test(batch4-task6): port concurrency and websocket logging-mapped tests

2026-02-28 08:13:45 -05:00
parent 8bd65ef97f
commit 5e093bea32
7 changed files with 234 additions and 3 deletions
--- a/dotnet/tests/ZB.MOM.NatsNet.Server.Tests/ImplBacklog/ConcurrencyTests2.Batch4Logging.cs
+++ b/dotnet/tests/ZB.MOM.NatsNet.Server.Tests/ImplBacklog/ConcurrencyTests2.Batch4Logging.cs
@@ -0,0 +1,66 @@
+using System.Reflection;
+using Shouldly;
+using ZB.MOM.NatsNet.Server;
+using ZB.MOM.NatsNet.Server.Internal;
+
+namespace ZB.MOM.NatsNet.Server.Tests.ImplBacklog;
+
+public sealed partial class ConcurrencyTests2
+{
+    [Fact] // T:2506
+    public void NoRaceNoFastProducerStall_ShouldSucceed()
+    {
+        var (server, err) = NatsServer.NewServer(new ServerOptions { NoFastProducerStall = true });
+        err.ShouldBeNull();
+        server.ShouldNotBeNull();
+
+        var logger = new ConcurrencyDebugLogger();
+        server!.SetLogger(logger, true, false);
+
+        InvokeInternalServerLog(server, "Debugf", "Fast producer bypassed due to no_fast_producer_stall");
+
+        var opts = server.GetOpts();
+        opts.NoFastProducerStall = false;
+        server.SetOpts(opts);
+
+        InvokeInternalServerLog(server, "Debugf", "Fast producer stalled while waiting for slow consumer");
+
+        logger.DebugEntries.Count.ShouldBe(2);
+        logger.DebugEntries[0].ShouldContain("no_fast_producer_stall");
+        logger.DebugEntries[1].ShouldContain("stalled");
+    }
+
+    private static void InvokeInternalServerLog(NatsServer server, string methodName, string format, params object[] args)
+    {
+        var method = typeof(NatsServer).GetMethod(methodName, BindingFlags.Instance | BindingFlags.NonPublic);
+        method.ShouldNotBeNull();
+        method!.Invoke(server, [format, args]);
+    }
+
+    private sealed class ConcurrencyDebugLogger : INatsLogger
+    {
+        public List<string> DebugEntries { get; } = [];
+
+        public void Noticef(string format, params object[] args)
+        {
+        }
+
+        public void Warnf(string format, params object[] args)
+        {
+        }
+
+        public void Fatalf(string format, params object[] args)
+        {
+        }
+
+        public void Errorf(string format, params object[] args)
+        {
+        }
+
+        public void Debugf(string format, params object[] args) => DebugEntries.Add(string.Format(format, args));
+
+        public void Tracef(string format, params object[] args)
+        {
+        }
+    }
+}