Files
git.stella-ops.org/src/Findings/StellaOps.Findings.Ledger.Tests/Observability/LedgerTimelineTests.cs
2026-01-06 19:07:48 +02:00

126 lines
3.9 KiB
C#

using System.Diagnostics;
using System.Text.Json.Nodes;
using FluentAssertions;
using StellaOps.Findings.Ledger.Domain;
using StellaOps.Findings.Ledger.Observability;
using StellaOps.Findings.Ledger.Services.Incident;
using Xunit;
namespace StellaOps.Findings.Ledger.Tests.Observability;
public class LedgerTimelineTests
{
[Fact]
public void EmitLedgerAppended_writes_structured_log_with_event_id()
{
var logger = new TestLogger<LedgerTimelineTests>();
using var activity = new Activity("test").Start();
var record = CreateRecord();
LedgerTimeline.EmitLedgerAppended(logger, record, "evidence-123");
logger.Entries.Should().HaveCount(1);
var entry = logger.Entries.First();
entry.EventId.Name.Should().Be("ledger.event.appended");
entry.EventId.Id.Should().Be(6101);
var state = AsDictionary(entry.State);
state["Tenant"].Should().Be(record.TenantId);
state["EvidenceRef"].Should().Be("evidence-123");
}
[Fact]
public void EmitProjectionUpdated_writes_structured_log_with_status()
{
var logger = new TestLogger<LedgerTimelineTests>();
using var activity = new Activity("test").Start();
var record = CreateRecord();
LedgerTimeline.EmitProjectionUpdated(logger, record, "affected");
var entry = logger.Entries.Single();
entry.EventId.Name.Should().Be("ledger.projection.updated");
entry.EventId.Id.Should().Be(6201);
var state = AsDictionary(entry.State);
state["Status"].Should().Be("affected");
}
[Fact]
public void EmitIncidentModeChanged_writes_structured_log()
{
var logger = new TestLogger<LedgerTimelineTests>();
var snapshot = new LedgerIncidentSnapshot(
IsActive: true,
ActivationId: "act-123",
Actor: "actor-1",
Reason: "reason",
TenantId: "tenant-a",
ChangedAt: DateTimeOffset.UtcNow,
ExpiresAt: DateTimeOffset.UtcNow.AddMinutes(10),
RetentionExtensionDays: 30);
LedgerTimeline.EmitIncidentModeChanged(logger, snapshot, wasReactivation: false);
var entry = logger.Entries.Single(e => e.EventId.Id == 6901);
var state = AsDictionary(entry.State);
state["RetentionExtensionDays"].Should().Be(30);
state["ActivationId"].Should().Be("act-123");
}
[Fact]
public void EmitIncidentLagTrace_writes_structured_log()
{
var logger = new TestLogger<LedgerTimelineTests>();
var sample = new ProjectionLagSample(
"tenant-a",
Guid.NewGuid(),
10,
"finding.created",
"v1",
12.5,
DateTimeOffset.UtcNow.AddSeconds(-12),
DateTimeOffset.UtcNow);
LedgerTimeline.EmitIncidentLagTrace(logger, sample);
var entry = logger.Entries.Single(e => e.EventId.Id == 6902);
var state = AsDictionary(entry.State);
state["LagSeconds"].Should().Be(12.5);
}
private static LedgerEventRecord CreateRecord()
{
var payload = new JsonObject { ["status"] = "affected" };
return new LedgerEventRecord(
"tenant-a",
Guid.NewGuid(),
1,
Guid.NewGuid(),
"finding.status.changed",
"v1",
"finding-1",
"artifact-1",
null,
"actor-1",
"operator",
DateTimeOffset.UtcNow,
DateTimeOffset.UtcNow,
payload,
"hash-event",
"hash-prev",
"hash-leaf",
"canonical-json");
}
private static IDictionary<string, object?> AsDictionary(object? state)
{
if (state is not IEnumerable<KeyValuePair<string, object?>> pairs)
{
return new Dictionary<string, object?>();
}
return pairs.ToDictionary(k => k.Key, v => v.Value);
}
}