test(adminui): browse session registry, reaper, service

2026-05-28 15:44:20 -04:00
parent d605d0b20d
commit dc8a2dd52c
6 changed files with 366 additions and 0 deletions
@@ -0,0 +1,62 @@
+using Shouldly;
+using Xunit;
+using ZB.MOM.WW.OtOpcUa.AdminUI.Browsing;
+using ZB.MOM.WW.OtOpcUa.Commons.Browsing;
+
+namespace ZB.MOM.WW.OtOpcUa.AdminUI.Tests.Browsing;
+
+/// <summary>Unit tests for <see cref="BrowseSessionRegistry"/>'s lookup, removal and
+/// concurrent-registration behaviour.</summary>
+public sealed class BrowseSessionRegistryTests
+{
+    [Fact]
+    public void Register_then_TryGet_returns_session()
+    {
+        var registry = new BrowseSessionRegistry();
+        var session = new FakeBrowseSession();
+
+        registry.Register(session);
+        var found = registry.TryGet(session.Token, out var got);
+
+        found.ShouldBeTrue();
+        got.ShouldBeSameAs((IBrowseSession)session);
+    }
+
+    [Fact]
+    public void TryGet_unknown_returns_false()
+    {
+        var registry = new BrowseSessionRegistry();
+
+        registry.TryGet(Guid.NewGuid(), out var got).ShouldBeFalse();
+        got.ShouldBeNull();
+    }
+
+    [Fact]
+    public void TryRemove_then_TryGet_returns_false()
+    {
+        var registry = new BrowseSessionRegistry();
+        var session = new FakeBrowseSession();
+        registry.Register(session);
+
+        registry.TryRemove(session.Token, out var removed).ShouldBeTrue();
+        removed.ShouldBeSameAs((IBrowseSession)session);
+        registry.TryGet(session.Token, out _).ShouldBeFalse();
+    }
+
+    [Fact]
+    public async Task Concurrent_Register_from_many_tasks_all_visible_in_Snapshot()
+    {
+        var registry = new BrowseSessionRegistry();
+        const int count = 50;
+        var sessions = Enumerable.Range(0, count).Select(_ => new FakeBrowseSession()).ToArray();
+
+        var tasks = sessions.Select(s => Task.Run(() => registry.Register(s))).ToArray();
+        await Task.WhenAll(tasks);
+
+        var snapshot = registry.Snapshot();
+        snapshot.Count.ShouldBe(count);
+        var snapshotTokens = snapshot.Select(x => x.Token).OrderBy(g => g).ToArray();
+        var expectedTokens = sessions.Select(s => s.Token).OrderBy(g => g).ToArray();
+        snapshotTokens.ShouldBe(expectedTokens);
+    }
+}