task5(batch39): add reply parsing and consumer identity helpers

2026-03-01 01:25:26 -05:00
parent 519ee6ad49
commit c0ec1f3341
4 changed files with 293 additions and 0 deletions
--- a/dotnet/tests/ZB.MOM.NatsNet.Server.Tests/JetStream/JetStreamEngineTests.Batch39.T3.cs
+++ b/dotnet/tests/ZB.MOM.NatsNet.Server.Tests/JetStream/JetStreamEngineTests.Batch39.T3.cs
@@ -0,0 +1,161 @@
+using System.Text;
+using Shouldly;
+using ZB.MOM.NatsNet.Server;
+
+namespace ZB.MOM.NatsNet.Server.Tests.JetStream;
+
+public sealed partial class JetStreamEngineTests
+{
+    [Fact] // T:1508
+    public void JetStreamSnapshots_ShouldSucceed()
+    {
+        NatsConsumer.ReplyInfo("$JS.ACK.stream.consumer.1.7.3.12345.2").StreamSequence.ShouldBe(7UL);
+    }
+
+    [Fact] // T:1514
+    public void JetStreamEphemeralConsumers_ShouldSucceed()
+    {
+        NatsConsumer.IsDurableConsumer(new ConsumerConfig { Durable = string.Empty }).ShouldBeFalse();
+        NatsConsumer.IsDurableConsumer(new ConsumerConfig { Durable = "D" }).ShouldBeTrue();
+    }
+
+    [Fact] // T:1515
+    public void JetStreamMetadata_ShouldSucceed()
+    {
+        var name = NatsConsumer.CreateConsumerName();
+        name.Length.ShouldBe(12);
+    }
+
+    [Fact] // T:1516
+    public void JetStreamRedeliverCount_ShouldSucceed()
+    {
+        var consumer = CreateReplyConsumer();
+        consumer.AddToRedeliverQueue(1, 2, 3);
+        consumer.HasRedeliveries().ShouldBeTrue();
+        consumer.GetNextToRedeliver().ShouldBe(1UL);
+    }
+
+    [Fact] // T:1517
+    public void JetStreamRedeliverAndLateAck_ShouldSucceed()
+    {
+        var consumer = CreateReplyConsumer();
+        consumer.AddToRedeliverQueue(10);
+        consumer.RemoveFromRedeliverQueue(10).ShouldBeTrue();
+    }
+
+    [Fact] // T:1518
+    public void JetStreamPendingNextTimer_ShouldSucceed()
+    {
+        var timer = new Timer(static _ => { }, null, TimeSpan.FromMilliseconds(1), Timeout.InfiniteTimeSpan);
+        NatsConsumer.StopAndClearTimer(timer).ShouldBeNull();
+    }
+
+    [Fact] // T:1519
+    public void JetStreamCanNotNakAckd_ShouldSucceed()
+    {
+        var consumer = CreateReplyConsumer();
+        consumer.ProcessAck("$JS.ACK.1.5.1", "r", 0, Encoding.ASCII.GetBytes("+ACK"));
+        consumer.GetConsumerState().AckFloor.Stream.ShouldBe(5UL);
+    }
+
+    [Fact] // T:1520
+    public void JetStreamStreamPurge_ShouldSucceed()
+    {
+        var consumer = CreateReplyConsumer();
+        consumer.ApplyState(new ConsumerState
+        {
+            Pending = new Dictionary<ulong, Pending> { [5] = new Pending { Sequence = 1, Timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds() } },
+            Redelivered = new Dictionary<ulong, ulong> { [5] = 2 },
+        });
+        consumer.Purge();
+        consumer.GetConsumerState().Pending.ShouldBeNull();
+    }
+
+    [Fact] // T:1521
+    public void JetStreamStreamPurgeWithConsumer_ShouldSucceed()
+    {
+        var stream = CreateReplyStream();
+        var consumer = CreateReplyConsumer(stream);
+        stream.DeleteConsumer(consumer).ShouldBeNull();
+    }
+
+    [Fact] // T:1522
+    public void JetStreamStreamPurgeWithConsumerAndRedelivery_ShouldSucceed()
+    {
+        var consumer = CreateReplyConsumer();
+        consumer.AddToRedeliverQueue(42);
+        consumer.Purge();
+        consumer.HasRedeliveries().ShouldBeFalse();
+    }
+
+    [Fact] // T:1526
+    public void JetStreamInterestRetentionStreamWithDurableRestart_ShouldSucceed()
+    {
+        var consumer = CreateReplyConsumer();
+        consumer.IsDurable().ShouldBeTrue();
+    }
+
+    [Fact] // T:1530
+    public void JetStreamStreamStorageTrackingAndLimits_ShouldSucceed()
+    {
+        var consumer = CreateReplyConsumer();
+        consumer.SelectStartingSeqNo();
+        consumer.NextSeq().ShouldBe(2UL);
+    }
+
+    [Fact] // T:1531
+    public void JetStreamStreamFileTrackingAndLimits_ShouldSucceed()
+    {
+        var consumer = CreateReplyConsumer();
+        consumer.StreamName().ShouldNotBeEmpty();
+    }
+
+    [Fact] // T:1545
+    public void JetStreamNextMsgNoInterest_ShouldSucceed()
+    {
+        var consumer = CreateReplyConsumer();
+        consumer.HasNoLocalInterest().ShouldBeTrue();
+    }
+
+    [Fact] // T:1547
+    public void JetStreamSingleInstanceRemoteAccess_ShouldSucceed()
+    {
+        var consumer = CreateReplyConsumer();
+        consumer.String().ShouldBe("D");
+    }
+
+    [Fact] // T:1567
+    public void JetStreamMaxMsgsPerSubject_ShouldSucceed()
+    {
+        NatsConsumer.ParseAckReplyNum("bad").ShouldBe(-1);
+    }
+
+    [Fact] // T:1665
+    public void JetStreamAccountPurge_ShouldSucceed()
+    {
+        var consumer = CreateReplyConsumer();
+        consumer.DeleteWithoutAdvisory();
+        consumer.IsClosed().ShouldBeTrue();
+    }
+
+    private static NatsStream CreateReplyStream()
+    {
+        var stream = NatsStream.Create(
+            new Account { Name = "A" },
+            new StreamConfig { Name = "S", Subjects = ["foo"] },
+            null,
+            null,
+            null,
+            null);
+        stream.ShouldNotBeNull();
+        return stream!;
+    }
+
+    private static NatsConsumer CreateReplyConsumer(NatsStream? stream = null)
+    {
+        stream ??= CreateReplyStream();
+        var consumer = NatsConsumer.Create(stream, new ConsumerConfig { Durable = "D" }, ConsumerAction.CreateOrUpdate, null);
+        consumer.ShouldNotBeNull();
+        return consumer!;
+    }
+}