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batch37 task5 implement group D consumer registry and interest state

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This commit is contained in:
Joseph Doherty
2026-02-28 23:47:48 -05:00
parent 6290b17a82
commit a805af1bea
3 changed files with 264 additions and 1 deletions
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73
dotnet/tests/ZB.MOM.NatsNet.Server.Tests/JetStream/NatsStreamConsumersTests.cs
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@@ -58,13 +58,84 @@ public sealed class NatsStreamConsumersTests
Should.NotThrow(stream.ResetAndWaitOnConsumers);
}
private static NatsStream CreateStream()
[Fact]
public void SetConsumer_LookupAndCounts_ReturnExpectedValues()
{
var stream = CreateStream();
var standard = new NatsConsumer("S", new ConsumerConfig { Name = "c1", Direct = false }, DateTime.UtcNow);
var direct = new NatsConsumer("S", new ConsumerConfig { Name = "c2", Direct = true }, DateTime.UtcNow);
stream.SetConsumer(standard);
stream.SetConsumer(direct);
stream.NumConsumers().ShouldBe(2);
stream.NumPublicConsumers().ShouldBe(1);
stream.NumDirectConsumers().ShouldBe(1);
stream.LookupConsumer("c2").ShouldBe(direct);
}
[Fact]
public void GetMsg_WhenStored_ReturnsStoredMessage()
{
var stream = CreateStream();
stream.SetupStore(null).ShouldBeNull();
stream.Store!.StoreMsg("events", null, [1, 2], ttl: 0);
var message = stream.GetMsg(1);
message.ShouldNotBeNull();
message!.Subject.ShouldBe("events");
message.Sequence.ShouldBe(1UL);
}
[Fact]
public void PartitionUnique_WithCollidingFilters_ReturnsFalse()
{
var stream = CreateStream();
var existing = new NatsConsumer("S", new ConsumerConfig { Name = "existing", FilterSubject = "orders.*" }, DateTime.UtcNow);
stream.SetConsumer(existing);
var unique = stream.PartitionUnique("new", ["orders.created"]);
unique.ShouldBeFalse();
}
[Fact]
public void PotentialFilteredConsumers_WithWildcardSubjectAndConsumer_ReturnsTrue()
{
var stream = CreateStream(["orders.>"]);
stream.SetConsumer(new NatsConsumer("S", new ConsumerConfig { Name = "c1" }, DateTime.UtcNow));
stream.PotentialFilteredConsumers().ShouldBeTrue();
}
[Fact]
public void NoInterest_WithOnlyObservingConsumer_ReturnsTrue()
{
var stream = CreateStream();
var observer = new NatsConsumer("S", new ConsumerConfig { Name = "observer" }, DateTime.UtcNow);
stream.SetConsumer(observer);
stream.NoInterest(1, observer).ShouldBeTrue();
}
[Fact]
public void IsInterestRetention_WhenPolicyIsInterest_ReturnsTrue()
{
var stream = CreateStream(retention: RetentionPolicy.InterestPolicy);
stream.IsInterestRetention().ShouldBeTrue();
}
private static NatsStream CreateStream(string[]? subjects = null, RetentionPolicy retention = RetentionPolicy.LimitsPolicy)
{
var account = new Account { Name = "A" };
var config = new StreamConfig
{
Name = "S",
Storage = StorageType.MemoryStorage,
Subjects = subjects ?? ["events.>"],
Retention = retention,
};
return new NatsStream(account, config, DateTime.UtcNow);
}