refactor: extract NATS.Server.JetStream.Tests project
Move 225 JetStream-related test files from NATS.Server.Tests into a dedicated NATS.Server.JetStream.Tests project. This includes root-level JetStream*.cs files, storage test files (FileStore, MemStore, StreamStoreContract), and the full JetStream/ subfolder tree (Api, Cluster, Consumers, MirrorSource, Snapshots, Storage, Streams). Updated all namespaces, added InternalsVisibleTo, registered in the solution file, and added the JETSTREAM_INTEGRATION_MATRIX define.
This commit is contained in:
Joseph Doherty
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using NATS.Server.JetStream.MirrorSource;
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using NATS.Server.JetStream.Models;
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using NATS.Server.JetStream.Storage;
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using Shouldly;
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namespace NATS.Server.JetStream.Tests.JetStream.Streams;
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// Go reference: server/stream.go:2739-2743 (mirrorInfo building StreamSourceInfo)
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// Go reference: server/stream.go:2687-2736 (sourcesInfo / StreamSourceInfo)
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public class SourceMirrorInfoTests
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{
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// -------------------------------------------------------------------------
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// MirrorInfoResponse tests
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// -------------------------------------------------------------------------
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[Fact]
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// Go reference: server/stream.go:2739 — StreamSourceInfo.Name field
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public async Task MirrorInfoResponse_has_correct_name()
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{
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var target = new MemStore();
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await using var mirror = new MirrorCoordinator(target);
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var info = mirror.GetMirrorInfo("MIRROR");
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info.Name.ShouldBe("MIRROR");
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}
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[Fact]
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// Go reference: server/stream.go:2740 — StreamSourceInfo.Lag field from mirrorInfo
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public async Task MirrorInfoResponse_shows_lag()
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{
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var target = new MemStore();
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await using var mirror = new MirrorCoordinator(target);
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// Sync up to origin seq 5, origin is at 10 → lag = 5 via GetHealthReport
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await mirror.OnOriginAppendAsync(MakeMessage(5, "a", "data"), default);
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var report = mirror.GetHealthReport(originLastSeq: 10);
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report.Lag.ShouldBe(5UL);
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// GetMirrorInfo calls GetHealthReport() without originLastSeq, so Lag comes from
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// the internal Lag property (0 after in-process sync). Validate the field is wired up.
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var info = mirror.GetMirrorInfo("LAGGED");
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info.Lag.ShouldBe(mirror.Lag);
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info.Name.ShouldBe("LAGGED");
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}
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[Fact]
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// Go reference: server/stream.go:2741 — Active field, -1 when never synced
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public async Task MirrorInfoResponse_active_is_negative_when_never_synced()
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{
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var target = new MemStore();
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await using var mirror = new MirrorCoordinator(target);
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var info = mirror.GetMirrorInfo("FRESH");
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info.Active.ShouldBe(-1L);
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}
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[Fact]
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// Go reference: server/stream.go:2741 — Active = ms since last sync
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public async Task MirrorInfoResponse_active_shows_ms_since_sync()
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{
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var target = new MemStore();
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await using var mirror = new MirrorCoordinator(target);
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await mirror.OnOriginAppendAsync(MakeMessage(1, "a", "payload"), default);
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var info = mirror.GetMirrorInfo("SYNCED");
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info.Active.ShouldBeGreaterThanOrEqualTo(0L);
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}
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[Fact]
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// Go reference: server/stream.go:2742 — StreamSourceInfo.Error field
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public async Task MirrorInfoResponse_includes_error()
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{
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var target = new MemStore();
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await using var mirror = new MirrorCoordinator(target);
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mirror.SetError("consumer not found");
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var info = mirror.GetMirrorInfo("BROKEN");
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info.Error.ShouldBe("consumer not found");
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}
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// -------------------------------------------------------------------------
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// SourceInfoResponse tests
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// -------------------------------------------------------------------------
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[Fact]
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// Go reference: server/stream.go:2698 — StreamSourceInfo.Name from sourceInfo
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public async Task SourceInfoResponse_has_correct_name()
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{
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var target = new MemStore();
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await using var source = new SourceCoordinator(target, new StreamSourceConfig { Name = "MY_SOURCE" });
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var info = source.GetSourceInfo();
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info.Name.ShouldBe("MY_SOURCE");
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}
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[Fact]
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// Go reference: server/stream.go:2700 — StreamSourceInfo.FilterSubject
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public async Task SourceInfoResponse_shows_filter_subject()
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{
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var target = new MemStore();
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await using var source = new SourceCoordinator(target, new StreamSourceConfig
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{
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Name = "SRC",
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FilterSubject = "orders.*",
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});
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var info = source.GetSourceInfo();
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info.FilterSubject.ShouldBe("orders.*");
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}
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[Fact]
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// Go reference: server/stream.go:2701 — Active field, -1 when never synced
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public async Task SourceInfoResponse_active_is_negative_when_never_synced()
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{
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var target = new MemStore();
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await using var source = new SourceCoordinator(target, new StreamSourceConfig { Name = "SRC" });
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var info = source.GetSourceInfo();
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info.Active.ShouldBe(-1L);
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}
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[Fact]
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// Go reference: server/stream.go:2701 — Active = ms since last sync
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public async Task SourceInfoResponse_active_shows_ms_since_sync()
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{
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var target = new MemStore();
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await using var source = new SourceCoordinator(target, new StreamSourceConfig { Name = "SRC" });
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await source.OnOriginAppendAsync(MakeMessage(1, "orders.created", "payload"), default);
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var info = source.GetSourceInfo();
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info.Active.ShouldBeGreaterThanOrEqualTo(0L);
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}
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[Fact]
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// Go reference: server/stream.go:2699 — StreamSourceInfo.Lag from sourceInfo
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public async Task SourceInfoResponse_lag_reflects_health_report()
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{
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var target = new MemStore();
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await using var source = new SourceCoordinator(target, new StreamSourceConfig { Name = "SRC" });
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// Apply 3 messages directly (no background loop, no timing dependency).
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// Origin has 5 messages total; coordinator sees up to seq 3, so lag = 2.
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await source.OnOriginAppendAsync(MakeMessage(1, "a", "1"), default);
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await source.OnOriginAppendAsync(MakeMessage(2, "b", "2"), default);
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await source.OnOriginAppendAsync(MakeMessage(3, "c", "3"), default);
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// Simulate the lag that GetHealthReport would compute against a known origin end.
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var healthReport = source.GetHealthReport(originLastSeq: 5);
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var info = source.GetSourceInfo();
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// GetSourceInfo calls GetHealthReport() without originLastSeq, so both should
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// reflect the same internal Lag value (0 after in-process sync).
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info.Lag.ShouldBe(source.Lag);
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// Verify against the explicit-originLastSeq health report for the expected lag value.
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healthReport.Lag.ShouldBe(2UL);
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}
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// -------------------------------------------------------------------------
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// Helper
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// -------------------------------------------------------------------------
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private static StoredMessage MakeMessage(ulong seq, string subject, string payload) => new()
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{
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Sequence = seq,
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Subject = subject,
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Payload = System.Text.Encoding.UTF8.GetBytes(payload),
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TimestampUtc = DateTime.UtcNow,
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};
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}
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