29 lines
3.0 KiB
Markdown
29 lines
3.0 KiB
Markdown
# Testcontainers Integration (.NET xUnit)
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## Module
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__Tests
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## Status
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IMPLEMENTED
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## Description
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Testcontainers used for Postgres integration fixtures, router chaos testing, and OCI registry testing with multiple container types.
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## Implementation Details
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- **PostgreSQL Integration Fixture**: `src/__Tests/__Libraries/StellaOps.Infrastructure.Postgres.Testing/PostgresIntegrationFixture.cs` -- Testcontainers-based PostgreSQL fixture that spins up an ephemeral Postgres container for integration tests; manages connection strings, schema migrations, and container lifecycle.
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- **Migration Test Attribute**: `src/__Tests/__Libraries/StellaOps.Infrastructure.Postgres.Testing/MigrationTestAttribute.cs` -- xUnit attribute that marks tests requiring a database container, ensuring proper fixture setup and teardown.
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- **OCI Distribution Registry Container**: `src/__Tests/__Libraries/StellaOps.Infrastructure.Registry.Testing/DistributionRegistryContainer.cs` -- Testcontainers wrapper for the Docker Distribution (registry:2) container used in OCI push/pull integration tests.
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- **Zot Registry Container**: `src/__Tests/__Libraries/StellaOps.Infrastructure.Registry.Testing/ZotRegistryContainer.cs` -- Testcontainers wrapper for the Zot OCI registry, testing compatibility with alternative registry implementations.
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- **Harbor Registry Container**: `src/__Tests/__Libraries/StellaOps.Infrastructure.Registry.Testing/HarborRegistryContainer.cs` -- Testcontainers wrapper for Harbor registry, testing enterprise registry features (replication, scanning, RBAC).
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- **Schema Evolution Test Base**: `src/__Tests/__Libraries/StellaOps.Testing.SchemaEvolution/PostgresSchemaEvolutionTestBase.cs` -- abstract test base that uses Testcontainers PostgreSQL for running schema migration forward/backward compatibility tests.
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- **Network Isolated Test Base**: `src/__Tests/__Libraries/StellaOps.Testing.AirGap/NetworkIsolatedTestBase.cs` -- Testcontainers-based test base that creates network-isolated containers for air-gap scenario testing.
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## E2E Test Plan
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- [ ] Start a `PostgresIntegrationFixture`, run a migration, insert test data, query it back, and verify the container is properly cleaned up after the test completes
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- [ ] Start a `DistributionRegistryContainer`, push an OCI image, pull it back, and verify the image digest matches
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- [ ] Start a `ZotRegistryContainer`, push an OCI artifact, and verify Zot-specific API compatibility (catalog, tags list)
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- [ ] Start a `HarborRegistryContainer`, push an image, and verify Harbor-specific endpoints (projects, repositories) are accessible
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- [ ] Run a `PostgresSchemaEvolutionTestBase` subclass, apply migrations forward and backward, and verify the Testcontainers Postgres instance is properly provisioned and torn down
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- [ ] Run two Testcontainers-based tests in parallel (e.g., Postgres + OCI registry) and verify no port conflicts or container name collisions occur
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- [ ] Verify `NetworkIsolatedTestBase` creates a container with no external network access by attempting an outbound HTTP request and confirming it fails
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