Files
natsdotnet/tests/NATS.Server.JetStream.Tests/JetStream/Cluster/JsClusterAdvancedTests.cs
Joseph Doherty 78b4bc2486 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.
2026-03-12 15:58:10 -04:00

745 lines
30 KiB
C#

// Go ref: TestJetStreamClusterXxx — jetstream_cluster_4_test.go
// Covers: large clusters, many-subject streams, wildcard streams, high-message-count
// publishes, multi-stream mixed replica counts, create/delete/recreate cycles,
// consumer on high-message streams, purge/republish, stream delete cascades,
// node removal and restart lifecycle markers.
using System.Text;
using NATS.Server.JetStream.Api;
using NATS.Server.JetStream.Cluster;
using NATS.Server.JetStream.Models;
using NATS.Server.TestUtilities;
namespace NATS.Server.JetStream.Tests.JetStream.Cluster;
/// <summary>
/// Advanced JetStream cluster tests covering high-load scenarios, large clusters,
/// many-subject streams, wildcard subjects, multi-stream environments, consumer
/// lifecycle edge cases, purge/republish cycles, and node lifecycle markers.
/// Ported from Go jetstream_cluster_4_test.go.
/// </summary>
public class JsClusterAdvancedTests
{
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterLargeClusterR5 — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Large_seven_node_cluster_with_R5_stream_accepts_publishes()
{
// Go ref: TestJetStreamClusterLargeClusterR5 — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(7);
cluster.NodeCount.ShouldBe(7);
var resp = await cluster.CreateStreamAsync("R5LARGE", ["r5.>"], replicas: 5);
resp.Error.ShouldBeNull();
resp.StreamInfo.ShouldNotBeNull();
resp.StreamInfo!.Config.Replicas.ShouldBe(5);
for (var i = 0; i < 20; i++)
{
var ack = await cluster.PublishAsync("r5.event", $"msg-{i}");
ack.Stream.ShouldBe("R5LARGE");
ack.Seq.ShouldBe((ulong)(i + 1));
}
var state = await cluster.GetStreamStateAsync("R5LARGE");
state.Messages.ShouldBe(20UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterStreamWithManySubjects — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Stream_with_twenty_subjects_routes_all_correctly()
{
// Go ref: TestJetStreamClusterStreamWithManySubjects — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
var subjects = Enumerable.Range(1, 20).Select(i => $"topic.{i}").ToArray();
var resp = await cluster.CreateStreamAsync("MANYSUBJ", subjects, replicas: 3);
resp.Error.ShouldBeNull();
resp.StreamInfo!.Config.Subjects.Count.ShouldBe(20);
// Publish to each subject
for (var i = 1; i <= 20; i++)
{
var ack = await cluster.PublishAsync($"topic.{i}", $"payload-{i}");
ack.Stream.ShouldBe("MANYSUBJ");
}
var state = await cluster.GetStreamStateAsync("MANYSUBJ");
state.Messages.ShouldBe(20UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterWildcardSubjectStream — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Stream_with_wildcard_gt_subject_captures_all_sub_subjects()
{
// Go ref: TestJetStreamClusterWildcardSubjectStream — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
var resp = await cluster.CreateStreamAsync("WILDCARD", [">"], replicas: 3);
resp.Error.ShouldBeNull();
await cluster.PublishAsync("any.subject.here", "msg1");
await cluster.PublishAsync("totally.different", "msg2");
await cluster.PublishAsync("nested.deep.path.to.leaf", "msg3");
var state = await cluster.GetStreamStateAsync("WILDCARD");
state.Messages.ShouldBe(3UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterPublish1000MessagesToReplicatedStream — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Publish_1000_messages_to_R3_stream_all_acknowledged()
{
// Go ref: TestJetStreamClusterPublish1000MessagesToReplicatedStream — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("BIG3", ["big.>"], replicas: 3);
var lastSeq = 0UL;
for (var i = 0; i < 1000; i++)
{
var ack = await cluster.PublishAsync("big.event", $"msg-{i}");
ack.Stream.ShouldBe("BIG3");
ack.ErrorCode.ShouldBeNull();
lastSeq = ack.Seq;
}
lastSeq.ShouldBe(1000UL);
var state = await cluster.GetStreamStateAsync("BIG3");
state.Messages.ShouldBe(1000UL);
state.FirstSeq.ShouldBe(1UL);
state.LastSeq.ShouldBe(1000UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterPublish1000MessagesToR1Stream — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Publish_1000_messages_to_R1_stream_all_acknowledged()
{
// Go ref: TestJetStreamClusterPublish1000MessagesToR1Stream — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("BIG1", ["b1.>"], replicas: 1);
for (var i = 0; i < 1000; i++)
{
var ack = await cluster.PublishAsync("b1.event", $"msg-{i}");
ack.Stream.ShouldBe("BIG1");
ack.ErrorCode.ShouldBeNull();
}
var state = await cluster.GetStreamStateAsync("BIG1");
state.Messages.ShouldBe(1000UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterStreamStateAfter1000Messages — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Stream_state_accurate_after_1000_messages()
{
// Go ref: TestJetStreamClusterStreamStateAfter1000Messages — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("STATE1K", ["s1k.>"], replicas: 3);
for (var i = 0; i < 1000; i++)
await cluster.PublishAsync("s1k.data", $"payload-{i}");
var state = await cluster.GetStreamStateAsync("STATE1K");
state.Messages.ShouldBe(1000UL);
state.FirstSeq.ShouldBe(1UL);
state.LastSeq.ShouldBe(1000UL);
state.Bytes.ShouldBeGreaterThan(0UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterMultipleStreamsMixedReplicas — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Ten_streams_with_mixed_replica_counts_all_independent()
{
// Go ref: TestJetStreamClusterMultipleStreamsMixedReplicas — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
for (var i = 0; i < 10; i++)
{
var replicas = (i % 3) + 1;
var resp = await cluster.CreateStreamAsync($"MIX{i}", [$"mix{i}.>"], replicas: replicas);
resp.Error.ShouldBeNull();
}
// Publish to each stream independently
for (var i = 0; i < 10; i++)
{
var ack = await cluster.PublishAsync($"mix{i}.event", $"stream-{i}-msg");
ack.Stream.ShouldBe($"MIX{i}");
}
// Verify each stream has exactly 1 message
for (var i = 0; i < 10; i++)
{
var state = await cluster.GetStreamStateAsync($"MIX{i}");
state.Messages.ShouldBe(1UL);
}
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterCreatePublishDeleteRecreate — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Create_publish_delete_recreate_cycle_three_times()
{
// Go ref: TestJetStreamClusterCreatePublishDeleteRecreate — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
for (var cycle = 0; cycle < 3; cycle++)
{
// Create stream
var create = await cluster.CreateStreamAsync("CYCLE", ["cyc.>"], replicas: 3);
create.Error.ShouldBeNull();
// Publish messages
for (var i = 0; i < 5; i++)
await cluster.PublishAsync("cyc.event", $"cycle-{cycle}-msg-{i}");
var state = await cluster.GetStreamStateAsync("CYCLE");
state.Messages.ShouldBe(5UL);
// Delete stream
var del = await cluster.RequestAsync($"{JetStreamApiSubjects.StreamDelete}CYCLE", "{}");
del.Success.ShouldBeTrue();
}
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterConsumerOn1000MessageStream — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Consumer_on_stream_with_1000_messages_fetches_correctly()
{
// Go ref: TestJetStreamClusterConsumerOn1000MessageStream — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("FETCH1K", ["f1k.>"], replicas: 3);
for (var i = 0; i < 1000; i++)
await cluster.PublishAsync("f1k.event", $"msg-{i}");
await cluster.CreateConsumerAsync("FETCH1K", "fetcher", filterSubject: "f1k.>");
var batch = await cluster.FetchAsync("FETCH1K", "fetcher", 100);
batch.Messages.Count.ShouldBe(100);
batch.Messages[0].Sequence.ShouldBe(1UL);
batch.Messages[99].Sequence.ShouldBe(100UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterAckAllFor1000Messages — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task AckAll_for_1000_messages_reduces_pending_to_zero()
{
// Go ref: TestJetStreamClusterAckAllFor1000Messages — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("ACKBIG", ["ab.>"], replicas: 3);
await cluster.CreateConsumerAsync("ACKBIG", "acker", filterSubject: "ab.>",
ackPolicy: AckPolicy.All);
for (var i = 0; i < 1000; i++)
await cluster.PublishAsync("ab.event", $"msg-{i}");
var batch = await cluster.FetchAsync("ACKBIG", "acker", 1000);
batch.Messages.Count.ShouldBe(1000);
// AckAll up to last sequence
cluster.AckAll("ACKBIG", "acker", 1000);
// After acking all 1000, state remains but pending is cleared
var state = await cluster.GetStreamStateAsync("ACKBIG");
state.Messages.ShouldBe(1000UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterStreamInfoConsistentAfterManyOps — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Stream_info_consistent_after_many_operations()
{
// Go ref: TestJetStreamClusterStreamInfoConsistentAfterManyOps — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("INFOCONSIST", ["ic.>"], replicas: 3);
// Interleave publishes and info requests
for (var i = 0; i < 50; i++)
{
await cluster.PublishAsync("ic.event", $"msg-{i}");
var info = await cluster.GetStreamInfoAsync("INFOCONSIST");
info.StreamInfo.ShouldNotBeNull();
info.StreamInfo!.State.Messages.ShouldBe((ulong)(i + 1));
}
var finalInfo = await cluster.GetStreamInfoAsync("INFOCONSIST");
finalInfo.StreamInfo!.Config.Name.ShouldBe("INFOCONSIST");
finalInfo.StreamInfo.Config.Replicas.ShouldBe(3);
finalInfo.StreamInfo.State.Messages.ShouldBe(50UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterMetaStateAfter10StreamOps — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Meta_state_after_creating_and_deleting_ten_streams()
{
// Go ref: TestJetStreamClusterMetaStateAfter10StreamOps — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
for (var i = 0; i < 10; i++)
await cluster.CreateStreamAsync($"META{i}", [$"meta{i}.>"], replicas: 3);
// Delete half
for (var i = 0; i < 5; i++)
{
var del = await cluster.RequestAsync($"{JetStreamApiSubjects.StreamDelete}META{i}", "{}");
del.Success.ShouldBeTrue();
}
var metaState = cluster.GetMetaState();
metaState.ShouldNotBeNull();
var names = await cluster.RequestAsync(JetStreamApiSubjects.StreamNames, "{}");
names.StreamNames.ShouldNotBeNull();
names.StreamNames!.Count.ShouldBe(5);
for (var i = 5; i < 10; i++)
names.StreamNames.ShouldContain($"META{i}");
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterMultipleConsumersIndependentPending — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Five_consumers_on_same_stream_have_independent_pending()
{
// Go ref: TestJetStreamClusterMultipleConsumersIndependentPending — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("MULTIDUP", ["md.>"], replicas: 3);
for (var i = 0; i < 10; i++)
await cluster.PublishAsync("md.event", $"msg-{i}");
for (var c = 0; c < 5; c++)
await cluster.CreateConsumerAsync("MULTIDUP", $"consumer{c}", filterSubject: "md.>");
// Each consumer should independently see all 10 messages
for (var c = 0; c < 5; c++)
{
var batch = await cluster.FetchAsync("MULTIDUP", $"consumer{c}", 10);
batch.Messages.Count.ShouldBe(10);
batch.Messages[0].Sequence.ShouldBe(1UL);
}
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterConsumerWildcardFilter — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Consumer_with_wildcard_filter_delivers_only_matching_messages()
{
// Go ref: TestJetStreamClusterConsumerWildcardFilter — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("WFILT", ["wf.>"], replicas: 3);
await cluster.CreateConsumerAsync("WFILT", "wildcons", filterSubject: "wf.alpha.>");
await cluster.PublishAsync("wf.alpha.one", "match1");
await cluster.PublishAsync("wf.beta.two", "no-match");
await cluster.PublishAsync("wf.alpha.three", "match2");
await cluster.PublishAsync("wf.gamma.four", "no-match2");
await cluster.PublishAsync("wf.alpha.five", "match3");
var batch = await cluster.FetchAsync("WFILT", "wildcons", 10);
batch.Messages.Count.ShouldBe(3);
foreach (var msg in batch.Messages)
msg.Subject.ShouldStartWith("wf.alpha.");
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterStreamUpdateAddSubjectsAfterPublish — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Stream_update_adding_subjects_after_publishes_works()
{
// Go ref: TestJetStreamClusterStreamUpdateAddSubjectsAfterPublish — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("ADDSUB", ["as.alpha"], replicas: 3);
for (var i = 0; i < 5; i++)
await cluster.PublishAsync("as.alpha", $"msg-{i}");
var state = await cluster.GetStreamStateAsync("ADDSUB");
state.Messages.ShouldBe(5UL);
// Add more subjects via update
var update = cluster.UpdateStream("ADDSUB", ["as.alpha", "as.beta", "as.gamma"], replicas: 3);
update.Error.ShouldBeNull();
update.StreamInfo!.Config.Subjects.Count.ShouldBe(3);
update.StreamInfo.Config.Subjects.ShouldContain("as.beta");
// Now publish to new subjects
await cluster.PublishAsync("as.beta", "beta-msg");
await cluster.PublishAsync("as.gamma", "gamma-msg");
var finalState = await cluster.GetStreamStateAsync("ADDSUB");
finalState.Messages.ShouldBe(7UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterStreamPurgeAndRepublish — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Stream_purge_in_cluster_then_republish_works_correctly()
{
// Go ref: TestJetStreamClusterStreamPurgeAndRepublish — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("PURGEREP", ["pr.>"], replicas: 3);
for (var i = 0; i < 100; i++)
await cluster.PublishAsync("pr.data", $"msg-{i}");
var before = await cluster.GetStreamStateAsync("PURGEREP");
before.Messages.ShouldBe(100UL);
// Purge
var purge = await cluster.RequestAsync($"{JetStreamApiSubjects.StreamPurge}PURGEREP", "{}");
purge.Success.ShouldBeTrue();
var afterPurge = await cluster.GetStreamStateAsync("PURGEREP");
afterPurge.Messages.ShouldBe(0UL);
// Re-publish
for (var i = 0; i < 50; i++)
{
var ack = await cluster.PublishAsync("pr.data", $"new-msg-{i}");
ack.ErrorCode.ShouldBeNull();
}
var final = await cluster.GetStreamStateAsync("PURGEREP");
final.Messages.ShouldBe(50UL);
// Sequences restart after purge
final.FirstSeq.ShouldBeGreaterThan(0UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterFetchEmptyAfterPurge — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Fetch_empty_after_stream_purge()
{
// Go ref: TestJetStreamClusterFetchEmptyAfterPurge — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("PURGEDRAIN", ["pd.>"], replicas: 3);
await cluster.CreateConsumerAsync("PURGEDRAIN", "reader", filterSubject: "pd.>");
for (var i = 0; i < 20; i++)
await cluster.PublishAsync("pd.event", $"msg-{i}");
// Fetch to advance the consumer
var pre = await cluster.FetchAsync("PURGEDRAIN", "reader", 20);
pre.Messages.Count.ShouldBe(20);
// Purge the stream
(await cluster.RequestAsync($"{JetStreamApiSubjects.StreamPurge}PURGEDRAIN", "{}")).Success.ShouldBeTrue();
// Fetch should now return empty
var post = await cluster.FetchAsync("PURGEDRAIN", "reader", 20);
post.Messages.Count.ShouldBe(0);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterStreamDeleteCascadesConsumers — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Stream_delete_cascades_consumer_removal()
{
// Go ref: TestJetStreamClusterStreamDeleteCascadesConsumers — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("CASCADE", ["cas.>"], replicas: 3);
await cluster.CreateConsumerAsync("CASCADE", "c1");
await cluster.CreateConsumerAsync("CASCADE", "c2");
await cluster.CreateConsumerAsync("CASCADE", "c3");
// Verify consumers exist
var names = await cluster.RequestAsync($"{JetStreamApiSubjects.ConsumerNames}CASCADE", "{}");
names.ConsumerNames!.Count.ShouldBe(3);
// Delete the stream
(await cluster.RequestAsync($"{JetStreamApiSubjects.StreamDelete}CASCADE", "{}")).Success.ShouldBeTrue();
// Stream no longer exists
var info = await cluster.GetStreamInfoAsync("CASCADE");
info.Error.ShouldNotBeNull();
info.Error!.Code.ShouldBe(404);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterNodeRemovalPreservesDataReads — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Node_removal_does_not_affect_stream_data_reads()
{
// Go ref: TestJetStreamClusterNodeRemovalPreservesDataReads — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(5);
await cluster.CreateStreamAsync("NODEREM", ["nr.>"], replicas: 3);
for (var i = 0; i < 30; i++)
await cluster.PublishAsync("nr.event", $"msg-{i}");
var before = await cluster.GetStreamStateAsync("NODEREM");
before.Messages.ShouldBe(30UL);
// Simulate removing a node
cluster.RemoveNode(4);
// Data reads should still work on remaining nodes
var after = await cluster.GetStreamStateAsync("NODEREM");
after.Messages.ShouldBe(30UL);
after.LastSeq.ShouldBe(30UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterNodeRestartPreservesLifecycleMarkers — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Node_restart_records_lifecycle_markers_correctly()
{
// Go ref: TestJetStreamClusterNodeRestartPreservesLifecycleMarkers — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("RESTART", ["rs.>"], replicas: 3);
for (var i = 0; i < 10; i++)
await cluster.PublishAsync("rs.event", $"msg-{i}");
// Simulate node removal
cluster.RemoveNode(2);
// State still accessible with remaining nodes
var mid = await cluster.GetStreamStateAsync("RESTART");
mid.Messages.ShouldBe(10UL);
// Publish more while node is "down"
for (var i = 10; i < 20; i++)
await cluster.PublishAsync("rs.event", $"msg-{i}");
// Simulate node restart
cluster.SimulateNodeRestart(2);
// All messages still accessible
var final = await cluster.GetStreamStateAsync("RESTART");
final.Messages.ShouldBe(20UL);
final.LastSeq.ShouldBe(20UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterLeaderStepdownDuringPublish — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Leader_stepdown_during_publish_sequence_is_monotonic()
{
// Go ref: TestJetStreamClusterLeaderStepdownDuringPublish — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("SEQSTEP", ["seq.>"], replicas: 3);
var seqs = new List<ulong>();
for (var i = 0; i < 10; i++)
{
var ack = await cluster.PublishAsync("seq.event", $"msg-{i}");
seqs.Add(ack.Seq);
}
// Step down leader
(await cluster.StepDownStreamLeaderAsync("SEQSTEP")).Success.ShouldBeTrue();
for (var i = 10; i < 20; i++)
{
var ack = await cluster.PublishAsync("seq.event", $"msg-{i}");
seqs.Add(ack.Seq);
}
// All sequences must be strictly increasing
for (var i = 1; i < seqs.Count; i++)
seqs[i].ShouldBeGreaterThan(seqs[i - 1]);
seqs[^1].ShouldBe(20UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterStreamInfoAfterStepdown — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Stream_info_accurate_after_leader_stepdown_with_many_messages()
{
// Go ref: TestJetStreamClusterStreamInfoAfterStepdown — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("INFOSD1K", ["isd.>"], replicas: 3);
for (var i = 0; i < 500; i++)
await cluster.PublishAsync("isd.event", $"msg-{i}");
(await cluster.StepDownStreamLeaderAsync("INFOSD1K")).Success.ShouldBeTrue();
for (var i = 500; i < 1000; i++)
await cluster.PublishAsync("isd.event", $"msg-{i}");
var info = await cluster.GetStreamInfoAsync("INFOSD1K");
info.StreamInfo.ShouldNotBeNull();
info.StreamInfo!.State.Messages.ShouldBe(1000UL);
info.StreamInfo.State.FirstSeq.ShouldBe(1UL);
info.StreamInfo.State.LastSeq.ShouldBe(1000UL);
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterStreamReplicaGroupHasCorrectNodes — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Replica_group_for_stream_has_correct_node_count()
{
// Go ref: TestJetStreamClusterStreamReplicaGroupHasCorrectNodes — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(5);
await cluster.CreateStreamAsync("GRPCHECK", ["gc.>"], replicas: 3);
var group = cluster.GetReplicaGroup("GRPCHECK");
group.ShouldNotBeNull();
group!.Nodes.Count.ShouldBe(3);
group.Leader.ShouldNotBeNull();
group.Leader.IsLeader.ShouldBeTrue();
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterConsumerLeaderAfterStreamStepdown — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Consumer_leader_remains_valid_after_stream_stepdown()
{
// Go ref: TestJetStreamClusterConsumerLeaderAfterStreamStepdown — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("CONSLEADER", ["cl.>"], replicas: 3);
await cluster.CreateConsumerAsync("CONSLEADER", "durable1");
var leaderBefore = cluster.GetConsumerLeaderId("CONSLEADER", "durable1");
leaderBefore.ShouldNotBeNullOrWhiteSpace();
(await cluster.StepDownStreamLeaderAsync("CONSLEADER")).Success.ShouldBeTrue();
var leaderAfter = cluster.GetConsumerLeaderId("CONSLEADER", "durable1");
leaderAfter.ShouldNotBeNullOrWhiteSpace();
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterWaitOnStreamLeaderAfterCreation — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task WaitOnStreamLeader_resolves_immediately_for_existing_stream()
{
// Go ref: TestJetStreamClusterWaitOnStreamLeaderAfterCreation — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("WLEADER", ["wl.>"], replicas: 3);
// Should complete immediately, no timeout
await cluster.WaitOnStreamLeaderAsync("WLEADER", timeoutMs: 1000);
var leaderId = cluster.GetStreamLeaderId("WLEADER");
leaderId.ShouldNotBeNullOrWhiteSpace();
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterConsumerWaitOnLeaderAfterCreation — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task WaitOnConsumerLeader_resolves_for_existing_consumer()
{
// Go ref: TestJetStreamClusterConsumerWaitOnLeaderAfterCreation — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
await cluster.CreateStreamAsync("WCLEADER2", ["wcl2.>"], replicas: 3);
await cluster.CreateConsumerAsync("WCLEADER2", "dur-wc");
await cluster.WaitOnConsumerLeaderAsync("WCLEADER2", "dur-wc", timeoutMs: 1000);
var leaderId = cluster.GetConsumerLeaderId("WCLEADER2", "dur-wc");
leaderId.ShouldNotBeNullOrWhiteSpace();
}
// ---------------------------------------------------------------
// Go ref: TestJetStreamClusterAccountInfoAfterBatchDelete — jetstream_cluster_4_test.go
// ---------------------------------------------------------------
[Fact]
public async Task Account_info_reflects_accurate_stream_count_after_batch_delete()
{
// Go ref: TestJetStreamClusterAccountInfoAfterBatchDelete — jetstream_cluster_4_test.go
await using var cluster = await JetStreamClusterFixture.StartAsync(3);
for (var i = 0; i < 8; i++)
await cluster.CreateStreamAsync($"BATCH{i}", [$"batch{i}.>"], replicas: 3);
var pre = await cluster.RequestAsync(JetStreamApiSubjects.Info, "{}");
pre.AccountInfo!.Streams.ShouldBe(8);
// Delete 3 streams
for (var i = 0; i < 3; i++)
(await cluster.RequestAsync($"{JetStreamApiSubjects.StreamDelete}BATCH{i}", "{}")).Success.ShouldBeTrue();
var post = await cluster.RequestAsync(JetStreamApiSubjects.Info, "{}");
post.AccountInfo!.Streams.ShouldBe(5);
}
}