feat: add jetstream publish preconditions and dedupe

2026-02-23 06:05:01 -05:00
parent d73e7e2f88
commit 6825839191
4 changed files with 61 additions and 4 deletions
--- a/tests/NATS.Server.Tests/JetStreamPublishPreconditionTests.cs
+++ b/tests/NATS.Server.Tests/JetStreamPublishPreconditionTests.cs
@@ -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);
+    }
+}