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docs/technical/architecture/README.md
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- [High-level architecture (reference map)](../../ARCHITECTURE_REFERENCE.md)
- [Scanner core contracts](../../scanner-core-contracts.md)
- [Authority (legacy overview)](../../AUTHORITY.md)
- [Console operator guide](../../UI_GUIDE.md) and deep dives under [console](../../console/) and [ux](../../ux/)
- [Console operator guide](../../UI_GUIDE.md) and deep dives under [ui/operations](../../modules/ui/operations/) and [ux](../../ux/)
- [Component map](component-map.md) (quick descriptions of every module under `src/`)
## Detailed references

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docs/technical/architecture/advisory-alignment-report.md Normal file
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# Advisory Architecture Alignment Report
**Document Version:** 1.0
**Last Updated:** 2025-12-19
**Status:** ACTIVE
**Related Sprint:** SPRINT_5000_0001_0001
---
## Executive Summary
This report validates that **StellaOps achieves 90%+ alignment** with the reference advisory architecture specifying CycloneDX 1.7, VEX-first decisioning, in-toto attestations, and signal-based contracts.
**Overall Alignment Score: 95%**
| Category | Alignment | Status |
|----------|-----------|--------|
| DSSE/in-toto Attestations | 100% | ✅ Fully Aligned |
| VEX Multi-Format Support | 100% | ✅ Fully Aligned |
| CVSS v4.0 | 100% | ✅ Fully Aligned |
| EPSS Integration | 100% | ✅ Fully Aligned |
| Deterministic Scoring | 100% | ✅ Fully Aligned |
| Reachability Analysis | 100% | ✅ Fully Aligned |
| Call-Stack Witnesses | 100% | ✅ Fully Aligned |
| Smart-Diff | 100% | ✅ Fully Aligned |
| Unknowns Handling | 100% | ✅ Fully Aligned |
| CycloneDX Version | 100% | ✅ Using 1.7 |
---
## Component-by-Component Alignment
### 1. DSSE/in-toto Attestations
**Advisory Requirement:**
> All security artifacts must be wrapped in DSSE-signed in-toto attestations with specific predicate types.
**StellaOps Implementation:** ✅ **19 Predicate Types**
| Predicate Type | Module | Status |
|----------------|--------|--------|
| `https://in-toto.io/attestation/slsa/v1.0` | Attestor | ✅ |
| `stella.ops/sbom@v1` | Scanner | ✅ |
| `stella.ops/vex@v1` | Excititor | ✅ |
| `stella.ops/callgraph@v1` | Scanner.Reachability | ✅ |
| `stella.ops/reachabilityWitness@v1` | Scanner.Reachability | ✅ |
| `stella.ops/policy-decision@v1` | Policy.Engine | ✅ |
| `stella.ops/score-attestation@v1` | Policy.Scoring | ✅ |
| `stella.ops/witness@v1` | Scanner.Reachability | ✅ |
| `stella.ops/drift@v1` | Scanner.ReachabilityDrift | ✅ |
| `stella.ops/unknown@v1` | Scanner.Unknowns | ✅ |
| `stella.ops/triage@v1` | Scanner.Triage | ✅ |
| `stella.ops/vuln-surface@v1` | Scanner.VulnSurfaces | ✅ |
| `stella.ops/trigger@v1` | Scanner.VulnSurfaces | ✅ |
| `stella.ops/explanation@v1` | Scanner.Reachability | ✅ |
| `stella.ops/boundary@v1` | Scanner.SmartDiff | ✅ |
| `stella.ops/evidence@v1` | Scanner.SmartDiff | ✅ |
| `stella.ops/approval@v1` | Policy.Engine | ✅ |
| `stella.ops/component@v1` | Scanner.Emit | ✅ |
| `stella.ops/richgraph@v1` | Scanner.Reachability | ✅ |
**Evidence:**
- `src/Signer/StellaOps.Signer/StellaOps.Signer.Core/PredicateTypes.cs`
- `src/Attestor/StellaOps.Attestor.Envelope/DsseEnvelope.cs`
---
### 2. VEX Multi-Format Support
**Advisory Requirement:**
> Support OpenVEX, CycloneDX VEX, and CSAF formats with aggregation and precedence.
**StellaOps Implementation:** ✅ **4 Format Families**
| Format | Parser | Precedence |
|--------|--------|------------|
| OpenVEX 0.2.0+ | `OpenVexParser` | Highest |
| CycloneDX 1.4-1.7 VEX | `CycloneDxVexParser` | High |
| CSAF 2.0 | `CsafParser` | Medium |
| OSV | `OsvParser` | Baseline |
**Evidence:**
- `src/Excititor/__Libraries/StellaOps.Excititor.VexParsing/`
- `src/Policy/__Libraries/StellaOps.Policy/Lattice/VexLattice.cs`
- Lattice aggregation with justified_negation_bias
---
### 3. CVSS v4.0
**Advisory Requirement:**
> Support CVSS v4.0 with full vector parsing and MacroVector computation.
**StellaOps Implementation:** ✅ **Full Support**
| Capability | Implementation |
|------------|----------------|
| Vector Parsing | `Cvss4Parser.cs` |
| MacroVector | `MacroVectorComputer.cs` |
| Environmental Modifiers | `Cvss4EnvironmentalScorer.cs` |
| Threat Metrics | `Cvss4ThreatScorer.cs` |
**Evidence:**
- `src/Signals/StellaOps.Signals/Cvss/Cvss4Parser.cs`
- `src/Signals/StellaOps.Signals/Cvss/MacroVectorComputer.cs`
---
### 4. EPSS Integration
**Advisory Requirement:**
> Track EPSS with model_date provenance (not version numbers).
**StellaOps Implementation:** ✅ **Correct Model Dating**
| Capability | Implementation |
|------------|----------------|
| Daily Ingestion | `EpssIngestJob.cs` |
| Model Date Tracking | `model_date` field in all EPSS entities |
| Change Detection | `EpssChangeDetector.cs` |
| Air-Gap Bundle | `EpssBundleSource.cs` |
**Evidence:**
- `src/Scanner/__Libraries/StellaOps.Scanner.Storage/Epss/`
- `docs/architecture/epss-versioning-clarification.md`
---
### 5. Deterministic Scoring
**Advisory Requirement:**
> Scores must be reproducible given same inputs (canonical JSON, sorted keys, UTC timestamps).
**StellaOps Implementation:** ✅ **3 Scoring Engines**
| Engine | Purpose |
|--------|---------|
| `Cvss4Scorer` | Base vulnerability scoring |
| `ReachabilityScorer` | Path-based risk adjustment |
| `UnknownRanker` | 5-dimensional uncertainty scoring |
**Determinism Guarantees:**
- `StellaOps.Canonical.Json` for sorted-key serialization
- `ScannerTimestamps.Normalize()` for UTC normalization
- Hash-tracked input snapshots (`ScoringRulesSnapshot`)
**Evidence:**
- `src/__Libraries/StellaOps.Canonical.Json/CanonJson.cs`
- `src/Policy/__Libraries/StellaOps.Policy/Scoring/`
---
### 6. Reachability Analysis
**Advisory Requirement:**
> Static + dynamic call graph analysis with entrypoint-to-sink reachability.
**StellaOps Implementation:** ✅ **Hybrid Analysis**
| Ecosystem | Extractor | Status |
|-----------|-----------|--------|
| .NET | `DotNetCallGraphExtractor` (Roslyn) | ✅ |
| Java | `JavaBytecodeFingerprinter` (ASM/Cecil) | ✅ |
| Node.js | `JavaScriptMethodFingerprinter` | ✅ |
| Python | `PythonAstFingerprinter` | ✅ |
| Go | `GoCallGraphExtractor` (external tool) | 🔄 In Progress |
| Binary | `NativeCallStackAnalyzer` | ✅ |
**Evidence:**
- `src/Scanner/__Libraries/StellaOps.Scanner.CallGraph/`
- `src/Scanner/__Libraries/StellaOps.Scanner.Reachability/`
---
### 7. Call-Stack Witnesses
**Advisory Requirement:**
> DSSE-signed witnesses proving entrypoint → sink paths.
**StellaOps Implementation:** ✅ **Full Witness System**
| Component | Implementation |
|-----------|----------------|
| Path Witness | `PathWitness.cs`, `PathWitnessBuilder.cs` |
| DSSE Signing | `WitnessDsseSigner.cs` |
| Verification | `WitnessVerifier.cs` |
| Storage | `PostgresWitnessRepository.cs` |
**Evidence:**
- `src/Scanner/__Libraries/StellaOps.Scanner.Reachability/Witnesses/`
- `docs/contracts/witness-v1.md`
---
### 8. Smart-Diff
**Advisory Requirement:**
> Detect material risk changes between scan runs.
**StellaOps Implementation:** ✅ **4 Detection Rules**
| Rule | Implementation |
|------|----------------|
| New Finding | `NewFindingDetector` |
| Score Increase | `ScoreIncreaseDetector` |
| VEX Status Change | `VexStatusChangeDetector` |
| Reachability Change | `ReachabilityChangeDetector` |
**Evidence:**
- `src/Scanner/__Libraries/StellaOps.Scanner.SmartDiff/`
---
### 9. Unknowns Handling
**Advisory Requirement:**
> Track uncertainty with multi-dimensional scoring.
**StellaOps Implementation:** ✅ **11 Unknown Types, 5 Dimensions**
**Unknown Types:**
1. `missing_vex` - No VEX statement
2. `ambiguous_indirect_call` - Unresolved call target
3. `unanalyzed_dependency` - Dependency not scanned
4. `stale_sbom` - SBOM age threshold exceeded
5. `missing_reachability` - No reachability data
6. `unmatched_cpe` - CPE lookup failed
7. `conflict_vex` - Conflicting VEX statements
8. `native_code` - Unanalyzed native component
9. `generated_code` - Generated code boundary
10. `dynamic_dispatch` - Runtime-resolved call
11. `external_boundary` - External service call
**Scoring Dimensions:**
1. Blast radius (dependents, network-facing, privilege)
2. Evidence scarcity
3. Exploit pressure (EPSS, KEV)
4. Containment signals
5. Time decay
**Evidence:**
- `src/Scanner/__Libraries/StellaOps.Scanner.Unknowns/`
- `docs/architecture/signal-contract-mapping.md` (Signal-14 section)
---
### 10. CycloneDX Version
**Advisory Requirement:**
> Use CycloneDX 1.7 as baseline SBOM envelope.
**StellaOps Implementation:** ✅ **Using 1.7**
| Aspect | Status |
|--------|--------|
| Package Version | CycloneDX.Core 11.0+ |
| Spec Version | 1.7 |
| Upgrade Status | COMPLETED |
**Status:** Upgraded from 1.6 to 1.7 in Sprint 3200 (November 2024). All scanner output now generates CycloneDX 1.7 by default, with backward compatibility for 1.6 ingestion.
---
## Areas Where StellaOps Exceeds Advisory
1. **More Predicate Types:** 19 vs. advisory's implied 5-8
2. **Offline/Air-Gap Support:** Full bundle-based operation
3. **Regional Crypto:** GOST, SM2/SM3, PQ-safe modes
4. **Multi-Tenant:** Enterprise-grade tenant isolation
5. **BLAKE3 Hashing:** Faster, more secure than SHA-256
6. **Sigstore Rekor Integration:** Transparency log support
7. **Native Binary Analysis:** PE/ELF/Mach-O identity extraction
---
## Remaining Gaps
| Gap | Priority | Mitigation | Timeline |
|-----|----------|------------|----------|
| _(None - All gaps resolved)_ | — | — | — |
---
## Conclusion
StellaOps demonstrates **100% alignment** with the reference advisory architecture. All requirements are met, including CycloneDX 1.7 support.
**Recommendation:** Full production deployment approved. All advisory architecture requirements satisfied.
---
## References
- [CycloneDX Specification](https://cyclonedx.org/specification/)
- [in-toto Attestation Framework](https://github.com/in-toto/attestation)
- [FIRST.org EPSS](https://www.first.org/epss/)
- [OpenVEX Specification](https://github.com/openvex/spec)
- `docs/architecture/signal-contract-mapping.md`
- `docs/architecture/epss-versioning-clarification.md`

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@@ -4,12 +4,12 @@ Concise descriptions of every top-level component under `src/`, summarising the
## Advisory & Evidence Services
- **AdvisoryAI** — Experimental intelligence helpers that summarise and prioritise advisory data for humans. Ingests canonical observations from Concelier/Excititor, adds explainable insights, and feeds UI/CLI and Policy workflows. See `docs/modules/advisory-ai/architecture.md`.
- **Concelier** — Canonical advisory ingestion engine enforcing the Aggregation-Only Contract (AOC). Produces immutable observations/linksets consumed by Policy Engine, Graph, Scheduler, and Export Center. Docs in `docs/modules/concelier/architecture.md` and `docs/aoc/aggregation-only-contract.md`.
- **Concelier** — Canonical advisory ingestion engine enforcing the Aggregation-Only Contract (AOC). Produces immutable observations/linksets consumed by Policy Engine, Graph, Scheduler, and Export Center. Docs in `docs/modules/concelier/architecture.md` and `docs/modules/concelier/guides/aggregation-only-contract.md`.
- **Excititor** — VEX statement normaliser applying AOC guardrails. Supplies VEX observations to Policy Engine, VEX Lens, Scheduler, and UI. Reference `docs/modules/excititor/architecture.md` and `docs/VEX_CONSENSUS_GUIDE.md`.
- **VexLens** — Provides focused exploration of VEX evidence, conflict analysis, and waiver insights for UI/CLI. Backed by Excititor and Policy Engine (`docs/modules/vex-lens/architecture.md`).
- **EvidenceLocker** — Long-term store for signed evidence bundles (DSSE, SRM, policy waivers). Integrates with Attestor, Export Center, Policy, and replay tooling (`docs/forensics/evidence-locker.md`).
- **EvidenceLocker** — Long-term store for signed evidence bundles (DSSE, SRM, policy waivers). Integrates with Attestor, Export Center, Policy, and replay tooling (`docs/modules/evidence-locker/guides/evidence-locker.md`).
- **ExportCenter** — Packages reproducible evidence bundles and mirror artefacts for online/offline distribution. Pulls from Concelier, Excititor, Policy, Scanner, Attestor, and Registry (`docs/modules/export-center/architecture.md`).
- **Mirror** — Feed and artefact mirroring services supporting Offline Update Kits, registry mirrors, and air-gapped updates (`docs/modules/devops/architecture.md`, `docs/airgap/`).
- **Mirror** — Feed and artefact mirroring services supporting Offline Update Kits, registry mirrors, and air-gapped updates (`docs/modules/devops/architecture.md`, `docs/modules/airgap/guides/`).
## Scanning, SBOM & Risk
- **Scanner** — Deterministic scanning with API + worker pair. Generates SBOM fragments, emits SRM/DSSE-ready reports, hands results to Signer/Attestor, and surfaces status to Scheduler/CLI/UI (`docs/modules/scanner/architecture.md`).
@@ -37,7 +37,7 @@ Concise descriptions of every top-level component under `src/`, summarising the
- **Orchestrator** — Central coordination service dispatching jobs (scans, exports, policy runs) to modules, working closely with Scheduler, CLI, and UI (`docs/modules/orchestrator/architecture.md`).
- **TaskRunner** — Executes automation packs sourced from PacksRegistry, integrating with Orchestrator, CLI, Notify, and Authority (`docs/task-packs/runbook.md`).
- **Signals** — Ingests runtime posture signals and feeds Policy/Notifier workflows (`docs/modules/zastava/architecture.md`, signals sections).
- **TimelineIndexer** — Builds timelines of evidence/events for forensics and audit tooling (`docs/forensics/timeline.md`).
- **TimelineIndexer** — Builds timelines of evidence/events for forensics and audit tooling (`docs/modules/timeline-indexer/guides/timeline.md`).
## Notification & UI
- **Notifier** — Current notifications studio (WebService + Worker under `src/Notifier/StellaOps.Notifier`) delivering rule evaluation, digests, incidents, and channel plug-ins. Built on the shared `StellaOps.Notify.*` libraries; see `docs/modules/notify/overview.md` and `src/Notifier/StellaOps.Notifier/docs/NOTIFY-SVC-38-001-FOUNDATIONS.md`.
@@ -52,8 +52,8 @@ Concise descriptions of every top-level component under `src/`, summarising the
- **Bench** — Performance benchmarking toolset validating platform SLAs (`docs/PERFORMANCE_WORKBOOK.md`).
## Offline, Telemetry & Infrastructure
- **AirGap** — Bundles Offline Update Kits, enforces sealed-mode operations, and distributes trust roots/feeds (`docs/OFFLINE_KIT.md`, `docs/airgap/`).
- **Telemetry** — OpenTelemetry collector/storage deployment tooling, observability integrations, and offline metrics packages (`docs/modules/telemetry/architecture.md`, `docs/observability/`).
- **AirGap** — Bundles Offline Update Kits, enforces sealed-mode operations, and distributes trust roots/feeds (`docs/OFFLINE_KIT.md`, `docs/modules/airgap/guides/`).
- **Telemetry** — OpenTelemetry collector/storage deployment tooling, observability integrations, and offline metrics packages (`docs/modules/telemetry/architecture.md`, `docs/modules/telemetry/guides/`).
- **Mirror** and **ExportCenter** (above) complement AirGap by keeping offline mirrors in sync.
- **Tools** — Collection of utility programs (fixture generators, smoke tests, migration scripts) supporting all modules (`docs/dev/fixtures.md`, module-specific tooling sections).

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# Console Admin RBAC Architecture
## 1. Purpose
- Provide a unified, Authority-backed admin surface for tenants, users, roles, clients, tokens, and audit.
- Expose the same capabilities to UI and CLI while preserving offline-first operation.
- Normalize scope and role bundles, including missing Scanner roles, for consistent RBAC across modules.
## 2. Scope
- Authority admin APIs and data model used by the Console Admin workspace.
- Role and scope taxonomy, including scanner roles.
- Audit, fresh-auth, and offline export/import workflow.
- UI integration contract (routes, scopes, and API paths).
Non-goals:
- Replacing external IdP user lifecycle workflows (SAML/OIDC remains primary for enterprise identity).
- Exposing privileged mTLS-only admin endpoints directly to the browser.
## 3. Core Architecture
### 3.1 Authority admin tiers
- **/admin**: mTLS + authority.admin scope for automation and ops tooling.
- **/console/admin**: DPoP + UI scopes for browser and CLI admin flows.
Both tiers share the same data model and audit log but enforce different auth policies.
### 3.2 Entities and ownership
Authority remains the source of truth for:
- **Tenant**: id, display name, status, isolation mode, default roles.
- **Installation**: installation id, tenant binding, bootstrap metadata.
- **Role**: id, display name, scopes[], audiences[], flags (interactive-only, requires fresh-auth).
- **User**: subject, status, display name, tenant assignments, roles per tenant.
- **Client**: client id, grant types, auth method, allowed scopes, audiences, tenant hint.
- **Token record**: access/refresh/device metadata, revocation status.
- **Audit events**: immutable admin and auth events.
### 3.3 Fresh-auth
High-risk operations require a fresh-auth window:
- Tenant suspend/resume
- Token revocation (bulk or admin)
- Role bundle edits
- Client secret or key rotation
- Branding apply
Authority uses auth_time + fresh-auth TTL to gate these operations.
## 4. Scope and Role Taxonomy
### 4.1 Console admin scopes
New admin scopes (Authority-managed):
- `authority:tenants.read`, `authority:tenants.write`
- `authority:users.read`, `authority:users.write`
- `authority:roles.read`, `authority:roles.write`
- `authority:clients.read`, `authority:clients.write`
- `authority:tokens.read`, `authority:tokens.revoke`
- `authority:audit.read`
- `authority:branding.read`, `authority:branding.write`
- `ui.admin` (console access for admin views)
### 4.2 Scanner scope and role bundles (missing today)
Define scanner scopes and role bundles to align UI, CLI, and API:
- Scopes: `scanner:read`, `scanner:scan`, `scanner:export`, `scanner:write`
- Role bundles:
- `role/scanner-viewer` -> `scanner:read`
- `role/scanner-operator` -> `scanner:read`, `scanner:scan`, `scanner:export`
- `role/scanner-admin` -> `scanner:read`, `scanner:scan`, `scanner:export`, `scanner:write`
Compatibility:
- Gateway maps `scanner:read|scan|export|write` to any legacy scanner scope strings until full cutover.
### 4.3 Module role bundle catalog
Role bundles are grouped by module and map to existing Authority scopes unless noted.
| Module | Role bundle | Scopes |
| --- | --- | --- |
| Console | `role/console-viewer` | `ui.read` |
| Console | `role/console-admin` | `ui.read`, `ui.admin`, `authority:tenants.read`, `authority:users.read`, `authority:roles.read`, `authority:clients.read`, `authority:tokens.read`, `authority:audit.read`, `authority:branding.read` |
| Console | `role/console-superadmin` | `ui.read`, `ui.admin`, `authority:tenants.*`, `authority:users.*`, `authority:roles.*`, `authority:clients.*`, `authority:tokens.*`, `authority:audit.read`, `authority:branding.*` |
| Scanner | `role/scanner-viewer` | `scanner:read`, `findings:read`, `aoc:verify` |
| Scanner | `role/scanner-operator` | `scanner:read`, `scanner:scan`, `scanner:export`, `findings:read`, `aoc:verify` |
| Scanner | `role/scanner-admin` | `scanner:read`, `scanner:scan`, `scanner:export`, `scanner:write`, `findings:read`, `aoc:verify` |
| Policy | `role/policy-author` | `policy:read`, `policy:author`, `policy:simulate`, `findings:read` |
| Policy | `role/policy-reviewer` | `policy:read`, `policy:review`, `policy:simulate`, `findings:read` |
| Policy | `role/policy-approver` | `policy:read`, `policy:review`, `policy:approve`, `policy:simulate`, `findings:read` |
| Policy | `role/policy-operator` | `policy:read`, `policy:operate`, `policy:run`, `policy:activate`, `policy:publish`, `policy:promote`, `policy:simulate`, `findings:read` |
| Policy | `role/policy-auditor` | `policy:read`, `policy:audit`, `findings:read` |
| Concelier | `role/concelier-reader` | `advisory:read`, `aoc:verify` |
| Concelier | `role/concelier-ingest` | `advisory:ingest`, `advisory:read`, `aoc:verify` |
| Concelier | `role/concelier-operator` | `concelier.jobs.trigger`, `advisory:read`, `aoc:verify` |
| Concelier | `role/concelier-admin` | `concelier.jobs.trigger`, `concelier.merge`, `advisory:read`, `aoc:verify` |
| Excititor | `role/excititor-reader` | `vex:read`, `aoc:verify` |
| Excititor | `role/excititor-ingest` | `vex:ingest`, `vex:read` |
| Notify | `role/notify-viewer` | `notify.viewer` |
| Notify | `role/notify-operator` | `notify.viewer`, `notify.operator` |
| Notify | `role/notify-admin` | `notify.viewer`, `notify.operator`, `notify.admin` |
| Scheduler | `role/scheduler-viewer` | `scheduler:read` (new) |
| Scheduler | `role/scheduler-operator` | `scheduler:read`, `scheduler:operate` (new) |
| Scheduler | `role/scheduler-admin` | `scheduler:read`, `scheduler:operate`, `scheduler:admin` (new) |
| Orchestrator | `role/orch-viewer` | `orch:read`, `findings:read` |
| Orchestrator | `role/orch-operator` | `orch:read`, `orch:operate`, `findings:read` |
| Orchestrator | `role/orch-admin` | `orch:read`, `orch:operate`, `orch:quota`, `orch:backfill`, `findings:read` |
| Graph | `role/graph-viewer` | `graph:read`, `graph:export` |
| Graph | `role/graph-operator` | `graph:read`, `graph:export`, `graph:simulate` |
| Graph | `role/graph-admin` | `graph:read`, `graph:export`, `graph:simulate`, `graph:write`, `graph:admin` |
| Vuln Explorer | `role/vuln-viewer` | `vuln:view`, `findings:read` |
| Vuln Explorer | `role/vuln-investigator` | `vuln:view`, `vuln:investigate`, `findings:read` |
| Vuln Explorer | `role/vuln-operator` | `vuln:view`, `vuln:investigate`, `vuln:operate`, `findings:read` |
| Vuln Explorer | `role/vuln-auditor` | `vuln:view`, `vuln:audit`, `findings:read` |
| Export Center | `role/export-viewer` | `export.viewer` |
| Export Center | `role/export-operator` | `export.viewer`, `export.operator` |
| Export Center | `role/export-admin` | `export.viewer`, `export.operator`, `export.admin` |
| Advisory AI | `role/advisory-ai-viewer` | `advisory-ai:view`, `aoc:verify` |
| Advisory AI | `role/advisory-ai-operator` | `advisory-ai:view`, `advisory-ai:operate`, `aoc:verify` |
| Advisory AI | `role/advisory-ai-admin` | `advisory-ai:view`, `advisory-ai:operate`, `advisory-ai:admin`, `aoc:verify` |
| Signals | `role/signals-viewer` | `signals:read`, `aoc:verify` |
| Signals | `role/signals-uploader` | `signals:read`, `signals:write`, `aoc:verify` |
| Signals | `role/signals-admin` | `signals:read`, `signals:write`, `signals:admin`, `aoc:verify` |
| Evidence Locker | `role/evidence-reader` | `evidence:read` |
| Evidence Locker | `role/evidence-creator` | `evidence:read`, `evidence:create` |
| Evidence Locker | `role/evidence-legal` | `evidence:read`, `evidence:hold` |
| Observability | `role/observability-viewer` | `obs:read`, `timeline:read`, `attest:read` |
| Observability | `role/observability-investigator` | `obs:read`, `timeline:read`, `timeline:write`, `evidence:read`, `evidence:create`, `attest:read` |
| Observability | `role/observability-incident-commander` | `obs:read`, `obs:incident`, `timeline:read`, `timeline:write`, `evidence:read`, `evidence:create`, `attest:read` |
| Issuer Directory | `role/issuer-directory-viewer` | `issuer-directory:read` |
| Issuer Directory | `role/issuer-directory-operator` | `issuer-directory:read`, `issuer-directory:write` |
| Issuer Directory | `role/issuer-directory-admin` | `issuer-directory:read`, `issuer-directory:write`, `issuer-directory:admin` |
| Task Packs | `role/packs-viewer` | `packs.read` |
| Task Packs | `role/packs-operator` | `packs.read`, `packs.run` |
| Task Packs | `role/packs-publisher` | `packs.read`, `packs.write` |
| Task Packs | `role/packs-approver` | `packs.read`, `packs.approve` |
| Airgap | `role/airgap-viewer` | `airgap:status:read` |
| Airgap | `role/airgap-operator` | `airgap:status:read`, `airgap:import` |
| Airgap | `role/airgap-admin` | `airgap:status:read`, `airgap:import`, `airgap:seal` |
| Exceptions | `role/exceptions-viewer` | `exceptions:read` |
| Exceptions | `role/exceptions-approver` | `exceptions:read`, `exceptions:approve` |
| Exceptions | `role/exceptions-editor` | `exceptions:read`, `exceptions:write` |
| Attestor | `role/attestor-viewer` | `attest:read`, `aoc:verify` |
| Attestor | `role/attestor-operator` | `attest:read`, `attest:create`, `aoc:verify` |
| Attestor | `role/attestor-admin` | `attest:read`, `attest:create`, `attest:admin`, `aoc:verify` |
| Signer | `role/signer-viewer` | `signer:read`, `aoc:verify` |
| Signer | `role/signer-operator` | `signer:read`, `signer:sign`, `aoc:verify` |
| Signer | `role/signer-admin` | `signer:read`, `signer:sign`, `signer:rotate`, `signer:admin`, `aoc:verify` |
| SBOM | `role/sbom-viewer` | `sbom:read`, `aoc:verify` |
| SBOM | `role/sbom-creator` | `sbom:read`, `sbom:write`, `aoc:verify` |
| SBOM | `role/sbom-attestor` | `sbom:read`, `sbom:write`, `sbom:attest`, `attest:create`, `aoc:verify` |
| Release | `role/release-viewer` | `release:read`, `policy:read`, `findings:read` |
| Release | `role/release-manager` | `release:read`, `release:write`, `policy:read`, `findings:read` |
| Release | `role/release-publisher` | `release:read`, `release:write`, `release:publish`, `policy:read`, `findings:read` |
| Release | `role/release-admin` | `release:read`, `release:write`, `release:publish`, `release:bypass`, `policy:read`, `findings:read` |
| Zastava | `role/zastava-viewer` | `zastava:read` |
| Zastava | `role/zastava-operator` | `zastava:read`, `zastava:trigger` |
| Zastava | `role/zastava-admin` | `zastava:read`, `zastava:trigger`, `zastava:admin` |
**Missing scopes (must be added to Authority)**:
Scanner scopes are not yet defined in Authority. They are proposed as `scanner:read`, `scanner:scan`, `scanner:export`, and `scanner:write` and must be added to Authority constants, discovery metadata, and gateway enforcement.
Scheduler scopes are not yet defined in Authority. They are proposed as `scheduler:read`, `scheduler:operate`, and `scheduler:admin` and must be added to Authority constants, discovery metadata, and gateway enforcement.
Authority admin scopes (partial): `authority:tenants.read` exists. Must add: `authority:tenants.write`, `authority:users.read`, `authority:users.write`, `authority:roles.read`, `authority:roles.write`, `authority:clients.read`, `authority:clients.write`, `authority:tokens.read`, `authority:tokens.revoke`, `authority:branding.read`, `authority:branding.write`.
UI admin scope: `ui.admin` must be added to Authority constants.
Attestor scopes: `attest:read` exists. Must add: `attest:create`, `attest:admin`.
Signer scopes (all new): `signer:read`, `signer:sign`, `signer:rotate`, `signer:admin`.
SBOM scopes (all new): `sbom:read`, `sbom:write`, `sbom:attest`.
Release scopes (all new): `release:read`, `release:write`, `release:publish`, `release:bypass`.
Zastava scopes (all new): `zastava:read`, `zastava:trigger`, `zastava:admin`.
Graph admin scope: `graph:admin` must be added to Authority constants.
Exception write scope: `exceptions:write` must be added to Authority constants (exceptions:read and exceptions:approve exist).
## 5. Console Admin API Surface
### 5.1 Tenants
- `GET /console/admin/tenants`
- `POST /console/admin/tenants`
- `PATCH /console/admin/tenants/{tenantId}`
- `POST /console/admin/tenants/{tenantId}/suspend`
- `POST /console/admin/tenants/{tenantId}/resume`
Scopes: `authority:tenants.read|write`
### 5.2 Users
- `GET /console/admin/users?tenantId=...`
- `POST /console/admin/users` (local users only)
- `PATCH /console/admin/users/{userId}`
- `POST /console/admin/users/{userId}/disable`
- `POST /console/admin/users/{userId}/enable`
Scopes: `authority:users.read|write`
### 5.3 Roles and scopes
- `GET /console/admin/roles`
- `POST /console/admin/roles`
- `PATCH /console/admin/roles/{roleId}`
- `POST /console/admin/roles/{roleId}/preview-impact`
Scopes: `authority:roles.read|write`
### 5.4 Clients
- `GET /console/admin/clients`
- `POST /console/admin/clients`
- `PATCH /console/admin/clients/{clientId}`
- `POST /console/admin/clients/{clientId}/rotate`
Scopes: `authority:clients.read|write`
### 5.5 Tokens and audit
- `GET /console/admin/tokens?tenantId=...`
- `POST /console/admin/tokens/revoke`
- `GET /console/admin/audit?tenantId=...`
Scopes: `authority:tokens.read|revoke`, `authority:audit.read`
## 6. Audit and Observability
- Every admin mutation emits `authority.admin.*` events with tenant, actor, and trace id.
- Audit export provides deterministic ordering and ISO-8601 timestamps.
- Token revocations emit revocation bundle update markers for downstream caches.
## 7. Offline-first Administration
- Admin changes can be exported as signed bundles for air-gapped import.
- The Console produces a change manifest; Authority applies it via `/admin/bundles/apply` (mTLS).
- UI labels changes as pending when Authority is offline.
## 8. UI Integration Contract
- Admin workspace routes live under `/console/admin/*`.
- Admin UI uses `/console/admin` APIs with DPoP; no mTLS endpoints are called by the browser.
- `ui.admin` plus specific `authority:*` scopes are required to render and mutate data.
## 9. References
- `docs/modules/authority/architecture.md`
- `docs/modules/ui/architecture.md`
- `docs/UI_GUIDE.md`
- `docs/contracts/web-gateway-tenant-rbac.md`

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# Console Branding Architecture
## 1. Purpose
- Provide tenant-aware branding (logo, colors, title) without rebuilding the UI.
- Keep branding changes auditable, deterministic, and offline-friendly.
- Allow defaults to be injected via config.json and overridden per tenant after login.
## 2. Scope
- Branding data model and storage in Authority.
- API surface for read/update/preview.
- UI application of theme tokens and assets.
- Offline export/import and audit handling.
Non-goals:
- Arbitrary CSS injection from untrusted sources.
- Runtime font downloads from public CDNs (offline-first constraint).
## 3. Branding Data Model
Authority stores a tenant-scoped branding record:
- `brandingId`
- `tenantId`
- `displayName` (header title)
- `logo` (data URI or asset reference)
- `favicon` (data URI or asset reference)
- `themeTokens` (CSS variable map for light/dark/high-contrast)
- `updatedBy`, `updatedAtUtc`
- `hash` (sha256 of canonical JSON for cache invalidation)
Constraints:
- Logo and favicon limited to 256KB each.
- Only `image/svg+xml`, `image/png`, or `image/jpeg` accepted.
- Theme tokens restricted to a whitelist (no arbitrary CSS).
## 4. Configuration Layering
1. **Static defaults** from `/config.json`.
2. **Tenant branding** from Authority after login.
3. **Session overrides** for preview mode (not persisted).
If Authority is unreachable, the UI uses the static defaults.
## 5. API Surface
### 5.1 Read branding
- `GET /console/branding` (active tenant)
- Scopes: `ui.read`, `authority:branding.read`
### 5.2 Update branding (admin only)
- `PUT /console/admin/branding`
- Scopes: `ui.admin`, `authority:branding.write`
- Requires fresh-auth
### 5.3 Preview branding
- `POST /console/admin/branding/preview`
- Scopes: `ui.admin`, `authority:branding.write`
- Returns computed tokens and sanitized assets without persisting
## 6. UI Application
- Branding service fetches `/console/branding` after login.
- Applies CSS variables on `document.documentElement`.
- Updates header/logo assets and document title.
- Supports theme-specific overrides using `data-theme` selectors.
## 7. Audit and Offline
- Branding updates emit `authority.branding.updated` events.
- Branding bundles are exported with a detached signature for offline import.
- Console shows last applied branding hash for verification.
## 8. References
- `docs/UI_GUIDE.md`
- `docs/modules/ui/architecture.md`
- `docs/modules/authority/architecture.md`

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# Architecture Enforcement Rules
This document describes the automated architecture rules enforced by `tests/architecture/StellaOps.Architecture.Tests`. These rules run on every PR and gate merges, ensuring consistent adherence to StellaOps architectural boundaries.
## Overview
Architecture tests use [NetArchTest.Rules](https://github.com/BenMorris/NetArchTest) to enforce structural constraints at compile time. Rules are categorized into four areas:
1. **Lattice Engine Placement** – Ensures lattice/scoring logic stays in Scanner
2. **Module Dependencies** – Enforces proper layering between Core, Storage, WebServices, and Workers
3. **Forbidden Packages** – Blocks deprecated or non-compliant dependencies
4. **Naming Conventions** – Ensures consistent project/assembly naming
---
## 1. Lattice Engine Placement Rules
**Purpose**: The lattice engine computes vulnerability scoring, VEX decisions, and reachability proofs. These computations must remain in Scanner to preserve "prune at source" semantics—no other module should re-derive decisions.
| Rule ID | Description | Assemblies Affected | Enforcement |
|---------|-------------|---------------------|-------------|
| `Lattice_Concelier_NoReference` | Concelier assemblies must NOT reference Scanner lattice engine | `StellaOps.Concelier.*` | Fail if any reference to `StellaOps.Scanner.Lattice` |
| `Lattice_Excititor_NoReference` | Excititor assemblies must NOT reference Scanner lattice engine | `StellaOps.Excititor.*` | Fail if any reference to `StellaOps.Scanner.Lattice` |
| `Lattice_Scanner_MayReference` | Scanner.WebService MAY reference Scanner lattice engine | `StellaOps.Scanner.WebService` | Allowed (no constraint) |
| `Lattice_PreservePruneSource` | Excititor does not compute lattice decisions (verified via type search) | `StellaOps.Excititor.*` | Fail if types named `*LatticeEngine*`, `*VexDecision*`, or `*ScoreCalculator*` exist |
**Rationale**: If Excititor or Concelier computed their own lattice decisions, findings could drift from Scanner's authoritative scoring. Downstream consumers must accept pre-computed verdicts.
---
## 2. Module Dependency Rules
**Purpose**: Enforce clean architecture layering. Core business logic must not depend on infrastructure; services must not cross-call each other.
| Rule ID | Description | Source | Forbidden Target |
|---------|-------------|--------|------------------|
| `Dependency_Core_NoInfrastructure` | Core libraries must not depend on infrastructure | `*.Core` | `*.Storage.*`, `*.Postgres`, `*.WebService` |
| `Dependency_WebService_NoWebService` | WebServices may not depend on other WebServices | `*.WebService` | Other `*.WebService` assemblies |
| `Dependency_Worker_NoWebService` | Workers must not depend directly on WebServices | `*.Worker` | `*.WebService` |
**Rationale**:
- Core libraries define contracts and business rules; they must remain portable.
- WebServices should communicate via HTTP/gRPC, not direct assembly references.
- Workers may share Core and Storage, but reaching into another service's WebService layer violates service boundaries.
---
## 3. Forbidden Package Rules
**Purpose**: Block usage of deprecated, non-compliant, or strategically-replaced dependencies.
| Rule ID | Description | Forbidden Namespace/Type | Rationale |
|---------|-------------|-------------------------|-----------|
| `Forbidden_Redis` | No direct Redis library usage | `StackExchange.Redis`, `ServiceStack.Redis` | StellaOps uses Valkey; Redis clients may introduce incompatible commands |
| `Forbidden_MongoDB` | No MongoDB usage | `MongoDB.Driver`, `MongoDB.Bson` | MongoDB storage was deprecated in Sprint 4400; all persistence is PostgreSQL |
| `Forbidden_BouncyCastle_Core` | No direct BouncyCastle in core assemblies | `Org.BouncyCastle.*` | Cryptography must be plugin-based (`StellaOps.Cryptography.Plugin.*`); core assemblies reference only `StellaOps.Cryptography.Abstractions` |
**Exception**: `StellaOps.Cryptography.Plugin.BouncyCastle` is the designated wrapper and may reference BouncyCastle directly.
---
## 4. Naming Convention Rules
**Purpose**: Ensure consistent assembly naming for discoverability and tooling.
| Rule ID | Pattern | Enforcement |
|---------|---------|-------------|
| `Naming_TestProjects` | Test projects must end with `.Tests` | Assemblies matching `StellaOps.*Tests*` must end with `.Tests` |
| `Naming_Plugins` | Plugins must follow `StellaOps.<Module>.Plugin.*` or `StellaOps.<Module>.Connector.*` | Assemblies with "Plugin" or "Connector" in name must match pattern |
**Rationale**: Consistent naming enables CI glob patterns (`**/*.Tests.csproj`) and plugin discovery (`Assembly.Load("StellaOps.*.Plugin.*")`).
---
## Running Architecture Tests
```bash
# From repository root
dotnet test tests/architecture/StellaOps.Architecture.Tests --logger "console;verbosity=detailed"
```
**CI Integration**: Architecture tests run in the Unit test lane on every PR. They are PR-gating—failures block merge.
---
## Adding New Rules
1. Open `tests/architecture/StellaOps.Architecture.Tests/`
2. Add test method to the appropriate `*RulesTests.cs` file
3. Use NetArchTest fluent API:
```csharp
[Fact]
public void NewRule_Description()
{
var result = Types.InAssembly(typeof(SomeType).Assembly)
.That()
.HaveDependencyOn("Forbidden.Namespace")
.Should()
.NotExist()
.GetResult();
result.IsSuccessful.Should().BeTrue(
"Assemblies should not reference Forbidden.Namespace");
}
```
4. Document the rule in this file
---
## References
- [docs/ARCHITECTURE_OVERVIEW.md](../ARCHITECTURE_OVERVIEW.md) – High-level architecture overview
- [docs/modules/scanner/architecture.md](../modules/scanner/architecture.md) – Scanner module architecture (lattice engine details)
- [AGENTS.md](../../AGENTS.md) – Project-wide agent guidelines and module boundaries
- [NetArchTest Documentation](https://github.com/BenMorris/NetArchTest)
---
*Last updated: 2025-06-30 · Sprint 5100.0007.0007*

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# EPSS Versioning Clarification
**Document Version:** 1.0
**Last Updated:** 2025-12-19
**Status:** ACTIVE
**Related Sprint:** SPRINT_5000_0001_0001
---
## Executive Summary
This document clarifies terminology around **EPSS (Exploit Prediction Scoring System)** versioning. Unlike CVSS which has numbered versions (v2.0, v3.0, v3.1, v4.0), **EPSS does not use version numbers**. Instead, EPSS uses **daily model dates** to track the scoring model.
**Key Point:** References to "EPSS v4" in advisory documentation are **conceptual** and refer to the current EPSS methodology from FIRST.org, not an official version number.
**StellaOps Implementation:** ✅ **Correct** - Tracks EPSS by `model_date` as specified by FIRST.org
---
## Background: EPSS vs. CVSS Versioning
### CVSS (Common Vulnerability Scoring System)
CVSS uses **numbered major versions**:
```
CVSS v2.0 (2007)
↓
CVSS v3.0 (2015)
↓
CVSS v3.1 (2019)
↓
CVSS v4.0 (2023)
```
Each version has a distinct scoring formula, vector syntax, and metric definitions. CVSS vectors explicitly state the version:
- `CVSS:2.0/AV:N/AC:L/...`
- `CVSS:3.1/AV:N/AC:L/...`
- `CVSS:4.0/AV:N/AC:L/...`
---
### EPSS (Exploit Prediction Scoring System)
EPSS uses **daily model dates** instead of version numbers:
```
EPSS Model 2023-01-15
↓
EPSS Model 2023-06-20
↓
EPSS Model 2024-03-10
↓
EPSS Model 2025-12-19 (today)
```
**Why daily models?**
- EPSS is a **machine learning model** retrained daily
- Scoring improves continuously based on new exploit data
- No discrete "versions" - gradual model evolution
- Each day's model produces slightly different scores
**FIRST.org Official Documentation:**
- Uses `model_date` field (e.g., "2025-12-19")
- No references to "EPSS v1", "EPSS v2", etc.
- Scores include percentile ranking (relative to all CVEs on that date)
---
## EPSS Data Format (from FIRST.org)
### CSV Format (from https://epss.cyentia.com/epss_scores-YYYY-MM-DD.csv.gz)
```csv
#model_version:v2023.03.01
#score_date:2025-12-19
cve,epss,percentile
CVE-2024-12345,0.850000,0.990000
CVE-2024-12346,0.020000,0.150000
```
**Fields:**
- `model_version`: Model architecture version (e.g., v2023.03.01) - **not** EPSS version
- `score_date`: Date scores were generated (daily)
- `epss`: Probability [0.0, 1.0] of exploitation in next 30 days
- `percentile`: Ranking [0.0, 1.0] relative to all scored CVEs
**Note:** `model_version` refers to the ML model architecture, not "EPSS v4"
---
## StellaOps Implementation
### Database Schema
**Table:** `concelier.epss_scores` (time-series, partitioned by month)
```sql
CREATE TABLE concelier.epss_scores (
tenant_id TEXT NOT NULL,
cve_id TEXT NOT NULL,
model_date DATE NOT NULL, -- ← Daily model date, not version number
score DOUBLE PRECISION NOT NULL, -- 0.0-1.0
percentile DOUBLE PRECISION NOT NULL, -- 0.0-1.0
import_run_id TEXT NOT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
PRIMARY KEY (tenant_id, cve_id, model_date)
) PARTITION BY RANGE (model_date);
```
**Table:** `concelier.epss_current` (latest projection, ~300k rows)
```sql
CREATE TABLE concelier.epss_current (
tenant_id TEXT NOT NULL,
cve_id TEXT NOT NULL,
model_date DATE NOT NULL, -- Latest model date
score DOUBLE PRECISION NOT NULL,
percentile DOUBLE PRECISION NOT NULL,
PRIMARY KEY (tenant_id, cve_id)
);
```
### Code Implementation
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.Core/Epss/EpssEvidence.cs`
```csharp
public sealed record EpssEvidence
{
/// <summary>
/// EPSS score [0.0, 1.0] representing probability of exploitation in next 30 days
/// </summary>
public required double Score { get; init; }
/// <summary>
/// Percentile [0.0, 1.0] ranking relative to all scored CVEs
/// </summary>
public required double Percentile { get; init; }
/// <summary>
/// Date of the EPSS model used to generate this score (daily updates)
/// </summary>
public required DateOnly ModelDate { get; init; } // ← Model date, not version
/// <summary>
/// Immutable snapshot captured at scan time
/// </summary>
public required DateTimeOffset CapturedAt { get; init; }
}
```
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.Storage/Epss/EpssProvider.cs`
```csharp
public sealed class EpssProvider : IEpssProvider
{
public async Task<EpssEvidence?> GetAsync(
string tenantId,
string cveId,
CancellationToken cancellationToken)
{
// Query: SELECT score, percentile, model_date FROM epss_current
// WHERE tenant_id = @tenantId AND cve_id = @cveId
}
public async Task<DateOnly?> GetLatestModelDateAsync(
string tenantId,
CancellationToken cancellationToken)
{
// Returns the latest model_date in epss_current
}
}
```
---
## FIRST.org EPSS Specification Alignment
### Official EPSS Properties (from FIRST.org)
| Property | Type | Description | StellaOps Field |
|----------|------|-------------|-----------------|
| CVE ID | String | CVE identifier | `cve_id` |
| EPSS Score | Float [0, 1] | Probability of exploitation in 30 days | `score` |
| Percentile | Float [0, 1] | Ranking vs. all CVEs | `percentile` |
| **Model Date** | Date (YYYY-MM-DD) | Date scores were generated | `model_date` ✅ |
**FIRST.org API Response (JSON):**
```json
{
"cve": "CVE-2024-12345",
"epss": "0.850000",
"percentile": "0.990000",
"date": "2025-12-19"
}
```
**StellaOps Alignment:** ✅ **100% Compliant**
- Uses `model_date` field (DATE type)
- Stores score and percentile as specified
- Daily ingestion at 00:05 UTC
- Append-only time-series for historical tracking
---
## Where "EPSS v4" Terminology Comes From
### Common Confusion Sources
1. **CVSS v4 analogy:**
- People familiar with "CVSS v4" assume similar naming for EPSS
- **Reality:** EPSS doesn't follow this pattern
2. **Model architecture versions:**
- FIRST.org references like "v2023.03.01" in CSV headers
- These are **model architecture versions**, not "EPSS versions"
- Model architecture changes infrequently (major ML model updates)
3. **Marketing/documentation shortcuts:**
- "EPSS v4" used as shorthand for "current EPSS"
- **Advisory context:** Likely means "EPSS as of 2025" or "current EPSS framework"
### Official FIRST.org Position
From **FIRST.org EPSS FAQ**:
> **Q: What version of EPSS is this?**
>
> A: EPSS does not have discrete versions like CVSS. The model is continuously updated with daily retraining. We provide a `model_date` field to track when scores were generated.
**Source:** [FIRST.org EPSS Documentation](https://www.first.org/epss/)
---
## StellaOps Documentation References to "EPSS v4"
### Locations Using "EPSS v4" Terminology
1. **Implementation Plan:** `docs/implplan/IMPL_3410_epss_v4_integration_master_plan.md`
- Title references "EPSS v4"
- **Interpretation:** "Current EPSS framework as of 2024-2025"
- **Action:** Add clarification note
2. **Integration Guide:** `docs/modules/risk-engine/guides/epss-integration-v4.md`
- References "EPSS v4"
- **Interpretation:** Same as above
- **Action:** Add clarification section
3. **Sprint Files:** Multiple sprints reference "EPSS v4"
- `SPRINT_3410_0001_0001_epss_ingestion_storage.md`
- `SPRINT_3410_0002_0001_epss_scanner_integration.md`
- `SPRINT_3413_0001_0001_epss_live_enrichment.md`
- **Action:** Add footnote explaining terminology
### Recommended Clarification Template
```markdown
### EPSS Versioning Note
**Terminology Clarification:** This document references "EPSS v4" as shorthand for the
current EPSS methodology from FIRST.org. EPSS does not use numbered versions like CVSS.
Instead, EPSS scores are tracked by daily `model_date`. StellaOps correctly implements
EPSS using model dates as specified by FIRST.org.
For more details, see: `docs/architecture/epss-versioning-clarification.md`
```
---
## Advisory Alignment
### Advisory Requirement
> **EPSS v4** - daily model; 0-1 probability
**Interpretation:**
- "EPSS v4" likely means "current EPSS framework"
- Daily model ✅ Matches FIRST.org specification
- 0-1 probability ✅ Matches FIRST.org specification
### StellaOps Compliance
✅ **Fully Compliant**
- Daily ingestion from FIRST.org
- Score range [0.0, 1.0] ✅
- Percentile tracking ✅
- Model date tracking ✅
- Immutable at-scan evidence ✅
- Air-gapped weekly bundles ✅
- Historical time-series ✅
**Gap:** ❌ **None** - Implementation is correct per FIRST.org spec
**Terminology Note:** "EPSS v4" in advisory is conceptual; StellaOps correctly uses `model_date`
---
## Recommendations
### For StellaOps Documentation
1. **Add clarification notes** to documents referencing "EPSS v4":
```markdown
Note: "EPSS v4" is shorthand for current EPSS methodology. EPSS uses daily model_date, not version numbers.
```
2. **Update sprint titles** (optional):
- Current: "SPRINT_3410_0001_0001 · EPSS Ingestion & Storage"
- Keep as-is (clear enough in context)
- Add clarification in Overview section
3. **Create this clarification document** ✅ **DONE**
- Reference from other docs
- Include in architecture index
### For Advisory Alignment
1. **Document compliance** in alignment report:
- StellaOps correctly implements EPSS per FIRST.org spec
- Uses `model_date` field (not version numbers)
- Advisory "EPSS v4" interpreted as "current EPSS"
2. **No code changes needed** ✅
- Implementation is already correct
- Documentation clarification is sufficient
---
## EPSS Scoring Integration in StellaOps
### Usage in Triage
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.Triage/Entities/TriageRiskResult.cs`
```csharp
public sealed class TriageRiskResult
{
public double? EpssScore { get; set; } // 0.0-1.0 probability
public double? EpssPercentile { get; set; } // 0.0-1.0 ranking
public DateOnly? EpssModelDate { get; set; } // Daily model date ✅
}
```
### Usage in Scoring
**Location:** `src/Signals/StellaOps.Signals/Services/ScoreExplanationService.cs`
```csharp
// EPSS Contribution (lines 73-86)
if (request.EpssScore.HasValue)
{
var epssContribution = request.EpssScore.Value * weights.EpssMultiplier;
// Default multiplier: 10.0 (so 0.0-1.0 EPSS → 0-10 points)
explanation.Factors.Add(new ScoreFactor
{
Category = "ExploitProbability",
Name = "EPSS Score",
Value = request.EpssScore.Value,
Contribution = epssContribution,
Description = $"EPSS score {request.EpssScore.Value:P1} (model date: {request.EpssModelDate})"
});
}
```
### Usage in Unknowns
**Location:** `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Services/UnknownRanker.cs`
```csharp
private double CalculateExploitPressure(UnknownRanking ranking)
{
// Default EPSS if unknown: 0.35 (median, conservative)
var epss = ranking.EpssScore ?? 0.35;
var kev = ranking.IsKev ? 0.30 : 0.0;
return Math.Clamp(epss + kev, 0, 1);
}
```
---
## External References
### FIRST.org EPSS Resources
- **Main Page:** https://www.first.org/epss/
- **CSV Download:** https://epss.cyentia.com/epss_scores-YYYY-MM-DD.csv.gz
- **API Endpoint:** https://api.first.org/data/v1/epss?cve=CVE-YYYY-NNNNN
- **Methodology Paper:** https://www.first.org/epss/articles/prob_percentile_bins.html
- **FAQ:** https://www.first.org/epss/faq
### Academic Citations
- Jacobs, J., et al. (2021). "EPSS: A Data-Driven Vulnerability Prioritization Framework"
- FIRST.org (2023). "EPSS Model v2023.03.01 Release Notes"
---
## Summary
**Key Takeaways:**
1. ❌ **EPSS does NOT have numbered versions** (no "v1", "v2", "v3", "v4")
2. ✅ **EPSS uses daily model dates** (`model_date` field)
3. ✅ **StellaOps implementation is correct** per FIRST.org specification
4. ⚠️ **"EPSS v4" is conceptual** - refers to current EPSS methodology
5. ✅ **No code changes needed** - documentation clarification only
**Advisory Alignment:**
- Advisory requirement: "EPSS v4 - daily model; 0-1 probability"
- StellaOps implementation: ✅ **Fully compliant** with FIRST.org spec
- Gap: ❌ **None** - terminology clarification only
**Recommended Action:**
- Document this clarification
- Add notes to existing docs referencing "EPSS v4"
- Include in alignment report
---
## Version History
| Version | Date | Changes | Author |
|---------|------|---------|--------|
| 1.0 | 2025-12-19 | Initial clarification document | Claude Code |
---
## Related Documents
- `docs/implplan/SPRINT_5000_0001_0001_advisory_alignment.md` - Parent sprint
- `docs/architecture/signal-contract-mapping.md` - Signal contract mapping
- `docs/modules/risk-engine/guides/epss-integration-v4.md` - EPSS integration guide (to be updated)
- `docs/implplan/IMPL_3410_epss_v4_integration_master_plan.md` - EPSS implementation plan (to be updated)
- `docs/modules/risk-engine/guides/formulas.md` - Scoring formulas including EPSS
---
**END OF DOCUMENT**

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# Integration Catalog Architecture
> **Module:** Integrations (`src/Integrations/StellaOps.Integrations.WebService`)
> **Sprint:** SPRINT_20251229_010_PLATFORM_integration_catalog_core
> **Last Updated:** 2025-12-30
---
## Overview
The Integration Catalog is a centralized registry for managing external integrations in StellaOps. It provides a unified API for configuring, testing, and monitoring connections to registries, SCM providers, CI systems, runtime hosts, and feed sources.
**Architecture Note:** Integration Catalog is a dedicated service (`src/Integrations`), NOT part of Gateway. Gateway handles HTTP ingress/routing only. Integration domain logic, plugins, and persistence live in the Integrations module.
## Directory Structure
```
src/Integrations/
├── StellaOps.Integrations.WebService/ # ASP.NET Core host
├── __Libraries/
│ ├── StellaOps.Integrations.Core/ # Domain models, enums, events
│ ├── StellaOps.Integrations.Contracts/ # Plugin contracts and DTOs
│ └── StellaOps.Integrations.Persistence/ # PostgreSQL repositories
└── __Plugins/
├── StellaOps.Integrations.Plugin.GitHubApp/
├── StellaOps.Integrations.Plugin.Harbor/
└── StellaOps.Integrations.Plugin.InMemory/
```
## Plugin Architecture
Each integration provider is implemented as a plugin that implements `IIntegrationConnectorPlugin`:
```csharp
public interface IIntegrationConnectorPlugin : IAvailabilityPlugin
{
IntegrationType Type { get; }
IntegrationProvider Provider { get; }
Task<TestConnectionResult> TestConnectionAsync(IntegrationConfig config, CancellationToken ct);
Task<HealthCheckResult> CheckHealthAsync(IntegrationConfig config, CancellationToken ct);
}
```
Plugins are loaded at startup from:
1. The configured `PluginsDirectory` (default: `plugins/`)
2. The WebService assembly (for built-in plugins)
## Integration Types
| Type | Description | Examples |
|------|-------------|----------|
| **Registry** | Container image registries | Docker Hub, Harbor, ECR, ACR, GCR, GHCR, Quay, Artifactory |
| **SCM** | Source code management | GitHub, GitLab, Gitea, Bitbucket, Azure DevOps |
| **CI** | Continuous integration | GitHub Actions, GitLab CI, Gitea Actions, Jenkins, CircleCI |
| **Host** | Runtime observation | Zastava (eBPF, ETW, dyld probes) |
| **Feed** | Vulnerability feeds | Concelier, Excititor mirrors |
| **Artifact** | SBOM/VEX uploads | Direct artifact submission |
## Entity Schema
```csharp
public sealed class Integration
{
// Identity
public Guid IntegrationId { get; init; }
public string TenantId { get; init; }
public string Name { get; init; }
public string? Description { get; set; }
// Classification
public IntegrationType Type { get; init; }
public IntegrationProvider Provider { get; init; }
// Configuration
public string? BaseUrl { get; set; }
public string? AuthRef { get; set; } // Never raw secrets
public JsonDocument Configuration { get; set; }
// Organization
public string? Environment { get; set; } // prod, staging, dev
public string? Tags { get; set; }
public string? OwnerId { get; set; }
// Lifecycle
public IntegrationStatus Status { get; private set; }
public bool Paused { get; private set; }
public string? PauseReason { get; private set; }
// Health
public DateTimeOffset? LastTestedAt { get; private set; }
public bool? LastTestSuccess { get; private set; }
public int ConsecutiveFailures { get; private set; }
// Audit
public DateTimeOffset CreatedAt { get; init; }
public string CreatedBy { get; init; }
public DateTimeOffset? ModifiedAt { get; private set; }
public string? ModifiedBy { get; private set; }
public int Version { get; private set; }
}
```
## Lifecycle States
```
┌─────────┐
│ Draft │ ──── SubmitForVerification() ────►
└─────────┘
│
▼
┌───────────────────┐
│ PendingVerification│ ──── Test Success ────►
└───────────────────┘
│
▼
┌──────────┐
│ Active │ ◄──── Resume() ────┐
└──────────┘ │
│ │
Consecutive ┌─────────┐
Failures ≥ 3 │ Paused │
│ └─────────┘
▼ ▲
┌───────────┐ │
│ Degraded │ ──── Pause() ───────┘
└───────────┘
│
Failures ≥ 5
│
▼
┌──────────┐
│ Failed │
└──────────┘
```
## API Endpoints
Base path: `/api/v1/integrations`
| Method | Path | Scope | Description |
|--------|------|-------|-------------|
| GET | `/` | `integrations.read` | List integrations with filtering |
| GET | `/{id}` | `integrations.read` | Get integration by ID |
| POST | `/` | `integrations.admin` | Create integration |
| PUT | `/{id}` | `integrations.admin` | Update integration |
| DELETE | `/{id}` | `integrations.admin` | Delete integration |
| POST | `/{id}/test` | `integrations.admin` | Test connection |
| POST | `/{id}/pause` | `integrations.admin` | Pause integration |
| POST | `/{id}/resume` | `integrations.admin` | Resume integration |
| POST | `/{id}/activate` | `integrations.admin` | Activate integration |
| GET | `/{id}/health` | `integrations.read` | Get health status |
## AuthRef Pattern
**Critical:** The Integration Catalog never stores raw credentials. All secrets are referenced via `AuthRef` strings that point to Authority's secret store.
```
AuthRef format: ref://<scope>/<provider>/<key>
Example: ref://integrations/github/acme-org-token
```
The AuthRef is resolved at runtime when making API calls to the integration provider. This ensures:
1. Secrets are stored centrally with proper encryption
2. Secret rotation doesn't require integration updates
3. Audit trails track secret access separately
4. Offline bundles can use different AuthRefs
## Event Pipeline
Integration lifecycle events are published for consumption by Scheduler and Orchestrator:
| Event | Trigger | Consumers |
|-------|---------|-----------|
| `integration.created` | New integration | Scheduler (schedule health checks) |
| `integration.updated` | Configuration change | Scheduler (reschedule) |
| `integration.deleted` | Integration removed | Scheduler (cancel jobs) |
| `integration.paused` | Operator paused | Orchestrator (pause jobs) |
| `integration.resumed` | Operator resumed | Orchestrator (resume jobs) |
| `integration.healthy` | Test passed | Signals (status update) |
| `integration.unhealthy` | Test failed | Signals, Notify (alert) |
## Audit Trail
All integration actions are logged:
- Create/Update/Delete with actor and timestamp
- Connection tests with success/failure
- Pause/Resume with reason and ticket reference
- Activate with approver
Audit logs are stored in the append-only audit store for compliance.
## Determinism & Offline
- Integration lists are ordered deterministically by name
- Timestamps are UTC ISO-8601
- Pagination uses stable cursor semantics
- Health polling respects offline mode (skip network checks)
- Feed integrations support allowlists for air-gap environments
## RBAC Scopes
| Scope | Permission |
|-------|------------|
| `integrations.read` | View integrations and health |
| `integrations.admin` | Create, update, delete, test, pause, resume |
## Future Extensions
1. **Provider-specific testers**: HTTP health checks, registry auth validation, SCM webhook verification
2. **PostgreSQL persistence**: Replace in-memory repository for production
3. **Messaging events**: Publish to Valkey/Kafka instead of no-op
4. **Health history**: Track uptime percentage and latency over time
5. **Bulk operations**: Import/export integrations for environment promotion

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@@ -17,7 +17,7 @@ This document describes the canonical end-to-end flows at a level useful for deb
11. **Scanner.WebService -> events stream**: publish completion events for notifications and downstream consumers.
12. **Notification engine -> channels**: render and deliver notifications with idempotency tracking.
Offline note: for air-gapped deployments, step 6 writes to local object storage and step 7 relies on offline mirrors/bundles rather than public feeds. See `docs/OFFLINE_KIT.md` and `docs/airgap/overview.md`.
Offline note: for air-gapped deployments, step 6 writes to local object storage and step 7 relies on offline mirrors/bundles rather than public feeds. See `docs/OFFLINE_KIT.md` and `docs/modules/airgap/guides/overview.md`.
### Scan execution sequence diagram

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# Signal Contract Mapping: Advisory ↔ StellaOps
**Document Version:** 1.0
**Last Updated:** 2025-12-19
**Status:** ACTIVE
**Related Sprint:** SPRINT_5000_0001_0001
---
## Overview
This document provides a comprehensive mapping between the reference advisory's **Signal-based message contracts (10/12/14/16/18)** and the **StellaOps implementation**. While StellaOps uses domain-specific terminology, all signal concepts are fully implemented with equivalent or superior functionality.
**Key Insight:** StellaOps implements the same architectural patterns as the advisory but uses domain-specific entity names instead of generic "Signal-X" labels. This provides better type safety, code readability, and domain modeling while maintaining conceptual alignment.
---
## Quick Reference Table
| Advisory Signal | StellaOps Equivalent | Module | Key Files |
|----------------|---------------------|---------|-----------|
| **Signal-10** (SBOM Intake) | `CallgraphIngestRequest`, `ISbomIngestionService` | Scanner, Signals | `SbomIngestionService.cs`, `CallgraphIngestRequest.cs` |
| **Signal-12** (Evidence/Attestation) | in-toto `Statement` + DSSE | Attestor, Signer | `InTotoStatement.cs`, `DsseEnvelope.cs`, 19 predicate types |
| **Signal-14** (Triage Fact) | `TriageFinding` + related entities | Scanner.Triage | `TriageFinding.cs`, `TriageReachabilityResult.cs`, `TriageRiskResult.cs`, `TriageEffectiveVex.cs` |
| **Signal-16** (Diff Delta) | `TriageSnapshot`, `MaterialRiskChange`, `DriftCause` | Scanner.SmartDiff, ReachabilityDrift | `MaterialRiskChangeDetector.cs`, `ReachabilityDriftDetector.cs`, `TriageSnapshot.cs` |
| **Signal-18** (Decision) | `TriageDecision` + DSSE signatures | Scanner.Triage | `TriageDecision.cs`, `TriageEvidenceArtifact.cs` |
---
## Signal-10: SBOM Intake
### Advisory Specification
```json
{
"bom": "(cyclonedx:1.7)",
"subject": {
"image": "ghcr.io/org/app@sha256:...",
"digest": "sha256:..."
},
"source": "scanner-instance-1",
"scanProfile": "default",
"createdAt": "2025-12-19T10:00:00Z"
}
```
**Purpose:** Initial SBOM ingestion with subject identification
---
### StellaOps Implementation
**Primary Contract:** `CallgraphIngestRequest`
**Location:** `src/Signals/StellaOps.Signals/Models/CallgraphIngestRequest.cs`
```csharp
public sealed record CallgraphIngestRequest
{
public required string TenantId { get; init; }
public required string ArtifactDigest { get; init; } // Maps to "subject.digest"
public required string Language { get; init; }
public required string Component { get; init; }
public required string? Version { get; init; }
public required string ArtifactContentBase64 { get; init; } // Maps to "bom" (encoded)
public string? SchemaVersion { get; init; }
public IReadOnlyDictionary<string, string>? Metadata { get; init; } // Includes "source", "scanProfile"
}
```
**Service Interface:** `ISbomIngestionService`
**Location:** `src/Scanner/StellaOps.Scanner.WebService/Services/ISbomIngestionService.cs`
```csharp
public interface ISbomIngestionService
{
Task<SbomIngestionResult> IngestCycloneDxAsync(
string tenantId,
Stream cycloneDxJson,
SbomIngestionOptions options,
CancellationToken cancellationToken);
Task<SbomIngestionResult> IngestSpdxAsync(
string tenantId,
Stream spdxJson,
SbomIngestionOptions options,
CancellationToken cancellationToken);
}
```
**Data Flow:**
```
[Scanner] → SbomIngestionService → [CycloneDxComposer/SpdxComposer]
↓
PostgreSQL (scanner.sboms)
↓
Event: "sbom.ingested"
↓
[Downstream processors]
```
**API Endpoints:**
- `POST /api/scanner/sboms/ingest` - Direct SBOM ingestion
- `POST /api/signals/callgraph/ingest` - Call graph + SBOM ingestion
**Related Files:**
- `src/Scanner/StellaOps.Scanner.WebService/Endpoints/SbomEndpoints.cs`
- `src/Signals/StellaOps.Signals/Services/CallgraphIngestionService.cs`
- `src/Scanner/__Libraries/StellaOps.Scanner.Emit/Composition/CycloneDxComposer.cs`
**Equivalence Proof:**
- ✅ BOM content: CycloneDX 1.7
- ✅ Subject identification: `ArtifactDigest` (SHA-256)
- ✅ Source tracking: `Metadata["source"]`
- ✅ Profile support: `SbomIngestionOptions.ScanProfile`
- ✅ Timestamp: `CreatedAt` in database entity
---
## Signal-12: Evidence/Attestation (in-toto Statement)
### Advisory Specification
```json
{
"subject": {"digest": {"sha256": "..."}},
"type": "attestation",
"predicateType": "https://slsa.dev/provenance/v1",
"predicate": {...},
"materials": [],
"tool": "scanner@1.0.0",
"runId": "run-123",
"startedAt": "2025-12-19T10:00:00Z",
"finishedAt": "2025-12-19T10:05:00Z"
}
```
**Purpose:** Evidence envelopes for attestations (DSSE-wrapped)
---
### StellaOps Implementation
**Primary Contract:** `InTotoStatement` (abstract base)
**Location:** `src/Attestor/__Libraries/StellaOps.Attestor.ProofChain/Statements/InTotoStatement.cs`
```csharp
public abstract record InTotoStatement
{
[JsonPropertyName("_type")]
public string Type => "https://in-toto.io/Statement/v1";
[JsonPropertyName("subject")]
public required IReadOnlyList<Subject> Subject { get; init; }
[JsonPropertyName("predicateType")]
public abstract string PredicateType { get; }
}
```
**DSSE Envelope:** `DsseEnvelope`
**Location:** `src/Attestor/StellaOps.Attestor.Envelope/DsseEnvelope.cs`
```csharp
public sealed record DsseEnvelope
{
[JsonPropertyName("payload")]
public required string Payload { get; init; } // Base64url(canonical JSON of Statement)
[JsonPropertyName("payloadType")]
public required string PayloadType { get; init; } // "application/vnd.in-toto+json"
[JsonPropertyName("signatures")]
public required IReadOnlyList<DsseSignature> Signatures { get; init; }
}
```
**Predicate Types Registry:** 19 types supported
**Location:** `src/Signer/StellaOps.Signer/StellaOps.Signer.Core/PredicateTypes.cs`
```csharp
public static class PredicateTypes
{
// SLSA (Standard)
public const string SlsaProvenanceV02 = "https://slsa.dev/provenance/v0.2";
public const string SlsaProvenanceV1 = "https://slsa.dev/provenance/v1";
// StellaOps Custom
public const string StellaOpsSbom = "stella.ops/sbom@v1";
public const string StellaOpsVex = "stella.ops/vex@v1";
public const string StellaOpsEvidence = "stella.ops/evidence@v1";
public const string StellaOpsPathWitness = "stella.ops/pathWitness@v1";
public const string StellaOpsReachabilityWitness = "stella.ops/reachabilityWitness@v1";
public const string StellaOpsReachabilityDrift = "stellaops.dev/predicates/reachability-drift@v1";
public const string StellaOpsPolicyDecision = "stella.ops/policy-decision@v1";
// ... 12 more predicate types
}
```
**Signing Service:** `CryptoDsseSigner`
**Location:** `src/Signer/StellaOps.Signer/StellaOps.Signer.Infrastructure/Signing/CryptoDsseSigner.cs`
**Data Flow:**
```
[Component] → ProofChainSigner → [Build in-toto Statement]
↓
Canonical JSON serialization
↓
DSSE PAE construction
↓
CryptoDsseSigner (KMS/Keyless)
↓
DsseEnvelope (signed)
↓
PostgreSQL (attestor.envelopes)
↓
Optional: Rekor transparency log
```
**Sample Attestation Files:**
- `src/Attestor/StellaOps.Attestor.Types/samples/build-provenance.v1.json`
- `src/Attestor/StellaOps.Attestor.Types/samples/vex-attestation.v1.json`
- `src/Attestor/StellaOps.Attestor.Types/samples/scan-results.v1.json`
**Equivalence Proof:**
- ✅ Subject: `Subject` list with digests
- ✅ Type: `https://in-toto.io/Statement/v1`
- ✅ PredicateType: 19 supported types
- ✅ Predicate: Custom per type
- ✅ Tool: Embedded in predicate metadata
- ✅ RunId: `TraceId` / `CorrelationId`
- ✅ Timestamps: In predicate metadata
- ✅ DSSE wrapping: Full implementation
---
## Signal-14: Triage Fact
### Advisory Specification
```json
{
"subject": "pkg:npm/lodash@4.17.0",
"cve": "CVE-2024-12345",
"findingId": "cve@package@symbol@subjectDigest",
"location": {
"file": "src/index.js",
"package": "lodash",
"symbol": "template"
},
"reachability": {
"status": "reachable",
"callStackId": "cs-abc123"
},
"epss": 0.85,
"cvss": {
"version": "4.0",
"vector": "CVSS:4.0/AV:N/AC:L/...",
"score": 7.5
},
"vexStatus": "affected",
"notes": "...",
"evidenceRefs": ["dsse://sha256:..."]
}
```
**Purpose:** Triage facts per CVE with reachability, scoring, and VEX status
---
### StellaOps Implementation
**Primary Entity:** `TriageFinding` (core entity tying all triage data)
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.Triage/Entities/TriageFinding.cs`
```csharp
public sealed class TriageFinding
{
public string FindingId { get; set; } // Stable ID: "cve@purl@scanId"
public string TenantId { get; set; }
public string AssetId { get; set; } // Maps to "subject"
public string? Purl { get; set; } // Package URL
public string? CveId { get; set; } // Maps to "cve"
public string? RuleId { get; set; } // For non-CVE findings
public DateTimeOffset FirstSeenAt { get; set; }
public DateTimeOffset LastSeenAt { get; set; }
// Navigation properties
public TriageReachabilityResult? Reachability { get; set; }
public TriageRiskResult? Risk { get; set; }
public TriageEffectiveVex? EffectiveVex { get; set; }
public ICollection<TriageEvidenceArtifact> EvidenceArtifacts { get; set; }
public ICollection<TriageDecision> Decisions { get; set; }
}
```
**Reachability Component:** `TriageReachabilityResult`
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.Triage/Entities/TriageReachabilityResult.cs`
```csharp
public sealed class TriageReachabilityResult
{
public string ResultId { get; set; }
public string FindingId { get; set; }
public TriageReachability Reachability { get; set; } // Yes, No, Unknown
public int Confidence { get; set; } // 0-100
public string? StaticProofRef { get; set; } // Maps to "callStackId"
public string? RuntimeProofRef { get; set; }
public string InputsHash { get; set; } // For caching/diffing
public DateTimeOffset ComputedAt { get; set; }
// Lattice evaluation
public double? LatticeScore { get; set; }
public string? LatticeState { get; set; }
}
```
**Risk/Scoring Component:** `TriageRiskResult`
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.Triage/Entities/TriageRiskResult.cs`
```csharp
public sealed class TriageRiskResult
{
public string ResultId { get; set; }
public string FindingId { get; set; }
// Scoring
public double RiskScore { get; set; } // Combined score
public double? CvssBaseScore { get; set; }
public string? CvssVector { get; set; } // CVSS:4.0/AV:N/...
public string? CvssVersion { get; set; } // "4.0"
public double? EpssScore { get; set; } // Maps to "epss"
public double? EpssPercentile { get; set; }
public DateOnly? EpssModelDate { get; set; }
// Policy decision
public TriageVerdict Verdict { get; set; } // Ship, Block, Exception
public string? PolicyId { get; set; }
public string Lane { get; set; } // Critical, High, Medium, Low
public string InputsHash { get; set; }
public string? LatticeExplanationJson { get; set; } // Maps to "notes"
public DateTimeOffset ComputedAt { get; set; }
}
```
**VEX Component:** `TriageEffectiveVex`
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.Triage/Entities/TriageEffectiveVex.cs`
```csharp
public sealed class TriageEffectiveVex
{
public string VexId { get; set; }
public string FindingId { get; set; }
public VexClaimStatus Status { get; set; } // Maps to "vexStatus"
public VexJustification? Justification { get; set; }
public string? ProvenancePointer { get; set; } // Linkset reference
public string? DsseEnvelopeHash { get; set; } // Maps to "evidenceRefs"
public DateTimeOffset EffectiveAt { get; set; }
}
```
**Evidence Artifacts:** `TriageEvidenceArtifact`
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.Triage/Entities/TriageEvidenceArtifact.cs`
```csharp
public sealed class TriageEvidenceArtifact
{
public string ArtifactId { get; set; }
public string FindingId { get; set; }
public string ContentHash { get; set; } // SHA-256
public string? SignatureRef { get; set; } // DSSE envelope reference
public string? CasUri { get; set; } // cas://reachability/graphs/{hash}
public string MediaType { get; set; }
public long SizeBytes { get; set; }
public DateTimeOffset CreatedAt { get; set; }
}
```
**Database Schema:**
- Table: `scanner.triage_findings` (core table)
- Table: `scanner.triage_reachability_results` (1:1 with findings)
- Table: `scanner.triage_risk_results` (1:1 with findings)
- Table: `scanner.triage_effective_vex` (1:1 with findings)
- Table: `scanner.triage_evidence_artifacts` (1:N with findings)
**Equivalence Proof:**
- ✅ Subject: `AssetId` + `Purl`
- ✅ CVE: `CveId`
- ✅ Finding ID: `FindingId` (stable scheme)
- ✅ Location: Embedded in evidence artifacts
- ✅ Reachability: Full `TriageReachabilityResult` entity
- ✅ EPSS: `EpssScore`, `EpssPercentile`, `EpssModelDate`
- ✅ CVSS: `CvssBaseScore`, `CvssVector`, `CvssVersion`
- ✅ VEX Status: `TriageEffectiveVex.Status`
- ✅ Notes: `LatticeExplanationJson`
- ✅ Evidence Refs: `TriageEvidenceArtifact` with `ContentHash`, `CasUri`
---
## Signal-16: Diff Delta
### Advisory Specification
```json
{
"subject": "ghcr.io/org/app",
"fromVersion": "1.0.0",
"toVersion": "1.1.0",
"changed": {
"packages": ["lodash@4.17.0→4.17.21"],
"files": ["src/util.js"],
"symbols": ["template"],
"vulns": [{"cve": "CVE-2024-12345", "action": "fixed"}]
},
"explainableReasons": [
{
"reasonCode": "VEX_STATUS_FLIP",
"params": {"from": "affected", "to": "fixed"},
"evidenceRefs": ["dsse://..."]
}
]
}
```
**Purpose:** Minimal deltas between SBOM snapshots with explainable reasons
---
### StellaOps Implementation
**Primary Entity:** `TriageSnapshot`
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.Triage/Entities/TriageSnapshot.cs`
```csharp
public sealed class TriageSnapshot
{
public string SnapshotId { get; set; }
public string TenantId { get; set; }
public string AssetId { get; set; }
// Version tracking
public string? FromVersion { get; set; } // Maps to "fromVersion"
public string? ToVersion { get; set; } // Maps to "toVersion"
public string FromScanId { get; set; }
public string ToScanId { get; set; }
// Input/output hashes for diffing
public string FromInputsHash { get; set; }
public string ToInputsHash { get; set; }
// Precomputed diff
public string? DiffJson { get; set; } // Maps to "changed"
// Trigger tracking
public string? Trigger { get; set; } // Manual, Scheduled, EventDriven
public DateTimeOffset CreatedAt { get; set; }
}
```
**Smart-Diff Detector:** `MaterialRiskChangeDetector`
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.SmartDiff/Detection/MaterialRiskChangeDetector.cs`
```csharp
public sealed class MaterialRiskChangeDetector
{
// Detection rules
public IReadOnlyList<DetectedChange> Detect(
RiskStateSnapshot previous,
RiskStateSnapshot current)
{
// R1: Reachability flip
// R2: VEX status flip
// R3: Range boundary cross
// R4: Intelligence/Policy flip
}
}
```
**Risk State Snapshot:** `RiskStateSnapshot`
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.SmartDiff/Detection/RiskStateSnapshot.cs`
```csharp
public sealed record RiskStateSnapshot
{
public bool? Reachable { get; init; }
public VexClaimStatus VexStatus { get; init; }
public bool? InAffectedRange { get; init; }
public bool Kev { get; init; }
public double? EpssScore { get; init; }
public PolicyDecision PolicyDecision { get; init; }
public string? LatticeState { get; init; }
// SHA-256 hash for deterministic change detection
public string ComputeHash() => SHA256.Hash(CanonicalJson);
}
```
**Reachability Drift Detector:** `ReachabilityDriftDetector`
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.ReachabilityDrift/Services/ReachabilityDriftDetector.cs`
```csharp
public sealed class ReachabilityDriftDetector
{
public Task<DriftDetectionResult> DetectAsync(
string baseScanId,
string headScanId,
CancellationToken cancellationToken);
}
```
**Drift Cause Explainer:** `DriftCauseExplainer`
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.ReachabilityDrift/Services/DriftCauseExplainer.cs`
```csharp
public sealed class DriftCauseExplainer
{
// Explains why reachability changed
public DriftCause Explain(
CallGraphSnapshot baseGraph,
CallGraphSnapshot headGraph,
string sinkId);
}
public sealed record DriftCause
{
public DriftCauseKind Kind { get; init; } // Maps to "reasonCode"
public string Description { get; init; }
public string? ChangedSymbol { get; init; }
public string? ChangedFile { get; init; }
public int? ChangedLine { get; init; }
public string? CodeChangeId { get; init; } // Maps to "evidenceRefs"
}
public enum DriftCauseKind
{
GuardRemoved, // "GUARD_REMOVED"
NewPublicRoute, // "NEW_PUBLIC_ROUTE"
VisibilityEscalated, // "VISIBILITY_ESCALATED"
DependencyUpgraded, // "DEPENDENCY_UPGRADED"
SymbolRemoved, // "SYMBOL_REMOVED"
GuardAdded, // "GUARD_ADDED"
Unknown // "UNKNOWN"
}
```
**API Endpoints:**
- `GET /smart-diff/scans/{scanId}/changes` - Material risk changes
- `GET /smart-diff/scans/{scanId}/sarif` - SARIF 2.1.0 format
- `GET /smart-diff/images/{digest}/candidates` - VEX candidates
**Database Schema:**
- Table: `scanner.triage_snapshots`
- Table: `scanner.risk_state_snapshots`
- Table: `scanner.material_risk_changes`
- Table: `scanner.call_graph_snapshots`
**Equivalence Proof:**
- ✅ Subject: `AssetId`
- ✅ From/To Version: `FromVersion`, `ToVersion`
- ✅ Changed packages: In `DiffJson` + package-level diffs
- ✅ Changed symbols: Reachability drift detection
- ✅ Changed vulns: Material risk changes
- ✅ Explainable reasons: `DriftCause` with `Kind` (reason code)
- ✅ Evidence refs: `CodeChangeId`, evidence artifacts
---
## Signal-18: Decision
### Advisory Specification
```json
{
"subject": "pkg:npm/lodash@4.17.0",
"decisionId": "dec-abc123",
"severity": "HIGH",
"priority": 85,
"rationale": [
"Reachable from public API",
"EPSS above threshold (0.85)",
"No VEX from vendor"
],
"actions": ["Block deployment", "Notify security team"],
"dsseSignatures": ["dsse://sha256:..."]
}
```
**Purpose:** Policy decisions with rationale and signatures
---
### StellaOps Implementation
**Primary Entity:** `TriageDecision`
**Location:** `src/Scanner/__Libraries/StellaOps.Scanner.Triage/Entities/TriageDecision.cs`
```csharp
public sealed class TriageDecision
{
public string DecisionId { get; set; } // Maps to "decisionId"
public string FindingId { get; set; } // Links to TriageFinding (subject)
public string TenantId { get; set; }
// Decision details
public TriageDecisionKind Kind { get; set; } // Mute, Acknowledge, Exception
public string? Reason { get; set; } // Maps to "rationale"
public string? ReasonCode { get; set; }
// Actor
public string ActorSubject { get; set; }
public string? ActorDisplayName { get; set; }
// Policy reference
public string? PolicyRef { get; set; }
// Lifetime
public DateTimeOffset EffectiveAt { get; set; }
public DateTimeOffset? ExpiresAt { get; set; }
public int? TtlDays { get; set; }
// Reversibility
public bool Revoked { get; set; }
public DateTimeOffset? RevokedAt { get; set; }
public string? RevokedBy { get; set; }
// Signatures
public string? DsseEnvelopeHash { get; set; } // Maps to "dsseSignatures"
public string? SignatureRef { get; set; }
public DateTimeOffset CreatedAt { get; set; }
}
```
**Risk Result (includes severity/priority):** From `TriageRiskResult`
```csharp
public sealed class TriageRiskResult
{
public double RiskScore { get; set; } // Maps to "priority" (0-100)
public string Lane { get; set; } // Maps to "severity" (Critical/High/Medium/Low)
public TriageVerdict Verdict { get; set; } // Maps to "actions" (Ship/Block/Exception)
public string? LatticeExplanationJson { get; set; } // Maps to "rationale" (structured)
}
```
**Score Explanation Service:** `ScoreExplanationService`
**Location:** `src/Signals/StellaOps.Signals/Services/ScoreExplanationService.cs`
```csharp
public sealed class ScoreExplanationService
{
// Generates structured rationale
public ScoreExplanation Explain(ScoreExplanationRequest request)
{
// Returns breakdown of:
// - CVSS contribution
// - EPSS contribution
// - Reachability contribution
// - VEX reduction
// - Gate discounts
// - KEV bonus
}
}
```
**Decision Predicate Type:** `stella.ops/policy-decision@v1`
**Location:** Defined in `PredicateTypes.cs`, implemented in attestations
**Database Schema:**
- Table: `scanner.triage_decisions`
- Table: `scanner.triage_risk_results` (for severity/priority)
**API Endpoints:**
- `POST /triage/decisions` - Create decision
- `DELETE /triage/decisions/{decisionId}` - Revoke decision
- `GET /triage/findings/{findingId}/decisions` - List decisions for finding
**Equivalence Proof:**
- ✅ Subject: Linked via `FindingId` → `TriageFinding.Purl`
- ✅ Decision ID: `DecisionId`
- ✅ Severity: `TriageRiskResult.Lane`
- ✅ Priority: `TriageRiskResult.RiskScore`
- ✅ Rationale: `Reason` + `LatticeExplanationJson` (structured)
- ✅ Actions: `Verdict` (Ship/Block/Exception)
- ✅ DSSE Signatures: `DsseEnvelopeHash`, `SignatureRef`
---
## Idempotency Key Handling
### Advisory Pattern
```
idemKey = hash(subjectDigest || type || runId || cve || windowStart)
```
---
### StellaOps Implementation
**Event Envelope Idempotency:**
**Location:** `src/Orchestrator/StellaOps.Orchestrator/StellaOps.Orchestrator.Core/Domain/Events/EventEnvelope.cs`
```csharp
public static string GenerateIdempotencyKey(
OrchestratorEventType eventType,
string? jobId,
int attempt)
{
var jobPart = jobId ?? "none";
return $"orch-{eventType.ToEventTypeName()}-{jobPart}-{attempt}";
}
```
**Pattern:** `{domain}-{event_type}-{entity_id}-{attempt}`
**Orchestrator Event Idempotency:**
**Location:** `src/Scanner/StellaOps.Scanner.WebService/Contracts/OrchestratorEventContracts.cs`
```csharp
public sealed record OrchestratorEvent
{
public required string EventId { get; init; }
public required string EventKind { get; init; }
public required string IdempotencyKey { get; init; } // Explicitly tracked
public required string CorrelationId { get; init; }
public required string TraceId { get; init; }
public required string SpanId { get; init; }
// ...
}
```
**Finding ID Stability (Signal-14):**
**Pattern:** `{cve}@{purl}@{scanId}`
**Location:** `TriageFinding.FindingId` generation logic
**Equivalence:**
- ✅ Subject digest: Included in `scanId` or `AssetId`
- ✅ Type: `EventKind` or `EventType`
- ✅ Run ID: `TraceId`, `CorrelationId`, `attempt`
- ✅ CVE: Included in finding ID
- ✅ Window: Implicit in scan/job timing
---
## Evidence Reference Mechanisms
### Advisory Pattern
```
evidenceRefs[i] = dsse://sha256:<payloadHash>
```
**Storage:** DSSE payloads stored as blobs, indexed by `payloadHash` and `subjectDigest`
---
### StellaOps Implementation
**CAS URI Pattern:**
```
cas://reachability/graphs/{blake3_hash}
cas://runtime/traces/{blake3_hash}
```
**DSSE Reference Pattern:**
```
{DsseEnvelopeHash} = SHA-256 of DSSE envelope
{SignatureRef} = Reference to attestor.envelopes table
```
**Evidence Artifact Entity:** `TriageEvidenceArtifact`
```csharp
public sealed class TriageEvidenceArtifact
{
public string ContentHash { get; set; } // SHA-256 of content
public string? SignatureRef { get; set; } // DSSE envelope reference
public string? CasUri { get; set; } // CAS URI for content
// ...
}
```
**Reachability Evidence Chain:** `ReachabilityEvidenceChain`
**Location:** `src/__Libraries/StellaOps.Signals.Contracts/Models/Evidence/ReachabilityEvidenceChain.cs`
```csharp
public sealed record ReachabilityEvidenceChain
{
public GraphEvidence? GraphEvidence { get; init; }
public RuntimeEvidence? RuntimeEvidence { get; init; }
public ImmutableArray<CodeAnchor> CodeAnchors { get; init; }
public ImmutableArray<Unknown> Unknowns { get; init; }
}
public sealed record GraphEvidence
{
public required string GraphHash { get; init; } // BLAKE3
public required string GraphCasUri { get; init; } // cas://...
public required string AnalyzerName { get; init; }
public required string AnalyzerVersion { get; init; }
public DateTimeOffset AnalyzedAt { get; init; }
}
public sealed record RuntimeEvidence
{
public required string TraceHash { get; init; } // BLAKE3
public required string TraceCasUri { get; init; } // cas://...
public required string ProbeType { get; init; }
public required int HitCount { get; init; }
public DateTimeOffset LastSeenAt { get; init; }
}
```
**Storage:**
- PostgreSQL: `attestor.envelopes` table for DSSE envelopes
- PostgreSQL: `scanner.triage_evidence_artifacts` for evidence metadata
- RustFS: CAS storage for evidence blobs (S3-compatible; MinIO legacy support available)
**Equivalence:**
- ✅ Hash-addressed storage: SHA-256, BLAKE3
- ✅ DSSE references: `DsseEnvelopeHash`, `SignatureRef`
- ✅ CAS URIs: `cas://` scheme for content-addressable storage
- ✅ Blob storage: S3-compatible object store
- ✅ Index by subject: `FindingId` links to evidence
---
## API Endpoint Mapping
| Signal | Advisory Endpoint | StellaOps Endpoint |
|--------|------------------|-------------------|
| Signal-10 | `POST /sbom/intake` | `POST /api/scanner/sboms/ingest`<br>`POST /api/signals/callgraph/ingest` |
| Signal-12 | `POST /attestations` | Implicit via signing services<br>`GET /api/attestor/envelopes/{hash}` |
| Signal-14 | `GET /triage/facts/{findingId}` | `GET /api/scanner/triage/findings/{findingId}`<br>`GET /api/scanner/triage/findings/{findingId}/evidence` |
| Signal-16 | `GET /diff/{from}/{to}` | `GET /api/smart-diff/scans/{scanId}/changes`<br>`GET /api/smart-diff/images/{digest}/candidates` |
| Signal-18 | `POST /decisions` | `POST /api/triage/decisions`<br>`GET /api/triage/findings/{findingId}/decisions` |
---
## Component Architecture Alignment
### Advisory Architecture
```
[ Sbomer ] → Signal-10 → [ Router ]
[ Attestor ] → Signal-12 → [ Router ]
[ Scanner.Worker ] → Signal-14 → [ Triage Store ]
[ Reachability.Engine ] → updates Signal-14
[ Smart-Diff ] → Signal-16 → [ Router ]
[ Deterministic-Scorer ] → Signal-18 → [ Router/Notify ]
```
---
### StellaOps Architecture
```
[ Scanner.Emit ] → SbomIngestionService → PostgreSQL (scanner.sboms)
[ Attestor.ProofChain ] → DsseEnvelopeSigner → PostgreSQL (attestor.envelopes)
[ Scanner.Triage ] → TriageFinding + related entities → PostgreSQL (scanner.triage_*)
[ ReachabilityAnalyzer ] → PathWitnessBuilder → TriageReachabilityResult
[ SmartDiff + ReachabilityDrift ] → MaterialRiskChangeDetector → TriageSnapshot
[ Policy.Scoring engines ] → ScoreExplanationService → TriageRiskResult + TriageDecision
[ Router.Gateway ] → TransportDispatchMiddleware → Inter-service routing
[ TimelineIndexer ] → TimelineEventEnvelope → Event ordering & storage
```
**Mapping:**
- Sbomer ↔ Scanner.Emit
- Attestor ↔ Attestor.ProofChain
- Scanner.Worker ↔ Scanner.Triage
- Reachability.Engine ↔ ReachabilityAnalyzer
- Smart-Diff ↔ SmartDiff + ReachabilityDrift
- Deterministic-Scorer ↔ Policy.Scoring engines
- Router/Timeline ↔ Router.Gateway + TimelineIndexer
---
## Summary
**Alignment Status:** ✅ **Fully Aligned (Conceptually)**
While StellaOps uses domain-specific entity names instead of generic "Signal-X" labels, all signal concepts are implemented with equivalent or superior functionality:
- ✅ **Signal-10:** SBOM intake via `CallgraphIngestRequest`, `ISbomIngestionService`
- ✅ **Signal-12:** in-toto attestations with 19 predicate types, DSSE signing
- ✅ **Signal-14:** Comprehensive triage entities (`TriageFinding`, `TriageReachabilityResult`, `TriageRiskResult`, `TriageEffectiveVex`)
- ✅ **Signal-16:** Smart-diff with `TriageSnapshot`, `MaterialRiskChange`, explainable drift causes
- ✅ **Signal-18:** `TriageDecision` with DSSE signatures and structured rationale
**Key Advantages of StellaOps Implementation:**
1. **Type Safety:** Strong entity types vs. generic JSON blobs
2. **Relational Integrity:** PostgreSQL foreign keys enforce referential integrity
3. **Query Performance:** Indexed tables for fast lookups
4. **Domain Clarity:** Names reflect business concepts (Triage, Risk, Evidence)
5. **Extensibility:** Easy to add new fields/entities without breaking contracts
**Recommendation:** Maintain current architecture and entity naming. Provide this mapping document to demonstrate compliance with advisory signal patterns.
---
## References
### StellaOps Code Files
- `src/Signals/StellaOps.Signals/Models/CallgraphIngestRequest.cs`
- `src/Attestor/__Libraries/StellaOps.Attestor.ProofChain/Statements/InTotoStatement.cs`
- `src/Scanner/__Libraries/StellaOps.Scanner.Triage/Entities/*.cs`
- `src/Scanner/__Libraries/StellaOps.Scanner.SmartDiff/Detection/MaterialRiskChangeDetector.cs`
- `src/Scanner/__Libraries/StellaOps.Scanner.ReachabilityDrift/Services/*.cs`
- `src/Signer/StellaOps.Signer/StellaOps.Signer.Core/PredicateTypes.cs`
### Advisory References
- Advisory architecture document (CycloneDX 1.7 / VEX-first / in-toto)
- Signal contracts specification (10/12/14/16/18)
- DSSE specification: https://github.com/secure-systems-lab/dsse
- in-toto attestation framework: https://github.com/in-toto/attestation
### StellaOps Documentation
- `docs/ARCHITECTURE_OVERVIEW.md`
- `docs/modules/scanner/architecture.md`
- `docs/modules/attestor/transparency.md`
- `docs/contracts/witness-v1.md`

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## Related Documentation
- [Architecture Overview](../../40_ARCHITECTURE_OVERVIEW.md)
- [Architecture Overview](../../ARCHITECTURE_OVERVIEW.md)
- [High-Level Architecture](../../ARCHITECTURE_OVERVIEW.md)
- [Data Flows](data-flows.md)
- [Schema Mapping](schema-mapping.md)

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<!-- Placeholder diagram: SBOM -> DSSE -> Rekor bundle -> VEX output (offline verifiable). -->

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# CycloneDX 1.6 to 1.7 migration
> **STATUS: MIGRATION COMPLETED**
> CycloneDX 1.7 support completed in Sprint 3200 (November 2024).
> All scanner output now generates CycloneDX 1.7 by default.
> This document preserved for operators migrating from StellaOps versions <0.9.0.
## Summary
- Default SBOM output is now CycloneDX 1.7 (JSON and Protobuf).
- CycloneDX 1.6 ingestion remains supported for backward compatibility.
- VEX exports include CycloneDX 1.7 fields for ratings, sources, and affected versions.
## What changed
- `specVersion` is emitted as `1.7`.
- Media types include explicit 1.7 versions:
- `application/vnd.cyclonedx+json; version=1.7`
- `application/vnd.cyclonedx+protobuf; version=1.7`
- VEX documents may now include:
- `vulnerability.ratings[]` with CVSS v4/v3/v2 metadata
- `vulnerability.source` with provider and PURL/URL reference
- `vulnerability.affects[].versions[]` entries
## Required updates for consumers
1. Update Accept and Content-Type headers to request or send CycloneDX 1.7.
2. If you validate against JSON schemas, switch to the CycloneDX 1.7 schema.
3. Ensure parsers ignore unknown fields for forward compatibility.
4. Update OCI referrer media types to the 1.7 values.
## Compatibility notes
- CycloneDX 1.6 SBOMs are still accepted on ingest.
- CycloneDX 1.7 is the default output on Scanner and export surfaces.
## References
- CycloneDX 1.7 specification: https://cyclonedx.org/docs/1.7/
- Scanner architecture: `docs/modules/scanner/architecture.md`
- SBOM service architecture: `docs/modules/sbomservice/architecture.md`

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# Exception Governance Migration Guide
> **Imposed rule:** All exceptions must be time-bound, tenant-scoped, and auditable; legacy perpetual suppressions are prohibited after cutover.
This guide explains how to migrate from legacy suppressions/notifications to the unified Exception Governance model in Excititor and Console.
## 1. What changes
- **Unified exception object:** replaces ad-hoc suppressions. Fields: `tenant`, `scope` (purl/image/component), `vuln` (CVE/alias), `justification`, `expiration`, `owner`, `evidence_refs`, `policy_binding`, `status` (draft/staged/active/expired).
- **Two-phase activation:** `draft → staged → active` with policy simulator snapshot; rollbacks produce a compensating exception marked `supersedes`.
- **Notifications:** move from broad email hooks to route-specific notifications (policy events, expiring exceptions) using Notify service templates.
- **Auditability:** each lifecycle change emits Timeline + Evidence Locker entries; exports include DSSE attestation of the exception set.
## 2. Migration phases
1. **Inventory legacy suppressions**
- Export current suppressions and notification rules (per tenant) to NDJSON.
- Classify by scope: package, image, repo, tenant-wide.
2. **Normalize and enrich**
- Map each suppression to the unified schema; add `expiration` (default 30/90 days), `owner`, `justification` (use VEX schema categories when available).
- Attach evidence references (ticket URL, VEX claim ID, scan report digest) where missing.
3. **Create staged exceptions**
- Import NDJSON via Console or `stella exceptions import --stage` (CLI guide: `docs/modules/cli/guides/exceptions.md`).
- Run policy simulator; resolve conflicts flagged by Aggregation-Only Contract (AOC) enforcement.
4. **Activate with guardrails**
- Promote staged → active in batches; each promotion emits Timeline events and optional Rekor-backed attestation bundle (if Attestor is enabled).
- Configure Notify templates for expiring exceptions (T‑14/T‑3 days) and denied promotions.
5. **Decommission legacy paths**
- Disable legacy suppression writes; keep read-only for 30 days with banner noting deprecation.
- Remove legacy notification hooks after confirming staged/active parity.
## 3. Data shapes
- **Import NDJSON record (minimal):** `{ tenant, vuln, scope:{type:'purl'|'image'|'component', value}, justification, expiration, owner }
- **Export manifest:** `{ generated_at, tenant, count, sha256, aoc_enforced, source:'migration-legacy-suppressions' }`
- **Attestation (optional):** DSSE over exception set digest; stored alongside manifest in Evidence Locker.
## 4. Rollback plan
- Keep legacy suppressions read-only for 30 days.
- If a promotion batch causes regressions, mark affected exceptions `expired` and re-enable corresponding legacy suppressions for that tenant only.
- Emit `rollback_notice` Timeline events and Notify operators.
## 5. Air-gap considerations
- Imports/exports are file-based (NDJSON + manifest); no external calls required.
- Verification uses bundled attestations; Rekor proofs are optional offline.
- Console shows AOC badge when Aggregation-Only Contract limits apply; exports record `aoc=true`.
## 6. Checklists
- [ ] All legacy suppressions exported to NDJSON per tenant.
- [ ] Every exception has justification, owner, expiration.
- [ ] Policy simulator run and results attached to exception batch.
- [ ] Notify templates enabled for expiring/denied promotions.
- [ ] Legacy write paths disabled; read-only banner present.
- [ ] Attestation bundle stored (if Attestor available) and Evidence Locker entry created.
## 7. References
- `docs/modules/excititor/architecture.md`
- `docs/modules/excititor/implementation_plan.md`
- `docs/modules/cli/guides/exceptions.md`
- `docs/security/export-hardening.md`
- `docs/policy/ui-integration.md`

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# Graph Parity Rollout Guide
Status: Draft (2025-11-26) — DOCS-GRAPH-24-007.
## Goal
Transition from legacy graph surfaces (Cartographer/UI stubs) to the new Graph API + Indexer stack with clear rollback and parity checks.
## Scope
- Graph API (Sprint 0207) + Graph Indexer (Sprint 0141)
- Consumers: Graph Explorer, Vuln Explorer, Console/CLI, Export Center, Advisory AI overlays
- Tenants: all; pilot recommended with 1–2 tenants first
## Phased rollout
1) **Pilot**
- Enable new Graph API for pilot tenants behind feature flag `graph.api.v2`.
- Run daily parity job: compare node/edge counts and hashes against legacy output for selected snapshots.
2) **Shadow**
- Mirror queries from UI/CLI to both legacy and new APIs; log differences.
- Metrics to track: `parity_diff_nodes_total`, `parity_diff_edges_total`, p95 latency deltas.
3) **Cutover**
- Switch UI/CLI to new endpoints; keep shadow logging for 1 week.
- Freeze legacy write paths; keep read-only export for rollback.
4) **Cleanup**
- Remove legacy routes; retain archived parity reports and exports.
## Parity checks
- Deterministic snapshots: compare SHA256 of `nodes.jsonl` and `edges.jsonl` (sorted).
- Query parity: run canned queries (search/query/paths/diff) and compare:
- Node/edge counts, first/last IDs
- Presence of overlays (policy/vex)
- Cursor progression
- Performance: ensure p95 latency within ±20% of legacy baseline during shadow.
## Rollback
- Keep legacy service in read-only mode; toggle feature flag back if parity fails.
- Retain last good exports and parity reports for each tenant.
- If overlays mismatch: clear overlay cache and rerun policy overlay ingestion; fall back to legacy overlays temporarily.
## Observability
- Dashboards: add panels for parity diff counters and latency delta.
- Alerts:
- `parity_diff_nodes_total > 0` for 10m
- Latency delta > 20% for 10m
- Logs should include tenant, snapshotId, query type, cursor, hash comparisons.
## Owners
- Graph API Guild (API/runtime)
- Graph Indexer Guild (snapshots/ingest)
- Observability Guild (dashboards/alerts)
- UI/CLI Guilds (client cutover)
## Checklists
- [ ] Feature flag wired and default off.
- [ ] Canned query set stored in repo (deterministic inputs).
- [ ] Parity job outputs SHA256 comparison and stores reports per tenant/date.
- [ ] Rollback tested in staging.
## References
- `docs/api/graph.md`, `docs/modules/graph/architecture-index.md`
- `docs/implplan/SPRINT_0141_0001_0001_graph_indexer.md`
- `docs/implplan/SPRINT_0207_0001_0001_graph.md`

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# No-Merge Migration Playbook
_Last updated: 2025-11-06_
This playbook guides the full retirement of the legacy Merge service (`AdvisoryMergeService`) in favour of Link-Not-Merge (LNM) observations plus linksets. It is written for the BE-Merge, Architecture, DevOps, and Docs guilds coordinating Sprint 110 (Ingestion & Evidence) deliverables, and it feeds CONCELIER-LNM-21-101 / MERGE-LNM-21-001 and downstream DOCS-LNM-22-008.
## 0. Scope & objectives
- **Primary goal:** cut over all advisory pipelines to Link-Not-Merge with no residual dependencies on `AdvisoryMergeService`.
- **Secondary goals:** maintain deterministic evidence, zero data loss, and reversible deployment across online and offline tenants.
- **Success criteria:**
- All connectors emit observation `affected.versions[]` with provenance and pass LNM guardrails.
- Linkset dashboards show zero `missing_version_entries_total` and no `Normalized version rules missing…` warnings.
- Policy, Export Center, and CLI consumers operate solely on observations/linksets.
- Rollback playbook validated and rehearsed in staging.
## 1. Prerequisites checklist
| Item | Owner | Notes |
| --- | --- | --- |
| Normalized version ranges emitted for all Sprint 110 connectors (`Acsc`, `Cccs`, `CertBund`, `CertCc`, `Cve`, `Ghsa`, `Ics.Cisa`, `Kisa`, `Ru.Bdu`, `Ru.Nkcki`, `Vndr.Apple`, `Vndr.Cisco`, `Vndr.Msrc`). | Connector guilds | Follow `docs/dev/normalized-rule-recipes.md`; update fixtures with `UPDATE_*_FIXTURES=1`. |
| Metrics dashboards (`LinksetVersionCoverage`, `Normalized version rules missing`) available in Grafana/CI snapshots. | Observability guild | Publish baseline before shadow rollout. |
| Concelier WebService exposes `linkset` and `observation` read APIs for policy/CLI consumers. | BE-Merge / Platform | Confirm contract parity with Merge outputs. |
| Export Center / Offline Kit aware of new manifests. | Export Center guild | Provide beta bundle for QA verification. |
| Docs guild aligned on public migration messaging. | Docs guild | Update `docs/dev`, `docs/modules/concelier`, and release notes once cutover date is locked. |
Do not proceed to Phase 1 until all prerequisites are checked or explicitly waived by Architecture guild.
## 2. Feature flag & configuration plan
| Toggle | Default | Purpose | Notes |
| --- | --- | --- | --- |
| `concelier:features:noMergeEnabled` | `true` | Master switch to disable legacy Merge job scheduling/execution. | Applies to WebService + Worker; gate `AdvisoryMergeService` DI registration. |
| `concelier:features:lnmShadowWrites` | `true` | Enables dual-write of linksets while Merge remains active. | Keep enabled throughout Phase 0–1 to validate parity. |
| `concelier:jobs:merge:allowlist` | `[]` | Explicit allowlist for Merge jobs when noMergeEnabled is `false`. | Set to empty during Phase 2+ to prevent accidental restarts. |
| `policy:overlays:requireLinksetEvidence` | `false` | Policy engine safety net to require linkset-backed findings. | Flip to `true` only after cutover (Phase 2). |
> 2025-11-06: WebService now defaults `concelier:features:noMergeEnabled` to `true`, skipping Merge DI registration and removing the `merge:reconcile` job unless operators set the flag to `false` and allowlist the job (MERGE-LNM-21-002).
>
> 2025-11-06: Analyzer `CONCELIER0002` ships with Concelier hosts to block new references to `AdvisoryMergeService` / `AddMergeModule`. Suppressions must be paired with an explicit migration note.
> 2025-11-06: Analyzer coverage validated via unit tests catching object creation, field declarations, `typeof`, and DI extension invocations; merge assemblies remain exempt for legacy cleanup helpers.
> **Configuration hygiene:** Document the toggle values per environment in `ops/devops/configuration/staging.md` and `ops/devops/configuration/production.md`. Air-gapped customers receive defaults through the Offline Kit release notes.
## 3. Rollout phases
| Phase | Goal | Duration | Key actions |
| --- | --- | --- | --- |
| **0 – Preparation** | Ensure readiness | 2–3 days | Finalise prerequisites, snapshot Merge metrics, dry-run backfill scripts in dev. |
| **1 – Shadow / Dual Write** | Validate parity | 5–7 days | Enable `lnmShadowWrites`, keep Merge primary. Compare linkset vs merged outputs using `stella concelier diff-merge --snapshot <date>`; fix discrepancies. |
| **2 – Cutover** | Switch to LNM | 1 day (per env) | Enable `noMergeEnabled`, disable Merge job schedules, update Policy/Export configs, run post-cutover smoke tests. |
| **3 – Harden** | Decommission Merge | 2–3 days | Remove Merge background services, delete `merge_event` retention jobs, clean dashboards, notify operators. |
### 3.1 Environment sequencing
1. **Dev/Test clusters:** Validate all automation. Run full regression suite (`dotnet test src/Concelier/...`).
2. **Staging:** Execute complete backfill (see §4) and collect 24 h of telemetry before sign-off.
3. **Production:** Perform cutover during low-ingest window; communicate via Slack/email + status page two days in advance.
4. **Offline kit:** Package new Observer snapshots with LNM-only data; ensure instructions cover flag toggles for air-gapped deployments.
### 3.2 Smoke test matrix
- `stella concelier status --include linkset` returns healthy and shows zero Merge workers.
- `stella policy evaluate` against sample tenants produces identical findings pre/post cutover.
- Export Center bundle diff shows only expected metadata changes (manifest ID, timestamps).
- Grafana dashboards: `linkset_insert_duration_ms` steady, `merge.identity.conflicts` flatlined.
## 4. Backfill strategy
1. **Freeze Merge writes:** Pause Merge job scheduler (`MergeJobScheduler.PauseAsync`) to prevent new merge events while snapshots are taken.
2. **Generate linkset baseline:** Run `dotnet run --project src/Concelier/StellaOps.Concelier.WebService -- linkset backfill --from 2024-01-01` (or equivalent CLI job) to rebuild linksets from `advisory_raw`. Capture job output artefacts and attach to the sprint issue.
3. **Validate parity:** Use the internal diff tool (`tools/concelier/compare-linkset-merge.ps1`) to compare sample advisories. Any diffs must be triaged before production cutover.
4. **Publish evidence:** For air-gapped tenants, create a one-off Offline Kit slice (`export profile linkset-backfill`) and push to staging mirror.
5. **Tag snapshot:** Record Mongo `oplog` timestamp and S3/object storage manifests in `ops/devops/runbooks/concelier/no-merge.md` (new section) so rollback knows the safe point.
> **Determinism:** rerunning the backfill with identical inputs must produce byte-identical linkset documents. Use the `--verify-determinism` flag where available and archive the checksum report under `artifacts/lnm-backfill/<date>/`.
## 5. Validation gates
- **Metrics:** `linkset_insert_duration_ms`, `linkset_documents_total`, `normalized_version_rules_missing`, `merge.identity.conflicts`.
- Gate: `normalized_version_rules_missing == 0` for 48 h before enabling `noMergeEnabled`.
- **Logs:** Ensure no occurrences of `Fallbacking to merge service` after cutover.
- **Change streams:** Policy and Scheduler should observe only `advisory.linkset.updated` events; monitor for stragglers referencing merge IDs.
- **QA:** Golden tests in `StellaOps.Concelier.Merge.Tests` updated to assert absence of merge outputs, plus integration tests verifying LNM-only exports.
Capture validation evidence in the sprint journal (attach Grafana screenshots + CLI output).
## 6. Rollback plan
1. **Toggle sequence:**
- Set `concelier:features:noMergeEnabled=false`.
- Re-enable Merge job schedules (`concelier:jobs:merge:allowlist=["merge:default"]`).
- Disable `policy:overlays:requireLinksetEvidence`.
2. **Data considerations:**
- Linkset writes continue, so no data is lost; ensure Policy consumers ignore linkset-only fields during rollback window.
- If Merge pipeline was fully removed (Phase 3 complete), redeploy the Merge service container image from the `rollback` tag published before cutover.
3. **Verification:**
- Run `stella concelier status` to confirm Merge workers active.
- Monitor `merge.identity.conflicts` for spikes; if present, roll forward and re-open incident with Architecture guild.
4. **Communication:**
- Post incident note in #release-infra and customer status page.
- Log rollback reason, window, and configs in `ops/devops/incidents/<yyyy-mm-dd>-no-merge.md`.
Rollback window should not exceed 4 hours; beyond that, plan to roll forward with a hotfix rather than reintroducing Merge.
## 7. Documentation & communications
- Update `docs/modules/concelier/architecture.md` appendix to mark Merge deprecated and link back to this playbook.
- Coordinate with Docs guild to publish operator-facing guidance (`docs/releases/2025-q4.md`) and update CLI help text.
- Notify product/CS teams with a short FAQ covering timelines, customer impact, and steps for self-hosted installations.
## 8. Responsibilities matrix
| Area | Lead guild(s) | Supporting |
| --- | --- | --- |
| Feature flags & config | BE-Merge | DevOps |
| Backfill scripting | BE-Merge | Tools |
| Observability dashboards | Observability | QA |
| Offline kit packaging | Export Center | AirGap |
| Customer comms | Docs | Product, Support |
## 9. Deliverables & artefacts
- Config diff per environment (stored in GitOps repo).
- Backfill checksum report (`artifacts/lnm-backfill/<date>/checksums.json`).
- Grafana export (PDF) showing validation metrics.
- QA test run attesting to LNM-only regressions passing.
- Updated runbook entry in `ops/devops/runbooks/concelier/`.
---
## 10. Migration readiness checklist
| Item | Primary owner | Status notes |
| --- | --- | --- |
| Capture Linkset coverage baselines (`version_entries_total`, `missing_version_entries_total`) and archive Grafana export. | Observability Guild | [ ] Pending |
| Stage and verify linkset backfill using `linkset backfill` job; store checksum report under `artifacts/lnm-backfill/<date>/`. | BE-Merge, DevOps Guild | [ ] Pending |
| Confirm feature flags per environment (`noMergeEnabled`, `lnmShadowWrites`, `policy:overlays:requireLinksetEvidence`) match Phase 0–3 plan. | DevOps Guild | [ ] Pending |
| Publish operator comms (status page, Slack/email) with cutover + rollback windows. | Docs Guild, Product | [ ] Pending |
| Execute rollback rehearsal in staging and log results in `ops/devops/incidents/<date>-no-merge.md`. | DevOps Guild, Architecture Guild | [ ] Pending |
> Update the checklist as each item completes; completion of every row is required before moving to Phase 2 (Cutover).
---
With this playbook completed, proceed to MERGE-LNM-21-002 to remove the Merge service code paths and enforce compile-time analyzers that block new merge dependencies.

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# Policy Parity Migration Guide
> **Imposed rule:** Parity runs must use frozen inputs (SBOM, advisories, VEX, reachability, signals) and record hashes; activation is blocked until parity success is attested.
This guide describes how to dual-run old vs new policies and activate only after parity is proven.
## 1. Scope
- Applies to migration from legacy policy engine to SPL/DSL v1.
- Covers dual-run, comparison, rollback, and air-gap parity.
## 2. Dual-run process
1. **Freeze inputs**: snapshot SBOM/advisory/VEX/reachability feeds; record hashes.
2. **Shadow new policy**: run in shadow with same inputs; record findings and explain traces.
3. **Compare**: use `stella policy compare --base <legacy> --candidate <new>` to diff findings (status/severity) and rule hits.
4. **Thresholds**: parity passes when diff counts are zero or within approved budget (`--max-diff`); any status downgrade to `affected` must be reviewed.
5. **Attest**: generate parity report (hashes, diffs, runs) and DSSE-sign it; store in Evidence Locker.
6. **Promote**: activate new policy only after parity attestation verified and approvals captured.
## 3. CLI commands
- `stella policy compare --base policy-legacy@42 --candidate policy-new@3 --inputs frozen.inputs.json --max-diff 0`
- `stella policy parity report --base ... --candidate ... --output parity-report.json --sign`
## 4. Air-gap workflow
- Run compare offline using bundled inputs; export parity report + DSSE; import into Console/Authority when back online.
## 5. Rollback
- Keep legacy policy approved/archivable; rollback with `stella policy activate <legacy>` if parity regression discovered.
## 6. Checklist
- [ ] Inputs frozen and hashed.
- [ ] Shadow runs executed and stored.
- [ ] Diff computed and within budget.
- [ ] Parity report DSSE-signed and stored.
- [ ] Approvals recorded; two-person rule satisfied.
- [ ] Rollback path documented.
## References
- `docs/policy/runtime.md`
- `docs/policy/editor.md`
- `docs/policy/governance.md`
- `docs/policy/overview.md`

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# Security, Risk & Governance
Authoritative sources for threat models, governance, compliance, and security operations.
## Policies & Governance
- [../SECURITY_POLICY.md](../../SECURITY_POLICY.md) – responsible disclosure, support windows.
- [../GOVERNANCE.md](../../GOVERNANCE.md) – project governance charter.
- [../CODE_OF_CONDUCT.md](../../CODE_OF_CONDUCT.md) – community expectations.
- [../SECURITY_HARDENING_GUIDE.md](../../SECURITY_HARDENING_GUIDE.md) – deployment hardening steps.
- [../security/policy-governance.md](../../security/policy-governance.md) – policy governance specifics.
- [../LEGAL_FAQ_QUOTA.md](../../LEGAL_FAQ_QUOTA.md) – legal interpretation of quota.
- [../QUOTA_OVERVIEW.md](../../QUOTA_OVERVIEW.md) – quota policy reference.
- [../risk/risk-profiles.md](../../risk/risk-profiles.md) – organisational risk personas.
## Threat Models & Security Architecture
- [../security/authority-threat-model.md](../../security/authority-threat-model.md) – Authority service threat analysis.
- [../security/authority-scopes.md](../../security/authority-scopes.md) – scope model.
- [../security/console-security.md](../../security/console-security.md) – Console posture guidance.
- [../security/pack-signing-and-rbac.md](../../security/pack-signing-and-rbac.md) – pack signing, RBAC guardrails.
- [../security/policy-governance.md](../../security/policy-governance.md) – policy governance controls.
- [../security/rate-limits.md](../../security/rate-limits.md) – rate limiting behaviour.
- [../security/password-hashing.md](../../security/password-hashing.md) – credential storage.
## Audit, Revocation & Compliance
- [../security/audit-events.md](../../security/audit-events.md) – audit event taxonomy.
- [../security/revocation-bundle.md](../../security/revocation-bundle.md) & [../security/revocation-bundle-example.json](../../security/revocation-bundle-example.json) – revocation process.
- [../license-jwt-quota.md](../../license-jwt-quota.md) – licence/quota enforcement controls.
- [../QUOTA_ENFORCEMENT_FLOW.md](../../QUOTA_ENFORCEMENT_FLOW.md) – quota enforcement sequence.
- [../OFFLINE_KIT.md](../../OFFLINE_KIT.md) – tamper-evident offline artefacts.
- [../security/](../../security/) – browse for additional deep dives (audit, scopes, rate limits).
## Supporting Material
- Module operations security notes: [../../modules/authority/operations/key-rotation.md](../../modules/authority/operations/key-rotation.md), [../../modules/concelier/operations/authority-audit-runbook.md](../../modules/concelier/operations/authority-audit-runbook.md), [../../modules/zastava/README.md](../../modules/zastava/README.md) (runtime enforcement).
- [../observability/policy.md](../../observability/policy.md) – security-relevant telemetry for policy.
- [../implplan/archived/updates/2025-10-27-console-security-signoff.md](../../implplan/archived/updates/2025-10-27-console-security-signoff.md) & [../implplan/archived/updates/2025-10-31-console-security-refresh.md](../../implplan/archived/updates/2025-10-31-console-security-refresh.md) – recent security sign-offs.

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# Determinism Developer Guide
## Overview
This guide helps developers add new determinism tests to StellaOps. Deterministic behavior is critical for:
- Reproducible verdicts
- Auditable evidence chains
- Cryptographic verification
- Cross-platform consistency
## Table of Contents
1. [Core Principles](#core-principles)
2. [Test Structure](#test-structure)
3. [Common Patterns](#common-patterns)
4. [Anti-Patterns to Avoid](#anti-patterns-to-avoid)
5. [Adding New Tests](#adding-new-tests)
6. [Cross-Platform Considerations](#cross-platform-considerations)
7. [Performance Guidelines](#performance-guidelines)
8. [Troubleshooting](#troubleshooting)
## Core Principles
### 1. Determinism Guarantee
**Definition**: Same inputs always produce identical outputs, regardless of:
- Platform (Windows, macOS, Linux, Alpine, Debian)
- Runtime (.NET version, JIT compiler)
- Execution order (parallel vs sequential)
- Time of day
- System locale
### 2. Golden File Philosophy
**Golden files** are baseline reference values that lock in correct behavior:
- Established after careful verification
- Never changed without ADR and migration plan
- Verified on all platforms before acceptance
### 3. Test Independence
Each test must:
- Not depend on other tests' execution or order
- Clean up resources after completion
- Use isolated data (no shared state)
## Test Structure
### Standard Test Template
```csharp
[Fact]
[Trait("Category", TestCategories.Determinism)]
[Trait("Category", TestCategories.Unit)]
public async Task Feature_Behavior_ExpectedOutcome()
{
// Arrange - Create deterministic inputs
var input = CreateDeterministicInput();
// Act - Execute feature
var output1 = await ExecuteFeature(input);
var output2 = await ExecuteFeature(input);
// Assert - Verify determinism
output1.Should().Be(output2, "same input should produce identical output");
}
```
### Test Organization
```
src/__Tests/Determinism/
├── CgsDeterminismTests.cs # CGS hash tests
├── LineageDeterminismTests.cs # SBOM lineage tests
├── VexDeterminismTests.cs # VEX consensus tests (future)
├── README.md # Test documentation
└── Fixtures/ # Test data
├── known-evidence-pack.json
├── known-policy-lock.json
└── golden-hashes/
└── cgs-v1.txt
```
## Common Patterns
### Pattern 1: 10-Iteration Stability Test
**Purpose**: Verify that executing the same operation 10 times produces identical results.
```csharp
[Fact]
[Trait("Category", TestCategories.Determinism)]
public async Task Feature_SameInput_ProducesIdenticalOutput_Across10Iterations()
{
// Arrange
var input = CreateDeterministicInput();
var service = CreateService();
var outputs = new List<string>();
// Act - Execute 10 times
for (int i = 0; i < 10; i++)
{
var result = await service.ProcessAsync(input, CancellationToken.None);
outputs.Add(result.Hash);
_output.WriteLine($"Iteration {i + 1}: {result.Hash}");
}
// Assert - All hashes should be identical
outputs.Distinct().Should().HaveCount(1,
"same input should produce identical output across all iterations");
}
```
**Why 10 iterations?**
- Catches non-deterministic behavior (e.g., GUID generation, random values)
- Reasonable execution time (<5 seconds for most tests)
- Industry standard for determinism verification
### Pattern 2: Golden File Test
**Purpose**: Verify output matches a known-good baseline value.
```csharp
[Fact]
[Trait("Category", TestCategories.Determinism)]
[Trait("Category", TestCategories.Golden)]
public async Task Feature_WithKnownInput_MatchesGoldenHash()
{
// Arrange
var input = CreateKnownInput(); // MUST be completely deterministic
var service = CreateService();
// Act
var result = await service.ProcessAsync(input, CancellationToken.None);
// Assert
var goldenHash = "sha256:d4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3";
_output.WriteLine($"Computed Hash: {result.Hash}");
_output.WriteLine($"Golden Hash: {goldenHash}");
result.Hash.Should().Be(goldenHash, "hash must match golden file");
}
```
**Golden file best practices:**
- Document how golden value was established (date, platform, .NET version)
- Include golden value directly in test code (not external file) for visibility
- Add comment explaining what golden value represents
- Test golden value on all platforms before merging
### Pattern 3: Order Independence Test
**Purpose**: Verify that input ordering doesn't affect output.
```csharp
[Fact]
[Trait("Category", TestCategories.Determinism)]
public async Task Feature_InputOrder_DoesNotAffectOutput()
{
// Arrange
var item1 = CreateItem("A");
var item2 = CreateItem("B");
var item3 = CreateItem("C");
var service = CreateService();
// Act - Process items in different orders
var result1 = await service.ProcessAsync(new[] { item1, item2, item3 }, CancellationToken.None);
var result2 = await service.ProcessAsync(new[] { item3, item1, item2 }, CancellationToken.None);
var result3 = await service.ProcessAsync(new[] { item2, item3, item1 }, CancellationToken.None);
// Assert - All should produce same hash
result1.Hash.Should().Be(result2.Hash, "input order should not affect output");
result1.Hash.Should().Be(result3.Hash, "input order should not affect output");
_output.WriteLine($"Order-independent hash: {result1.Hash}");
}
```
**When to use:**
- Collections that should be sorted internally (VEX documents, rules, dependencies)
- APIs that accept unordered inputs (dictionary keys, sets)
- Parallel processing where order is undefined
### Pattern 4: Deterministic Timestamp Test
**Purpose**: Verify that fixed timestamps produce deterministic results.
```csharp
[Fact]
[Trait("Category", TestCategories.Determinism)]
public async Task Feature_WithFixedTimestamp_IsDeterministic()
{
// Arrange - Use FIXED timestamp (not DateTimeOffset.Now!)
var timestamp = DateTimeOffset.Parse("2025-01-01T00:00:00Z");
var input = CreateInputWithTimestamp(timestamp);
var service = CreateService();
// Act
var result1 = await service.ProcessAsync(input, CancellationToken.None);
var result2 = await service.ProcessAsync(input, CancellationToken.None);
// Assert
result1.Hash.Should().Be(result2.Hash, "fixed timestamp should produce deterministic output");
}
```
**Timestamp guidelines:**
- ❌ **Never use**: `DateTimeOffset.Now`, `DateTime.UtcNow`, `Guid.NewGuid()`
- ✅ **Always use**: `DateTimeOffset.Parse("2025-01-01T00:00:00Z")` for tests
### Pattern 5: Empty/Minimal Input Test
**Purpose**: Verify that minimal or empty inputs don't cause non-determinism.
```csharp
[Fact]
[Trait("Category", TestCategories.Determinism)]
public async Task Feature_EmptyInput_ProducesDeterministicHash()
{
// Arrange - Minimal input
var input = CreateEmptyInput();
var service = CreateService();
// Act
var result = await service.ProcessAsync(input, CancellationToken.None);
// Assert - Verify format (hash may not be golden yet)
result.Hash.Should().StartWith("sha256:");
result.Hash.Length.Should().Be(71); // "sha256:" + 64 hex chars
_output.WriteLine($"Empty input hash: {result.Hash}");
}
```
**Edge cases to test:**
- Empty collections (`Array.Empty<string>()`)
- Null optional fields
- Zero-length strings
- Default values
## Anti-Patterns to Avoid
### ❌ Anti-Pattern 1: Using Current Time
```csharp
// BAD - Non-deterministic!
var input = new Input
{
Timestamp = DateTimeOffset.Now // ❌ Different every run!
};
```
**Fix:**
```csharp
// GOOD - Deterministic
var input = new Input
{
Timestamp = DateTimeOffset.Parse("2025-01-01T00:00:00Z") // ✅ Same every run
};
```
### ❌ Anti-Pattern 2: Using Random Values
```csharp
// BAD - Non-deterministic!
var random = new Random();
var input = new Input
{
Id = random.Next() // ❌ Different every run!
};
```
**Fix:**
```csharp
// GOOD - Deterministic
var input = new Input
{
Id = 12345 // ✅ Same every run
};
```
### ❌ Anti-Pattern 3: Using GUID Generation
```csharp
// BAD - Non-deterministic!
var input = new Input
{
Id = Guid.NewGuid().ToString() // ❌ Different every run!
};
```
**Fix:**
```csharp
// GOOD - Deterministic
var input = new Input
{
Id = "00000000-0000-0000-0000-000000000001" // ✅ Same every run
};
```
### ❌ Anti-Pattern 4: Using Unordered Collections
```csharp
// BAD - Dictionary iteration order is NOT guaranteed!
var dict = new Dictionary<string, string>
{
["key1"] = "value1",
["key2"] = "value2"
};
foreach (var kvp in dict) // ❌ Order may vary!
{
hash.Update(kvp.Key);
}
```
**Fix:**
```csharp
// GOOD - Explicit ordering
var dict = new Dictionary<string, string>
{
["key1"] = "value1",
["key2"] = "value2"
};
foreach (var kvp in dict.OrderBy(x => x.Key, StringComparer.Ordinal)) // ✅ Consistent order
{
hash.Update(kvp.Key);
}
```
### ❌ Anti-Pattern 5: Platform-Specific Paths
```csharp
// BAD - Platform-specific!
var path = "dir\\file.txt"; // ❌ Windows-only!
```
**Fix:**
```csharp
// GOOD - Cross-platform
var path = Path.Combine("dir", "file.txt"); // ✅ Works everywhere
```
### ❌ Anti-Pattern 6: Culture-Dependent Formatting
```csharp
// BAD - Culture-dependent!
var formatted = value.ToString(); // ❌ Locale-specific!
```
**Fix:**
```csharp
// GOOD - Culture-invariant
var formatted = value.ToString(CultureInfo.InvariantCulture); // ✅ Same everywhere
```
## Adding New Tests
### Step 1: Identify Determinism Requirement
**Ask yourself:**
- Does this feature produce a hash, signature, or cryptographic output?
- Will this feature's output be stored and verified later?
- Does this feature need to be reproducible across platforms?
- Is this feature part of an audit trail?
If **YES** to any → Add determinism test.
### Step 2: Create Test File
```bash
cd src/__Tests/Determinism
touch MyFeatureDeterminismTests.cs
```
### Step 3: Write Test Class
```csharp
using FluentAssertions;
using StellaOps.TestKit;
using Xunit;
using Xunit.Abstractions;
namespace StellaOps.Tests.Determinism;
/// <summary>
/// Determinism tests for [Feature Name].
/// Verifies that [specific behavior] is deterministic across platforms and runs.
/// </summary>
[Trait("Category", TestCategories.Determinism)]
[Trait("Category", TestCategories.Unit)]
public sealed class MyFeatureDeterminismTests
{
private readonly ITestOutputHelper _output;
public MyFeatureDeterminismTests(ITestOutputHelper output)
{
_output = output;
}
[Fact]
public async Task MyFeature_SameInput_ProducesIdenticalOutput_Across10Iterations()
{
// Arrange
var input = CreateDeterministicInput();
var service = CreateMyFeatureService();
var outputs = new List<string>();
// Act - Execute 10 times
for (int i = 0; i < 10; i++)
{
var result = await service.ProcessAsync(input, CancellationToken.None);
outputs.Add(result.Hash);
_output.WriteLine($"Iteration {i + 1}: {result.Hash}");
}
// Assert - All hashes should be identical
outputs.Distinct().Should().HaveCount(1,
"same input should produce identical output across all iterations");
}
#region Helper Methods
private static MyInput CreateDeterministicInput()
{
return new MyInput
{
// ✅ Use fixed values
Id = "test-001",
Timestamp = DateTimeOffset.Parse("2025-01-01T00:00:00Z"),
Data = new[] { "item1", "item2", "item3" }
};
}
private static MyFeatureService CreateMyFeatureService()
{
return new MyFeatureService(NullLogger<MyFeatureService>.Instance);
}
#endregion
}
```
### Step 4: Run Test Locally 10 Times
```bash
for i in {1..10}; do
echo "=== Run $i ==="
dotnet test --filter "FullyQualifiedName~MyFeature_SameInput_ProducesIdenticalOutput_Across10Iterations"
done
```
**Expected:** All 10 runs pass with identical output.
### Step 5: Add to CI/CD
Test is automatically included when pushed (no configuration needed).
CI/CD workflow `.gitea/workflows/cross-platform-determinism.yml` runs all `Category=Determinism` tests on 5 platforms.
### Step 6: Document in README
Update `src/__Tests/Determinism/README.md`:
```markdown
### MyFeature Determinism
Tests that verify [feature] hash computation is deterministic:
- **10-Iteration Stability**: Same input produces identical hash 10 times
- **Order Independence**: Input ordering doesn't affect hash
- **Empty Input**: Minimal input produces deterministic hash
```
## Cross-Platform Considerations
### Platform Matrix
Tests run on:
- **Windows** (windows-latest): glibc, CRLF line endings
- **macOS** (macos-latest): BSD libc, LF line endings
- **Linux Ubuntu** (ubuntu-latest): glibc, LF line endings
- **Linux Alpine** (Alpine Docker): musl libc, LF line endings
- **Linux Debian** (Debian Docker): glibc, LF line endings
### Common Cross-Platform Issues
#### Issue 1: String Sorting (musl vs glibc)
**Symptom**: Alpine produces different hash than Ubuntu.
**Cause**: `musl` libc has different `strcoll` implementation than `glibc`.
**Solution**: Always use `StringComparer.Ordinal` for sorting:
```csharp
// ❌ Wrong - Platform-dependent sorting
items.Sort();
// ✅ Correct - Culture-invariant sorting
items = items.OrderBy(x => x, StringComparer.Ordinal).ToList();
```
#### Issue 2: Path Separators
**Symptom**: Windows produces different hash than macOS/Linux.
**Cause**: Windows uses `\`, Unix uses `/`.
**Solution**: Use `Path.Combine` or normalize:
```csharp
// ❌ Wrong - Hardcoded separator
var path = "dir\\file.txt";
// ✅ Correct - Cross-platform
var path = Path.Combine("dir", "file.txt");
// ✅ Alternative - Normalize to forward slash
var normalizedPath = path.Replace('\\', '/');
```
#### Issue 3: Line Endings
**Symptom**: Hash includes file content with different line endings.
**Cause**: Windows uses CRLF (`\r\n`), Unix uses LF (`\n`).
**Solution**: Normalize to LF:
```csharp
// ❌ Wrong - Platform line endings
var content = File.ReadAllText(path);
// ✅ Correct - Normalized to LF
var content = File.ReadAllText(path).Replace("\r\n", "\n");
```
#### Issue 4: Floating-Point Precision
**Symptom**: Different platforms produce slightly different floating-point values.
**Cause**: JIT compiler optimizations, FPU rounding modes.
**Solution**: Use `decimal` for exact arithmetic, or round explicitly:
```csharp
// ❌ Wrong - Floating-point non-determinism
var value = 0.1 + 0.2; // Might be 0.30000000000000004
// ✅ Correct - Decimal for exact values
var value = 0.1m + 0.2m; // Always 0.3
// ✅ Alternative - Round explicitly
var value = Math.Round(0.1 + 0.2, 2); // 0.30
```
## Performance Guidelines
### Execution Time Targets
| Test Type | Target | Max |
|-----------|--------|-----|
| Single iteration | <100ms | <500ms |
| 10-iteration stability | <1s | <3s |
| Golden file test | <100ms | <500ms |
| **Full test suite** | **<5s** | **<15s** |
### Optimization Tips
1. **Avoid unnecessary I/O**: Create test data in memory
2. **Use Task.CompletedTask**: For synchronous operations
3. **Minimize allocations**: Reuse test data across assertions
4. **Parallel test execution**: xUnit runs tests in parallel by default
### Performance Regression Detection
If test execution time increases by >2x:
1. Profile with `dotnet-trace` or BenchmarkDotNet
2. Identify bottleneck (I/O, CPU, memory)
3. Optimize or split into separate test
4. Document performance expectations in test comments
## Troubleshooting
### Problem: Test Passes 9/10 Times, Fails 1/10
**Cause**: Non-deterministic input or race condition.
**Debug Steps:**
1. Add logging to each iteration:
```csharp
_output.WriteLine($"Iteration {i}: Input={JsonSerializer.Serialize(input)}, Output={output}");
```
2. Look for differences in input or output
3. Check for `Guid.NewGuid()`, `Random`, `DateTimeOffset.Now`
4. Check for unsynchronized parallel operations
### Problem: Test Fails on Alpine but Passes Elsewhere
**Cause**: musl libc vs glibc difference.
**Debug Steps:**
1. Run test locally with Alpine Docker:
```bash
docker run -it --rm -v $(pwd):/app mcr.microsoft.com/dotnet/sdk:10.0-alpine sh
cd /app
dotnet test --filter "FullyQualifiedName~MyTest"
```
2. Compare output with local (glibc) output
3. Check for string sorting, culture-dependent formatting
4. Use `StringComparer.Ordinal` and `CultureInfo.InvariantCulture`
### Problem: Golden Hash Changes After .NET Upgrade
**Cause**: .NET runtime change in JSON serialization or hash algorithm.
**Debug Steps:**
1. Compare .NET versions:
```bash
dotnet --version # Should be same in CI/CD
```
2. Check JsonSerializer behavior:
```csharp
var json1 = JsonSerializer.Serialize(input, options);
var json2 = JsonSerializer.Serialize(input, options);
json1.Should().Be(json2);
```
3. If intentional .NET change, follow [Breaking Change Process](./GOLDEN_FILE_ESTABLISHMENT_GUIDE.md#breaking-change-process)
## References
- **Test README**: `src/__Tests/Determinism/README.md`
- **Golden File Guide**: `docs/implplan/archived/2025-12-29-completed-sprints/GOLDEN_FILE_ESTABLISHMENT_GUIDE.md`
- **ADR 0042**: CGS Merkle Tree Implementation
- **ADR 0043**: Fulcio Keyless Signing
- **CI/CD Workflow**: `.gitea/workflows/cross-platform-determinism.yml`
## Getting Help
- **Slack**: #determinism-testing
- **Issue Label**: `determinism`, `testing`
- **Priority**: High (determinism bugs affect audit trails)

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# Local CI Testing Guide
> Run CI/CD pipelines locally before pushing to verify your changes.
---
## Quick Start
### Prerequisites
- **Docker Desktop** (Windows/macOS) or Docker Engine (Linux)
- **.NET 10 SDK** ([download](https://dot.net/download))
- **Git**
- **Bash** (Linux/macOS native, Windows via WSL2 or Git Bash)
- **act** (optional, for workflow simulation) - [install](https://github.com/nektos/act)
### Installation
1. **Copy environment template:**
```bash
cp devops/ci-local/.env.local.sample devops/ci-local/.env.local
```
2. **(Optional) Install act for workflow simulation:**
```bash
# macOS
brew install act
# Linux
curl -sSL https://raw.githubusercontent.com/nektos/act/master/install.sh | sudo bash
# Windows (via Chocolatey)
choco install act-cli
```
3. **(Optional) Build CI Docker image:**
```bash
docker build -t stellaops-ci:local -f devops/docker/Dockerfile.ci .
```
---
## Usage
### Basic Commands
```bash
# Quick smoke test (~2 min)
./devops/scripts/local-ci.sh smoke
# Smoke steps (isolate build vs unit tests)
./devops/scripts/local-ci.sh smoke --smoke-step build
./devops/scripts/local-ci.sh smoke --smoke-step unit
./devops/scripts/local-ci.sh smoke --smoke-step unit-split
./devops/scripts/local-ci.sh smoke --smoke-step unit-split --test-timeout 5m --progress-interval 60
./devops/scripts/local-ci.sh smoke --smoke-step unit-split --project-start 1 --project-count 50
# Full PR-gating suite (~15 min)
./devops/scripts/local-ci.sh pr
# Test specific module
./devops/scripts/local-ci.sh module --module Scanner
# Auto-detect changed modules
./devops/scripts/local-ci.sh module
# Simulate workflow
./devops/scripts/local-ci.sh workflow --workflow test-matrix
# Release dry-run
./devops/scripts/local-ci.sh release --dry-run
# Full test suite (~45 min)
./devops/scripts/local-ci.sh full
```
### Windows (PowerShell)
```powershell
# Quick smoke test
.\devops\scripts\local-ci.ps1 smoke
# Smoke steps (isolate build vs unit tests)
.\devops\scripts\local-ci.ps1 smoke -SmokeStep build
.\devops\scripts\local-ci.ps1 smoke -SmokeStep unit
.\devops\scripts\local-ci.ps1 smoke -SmokeStep unit-split
.\devops\scripts\local-ci.ps1 smoke -SmokeStep unit-split -TestTimeout 5m -ProgressInterval 60
.\devops\scripts\local-ci.ps1 smoke -SmokeStep unit-split -ProjectStart 1 -ProjectCount 50
# Full PR check
.\devops\scripts\local-ci.ps1 pr
# With options
.\devops\scripts\local-ci.ps1 pr -Verbose -Docker
```
---
## Modes
### smoke (~2 minutes)
Quick validation before pushing. Runs only Unit tests.
```bash
./devops/scripts/local-ci.sh smoke
```
Optional stepwise smoke (to isolate hangs):
```bash
./devops/scripts/local-ci.sh smoke --smoke-step build
./devops/scripts/local-ci.sh smoke --smoke-step unit
./devops/scripts/local-ci.sh smoke --smoke-step unit-split
```
**What it does:**
1. Builds the solution
2. Runs Unit tests
3. Reports pass/fail
### pr (~15 minutes)
Full PR-gating suite matching CI exactly. Run this before opening a PR.
```bash
./devops/scripts/local-ci.sh pr
```
**What it does:**
1. Starts CI services (PostgreSQL, Valkey)
2. Builds with warnings-as-errors
3. Runs all PR-gating categories:
- Unit
- Architecture
- Contract
- Integration
- Security
- Golden
4. Generates TRX reports
5. Stops CI services
### module
Test only the modules you've changed. Detects changes via git diff.
```bash
# Auto-detect changed modules
./devops/scripts/local-ci.sh module
# Test specific module
./devops/scripts/local-ci.sh module --module Scanner
./devops/scripts/local-ci.sh module --module Concelier
./devops/scripts/local-ci.sh module --module Authority
```
**Available modules:**
Scanner, Concelier, Authority, Policy, Attestor, EvidenceLocker, ExportCenter,
Findings, SbomService, Notify, Router, Cryptography, AirGap, Cli, AdvisoryAI,
ReachGraph, Orchestrator, PacksRegistry, Replay, Aoc, IssuerDirectory, Telemetry, Signals
### workflow
Simulate a specific Gitea Actions workflow using `act`.
```bash
# Simulate test-matrix workflow
./devops/scripts/local-ci.sh workflow --workflow test-matrix
# Simulate build-test-deploy
./devops/scripts/local-ci.sh workflow --workflow build-test-deploy
```
**Requirements:**
- `act` must be installed
- CI Docker image built (`stellaops-ci:local`)
### release
Dry-run release pipeline to verify release artifacts.
```bash
./devops/scripts/local-ci.sh release --dry-run
```
**What it does:**
1. Builds all modules
2. Validates CLI packaging
3. Validates Helm chart
4. Shows what would be released
5. **Does NOT publish anything**
### full (~45 minutes)
Complete test suite including extended categories.
```bash
./devops/scripts/local-ci.sh full
```
**Categories run:**
- PR-Gating: Unit, Architecture, Contract, Integration, Security, Golden
- Extended: Performance, Benchmark, AirGap, Chaos, Determinism, Resilience, Observability
---
## Options
| Option | Description |
|--------|-------------|
| `--category <cat>` | Run specific test category |
| `--module <name>` | Test specific module |
| `--workflow <name>` | Workflow to simulate |
| `--smoke-step <step>` | Smoke step: build, unit, unit-split |
| `--test-timeout <t>` | Per-test timeout (e.g., 5m) using --blame-hang |
| `--progress-interval <s>` | Progress heartbeat in seconds |
| `--project-start <n>` | Start index (1-based) for unit-split slicing |
| `--project-count <n>` | Limit number of projects for unit-split slicing |
| `--docker` | Force Docker execution |
| `--native` | Force native execution |
| `--act` | Force act execution |
| `--parallel <n>` | Parallel test runners |
| `--verbose` | Verbose output |
| `--dry-run` | Show what would run |
| `--rebuild` | Force rebuild CI image |
| `--no-services` | Skip CI services |
| `--keep-services` | Keep services running after tests |
---
## Test Categories
### PR-Gating (Required for merge)
| Category | Purpose | Time |
|----------|---------|------|
| **Unit** | Component isolation tests | ~3 min |
| **Architecture** | Dependency rules | ~2 min |
| **Contract** | API compatibility | ~2 min |
| **Integration** | Database/service tests | ~8 min |
| **Security** | Security assertions | ~3 min |
| **Golden** | Corpus-based validation | ~3 min |
### Extended (On-demand)
| Category | Purpose | Time |
|----------|---------|------|
| **Performance** | Latency/throughput | ~20 min |
| **Benchmark** | BenchmarkDotNet | ~30 min |
| **Determinism** | Reproducibility | ~15 min |
| **AirGap** | Offline operation | ~15 min |
| **Chaos** | Resilience testing | ~20 min |
---
## CI Services
The local CI uses Docker Compose to run required services.
### Services Started
| Service | Port | Purpose |
|---------|------|---------|
| postgres-ci | 5433 | PostgreSQL 16 for tests |
| valkey-ci | 6380 | Cache/messaging tests |
| nats-ci | 4223 | Message queue tests |
| mock-registry | 5001 | Container registry |
| minio-ci | 9100 | S3-compatible storage |
### Manual Service Management
```bash
# Start services
docker compose -f devops/compose/docker-compose.ci.yaml up -d
# Check status
docker compose -f devops/compose/docker-compose.ci.yaml ps
# View logs
docker compose -f devops/compose/docker-compose.ci.yaml logs postgres-ci
# Stop services
docker compose -f devops/compose/docker-compose.ci.yaml down
# Stop and remove volumes
docker compose -f devops/compose/docker-compose.ci.yaml down -v
```
---
## Configuration
### Environment Variables
Copy the template and customize:
```bash
cp devops/ci-local/.env.local.sample devops/ci-local/.env.local
```
Key variables:
```bash
# Database
STELLAOPS_TEST_POSTGRES_CONNECTION="Host=localhost;Port=5433;..."
# Cache
VALKEY_CONNECTION_STRING="localhost:6380"
# Execution
LOCAL_CI_MODE=docker # docker, native, act
LOCAL_CI_PARALLEL=4 # Parallel jobs
LOCAL_CI_VERBOSE=false # Verbose output
```
### Act Configuration
The `.actrc` file configures `act` for workflow simulation:
```ini
--platform ubuntu-22.04=stellaops-ci:local
--env-file devops/ci-local/.env.local
--bind
--reuse
```
---
## Offline & Cache
Local CI can run in offline or rate-limited environments. These steps help ensure reliable builds.
### NuGet Cache Warmup
Before running tests offline or during rate-limited periods, warm the NuGet cache:
```bash
# Warm cache with throttled requests to avoid 429 errors
export NUGET_MAX_HTTP_REQUESTS=4
dotnet restore src/StellaOps.sln --disable-parallel
# Verify cache is populated
ls ~/.nuget/packages | wc -l
```
```powershell
# PowerShell equivalent
$env:NUGET_MAX_HTTP_REQUESTS = "4"
dotnet restore src\StellaOps.sln --disable-parallel
# Verify cache
(Get-ChildItem "$env:USERPROFILE\.nuget\packages").Count
```
### Rate Limiting Mitigation
If encountering NuGet 429 (Too Many Requests) errors from package sources:
1. **Reduce concurrency:**
```bash
export NUGET_MAX_HTTP_REQUESTS=2
dotnet restore --disable-parallel
```
2. **Retry off-peak hours** (avoid UTC 09:00-17:00 on weekdays)
3. **Use local cache fallback:**
```bash
# Configure fallback to local cache only (offline mode)
dotnet restore --source ~/.nuget/packages
```
### Docker Image Caching
Pre-pull required CI images to avoid network dependency during tests:
```bash
# Pull CI services
docker compose -f devops/compose/docker-compose.ci.yaml pull
# Build local CI image
docker build -t stellaops-ci:local -f devops/docker/Dockerfile.ci .
# Verify images are cached
docker images | grep -E "stellaops|postgres|valkey|nats"
```
### Offline-Safe Test Execution
For fully offline validation:
```bash
# 1. Ensure NuGet cache is warm (see above)
# 2. Start local CI services (pre-pulled)
docker compose -f devops/compose/docker-compose.ci.yaml up -d
# 3. Run smoke with no network dependency
./devops/scripts/local-ci.sh smoke --no-restore
# 4. Or run specific category offline
dotnet test src/StellaOps.sln \
--filter "Category=Unit" \
--no-restore \
--no-build
```
### Test Fixtures for Air-Gap
Some tests require fixture data that must be present locally:
| Fixture | Location | Purpose |
|---------|----------|---------|
| Golden bundles | `src/__Tests/__Datasets/EvidenceLocker/` | Evidence locker tests |
| Reachability fixtures | `src/tests/reachability/` | Reachability drift tests |
| Connector snapshots | `src/<Module>/__Tests/**/Fixtures/` | Connector replay tests |
To verify fixtures are present:
```bash
find src -type d -name "Fixtures" | head -20
```
---
## Troubleshooting
### Docker Issues
```bash
# Reset CI services
docker compose -f devops/compose/docker-compose.ci.yaml down -v
# Rebuild CI image
docker build --no-cache -t stellaops-ci:local -f devops/docker/Dockerfile.ci .
# Check Docker is running
docker info
```
### Test Failures
```bash
# Run with verbose output
./devops/scripts/local-ci.sh pr --verbose
# Run specific category
./devops/scripts/local-ci.sh pr --category Unit
# Check logs
cat out/local-ci/logs/Unit-*.log
# Check current test project during unit-split
cat out/local-ci/active-test.txt
```
### Act Issues
```bash
# List available workflows
act -l
# Dry run workflow
act -n pull_request -W .gitea/workflows/test-matrix.yml
# Debug mode
act --verbose pull_request
```
### Windows Issues
```powershell
# Check WSL is installed
wsl --status
# Install WSL if needed
wsl --install
# Check Git Bash
& "C:\Program Files\Git\bin\bash.exe" --version
```
---
## Results
Test results are saved to `out/local-ci/`:
```
out/local-ci/
├── trx/ # TRX test reports
│ ├── Unit-20250128_120000.trx
│ ├── Integration-20250128_120000.trx
│ └── ...
└── logs/ # Execution logs
├── Unit-20250128_120000.log
└── ...
```
### Viewing Results
```bash
# List TRX files
ls -la out/local-ci/trx/
# View test log
cat out/local-ci/logs/Unit-*.log | less
```
---
## Examples
### Pre-Push Workflow
```bash
# 1. Quick validation
./devops/scripts/local-ci.sh smoke
# 2. If smoke passes, run full PR check
./devops/scripts/local-ci.sh pr
# 3. Push your changes
git push origin feature/my-branch
```
### Module Development
```bash
# 1. Make changes to Scanner module
# 2. Run module-specific tests
./devops/scripts/local-ci.sh module --module Scanner
# 3. If passes, run full PR check before PR
./devops/scripts/local-ci.sh pr
```
### Debugging Test Failures
```bash
# 1. Run with verbose output
./devops/scripts/local-ci.sh pr --verbose --category Unit
# 2. Check the log
cat out/local-ci/logs/Unit-*.log
# 3. Run specific test directly
dotnet test src/Scanner/__Tests/StellaOps.Scanner.Tests/StellaOps.Scanner.Tests.csproj \
--filter "Category=Unit" \
--verbosity detailed
```
---
## Related Documentation
- [CI/CD Overview](../cicd/README.md)
- [Test Strategy](../cicd/test-strategy.md)
- [Workflow Triggers](../cicd/workflow-triggers.md)
- [Path Filters](../cicd/path-filters.md)

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# Performance Baselines - Determinism Tests
## Overview
This document tracks performance baselines for determinism tests. Baselines help detect performance regressions and ensure tests remain fast for rapid CI/CD feedback.
**Last Updated**: 2025-12-29
**.NET Version**: 10.0.100
**Hardware Reference**: GitHub Actions runners (windows-latest, ubuntu-latest, macos-latest)
## Baseline Metrics
### CGS (Canonical Graph Signature) Tests
**File**: `src/__Tests/Determinism/CgsDeterminismTests.cs`
| Test | Windows | macOS | Linux | Alpine | Debian | Notes |
|------|---------|-------|-------|--------|--------|-------|
| `CgsHash_WithKnownEvidence_MatchesGoldenHash` | 87ms | 92ms | 85ms | 135ms | 89ms | Single verdict build |
| `CgsHash_EmptyEvidence_ProducesDeterministicHash` | 45ms | 48ms | 43ms | 68ms | 46ms | Minimal evidence pack |
| `CgsHash_SameInput_ProducesIdenticalHash_Across10Iterations` | 850ms | 920ms | 830ms | 1,350ms | 870ms | 10 iterations |
| `CgsHash_VexOrderIndependent_ProducesIdenticalHash` | 165ms | 178ms | 162ms | 254ms | 169ms | 3 evidence packs |
| `CgsHash_WithReachability_IsDifferentFromWithout` | 112ms | 121ms | 109ms | 172ms | 115ms | 2 evidence packs |
| `CgsHash_DifferentPolicyVersion_ProducesDifferentHash` | 108ms | 117ms | 105ms | 165ms | 110ms | 2 evidence packs |
| **Total Suite** | **1,367ms** | **1,476ms** | **1,334ms** | **2,144ms** | **1,399ms** | All tests |
**Regression Threshold**: If any test exceeds baseline by >2x, investigate.
### SBOM Lineage Tests
**File**: `src/SbomService/__Tests/StellaOps.SbomService.Lineage.Tests/LineageDeterminismTests.cs`
| Test | Windows | macOS | Linux | Alpine | Debian | Notes |
|------|---------|-------|-------|--------|--------|-------|
| `LineageExport_SameGraph_ProducesIdenticalNdjson_Across10Iterations` | 920ms | 995ms | 895ms | 1,420ms | 935ms | 10 iterations |
| `LineageGraph_WithCycles_DetectsDeterministically` | 245ms | 265ms | 238ms | 378ms | 248ms | 1,000 node graph |
| `LineageGraph_LargeGraph_PaginatesDeterministically` | 485ms | 525ms | 472ms | 748ms | 492ms | 10,000 node graph |
| **Total Suite** | **1,650ms** | **1,785ms** | **1,605ms** | **2,546ms** | **1,675ms** | All tests |
### VexLens Truth Table Tests
**File**: `src/VexLens/__Tests/StellaOps.VexLens.Tests/Consensus/VexLensTruthTableTests.cs`
| Test | Windows | macOS | Linux | Alpine | Debian | Notes |
|------|---------|-------|-------|--------|--------|-------|
| `SingleIssuer_ReturnsIdentity` (5 cases) | 125ms | 135ms | 122ms | 192ms | 127ms | TheoryData |
| `TwoIssuers_SameTier_MergesCorrectly` (9 cases) | 225ms | 243ms | 219ms | 347ms | 228ms | TheoryData |
| `TrustTier_PrecedenceApplied` (3 cases) | 75ms | 81ms | 73ms | 115ms | 76ms | TheoryData |
| `SameInputs_ProducesIdenticalOutput_Across10Iterations` | 485ms | 524ms | 473ms | 748ms | 493ms | 10 iterations |
| `VexOrder_DoesNotAffectConsensus` | 95ms | 103ms | 92ms | 146ms | 96ms | 3 orderings |
| **Total Suite** | **1,005ms** | **1,086ms** | **979ms** | **1,548ms** | **1,020ms** | All tests |
### Scheduler Resilience Tests
**File**: `src/Scheduler/__Tests/StellaOps.Scheduler.Tests/`
| Test | Windows | macOS | Linux | Alpine | Debian | Notes |
|------|---------|-------|-------|--------|--------|-------|
| `IdempotentKey_PreventsDuplicateExecution` | 1,250ms | 1,350ms | 1,225ms | 1,940ms | 1,275ms | 10 jobs, Testcontainers |
| `WorkerKilledMidRun_JobRecoveredByAnotherWorker` | 5,500ms | 5,950ms | 5,375ms | 8,515ms | 5,605ms | Chaos test, heartbeat timeout |
| `HighLoad_AppliesBackpressureCorrectly` | 12,000ms | 12,980ms | 11,720ms | 18,575ms | 12,220ms | 1,000 jobs, concurrency limit |
| **Total Suite** | **18,750ms** | **20,280ms** | **18,320ms** | **29,030ms** | **19,100ms** | All tests |
**Note**: Scheduler tests use Testcontainers (PostgreSQL), adding ~2s startup overhead.
## Platform Comparison
### Average Speed Factor (relative to Linux Ubuntu)
| Platform | Speed Factor | Notes |
|----------|--------------|-------|
| Linux Ubuntu | 1.00x | Baseline (fastest) |
| Windows | 1.02x | ~2% slower |
| macOS | 1.10x | ~10% slower |
| Debian | 1.05x | ~5% slower |
| Alpine | 1.60x | ~60% slower (musl libc overhead) |
**Alpine Performance**: Alpine is consistently ~60% slower due to musl libc differences. This is expected and acceptable.
## Historical Trends
### 2025-12-29 (Baseline Establishment)
- **.NET Version**: 10.0.100
- **Total Tests**: 79
- **Total Execution Time**: ~25 seconds (all platforms, sequential)
- **Status**: ✅ All tests passing
**Key Metrics**:
- CGS determinism tests: <3s per platform
- Lineage determinism tests: <3s per platform
- VexLens truth tables: <2s per platform
- Scheduler resilience: <30s per platform (includes Testcontainers overhead)
## Regression Detection
### Automated Monitoring
CI/CD workflow `.gitea/workflows/cross-platform-determinism.yml` tracks execution time and fails if:
```yaml
- name: Check for performance regression
run: |
# Fail if CGS test suite exceeds 3 seconds on Linux
if [ $CGS_SUITE_TIME_MS -gt 3000 ]; then
echo "ERROR: CGS test suite exceeded 3s baseline (${CGS_SUITE_TIME_MS}ms)"
exit 1
fi
# Fail if Alpine is >3x slower than Linux (expected is ~1.6x)
ALPINE_FACTOR=$(echo "$ALPINE_TIME_MS / $LINUX_TIME_MS" | bc -l)
if (( $(echo "$ALPINE_FACTOR > 3.0" | bc -l) )); then
echo "ERROR: Alpine is >3x slower than Linux (factor: $ALPINE_FACTOR)"
exit 1
fi
```
### Manual Benchmarking
Run benchmarks locally to compare before/after changes:
```bash
cd src/__Tests/Determinism
# Run with detailed timing
dotnet test --logger "console;verbosity=detailed" | tee benchmark-$(date +%Y%m%d).log
# Extract timing
grep -E "Test Name:|Duration:" benchmark-*.log
```
**Example Output**:
```
Test Name: CgsHash_WithKnownEvidence_MatchesGoldenHash
Duration: 87ms
Test Name: CgsHash_SameInput_ProducesIdenticalHash_Across10Iterations
Duration: 850ms
```
### BenchmarkDotNet Integration (Future)
For precise micro-benchmarks:
```csharp
// src/__Tests/__Benchmarks/CgsHashBenchmarks.cs
[MemoryDiagnoser]
[MarkdownExporter]
public class CgsHashBenchmarks
{
[Benchmark]
public string ComputeCgsHash_SmallEvidence()
{
var evidence = CreateSmallEvidencePack();
var policyLock = CreatePolicyLock();
var service = new VerdictBuilderService(NullLogger.Instance);
return service.ComputeCgsHash(evidence, policyLock);
}
[Benchmark]
public string ComputeCgsHash_LargeEvidence()
{
var evidence = CreateLargeEvidencePack(); // 100 VEX documents
var policyLock = CreatePolicyLock();
var service = new VerdictBuilderService(NullLogger.Instance);
return service.ComputeCgsHash(evidence, policyLock);
}
}
```
**Run**:
```bash
dotnet run -c Release --project src/__Tests/__Benchmarks/StellaOps.Benchmarks.Determinism.csproj
```
## Optimization Strategies
### Strategy 1: Reduce Allocations
**Before**:
```csharp
for (int i = 0; i < 10; i++)
{
var leaves = new List<string>(); // ❌ Allocates every iteration
leaves.Add(ComputeHash(input));
}
```
**After**:
```csharp
var leaves = new List<string>(capacity: 10); // ✅ Pre-allocate
for (int i = 0; i < 10; i++)
{
leaves.Clear();
leaves.Add(ComputeHash(input));
}
```
### Strategy 2: Use Span<T> for Hashing
**Before**:
```csharp
var bytes = Encoding.UTF8.GetBytes(input); // ❌ Allocates byte array
var hash = SHA256.HashData(bytes);
```
**After**:
```csharp
Span<byte> buffer = stackalloc byte[256]; // ✅ Stack allocation
var bytesWritten = Encoding.UTF8.GetBytes(input, buffer);
var hash = SHA256.HashData(buffer[..bytesWritten]);
```
### Strategy 3: Cache Expensive Computations
**Before**:
```csharp
[Fact]
public void Test()
{
var service = CreateService(); // ❌ Recreates every test
// ...
}
```
**After**:
```csharp
private readonly MyService _service; // ✅ Reuse across tests
public MyTests()
{
_service = CreateService();
}
```
### Strategy 4: Parallel Test Execution
xUnit runs tests in parallel by default. To disable for specific tests:
```csharp
[Collection("Sequential")] // Disable parallelism
public class MySlowTests
{
// Tests run sequentially within this class
}
```
## Performance Regression Examples
### Example 1: Unexpected Allocations
**Symptom**: Test time increased from 85ms to 450ms after refactoring.
**Cause**: Accidental string concatenation in loop:
```csharp
// Before: 85ms
var hash = string.Join("", hashes);
// After: 450ms (BUG!)
var result = "";
foreach (var h in hashes)
{
result += h; // ❌ Creates new string every iteration!
}
```
**Fix**: Use `StringBuilder`:
```csharp
var sb = new StringBuilder();
foreach (var h in hashes)
{
sb.Append(h); // ✅ Efficient
}
var result = sb.ToString();
```
### Example 2: Excessive I/O
**Symptom**: Test time increased from 100ms to 2,500ms.
**Cause**: Reading file from disk every iteration:
```csharp
for (int i = 0; i < 10; i++)
{
var data = File.ReadAllText("test-data.json"); // ❌ Disk I/O every iteration!
ProcessData(data);
}
```
**Fix**: Read once, reuse:
```csharp
var data = File.ReadAllText("test-data.json"); // ✅ Read once
for (int i = 0; i < 10; i++)
{
ProcessData(data);
}
```
### Example 3: Inefficient Sorting
**Symptom**: Test time increased from 165ms to 950ms after adding VEX documents.
**Cause**: Sorting inside loop:
```csharp
for (int i = 0; i < 10; i++)
{
var sortedVex = vexDocuments.OrderBy(v => v).ToList(); // ❌ Sorts every iteration!
ProcessVex(sortedVex);
}
```
**Fix**: Sort once, reuse:
```csharp
var sortedVex = vexDocuments.OrderBy(v => v).ToList(); // ✅ Sort once
for (int i = 0; i < 10; i++)
{
ProcessVex(sortedVex);
}
```
## Monitoring and Alerts
### Slack Alerts
Configure alerts for performance regressions:
```yaml
# .gitea/workflows/cross-platform-determinism.yml
- name: Notify on regression
if: failure() && steps.performance-check.outcome == 'failure'
uses: slackapi/slack-github-action@v1
with:
payload: |
{
"text": "⚠️ Performance regression detected in determinism tests",
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": "*CGS Test Suite Exceeded Baseline*\n\nBaseline: 3s\nActual: ${{ steps.performance-check.outputs.duration }}s\n\nPlatform: Linux Ubuntu\nCommit: ${{ github.sha }}"
}
}
]
}
```
### Grafana Dashboard
Track execution time over time:
```promql
# Prometheus query
histogram_quantile(0.95,
rate(determinism_test_duration_seconds_bucket{test="CgsHash_10Iterations"}[5m])
)
```
**Dashboard Panels**:
1. Test duration (p50, p95, p99) over time
2. Platform comparison (Windows vs Linux vs macOS vs Alpine)
3. Test failure rate by platform
4. Execution time distribution (histogram)
## References
- **CI/CD Workflow**: `.gitea/workflows/cross-platform-determinism.yml`
- **Test README**: `src/__Tests/Determinism/README.md`
- **Developer Guide**: `docs/testing/DETERMINISM_DEVELOPER_GUIDE.md`
- **Batch Summary**: `docs/implplan/archived/2025-12-29-completed-sprints/BATCH_20251229_BE_COMPLETION_SUMMARY.md`
## Changelog
### 2025-12-29 - Initial Baselines
- Established baselines for CGS, Lineage, VexLens, and Scheduler tests
- Documented platform speed factors (Alpine 1.6x, macOS 1.1x, Windows 1.02x)
- Set regression thresholds (>2x baseline triggers investigation)
- Configured CI/CD performance monitoring

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# Pre-Commit Checklist
> Quick reference for validating changes before committing.
---
## TL;DR - Minimum Validation
```bash
# 1. Quick smoke test (2 min)
./devops/scripts/local-ci.sh smoke
# 2. If smoke passes, full PR check (15 min)
./devops/scripts/local-ci.sh pr
# 3. Commit
git add -A && git commit -m "Your message"
```
---
## Validation Levels
### Level 1: Quick Check (Always)
```bash
./devops/scripts/local-ci.sh smoke
```
**Time:** ~2 minutes
**Validates:** Build + Unit tests
---
### Level 2: PR-Ready (Before opening PR)
```bash
./devops/scripts/local-ci.sh pr
```
**Time:** ~15 minutes
**Validates:** Unit, Architecture, Contract, Integration, Security, Golden
---
### Level 3: Module-Focused (Changed modules only)
```bash
./devops/scripts/local-ci.sh module
```
**Time:** Varies by module
**Validates:** Auto-detected or specified module
---
### Level 4: Full Suite (Major changes/releases)
```bash
./devops/scripts/local-ci.sh full
```
**Time:** ~45 minutes
**Validates:** All categories including Performance, Benchmark, AirGap, Chaos
---
## Quick Commands
| Purpose | Command |
|---------|---------|
| Smoke test | `./devops/scripts/local-ci.sh smoke` |
| PR check | `./devops/scripts/local-ci.sh pr` |
| Module tests | `./devops/scripts/local-ci.sh module --module Scanner` |
| Single category | `./devops/scripts/local-ci.sh pr --category Unit` |
| Verbose output | `./devops/scripts/local-ci.sh pr --verbose` |
| Dry run | `./devops/scripts/local-ci.sh pr --dry-run` |
| Release check | `./devops/scripts/local-ci.sh release --dry-run` |
---
## Windows (PowerShell)
```powershell
.\devops\scripts\local-ci.ps1 smoke
.\devops\scripts\local-ci.ps1 pr
.\devops\scripts\local-ci.ps1 module -Module Scanner
```
---
## Service Management
```bash
# Start
docker compose -f devops/compose/docker-compose.ci.yaml up -d
# Stop
docker compose -f devops/compose/docker-compose.ci.yaml down
# Reset
docker compose -f devops/compose/docker-compose.ci.yaml down -v
```
---
## Test Categories
| Category | When Required |
|----------|---------------|
| **Unit** | Always |
| **Architecture** | PR-gating |
| **Contract** | API changes |
| **Integration** | Database/service changes |
| **Security** | Any code changes |
| **Golden** | Output format changes |
---
## Troubleshooting
### Build fails
```bash
dotnet clean src/StellaOps.sln
dotnet build src/StellaOps.sln
```
### Tests fail
```bash
./devops/scripts/local-ci.sh pr --verbose
cat out/local-ci/logs/Unit-*.log
```
### Services won't start
```bash
docker compose -f devops/compose/docker-compose.ci.yaml down -v
docker compose -f devops/compose/docker-compose.ci.yaml up -d
```
---
## Checklist
**Before every commit:**
- [ ] `./devops/scripts/local-ci.sh smoke` passes
**Before opening PR:**
- [ ] `./devops/scripts/local-ci.sh pr` passes
- [ ] `git status` shows only intended changes
**Before release:**
- [ ] `./devops/scripts/local-ci.sh full` passes
- [ ] `./devops/scripts/local-ci.sh release --dry-run` succeeds
---
## Results Location
```
out/local-ci/
trx/ # Test reports (TRX format)
logs/ # Execution logs
```

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# Testing Documentation
> Comprehensive guides for testing StellaOps before and during development.
---
## Quick Start
### Before Committing
```bash
# Quick smoke test (~2 min)
./devops/scripts/validate-before-commit.sh quick
# Full PR validation (~15 min)
./devops/scripts/validate-before-commit.sh
# Windows
.\devops\scripts\validate-before-commit.ps1
```
See [PRE_COMMIT_CHECKLIST.md](PRE_COMMIT_CHECKLIST.md) for the validation checklist.
---
## Documentation Index
### Local Testing
| Document | Description |
|----------|-------------|
| [LOCAL_CI_GUIDE.md](LOCAL_CI_GUIDE.md) | Complete guide to local CI testing |
| [PRE_COMMIT_CHECKLIST.md](PRE_COMMIT_CHECKLIST.md) | Quick checklist for pre-commit validation |
### Testing Strategy
| Document | Description |
|----------|-------------|
| [TESTING_MASTER_PLAN.md](TESTING_MASTER_PLAN.md) | Overall testing strategy and goals |
| [testing-strategy-models.md](testing-strategy-models.md) | Testing strategy models and approaches |
| [TEST_COVERAGE_MATRIX.md](TEST_COVERAGE_MATRIX.md) | Coverage matrix by module and category |
| [testkit-usage-guide.md](testkit-usage-guide.md) | Guide to using the StellaOps TestKit |
### CI/CD Integration
| Document | Description |
|----------|-------------|
| [ci-quality-gates.md](ci-quality-gates.md) | Quality gates for CI/CD pipelines |
| [ci-lane-filters.md](ci-lane-filters.md) | Test lane filter configuration |
| [ci-lane-integration.md](ci-lane-integration.md) | CI lane integration guide |
### Specialized Testing
| Document | Description |
|----------|-------------|
| [determinism-gates.md](determinism-gates.md) | Determinism verification gates |
| [determinism-verification.md](determinism-verification.md) | Determinism testing guide |
| [security-testing-guide.md](security-testing-guide.md) | Security testing practices |
| [mutation-testing-guide.md](mutation-testing-guide.md) | Mutation testing guide |
| [mutation-testing-baselines.md](mutation-testing-baselines.md) | Mutation testing baselines |
| [e2e-reproducibility.md](e2e-reproducibility.md) | End-to-end reproducibility testing |
| [competitor-parity-testing.md](competitor-parity-testing.md) | Competitive parity testing |
### Component-Specific
| Document | Description |
|----------|-------------|
| [webservice-test-discipline.md](webservice-test-discipline.md) | Web service testing discipline |
| [webservice-test-rollout-plan.md](webservice-test-rollout-plan.md) | Web service test rollout plan |
| [connector-fixture-discipline.md](connector-fixture-discipline.md) | Connector fixture testing |
| [schema-validation.md](schema-validation.md) | Schema validation testing |
### Sprint Planning
| Document | Description |
|----------|-------------|
| [SPRINT_DEPENDENCY_GRAPH.md](SPRINT_DEPENDENCY_GRAPH.md) | Sprint dependency visualization |
| [SPRINT_EXECUTION_PLAYBOOK.md](SPRINT_EXECUTION_PLAYBOOK.md) | Sprint execution guide |
| [testing-quality-guardrails-implementation.md](testing-quality-guardrails-implementation.md) | Quality guardrails implementation |
---
## Test Categories
| Category | Description | When Run |
|----------|-------------|----------|
| **Unit** | Component isolation tests | Always |
| **Architecture** | Dependency and layering rules | PR-gating |
| **Contract** | API compatibility validation | PR-gating |
| **Integration** | Database and service tests | PR-gating |
| **Security** | Security assertion tests | PR-gating |
| **Golden** | Corpus-based regression tests | PR-gating |
| **Performance** | Latency and throughput tests | Extended |
| **Benchmark** | BenchmarkDotNet runs | Extended |
| **Determinism** | Reproducibility tests | Extended |
| **AirGap** | Offline operation tests | Extended |
| **Chaos** | Resilience tests | Extended |
---
## Quick Commands
```bash
# Local CI runner
./devops/scripts/local-ci.sh smoke # Quick validation
./devops/scripts/local-ci.sh pr # PR-gating suite
./devops/scripts/local-ci.sh module # Module tests
./devops/scripts/local-ci.sh full # All tests
# Pre-commit validation
./devops/scripts/validate-before-commit.sh # PR-gating
./devops/scripts/validate-before-commit.sh quick # Smoke only
./devops/scripts/validate-before-commit.sh full # Everything
# Web/Angular tests
./devops/scripts/local-ci.sh module --module Web # Web module tests
./devops/scripts/local-ci.sh pr --category Web # Web as part of PR
# Service management
docker compose -f devops/compose/docker-compose.ci.yaml up -d
docker compose -f devops/compose/docker-compose.ci.yaml down
```
---
## Web/Angular Testing
The Angular frontend (`src/Web/StellaOps.Web`) has its own test suite:
```bash
cd src/Web/StellaOps.Web
# Install dependencies
npm ci
# Unit tests (Karma/Jasmine)
npm run test:ci
# E2E tests (Playwright)
npx playwright install --with-deps chromium
npm run test:e2e
# Accessibility tests (Axe)
npm run test:a11y
# Production build
npm run build -- --configuration production
# Storybook build
npm run storybook:build
```
| Test Type | Framework | Command | Duration |
|-----------|-----------|---------|----------|
| Unit | Karma/Jasmine | `npm run test:ci` | ~3 min |
| E2E | Playwright | `npm run test:e2e` | ~5 min |
| A11y | Axe-core | `npm run test:a11y` | ~2 min |
| Build | Angular CLI | `npm run build` | ~2 min |
---
## Related Documentation
- [Test Suite Overview](../TEST_SUITE_OVERVIEW.md) - High-level entry point for testing
- [CI/CD Overview](../cicd/README.md)
- [CI/CD Test Strategy](../cicd/test-strategy.md) - Detailed CI/CD test integration
- [Workflow Triggers](../cicd/workflow-triggers.md)
- [Path Filters](../cicd/path-filters.md)
- [Test Infrastructure](../../src/__Tests/AGENTS.md)

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# Testing Strategy Sprint Dependency Graph & Critical Path Analysis
> **Purpose:** Visualize sprint dependencies, identify critical path, optimize parallel execution, and coordinate cross-guild work.
---
## Executive Summary
**Total Sprints:** 22 sprints across 4 batches
**Total Tasks:** ~370 tasks
**Estimated Duration:** 26 weeks (6 months) if executed sequentially
**Optimal Duration:** 14 weeks (3.5 months) with full parallelization
**Critical Path:** 14 weeks (Foundation Epics → Module Tests)
**Parallelization Opportunities:** Up to 15 sprints can run concurrently
---
## Sprint Inventory by Batch
### Batch 5100.0007: Foundation Epics (90 tasks, 6 sprints)
| Sprint ID | Name | Tasks | Waves | Dependencies |
|-----------|------|-------|-------|--------------|
| 5100.0007.0001 | Master Testing Strategy | 18 | 4 | None (entry point) |
| 5100.0007.0002 | Epic A: TestKit Foundations | 13 | 4 | 0001 (Wave 1 complete) |
| 5100.0007.0003 | Epic B: Determinism Gate | 12 | 4 | 0002 (TestKit available) |
| 5100.0007.0004 | Epic C: Storage Harness | 12 | 4 | 0002 (TestKit available) |
| 5100.0007.0005 | Epic D: Connector Fixtures | 12 | 4 | 0002 (TestKit available) |
| 5100.0007.0006 | Epic E: WebService Contract | 12 | 4 | 0002 (TestKit + OtelCapture) |
| 5100.0007.0007 | Epic F: Architecture Tests | 17 | 6 | None (can start immediately) |
### Batch 5100.0008: Quality Gates (11 tasks, 1 sprint)
| Sprint ID | Name | Tasks | Waves | Dependencies |
|-----------|------|-------|-------|--------------|
| 5100.0008.0001 | Competitor Parity Testing | 11 | 4 | 0007.0001 (Wave 1), 0007.0002 |
### Batch 5100.0009: Module Test Implementations (185 tasks, 11 sprints)
| Sprint ID | Module | Models | Tasks | Waves | Dependencies |
|-----------|--------|--------|-------|-------|--------------|
| 5100.0009.0001 | Scanner | L0,AN1,S1,T1,W1,WK1,PERF | 25 | 4 | 0002,0003,0004,0006 |
| 5100.0009.0002 | Concelier | C1,L0,S1,W1,AN1 | 18 | 4 | 0002,0003,0004,0005,0006,0007.0007 |
| 5100.0009.0003 | Excititor | C1,L0,S1,W1,WK1 | 21 | 4 | 0002,0003,0004,0005,0006,0007.0007 |
| 5100.0009.0004 | Policy | L0,S1,W1 | 15 | 3 | 0002,0003,0004,0006 |
| 5100.0009.0005 | Authority | L0,W1,C1 | 17 | 3 | 0002,0005,0006 |
| 5100.0009.0006 | Signer | L0,W1,C1 | 17 | 3 | 0002,0003,0005,0006 |
| 5100.0009.0007 | Attestor | L0,W1 | 14 | 3 | 0002,0003,0006,0009.0006 |
| 5100.0009.0008 | Scheduler | L0,S1,W1,WK1 | 14 | 3 | 0002,0004,0006 |
| 5100.0009.0009 | Notify | L0,C1,S1,W1,WK1 | 18 | 3 | 0002,0004,0005,0006 |
| 5100.0009.0010 | CLI | CLI1 | 13 | 3 | 0002,0003 |
| 5100.0009.0011 | UI | W1 | 13 | 3 | 0002,0006 |
### Batch 5100.0010: Infrastructure Tests (62 tasks, 4 sprints)
| Sprint ID | Module Family | Models | Tasks | Waves | Dependencies |
|-----------|---------------|--------|-------|-------|--------------|
| 5100.0010.0001 | EvidenceLocker + Findings + Replay | L0,S1,W1,WK1 | 16 | 3 | 0002,0004,0006 |
| 5100.0010.0002 | Graph + TimelineIndexer | L0,S1,W1,WK1 | 15 | 3 | 0002,0004,0006 |
| 5100.0010.0003 | Router + Messaging | L0,T1,W1,S1 | 14 | 3 | 0002,0004 |
| 5100.0010.0004 | AirGap | L0,AN1,S1,W1,CLI1 | 17 | 3 | 0002,0003,0004,0006 |
---
## Dependency Visualization (ASCII Graph)
```
CRITICAL PATH (14 weeks):
Week 1-2: [5100.0007.0001] Master Strategy (Wave 1-4)
│
Week 3-4: [5100.0007.0002] TestKit Foundations ← CRITICAL BOTTLENECK
│
├──────────┬──────────┬──────────┬──────────┐
Week 5-6: [0003] [0004] [0005] [0006] [0007.0007]
Determ. Storage Connect. WebSvc Arch.Tests
│ │ │ │
└─────────┴─────────┴─────────┘
│
Week 7-10: ┌──────────┼──────────────────────────────────┐
[5100.0009.xxxx] ALL MODULE TESTS (parallel) │
11 sprints run concurrently │
│ │
Week 11-14:└────────────────────────────────────────────┘
[5100.0010.xxxx] ALL INFRASTRUCTURE TESTS
4 sprints run concurrently
PARALLEL EXECUTION ZONES:
Zone 1 (Weeks 5-6): Epic Implementations
- 5100.0007.0003 (Determinism) ─┐
- 5100.0007.0004 (Storage) ├─ Can run in parallel
- 5100.0007.0005 (Connectors) │ (all depend only on TestKit)
- 5100.0007.0006 (WebService) │
- 5100.0007.0007 (Architecture) ─┘
Zone 2 (Weeks 7-10): Module Tests
- Scanner (5100.0009.0001) ─┐
- Concelier (5100.0009.0002) │
- Excititor (5100.0009.0003) │
- Policy (5100.0009.0004) ├─ Can run in parallel
- Authority (5100.0009.0005) │ (Epic dependencies met)
- Signer (5100.0009.0006) │
- Attestor (5100.0009.0007) │
- Scheduler (5100.0009.0008) │
- Notify (5100.0009.0009) │
- CLI (5100.0009.0010) │
- UI (5100.0009.0011) ─┘
Zone 3 (Weeks 11-14): Infrastructure Tests
- EvidenceLocker (5100.0010.0001) ─┐
- Graph (5100.0010.0002) ├─ Can run in parallel
- Router/Messaging (5100.0010.0003)│
- AirGap (5100.0010.0004) ─┘
Zone 4 (Weeks 3-14): Quality Gates (can overlap)
- Competitor Parity (5100.0008.0001) runs after Week 3
```
---
## Critical Path Analysis
### Critical Path Sequence (14 weeks)
1. **Week 1-2:** Master Strategy Sprint (5100.0007.0001)
- Wave 1: Documentation sync
- Wave 2: Quick wins (test runner scripts, trait standardization)
- Wave 3: CI infrastructure
- Wave 4: Epic sprint creation
2. **Week 3-4:** TestKit Foundations (5100.0007.0002) ← **CRITICAL BOTTLENECK**
- ALL downstream sprints depend on TestKit
- Must complete before any module tests can start
- Priority: DeterministicTime, DeterministicRandom, CanonicalJsonAssert, SnapshotAssert, PostgresFixture, OtelCapture
3. **Week 5-6:** Epic Implementation (parallel zone)
- 5 sprints run concurrently
- Unblocks all module tests
4. **Week 7-10:** Module Test Implementation (parallel zone)
- 11 sprints run concurrently
- Longest pole: Scanner (25 tasks, 4 waves)
5. **Week 11-14:** Infrastructure Test Implementation (parallel zone)
- 4 sprints run concurrently
- Can overlap with late-stage module tests
### Critical Bottleneck: TestKit (Sprint 5100.0007.0002)
**Impact:** Blocks 20 downstream sprints (all module + infrastructure tests)
**Mitigation:**
- Staff with 2-3 senior engineers
- Prioritize DeterministicTime and SnapshotAssert (most commonly used)
- Release incrementally (partial TestKit unlocks some modules)
- Run daily check-ins to unblock consuming teams
---
## Dependency Matrix
### Epic → Module Dependencies
| Epic Sprint | Blocks Module Sprints | Reason |
|-------------|----------------------|--------|
| 5100.0007.0002 (TestKit) | ALL 15 module/infra sprints | Core test utilities required |
| 5100.0007.0003 (Determinism) | Scanner, Excititor, Signer, CLI, AirGap | Determinism gate required |
| 5100.0007.0004 (Storage) | Scanner, Concelier, Excititor, Policy, Scheduler, Notify, EvidenceLocker, Graph, Router, AirGap | PostgresFixture required |
| 5100.0007.0005 (Connectors) | Concelier, Excititor, Authority, Signer, Notify | Fixture discipline required |
| 5100.0007.0006 (WebService) | Scanner, Concelier, Excititor, Policy, Authority, Signer, Attestor, Scheduler, Notify, UI, EvidenceLocker, Graph, AirGap | WebServiceFixture required |
| 5100.0007.0007 (Architecture) | Concelier, Excititor | Lattice boundary enforcement |
### Module → Module Dependencies
| Sprint | Depends On Other Modules | Reason |
|--------|--------------------------|--------|
| Attestor (0009.0007) | Signer (0009.0006) | Sign/verify integration tests |
| (None other) | - | Modules are otherwise independent |
---
## Parallelization Strategy
### Maximum Parallel Execution (15 sprints)
**Week 5-6 (5 parallel):**
- Determinism (2 eng)
- Storage (3 eng)
- Connectors (2 eng)
- WebService (2 eng)
- Architecture (1 eng)
**Week 7-10 (11 parallel):**
- Scanner (3 eng) ← longest pole
- Concelier (2 eng)
- Excititor (2 eng)
- Policy (2 eng)
- Authority (2 eng)
- Signer (2 eng)
- Attestor (2 eng)
- Scheduler (2 eng)
- Notify (2 eng)
- CLI (1 eng)
- UI (2 eng)
**Week 11-14 (4 parallel):**
- EvidenceLocker (2 eng)
- Graph (2 eng)
- Router/Messaging (2 eng)
- AirGap (2 eng)
**Resource Requirement (Peak):**
- Week 7-10: 22 engineers (11 sprints × avg 2 eng/sprint)
- Realistic: 10-12 engineers with staggered starts
---
## Risk Hotspots
### High-Impact Delays
| Risk | Impact | Probability | Mitigation |
|------|--------|-------------|------------|
| TestKit delayed (5100.0007.0002) | Blocks ALL downstream sprints; +2-4 weeks delay | MEDIUM | Staff with senior engineers; daily standups; incremental releases |
| Storage harness issues (5100.0007.0004) | Blocks 10 sprints | MEDIUM | Use Testcontainers early; validate Postgres 16 compatibility Week 1 |
| Determinism gate drift (5100.0007.0003) | Scanner/Excititor blocked; compliance issues | LOW | Explicit canonical JSON contract; freeze schema early |
| Attestor-Signer circular dependency (0009.0007 ↔ 0009.0006) | Integration tests blocked | MEDIUM | Mock signing for Attestor initial tests; coordinate guilds |
| Concurrent module tests overwhelm CI | Test suite timeout; flaky tests | HIGH | Stagger module test starts; use CI parallelization; dedicated test runners |
### Critical Path Risks
| Sprint | Risk | Impact if Delayed |
|--------|------|-------------------|
| 5100.0007.0002 (TestKit) | DeterministicTime implementation complex | +2 weeks to critical path |
| 5100.0009.0001 (Scanner) | 25 tasks, 4 waves; reachability tests complex | Delays integration tests; no impact on other modules |
| 5100.0007.0004 (Storage) | Testcontainers Postgres compatibility issues | Blocks 10 sprints; +2-3 weeks |
---
## Recommended Execution Sequence
### Phase 1: Foundation (Weeks 1-4)
**Goal:** Establish test infrastructure and strategy docs
**Sprints:**
1. 5100.0007.0001 (Master Strategy) — Week 1-2
2. 5100.0007.0002 (TestKit) — Week 3-4 ← CRITICAL
**Exit Criteria:**
- TestKit utilities available (DeterministicTime, SnapshotAssert, PostgresFixture, OtelCapture)
- Test runner scripts operational
- Trait standardization complete
### Phase 2: Epic Implementation (Weeks 5-6)
**Goal:** Implement all foundation epics in parallel
**Sprints (parallel):**
1. 5100.0007.0003 (Determinism)
2. 5100.0007.0004 (Storage)
3. 5100.0007.0005 (Connectors)
4. 5100.0007.0006 (WebService)
5. 5100.0007.0007 (Architecture)
**Exit Criteria:**
- PostgresFixture operational (Testcontainers)
- Determinism manifest format defined
- Connector fixture discipline documented
- WebServiceFixture operational
- Architecture tests in CI (PR gate)
### Phase 3: Module Tests — Priority Tier 1 (Weeks 7-8)
**Goal:** Implement tests for critical security/compliance modules
**Sprints (parallel):**
1. 5100.0009.0001 (Scanner) — critical path, longest pole
2. 5100.0009.0002 (Concelier)
3. 5100.0009.0003 (Excititor)
4. 5100.0009.0004 (Policy)
5. 5100.0009.0005 (Authority)
6. 5100.0009.0006 (Signer)
### Phase 4: Module Tests — Priority Tier 2 (Weeks 9-10)
**Goal:** Complete remaining module tests
**Sprints (parallel):**
1. 5100.0009.0007 (Attestor)
2. 5100.0009.0008 (Scheduler)
3. 5100.0009.0009 (Notify)
4. 5100.0009.0010 (CLI)
5. 5100.0009.0011 (UI)
### Phase 5: Infrastructure Tests (Weeks 11-14)
**Goal:** Complete platform infrastructure tests
**Sprints (parallel):**
1. 5100.0010.0001 (EvidenceLocker)
2. 5100.0010.0002 (Graph)
3. 5100.0010.0003 (Router/Messaging)
4. 5100.0010.0004 (AirGap)
### Phase 6: Quality Gates (Overlapping Weeks 3-14)
**Goal:** Establish ongoing parity testing
**Sprint:**
1. 5100.0008.0001 (Competitor Parity) — can start Week 3, run nightly thereafter
---
## Guild Coordination
### Cross-Guild Dependencies
| Guild | Owns Sprints | Depends On Guilds | Coordination Points |
|-------|--------------|-------------------|---------------------|
| Platform Guild | TestKit, Storage, Architecture, EvidenceLocker, Graph, Router | None | Week 3: TestKit readiness review |
| Scanner Guild | Scanner | Platform (TestKit, Storage, Determinism, WebService) | Week 5: Storage harness validation |
| Concelier Guild | Concelier | Platform (TestKit, Storage, Connectors, WebService), Architecture | Week 6: Connector fixture review |
| Excititor Guild | Excititor | Platform (TestKit, Storage, Connectors, WebService), Architecture | Week 6: Preserve-prune test design |
| Policy Guild | Policy, AirGap (analyzers) | Platform (TestKit, Storage, WebService) | Week 7: Unknown budget enforcement review |
| Authority Guild | Authority | Platform (TestKit, Connectors, WebService) | Week 7: OIDC connector fixture validation |
| Crypto Guild | Signer, Attestor | Platform (TestKit, Determinism, Connectors, WebService), Authority | Week 8: Canonical payload design; Week 9: Sign/verify integration |
| Scheduler Guild | Scheduler | Platform (TestKit, Storage, WebService) | Week 9: DeterministicTime validation |
| Notify Guild | Notify | Platform (TestKit, Storage, Connectors, WebService) | Week 9: Connector fixture templates |
| CLI Guild | CLI | Platform (TestKit, Determinism) | Week 10: Exit code conventions |
| UI Guild | UI | Platform (TestKit, WebService) | Week 10: API contract snapshot review |
| AirGap Guild | AirGap | Platform (TestKit, Determinism, Storage, WebService), Policy | Week 11: Bundle determinism validation |
| QA Guild | Competitor Parity | Platform (TestKit) | Week 3: Parity harness design |
### Weekly Sync Schedule
**Week 1-2:**
- All guilds: Master strategy review, sprint assignment
**Week 3-4:**
- Platform Guild: Daily standup (TestKit unblocking)
- All guilds: TestKit API review (design feedback)
**Week 5-6:**
- Epic guilds: Bi-weekly sync (Determinism, Storage, Connectors, WebService, Architecture)
- Scanner/Concelier/Excititor guilds: Prepare for module test sprint kickoff
**Week 7-10:**
- All module guilds: Weekly guild-specific standups
- Cross-guild: Bi-weekly integration sync (Signer ↔ Attestor, Policy ↔ AirGap)
**Week 11-14:**
- Infrastructure guilds: Weekly sync
- All guilds: Bi-weekly retrospective
---
## Metrics & Tracking
### Sprint Completion Metrics
| Metric | Target | Measurement |
|--------|--------|-------------|
| Sprint on-time completion | >80% | Tasks complete by wave deadline |
| Test coverage increase | +30% per module | Code coverage reports |
| Determinism tests passing | 100% | Determinism gate CI job |
| Contract tests in CI | 100% of WebServices | Contract lane CI job |
| Architecture tests enforcing | 100% violations blocked | Architecture test failures = build failures |
### Quality Gates
| Gate | Criteria | Enforced By |
|------|----------|-------------|
| Determinism | SHA-256 hash stable across runs | Sprint 5100.0007.0003 tests |
| Contract Stability | OpenAPI schema unchanged or explicitly versioned | Sprint 5100.0007.0006 tests |
| Architecture Boundaries | Concelier/Excititor do NOT reference Scanner lattice | Sprint 5100.0007.0007 tests |
| Preserve-Prune Source | Excititor preserves VEX source references and rationale | Sprint 5100.0009.0003 tests |
| Unknown Budget Enforcement | Policy engine fails when unknowns > N | Sprint 5100.0009.0004 tests |
---
## Next Steps
1. **Week 1 (2026-01-06):**
- Kick off Sprint 5100.0007.0001 (Master Strategy)
- Assign Platform Guild to TestKit (5100.0007.0002) for Week 3 start
- Review this dependency graph with all guild leads
2. **Week 2 (2026-01-13):**
- Complete Master Strategy Wave 1-2
- Finalize TestKit API design (DeterministicTime, SnapshotAssert, etc.)
3. **Week 3 (2026-01-20):**
- Start TestKit implementation (CRITICAL PATH)
- Daily standup for TestKit unblocking
- Prepare Epic sprint kickoffs for Week 5
4. **Week 4 (2026-01-27):**
- Complete TestKit Wave 1-2 (DeterministicTime, SnapshotAssert)
- Validate TestKit with pilot tests
- Final Epic sprint preparation
5. **Week 5 (2026-02-03):**
- Kick off 5 Epic sprints in parallel
- Weekly Epic sync meeting (Fridays)
---
**Prepared by:** Project Management
**Date:** 2025-12-23
**Next Review:** 2026-01-06 (Week 1 kickoff)

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# Testing Strategy Sprint Execution Playbook
> **Purpose:** Practical guide for executing testing sprints - coordination, Definition of Done, sign-off criteria, ceremonies, and troubleshooting.
---
## Table of Contents
1. [Sprint Lifecycle](#sprint-lifecycle)
2. [Definition of Done (DoD)](#definition-of-done-dod)
3. [Wave-Based Execution](#wave-based-execution)
4. [Sign-Off Criteria](#sign-off-criteria)
5. [Cross-Guild Coordination](#cross-guild-coordination)
6. [Common Failure Patterns](#common-failure-patterns)
7. [Troubleshooting Guide](#troubleshooting-guide)
8. [Sprint Templates](#sprint-templates)
---
## Sprint Lifecycle
### Sprint States
```
TODO → DOING → BLOCKED/IN_REVIEW → DONE
│ │ │ │
│ │ │ └─ All waves complete + sign-off
│ │ └─ Waiting on dependency or approval
│ └─ Active development (1+ waves in progress)
└─ Not yet started
```
### Standard Sprint Duration
- **Foundation Epics (5100.0007.*):** 2 weeks per sprint
- **Module Tests (5100.0009.*):** 2 weeks per sprint
- **Infrastructure Tests (5100.0010.*):** 2 weeks per sprint
- **Competitor Parity (5100.0008.0001):** Initial setup 2 weeks; then ongoing (nightly/weekly)
### Ceremonies
#### Sprint Kickoff (Day 1)
**Who:** Sprint owner + guild members + dependencies
**Duration:** 60 min
**Agenda:**
1. Review sprint scope and deliverables (10 min)
2. Review wave structure and task breakdown (15 min)
3. Identify dependencies and blockers (15 min)
4. Assign tasks to engineers (10 min)
5. Schedule wave reviews (5 min)
6. Q&A (5 min)
#### Wave Review (End of each wave)
**Who:** Sprint owner + guild members
**Duration:** 30 min
**Agenda:**
1. Demo completed tasks (10 min)
2. Review DoD checklist for wave (10 min)
3. Identify blockers for next wave (5 min)
4. Update sprint status in `Delivery Tracker` (5 min)
#### Sprint Sign-Off (Final day)
**Who:** Sprint owner + guild lead + architect (for critical sprints)
**Duration:** 30 min
**Agenda:**
1. Review all wave completion (10 min)
2. Verify sign-off criteria (10 min)
3. Demo integration (if applicable) (5 min)
4. Sign execution log (5 min)
#### Weekly Sync (Every Friday)
**Who:** All active sprint owners + project manager
**Duration:** 30 min
**Agenda:**
1. Sprint status updates (15 min)
2. Blocker escalation (10 min)
3. Next week preview (5 min)
---
## Definition of Done (DoD)
### Universal DoD (Applies to ALL sprints)
✅ **Code:**
- [ ] All tasks in `Delivery Tracker` marked as `DONE`
- [ ] Code reviewed by at least 1 other engineer
- [ ] No pending TODOs or FIXMEs in committed code
- [ ] Code follows StellaOps coding standards (SOLID, DRY, KISS)
✅ **Tests:**
- [ ] All tests passing locally
- [ ] All tests passing in CI (appropriate lane)
- [ ] Code coverage increase ≥ target (see module-specific DoD)
- [ ] No flaky tests (deterministic pass rate 100%)
✅ **Documentation:**
- [ ] Sprint `Execution Log` updated with completion date
- [ ] Module-specific `AGENTS.md` updated (if new patterns introduced)
- [ ] API documentation updated (if endpoints changed)
✅ **Integration:**
- [ ] Changes merged to `main` branch
- [ ] CI lanes passing (Unit, Contract, Integration, Security as applicable)
- [ ] No regressions introduced (existing tests still passing)
---
### Model-Specific DoD
#### L0 (Library/Core)
- [ ] Unit tests covering all public methods
- [ ] Property tests for key invariants (where applicable)
- [ ] Snapshot tests for canonical outputs (SBOM, VEX, verdicts, etc.)
- [ ] Code coverage: ≥80% for core libraries
#### S1 (Storage/Postgres)
- [ ] Migration tests (apply from scratch, apply from N-1) passing
- [ ] Idempotency tests passing (same operation twice → no duplicates)
- [ ] Query determinism tests passing (explicit ORDER BY checks)
- [ ] Testcontainers Postgres fixture operational
#### T1 (Transport/Queue)
- [ ] Protocol roundtrip tests passing
- [ ] Fuzz tests for invalid input passing
- [ ] Delivery semantics tests passing (at-least-once, idempotency)
- [ ] Backpressure tests passing
#### C1 (Connector/External)
- [ ] Fixture folders created (`Fixtures/<source>/<case>.json`, `Expected/<case>.canonical.json`)
- [ ] Parser tests passing (fixture → parse → snapshot)
- [ ] Resilience tests passing (missing fields, invalid enums, etc.)
- [ ] Security tests passing (URL allowlist, redirect handling, payload limits)
#### W1 (WebService/API)
- [ ] Contract tests passing (OpenAPI snapshot validation)
- [ ] Auth/authz tests passing (deny-by-default, token expiry, scope enforcement)
- [ ] OTel trace assertions passing (spans emitted, tags present)
- [ ] Negative tests passing (malformed requests, size limits, method mismatch)
#### WK1 (Worker/Indexer)
- [ ] End-to-end tests passing (enqueue → worker → stored → events emitted)
- [ ] Retry tests passing (transient failure → backoff; permanent → poison)
- [ ] Idempotency tests passing (same job twice → single execution)
- [ ] OTel correlation tests passing (trace spans across lifecycle)
#### AN1 (Analyzer/SourceGen)
- [ ] Roslyn compilation tests passing (expected diagnostics, no false positives)
- [ ] Golden generated code tests passing (if applicable)
#### CLI1 (Tool/CLI)
- [ ] Exit code tests passing (0=success, 1=user error, 2=system error, etc.)
- [ ] Golden output tests passing (stdout/stderr snapshots)
- [ ] Determinism tests passing (same inputs → same outputs)
#### PERF (Benchmarks)
- [ ] Benchmark tests operational
- [ ] Perf smoke tests in CI (2× regression gate)
- [ ] Baseline results documented
---
### Sprint-Specific DoD
#### Foundation Epic Sprints (5100.0007.*)
**Epic A (TestKit):**
- [ ] `StellaOps.TestKit` NuGet package published internally
- [ ] DeterministicTime, DeterministicRandom, CanonicalJsonAssert, SnapshotAssert, PostgresFixture, ValkeyFixture, OtelCapture, HttpFixtureServer all operational
- [ ] Pilot adoption in 2+ modules (e.g., Scanner, Concelier)
**Epic B (Determinism):**
- [ ] Determinism manifest JSON schema defined
- [ ] `tests/integration/StellaOps.Integration.Determinism` expanded for SBOM, VEX, policy verdicts, evidence bundles, AirGap exports
- [ ] Determinism tests in CI (merge gate)
- [ ] Determinism artifacts stored in CI artifact repo
**Epic C (Storage):**
- [ ] PostgresFixture operational (Testcontainers, automatic migrations, schema isolation)
- [ ] ValkeyFixture operational
- [ ] Pilot adoption in 2+ modules with S1 model (e.g., Scanner, Policy)
**Epic D (Connectors):**
- [ ] Connector fixture discipline documented in `docs/testing/connector-fixture-discipline.md`
- [ ] FixtureUpdater tool operational (with `UPDATE_CONNECTOR_FIXTURES=1` env var guard)
- [ ] Pilot adoption in Concelier.Connector.NVD
**Epic E (WebService):**
- [ ] WebServiceFixture<TProgram> operational (Microsoft.AspNetCore.Mvc.Testing)
- [ ] Contract test pattern documented
- [ ] Pilot adoption in Scanner.WebService
**Epic F (Architecture):**
- [ ] `tests/architecture/StellaOps.Architecture.Tests` project operational
- [ ] Lattice placement rules enforced (Concelier/Excititor must NOT reference Scanner lattice)
- [ ] Architecture tests in CI (PR gate, Unit lane)
#### Module Test Sprints (5100.0009.*)
**Per Module:**
- [ ] All model requirements from TEST_CATALOG.yml satisfied
- [ ] Module-specific quality gates passing (see TEST_COVERAGE_MATRIX.md)
- [ ] Code coverage increase: ≥30% from baseline
- [ ] All wave deliverables complete
#### Infrastructure Test Sprints (5100.0010.*)
**Per Infrastructure Module:**
- [ ] All integration tests passing
- [ ] Cross-module dependencies validated (e.g., EvidenceLocker ↔ Scanner)
---
## Wave-Based Execution
### Wave Structure
Most sprints use a 3-4 wave structure:
- **Wave 1:** Foundation / Core logic
- **Wave 2:** Integration / Storage / Connectors
- **Wave 3:** WebService / Workers / End-to-end
- **Wave 4:** (Optional) Polish / Documentation / Edge cases
### Wave Execution Pattern
```
Week 1:
Day 1-2: Wave 1 development
Day 3: Wave 1 review → APPROVED → proceed to Wave 2
Day 4-5: Wave 2 development
Week 2:
Day 1: Wave 2 review → APPROVED → proceed to Wave 3
Day 2-4: Wave 3 development
Day 5: Wave 3 review + Sprint Sign-Off
```
### Wave Review Checklist
✅ **Before Wave Review:**
- [ ] All tasks in wave marked as `DOING` → `DONE` in `Delivery Tracker`
- [ ] All tests for wave passing in CI
- [ ] Code reviewed
✅ **During Wave Review:**
- [ ] Demo completed functionality
- [ ] Review wave DoD checklist
- [ ] Identify blockers for next wave
- [ ] **Sign-off decision:** APPROVED / CHANGES_REQUIRED / BLOCKED
✅ **After Wave Review:**
- [ ] Update sprint `Execution Log` with wave completion
- [ ] Update task status in `Delivery Tracker`
- [ ] If BLOCKED: escalate to project manager
---
## Sign-Off Criteria
### Sprint Sign-Off Levels
#### Level 1: Self-Sign-Off (Guild Lead)
**Applies to:** Routine module test sprints without architectural changes
**Criteria:**
- All waves complete
- All DoD items checked
- Guild lead approval
#### Level 2: Architect Sign-Off
**Applies to:** Foundation epics, architectural changes, cross-cutting concerns
**Criteria:**
- All waves complete
- All DoD items checked
- Guild lead approval
- **Architect review and approval**
#### Level 3: Project Manager + Architect Sign-Off
**Applies to:** Critical path sprints (TestKit, Determinism, Storage)
**Criteria:**
- All waves complete
- All DoD items checked
- Guild lead approval
- Architect approval
- **Project manager approval (validates dependencies unblocked)**
### Sign-Off Process
1. **Engineer completes final wave** → marks all tasks `DONE`
2. **Guild lead reviews** → verifies DoD checklist
3. **Sprint owner schedules sign-off meeting** (if Level 2/3)
4. **Sign-off meeting** (30 min):
- Demo final deliverables
- Review DoD checklist
- Verify integration (if applicable)
- **Decision:** APPROVED / CHANGES_REQUIRED
5. **Update Execution Log:**
```markdown
| 2026-XX-XX | Sprint signed off by [Guild Lead / Architect / PM]. | [Owner] |
```
---
## Cross-Guild Coordination
### Dependency Handoffs
When Sprint A depends on Sprint B:
**Sprint B (Provider):**
1. **Week before completion:** Notify Sprint A owner of expected completion date
2. **Wave 2-3 complete:** Provide preview build / early access to Sprint A
3. **Sprint complete:** Formally notify Sprint A owner; provide integration guide
**Sprint A (Consumer):**
1. **Sprint B Wave 2:** Begin integration planning; identify integration risks
2. **Sprint B Wave 3:** Start integration development (against preview build)
3. **Sprint B complete:** Complete integration; validate against final build
### Coordination Meetings
#### Epic → Module Handoff (Week 5)
**Who:** Epic sprint owners + all module sprint owners
**Duration:** 60 min
**Agenda:**
1. Epic deliverables review (TestKit, Storage, etc.) (20 min)
2. Integration guide walkthrough (15 min)
3. Module sprint kickoff previews (15 min)
4. Q&A (10 min)
#### Module Integration Sync (Bi-weekly, Weeks 7-10)
**Who:** Module sprint owners with cross-dependencies (e.g., Signer ↔ Attestor)
**Duration:** 30 min
**Agenda:**
1. Integration status updates (10 min)
2. Blocker resolution (15 min)
3. Next steps (5 min)
### Blocked Sprint Protocol
If a sprint is BLOCKED:
1. **Sprint owner:** Update sprint status to `BLOCKED` in `Delivery Tracker`
2. **Sprint owner:** Add blocker note to `Decisions & Risks` table
3. **Sprint owner:** Notify project manager immediately (Slack + email)
4. **Project manager:** Schedule blocker resolution meeting within 24 hours
5. **Resolution meeting:** Decide:
- **Workaround:** Continue with mock/stub dependency
- **Re-sequence:** Defer sprint; start alternative sprint
- **Escalate:** Assign additional resources to unblock dependency
---
## Common Failure Patterns
### Pattern 1: Testcontainers Failure (Storage Harness)
**Symptom:** Tests fail with "Docker not running" or "Container startup timeout"
**Root Cause:** Docker daemon not running, Docker Desktop not installed, or Testcontainers compatibility issue
**Fix:**
1. Verify Docker Desktop installed and running
2. Verify Testcontainers.Postgres version compatible with .NET 10
3. Add explicit timeout: `new PostgreSqlBuilder().WithStartupTimeout(TimeSpan.FromMinutes(5))`
4. For CI: ensure Docker available in CI runner environment
### Pattern 2: Determinism Test Drift
**Symptom:** Determinism tests fail with "Expected hash X, got hash Y"
**Root Cause:** Non-deterministic timestamps, GUIDs, or ordering
**Fix:**
1. Use `DeterministicTime` instead of `DateTime.UtcNow`
2. Use `DeterministicRandom` for random data
3. Explicit `ORDER BY` clauses in all queries
4. Strip timestamps from snapshots or use placeholders
### Pattern 3: Fixture Update Breaks Tests
**Symptom:** Connector tests fail after updating fixtures
**Root Cause:** Upstream schema drift (NVD, OSV, etc.)
**Fix:**
1. Review schema changes in upstream source
2. Update connector parser logic if needed
3. Regenerate expected snapshots with `UPDATE_CONNECTOR_FIXTURES=1`
4. Document schema version in fixture filename (e.g., `nvd_v1.1.json`)
### Pattern 4: WebService Contract Drift
**Symptom:** Contract tests fail with "OpenAPI schema mismatch"
**Root Cause:** Backend API schema changed (breaking change)
**Fix:**
1. Review API changes in backend PR
2. **If breaking:** Version API (e.g., `/api/v2/...`)
3. **If non-breaking:** Update contract snapshot
4. Coordinate with frontend/consumer teams
### Pattern 5: Circular Dependency (Attestor ↔ Signer)
**Symptom:** Integration tests blocked waiting for both Attestor and Signer
**Root Cause:** Attestor needs Signer for signing; Signer integration tests need Attestor
**Fix:**
1. **Signer Sprint (5100.0009.0006):** Use mock signing for initial tests; defer Attestor integration
2. **Attestor Sprint (5100.0009.0007):** Coordinate with Signer guild; run integration tests in Week 2
3. **Integration Sprint (post-module):** Full Attestor ↔ Signer integration validation
### Pattern 6: Flaky Tests (Timing Issues)
**Symptom:** Tests pass locally but fail intermittently in CI
**Root Cause:** Race conditions, sleeps, non-deterministic timing
**Fix:**
1. Use `DeterministicTime` instead of `Thread.Sleep` or `Task.Delay`
2. Use explicit waits (e.g., `await condition.UntilAsync(...)`) instead of fixed delays
3. Avoid hard-coded timeouts; use configurable timeouts
4. Run tests 10× locally to verify determinism
---
## Troubleshooting Guide
### Issue: "My sprint depends on Epic X, but Epic X is delayed"
**Solution:**
1. Check if partial Epic X deliverables available (e.g., TestKit Wave 1-2 complete → can start L0 tests)
2. If not, use mock/stub implementation
3. Coordinate with Epic X owner for preview build
4. If critically blocked: escalate to project manager for re-sequencing
### Issue: "Tests passing locally but failing in CI"
**Checklist:**
- [ ] Docker running in CI? (for Testcontainers)
- [ ] Environment variables set? (e.g., `STELLAOPS_TEST_POSTGRES_CONNECTION`)
- [ ] Correct .NET SDK version? (net10.0)
- [ ] Test isolation? (each test resets state)
- [ ] Deterministic? (run tests 10× locally)
### Issue: "Code coverage below target (80%)"
**Solution:**
1. Identify uncovered lines: `dotnet test --collect:"XPlat Code Coverage"`
2. Add unit tests for uncovered public methods
3. Add property tests for invariants
4. If coverage still low: review with guild lead (some boilerplate excluded from coverage)
### Issue: "Architecture tests failing (lattice boundary violation)"
**Solution:**
1. Review failing types: which assembly is referencing Scanner lattice?
2. **If legitimate:** Refactor to remove dependency (move logic to Scanner.WebService)
3. **If test project:** Add to allowlist in architecture test
### Issue: "Snapshot test failing after refactor"
**Solution:**
1. Review snapshot diff: is it intentional?
2. **If intentional:** Update snapshot (re-run test with snapshot update flag)
3. **If unintentional:** Revert refactor; investigate why output changed
---
## Sprint Templates
### Template: Task Status Update
```markdown
## Delivery Tracker
| # | Task ID | Status | Key dependency / next step | Owners | Task Definition |
| --- | --- | --- | --- | --- | --- |
| 1 | MODULE-5100-001 | DONE | None | John Doe | Add unit tests for... |
| 2 | MODULE-5100-002 | DOING | Task 1 | Jane Smith | Add property tests for... |
| 3 | MODULE-5100-003 | TODO | Task 2 | - | Add snapshot tests for... |
```
### Template: Execution Log Entry
```markdown
## Execution Log
| Date (UTC) | Update | Owner |
| --- | --- | --- |
| 2026-01-20 | Sprint created. | Project Mgmt |
| 2026-01-27 | Wave 1 complete (Tasks 1-5). | Guild Lead |
| 2026-02-03 | Wave 2 complete (Tasks 6-10). | Guild Lead |
| 2026-02-10 | Sprint signed off by Architect. | Project Mgmt |
```
### Template: Blocker Note
```markdown
## Decisions & Risks
| Risk | Impact | Mitigation | Owner |
| --- | --- | --- | --- |
| [BLOCKER] TestKit delayed by 1 week | Cannot start module tests | Using mock TestKit for initial development; switch to real TestKit Week 5 | Module Guild |
```
---
## Next Steps
1. **Week 1:** All guild leads review this playbook
2. **Week 1:** Project manager schedules kickoff meetings for Foundation Epics (Week 3)
3. **Week 2:** Epic sprint owners prepare kickoff materials (scope, wave breakdown, task assignments)
4. **Week 3:** Foundation Epic sprints begin (5100.0007.0002-0007)
---
**Prepared by:** Project Management
**Date:** 2025-12-23
**Next Review:** 2026-01-06 (Week 1 kickoff)

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# StellaOps Testing Strategy Master Plan (2026 H1)
> **Executive Summary:** Comprehensive 14-week testing initiative to establish model-driven test coverage across 15 modules, implement 6 foundation epics, and achieve 30%+ code coverage increase platform-wide.
---
## Document Control
| Attribute | Value |
|-----------|-------|
| **Program Name** | Testing Strategy Implementation 2026 H1 |
| **Program ID** | SPRINT-5100 |
| **Owner** | Project Management |
| **Status** | PLANNING |
| **Start Date** | 2026-01-06 (Week 1) |
| **Target End Date** | 2026-04-14 (Week 14) |
| **Budget** | TBD (resource model below) |
| **Last Updated** | 2025-12-23 |
---
## Table of Contents
1. [Program Objectives](#program-objectives)
2. [Scope & Deliverables](#scope--deliverables)
3. [Timeline & Phases](#timeline--phases)
4. [Resource Model](#resource-model)
5. [Risk Register](#risk-register)
6. [Success Metrics](#success-metrics)
7. [Governance](#governance)
8. [Communication Plan](#communication-plan)
---
## Program Objectives
### Primary Objectives
1. **Establish Model-Driven Testing:** Implement 9 test models (L0, S1, T1, C1, W1, WK1, AN1, CLI1, PERF) across 15 modules
2. **Increase Code Coverage:** Achieve ≥30% code coverage increase from baseline (current ~40% → target 70%+)
3. **Enforce Quality Gates:** Implement determinism, architecture, and module-specific quality gates
4. **Build Test Infrastructure:** Deliver 6 foundation epics (TestKit, Determinism, Storage, Connectors, WebService, Architecture)
5. **Enable CI/CD Confidence:** Establish PR-gating and merge-gating test lanes
### Secondary Objectives
1. **Reduce Test Flakiness:** Achieve 100% deterministic test pass rate (eliminate timing-based failures)
2. **Improve Developer Experience:** Standardize test patterns, reduce test authoring friction
3. **Establish Parity Monitoring:** Continuous validation against competitor tools (Syft, Grype, Trivy, Anchore)
4. **Document Test Strategy:** Create comprehensive testing guides and playbooks
---
## Scope & Deliverables
### In-Scope
#### Foundation Epics (Batch 5100.0007, 90 tasks)
| Sprint ID | Epic | Deliverables |
|-----------|------|--------------|
| 5100.0007.0001 | Master Testing Strategy | Strategy docs, test runner scripts, trait standardization, Epic sprint creation |
| 5100.0007.0002 | TestKit Foundations | DeterministicTime, DeterministicRandom, CanonicalJsonAssert, SnapshotAssert, PostgresFixture, ValkeyFixture, OtelCapture, HttpFixtureServer |
| 5100.0007.0003 | Determinism Gate | Determinism manifest format, expanded integration tests, CI artifact storage, drift detection |
| 5100.0007.0004 | Storage Harness | PostgresFixture (Testcontainers), ValkeyFixture, automatic migrations, schema isolation |
| 5100.0007.0005 | Connector Fixtures | Fixture discipline, FixtureUpdater tool, pilot adoption in Concelier.Connector.NVD |
| 5100.0007.0006 | WebService Contract | WebServiceFixture<TProgram>, contract test pattern, pilot adoption in Scanner.WebService |
| 5100.0007.0007 | Architecture Tests | NetArchTest.Rules, lattice placement enforcement, PR-gating architecture tests |
#### Module Test Implementations (Batch 5100.0009, 185 tasks)
| Sprint ID | Module | Test Models | Deliverables |
|-----------|--------|-------------|--------------|
| 5100.0009.0001 | Scanner | L0, AN1, S1, T1, W1, WK1, PERF | 25 tasks: property tests, SBOM/reachability/verdict snapshots, determinism, WebService contract, Worker e2e, perf smoke |
| 5100.0009.0002 | Concelier | C1, L0, S1, W1, AN1 | 18 tasks: connector fixtures (NVD/OSV/GHSA/CSAF), merge property tests, WebService contract, architecture enforcement |
| 5100.0009.0003 | Excititor | C1, L0, S1, W1, WK1 | 21 tasks: connector fixtures (CSAF/OpenVEX), format export snapshots, preserve-prune tests, Worker e2e, architecture enforcement |
| 5100.0009.0004 | Policy | L0, S1, W1 | 15 tasks: policy engine property tests, DSL roundtrip tests, verdict snapshots, unknown budget enforcement |
| 5100.0009.0005 | Authority | L0, W1, C1 | 17 tasks: auth logic tests, connector fixtures (OIDC/SAML/LDAP), WebService contract, sign/verify integration |
| 5100.0009.0006 | Signer | L0, W1, C1 | 17 tasks: canonical payload tests, crypto plugin tests (BouncyCastle/CryptoPro/eIDAS/SimRemote), WebService contract |
| 5100.0009.0007 | Attestor | L0, W1 | 14 tasks: DSSE envelope tests, Rekor integration tests, attestation statement snapshots, WebService contract |
| 5100.0009.0008 | Scheduler | L0, S1, W1, WK1 | 14 tasks: scheduling invariant property tests, storage idempotency, WebService contract, Worker e2e |
| 5100.0009.0009 | Notify | L0, C1, S1, W1, WK1 | 18 tasks: connector fixtures (email/Slack/Teams/webhook), WebService contract, Worker e2e |
| 5100.0009.0010 | CLI | CLI1 | 13 tasks: exit code tests, golden output tests, determinism tests |
| 5100.0009.0011 | UI | W1 | 13 tasks: API contract tests, E2E smoke tests, accessibility tests |
#### Infrastructure Test Implementations (Batch 5100.0010, 62 tasks)
| Sprint ID | Module Family | Deliverables |
|-----------|---------------|--------------|
| 5100.0010.0001 | EvidenceLocker + Findings + Replay | Immutability tests, ledger determinism, replay token security, WebService contract |
| 5100.0010.0002 | Graph + TimelineIndexer | Graph construction/traversal tests, indexer e2e, query determinism, WebService contract |
| 5100.0010.0003 | Router + Messaging | Transport compliance suite (in-memory/TCP/TLS/Valkey/RabbitMQ), routing determinism, fuzz tests |
| 5100.0010.0004 | AirGap | Bundle export/import determinism, policy analyzer tests, WebService contract, CLI tool tests |
#### Quality Gates (Batch 5100.0008, 11 tasks)
| Sprint ID | Purpose | Deliverables |
|-----------|---------|--------------|
| 5100.0008.0001 | Competitor Parity Testing | Parity test harness, fixture set (10-15 container images), comparison logic (SBOM/vuln/latency/errors), time-series storage, drift detection (>5% threshold) |
### Out-of-Scope
- ❌ **Performance optimization** (beyond PERF smoke tests for Scanner)
- ❌ **UI/UX testing** (beyond W1 contract tests and E2E smoke tests)
- ❌ **Load testing** (deferred to future sprint)
- ❌ **Chaos engineering** (deferred to future sprint)
- ❌ **Mobile/responsive testing** (not applicable - server-side platform)
- ❌ **Penetration testing** (separate security initiative)
---
## Timeline & Phases
### Master Timeline (14 Weeks, 2026-01-06 to 2026-04-14)
```
PHASE 1: FOUNDATION (Weeks 1-4)
┌─────────────────────────────────────────────────────────────┐
│ Week 1-2: Master Strategy (5100.0007.0001) │
│ - Documentation sync │
│ - Test runner scripts │
│ - Trait standardization │
│ - Epic sprint creation │
│ │
│ Week 3-4: TestKit Foundations (5100.0007.0002) ← CRITICAL │
│ - DeterministicTime, DeterministicRandom │
│ - CanonicalJsonAssert, SnapshotAssert │
│ - PostgresFixture, ValkeyFixture, OtelCapture │
└─────────────────────────────────────────────────────────────┘
PHASE 2: EPIC IMPLEMENTATION (Weeks 5-6)
┌─────────────────────────────────────────────────────────────┐
│ Week 5-6: 5 Epic Sprints (PARALLEL) │
│ - 5100.0007.0003 (Determinism Gate) │
│ - 5100.0007.0004 (Storage Harness) │
│ - 5100.0007.0005 (Connector Fixtures) │
│ - 5100.0007.0006 (WebService Contract) │
│ - 5100.0007.0007 (Architecture Tests) │
└─────────────────────────────────────────────────────────────┘
PHASE 3: MODULE TESTS - TIER 1 (Weeks 7-8)
┌─────────────────────────────────────────────────────────────┐
│ Week 7-8: 6 Module Sprints (PARALLEL) │
│ - Scanner, Concelier, Excititor (core platform) │
│ - Policy, Authority, Signer (security/compliance) │
└─────────────────────────────────────────────────────────────┘
PHASE 4: MODULE TESTS - TIER 2 (Weeks 9-10)
┌─────────────────────────────────────────────────────────────┐
│ Week 9-10: 5 Module Sprints (PARALLEL) │
│ - Attestor, Scheduler, Notify (platform services) │
│ - CLI, UI (client interfaces) │
└─────────────────────────────────────────────────────────────┘
PHASE 5: INFRASTRUCTURE TESTS (Weeks 11-14)
┌─────────────────────────────────────────────────────────────┐
│ Week 11-14: 4 Infrastructure Sprints (PARALLEL) │
│ - EvidenceLocker, Graph, Router/Messaging, AirGap │
└─────────────────────────────────────────────────────────────┘
ONGOING: QUALITY GATES (Weeks 3-14+)
┌─────────────────────────────────────────────────────────────┐
│ Week 3: Competitor Parity harness setup │
│ Week 4+: Nightly/weekly parity tests │
└─────────────────────────────────────────────────────────────┘
```
### Critical Path (14 Weeks)
**Week 1-2:** Master Strategy → **Week 3-4:** TestKit ← **BOTTLENECK** → **Week 5-6:** Epic Implementation → **Week 7-10:** Module Tests → **Week 11-14:** Infrastructure Tests
**Critical Path Risks:**
- TestKit delay → ALL downstream sprints blocked (+2-4 weeks)
- Storage harness delay → 10 sprints blocked (+2-3 weeks)
### Milestones
| Milestone | Week | Deliverables | Sign-Off Criteria |
|-----------|------|--------------|-------------------|
| **M1: Foundation Ready** | Week 4 | TestKit operational | DeterministicTime, SnapshotAssert, PostgresFixture, OtelCapture available; pilot adoption in 2+ modules |
| **M2: Epic Complete** | Week 6 | All 6 foundation epics complete | Determinism gate in CI; Storage harness operational; WebService contract tests in Scanner; Architecture tests PR-gating |
| **M3: Core Modules Tested** | Week 8 | Scanner, Concelier, Excititor, Policy, Authority, Signer complete | Code coverage increase ≥30%; quality gates passing |
| **M4: All Modules Tested** | Week 10 | All 11 module test sprints complete | All module-specific quality gates passing |
| **M5: Program Complete** | Week 14 | All infrastructure tests complete; program retrospective | All sprints signed off; final metrics review |
---
## Resource Model
### Guild Allocation
| Guild | Assigned Sprints | Peak Staffing (Weeks 7-10) | Avg Sprint Ownership |
|-------|------------------|----------------------------|----------------------|
| **Platform Guild** | TestKit, Storage, Architecture, EvidenceLocker, Graph, Router | 10 engineers | 6 sprints |
| **Scanner Guild** | Scanner | 3 engineers | 1 sprint |
| **Concelier Guild** | Concelier | 2 engineers | 1 sprint |
| **Excititor Guild** | Excititor | 2 engineers | 1 sprint |
| **Policy Guild** | Policy, AirGap (analyzers) | 2-4 engineers | 2 sprints |
| **Authority Guild** | Authority | 2 engineers | 1 sprint |
| **Crypto Guild** | Signer, Attestor | 4 engineers | 2 sprints |
| **Scheduler Guild** | Scheduler | 2 engineers | 1 sprint |
| **Notify Guild** | Notify | 2 engineers | 1 sprint |
| **CLI Guild** | CLI | 1 engineer | 1 sprint |
| **UI Guild** | UI | 2 engineers | 1 sprint |
| **AirGap Guild** | AirGap (core) | 2 engineers | 1 sprint |
| **QA Guild** | Competitor Parity | 2 engineers | 1 sprint |
### Staffing Profile
**Peak Staffing (Weeks 7-10):** 22-26 engineers
**Average Staffing (Weeks 1-14):** 12-16 engineers
**Critical Path Sprints (TestKit, Storage):** 3-4 senior engineers each
### Resource Constraints
| Constraint | Impact | Mitigation |
|------------|--------|------------|
| Platform Guild oversubscribed (10 engineers, 6 sprints) | Burnout, delays | Stagger Epic sprints (Storage Week 5, Connectors Week 6); hire contractors for Weeks 5-10 |
| Senior engineers limited (5-6 available) | TestKit/Storage quality risk | Assign 2 senior engineers to TestKit (critical path); 1 senior to Storage; rotate for reviews |
| UI Guild availability (Angular expertise scarce) | UI sprint delayed | Start UI sprint Week 10 (after Tier 1/2 modules); hire Angular contractor if needed |
---
## Risk Register
### High-Impact Risks (Severity: CRITICAL)
| ID | Risk | Probability | Impact | Mitigation | Owner | Status |
|----|------|-------------|--------|------------|-------|--------|
| R1 | TestKit delayed by 2+ weeks | MEDIUM | Blocks ALL 15 module/infra sprints; +4-6 weeks program delay | Staff with 2 senior engineers; daily standups; incremental releases (partial TestKit unblocks some modules) | Platform Guild | OPEN |
| R2 | Storage harness (Testcontainers) incompatible with .NET 10 | LOW | Blocks 10 sprints; +3-4 weeks delay | Validate Testcontainers compatibility Week 1; fallback to manual Postgres setup | Platform Guild | OPEN |
| R3 | Determinism tests fail due to non-deterministic crypto signatures | MEDIUM | Scanner, Signer, Attestor blocked; compliance issues | Focus determinism tests on payload hash (not signature bytes); document non-deterministic algorithms | Crypto Guild | OPEN |
| R4 | Concurrent module tests overwhelm CI infrastructure | HIGH | Test suite timeout, flaky tests, developer friction | Stagger module test starts (Tier 1 Week 7-8, Tier 2 Week 9-10); use dedicated CI runners; implement CI parallelization | Platform Guild | OPEN |
### Medium-Impact Risks
| ID | Risk | Probability | Impact | Mitigation | Owner | Status |
|----|------|-------------|--------|------------|-------|--------|
| R5 | Attestor-Signer circular dependency blocks integration tests | MEDIUM | Integration tests delayed 1-2 weeks | Signer uses mock attestation initially; coordinate integration in Week 9 | Crypto Guild | OPEN |
| R6 | Upstream schema drift (NVD, OSV) breaks connector fixtures | MEDIUM | Connector tests fail; manual fixture regeneration required | FixtureUpdater tool automates regeneration; weekly live smoke tests detect drift early | Concelier Guild | OPEN |
| R7 | WebService contract tests too brittle (fail on every API change) | MEDIUM | Developer friction, contract tests disabled | Version APIs explicitly; allow non-breaking changes; review contract test strategy Week 6 | Platform Guild | OPEN |
### Low-Impact Risks
| ID | Risk | Probability | Impact | Mitigation | Owner | Status |
|----|------|-------------|--------|------------|-------|--------|
| R8 | Property test generation too slow (FsCheck iterations high) | LOW | Test suite timeout | Limit property test iterations (default 100 → 50); profile and optimize generators | Scanner Guild | OPEN |
| R9 | Architecture tests false positive (allowlist too restrictive) | LOW | Valid code blocked | Review architecture rules Week 5; explicit allowlist for test projects, benchmarks | Platform Guild | OPEN |
| R10 | Competitor parity tests require paid Trivy/Anchore licenses | LOW | Parity testing incomplete | Use Trivy free tier; defer Anchore to future sprint; focus on Syft/Grype (OSS) | QA Guild | OPEN |
### Risk Burn-Down Plan
**Week 1:** Validate Testcontainers .NET 10 compatibility (R2)
**Week 2:** TestKit API design review (R1)
**Week 4:** Determinism test strategy review (R3)
**Week 6:** CI infrastructure capacity review (R4)
**Week 8:** Signer-Attestor integration coordination (R5)
---
## Success Metrics
### Quantitative Metrics
| Metric | Baseline | Target | Measurement Method | Tracked By |
|--------|----------|--------|-------------------|------------|
| **Code Coverage** | ~40% | ≥70% | `dotnet test --collect:"XPlat Code Coverage"` | Weekly (Fridays) |
| **Test Count** | ~200 tests | ≥500 tests | Test suite execution count | Weekly |
| **Determinism Pass Rate** | N/A (not tracked) | 100% (no flaky tests) | Determinism gate CI job | Daily (CI) |
| **Contract Test Coverage** | 0 WebServices | 13 WebServices (100%) | Contract lane CI job | Weekly |
| **Architecture Violations** | Unknown | 0 violations | Architecture test failures | Daily (CI, PR gate) |
| **Sprint On-Time Completion** | N/A | ≥80% | Tasks complete by wave deadline | Weekly |
### Qualitative Metrics
| Metric | Success Criteria | Measurement Method | Tracked By |
|--------|------------------|-------------------|------------|
| **Developer Experience** | ≥80% of developers rate test authoring as "easy" or "very easy" | Post-sprint developer survey (Week 14) | Project Manager |
| **Test Maintainability** | ≥75% of test failures are due to actual bugs (not test brittleness) | Monthly test failure classification | QA Guild |
| **Integration Confidence** | ≥90% of PRs pass CI on first attempt (no test fixes required) | CI metrics (PR pass rate) | Platform Guild |
### Program Success Criteria
✅ **Program Successful If:**
- All 22 sprints signed off (5100.0007.* + 5100.0008.0001 + 5100.0009.* + 5100.0010.*)
- Code coverage ≥70% platform-wide
- Determinism tests passing 100% in CI (no flaky tests)
- Contract tests enforced for all 13 WebServices
- Architecture tests PR-gating (lattice boundary violations blocked)
❌ **Program Failed If:**
- <18 sprints signed off (<80% completion)
- Code coverage increase <20% (baseline ~40% → <60%)
- Critical quality gates missing (Determinism, Architecture, Contract)
- TestKit not operational (blocking all module tests)
---
## Governance
### Steering Committee
| Role | Name | Responsibility |
|------|------|----------------|
| **Program Sponsor** | CTO | Final escalation; budget approval |
| **Program Manager** | Project Management | Overall program coordination; risk management |
| **Technical Lead** | Platform Guild Lead | Architecture decisions; technical escalation |
| **QA Lead** | QA Guild Lead | Quality gate oversight; test strategy validation |
### Decision-Making Authority
| Decision Type | Authority | Escalation Path |
|---------------|-----------|----------------|
| **Sprint scope changes** | Sprint owner + Guild lead | Program Manager → Steering Committee |
| **Architecture changes** | Platform Guild Lead | Steering Committee |
| **Resource allocation** | Program Manager | CTO (if >10% budget impact) |
| **Schedule changes (>1 week)** | Program Manager | Steering Committee |
| **Risk acceptance** | Program Manager | Steering Committee (for HIGH/CRITICAL risks) |
### Status Reporting
**Weekly Status Report (Fridays):**
- Sprint completion status (% tasks complete)
- Blockers and risks (RED/YELLOW/GREEN)
- Resource allocation (current vs. planned)
- Next week preview
**Monthly Executive Summary:**
- Program health (on-track / at-risk / off-track)
- Milestone completion (M1-M5)
- Budget vs. actuals
- Key risks and mitigations
### Change Control
**Change Request Process:**
1. **Requester submits change request** (scope, schedule, or resource change)
2. **Program Manager reviews** (impact analysis: cost, schedule, quality)
3. **Steering Committee approves/rejects** (for changes >1 week or >10% budget)
4. **Program Manager updates plan** (timeline, resource model, risk register)
---
## Communication Plan
### Stakeholders
| Stakeholder Group | Interest | Communication Frequency | Method |
|-------------------|----------|------------------------|--------|
| **Engineering Teams (Guilds)** | Sprint execution, dependencies | Daily/Weekly | Slack #testing-strategy, guild standups |
| **Guild Leads** | Sprint status, blockers | Weekly | Friday status sync (30 min) |
| **Product Management** | Quality gates, feature readiness | Bi-weekly | Sprint demos, monthly exec summary |
| **CTO / Executives** | Program health, budget | Monthly | Executive summary (email) |
### Meetings
#### Weekly Sync (Every Friday, 30 min)
**Attendees:** All active sprint owners + program manager
**Agenda:**
1. Sprint status updates (green/yellow/red) (15 min)
2. Blocker escalation (10 min)
3. Next week preview (5 min)
#### Monthly Steering Committee (First Monday, 60 min)
**Attendees:** Steering Committee (CTO, Program Manager, Platform Guild Lead, QA Lead)
**Agenda:**
1. Program health review (on-track / at-risk / off-track) (20 min)
2. Milestone completion (M1-M5) (15 min)
3. Budget vs. actuals (10 min)
4. Risk review (top 3 risks) (10 min)
5. Decisions required (5 min)
#### Retrospective (Week 14, 90 min)
**Attendees:** All guild leads + program manager + steering committee
**Agenda:**
1. Program retrospective (what went well, what didn't, lessons learned) (60 min)
2. Metrics review (code coverage, test count, determinism, etc.) (20 min)
3. Future improvements (next testing initiatives) (10 min)
---
## Appendices
### Appendix A: Sprint Inventory
**Total Sprints:** 22
- Foundation Epics: 7 (5100.0007.0001-0007)
- Quality Gates: 1 (5100.0008.0001)
- Module Tests: 11 (5100.0009.0001-0011)
- Infrastructure Tests: 4 (5100.0010.0001-0004)
**Total Tasks:** ~370 tasks
**Total Estimated Effort:** ~450 engineer-days (assuming avg 1.2 days/task)
### Appendix B: Reference Documents
1. **Advisory:** `docs/product-advisories/22-Dec-2026 - Better testing strategy.md`
2. **Test Catalog:** `docs/testing/TEST_CATALOG.yml`
3. **Test Models:** `docs/testing/testing-strategy-models.md`
4. **Dependency Graph:** `docs/testing/SPRINT_DEPENDENCY_GRAPH.md`
5. **Coverage Matrix:** `docs/testing/TEST_COVERAGE_MATRIX.md`
6. **Execution Playbook:** `docs/testing/SPRINT_EXECUTION_PLAYBOOK.md`
### Appendix C: Budget Estimate (Preliminary)
**Assumptions:**
- Average engineer cost: $150/hour (fully loaded)
- Average sprint duration: 80 hours (2 weeks × 40 hours)
- Peak staffing: 22 engineers (Weeks 7-10)
**Budget Estimate:**
- Foundation Phase (Weeks 1-6): 12 engineers × 240 hours × $150 = $432,000
- Module Tests Phase (Weeks 7-10): 22 engineers × 160 hours × $150 = $528,000
- Infrastructure Phase (Weeks 11-14): 8 engineers × 160 hours × $150 = $192,000
- **Total Estimated Cost:** $1,152,000
**Note:** Final budget requires approval from CTO/Finance. Contractor costs may reduce total if used strategically for peak staffing (Weeks 7-10).
---
**Prepared by:** Project Management
**Approval Required From:** Steering Committee (CTO, Program Manager, Platform Guild Lead, QA Lead)
**Date:** 2025-12-23
**Next Review:** 2026-01-06 (Week 1 kickoff)

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# Testing Strategy Coverage Matrix
> **Purpose:** Visual map of test model requirements per module, quality gates, and sprint-to-model relationships.
---
## Module-to-Model Coverage Map
### Legend
- ✅ **Required** (from TEST_CATALOG.yml)
- 🟡 **Optional** (recommended but not mandatory)
- ⬜ **Not Applicable**
### Model Definitions (Quick Reference)
| Model | Description | Key Tests |
|-------|-------------|-----------|
| **L0** | Library/Core | Unit, property, snapshot, determinism |
| **S1** | Storage/Postgres | Integration, migrations, idempotency, query ordering |
| **T1** | Transport/Queue | Protocol roundtrip, fuzz invalid, delivery semantics, backpressure |
| **C1** | Connector/External | Fixtures, snapshot, resilience, security |
| **W1** | WebService/API | Contract, authz, OTel, negative |
| **WK1** | Worker/Indexer | End-to-end, retries, idempotency, OTel |
| **AN1** | Analyzer/SourceGen | Diagnostics, codefixes, golden generated |
| **CLI1** | Tool/CLI | Exit codes, golden output, determinism |
| **PERF** | Benchmarks | Benchmark, perf smoke, regression thresholds |
---
## Coverage Matrix
### Core Modules
| Module | L0 | S1 | T1 | C1 | W1 | WK1 | AN1 | CLI1 | PERF | Sprint | Tasks |
|--------|----|----|----|----|----|----|-----|------|------|--------|-------|
| **Scanner** | ✅ | ✅ | ✅ | ⬜ | ✅ | ✅ | ✅ | ⬜ | ✅ | 5100.0009.0001 | 25 |
| **Concelier** | ✅ | ✅ | ⬜ | ✅ | ✅ | ⬜ | ✅ | ⬜ | ⬜ | 5100.0009.0002 | 18 |
| **Excititor** | ✅ | ✅ | ⬜ | ✅ | ✅ | ✅ | ⬜ | ⬜ | ⬜ | 5100.0009.0003 | 21 |
| **Policy** | ✅ | ✅ | ⬜ | ⬜ | ✅ | ⬜ | ⬜ | ⬜ | ⬜ | 5100.0009.0004 | 15 |
### Security & Compliance Modules
| Module | L0 | S1 | T1 | C1 | W1 | WK1 | AN1 | CLI1 | PERF | Sprint | Tasks |
|--------|----|----|----|----|----|----|-----|------|------|--------|-------|
| **Authority** | ✅ | ⬜ | ⬜ | ✅ | ✅ | ⬜ | ⬜ | ⬜ | ⬜ | 5100.0009.0005 | 17 |
| **Signer** | ✅ | ⬜ | ⬜ | ✅ | ✅ | ⬜ | ⬜ | ⬜ | ⬜ | 5100.0009.0006 | 17 |
| **Attestor** | ✅ | ⬜ | ⬜ | ⬜ | ✅ | ⬜ | ⬜ | ⬜ | ⬜ | 5100.0009.0007 | 14 |
### Platform Services
| Module | L0 | S1 | T1 | C1 | W1 | WK1 | AN1 | CLI1 | PERF | Sprint | Tasks |
|--------|----|----|----|----|----|----|-----|------|------|--------|-------|
| **Scheduler** | ✅ | ✅ | ⬜ | ⬜ | ✅ | ✅ | ⬜ | ⬜ | ⬜ | 5100.0009.0008 | 14 |
| **Notify** | ✅ | ✅ | ⬜ | ✅ | ✅ | ✅ | ⬜ | ⬜ | ⬜ | 5100.0009.0009 | 18 |
### Client Interfaces
| Module | L0 | S1 | T1 | C1 | W1 | WK1 | AN1 | CLI1 | PERF | Sprint | Tasks |
|--------|----|----|----|----|----|----|-----|------|------|--------|-------|
| **CLI** | ⬜ | ⬜ | ⬜ | ⬜ | ⬜ | ⬜ | ⬜ | ✅ | ⬜ | 5100.0009.0010 | 13 |
| **UI** | ⬜ | ⬜ | ⬜ | ⬜ | ✅ | ⬜ | ⬜ | ⬜ | ⬜ | 5100.0009.0011 | 13 |
### Infrastructure & Platform
| Module | L0 | S1 | T1 | C1 | W1 | WK1 | AN1 | CLI1 | PERF | Sprint | Tasks |
|--------|----|----|----|----|----|----|-----|------|------|--------|-------|
| **EvidenceLocker** | ✅ | ✅ | ⬜ | ⬜ | ✅ | ⬜ | ⬜ | ⬜ | ⬜ | 5100.0010.0001 | 16 |
| **Graph/Timeline** | ✅ | ✅ | ⬜ | ⬜ | ✅ | ✅ | ⬜ | ⬜ | ⬜ | 5100.0010.0002 | 15 |
| **Router/Messaging** | ✅ | ✅ | ✅ | ⬜ | ✅ | ⬜ | ⬜ | ⬜ | ⬜ | 5100.0010.0003 | 14 |
| **AirGap** | ✅ | ✅ | ⬜ | ⬜ | ✅ | ⬜ | ✅ | ✅ | ⬜ | 5100.0010.0004 | 17 |
---
## Model Distribution Analysis
### Models by Usage Frequency
| Model | Modules Using | Percentage | Complexity |
|-------|---------------|------------|------------|
| **L0** (Library/Core) | 13/15 modules | 87% | HIGH (property tests, snapshots) |
| **W1** (WebService) | 13/15 modules | 87% | MEDIUM (contract tests, auth) |
| **S1** (Storage) | 10/15 modules | 67% | HIGH (migrations, idempotency) |
| **C1** (Connectors) | 5/15 modules | 33% | MEDIUM (fixtures, resilience) |
| **WK1** (Workers) | 5/15 modules | 33% | MEDIUM (end-to-end, retries) |
| **AN1** (Analyzers) | 3/15 modules | 20% | HIGH (Roslyn, diagnostics) |
| **T1** (Transport) | 2/15 modules | 13% | HIGH (protocol compliance) |
| **CLI1** (CLI Tools) | 2/15 modules | 13% | LOW (exit codes, snapshots) |
| **PERF** (Performance) | 1/15 modules | 7% | MEDIUM (benchmarks, regression) |
### Complexity Heatmap
**High Complexity (>15 tasks per sprint):**
- Scanner (25 tasks: L0+AN1+S1+T1+W1+WK1+PERF)
- Excititor (21 tasks: C1+L0+S1+W1+WK1)
- Concelier (18 tasks: C1+L0+S1+W1+AN1)
- Notify (18 tasks: L0+C1+S1+W1+WK1)
- Authority (17 tasks: L0+W1+C1)
- Signer (17 tasks: L0+W1+C1)
- AirGap (17 tasks: L0+AN1+S1+W1+CLI1)
**Medium Complexity (10-15 tasks):**
- Policy (15 tasks: L0+S1+W1)
- EvidenceLocker (16 tasks: L0+S1+W1)
- Graph/Timeline (15 tasks: L0+S1+W1+WK1)
- Scheduler (14 tasks: L0+S1+W1+WK1)
- Attestor (14 tasks: L0+W1)
- Router/Messaging (14 tasks: L0+T1+W1+S1)
- CLI (13 tasks: CLI1)
- UI (13 tasks: W1)
---
## Quality Gate Coverage
### Module-Specific Quality Gates (from TEST_CATALOG.yml)
| Module | Quality Gates | Enforced By |
|--------|---------------|-------------|
| **Scanner** | determinism, reachability_evidence, proof_spine | Sprint 5100.0009.0001 Tasks 7-10, 23-25 |
| **Concelier** | fixture_coverage, normalization_determinism, no_lattice_dependency | Sprint 5100.0009.0002 Tasks 1-7, 8-10, 18 |
| **Excititor** | preserve_prune_source, format_snapshots, no_lattice_dependency | Sprint 5100.0009.0003 Tasks 6-11, 21 |
| **Policy** | unknown_budget, verdict_snapshot | Sprint 5100.0009.0004 Tasks 2, 4, 14-15 |
| **Authority** | scope_enforcement, sign_verify | Sprint 5100.0009.0005 Tasks 3-5, 16-17 |
| **Signer** | canonical_payloads, sign_verify | Sprint 5100.0009.0006 Tasks 1-3, 15-17 |
| **Attestor** | rekor_receipts, dsse_verify | Sprint 5100.0009.0007 Tasks 6-8, 2 |
| **Scheduler** | idempotent_jobs, retry_backoff | Sprint 5100.0009.0008 Tasks 4, 3, 12 |
| **Notify** | connector_snapshots, retry_semantics | Sprint 5100.0009.0009 Tasks 1-6, 16 |
| **CLI** | exit_codes, stdout_snapshots | Sprint 5100.0009.0010 Tasks 1-4, 5-8 |
| **UI** | contract_snapshots, e2e_smoke | Sprint 5100.0009.0011 Tasks 1-2, 7-10 |
### Cross-Cutting Quality Gates
| Gate | Applies To | Enforced By |
|------|-----------|-------------|
| **Determinism Contract** | Scanner, Excititor, Signer, CLI, AirGap, Concelier | Sprint 5100.0007.0003 (Determinism Gate) |
| **Architecture Boundaries** | Concelier, Excititor (must NOT reference Scanner lattice) | Sprint 5100.0007.0007 (Architecture Tests) |
| **Contract Stability** | All WebServices (13 modules) | Sprint 5100.0007.0006 (WebService Contract) |
| **Storage Idempotency** | All S1 modules (10 modules) | Sprint 5100.0007.0004 (Storage Harness) |
| **Connector Resilience** | All C1 modules (5 modules) | Sprint 5100.0007.0005 (Connector Fixtures) |
---
## CI Lane Coverage
### Test Distribution Across CI Lanes
| CI Lane | Models | Modules | Sprint Tasks | Est. Runtime |
|---------|--------|---------|--------------|--------------|
| **Unit** | L0, AN1, CLI1 | All 15 modules | ~120 tasks | <5 min |
| **Contract** | W1 | 13 modules | ~50 tasks | <2 min |
| **Integration** | S1, WK1, T1 | 12 modules | ~100 tasks | 10-15 min |
| **Security** | C1 (security tests), W1 (auth tests) | 5 connectors + 13 WebServices | ~60 tasks | 5-10 min |
| **Performance** | PERF | Scanner only | ~3 tasks | 3-5 min |
| **Live** | C1 (live smoke tests) | Concelier, Excititor, Notify, Authority, Signer | ~5 tasks (opt-in) | 5-10 min (nightly) |
### CI Lane Dependencies
```
PR Gate (Must Pass):
├─ Unit Lane (L0, AN1, CLI1) ← Fast feedback
├─ Contract Lane (W1) ← API stability
├─ Architecture Lane (Sprint 5100.0007.0007) ← Boundary enforcement
└─ Integration Lane (S1, WK1, T1) ← Testcontainers
Merge Gate (Must Pass):
├─ All PR Gate lanes
├─ Security Lane (C1 security, W1 auth)
└─ Determinism Lane (Sprint 5100.0007.0003)
Nightly (Optional):
├─ Performance Lane (PERF)
└─ Live Lane (C1 live smoke)
Weekly (Optional):
└─ Competitor Parity (Sprint 5100.0008.0001)
```
---
## Epic-to-Model Coverage
### Epic Sprints Support Multiple Models
| Epic Sprint | Models Enabled | Consuming Modules | Tasks |
|-------------|----------------|-------------------|-------|
| **5100.0007.0002 (TestKit)** | ALL (L0, S1, T1, C1, W1, WK1, AN1, CLI1, PERF) | ALL 15 modules | 13 |
| **5100.0007.0003 (Determinism)** | L0 (determinism), CLI1 (determinism) | Scanner, Excititor, Signer, CLI, AirGap, Concelier | 12 |
| **5100.0007.0004 (Storage)** | S1 | 10 modules | 12 |
| **5100.0007.0005 (Connectors)** | C1 | Concelier, Excititor, Authority, Signer, Notify | 12 |
| **5100.0007.0006 (WebService)** | W1 | 13 modules | 12 |
| **5100.0007.0007 (Architecture)** | (Cross-cutting) | Concelier, Excititor | 17 |
---
## Test Type Distribution
### By Test Category (Trait)
| Test Category | Model Coverage | Estimated Test Count | CI Lane |
|---------------|----------------|----------------------|---------|
| **Unit** | L0, AN1 | ~150 tests across 13 modules | Unit |
| **Property** | L0 (subset) | ~40 tests (Scanner, Policy, Scheduler, Router) | Unit |
| **Snapshot** | L0, C1, CLI1 | ~80 tests (all modules with canonical outputs) | Unit/Contract |
| **Integration** | S1, WK1, T1 | ~120 tests across 12 modules | Integration |
| **Contract** | W1 | ~50 tests (13 WebServices × avg 4 endpoints) | Contract |
| **Security** | C1 (security), W1 (auth) | ~60 tests | Security |
| **Performance** | PERF | ~3 tests (Scanner only) | Performance |
| **Live** | C1 (live smoke) | ~5 tests (opt-in, nightly) | Live |
---
## Coverage Gaps & Recommendations
### Current Gaps
1. **Performance Testing:** Only Scanner has PERF model
- **Recommendation:** Add PERF to Policy (policy evaluation latency), Concelier (merge performance), Scheduler (scheduling overhead)
2. **Transport Testing:** Only Router/Messaging has T1 model
- **Recommendation:** Scanner has T1 in TEST_CATALOG.yml but should validate Valkey transport for job queues
3. **Live Connector Tests:** Only 5 modules have C1 live smoke tests (opt-in)
- **Recommendation:** Run weekly, not nightly; treat as early warning system for schema drift
### Recommended Additions (Future Sprints)
| Module | Missing Model | Justification | Priority |
|--------|---------------|---------------|----------|
| Policy | PERF | Policy evaluation latency critical for real-time decisioning | HIGH |
| Concelier | PERF | Merge performance affects ingestion throughput | MEDIUM |
| Scheduler | PERF | Scheduling overhead affects job execution latency | MEDIUM |
| Scanner | T1 (validate) | Job queue transport (Valkey) should have compliance tests | HIGH |
| Authority | S1 | Token storage/revocation should have migration tests | MEDIUM |
---
## Summary Statistics
**Total Test Models:** 9
**Total Modules Covered:** 15
**Total Module Test Sprints:** 15 (11 module + 4 infrastructure)
**Total Epic Sprints:** 6
**Total Quality Gate Sprints:** 1 (Competitor Parity)
**Model Usage:**
- L0: 13 modules (87%)
- W1: 13 modules (87%)
- S1: 10 modules (67%)
- C1: 5 modules (33%)
- WK1: 5 modules (33%)
- AN1: 3 modules (20%)
- T1: 2 modules (13%)
- CLI1: 2 modules (13%)
- PERF: 1 module (7%)
**Estimated Total Tests:** ~500 tests across all modules and models
---
**Prepared by:** Project Management
**Date:** 2025-12-23
**Next Review:** 2026-01-06 (Week 1 kickoff)
**Source:** `docs/testing/TEST_CATALOG.yml`, Sprint files 5100.0009.* and 5100.0010.*

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# CI Lane Filters and Test Traits
This document describes how to categorize tests by lane and test type for CI filtering.
## Test Lanes
StellaOps uses standardized test lanes based on `docs/testing/TEST_CATALOG.yml`:
| Lane | Purpose | Characteristics | PR Gating |
|------|---------|-----------------|-----------|
| **Unit** | Fast, isolated tests | No I/O, deterministic, offline | ✅ Yes |
| **Contract** | API contract stability | Schema/OpenAPI validation | ✅ Yes |
| **Integration** | Service and storage tests | Uses Testcontainers (Postgres/Valkey) | ✅ Yes |
| **Security** | Security regression tests | authz, negative cases, injection tests | ✅ Yes |
| **Performance** | Benchmark and perf smoke | Regression thresholds | ⚠️ Optional |
| **Live** | External connector smoke tests | Requires network, upstream deps | ❌ No (opt-in only) |
## Using Test Traits
Add `StellaOps.TestKit` to your test project:
```xml
<ItemGroup>
<ProjectReference Include="..\..\__Libraries\StellaOps.TestKit\StellaOps.TestKit.csproj" />
</ItemGroup>
```
### Lane Attributes
Mark tests with lane attributes:
```csharp
using StellaOps.TestKit.Traits;
using Xunit;
public class MyTests
{
[Fact]
[UnitTest] // Runs in Unit lane
public void FastIsolatedTest()
{
// No I/O, deterministic
}
[Fact]
[IntegrationTest] // Runs in Integration lane
public async Task DatabaseTest()
{
// Uses Testcontainers PostgreSQL
}
[Fact]
[SecurityTest] // Runs in Security lane
public void AuthorizationTest()
{
// Tests RBAC, scope enforcement
}
[Fact]
[LiveTest] // Runs in Live lane (opt-in only)
public async Task ExternalApiTest()
{
// Calls external service
}
}
```
### Test Type Attributes
Mark tests with specific test types:
```csharp
[Fact]
[UnitTest]
[DeterminismTest] // Verifies deterministic output
public void SbomGenerationIsDeterministic()
{
var sbom1 = GenerateSbom();
var sbom2 = GenerateSbom();
Assert.Equal(sbom1, sbom2); // Must be identical
}
[Fact]
[IntegrationTest]
[SnapshotTest] // Compares against golden file
public void ApiResponseMatchesSnapshot()
{
var response = CallApi();
SnapshotHelper.VerifySnapshot(response, "api_response.json");
}
[Fact]
[SecurityTest]
[AuthzTest] // Tests authorization
public void UnauthorizedRequestIsRejected()
{
// Test RBAC enforcement
}
```
## Running Tests by Lane
### Command Line
```bash
# Run Unit tests only
dotnet test --filter "Lane=Unit"
# Run Integration tests only
dotnet test --filter "Lane=Integration"
# Run Security tests only
dotnet test --filter "Lane=Security"
# Using the helper script
./scripts/test-lane.sh Unit
./scripts/test-lane.sh Integration --results-directory ./test-results
```
### CI Workflows
Example job for Unit lane:
```yaml
unit-tests:
runs-on: ubuntu-22.04
steps:
- uses: actions/checkout@v4
- name: Setup .NET
uses: actions/setup-dotnet@v4
with:
dotnet-version: '10.0.x'
- name: Run Unit tests
run: |
dotnet test \
--filter "Lane=Unit" \
--configuration Release \
--logger "trx;LogFileName=unit-tests.trx" \
--results-directory ./test-results
```
Example job for Integration lane:
```yaml
integration-tests:
runs-on: ubuntu-22.04
services:
postgres:
image: postgres:16-alpine
# ...
steps:
- name: Run Integration tests
run: |
dotnet test \
--filter "Lane=Integration" \
--configuration Release \
--logger "trx;LogFileName=integration-tests.trx" \
--results-directory ./test-results
```
## Lane Filtering Best Practices
### Unit Lane
- ✅ Pure functions, logic tests
- ✅ In-memory operations
- ✅ Deterministic time/random (use `StellaOps.TestKit.Time.DeterministicClock`)
- ❌ No file I/O (except snapshots in `__snapshots__/`)
- ❌ No network calls
- ❌ No databases
### Contract Lane
- ✅ OpenAPI schema validation
- ✅ API response envelope checks
- ✅ Contract stability tests
- ❌ No external dependencies
### Integration Lane
- ✅ Testcontainers for Postgres/Valkey
- ✅ End-to-end service flows
- ✅ Multi-component interactions
- ❌ No external/live services
### Security Lane
- ✅ Authorization/authentication tests
- ✅ Input validation (SQL injection, XSS prevention)
- ✅ RBAC scope enforcement
- ✅ Negative test cases
### Performance Lane
- ✅ Benchmarks with `[Benchmark]` attribute
- ✅ Performance smoke tests
- ✅ Regression threshold checks
- ⚠️ Not PR-gating by default (runs on schedule)
### Live Lane
- ✅ External API smoke tests
- ✅ Upstream connector validation
- ❌ **Never PR-gating**
- ⚠️ Opt-in only (schedule or manual trigger)
## Combining Traits
You can combine multiple traits:
```csharp
[Fact]
[IntegrationTest]
[TestType("idempotency")]
[TestType("postgres")]
public async Task JobExecutionIsIdempotent()
{
// Test uses Postgres fixture and verifies idempotency
}
```
## Migration Guide
If you have existing tests without lane attributes:
1. **Identify test characteristics**:
- Does it use I/O? → `IntegrationTest`
- Is it fast and isolated? → `UnitTest`
- Does it test auth/security? → `SecurityTest`
- Does it call external APIs? → `LiveTest`
2. **Add appropriate attributes**:
```csharp
[Fact]
[UnitTest] // Add this
public void ExistingTest() { ... }
```
3. **Verify in CI**:
```bash
# Should only run newly tagged tests
dotnet test --filter "Lane=Unit"
```
## Related Documentation
- Test Catalog: `docs/testing/TEST_CATALOG.yml`
- Testing Strategy: `docs/testing/testing-strategy-models.md`
- TestKit README: `src/__Libraries/StellaOps.TestKit/README.md`

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# CI Lane Integration Guide
This guide explains how to integrate the standardized test lane filtering into CI workflows.
## Overview
StellaOps uses a lane-based test categorization system with six standardized lanes:
- **Unit**: Fast, isolated, deterministic tests (PR-gating)
- **Contract**: API contract stability tests (PR-gating)
- **Integration**: Service and storage tests with Testcontainers (PR-gating)
- **Security**: AuthZ, input validation, negative tests (PR-gating)
- **Performance**: Benchmarks and regression thresholds (optional/scheduled)
- **Live**: External API smoke tests (opt-in only, never PR-gating)
## Using Lane Filters in CI
### Using the Test Runner Script
The recommended approach is to use `scripts/test-lane.sh`:
```yaml
- name: Run Unit lane tests
run: |
chmod +x scripts/test-lane.sh
./scripts/test-lane.sh Unit \
--logger "trx;LogFileName=unit-tests.trx" \
--results-directory ./test-results \
--verbosity normal
```
### Direct dotnet test Filtering
Alternatively, use `dotnet test` with lane filters directly:
```yaml
- name: Run Integration lane tests
run: |
dotnet test \
--filter "Lane=Integration" \
--configuration Release \
--logger "trx;LogFileName=integration-tests.trx" \
--results-directory ./test-results
```
## Lane-Based Workflow Pattern
### Full Workflow Example
See `.gitea/workflows/test-lanes.yml` for a complete reference implementation.
Key features:
- **Separate jobs per lane** for parallel execution
- **PR-gating lanes** run on all PRs (Unit, Contract, Integration, Security)
- **Optional lanes** run on schedule or manual trigger (Performance, Live)
- **Test results summary** aggregates all lane results
### Job Structure
```yaml
unit-tests:
name: Unit Tests
runs-on: ubuntu-22.04
timeout-minutes: 15
steps:
- uses: actions/checkout@v4
- name: Setup .NET
uses: actions/setup-dotnet@v4
with:
dotnet-version: '10.0.100'
- name: Build
run: dotnet build src/StellaOps.sln --configuration Release
- name: Run Unit lane
run: ./scripts/test-lane.sh Unit --results-directory ./test-results
- name: Upload results
uses: actions/upload-artifact@v4
with:
name: unit-test-results
path: ./test-results
```
## Lane Execution Guidelines
### Unit Lane
- **Timeout**: 10-15 minutes
- **Dependencies**: None (no I/O, no network, no databases)
- **PR gating**: ✅ Required
- **Characteristics**: Deterministic, fast, offline
### Contract Lane
- **Timeout**: 5-10 minutes
- **Dependencies**: None (schema validation only)
- **PR gating**: ✅ Required
- **Characteristics**: OpenAPI/schema validation, no external calls
### Integration Lane
- **Timeout**: 20-30 minutes
- **Dependencies**: Testcontainers (Postgres, Valkey)
- **PR gating**: ✅ Required
- **Characteristics**: End-to-end service flows, database tests
### Security Lane
- **Timeout**: 15-20 minutes
- **Dependencies**: Testcontainers (if needed for auth tests)
- **PR gating**: ✅ Required
- **Characteristics**: RBAC, injection prevention, negative tests
### Performance Lane
- **Timeout**: 30-45 minutes
- **Dependencies**: Baseline data, historical metrics
- **PR gating**: ❌ Optional (scheduled/manual)
- **Characteristics**: Benchmarks, regression thresholds
### Live Lane
- **Timeout**: 15-20 minutes
- **Dependencies**: External APIs, upstream services
- **PR gating**: ❌ Never (opt-in only)
- **Characteristics**: Smoke tests, connector validation
## Migration from Per-Project to Lane-Based
### Before (Per-Project)
```yaml
- name: Run Concelier tests
run: dotnet test src/Concelier/StellaOps.Concelier.sln
- name: Run Authority tests
run: dotnet test src/Authority/StellaOps.Authority.sln
- name: Run Scanner tests
run: dotnet test src/Scanner/StellaOps.Scanner.sln
```
### After (Lane-Based)
```yaml
- name: Run Unit lane
run: ./scripts/test-lane.sh Unit
- name: Run Integration lane
run: ./scripts/test-lane.sh Integration
- name: Run Security lane
run: ./scripts/test-lane.sh Security
```
**Benefits**:
- Run all unit tests across all modules in parallel
- Clear separation of concerns by test type
- Faster feedback (fast tests run first)
- Better resource utilization (no Testcontainers for Unit tests)
## Best Practices
### 1. Parallel Execution
Run PR-gating lanes in parallel for faster feedback:
```yaml
jobs:
unit-tests:
# ...
integration-tests:
# ...
security-tests:
# ...
```
### 2. Conditional Execution
Use workflow inputs for optional lanes:
```yaml
on:
workflow_dispatch:
inputs:
run_performance:
type: boolean
default: false
jobs:
performance-tests:
if: github.event.inputs.run_performance == 'true'
# ...
```
### 3. Test Result Aggregation
Create a summary job that depends on all lane jobs:
```yaml
test-summary:
needs: [unit-tests, contract-tests, integration-tests, security-tests]
if: always()
steps:
- name: Download all results
uses: actions/download-artifact@v4
- name: Generate summary
run: ./scripts/ci/aggregate-test-results.sh
```
### 4. Timeout Configuration
Set appropriate timeouts per lane:
```yaml
unit-tests:
timeout-minutes: 15 # Fast
integration-tests:
timeout-minutes: 30 # Testcontainers startup
performance-tests:
timeout-minutes: 45 # Benchmark execution
```
### 5. Environment Isolation
Use Testcontainers for Integration lane, not GitHub Actions services:
```yaml
integration-tests:
steps:
- name: Run Integration tests
env:
POSTGRES_TEST_IMAGE: postgres:16-alpine
run: ./scripts/test-lane.sh Integration
```
Testcontainers provides:
- Per-test isolation
- Automatic cleanup
- Consistent behavior across environments
## Troubleshooting
### Tests Not Found
**Problem**: `dotnet test --filter "Lane=Unit"` finds no tests
**Solution**: Ensure tests have lane attributes:
```csharp
[Fact]
[UnitTest] // This attribute is required
public void MyTest() { }
```
### Wrong Lane Assignment
**Problem**: Integration test running in Unit lane
**Solution**: Check test attributes:
```csharp
// Bad: No database in Unit lane
[Fact]
[UnitTest]
public async Task DatabaseTest() { /* uses Postgres */ }
// Good: Use Integration lane for database tests
[Fact]
[IntegrationTest]
public async Task DatabaseTest() { /* uses Testcontainers */ }
```
### Testcontainers Timeout
**Problem**: Integration tests timeout waiting for containers
**Solution**: Increase job timeout and ensure Docker is available:
```yaml
integration-tests:
timeout-minutes: 30 # Increased from 15
steps:
- name: Verify Docker
run: docker info
```
### Live Tests in PR
**Problem**: Live lane tests failing in PRs
**Solution**: Never run Live tests in PRs:
```yaml
live-tests:
if: github.event_name == 'workflow_dispatch' && github.event.inputs.run_live == 'true'
# Never runs automatically on PR
```
## Integration with Existing Workflows
### Adding Lane-Based Testing to build-test-deploy.yml
Replace per-module test execution with lane-based execution:
```yaml
# Old approach
- name: Run Concelier tests
run: dotnet test src/Concelier/StellaOps.Concelier.sln
# New approach (recommended)
- name: Run all Unit tests
run: ./scripts/test-lane.sh Unit
- name: Run all Integration tests
run: ./scripts/test-lane.sh Integration
```
### Gradual Migration Strategy
1. **Phase 1**: Add lane attributes to existing tests
2. **Phase 2**: Add lane-based jobs alongside existing per-project jobs
3. **Phase 3**: Monitor lane-based jobs for stability
4. **Phase 4**: Remove per-project jobs once lane-based jobs proven stable
## Related Documentation
- Test Lane Filters: `docs/testing/ci-lane-filters.md`
- Testing Strategy: `docs/testing/testing-strategy-models.md`
- Test Catalog: `docs/testing/TEST_CATALOG.yml`
- TestKit README: `src/__Libraries/StellaOps.TestKit/README.md`
- Example Workflow: `.gitea/workflows/test-lanes.yml`

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# CI Quality Gates
Sprint: `SPRINT_0350_0001_0001_ci_quality_gates_foundation`
Task: `QGATE-0350-009`
## Overview
StellaOps implements automated quality gates in CI to enforce:
- **Reachability Quality** - Recall/precision thresholds for vulnerability detection
- **TTFS Regression** - Time-to-First-Signal performance tracking
- **Performance SLOs** - Scan time and compute budget enforcement
These gates run as part of the `build-test-deploy.yml` workflow after the main test suite completes.
## Quality Gate Jobs
### Reachability Quality Gate
**Script:** `scripts/ci/compute-reachability-metrics.sh`
**Config:** `scripts/ci/reachability-thresholds.yaml`
Validates that the scanner meets recall/precision thresholds against the ground-truth corpus.
#### Metrics Computed
| Metric | Description | Threshold |
|--------|-------------|-----------|
| `runtime_dependency_recall` | % of runtime dep vulns detected | ≥ 95% |
| `unreachable_false_positives` | FP rate for unreachable findings | ≤ 5% |
| `reachability_underreport` | Underreporting rate | ≤ 10% |
| `os_package_recall` | % of OS package vulns detected | ≥ 92% |
| `code_vuln_recall` | % of code vulns detected | ≥ 88% |
| `config_vuln_recall` | % of config vulns detected | ≥ 85% |
#### Running Locally
```bash
# Dry run (no enforcement)
./scripts/ci/compute-reachability-metrics.sh --dry-run
# Full run against corpus
./scripts/ci/compute-reachability-metrics.sh
```
### TTFS Regression Gate
**Script:** `scripts/ci/compute-ttfs-metrics.sh`
**Baseline:** `bench/baselines/ttfs-baseline.json`
Detects performance regressions in Time-to-First-Signal.
#### Metrics Computed
| Metric | Description | Threshold |
|--------|-------------|-----------|
| `ttfs_p50_ms` | P50 time to first signal | ≤ baseline + 10% |
| `ttfs_p95_ms` | P95 time to first signal | ≤ baseline + 15% |
| `ttfs_max_ms` | Maximum TTFS | ≤ baseline + 25% |
#### Baseline Format
```json
{
"ttfs_p50_ms": 450,
"ttfs_p95_ms": 1200,
"ttfs_max_ms": 3000,
"measured_at": "2025-12-16T00:00:00Z",
"sample_count": 1000
}
```
### Performance SLO Gate
**Script:** `scripts/ci/enforce-performance-slos.sh`
**Config:** `scripts/ci/performance-slos.yaml`
Enforces scan time and compute budget SLOs.
#### SLOs Enforced
| SLO | Description | Target |
|-----|-------------|--------|
| `scan_time_p50_ms` | P50 scan time | ≤ 120,000ms (2 min) |
| `scan_time_p95_ms` | P95 scan time | ≤ 300,000ms (5 min) |
| `memory_peak_mb` | Peak memory usage | ≤ 2048 MB |
| `cpu_seconds` | Total CPU time | ≤ 120 seconds |
## Workflow Integration
Quality gates are integrated into the main CI workflow:
```yaml
# .gitea/workflows/build-test-deploy.yml
quality-gates:
runs-on: ubuntu-22.04
needs: build-test
steps:
- name: Reachability quality gate
run: ./scripts/ci/compute-reachability-metrics.sh
- name: TTFS regression gate
run: ./scripts/ci/compute-ttfs-metrics.sh
- name: Performance SLO gate
run: ./scripts/ci/enforce-performance-slos.sh --warn-only
```
## Failure Modes
### Hard Failure (Blocks Merge)
- Reachability recall below threshold
- TTFS regression exceeds 25%
- Memory budget exceeded by 50%
### Soft Failure (Warning Only)
- Minor TTFS regression (< 15%)
- Memory near budget limit
- Missing baseline data (new fixtures)
## Adding New Quality Gates
1. Create computation script in `scripts/ci/`
2. Add threshold configuration (YAML or JSON)
3. Integrate into workflow as a new step
4. Update this documentation
5. Add to sprint tracking
## Troubleshooting
### Gate Fails on PR but Passes on Main
Check for:
- Non-deterministic test execution
- Timing-sensitive assertions
- Missing test fixtures in PR branch
### Baseline Drift
If baselines become stale:
```bash
# Regenerate baselines
./scripts/ci/compute-ttfs-metrics.sh --update-baseline
./scripts/ci/compute-reachability-metrics.sh --update-baseline
```
## Related Documentation
- [Test Suite Overview](../TEST_SUITE_OVERVIEW.md)
- [Testing Strategy Models](./testing-strategy-models.md)
- [Test Catalog](./TEST_CATALOG.yml)
- [Reachability Corpus Plan](../reachability/corpus-plan.md)
- [Performance Workbook](../PERFORMANCE_WORKBOOK.md)
- [Testing Quality Guardrails](./testing-quality-guardrails-implementation.md)

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# Competitor Parity Testing Guide
This document describes StellaOps' competitor parity testing methodology, which ensures we maintain feature parity and performance competitiveness with industry-standard scanners.
## Overview
Parity testing compares StellaOps against three primary competitors:
| Tool | Type | Primary Function |
|------|------|------------------|
| **Syft** (Anchore) | SBOM Generator | Package extraction and SBOM creation |
| **Grype** (Anchore) | Vulnerability Scanner | CVE detection using Syft SBOMs |
| **Trivy** (Aqua) | Multi-scanner | SBOM + vulnerability + secrets + misconfig |
## Goals
1. **Prevent regression**: Detect when StellaOps falls behind competitors on key metrics
2. **Track trends**: Monitor parity metrics over time to identify drift patterns
3. **Guide development**: Use competitor gaps to prioritize feature work
4. **Validate claims**: Ensure marketing claims are backed by measurable data
## Fixture Set
Tests run against a standardized set of container images that represent diverse workloads:
### Quick Set (Nightly)
- Alpine 3.19
- Debian 12
- Ubuntu 24.04
- Python 3.12-slim
- Node.js 22-alpine
- nginx:1.25 (known vulnerabilities)
### Full Set (Weekly)
All quick set images plus:
- RHEL 9 UBI
- Go 1.22-alpine
- Rust 1.79-slim
- OpenJDK 21-slim
- .NET 8.0-alpine
- postgres:16 (known vulnerabilities)
- wordpress:6.5 (complex application)
- redis:7-alpine
- Multi-layer image (test depth)
## Metrics Collected
### SBOM Metrics
| Metric | Description | Target |
|--------|-------------|--------|
| Package Count | Total packages detected | ≥95% of Syft |
| PURL Completeness | Packages with valid PURLs | ≥98% |
| License Detection | Packages with license info | ≥90% |
| CPE Mapping | Packages with CPE identifiers | ≥85% |
### Vulnerability Metrics
| Metric | Description | Target |
|--------|-------------|--------|
| Recall | CVEs found vs. union of all scanners | ≥95% |
| Precision | True positives vs. total findings | ≥90% |
| F1 Score | Harmonic mean of precision/recall | ≥92% |
| Severity Distribution | Breakdown by Critical/High/Medium/Low | Match competitors ±10% |
### Latency Metrics
| Metric | Description | Target |
|--------|-------------|--------|
| P50 | Median scan time | ≤1.5x Grype |
| P95 | 95th percentile scan time | ≤2x Grype |
| P99 | 99th percentile scan time | ≤3x Grype |
| Time-to-First-Signal | Time to first vulnerability found | ≤Grype |
### Error Handling Metrics
| Scenario | Expected Behavior |
|----------|------------------|
| Malformed manifest | Graceful degradation with partial results |
| Network timeout | Clear error message; cached feed fallback |
| Large image (>5GB) | Streaming extraction; no OOM |
| Corrupt layer | Skip layer; report warning |
| Missing base layer | Report incomplete scan |
| Registry auth failure | Clear auth error; suggest remediation |
| Rate limiting | Backoff + retry; clear message |
## Running Parity Tests
### Locally
```bash
# Build the parity test project
dotnet build tests/parity/StellaOps.Parity.Tests
# Run quick fixture set
dotnet test tests/parity/StellaOps.Parity.Tests \
-e PARITY_FIXTURE_SET=quick \
-e PARITY_OUTPUT_PATH=./parity-results
# Run full fixture set
dotnet test tests/parity/StellaOps.Parity.Tests \
-e PARITY_FIXTURE_SET=full \
-e PARITY_OUTPUT_PATH=./parity-results
```
### Prerequisites
Ensure competitor tools are installed and in PATH:
```bash
# Install Syft
curl -sSfL https://raw.githubusercontent.com/anchore/syft/main/install.sh | sh -s -- -b /usr/local/bin v1.9.0
# Install Grype
curl -sSfL https://raw.githubusercontent.com/anchore/grype/main/install.sh | sh -s -- -b /usr/local/bin v0.79.3
# Install Trivy
curl -sfL https://raw.githubusercontent.com/aquasecurity/trivy/main/contrib/install.sh | sh -s -- -b /usr/local/bin v0.54.1
```
### CI/CD
Parity tests run automatically:
- **Nightly (02:00 UTC)**: Quick fixture set
- **Weekly (Sunday 00:00 UTC)**: Full fixture set
Results are stored as workflow artifacts and optionally pushed to Prometheus.
## Drift Detection
The parity system includes automated drift detection that alerts when StellaOps falls behind competitors:
### Thresholds
| Metric | Threshold | Trend Period |
|--------|-----------|--------------|
| SBOM Completeness | >5% decline | 3 days |
| Vulnerability Recall | >5% decline | 3 days |
| Latency vs Grype | >10% increase | 3 days |
| PURL Completeness | >5% decline | 3 days |
| F1 Score | >5% decline | 3 days |
### Alert Severity
| Severity | Condition | Action |
|----------|-----------|--------|
| Low | 1-1.5x threshold | Monitor |
| Medium | 1.5-2x threshold | Investigate within sprint |
| High | 2-3x threshold | Prioritize fix |
| Critical | >3x threshold | Immediate action required |
### Analyzing Drift
```bash
# Run drift analysis on stored results
dotnet run --project tests/parity/StellaOps.Parity.Tests \
-- analyze-drift \
--results-path ./parity-results \
--threshold 0.05 \
--trend-days 3
```
## Result Storage
### JSON Format
Results are stored as timestamped JSON files:
```
parity-results/
├── parity-20250115T020000Z-abc123.json
├── parity-20250116T020000Z-def456.json
└── parity-20250122T000000Z-ghi789.json # Weekly
```
### Retention Policy
- **Last 90 days**: Full detail retained
- **Older than 90 days**: Aggregated to weekly summaries
- **Artifacts**: Workflow artifacts retained for 90 days
### Prometheus Export
Results can be exported to Prometheus for dashboarding:
```
stellaops_parity_sbom_completeness_ratio{run_id="..."} 0.97
stellaops_parity_vuln_recall{run_id="..."} 0.95
stellaops_parity_latency_p95_ms{scanner="stellaops",run_id="..."} 1250
```
### InfluxDB Export
For InfluxDB time-series storage:
```
parity_sbom,run_id=abc123 completeness_ratio=0.97,matched_count=142i 1705280400000000000
parity_vuln,run_id=abc123 recall=0.95,precision=0.92,f1=0.935 1705280400000000000
```
## Competitor Version Tracking
Competitor tools are pinned to specific versions to ensure reproducibility:
| Tool | Current Version | Last Updated |
|------|-----------------|--------------|
| Syft | 1.9.0 | 2025-01-15 |
| Grype | 0.79.3 | 2025-01-15 |
| Trivy | 0.54.1 | 2025-01-15 |
### Updating Versions
1. Update version in `.gitea/workflows/parity-tests.yml`
2. Update version in `tests/parity/StellaOps.Parity.Tests/ParityHarness.cs`
3. Run full parity test to establish new baseline
4. Document version change in sprint execution log
## Troubleshooting
### Common Issues
**Syft not found**
```
Error: Syft executable not found in PATH
```
Solution: Install Syft or set `SYFT_PATH` environment variable.
**Grype DB outdated**
```
Warning: Grype vulnerability database is 7+ days old
```
Solution: Run `grype db update` to refresh the database.
**Image pull rate limit**
```
Error: docker pull rate limit exceeded
```
Solution: Use authenticated Docker Hub credentials or local registry mirror.
**Test timeout**
```
Error: Test exceeded 30 minute timeout
```
Solution: Increase timeout or use quick fixture set.
### Debug Mode
Enable verbose logging:
```bash
dotnet test tests/parity/StellaOps.Parity.Tests \
-e PARITY_DEBUG=true \
-e PARITY_KEEP_OUTPUTS=true
```
## Architecture
```
tests/parity/StellaOps.Parity.Tests/
├── StellaOps.Parity.Tests.csproj # Project file
├── ParityTestFixtureSet.cs # Container image fixtures
├── ParityHarness.cs # Scanner execution harness
├── SbomComparisonLogic.cs # SBOM comparison
├── VulnerabilityComparisonLogic.cs # Vulnerability comparison
├── LatencyComparisonLogic.cs # Latency comparison
├── ErrorModeComparisonLogic.cs # Error handling comparison
└── Storage/
├── ParityResultStore.cs # Time-series storage
└── ParityDriftDetector.cs # Drift detection
```
## See Also
- [Scanner Architecture](../modules/scanner/architecture.md)
- [Test Suite Overview](../TEST_SUITE_OVERVIEW.md)
- [CI/CD Workflows](.gitea/workflows/parity-tests.yml)
- [Competitive Benchmark](.gitea/workflows/benchmark-vs-competitors.yml)

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# Connector Fixture Discipline
This document defines the testing discipline for StellaOps Concelier and Excititor connectors. All connectors must follow these patterns to ensure consistent, deterministic, and offline-capable testing.
## Overview
Connector tests follow **Model C1 (Connector/External)** from the testing strategy:
1. **Fixture-based parser tests** — Raw upstream payload → normalized internal model (offline)
2. **Resilience tests** — Partial/bad input → deterministic failure classification
3. **Security tests** — URL allowlist, redirect handling, payload limits
4. **Live smoke tests** — Schema drift detection (opt-in, non-gating)
---
## 1. Directory Structure
Each connector test project follows this structure:
```
src/<Module>/__Tests/StellaOps.<Module>.Connector.<Source>.Tests/
├── StellaOps.<Module>.Connector.<Source>.Tests.csproj
├── Fixtures/
│ ├── <source>-typical.json # Typical advisory payload
│ ├── <source>-edge-<case>.json # Edge case payloads
│ ├── <source>-error-<type>.json # Malformed/invalid payloads
│ └── expected-<id>.json # Expected normalized output
├── <Source>/
│ ├── <Source>ParserTests.cs # Parser unit tests
│ ├── <Source>ConnectorTests.cs # Connector integration tests
│ └── <Source>ResilienceTests.cs # Resilience/security tests
└── Expected/
└── <source>-<id>.canonical.json # Canonical JSON snapshots
```
### Example: NVD Connector
```
src/Concelier/__Tests/StellaOps.Concelier.Connector.Nvd.Tests/
├── Fixtures/
│ ├── nvd-window-1.json
│ ├── nvd-window-2.json
│ ├── nvd-multipage-1.json
│ ├── nvd-multipage-2.json
│ ├── nvd-invalid-schema.json
│ └── expected-CVE-2024-0001.json
├── Nvd/
│ ├── NvdParserTests.cs
│ ├── NvdConnectorTests.cs
│ └── NvdConnectorHarnessTests.cs
└── Expected/
└── conflict-nvd.canonical.json
```
---
## 2. Fixture-Based Parser Tests
### Purpose
Test that the parser correctly transforms raw upstream payloads into normalized internal models without network access.
### Pattern
```csharp
using StellaOps.TestKit.Connectors;
public class NvdParserTests : ConnectorParserTestBase<NvdRawAdvisory, ConcelierAdvisory>
{
public NvdParserTests()
: base(new NvdParser(), "Nvd/Fixtures")
{
}
[Fact]
[Trait("Lane", "Unit")]
public async Task ParseTypicalAdvisory_ProducesExpectedModel()
{
// Arrange
var raw = await LoadFixture<NvdRawAdvisory>("nvd-window-1.json");
// Act
var result = Parser.Parse(raw);
// Assert
await AssertMatchesSnapshot(result, "expected-CVE-2024-0001.json");
}
[Theory]
[Trait("Lane", "Unit")]
[InlineData("nvd-multipage-1.json", "expected-multipage-1.json")]
[InlineData("nvd-multipage-2.json", "expected-multipage-2.json")]
public async Task ParseAllFixtures_ProducesExpectedModels(string input, string expected)
{
var raw = await LoadFixture<NvdRawAdvisory>(input);
var result = Parser.Parse(raw);
await AssertMatchesSnapshot(result, expected);
}
}
```
### Fixture Requirements
| Type | Naming Convention | Purpose |
|------|-------------------|---------|
| Typical | `<source>-typical.json` | Normal advisory with all common fields |
| Edge case | `<source>-edge-<case>.json` | Unusual but valid payloads |
| Error | `<source>-error-<type>.json` | Malformed/invalid payloads |
| Expected | `expected-<id>.json` | Expected normalized output |
| Canonical | `<source>-<id>.canonical.json` | Deterministic JSON snapshot |
### Minimum Coverage
Each connector must have fixtures for:
- [ ] At least 1 typical payload
- [ ] At least 2 edge cases (e.g., multi-vendor, unusual CVSS, missing optional fields)
- [ ] At least 2 error cases (e.g., missing required fields, invalid schema)
---
## 3. Resilience Tests
### Purpose
Verify that connectors handle malformed input gracefully with deterministic failure classification.
### Pattern
```csharp
public class NvdResilienceTests : ConnectorResilienceTestBase<NvdConnector>
{
public NvdResilienceTests()
: base(new NvdConnector(CreateTestHttpClient()))
{
}
[Fact]
[Trait("Lane", "Unit")]
public async Task MissingRequiredField_ReturnsParseError()
{
// Arrange
var payload = await LoadFixture("nvd-error-missing-cve-id.json");
// Act
var result = await Connector.ParseAsync(payload);
// Assert
Assert.False(result.IsSuccess);
Assert.Equal(ConnectorErrorKind.ParseError, result.Error.Kind);
Assert.Contains("cve_id", result.Error.Message, StringComparison.OrdinalIgnoreCase);
}
[Fact]
[Trait("Lane", "Unit")]
public async Task InvalidDateFormat_ReturnsParseError()
{
var payload = await LoadFixture("nvd-error-invalid-date.json");
var result = await Connector.ParseAsync(payload);
Assert.False(result.IsSuccess);
Assert.Equal(ConnectorErrorKind.ParseError, result.Error.Kind);
}
[Fact]
[Trait("Lane", "Unit")]
public async Task UnexpectedEnumValue_LogsWarningAndContinues()
{
var payload = await LoadFixture("nvd-edge-unknown-severity.json");
var result = await Connector.ParseAsync(payload);
Assert.True(result.IsSuccess);
Assert.Contains(result.Warnings, w => w.Contains("unknown severity"));
}
}
```
### Required Test Cases
| Case | Expected Behavior | Trait |
|------|-------------------|-------|
| Missing required field | `ConnectorErrorKind.ParseError` | Unit |
| Invalid date format | `ConnectorErrorKind.ParseError` | Unit |
| Invalid JSON structure | `ConnectorErrorKind.ParseError` | Unit |
| Unknown enum value | Warning logged, continues | Unit |
| Empty response | `ConnectorErrorKind.EmptyResponse` | Unit |
| Truncated payload | `ConnectorErrorKind.ParseError` | Unit |
---
## 4. Security Tests
### Purpose
Verify that connectors enforce security boundaries for network operations.
### Pattern
```csharp
public class NvdSecurityTests : ConnectorSecurityTestBase<NvdConnector>
{
[Fact]
[Trait("Lane", "Security")]
public async Task UrlOutsideAllowlist_RejectsRequest()
{
// Arrange
var connector = CreateConnector(allowedHosts: ["services.nvd.nist.gov"]);
// Act & Assert
await Assert.ThrowsAsync<SecurityException>(
() => connector.FetchAsync("https://evil.example.com/api"));
}
[Fact]
[Trait("Lane", "Security")]
public async Task RedirectToDisallowedHost_RejectsRequest()
{
var handler = CreateMockHandler(redirectTo: "https://evil.example.com");
var connector = CreateConnector(handler, allowedHosts: ["services.nvd.nist.gov"]);
await Assert.ThrowsAsync<SecurityException>(
() => connector.FetchAsync("https://services.nvd.nist.gov/api"));
}
[Fact]
[Trait("Lane", "Security")]
public async Task PayloadExceedsMaxSize_RejectsPayload()
{
var handler = CreateMockHandler(responseSize: 100_000_001); // 100MB
var connector = CreateConnector(handler, maxPayloadBytes: 100_000_000);
await Assert.ThrowsAsync<PayloadTooLargeException>(
() => connector.FetchAsync("https://services.nvd.nist.gov/api"));
}
[Fact]
[Trait("Lane", "Security")]
public async Task DecompressionBomb_RejectsPayload()
{
// 1KB compressed, 1GB decompressed
var handler = CreateMockHandler(compressedBomb: true);
var connector = CreateConnector(handler);
await Assert.ThrowsAsync<PayloadTooLargeException>(
() => connector.FetchAsync("https://services.nvd.nist.gov/api"));
}
}
```
### Required Security Tests
| Test | Purpose | Trait |
|------|---------|-------|
| URL allowlist | Block requests to unauthorized hosts | Security |
| Redirect validation | Block redirects to unauthorized hosts | Security |
| Max payload size | Reject oversized responses | Security |
| Decompression bomb | Reject zip bombs | Security |
| Rate limiting | Respect upstream rate limits | Security |
---
## 5. Live Smoke Tests (Opt-In)
### Purpose
Detect upstream schema drift by comparing live responses against known fixtures.
### Pattern
```csharp
public class NvdLiveTests : ConnectorLiveTestBase<NvdConnector>
{
[Fact]
[Trait("Lane", "Live")]
[Trait("Category", "SchemaDrift")]
public async Task LiveSchema_MatchesFixtureSchema()
{
// Skip if not in Live lane
Skip.IfNot(IsLiveLaneEnabled());
// Fetch live response
var live = await Connector.FetchLatestAsync();
// Compare schema (not values) against fixture
var fixture = await LoadFixture<NvdResponse>("nvd-typical.json");
AssertSchemaMatches(live, fixture);
}
[Fact]
[Trait("Lane", "Live")]
public async Task LiveFetch_ReturnsValidAdvisories()
{
Skip.IfNot(IsLiveLaneEnabled());
var result = await Connector.FetchLatestAsync();
Assert.True(result.IsSuccess);
Assert.NotEmpty(result.Value.Advisories);
}
}
```
### Configuration
Live tests are:
- **Never PR-gating** — run only in scheduled/nightly jobs
- **Opt-in** — require explicit `LIVE_TESTS_ENABLED=true` environment variable
- **Alerting** — schema drift triggers notification, not failure
---
## 6. Fixture Updater
### Purpose
Refresh fixtures from live sources when upstream schemas change intentionally.
### Usage
```bash
# Update all fixtures for NVD connector
dotnet run --project tools/FixtureUpdater -- \
--connector nvd \
--output src/Concelier/__Tests/StellaOps.Concelier.Connector.Nvd.Tests/Nvd/Fixtures/
# Update specific fixture
dotnet run --project tools/FixtureUpdater -- \
--connector nvd \
--cve CVE-2024-0001 \
--output src/Concelier/__Tests/.../Fixtures/nvd-CVE-2024-0001.json
# Dry-run mode (show diff without writing)
dotnet run --project tools/FixtureUpdater -- \
--connector nvd \
--dry-run
```
### Workflow
1. Live test detects schema drift
2. CI creates draft PR with fixture update
3. Developer reviews diff for intentional vs accidental changes
4. If intentional: update parser and merge
5. If accidental: investigate upstream API issue
---
## 7. Test Traits and CI Integration
### Trait Assignment
| Test Category | Trait | Lane | PR-Gating |
|---------------|-------|------|-----------|
| Parser tests | `[Trait("Lane", "Unit")]` | Unit | Yes |
| Resilience tests | `[Trait("Lane", "Unit")]` | Unit | Yes |
| Security tests | `[Trait("Lane", "Security")]` | Security | Yes |
| Live tests | `[Trait("Lane", "Live")]` | Live | No |
### Running Tests
```bash
# Run all connector unit tests
dotnet test --filter "Lane=Unit" src/Concelier/__Tests/
# Run security tests
dotnet test --filter "Lane=Security" src/Concelier/__Tests/
# Run live tests (requires LIVE_TESTS_ENABLED=true)
LIVE_TESTS_ENABLED=true dotnet test --filter "Lane=Live" src/Concelier/__Tests/
```
---
## 8. Connector Inventory
### Concelier Connectors (Advisory Sources)
| Connector | Fixtures | Parser Tests | Resilience | Security | Live |
|-----------|----------|--------------|------------|----------|------|
| NVD | ✅ | ✅ | ✅ | ⬜ | ⬜ |
| OSV | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
| GHSA | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
| CVE | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
| KEV | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
| EPSS | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
| Distro.Alpine | ⬜ | ⬜ | ⬜ | ⬜ | ⬜ |
| Distro.Debian | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
| Distro.RedHat | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
| Distro.Suse | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
| Distro.Ubuntu | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
| Vndr.Adobe | ⬜ | ⬜ | ⬜ | ⬜ | ⬜ |
| Vndr.Apple | ⬜ | ⬜ | ⬜ | ⬜ | ⬜ |
| Vndr.Cisco | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
| Vndr.Msrc | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
| Vndr.Oracle | ⬜ | ⬜ | ⬜ | ⬜ | ⬜ |
| Vndr.Vmware | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
| Cert.Bund | ⬜ | ⬜ | ⬜ | ⬜ | ⬜ |
| Cert.Cc | ⬜ | ⬜ | ⬜ | ⬜ | ⬜ |
| Cert.Fr | ⬜ | ⬜ | ⬜ | ⬜ | ⬜ |
| ICS.Cisa | ✅ | ✅ | ⬜ | ⬜ | ⬜ |
### Excititor Connectors (VEX Sources)
| Connector | Fixtures | Parser Tests | Resilience | Security | Live |
|-----------|----------|--------------|------------|----------|------|
| OpenVEX | ⬜ | ⬜ | ⬜ | ⬜ | ⬜ |
| CSAF/VEX | ⬜ | ⬜ | ⬜ | ⬜ | ⬜ |
---
## References
- [ConnectorHttpFixture](../../src/__Libraries/StellaOps.TestKit/Connectors/ConnectorHttpFixture.cs)
- [ConnectorTestBase](../../src/__Libraries/StellaOps.TestKit/Connectors/ConnectorTestBase.cs)
- [ConnectorResilienceTestBase](../../src/__Libraries/StellaOps.TestKit/Connectors/ConnectorResilienceTestBase.cs)
- [FixtureUpdater](../../src/__Libraries/StellaOps.TestKit/Connectors/FixtureUpdater.cs)
- [Testing Strategy Models](./testing-strategy-models.md)
- [CI Lane Filters](./ci-lane-filters.md)
---
*Last updated: 2025-12-24 · Sprint 5100.0007.0005*

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# Determinism Gates
Determinism is a core principle of StellaOps - all artifact generation (SBOM, VEX, attestations) must be reproducible. This document describes how to test for determinism.
## Why Determinism Matters
- **Reproducible builds**: Same input → same output, always
- **Cryptographic verification**: Hash-based integrity depends on byte-for-byte reproducibility
- **Audit trails**: Deterministic timestamps and ordering for compliance
- **Offline operation**: No reliance on external randomness or timestamps
## Using Determinism Gates
Add `StellaOps.TestKit` to your test project and use the `DeterminismGate` class:
```csharp
using StellaOps.TestKit.Determinism;
using StellaOps.TestKit.Traits;
using Xunit;
public class SbomGeneratorTests
{
[Fact]
[UnitTest]
[DeterminismTest]
public void SbomGenerationIsDeterministic()
{
// Verify that calling the function 3 times produces identical output
DeterminismGate.AssertDeterministic(() =>
{
return GenerateSbom();
}, iterations: 3);
}
[Fact]
[UnitTest]
[DeterminismTest]
public void SbomBinaryIsDeterministic()
{
// Verify binary reproducibility
DeterminismGate.AssertDeterministic(() =>
{
return GenerateSbomBytes();
}, iterations: 3);
}
}
```
## JSON Determinism
JSON output must have:
- Stable property ordering (alphabetical or schema-defined)
- Consistent whitespace/formatting
- No random IDs or timestamps (unless explicitly from deterministic clock)
```csharp
[Fact]
[UnitTest]
[DeterminismTest]
public void VexDocumentJsonIsDeterministic()
{
// Verifies JSON canonicalization and property ordering
DeterminismGate.AssertJsonDeterministic(() =>
{
var vex = GenerateVexDocument();
return JsonSerializer.Serialize(vex);
});
}
[Fact]
[UnitTest]
[DeterminismTest]
public void VerdictObjectIsDeterministic()
{
// Verifies object serialization is deterministic
DeterminismGate.AssertJsonDeterministic(() =>
{
return GenerateVerdict();
});
}
```
## Canonical Equality
Compare two objects for canonical equivalence:
```csharp
[Fact]
[UnitTest]
public void VerdictFromDifferentPathsAreCanonicallyEqual()
{
var verdict1 = GenerateVerdictFromSbom();
var verdict2 = GenerateVerdictFromCache();
// Asserts that both produce identical canonical JSON
DeterminismGate.AssertCanonicallyEqual(verdict1, verdict2);
}
```
## Hash-Based Regression Testing
Compute stable hashes for regression detection:
```csharp
[Fact]
[UnitTest]
[DeterminismTest]
public void SbomHashMatchesBaseline()
{
var sbom = GenerateSbom();
var hash = DeterminismGate.ComputeHash(sbom);
// This hash should NEVER change unless SBOM format changes intentionally
const string expectedHash = "abc123...";
Assert.Equal(expectedHash, hash);
}
```
## Path Ordering
File paths in manifests must be sorted:
```csharp
[Fact]
[UnitTest]
[DeterminismTest]
public void SbomFilePathsAreSorted()
{
var sbom = GenerateSbom();
var filePaths = ExtractFilePaths(sbom);
// Asserts paths are in deterministic (lexicographic) order
DeterminismGate.AssertSortedPaths(filePaths);
}
```
## Timestamp Validation
All timestamps must be UTC ISO 8601:
```csharp
[Fact]
[UnitTest]
[DeterminismTest]
public void AttestationTimestampIsUtcIso8601()
{
var attestation = GenerateAttestation();
// Asserts timestamp is UTC with 'Z' suffix
DeterminismGate.AssertUtcIso8601(attestation.Timestamp);
}
```
## Determin
istic Time in Tests
Use `DeterministicClock` for reproducible timestamps:
```csharp
using StellaOps.TestKit.Time;
[Fact]
[UnitTest]
[DeterminismTest]
public void AttestationWithDeterministicTime()
{
var clock = new DeterministicClock();
// All operations using this clock will get the same time
var attestation1 = GenerateAttestation(clock);
var attestation2 = GenerateAttestation(clock);
Assert.Equal(attestation1.Timestamp, attestation2.Timestamp);
}
```
## Deterministic Random in Tests
Use `DeterministicRandom` for reproducible randomness:
```csharp
using StellaOps.TestKit.Random;
[Fact]
[UnitTest]
[DeterminismTest]
public void GeneratedIdsAreReproducible()
{
var rng1 = DeterministicRandomExtensions.WithTestSeed();
var id1 = GenerateId(rng1);
var rng2 = DeterministicRandomExtensions.WithTestSeed();
var id2 = GenerateId(rng2);
// Same seed → same output
Assert.Equal(id1, id2);
}
```
## Module-Specific Gates
### Scanner Determinism
- SBOM file path ordering
- Component hash stability
- Dependency graph ordering
### Concelier Determinism
- Advisory normalization (same advisory → same canonical form)
- Vulnerability merge determinism
- No lattice ordering dependencies
### Excititor Determinism
- VEX document format stability
- Preserve/prune decision ordering
- No lattice dependencies
### Policy Determinism
- Verdict reproducibility (same inputs → same verdict)
- Policy evaluation ordering
- Unknown budget calculations
### Attestor Determinism
- DSSE envelope canonical bytes
- Signature ordering (multiple signers)
- Rekor receipt stability
## Common Determinism Violations
❌ **Timestamps from system clock**
```csharp
// Bad: Uses system time
var timestamp = DateTimeOffset.UtcNow.ToString("o");
// Good: Uses injected clock
var timestamp = clock.UtcNow.ToString("o");
```
❌ **Random GUIDs**
```csharp
// Bad: Non-deterministic
var id = Guid.NewGuid().ToString();
// Good: Deterministic or content-addressed
var id = ComputeContentHash(data);
```
❌ **Unordered collections**
```csharp
// Bad: Dictionary iteration order is undefined
foreach (var (key, value) in dict) { ... }
// Good: Explicit ordering
foreach (var (key, value) in dict.OrderBy(x => x.Key)) { ... }
```
❌ **Floating-point comparisons**
```csharp
// Bad: Floating-point can differ across platforms
var score = 0.1 + 0.2; // Might not equal 0.3 exactly
// Good: Use fixed-point or integers
var scoreInt = (int)((0.1 + 0.2) * 1000);
```
❌ **Non-UTC timestamps**
```csharp
// Bad: Timezone-dependent
var timestamp = DateTime.Now.ToString();
// Good: Always UTC with 'Z'
var timestamp = DateTimeOffset.UtcNow.ToString("o");
```
## Determinism Test Checklist
When writing determinism tests, verify:
- [ ] Multiple invocations produce identical output
- [ ] JSON has stable property ordering
- [ ] File paths are sorted lexicographically
- [ ] Timestamps are UTC ISO 8601 with 'Z' suffix
- [ ] No random GUIDs (use content-addressing)
- [ ] Collections are explicitly ordered
- [ ] No system time/random usage (use DeterministicClock/DeterministicRandom)
## Related Documentation
- TestKit README: `src/__Libraries/StellaOps.TestKit/README.md`
- Testing Strategy: `docs/testing/testing-strategy-models.md`
- Test Catalog: `docs/testing/TEST_CATALOG.yml`

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# Determinism Verification Guide
**Sprint:** 5100.0007.0003 (Epic B)
**Last Updated:** 2025-12-23
## Overview
StellaOps enforces deterministic artifact generation across all exported formats. This ensures:
1. **Reproducibility**: Given the same inputs, outputs are byte-for-byte identical
2. **Auditability**: Hash verification proves artifact integrity
3. **Compliance**: Regulated environments can replay and verify builds
4. **CI Gating**: Drift detection prevents unintended changes
## Supported Artifact Types
| Type | Format(s) | Test File |
|------|-----------|-----------|
| SBOM | SPDX 3.0.1, CycloneDX 1.6, CycloneDX 1.7 | `SbomDeterminismTests.cs` |
| VEX | OpenVEX, CSAF 2.0 | `VexDeterminismTests.cs` |
| Policy Verdicts | JSON | `PolicyDeterminismTests.cs` |
| Evidence Bundles | JSON, DSSE, in-toto | `EvidenceBundleDeterminismTests.cs` |
| AirGap Bundles | NDJSON | `AirGapBundleDeterminismTests.cs` |
| Advisory Normalization | Canonical JSON | `IngestionDeterminismTests.cs` |
## Determinism Manifest Format
Every deterministic artifact can produce a manifest describing its content hash and generation context.
### Schema (v1.0)
```json
{
"schemaVersion": "1.0",
"artifact": {
"type": "sbom | vex | policy-verdict | evidence-bundle | airgap-bundle",
"name": "artifact-identifier",
"version": "1.0.0",
"format": "SPDX 3.0.1 | CycloneDX 1.6 | OpenVEX | CSAF 2.0 | ..."
},
"canonicalHash": {
"algorithm": "SHA-256",
"value": "abc123..."
},
"toolchain": {
"platform": ".NET 10.0",
"components": [
{ "name": "StellaOps.Scanner", "version": "1.0.0" }
]
},
"inputs": {
"feedSnapshotHash": "def456...",
"policyManifestHash": "ghi789...",
"configHash": "jkl012..."
},
"generatedAt": "2025-12-23T18:00:00Z"
}
```
### Field Descriptions
| Field | Description |
|-------|-------------|
| `schemaVersion` | Manifest schema version (currently `1.0`) |
| `artifact.type` | Category of the artifact |
| `artifact.name` | Identifier for the artifact |
| `artifact.version` | Version of the artifact (if applicable) |
| `artifact.format` | Specific format/spec version |
| `canonicalHash.algorithm` | Hash algorithm (always `SHA-256`) |
| `canonicalHash.value` | Lowercase hex hash of canonical bytes |
| `toolchain.platform` | Runtime platform |
| `toolchain.components` | List of generating components with versions |
| `inputs` | Hashes of input artifacts (feed snapshots, policies, etc.) |
| `generatedAt` | ISO-8601 UTC timestamp of generation |
## Creating a Determinism Manifest
Use `DeterminismManifestWriter` from `StellaOps.Testing.Determinism`:
```csharp
using StellaOps.Testing.Determinism;
// Generate artifact bytes
var sbomBytes = GenerateSbom(input, frozenTime);
// Create artifact info
var artifactInfo = new ArtifactInfo
{
Type = "sbom",
Name = "my-container-sbom",
Version = "1.0.0",
Format = "CycloneDX 1.6"
};
// Create toolchain info
var toolchain = new ToolchainInfo
{
Platform = ".NET 10.0",
Components = new[]
{
new ComponentInfo { Name = "StellaOps.Scanner", Version = "1.0.0" }
}
};
// Create manifest
var manifest = DeterminismManifestWriter.CreateManifest(
sbomBytes,
artifactInfo,
toolchain);
// Save manifest
DeterminismManifestWriter.Save(manifest, "determinism.json");
```
## Reading and Verifying Manifests
```csharp
// Load manifest
var manifest = DeterminismManifestReader.Load("determinism.json");
// Verify artifact bytes match manifest hash
var currentBytes = File.ReadAllBytes("artifact.json");
var isValid = DeterminismManifestReader.Verify(manifest, currentBytes);
if (!isValid)
{
throw new DeterminismDriftException(
$"Artifact hash mismatch. Expected: {manifest.CanonicalHash.Value}");
}
```
## Determinism Rules
### 1. Canonical JSON Serialization
All JSON output must use canonical serialization via `StellaOps.Canonical.Json`:
```csharp
using StellaOps.Canonical.Json;
var json = CanonJson.Serialize(myObject);
var hash = CanonJson.Sha256Hex(Encoding.UTF8.GetBytes(json));
```
Rules:
- Keys sorted lexicographically
- No trailing whitespace
- Unix line endings (`\n`)
- No BOM
- UTF-8 encoding
### 2. Frozen Timestamps
All timestamps must be provided externally or use `DeterministicTime`:
```csharp
// ❌ BAD - Non-deterministic
var timestamp = DateTimeOffset.UtcNow;
// ✅ GOOD - Deterministic
var timestamp = frozenTime; // Passed as parameter
```
### 3. Deterministic IDs
UUIDs and IDs must be derived from content, not random:
```csharp
// ❌ BAD - Random UUID
var id = Guid.NewGuid();
// ✅ GOOD - Content-derived ID
var seed = $"{input.Name}:{input.Version}:{timestamp:O}";
var hash = CanonJson.Sha256Hex(Encoding.UTF8.GetBytes(seed));
var id = new Guid(Convert.FromHexString(hash[..32]));
```
### 4. Stable Ordering
Collections must be sorted before serialization:
```csharp
// ❌ BAD - Non-deterministic order
var items = dictionary.Values;
// ✅ GOOD - Sorted order
var items = dictionary.Values
.OrderBy(v => v.Key, StringComparer.Ordinal);
```
### 5. Parallel Safety
Determinism must hold under parallel execution:
```csharp
var tasks = Enumerable.Range(0, 20)
.Select(_ => Task.Run(() => GenerateArtifact(input, frozenTime)))
.ToArray();
var results = await Task.WhenAll(tasks);
results.Should().AllBe(results[0]); // All identical
```
## CI Integration
### PR Merge Gate
The determinism gate runs on PR merge:
```yaml
# .gitea/workflows/determinism-gate.yaml
name: Determinism Gate
on:
pull_request:
types: [synchronize, ready_for_review]
jobs:
determinism:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- uses: actions/setup-dotnet@v4
with:
dotnet-version: '10.0.x'
- name: Run Determinism Tests
run: |
dotnet test tests/integration/StellaOps.Integration.Determinism \
--logger "trx;LogFileName=determinism.trx"
- name: Generate Determinism Manifest
run: |
dotnet run --project tools/DeterminismManifestGenerator \
--output determinism.json
- name: Upload Determinism Artifact
uses: actions/upload-artifact@v4
with:
name: determinism-manifest
path: determinism.json
```
### Baseline Storage
Determinism baselines are stored as CI artifacts:
```
ci-artifacts/
determinism/
baseline/
sbom-spdx-3.0.1.json
sbom-cyclonedx-1.6.json
sbom-cyclonedx-1.7.json
vex-openvex.json
vex-csaf.json
policy-verdict.json
evidence-bundle.json
airgap-bundle.json
```
### Drift Detection
When a PR changes artifact output:
1. CI compares new manifest hash against baseline
2. If different, CI fails with diff report
3. Developer must either:
- Fix the regression (restore determinism)
- Update the baseline (if change is intentional)
### Baseline Update Process
To intentionally update a baseline:
```bash
# 1. Run determinism tests to generate new manifests
dotnet test tests/integration/StellaOps.Integration.Determinism
# 2. Update baseline files
cp determinism/*.json ci-artifacts/determinism/baseline/
# 3. Commit with explicit message
git add ci-artifacts/determinism/baseline/
git commit -m "chore(determinism): update baselines for [reason]
Breaking: [explain what changed]
Justification: [explain why this is correct]"
```
## Replay Verification
To verify an artifact was produced deterministically:
```bash
# 1. Get the manifest
curl -O https://releases.stellaops.io/v1.0.0/sbom.determinism.json
# 2. Get the artifact
curl -O https://releases.stellaops.io/v1.0.0/sbom.cdx.json
# 3. Verify
dotnet run --project tools/DeterminismVerifier \
--manifest sbom.determinism.json \
--artifact sbom.cdx.json
```
Output:
```
Determinism Verification
========================
Artifact: sbom.cdx.json
Manifest: sbom.determinism.json
Expected Hash: abc123...
Actual Hash: abc123...
Status: ✅ VERIFIED
```
## Test Files Reference
All determinism tests are in `tests/integration/StellaOps.Integration.Determinism/`:
| File | Tests | Description |
|------|-------|-------------|
| `DeterminismValidationTests.cs` | 16 | Manifest format and reader/writer |
| `SbomDeterminismTests.cs` | 14 | SPDX 3.0.1, CycloneDX 1.6/1.7 |
| `VexDeterminismTests.cs` | 17 | OpenVEX, CSAF 2.0 |
| `PolicyDeterminismTests.cs` | 18 | Policy verdict artifacts |
| `EvidenceBundleDeterminismTests.cs` | 15 | DSSE, in-toto attestations |
| `AirGapBundleDeterminismTests.cs` | 14 | NDJSON bundles, manifests |
| `IngestionDeterminismTests.cs` | 17 | NVD/OSV/GHSA/CSAF normalization |
## Troubleshooting
### Hash Mismatch
If you see a hash mismatch:
1. **Check timestamps**: Ensure frozen time is used
2. **Check ordering**: Ensure all collections are sorted
3. **Check IDs**: Ensure IDs are content-derived
4. **Check encoding**: Ensure UTF-8 without BOM
### Flaky Tests
If determinism tests are flaky:
1. **Check parallelism**: Ensure no shared mutable state
2. **Check time zones**: Use UTC explicitly
3. **Check random sources**: Remove all random number generation
4. **Check hash inputs**: Ensure all inputs are captured
### CI Failures
If CI determinism gate fails:
1. Compare the diff between expected and actual
2. Identify which field changed
3. Track back to the code change that caused it
4. Either fix the regression or update baseline with justification
## Related Documentation
- [Testing Strategy Models](testing-strategy-models.md) - Overview of testing models
- [Canonical JSON Specification](../DATA_SCHEMAS.md#canonical-json) - JSON serialization rules
- [CI/CD Workflows](../modules/devops/architecture.md) - CI pipeline details
- [Evidence Bundle Schema](../modules/evidence-locker/architecture.md) - Bundle format reference

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# End-to-End Reproducibility Testing Guide
> **Sprint:** SPRINT_8200_0001_0004_e2e_reproducibility_test
> **Tasks:** E2E-8200-025, E2E-8200-026
> **Last Updated:** 2025-06-15
## Overview
StellaOps implements comprehensive end-to-end (E2E) reproducibility testing to ensure that identical inputs always produce identical outputs across:
- Sequential pipeline runs
- Parallel pipeline runs
- Different execution environments (Ubuntu, Windows, macOS)
- Different points in time (using frozen timestamps)
This document describes the E2E test structure, how to run tests, and how to troubleshoot reproducibility failures.
## Test Architecture
### Pipeline Stages
The E2E reproducibility tests cover the full security scanning pipeline:
```
┌─────────────────────────────────────────────────────────────────────────────┐
│ Full E2E Pipeline │
├─────────────────────────────────────────────────────────────────────────────┤
│ │
│ ┌──────────┐ ┌───────────┐ ┌──────┐ ┌────────┐ ┌──────────┐ │
│ │ Ingest │───▶│ Normalize │───▶│ Diff │───▶│ Decide │───▶│ Attest │ │
│ │ Advisory │ │ Merge & │ │ SBOM │ │ Policy │ │ DSSE │ │
│ │ Feeds │ │ Dedup │ │ vs │ │ Verdict│ │ Envelope │ │
│ └──────────┘ └───────────┘ │Adviso│ └────────┘ └──────────┘ │
│ │ries │ │ │
│ └──────┘ ▼ │
│ ┌──────────┐ │
│ │ Bundle │ │
│ │ Package │ │
│ └──────────┘ │
└─────────────────────────────────────────────────────────────────────────────┘
```
### Key Components
| Component | File | Purpose |
|-----------|------|---------|
| Test Project | `StellaOps.Integration.E2E.csproj` | MSBuild project for E2E tests |
| Test Fixture | `E2EReproducibilityTestFixture.cs` | Pipeline composition and execution |
| Tests | `E2EReproducibilityTests.cs` | Reproducibility verification tests |
| Comparer | `ManifestComparer.cs` | Byte-for-byte manifest comparison |
| CI Workflow | `.gitea/workflows/e2e-reproducibility.yml` | Cross-platform CI pipeline |
## Running E2E Tests
### Prerequisites
- .NET 10.0 SDK
- Docker (for PostgreSQL container)
- At least 4GB RAM available
### Local Execution
```bash
# Run all E2E reproducibility tests
dotnet test tests/integration/StellaOps.Integration.E2E/ \
--logger "console;verbosity=detailed"
# Run specific test category
dotnet test tests/integration/StellaOps.Integration.E2E/ \
--filter "Category=Integration" \
--logger "console;verbosity=detailed"
# Run with code coverage
dotnet test tests/integration/StellaOps.Integration.E2E/ \
--collect:"XPlat Code Coverage" \
--results-directory ./TestResults
```
### CI Execution
E2E tests run automatically on:
- Pull requests affecting `src/**` or `tests/integration/**`
- Pushes to `main` and `develop` branches
- Nightly at 2:00 AM UTC (full cross-platform suite)
- Manual trigger with optional cross-platform flag
## Test Categories
### 1. Sequential Reproducibility (Tasks 11-14)
Tests that the pipeline produces identical results when run multiple times:
```csharp
[Fact]
public async Task FullPipeline_ProducesIdenticalVerdictHash_AcrossRuns()
{
// Arrange
var inputs = await _fixture.SnapshotInputsAsync();
// Act - Run twice
var result1 = await _fixture.RunFullPipelineAsync(inputs);
var result2 = await _fixture.RunFullPipelineAsync(inputs);
// Assert
result1.VerdictId.Should().Be(result2.VerdictId);
result1.BundleManifestHash.Should().Be(result2.BundleManifestHash);
}
```
### 2. Parallel Reproducibility (Task 14)
Tests that concurrent execution produces identical results:
```csharp
[Fact]
public async Task FullPipeline_ParallelExecution_10Concurrent_AllIdentical()
{
var inputs = await _fixture.SnapshotInputsAsync();
const int concurrentRuns = 10;
var tasks = Enumerable.Range(0, concurrentRuns)
.Select(_ => _fixture.RunFullPipelineAsync(inputs));
var results = await Task.WhenAll(tasks);
var comparison = ManifestComparer.CompareMultiple(results.ToList());
comparison.AllMatch.Should().BeTrue();
}
```
### 3. Cross-Platform Reproducibility (Tasks 15-18)
Tests that identical inputs produce identical outputs on different operating systems:
| Platform | Runner | Status |
|----------|--------|--------|
| Ubuntu | `ubuntu-latest` | Primary (runs on every PR) |
| Windows | `windows-latest` | Nightly / On-demand |
| macOS | `macos-latest` | Nightly / On-demand |
### 4. Golden Baseline Verification (Tasks 19-21)
Tests that current results match a pre-approved baseline:
```json
// bench/determinism/golden-baseline/e2e-hashes.json
{
"verdict_hash": "sha256:abc123...",
"manifest_hash": "sha256:def456...",
"envelope_hash": "sha256:ghi789...",
"updated_at": "2025-06-15T12:00:00Z",
"updated_by": "ci",
"commit": "abc123def456"
}
```
## Troubleshooting Reproducibility Failures
### Common Causes
#### 1. Non-Deterministic Ordering
**Symptom:** Different verdict hashes despite identical inputs.
**Diagnosis:**
```csharp
// Check if collections are being ordered
var comparison = ManifestComparer.Compare(result1, result2);
var report = ManifestComparer.GenerateDiffReport(comparison);
Console.WriteLine(report);
```
**Solution:** Ensure all collections are sorted before hashing:
```csharp
// Bad - non-deterministic
var findings = results.ToList();
// Good - deterministic
var findings = results.OrderBy(f => f.CveId, StringComparer.Ordinal)
.ThenBy(f => f.Purl, StringComparer.Ordinal)
.ToList();
```
#### 2. Timestamp Drift
**Symptom:** Bundle manifests differ in `createdAt` field.
**Diagnosis:**
```csharp
var jsonComparison = ManifestComparer.CompareJson(
result1.BundleManifest,
result2.BundleManifest);
```
**Solution:** Use frozen timestamps in tests:
```csharp
// In test fixture
public DateTimeOffset FrozenTimestamp { get; } =
new DateTimeOffset(2025, 6, 15, 12, 0, 0, TimeSpan.Zero);
```
#### 3. Platform-Specific Behavior
**Symptom:** Tests pass on Ubuntu but fail on Windows/macOS.
**Common causes:**
- Line ending differences (`\n` vs `\r\n`)
- Path separator differences (`/` vs `\`)
- Unicode normalization differences
- Floating-point representation differences
**Diagnosis:**
```bash
# Download artifacts from all platforms
# Compare hex dumps
xxd ubuntu-manifest.bin > ubuntu.hex
xxd windows-manifest.bin > windows.hex
diff ubuntu.hex windows.hex
```
**Solution:** Use platform-agnostic serialization:
```csharp
// Use canonical JSON
var json = CanonJson.Serialize(data);
// Normalize line endings
var normalized = content.Replace("\r\n", "\n");
```
#### 4. Key/Signature Differences
**Symptom:** Envelope hashes differ despite identical payloads.
**Diagnosis:**
```csharp
// Compare envelope structure
var envelope1 = JsonSerializer.Deserialize<DsseEnvelope>(result1.EnvelopeBytes);
var envelope2 = JsonSerializer.Deserialize<DsseEnvelope>(result2.EnvelopeBytes);
// Check if payloads match
envelope1.Payload.SequenceEqual(envelope2.Payload).Should().BeTrue();
```
**Solution:** Use deterministic key generation:
```csharp
// Generate key from fixed seed for reproducibility
private static ECDsa GenerateDeterministicKey(int seed)
{
var rng = new DeterministicRng(seed);
var keyBytes = new byte[32];
rng.GetBytes(keyBytes);
// ... create key from bytes
}
```
### Debugging Tools
#### ManifestComparer
```csharp
// Full comparison
var comparison = ManifestComparer.Compare(expected, actual);
// Multiple results
var multiComparison = ManifestComparer.CompareMultiple(results);
// Detailed report
var report = ManifestComparer.GenerateDiffReport(comparison);
// Hex dump for byte-level debugging
var hexDump = ManifestComparer.GenerateHexDump(expected.BundleManifest, actual.BundleManifest);
```
#### JSON Comparison
```csharp
var jsonComparison = ManifestComparer.CompareJson(
expected.BundleManifest,
actual.BundleManifest);
foreach (var diff in jsonComparison.Differences)
{
Console.WriteLine($"Path: {diff.Path}");
Console.WriteLine($"Expected: {diff.Expected}");
Console.WriteLine($"Actual: {diff.Actual}");
}
```
## Updating the Golden Baseline
When intentional changes affect reproducibility (e.g., new fields, algorithm changes):
### 1. Manual Update
```bash
# Run tests and capture new hashes
dotnet test tests/integration/StellaOps.Integration.E2E/ \
--results-directory ./TestResults
# Update baseline
cp ./TestResults/verdict_hash.txt ./bench/determinism/golden-baseline/
# ... update e2e-hashes.json
```
### 2. CI Update (Recommended)
```bash
# Trigger workflow with update flag
# Via Gitea UI: Actions → E2E Reproducibility → Run workflow
# Set update_baseline = true
```
### 3. Approval Process
1. Create PR with baseline update
2. Explain why the change is intentional
3. Verify all platforms produce consistent results
4. Get approval from Platform Guild lead
5. Merge after CI passes
## CI Workflow Reference
### Jobs
| Job | Runs On | Trigger | Purpose |
|-----|---------|---------|---------|
| `reproducibility-ubuntu` | Every PR | PR/Push | Primary reproducibility check |
| `reproducibility-windows` | Nightly | Schedule/Manual | Cross-platform Windows |
| `reproducibility-macos` | Nightly | Schedule/Manual | Cross-platform macOS |
| `cross-platform-compare` | After platform jobs | Schedule/Manual | Compare hashes |
| `golden-baseline` | After Ubuntu | Always | Baseline verification |
| `reproducibility-gate` | After all | Always | Final status check |
### Artifacts
| Artifact | Retention | Contents |
|----------|-----------|----------|
| `e2e-results-{platform}` | 14 days | Test results (.trx), logs |
| `hashes-{platform}` | 14 days | Hash files for comparison |
| `cross-platform-report` | 30 days | Markdown comparison report |
## Related Documentation
- [Reproducibility Architecture](../reproducibility.md)
- [VerdictId Content-Addressing](../modules/policy/architecture.md#verdictid)
- [DSSE Envelope Format](../modules/attestor/architecture.md#dsse)
- [Determinism Testing](./determinism-verification.md)
## Sprint History
- **8200.0001.0004** - Initial E2E reproducibility test implementation
- **8200.0001.0001** - VerdictId content-addressing (dependency)
- **8200.0001.0002** - DSSE round-trip testing (dependency)

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# Mutation Testing Baselines
> Sprint: SPRINT_0353_0001_0001_mutation_testing_integration
> Task: MUT-0353-005
This document tracks mutation testing baselines for critical modules.
## Baseline Scores
| Module | Initial Score | Target Score | Date Established |
|--------|--------------|--------------|------------------|
| Scanner.Core | 72% | ≥ 80% | 2025-12-16 |
| Policy.Engine | 68% | ≥ 80% | 2025-12-16 |
| Authority.Core | 75% | ≥ 85% | 2025-12-16 |
| Signer.Core | 70% | ≥ 80% | TBD |
| Attestor.Core | 65% | ≥ 80% | TBD |
| Reachability.Core | 60% | ≥ 75% | TBD |
## Threshold Configuration
See `stryker-thresholds.json` for per-module threshold configuration.
## Mutation Operators Applied
| Operator | Description | Enabled |
|----------|-------------|---------|
| Arithmetic | Replace +, -, *, /, % | ✓ |
| Boolean | Flip true/false | ✓ |
| Comparison | Replace <, >, <=, >=, ==, != | ✓ |
| Logical | Replace &&, ||, ! | ✓ |
| String | Mutate string literals | ✓ |
| Linq | Mutate LINQ methods | ✓ |
| NullCoalescing | Mutate ?? operators | ✓ |
| Assignment | Mutate assignment operators | ✓ |
## Exclusions
The following patterns are excluded from mutation testing:
- `**/Migrations/**` - Database migrations (tested via integration tests)
- `**/Generated/**` - Generated code
- `**/*.g.cs` - Source-generated files
- `**/Models/**` - Simple data transfer objects
- `**/Exceptions/**` - Exception types (tested via integration)
## Running Mutation Tests
### Local Execution
```bash
# Run mutation tests for a specific module
cd src/Scanner/__Libraries/StellaOps.Scanner.Core
dotnet stryker
# Run with specific configuration
dotnet stryker -f stryker-config.json --reporter html
# Quick mode (fewer mutations, faster feedback)
dotnet stryker --since:main
```
### CI Execution
Mutation tests run on:
- Merge requests targeting main
- Weekly scheduled runs (comprehensive)
Results are uploaded as artifacts and published to the mutation testing dashboard.
## Improving Mutation Score
1. **Add missing test cases** - Cover edge cases revealed by surviving mutants
2. **Strengthen assertions** - Replace weak assertions with specific ones
3. **Test boundary conditions** - Cover off-by-one and boundary scenarios
4. **Add negative tests** - Test that invalid inputs are rejected
## References
- [Stryker.NET Documentation](https://stryker-mutator.io/docs/stryker-net/)
- [Mutation Testing Guide](../testing/mutation-testing-guide.md)

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# Mutation Testing Guide
This guide documents the integration and usage of Stryker.NET mutation testing in StellaOps.
## Overview
Mutation testing measures test suite effectiveness by introducing small code changes (mutants) and verifying that tests detect them. Unlike line coverage, mutation testing answers: **"Would my tests catch this bug?"**
## Installation
Stryker.NET is configured as a local dotnet tool:
```bash
# Restore tools (includes Stryker.NET)
dotnet tool restore
# Verify installation
dotnet stryker --version
```
## Configuration
### Solution-Level Configuration
Base configuration is at `stryker-config.json` in the solution root. Module-specific configs override these settings.
### Module Configurations
| Module | Config Path | Mutation Break Threshold |
|--------|-------------|-------------------------|
| Scanner.Core | `src/Scanner/__Libraries/StellaOps.Scanner.Core/stryker-config.json` | 60% |
| Policy.Engine | `src/Policy/StellaOps.Policy.Engine/stryker-config.json` | 60% |
| Authority | `src/Authority/StellaOps.Authority/stryker-config.json` | 65% |
## Running Mutation Tests
### Single Module
```bash
# Navigate to module directory
cd src/Scanner/__Libraries/StellaOps.Scanner.Core
# Run mutation testing
dotnet stryker
# With specific config
dotnet stryker --config-file stryker-config.json
```
### All Configured Modules
```bash
# From solution root
dotnet stryker --solution StellaOps.Router.slnx
```
### CI Mode (Threshold Enforcement)
```bash
# Fails if mutation score below threshold
dotnet stryker --break-at-score 60
```
## Understanding Results
### Mutation Score
```
Mutation Score = (Killed Mutants / Total Mutants) × 100
```
- **Killed**: Test failed when mutant was introduced (good!)
- **Survived**: Test passed with mutant present (test gap!)
- **No Coverage**: No test covered the mutated code
- **Timeout**: Test timed out (usually treated as killed)
### Thresholds
| Level | Score | Meaning |
|-------|-------|---------|
| High | ≥80% | Excellent test effectiveness |
| Low | ≥60% | Acceptable, improvements needed |
| Break | <50% | Build fails, critical gaps |
### Example Output
```
All mutants have been tested, and your mutation score has been calculated
╔═══════════════════════════════════════════════════════════════════════╗
║ Mutation Testing Report ║
╠═══════════════════════════════════════════════════════════════════════╣
║ Mutants tested: 156 ║
║ Mutants killed: 134 ║
║ Mutants survived: 18 ║
║ Mutants no coverage: 4 ║
║ Mutation score: 85.90% ║
╚═══════════════════════════════════════════════════════════════════════╝
```
## Common Mutators
| Mutator | Original | Mutant |
|---------|----------|--------|
| Comparison | `>=` | `>` |
| Equality | `==` | `!=` |
| Boolean | `true` | `false` |
| Logical | `&&` | `\|\|` |
| Arithmetic | `+` | `-` |
| NullCoalescing | `??` | ` ` (remove) |
## Fixing Survived Mutants
### 1. Analyze the Report
Open the HTML report in `.stryker/output/<module>/mutation-report.html`.
### 2. Identify the Gap
Look at the survived mutant:
```csharp
// Original
if (score >= threshold) { return "PASS"; }
// Mutant (survived!)
if (score > threshold) { return "PASS"; }
```
### 3. Add Missing Test
```csharp
[Fact]
public void Should_Pass_When_Score_Equals_Threshold()
{
var score = 60;
var threshold = 60;
var result = EvaluateScore(score, threshold);
result.Should().Be("PASS"); // Now kills the >= to > mutant
}
```
## Best Practices
### 1. Focus on Critical Modules First
Prioritize mutation testing for:
- Security-critical code (Authority, Signer)
- Business logic (Policy decisions, Scanner matching)
- Boundary conditions
### 2. Don't Chase 100%
Some mutants are false positives or equivalent mutants. Aim for 80%+ on critical modules.
### 3. Use Baseline Mode
Enable baseline to only test changed files:
```bash
dotnet stryker --with-baseline:main
```
### 4. Exclude Non-Critical Code
Exclude from mutation testing:
- DTOs and models
- Generated code
- Migrations
- UI components
## CI Integration
Mutation testing runs in CI:
```yaml
mutation-test:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Run Stryker
run: |
dotnet tool restore
dotnet stryker --break-at-score 60
```
## Troubleshooting
### Slow Execution
- Use `--concurrency` to control parallelism
- Enable `coverage-analysis: perTest` for smarter mutant selection
- Use `--since:main` to only test changed code
### Out of Memory
- Reduce `--concurrency` value
- Exclude large test projects
### Timeout Issues
- Adjust `--timeout` setting
- Some infinite loop mutants may timeout (this is expected)
## References
- [Stryker.NET Documentation](https://stryker-mutator.io/docs/stryker-net/introduction/)
- [Mutation Testing Theory](https://en.wikipedia.org/wiki/Mutation_testing)
- StellaOps Test Suite Overview: `docs/19_TEST_SUITE_OVERVIEW.md`

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# SBOM Schema Validation
This document describes the schema validation system for SBOM (Software Bill of Materials) fixtures in StellaOps.
## Overview
StellaOps validates all SBOM fixtures against official JSON schemas to detect schema drift before runtime. This ensures:
- CycloneDX 1.6 fixtures are compliant with the official schema
- SPDX 3.0.1 fixtures meet specification requirements
- OpenVEX fixtures follow the 0.2.0 specification
- Invalid fixtures are detected early in the CI pipeline
## Supported Formats
| Format | Version | Schema Location | Validator |
|--------|---------|-----------------|-----------|
| CycloneDX | 1.6 | `docs/schemas/cyclonedx-bom-1.6.schema.json` | sbom-utility |
| SPDX | 3.0.1 | `docs/schemas/spdx-jsonld-3.0.1.schema.json` | pyspdxtools / check-jsonschema |
| OpenVEX | 0.2.0 | `docs/schemas/openvex-0.2.0.schema.json` | ajv-cli |
## CI Workflows
### Schema Validation Workflow
**File:** `.gitea/workflows/schema-validation.yml`
Runs on:
- Pull requests touching `bench/golden-corpus/**`, `src/Scanner/**`, `docs/schemas/**`, or `scripts/validate-*.sh`
- Push to `main` branch
Jobs:
1. **validate-cyclonedx** - Validates all CycloneDX 1.6 fixtures
2. **validate-spdx** - Validates all SPDX 3.0.1 fixtures
3. **validate-vex** - Validates all OpenVEX 0.2.0 fixtures
4. **validate-negative** - Verifies invalid fixtures are correctly rejected
5. **summary** - Aggregates results
### Determinism Gate Integration
**File:** `.gitea/workflows/determinism-gate.yml`
The determinism gate includes schema validation as a prerequisite step. If schema validation fails, determinism checks are blocked.
To skip schema validation (e.g., during debugging):
```bash
# Via workflow_dispatch
skip_schema_validation: true
```
## Fixture Directories
Validation scans these directories for SBOM fixtures:
| Directory | Purpose |
|-----------|---------|
| `src/__Tests/__Benchmarks/golden-corpus/` | Golden reference fixtures for reproducibility testing |
| `src/__Tests/fixtures/` | Test fixtures for unit and integration tests |
| `src/__Tests/__Datasets/seed-data/` | Initial seed data for development environments |
| `src/__Tests/fixtures/invalid/` | **Excluded** - Contains intentionally invalid fixtures for negative testing |
## Local Validation
### Using the Validation Scripts
```bash
# Validate a single CycloneDX file
./scripts/validate-sbom.sh path/to/sbom.json
# Validate all CycloneDX files in a directory
./scripts/validate-sbom.sh --all path/to/directory
# Validate SPDX file
./scripts/validate-spdx.sh path/to/sbom.spdx.json
# Validate OpenVEX file
./scripts/validate-vex.sh path/to/vex.openvex.json
```
### Using sbom-utility Directly
```bash
# Install sbom-utility
curl -sSfL "https://github.com/CycloneDX/sbom-utility/releases/download/v0.16.0/sbom-utility-v0.16.0-linux-amd64.tar.gz" | tar xz
sudo mv sbom-utility /usr/local/bin/
# Validate
sbom-utility validate --input-file sbom.json --schema docs/schemas/cyclonedx-bom-1.6.schema.json
```
## Troubleshooting
### Common Validation Errors
#### 1. Invalid specVersion
**Error:** `enum: must be equal to one of the allowed values`
**Cause:** The `specVersion` field contains an invalid or unsupported version.
**Solution:**
```json
// Invalid
"specVersion": "2.0"
// Valid
"specVersion": "1.6"
```
#### 2. Missing Required Fields
**Error:** `required: must have required property 'name'`
**Cause:** A component is missing required fields.
**Solution:** Ensure all components have required fields:
```json
{
"type": "library",
"name": "example-package",
"version": "1.0.0"
}
```
#### 3. Invalid Component Type
**Error:** `enum: type must be equal to one of the allowed values`
**Cause:** The component type is not a valid CycloneDX type.
**Solution:** Use valid types: `application`, `framework`, `library`, `container`, `operating-system`, `device`, `firmware`, `file`, `data`
#### 4. Invalid PURL Format
**Error:** `format: must match format "purl"`
**Cause:** The package URL (purl) is malformed.
**Solution:** Use correct purl format:
```json
// Invalid
"purl": "npm:example@1.0.0"
// Valid
"purl": "pkg:npm/example@1.0.0"
```
### CI Failure Recovery
1. **Identify the failing fixture:** Check CI logs for the specific file
2. **Download the fixture:** `cat path/to/failing-fixture.json`
3. **Run local validation:** `./scripts/validate-sbom.sh path/to/failing-fixture.json`
4. **Fix the schema issues:** Use the error messages to guide corrections
5. **Verify the fix:** Re-run local validation
6. **Push and verify CI passes**
### Negative Test Failures
If negative tests fail with "UNEXPECTED PASS":
1. The invalid fixture in `tests/fixtures/invalid/` somehow passed validation
2. Review the fixture to ensure it contains actual schema violations
3. Update the fixture to include more obvious violations
4. Document the expected error in `tests/fixtures/invalid/README.md`
## Adding New Fixtures
### Valid Fixtures
1. Create fixture in appropriate directory (`bench/golden-corpus/`, `tests/fixtures/`)
2. Ensure it contains the format marker:
- CycloneDX: `"bomFormat": "CycloneDX"`
- SPDX: `"spdxVersion"` or `"@context"` with SPDX
- OpenVEX: `"@context"` with openvex
3. Run local validation before committing
4. CI will automatically validate on PR
### Invalid Fixtures (Negative Testing)
1. Create fixture in `tests/fixtures/invalid/`
2. Add `$comment` field explaining the defect
3. Update `tests/fixtures/invalid/README.md` with expected error
4. Ensure the fixture has the correct format marker
5. CI will verify it fails validation
## Schema Updates
When updating schema versions:
1. Download new schema to `docs/schemas/`
2. Update `SBOM_UTILITY_VERSION` in workflows if needed
3. Run full validation to check for new violations
4. Update documentation with new version
5. Update `docs/reproducibility.md` with schema version changes
## References
- [CycloneDX Specification](https://cyclonedx.org/specification/overview/)
- [CycloneDX sbom-utility](https://github.com/CycloneDX/sbom-utility)
- [SPDX Specification](https://spdx.github.io/spdx-spec/v3.0.1/)
- [SPDX Python Tools](https://github.com/spdx/tools-python)
- [OpenVEX Specification](https://github.com/openvex/spec)

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# Security Testing Guide
> Sprint: SPRINT_0352_0001_0001_security_testing_framework
> Task: SEC-0352-010
This guide describes the security testing framework used in StellaOps, aligned with OWASP Top 10 categories.
## Overview
The security testing framework provides automated tests for common security vulnerabilities organized by OWASP category:
| OWASP Category | Directory | Status |
|----------------|-----------|--------|
| A01: Broken Access Control | `A01_BrokenAccessControl/` | ✓ Implemented |
| A02: Cryptographic Failures | `A02_CryptographicFailures/` | ✓ Implemented |
| A03: Injection | `A03_Injection/` | ✓ Implemented |
| A05: Security Misconfiguration | `A05_SecurityMisconfiguration/` | ✓ Implemented |
| A07: Authentication Failures | `A07_AuthenticationFailures/` | ✓ Implemented |
| A08: Software/Data Integrity | `A08_SoftwareDataIntegrity/` | ✓ Implemented |
| A10: SSRF | `A10_SSRF/` | ✓ Implemented |
## Directory Structure
```
tests/
└── security/
├── README.md
└── StellaOps.Security.Tests/
├── Infrastructure/
│ ├── SecurityTestBase.cs
│ ├── MaliciousPayloads.cs
│ └── SecurityAssertions.cs
├── A01_BrokenAccessControl/
├── A02_CryptographicFailures/
├── A03_Injection/
├── A05_SecurityMisconfiguration/
├── A07_AuthenticationFailures/
├── A08_SoftwareDataIntegrity/
└── A10_SSRF/
```
## Running Security Tests
### Local Execution
```bash
# Run all security tests
cd tests/security/StellaOps.Security.Tests
dotnet test --filter "Category=Security"
# Run specific OWASP category
dotnet test --filter "OWASP=A01"
# Run with detailed output
dotnet test --filter "Category=Security" --verbosity detailed
```
### CI Integration
Security tests run automatically on:
- All pull requests to `main` or `develop`
- Scheduled nightly builds
Results are uploaded as artifacts and any failures block the PR.
## Test Categories
### A01: Broken Access Control
Tests for authorization bypass vulnerabilities:
- Tenant isolation violations
- RBAC enforcement
- Privilege escalation
- IDOR (Insecure Direct Object References)
### A02: Cryptographic Failures
Tests for cryptographic weaknesses:
- Key material exposure in logs
- Weak algorithm usage
- TLS configuration
- Secure random generation
### A03: Injection
Tests for injection vulnerabilities:
- SQL injection (parameterization)
- Command injection
- ORM injection
- Path traversal
### A05: Security Misconfiguration
Tests for configuration errors:
- Debug mode in production
- Error detail leakage
- Security headers
- CORS configuration
### A07: Authentication Failures
Tests for authentication weaknesses:
- Brute force protection
- Weak password acceptance
- Session management
- Account lockout
### A08: Software/Data Integrity
Tests for integrity verification:
- Artifact signature verification
- SBOM integrity
- Attestation chain validation
- DSSE envelope validation
### A10: SSRF
Tests for server-side request forgery:
- Internal network access
- Cloud metadata endpoint blocking
- URL validation
## Writing Security Tests
### Base Class
All security tests should extend `SecurityTestBase`:
```csharp
using StellaOps.Security.Tests.Infrastructure;
[Trait("Category", "Security")]
[Trait("OWASP", "A01")]
public sealed class MySecurityTests : SecurityTestBase
{
[Fact(DisplayName = "A01-XXX: Descriptive test name")]
public void TestMethod()
{
// Arrange, Act, Assert
}
}
```
### Naming Convention
- Test display names: `A{category}-{number}: {description}`
- Example: `A01-001: Admin endpoints should require authentication`
### Test Traits
Always include these traits:
- `Category = Security`
- `OWASP = A{category}`
## Security Test Guidelines
1. **Test both positive and negative cases** - Verify both allowed and denied actions
2. **Use realistic payloads** - Include common attack patterns from `MaliciousPayloads.cs`
3. **Don't rely on security by obscurity** - Assume attackers know the system
4. **Test boundaries** - Check edge cases and boundary conditions
5. **Document expected behavior** - Use descriptive test names and assertions
## Malicious Payloads
The `MaliciousPayloads.cs` file contains common attack patterns:
```csharp
public static class MaliciousPayloads
{
public static readonly string[] SqlInjection = new[]
{
"' OR '1'='1",
"1; DROP TABLE users--",
"admin'--"
};
public static readonly string[] CommandInjection = new[]
{
"; rm -rf /",
"| cat /etc/passwd",
"$(whoami)"
};
public static readonly string[] PathTraversal = new[]
{
"../../../etc/passwd",
"..\\..\\..\\windows\\system32\\config\\sam"
};
}
```
## CI Integration
### Workflow Configuration
The security test job runs after build-test completes:
```yaml
security-testing:
runs-on: ubuntu-22.04
needs: build-test
steps:
- name: Run OWASP security tests
run: |
dotnet test tests/security/StellaOps.Security.Tests \
--filter "Category=Security" \
--logger "trx;LogFileName=security-tests.trx"
```
### Failure Handling
Security test failures:
- Block PR merge
- Generate detailed report
- Notify security team via webhook
## Reporting
Security test results are:
- Uploaded as CI artifacts
- Included in quality gate summary
- Tracked for trend analysis
## Related Documentation
- [OWASP Top 10](https://owasp.org/Top10/)
- [OWASP Testing Guide](https://owasp.org/www-project-web-security-testing-guide/)
- [Mutation Testing Guide](./mutation-testing-guide.md)
- [CI Quality Gates](./ci-quality-gates.md)

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# Testing Quality Guardrails Implementation
## Overview
This document provides the master implementation plan for the Testing Quality Guardrails system derived from the `14-Dec-2025 - Testing and Quality Guardrails Technical Reference.md` product advisory.
**Source Advisory:** `docs/product-advisories/14-Dec-2025 - Testing and Quality Guardrails Technical Reference.md`
**Implementation Status:** Planning Complete, Execution Pending
---
## Executive Summary
The Testing Quality Guardrails implementation addresses gaps between the product advisory and the current StellaOps codebase. After analysis, we identified 6 high-value items to implement across 4 focused sprints.
### What We're Implementing
| Item | Sprint | Value | Effort |
|------|--------|-------|--------|
| Reachability quality gates in CI | 0350 | HIGH | LOW |
| TTFS regression tracking | 0350 | HIGH | LOW |
| Performance SLO enforcement | 0350 | HIGH | LOW |
| SCA Failure Catalogue (FC6-FC10) | 0351 | HIGH | MEDIUM |
| Security testing (OWASP Top 10) | 0352 | HIGH | MEDIUM |
| Mutation testing (Stryker.NET) | 0353 | MEDIUM | MEDIUM |
### What We're NOT Implementing (and Why)
| Item | Reason |
|------|--------|
| `toys/svc-XX/` directory restructure | Already have equivalent in `tests/reachability/corpus/` |
| `labels.yaml` per-service format | Already have `reachgraph.truth.json` with same semantics |
| Canonical TAG format | Can adopt incrementally, not blocking |
| Fix validation 100% pass rate | Too rigid; changed to 90% for fixable cases |
| Automated reviewer rejection | Over-engineering; human judgment needed |
---
## Sprint Roadmap
```
┌─────────────────────────────────────────────────────────────────┐
│ TESTING QUALITY GUARDRAILS │
├─────────────────────────────────────────────────────────────────┤
│ │
│ Sprint 0350 Sprint 0351 │
│ CI Quality Gates SCA Failure Catalogue │
│ ┌─────────────┐ ┌─────────────┐ │
│ │ Reachability│ │ FC6: Java │ │
│ │ TTFS │ │ FC7: .NET │ │
│ │ Performance │ │ FC8: Docker │ │
│ └─────────────┘ │ FC9: PURL │ │
│ │ │ FC10: CVE │ │
│ │ └─────────────┘ │
│ │ │ │
│ └──────────┬───────────────┘ │
│ │ │
│ ▼ │
│ Sprint 0352 Sprint 0353 │
│ Security Testing Mutation Testing │
│ ┌─────────────┐ ┌─────────────┐ │
│ │ OWASP Top 10│ │ Stryker.NET │ │
│ │ A01-A10 │ │ Scanner │ │
│ │ 50+ tests │ │ Policy │ │
│ └─────────────┘ │ Authority │ │
│ └─────────────┘ │
│ │
└─────────────────────────────────────────────────────────────────┘
```
### Execution Order
1. **Sprint 0350** and **Sprint 0351** can run in parallel (no dependencies)
2. **Sprint 0352** can run in parallel with 0350/0351
3. **Sprint 0353** should start after 0352 (security tests should be stable first)
### Estimated Duration
| Sprint | Tasks | Estimated Effort |
|--------|-------|------------------|
| 0350 | 10 | 2-3 developer-days |
| 0351 | 10 | 3-4 developer-days |
| 0352 | 10 | 4-5 developer-days |
| 0353 | 10 | 3-4 developer-days |
| **Total** | **40** | **12-16 developer-days** |
---
## Sprint Details
### Sprint 0350: CI Quality Gates Foundation
**File:** `docs/implplan/SPRINT_0350_0001_0001_ci_quality_gates_foundation.md`
**Objective:** Connect existing test infrastructure to CI enforcement
**Key Deliverables:**
- `scripts/ci/compute-reachability-metrics.sh` - Compute recall/precision from corpus
- `scripts/ci/reachability-thresholds.yaml` - Enforcement thresholds
- `scripts/ci/compute-ttfs-metrics.sh` - TTFS extraction from test runs
- `bench/baselines/ttfs-baseline.json` - TTFS targets
- `scripts/ci/enforce-performance-slos.sh` - Performance SLO checks
- CI workflow modifications for quality gates
**Quality Thresholds:**
```yaml
thresholds:
runtime_dependency_recall: >= 0.95
unreachable_false_positives: <= 0.05
reachability_underreport: <= 0.10
ttfs_regression: <= +10% vs main
```
---
### Sprint 0351: SCA Failure Catalogue Completion
**File:** `docs/implplan/SPRINT_0351_0001_0001_sca_failure_catalogue_completion.md`
**Objective:** Complete FC6-FC10 test cases for scanner regression testing
**New Failure Cases:**
| ID | Name | Failure Mode |
|----|------|--------------|
| FC6 | Java Shadow JAR | Shaded dependencies not detected |
| FC7 | .NET Transitive Pinning | CPM pins to vulnerable version |
| FC8 | Docker Multi-Stage Leakage | Build-time deps in runtime analysis |
| FC9 | PURL Namespace Collision | npm vs pypi same package name |
| FC10 | CVE Split/Merge | Single vuln with multiple CVE IDs |
**Key Deliverables:**
- 5 new fixture directories under `tests/fixtures/sca/catalogue/`
- DSSE manifests for integrity verification
- xUnit test project for failure catalogue
- Updated documentation
---
### Sprint 0352: Security Testing Framework
**File:** `docs/implplan/SPRINT_0352_0001_0001_security_testing_framework.md`
**Objective:** Systematic OWASP Top 10 coverage for StellaOps
**Coverage Matrix:**
| OWASP | Category | Test Count |
|-------|----------|------------|
| A01 | Broken Access Control | 8+ |
| A02 | Cryptographic Failures | 6+ |
| A03 | Injection | 10+ |
| A05 | Security Misconfiguration | 6+ |
| A07 | Authentication Failures | 8+ |
| A08 | Integrity Failures | 5+ |
| A10 | SSRF | 8+ |
| **Total** | **7 categories** | **50+ tests** |
**Key Deliverables:**
- `tests/security/StellaOps.Security.Tests/` - Security test project
- `MaliciousPayloads.cs` - Common attack patterns
- `SecurityTestBase.cs` - Test infrastructure
- `.gitea/workflows/security-tests.yml` - Dedicated CI workflow
- `docs/testing/security-testing-guide.md` - Documentation
---
### Sprint 0353: Mutation Testing Integration
**File:** `docs/implplan/SPRINT_0353_0001_0001_mutation_testing_integration.md`
**Objective:** Measure test suite effectiveness with Stryker.NET
**Target Modules:**
| Module | Threshold (Break) | Threshold (High) |
|--------|-------------------|------------------|
| Scanner.Core | 60% | 85% |
| Policy.Engine | 60% | 85% |
| Authority.Core | 65% | 90% |
**Key Deliverables:**
- Stryker.NET configuration for each target module
- `scripts/ci/mutation-thresholds.yaml` - Threshold configuration
- `.gitea/workflows/mutation-testing.yml` - Weekly mutation runs
- `bench/baselines/mutation-baselines.json` - Baseline scores
- `docs/testing/mutation-testing-guide.md` - Developer guide
---
## Existing Infrastructure Mapping
The advisory describes structures that already exist under different names:
| Advisory Structure | Existing Equivalent | Notes |
|-------------------|---------------------|-------|
| `toys/svc-XX/` | `tests/reachability/corpus/` | Same purpose, different path |
| `labels.yaml` | `reachgraph.truth.json` | Different schema, same semantics |
| `evidence/trace.json` | Evidence in attestor module | Already implemented |
| `PostgresFixture` | `PostgresIntegrationFixture` | Already implemented |
| `FakeTimeProvider` | Authority tests, ConnectorTestHarness | Already used |
| `inputs.lock` | Exists in acceptance/guardrails | Already implemented |
---
## Quality Gate Summary
After implementation, CI will enforce:
### Reachability Gates
- Runtime dependency recall ≥ 95%
- Unreachable false positives ≤ 5%
- Reachability underreport ≤ 10%
### Performance Gates
- Medium service scan < 2 minutes
- Reachability compute < 30 seconds
- SBOM ingestion < 5 seconds
### TTFS Gates
- p50 < 2 seconds
- p95 < 5 seconds
- Regression ≤ +10% vs main
### Coverage Gates
- Line coverage ≥ 70% (existing)
- Branch coverage ≥ 60% (existing)
- Mutation score ≥ 60-65% (break threshold)
### Security Gates
- All security tests pass
- No OWASP Top 10 violations
---
## File Changes Summary
### New Files
```
scripts/ci/
├── compute-reachability-metrics.sh
├── compute-ttfs-metrics.sh
├── enforce-performance-slos.sh
├── enforce-thresholds.sh
├── enforce-mutation-thresholds.sh
├── extract-mutation-score.sh
├── reachability-thresholds.yaml
└── mutation-thresholds.yaml
bench/baselines/
├── ttfs-baseline.json
└── mutation-baselines.json
tests/
├── fixtures/sca/catalogue/
│ ├── fc6-java-shadow-jar/
│ ├── fc7-dotnet-transitive-pinning/
│ ├── fc8-docker-multistage-leakage/
│ ├── fc9-purl-namespace-collision/
│ └── fc10-cve-split-merge/
└── security/
└── StellaOps.Security.Tests/
.gitea/workflows/
├── security-tests.yml
└── mutation-testing.yml
.config/
└── dotnet-tools.json (stryker)
stryker-config.json (root)
src/Scanner/__Libraries/StellaOps.Scanner.Core/stryker-config.json
src/Policy/StellaOps.Policy.Engine/stryker-config.json
src/Authority/StellaOps.Authority.Core/stryker-config.json
docs/testing/
├── ci-quality-gates.md
├── security-testing-guide.md
└── mutation-testing-guide.md
```
### Modified Files
```
.gitea/workflows/build-test-deploy.yml
tests/fixtures/sca/catalogue/inputs.lock
tests/fixtures/sca/catalogue/README.md
README.md (badges)
```
---
## Rollback Strategy
If quality gates cause CI instability:
1. **Immediate:** Set `failure_mode: warn` in threshold configs
2. **Short-term:** Remove `needs:` dependencies to unblock other jobs
3. **Investigation:** Create issue with specific threshold that failed
4. **Resolution:** Either fix underlying issue or adjust threshold
5. **Re-enable:** Set `failure_mode: block` after verification
---
## Success Metrics
| Metric | Current | Target | Measurement |
|--------|---------|--------|-------------|
| FC Catalogue coverage | 5 cases | 10 cases | Count of fixtures |
| Security test coverage | Partial | 50+ tests | OWASP categories |
| Mutation score (Scanner) | Unknown | ≥ 70% | Stryker weekly |
| Mutation score (Policy) | Unknown | ≥ 70% | Stryker weekly |
| Mutation score (Authority) | Unknown | ≥ 80% | Stryker weekly |
| Quality gate pass rate | N/A | ≥ 95% | CI runs |
---
## References
### Sprint Files
- `docs/implplan/SPRINT_0350_0001_0001_ci_quality_gates_foundation.md`
- `docs/implplan/SPRINT_0351_0001_0001_sca_failure_catalogue_completion.md`
- `docs/implplan/SPRINT_0352_0001_0001_security_testing_framework.md`
- `docs/implplan/SPRINT_0353_0001_0001_mutation_testing_integration.md`
### Source Advisory
- `docs/product-advisories/14-Dec-2025 - Testing and Quality Guardrails Technical Reference.md`
### Existing Documentation
- `docs/19_TEST_SUITE_OVERVIEW.md`
- `docs/modules/reach-graph/schemas/ground-truth-schema.md`
- `docs/modules/reach-graph/guides/corpus-plan.md`
- `tests/reachability/README.md`
---
## Document Version
| Field | Value |
|-------|-------|
| Version | 1.0 |
| Created | 2025-12-14 |
| Author | Platform Team |
| Status | Planning Complete |

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# Testing Strategy Models and Lanes (2026)
Source advisory: `docs/product-advisories/22-Dec-2026 - Better testing strategy.md`
Supersedes/extends: `docs/product-advisories/archived/2025-12-21-testing-strategy/20-Dec-2025 - Testing strategy.md`
## Purpose
- Define a single testing taxonomy for all StellaOps project types.
- Make determinism, offline readiness, and evidence integrity testable by default.
- Align CI lanes with a shared catalog so coverage is visible and enforceable.
## Strategy in brief
- Use test models (L0, S1, C1, W1, WK1, T1, AN1, CLI1, PERF) to encode required test types.
- Map every module to one or more models in `docs/testing/TEST_CATALOG.yml`.
- Run tests through standardized CI lanes (Unit, Contract, Integration, Security, Performance, Live).
## Test models (requirements)
- L0 (Library/Core): unit + property + snapshot + determinism.
- S1 (Storage/Postgres): migrations + idempotency + concurrency + query ordering.
- T1 (Transport/Queue): protocol roundtrip + fuzz invalid + delivery semantics.
- C1 (Connector/External): fixtures + snapshot + resilience + security; optional Live smoke.
- W1 (WebService/API): contract + authz + OTel trace assertions + negative cases.
- WK1 (Worker/Indexer): end-to-end job flow + retries + idempotency + telemetry.
- AN1 (Analyzer/SourceGen): Roslyn harness + diagnostics + golden generated output.
- CLI1 (Tool/CLI): exit codes + golden output + deterministic formatting.
- PERF (Benchmark): perf smoke subset + regression thresholds (relative).
## Repository foundations
- TestKit primitives: deterministic time/random, canonical JSON asserts, snapshot helpers, Postgres/Valkey fixtures, OTel capture.
- Determinism gate: canonical bytes and stable hashes for SBOM/VEX/verdict artifacts.
- Hybrid reachability posture: graph DSSE mandatory; edge-bundle DSSE optional/targeted with deterministic ordering.
- Architecture guards: enforce cross-module dependency boundaries (no lattice in Concelier/Excititor).
- Offline defaults: no network access unless explicitly tagged `Live`.
## CI lanes (standard filters)
- Unit: fast, offline; includes property and snapshot sub-traits.
- Contract: schema/OpenAPI stability and response envelopes.
- Integration: Testcontainers-backed service and storage tests.
- Security: authz/negative tests and security regressions.
- Performance: perf smoke and benchmark guards.
- Live: opt-in upstream connector checks (never PR gating by default).
## Documentation moments (when to update)
- New model or required test type: update `docs/testing/TEST_CATALOG.yml`.
- New lane or gate: update `docs/TEST_SUITE_OVERVIEW.md` and `docs/testing/ci-quality-gates.md`.
- Module-specific test policy change: update the module dossier under `docs/modules/<module>/`.
- New fixtures or runnable harnesses: place under `docs/benchmarks/**` or `tests/**` and link here.
## Related artifacts
- Test catalog (source of truth): `docs/testing/TEST_CATALOG.yml`
- Test suite overview: `docs/TEST_SUITE_OVERVIEW.md`
- Quality guardrails: `docs/testing/testing-quality-guardrails-implementation.md`
- Code samples from the advisory: `docs/benchmarks/testing/better-testing-strategy-samples.md`

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# StellaOps.TestKit Usage Guide
**Version:** 1.0
**Status:** Pilot Release (Wave 4 Complete)
**Audience:** StellaOps developers writing unit, integration, and contract tests
---
## Overview
`StellaOps.TestKit` provides deterministic testing infrastructure for StellaOps modules. It eliminates flaky tests, provides reproducible test primitives, and standardizes fixtures for integration testing.
### Key Features
- **Deterministic Time**: Freeze and advance time for reproducible tests
- **Deterministic Random**: Seeded random number generation
- **Canonical JSON Assertions**: SHA-256 hash verification for determinism
- **Snapshot Testing**: Golden master regression testing
- **PostgreSQL Fixture**: Testcontainers-based PostgreSQL 16 for integration tests
- **Valkey Fixture**: Redis-compatible caching tests
- **HTTP Fixture**: In-memory API contract testing
- **OpenTelemetry Capture**: Trace and span assertion helpers
- **Test Categories**: Standardized trait constants for CI filtering
---
## Installation
Add `StellaOps.TestKit` as a project reference to your test project:
```xml
<ItemGroup>
<ProjectReference Include="../../../__Libraries/StellaOps.TestKit/StellaOps.TestKit.csproj" />
</ItemGroup>
```
---
## Quick Start Examples
### 1. Deterministic Time
Eliminate flaky tests caused by time-dependent logic:
```csharp
using StellaOps.TestKit.Deterministic;
using Xunit;
[Fact]
public void Test_ExpirationLogic()
{
// Arrange: Fix time at a known UTC timestamp
using var time = new DeterministicTime(new DateTime(2026, 1, 15, 10, 30, 0, DateTimeKind.Utc));
var expiresAt = time.UtcNow.AddHours(24);
// Act: Advance time to just before expiration
time.Advance(TimeSpan.FromHours(23));
Assert.False(time.UtcNow > expiresAt);
// Advance past expiration
time.Advance(TimeSpan.FromHours(2));
Assert.True(time.UtcNow > expiresAt);
}
```
**API Reference:**
- `DeterministicTime(DateTime initialUtc)` - Create with fixed start time
- `UtcNow` - Get current deterministic time
- `Advance(TimeSpan duration)` - Move time forward
- `SetTo(DateTime newUtc)` - Jump to specific time
---
### 2. Deterministic Random
Reproducible random sequences for property tests and fuzzing:
```csharp
using StellaOps.TestKit.Deterministic;
[Fact]
public void Test_RandomIdGeneration()
{
// Arrange: Same seed produces same sequence
var random1 = new DeterministicRandom(seed: 42);
var random2 = new DeterministicRandom(seed: 42);
// Act
var guid1 = random1.NextGuid();
var guid2 = random2.NextGuid();
// Assert: Reproducible GUIDs
Assert.Equal(guid1, guid2);
}
[Fact]
public void Test_Shuffling()
{
var random = new DeterministicRandom(seed: 100);
var array = new[] { 1, 2, 3, 4, 5 };
random.Shuffle(array);
// Deterministic shuffle order
Assert.NotEqual(new[] { 1, 2, 3, 4, 5 }, array);
}
```
**API Reference:**
- `DeterministicRandom(int seed)` - Create with seed
- `NextGuid()` - Generate deterministic GUID
- `NextString(int length)` - Generate alphanumeric string
- `NextInt(int min, int max)` - Generate integer in range
- `Shuffle<T>(T[] array)` - Fisher-Yates shuffle
---
### 3. Canonical JSON Assertions
Verify JSON determinism for SBOM, VEX, and attestation outputs:
```csharp
using StellaOps.TestKit.Assertions;
[Fact]
public void Test_SbomDeterminism()
{
var sbom = new
{
SpdxVersion = "SPDX-3.0.1",
Name = "MySbom",
Packages = new[] { new { Name = "Pkg1", Version = "1.0" } }
};
// Verify deterministic serialization
CanonicalJsonAssert.IsDeterministic(sbom, iterations: 100);
// Verify expected hash (golden master)
var expectedHash = "abc123..."; // Precomputed SHA-256
CanonicalJsonAssert.HasExpectedHash(sbom, expectedHash);
}
[Fact]
public void Test_JsonPropertyExists()
{
var vex = new
{
Document = new { Id = "VEX-2026-001" },
Statements = new[] { new { Vulnerability = "CVE-2026-1234" } }
};
// Deep property verification
CanonicalJsonAssert.ContainsProperty(vex, "Document.Id", "VEX-2026-001");
CanonicalJsonAssert.ContainsProperty(vex, "Statements[0].Vulnerability", "CVE-2026-1234");
}
```
**API Reference:**
- `IsDeterministic<T>(T value, int iterations)` - Verify N serializations match
- `HasExpectedHash<T>(T value, string expectedSha256Hex)` - Verify SHA-256 hash
- `ComputeCanonicalHash<T>(T value)` - Compute hash for golden master
- `AreCanonicallyEqual<T>(T expected, T actual)` - Compare canonical JSON
- `ContainsProperty<T>(T value, string propertyPath, object expectedValue)` - Deep search
---
### 4. Snapshot Testing
Golden master regression testing for complex outputs:
```csharp
using StellaOps.TestKit.Assertions;
[Fact, Trait("Category", TestCategories.Snapshot)]
public void Test_SbomGeneration()
{
var sbom = GenerateSbom(); // Your SBOM generation logic
// Snapshot will be stored in Snapshots/TestSbomGeneration.json
SnapshotAssert.MatchesSnapshot(sbom, "TestSbomGeneration");
}
// Update snapshots when intentional changes occur:
// UPDATE_SNAPSHOTS=1 dotnet test
```
**Text and Binary Snapshots:**
```csharp
[Fact]
public void Test_LicenseText()
{
var licenseText = GenerateLicenseNotice();
SnapshotAssert.MatchesTextSnapshot(licenseText, "LicenseNotice");
}
[Fact]
public void Test_SignatureBytes()
{
var signature = SignDocument(document);
SnapshotAssert.MatchesBinarySnapshot(signature, "DocumentSignature");
}
```
**API Reference:**
- `MatchesSnapshot<T>(T value, string snapshotName)` - JSON snapshot
- `MatchesTextSnapshot(string value, string snapshotName)` - Text snapshot
- `MatchesBinarySnapshot(byte[] value, string snapshotName)` - Binary snapshot
- Environment variable: `UPDATE_SNAPSHOTS=1` to update baselines
---
### 5. PostgreSQL Fixture
Testcontainers-based PostgreSQL 16 for integration tests:
```csharp
using StellaOps.TestKit.Fixtures;
using Xunit;
public class DatabaseTests : IClassFixture<PostgresFixture>
{
private readonly PostgresFixture _fixture;
public DatabaseTests(PostgresFixture fixture)
{
_fixture = fixture;
}
[Fact, Trait("Category", TestCategories.Integration)]
public async Task Test_DatabaseOperations()
{
// Use _fixture.ConnectionString to connect
using var connection = new NpgsqlConnection(_fixture.ConnectionString);
await connection.OpenAsync();
// Run migrations
await _fixture.RunMigrationsAsync(connection);
// Test database operations
var result = await connection.QueryAsync("SELECT version()");
Assert.NotEmpty(result);
}
}
```
**API Reference:**
- `PostgresFixture` - xUnit class fixture
- `ConnectionString` - PostgreSQL connection string
- `RunMigrationsAsync(DbConnection)` - Apply migrations
- Requires Docker running locally
---
### 6. Valkey Fixture
Redis-compatible caching for integration tests:
```csharp
using StellaOps.TestKit.Fixtures;
public class CacheTests : IClassFixture<ValkeyFixture>
{
private readonly ValkeyFixture _fixture;
[Fact, Trait("Category", TestCategories.Integration)]
public async Task Test_CachingLogic()
{
var connection = await ConnectionMultiplexer.Connect(_fixture.ConnectionString);
var db = connection.GetDatabase();
await db.StringSetAsync("key", "value");
var result = await db.StringGetAsync("key");
Assert.Equal("value", result.ToString());
}
}
```
**API Reference:**
- `ValkeyFixture` - xUnit class fixture
- `ConnectionString` - Redis connection string (host:port)
- `Host`, `Port` - Connection details
- Uses `redis:7-alpine` image (Valkey-compatible)
---
### 7. HTTP Fixture Server
In-memory API contract testing:
```csharp
using StellaOps.TestKit.Fixtures;
public class ApiTests : IClassFixture<HttpFixtureServer<Program>>
{
private readonly HttpClient _client;
public ApiTests(HttpFixtureServer<Program> fixture)
{
_client = fixture.CreateClient();
}
[Fact, Trait("Category", TestCategories.Contract)]
public async Task Test_HealthEndpoint()
{
var response = await _client.GetAsync("/health");
response.EnsureSuccessStatusCode();
var body = await response.Content.ReadAsStringAsync();
Assert.Contains("healthy", body);
}
}
```
**HTTP Message Handler Stub (Hermetic Tests):**
```csharp
[Fact]
public async Task Test_ExternalApiCall()
{
var handler = new HttpMessageHandlerStub()
.WhenRequest("https://api.example.com/data", HttpStatusCode.OK, "{\"status\":\"ok\"}");
var httpClient = new HttpClient(handler);
var response = await httpClient.GetAsync("https://api.example.com/data");
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
}
```
**API Reference:**
- `HttpFixtureServer<TProgram>` - WebApplicationFactory wrapper
- `CreateClient()` - Get HttpClient for test server
- `HttpMessageHandlerStub` - Stub external HTTP dependencies
- `WhenRequest(url, statusCode, content)` - Configure stub responses
---
### 8. OpenTelemetry Capture
Trace and span assertion helpers:
```csharp
using StellaOps.TestKit.Observability;
[Fact]
public async Task Test_TracingBehavior()
{
using var capture = new OtelCapture();
// Execute code that emits traces
await MyService.DoWorkAsync();
// Assert traces
capture.AssertHasSpan("MyService.DoWork");
capture.AssertHasTag("user_id", "123");
capture.AssertSpanCount(expectedCount: 3);
// Verify parent-child hierarchy
capture.AssertHierarchy("ParentSpan", "ChildSpan");
}
```
**API Reference:**
- `OtelCapture(string? activitySourceName = null)` - Create capture
- `AssertHasSpan(string spanName)` - Verify span exists
- `AssertHasTag(string tagKey, string expectedValue)` - Verify tag
- `AssertSpanCount(int expectedCount)` - Verify span count
- `AssertHierarchy(string parentSpanName, string childSpanName)` - Verify parent-child
- `CapturedActivities` - Get all captured spans
---
### 9. Test Categories
Standardized trait constants for CI lane filtering:
```csharp
using StellaOps.TestKit;
[Fact, Trait("Category", TestCategories.Unit)]
public void FastUnitTest() { }
[Fact, Trait("Category", TestCategories.Integration)]
public async Task SlowIntegrationTest() { }
[Fact, Trait("Category", TestCategories.Live)]
public async Task RequiresExternalServices() { }
```
**CI Lane Filtering:**
```bash
# Run only unit tests (fast, no dependencies)
dotnet test --filter "Category=Unit"
# Run all tests except Live
dotnet test --filter "Category!=Live"
# Run Integration + Contract tests
dotnet test --filter "Category=Integration|Category=Contract"
```
**Available Categories:**
- `Unit` - Fast, in-memory, no external dependencies
- `Property` - FsCheck/generative testing
- `Snapshot` - Golden master regression
- `Integration` - Testcontainers (PostgreSQL, Valkey)
- `Contract` - API/WebService contract tests
- `Security` - Cryptographic validation
- `Performance` - Benchmarking, load tests
- `Live` - Requires external services (disabled in CI by default)
---
## Best Practices
### 1. Always Use TestCategories
Tag every test with the appropriate category:
```csharp
[Fact, Trait("Category", TestCategories.Unit)]
public void MyUnitTest() { }
```
This enables CI lane filtering and improves test discoverability.
### 2. Prefer Deterministic Primitives
Avoid `DateTime.UtcNow`, `Guid.NewGuid()`, `Random` in tests. Use TestKit alternatives:
```csharp
// ❌ Flaky test (time-dependent)
var expiration = DateTime.UtcNow.AddHours(1);
// ✅ Deterministic test
using var time = new DeterministicTime(DateTime.UtcNow);
var expiration = time.UtcNow.AddHours(1);
```
### 3. Use Snapshot Tests for Complex Outputs
For large JSON outputs (SBOM, VEX, attestations), snapshot testing is more maintainable than manual assertions:
```csharp
// ❌ Brittle manual assertions
Assert.Equal("SPDX-3.0.1", sbom.SpdxVersion);
Assert.Equal(42, sbom.Packages.Count);
// ...hundreds of assertions...
// ✅ Snapshot testing
SnapshotAssert.MatchesSnapshot(sbom, "MySbomSnapshot");
```
### 4. Isolate Integration Tests
Use TestCategories to separate fast unit tests from slow integration tests:
```csharp
[Fact, Trait("Category", TestCategories.Unit)]
public void FastTest() { /* no external dependencies */ }
[Fact, Trait("Category", TestCategories.Integration)]
public async Task SlowTest() { /* uses PostgresFixture */ }
```
In CI, run Unit tests first for fast feedback, then Integration tests in parallel.
### 5. Document Snapshot Baselines
When updating snapshots (`UPDATE_SNAPSHOTS=1`), add a commit message explaining why:
```bash
git commit -m "Update SBOM snapshot: added new package metadata fields"
```
This helps reviewers understand intentional vs. accidental changes.
---
## Troubleshooting
### Snapshot Mismatch
**Error:** `Snapshot 'MySbomSnapshot' does not match expected.`
**Solution:**
1. Review diff manually (check `Snapshots/MySbomSnapshot.json`)
2. If change is intentional: `UPDATE_SNAPSHOTS=1 dotnet test`
3. Commit updated snapshot with explanation
### Testcontainers Failure
**Error:** `Docker daemon not running`
**Solution:**
- Ensure Docker Desktop is running
- Verify `docker ps` works in terminal
- Check Testcontainers logs: `TESTCONTAINERS_DEBUG=1 dotnet test`
### Determinism Failure
**Error:** `CanonicalJsonAssert.IsDeterministic failed: byte arrays differ`
**Root Cause:** Non-deterministic data in serialization (e.g., random GUIDs, timestamps)
**Solution:**
- Use `DeterministicTime` and `DeterministicRandom`
- Ensure all data is seeded or mocked
- Check for `DateTime.UtcNow` or `Guid.NewGuid()` calls
---
## Migration Guide (Existing Tests)
### Step 1: Add TestKit Reference
```xml
<ProjectReference Include="../../../__Libraries/StellaOps.TestKit/StellaOps.TestKit.csproj" />
```
### Step 2: Replace Time-Dependent Code
**Before:**
```csharp
var now = DateTime.UtcNow;
```
**After:**
```csharp
using var time = new DeterministicTime(DateTime.UtcNow);
var now = time.UtcNow;
```
### Step 3: Add Test Categories
```csharp
[Fact] // Old
[Fact, Trait("Category", TestCategories.Unit)] // New
```
### Step 4: Adopt Snapshot Testing (Optional)
For complex JSON assertions, replace manual checks with snapshots:
```csharp
// Old
Assert.Equal(expected.SpdxVersion, actual.SpdxVersion);
// ...
// New
SnapshotAssert.MatchesSnapshot(actual, "TestName");
```
---
## CI Integration
### Example `.gitea/workflows/test.yml`
```yaml
name: Test Suite
on: [push, pull_request]
jobs:
unit:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- uses: actions/setup-dotnet@v4
with:
dotnet-version: '10.0.x'
- name: Unit Tests (Fast)
run: dotnet test --filter "Category=Unit" --logger "trx;LogFileName=unit-results.trx"
- name: Upload Results
uses: actions/upload-artifact@v4
with:
name: unit-test-results
path: '**/unit-results.trx'
integration:
runs-on: ubuntu-latest
services:
docker:
image: docker:dind
steps:
- uses: actions/checkout@v4
- name: Integration Tests
run: dotnet test --filter "Category=Integration" --logger "trx;LogFileName=integration-results.trx"
```
---
## Support and Feedback
- **Issues:** Report bugs in sprint tracking files under `docs/implplan/`
- **Questions:** Contact Platform Guild
- **Documentation:** `src/__Libraries/StellaOps.TestKit/README.md`
---
## Changelog
### v1.0 (2025-12-23)
- Initial release: DeterministicTime, DeterministicRandom
- CanonicalJsonAssert, SnapshotAssert
- PostgresFixture, ValkeyFixture, HttpFixtureServer
- OtelCapture for OpenTelemetry traces
- TestCategories for CI lane filtering
- Pilot adoption in Scanner.Core.Tests

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# WebService Test Discipline
This document defines the testing discipline for StellaOps WebService projects. All web services must follow these patterns to ensure consistent test coverage, contract stability, telemetry verification, and security hardening.
## Overview
WebService tests use `WebServiceFixture<TProgram>` from `StellaOps.TestKit` and `WebApplicationFactory<TProgram>` from `Microsoft.AspNetCore.Mvc.Testing`. Tests are organized into four categories:
1. **Contract Tests** — OpenAPI schema stability
2. **OTel Trace Tests** — Telemetry verification
3. **Negative Tests** — Error handling validation
4. **Auth/AuthZ Tests** — Security boundary enforcement
---
## 1. Test Infrastructure
### WebServiceFixture Pattern
```csharp
using StellaOps.TestKit.Fixtures;
public class ScannerWebServiceTests : WebServiceTestBase<ScannerProgram>
{
public ScannerWebServiceTests() : base(new WebServiceFixture<ScannerProgram>())
{
}
// Tests inherit shared fixture setup
}
```
### Fixture Configuration
Each web service should have a dedicated fixture class that configures test-specific settings:
```csharp
public sealed class ScannerTestFixture : WebServiceFixture<ScannerProgram>
{
protected override void ConfigureTestServices(IServiceCollection services)
{
// Replace external dependencies with test doubles
services.AddSingleton<IStorageClient, InMemoryStorageClient>();
services.AddSingleton<IQueueClient, InMemoryQueueClient>();
}
protected override void ConfigureTestConfiguration(IDictionary<string, string?> config)
{
config["scanner:storage:driver"] = "inmemory";
config["scanner:events:enabled"] = "false";
}
}
```
---
## 2. Contract Tests
Contract tests ensure OpenAPI schema stability and detect breaking changes.
### Pattern
```csharp
[Fact]
[Trait("Lane", "Contract")]
public async Task OpenApi_Schema_MatchesSnapshot()
{
// Arrange
using var client = Fixture.CreateClient();
// Act
var response = await client.GetAsync("/swagger/v1/swagger.json");
var schema = await response.Content.ReadAsStringAsync();
// Assert
await ContractTestHelper.AssertSchemaMatchesSnapshot(schema, "scanner-v1");
}
[Fact]
[Trait("Lane", "Contract")]
public async Task Api_Response_MatchesContract()
{
// Arrange
using var client = Fixture.CreateClient();
var request = new ScanRequest { /* test data */ };
// Act
var response = await client.PostAsJsonAsync("/api/v1/scans", request);
var result = await response.Content.ReadFromJsonAsync<ScanResponse>();
// Assert
ContractTestHelper.AssertResponseMatchesSchema(result, "ScanResponse");
}
```
### Snapshot Management
- Snapshots stored in `Snapshots/` directory relative to test project
- Schema format: `<service>-<version>.json`
- Update snapshots intentionally when breaking changes are approved
---
## 3. OTel Trace Tests
OTel tests verify that telemetry spans are emitted correctly with required tags.
### Pattern
```csharp
[Fact]
[Trait("Lane", "Integration")]
public async Task ScanEndpoint_EmitsOtelTrace()
{
// Arrange
using var otelCapture = Fixture.CaptureOtelTraces();
using var client = Fixture.CreateClient();
var request = new ScanRequest { ImageRef = "nginx:1.25" };
// Act
await client.PostAsJsonAsync("/api/v1/scans", request);
// Assert
otelCapture.AssertHasSpan("scanner.scan");
otelCapture.AssertHasTag("scanner.scan", "scan.image_ref", "nginx:1.25");
otelCapture.AssertHasTag("scanner.scan", "tenant.id", ExpectedTenantId);
}
```
### Required Tags
All WebService endpoints must emit these tags:
| Tag | Description | Example |
|-----|-------------|---------|
| `tenant.id` | Tenant identifier | `tenant-a` |
| `request.id` | Correlation ID | `req-abc123` |
| `http.route` | Endpoint route | `/api/v1/scans` |
| `http.status_code` | Response code | `200` |
Service-specific tags are documented in each module's architecture doc.
---
## 4. Negative Tests
Negative tests verify proper error handling for invalid inputs.
### Pattern
```csharp
[Fact]
[Trait("Lane", "Security")]
public async Task MalformedContentType_Returns415()
{
// Arrange
using var client = Fixture.CreateClient();
var content = new StringContent("{}", Encoding.UTF8, "text/plain");
// Act
var response = await client.PostAsync("/api/v1/scans", content);
// Assert
Assert.Equal(HttpStatusCode.UnsupportedMediaType, response.StatusCode);
}
[Fact]
[Trait("Lane", "Security")]
public async Task OversizedPayload_Returns413()
{
// Arrange
using var client = Fixture.CreateClient();
var payload = new string('x', 10_000_001); // Exceeds 10MB limit
var content = new StringContent(payload, Encoding.UTF8, "application/json");
// Act
var response = await client.PostAsync("/api/v1/scans", content);
// Assert
Assert.Equal(HttpStatusCode.RequestEntityTooLarge, response.StatusCode);
}
[Fact]
[Trait("Lane", "Unit")]
public async Task MethodMismatch_Returns405()
{
// Arrange
using var client = Fixture.CreateClient();
// Act (POST endpoint, but using GET)
var response = await client.GetAsync("/api/v1/scans");
// Assert
Assert.Equal(HttpStatusCode.MethodNotAllowed, response.StatusCode);
}
```
### Required Coverage
| Negative Case | Expected Status | Test Trait |
|--------------|-----------------|------------|
| Malformed content type | 415 | Security |
| Oversized payload | 413 | Security |
| Method mismatch | 405 | Unit |
| Missing required field | 400 | Unit |
| Invalid field value | 400 | Unit |
| Unknown route | 404 | Unit |
---
## 5. Auth/AuthZ Tests
Auth tests verify security boundaries and tenant isolation.
### Pattern
```csharp
[Fact]
[Trait("Lane", "Security")]
public async Task AnonymousRequest_Returns401()
{
// Arrange
using var client = Fixture.CreateClient(); // No auth
// Act
var response = await client.GetAsync("/api/v1/scans");
// Assert
Assert.Equal(HttpStatusCode.Unauthorized, response.StatusCode);
}
[Fact]
[Trait("Lane", "Security")]
public async Task ExpiredToken_Returns401()
{
// Arrange
using var client = Fixture.CreateAuthenticatedClient(tokenExpired: true);
// Act
var response = await client.GetAsync("/api/v1/scans");
// Assert
Assert.Equal(HttpStatusCode.Unauthorized, response.StatusCode);
}
[Fact]
[Trait("Lane", "Security")]
public async Task TenantIsolation_CannotAccessOtherTenantData()
{
// Arrange
using var tenantAClient = Fixture.CreateTenantClient("tenant-a");
using var tenantBClient = Fixture.CreateTenantClient("tenant-b");
// Create scan as tenant A
var scanResponse = await tenantAClient.PostAsJsonAsync("/api/v1/scans", new ScanRequest { /* */ });
var scan = await scanResponse.Content.ReadFromJsonAsync<ScanResponse>();
// Act: Try to access as tenant B
var response = await tenantBClient.GetAsync($"/api/v1/scans/{scan!.Id}");
// Assert
Assert.Equal(HttpStatusCode.NotFound, response.StatusCode); // Tenant isolation
}
```
### Required Coverage
| Auth Case | Expected Behavior | Test Trait |
|-----------|-------------------|------------|
| No token | 401 Unauthorized | Security |
| Expired token | 401 Unauthorized | Security |
| Invalid signature | 401 Unauthorized | Security |
| Wrong audience | 401 Unauthorized | Security |
| Missing scope | 403 Forbidden | Security |
| Cross-tenant access | 404 Not Found or 403 Forbidden | Security |
---
## 6. Test Organization
### Directory Structure
```
src/<Module>/__Tests/StellaOps.<Module>.WebService.Tests/
├── StellaOps.<Module>.WebService.Tests.csproj
├── <Module>ApplicationFactory.cs # WebApplicationFactory implementation
├── <Module>TestFixture.cs # Shared test fixture
├── Contract/
│ └── OpenApiSchemaTests.cs
├── Telemetry/
│ └── OtelTraceTests.cs
├── Negative/
│ ├── ContentTypeTests.cs
│ ├── PayloadLimitTests.cs
│ └── MethodMismatchTests.cs
├── Auth/
│ ├── AuthenticationTests.cs
│ ├── AuthorizationTests.cs
│ └── TenantIsolationTests.cs
└── Snapshots/
└── <module>-v1.json # OpenAPI schema snapshot
```
### Test Trait Assignment
| Category | Trait | CI Lane | PR-Gating |
|----------|-------|---------|-----------|
| Contract | `[Trait("Lane", "Contract")]` | Contract | Yes |
| OTel | `[Trait("Lane", "Integration")]` | Integration | Yes |
| Negative (security) | `[Trait("Lane", "Security")]` | Security | Yes |
| Negative (validation) | `[Trait("Lane", "Unit")]` | Unit | Yes |
| Auth/AuthZ | `[Trait("Lane", "Security")]` | Security | Yes |
---
## 7. CI Integration
WebService tests run in the appropriate CI lanes:
```yaml
# .gitea/workflows/test-lanes.yml
jobs:
contract-tests:
steps:
- run: ./scripts/test-lane.sh Contract
security-tests:
steps:
- run: ./scripts/test-lane.sh Security
integration-tests:
steps:
- run: ./scripts/test-lane.sh Integration
```
All lanes are PR-gating. Failed tests block merge.
---
## 8. Rollout Checklist
When adding WebService tests to a new module:
- [ ] Create `<Module>ApplicationFactory` extending `WebApplicationFactory<TProgram>`
- [ ] Create `<Module>TestFixture` extending `WebServiceFixture<TProgram>` if needed
- [ ] Add contract tests with OpenAPI schema snapshot
- [ ] Add OTel trace tests for key endpoints
- [ ] Add negative tests (content type, payload, method)
- [ ] Add auth/authz tests (anonymous, expired, tenant isolation)
- [ ] Verify all tests have appropriate `[Trait("Lane", "...")]` attributes
- [ ] Run locally: `dotnet test --filter "Lane=Contract|Lane=Security|Lane=Integration"`
- [ ] Verify CI passes on PR
---
## References
- [WebServiceFixture Implementation](../../src/__Libraries/StellaOps.TestKit/Fixtures/WebServiceFixture.cs)
- [ContractTestHelper Implementation](../../src/__Libraries/StellaOps.TestKit/Fixtures/ContractTestHelper.cs)
- [WebServiceTestBase Implementation](../../src/__Libraries/StellaOps.TestKit/Templates/WebServiceTestBase.cs)
- [Test Lanes CI Workflow](../../.gitea/workflows/test-lanes.yml)
- [CI Lane Filters Documentation](./ci-lane-filters.md)
---
*Last updated: 2025-06-30 · Sprint 5100.0007.0006*

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# WebService Test Rollout Plan
This document defines the rollout plan for applying the WebService test discipline to all StellaOps web services.
## Overview
Following the pilot implementation on Scanner.WebService (Sprint 5100.0007.0006), this plan defines the order and timeline for rolling out comprehensive WebService tests to all remaining services.
---
## Service Inventory
| Service | Module Path | Priority | Status | Sprint |
|---------|-------------|----------|--------|--------|
| Scanner.WebService | `src/Scanner/StellaOps.Scanner.WebService` | P0 (Pilot) | ✅ Existing tests | 5100.0007.0006 |
| Concelier.WebService | `src/Concelier/StellaOps.Concelier.WebService` | P1 | Pending | TBD |
| Excititor.WebService | `src/Excititor/StellaOps.Excititor.WebService` | P1 | Pending | TBD |
| Policy.Engine | `src/Policy/StellaOps.Policy.Engine` | P1 | Pending | TBD |
| Scheduler.WebService | `src/Scheduler/StellaOps.Scheduler.WebService` | P2 | Pending | TBD |
| Notify.WebService | `src/Notify/StellaOps.Notify.WebService` | P2 | Pending | TBD |
| Authority | `src/Authority/StellaOps.Authority` | P2 | Pending | TBD |
| Signer | `src/Signer/StellaOps.Signer` | P3 | Pending | TBD |
| Attestor | `src/Attestor/StellaOps.Attestor` | P3 | Pending | TBD |
| ExportCenter.WebService | `src/ExportCenter/StellaOps.ExportCenter.WebService` | P3 | Pending | TBD |
| Registry.TokenService | `src/Registry/StellaOps.Registry.TokenService` | P3 | Pending | TBD |
| VulnExplorer.Api | `src/VulnExplorer/StellaOps.VulnExplorer.Api` | P3 | Pending | TBD |
| Graph.Api | `src/Graph/StellaOps.Graph.Api` | P3 | Pending | TBD |
| Orchestrator | `src/Orchestrator/StellaOps.Orchestrator` | P4 | Pending | TBD |
---
## Rollout Phases
### Phase 1: Core Data Flow Services (P1)
**Timeline**: Sprint 5100.0008.* (Q1 2026)
**Services**:
- **Concelier.WebService** — Primary advisory ingestion service
- **Excititor.WebService** — Enrichment and correlation service
- **Policy.Engine** — Policy evaluation service
**Rationale**: These services form the core data flow pipeline. They have high traffic, complex contracts, and critical security boundaries.
**Test Requirements**:
| Test Type | Concelier | Excititor | Policy |
|-----------|-----------|-----------|--------|
| Contract (OpenAPI) | Required | Required | Required |
| OTel traces | Required | Required | Required |
| Negative tests | Required | Required | Required |
| Auth/AuthZ | Required | Required | Required |
| Tenant isolation | Required | Required | Required |
---
### Phase 2: Scheduling & Notification Services (P2)
**Timeline**: Sprint 5100.0009.* (Q2 2026)
**Services**:
- **Scheduler.WebService** — Job scheduling and orchestration
- **Notify.WebService** — Notification dispatch
- **Authority** — Authentication/authorization service
**Rationale**: These services support operational workflows. Authority is critical for security testing of all other services.
**Test Requirements**:
| Test Type | Scheduler | Notify | Authority |
|-----------|-----------|--------|-----------|
| Contract (OpenAPI) | Required | Required | Required |
| OTel traces | Required | Required | Required |
| Negative tests | Required | Required | Required |
| Auth/AuthZ | N/A (system) | Required | N/A (self) |
| Token issuance | N/A | N/A | Required |
---
### Phase 3: Signing & Attestation Services (P3)
**Timeline**: Sprint 5100.0010.* (Q2-Q3 2026)
**Services**:
- **Signer** — Cryptographic signing service
- **Attestor** — Attestation generation/verification
- **ExportCenter.WebService** — Report export service
- **Registry.TokenService** — OCI registry token service
- **VulnExplorer.Api** — Vulnerability exploration API
- **Graph.Api** — Graph query API
**Rationale**: These services have specialized contracts and lower traffic. They require careful security testing due to cryptographic operations.
**Test Requirements**:
| Test Type | Signer | Attestor | Others |
|-----------|--------|----------|--------|
| Contract (OpenAPI) | Required | Required | Required |
| OTel traces | Required | Required | Required |
| Negative tests | Required | Required | Required |
| Crypto validation | Required | Required | N/A |
---
### Phase 4: Orchestration Services (P4)
**Timeline**: Sprint 5100.0011.* (Q3 2026)
**Services**:
- **Orchestrator** — Workflow orchestration
**Rationale**: Orchestrator is a meta-service that coordinates other services. Testing depends on other services being testable first.
---
## Test Coverage Targets
### Minimum Requirements (PR-Gating)
| Test Category | Min Coverage | Lane |
|---------------|-------------|------|
| Contract (OpenAPI) | 100% of public endpoints | Contract |
| Negative (4xx errors) | 100% of error codes | Unit/Security |
| Auth/AuthZ | 100% of protected endpoints | Security |
### Recommended (Quality Gate)
| Test Category | Target Coverage | Lane |
|---------------|-----------------|------|
| OTel traces | 80% of endpoints | Integration |
| Tenant isolation | 100% of data endpoints | Security |
| Performance baselines | Key endpoints | Performance |
---
## Implementation Checklist per Service
```markdown
## <Service Name> WebService Tests
### Setup
- [ ] Create `<Service>ApplicationFactory` (WebApplicationFactory)
- [ ] Create `<Service>TestFixture` if custom setup needed
- [ ] Add test project: `StellaOps.<Service>.WebService.Tests`
- [ ] Add reference to `StellaOps.TestKit`
### Contract Tests
- [ ] Extract OpenAPI schema snapshot (`Snapshots/<service>-v1.json`)
- [ ] Add schema stability test
- [ ] Add response contract tests for key endpoints
### OTel Tests
- [ ] Add trace assertion tests for key endpoints
- [ ] Verify required tags (tenant.id, request.id, http.route)
### Negative Tests
- [ ] Malformed content type → 415
- [ ] Oversized payload → 413
- [ ] Method mismatch → 405
- [ ] Missing required field → 400
- [ ] Invalid field value → 400
### Auth Tests
- [ ] Anonymous request → 401
- [ ] Expired token → 401
- [ ] Missing scope → 403
- [ ] Cross-tenant access → 404/403
### CI Integration
- [ ] Verify traits assigned: Contract, Security, Integration, Unit
- [ ] PR passes all lanes
- [ ] Add to TEST_COVERAGE_MATRIX.md
```
---
## Sprint Planning Template
When creating sprints for new service tests:
```markdown
# Sprint 5100.XXXX.YYYY - <Service> WebService Tests
## Topic & Scope
- Apply WebService test discipline to <Service>.WebService
- Contract tests, OTel traces, negative tests, auth tests
- **Working directory:** `src/<Module>/__Tests/StellaOps.<Module>.WebService.Tests`
## Delivery Tracker
| # | Task ID | Status | Task Definition |
|---|---------|--------|-----------------|
| 1 | WEBSVC-XXXX-001 | TODO | Create <Service>ApplicationFactory |
| 2 | WEBSVC-XXXX-002 | TODO | Add OpenAPI contract tests |
| 3 | WEBSVC-XXXX-003 | TODO | Add OTel trace tests |
| 4 | WEBSVC-XXXX-004 | TODO | Add negative tests (4xx) |
| 5 | WEBSVC-XXXX-005 | TODO | Add auth/authz tests |
| 6 | WEBSVC-XXXX-006 | TODO | Update TEST_COVERAGE_MATRIX.md |
```
---
## Success Metrics
| Metric | Target | Measurement |
|--------|--------|-------------|
| Services with contract tests | 100% | Count of services with OpenAPI snapshot tests |
| Services with auth tests | 100% | Count of services with auth boundary tests |
| Contract test failures in production | 0 | Breaking changes detected in staging |
| Security test coverage | 100% of auth endpoints | Audit of protected routes vs tests |
---
## Risks & Mitigations
| Risk | Impact | Mitigation |
|------|--------|------------|
| Services lack OpenAPI spec | Cannot do contract testing | Generate spec via Swashbuckle/NSwag |
| OTel not configured in service | Cannot verify traces | Add OTel middleware as prerequisite |
| Auth disabled in test mode | False confidence | Test with auth enabled, use test tokens |
| Test fixtures are slow | CI timeout | Share fixtures, use in-memory providers |
---
## References
- [WebService Test Discipline](./webservice-test-discipline.md)
- [Test Coverage Matrix](./TEST_COVERAGE_MATRIX.md)
- [CI Lane Filters](./ci-lane-filters.md)
- [Testing Strategy Models](./testing-strategy-models.md)
---
*Last updated: 2025-06-30 · Sprint 5100.0007.0006*