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feat: add jetstream publish preconditions and dedupe

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This commit is contained in:
Joseph Doherty
2026-02-23 06:05:01 -05:00
parent d73e7e2f88
commit 6825839191
4 changed files with 61 additions and 4 deletions
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9
tests/NATS.Server.Tests/JetStreamApiFixture.cs
View File

@@ -35,12 +35,15 @@ internal sealed class JetStreamApiFixture : IAsyncDisposable
return fixture;
}
public Task<PubAck> PublishAndGetAckAsync(string subject, string payload)
public Task<PubAck> PublishAndGetAckAsync(string subject, string payload, string? msgId = null, bool expectError = false)
{
if (_publisher.TryCapture(subject, Encoding.UTF8.GetBytes(payload), out var ack))
if (_publisher.TryCapture(subject, Encoding.UTF8.GetBytes(payload), msgId, out var ack))
return Task.FromResult(ack);
return Task.FromResult(new PubAck { ErrorCode = 404 });
if (expectError)
return Task.FromResult(new PubAck { ErrorCode = 404 });
throw new InvalidOperationException($"No stream matched subject '{subject}'.");
}
public Task<JetStreamApiResponse> RequestLocalAsync(string subject, string payload)

15
tests/NATS.Server.Tests/JetStreamPublishPreconditionTests.cs Normal file
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@@ -0,0 +1,15 @@
namespace NATS.Server.Tests;
public class JetStreamPublishPreconditionTests
{
[Fact]
public async Task Duplicate_msg_id_is_rejected_with_expected_error()
{
await using var fixture = await JetStreamApiFixture.StartWithStreamAsync("D", "d.*");
await fixture.PublishAndGetAckAsync("d.a", "x", msgId: "id-1");
var second = await fixture.PublishAndGetAckAsync("d.a", "x", msgId: "id-1", expectError: true);
second.ErrorCode.ShouldBe(10071);
}
}