feat: complete jetstream deep operational parity closure

2026-02-23 13:43:14 -05:00
parent 5506fc4705
commit 377ad4a299
27 changed files with 933 additions and 13 deletions
--- a/tests/NATS.Server.Tests/JetStream/JetStreamRetentionRuntimeParityTests.cs
+++ b/tests/NATS.Server.Tests/JetStream/JetStreamRetentionRuntimeParityTests.cs
@@ -0,0 +1,58 @@
+using NATS.Server.JetStream;
+using NATS.Server.JetStream.Models;
+using NATS.Server.JetStream.Validation;
+
+namespace NATS.Server.Tests;
+
+public class JetStreamRetentionRuntimeParityTests
+{
+    [Fact]
+    public async Task Workqueue_and_interest_retention_apply_correct_eviction_rules_under_ack_and_interest_changes()
+    {
+        var invariantViolations = new List<string>();
+
+        var invalidWorkQueue = JetStreamConfigValidator.Validate(new StreamConfig
+        {
+            Name = "WQ_INVALID",
+            Subjects = ["wq.invalid"],
+            Retention = RetentionPolicy.WorkQueue,
+            MaxConsumers = 0,
+        });
+        if (invalidWorkQueue.IsValid)
+            invariantViolations.Add("WorkQueue retention accepted MaxConsumers=0.");
+
+        var manager = new StreamManager();
+        manager.CreateOrUpdate(new StreamConfig
+        {
+            Name = "WQ",
+            Subjects = ["wq.*"],
+            Retention = RetentionPolicy.WorkQueue,
+            MaxConsumers = 1,
+            MaxMsgs = 1,
+        }).Error.ShouldBeNull();
+
+        manager.CreateOrUpdate(new StreamConfig
+        {
+            Name = "INT",
+            Subjects = ["int.*"],
+            Retention = RetentionPolicy.Interest,
+            MaxMsgsPer = 1,
+        }).Error.ShouldBeNull();
+
+        manager.Capture("wq.a", "first"u8.ToArray());
+        manager.Capture("wq.a", "second"u8.ToArray());
+        manager.TryGet("WQ", out var wq).ShouldBeTrue();
+        var wqState = await wq.Store.GetStateAsync(default);
+        if (wqState.Messages != 1)
+            invariantViolations.Add($"WorkQueue stream expected 1 message, found {wqState.Messages}.");
+
+        manager.Capture("int.a", "one"u8.ToArray());
+        manager.Capture("int.a", "two"u8.ToArray());
+        manager.TryGet("INT", out var interest).ShouldBeTrue();
+        var interestState = await interest.Store.GetStateAsync(default);
+        if (interestState.Messages != 1)
+            invariantViolations.Add($"Interest stream expected 1 message after per-subject pruning, found {interestState.Messages}.");
+
+        invariantViolations.ShouldBeEmpty();
+    }
+}