test: cover GalaxyBrowseProjector, GalaxyDeployNotifier, GalaxyHierarchyRefreshService (ported from mxaccessgw on adoption)

2026-06-25 12:28:34 -04:00
parent 6143b7e4f3
commit cc57c857b8
3 changed files with 553 additions and 0 deletions
@@ -0,0 +1,94 @@
+using ZB.MOM.WW.GalaxyRepository;
+
+namespace ZB.MOM.WW.GalaxyRepository.Tests;
+
+public sealed class GalaxyDeployNotifierTests
+{
+    /// <summary>Verifies that a subscriber blocks until a deploy event is published.</summary>
+    [Fact]
+    public async Task SubscribeAsync_NoLatestEvent_BlocksUntilPublish()
+    {
+        GalaxyDeployNotifier notifier = new();
+        using CancellationTokenSource cts = new();
+
+        IAsyncEnumerator<GalaxyDeployEventInfo> enumerator = notifier
+            .SubscribeAsync(cts.Token)
+            .GetAsyncEnumerator(cts.Token);
+
+        ValueTask<bool> moveNext = enumerator.MoveNextAsync();
+        Assert.False(moveNext.IsCompleted);
+
+        GalaxyDeployEventInfo published = new(
+            Sequence: 1,
+            ObservedAt: DateTimeOffset.UtcNow,
+            TimeOfLastDeploy: DateTimeOffset.UtcNow,
+            ObjectCount: 5,
+            AttributeCount: 25);
+        notifier.Publish(published);
+
+        Assert.True(await moveNext.AsTask().WaitAsync(TimeSpan.FromSeconds(1)));
+        Assert.Same(published, enumerator.Current);
+
+        await cts.CancelAsync();
+        await enumerator.DisposeAsync();
+    }
+
+    /// <summary>Verifies that a subscriber immediately receives a cached latest deploy event.</summary>
+    [Fact]
+    public async Task SubscribeAsync_WithLatestEvent_BootstrapsImmediately()
+    {
+        GalaxyDeployNotifier notifier = new();
+        GalaxyDeployEventInfo first = new(1, DateTimeOffset.UtcNow, DateTimeOffset.UtcNow, 3, 9);
+        notifier.Publish(first);
+
+        using CancellationTokenSource cts = new();
+        await using IAsyncEnumerator<GalaxyDeployEventInfo> enumerator = notifier
+            .SubscribeAsync(cts.Token)
+            .GetAsyncEnumerator(cts.Token);
+
+        Assert.True(await enumerator.MoveNextAsync().AsTask().WaitAsync(TimeSpan.FromSeconds(1)));
+        Assert.Same(first, enumerator.Current);
+
+        await cts.CancelAsync();
+    }
+
+    /// <summary>Verifies that published events fan out to all active subscribers.</summary>
+    [Fact]
+    public async Task Publish_FansOutToAllSubscribers()
+    {
+        GalaxyDeployNotifier notifier = new();
+        using CancellationTokenSource cts = new();
+
+        await using IAsyncEnumerator<GalaxyDeployEventInfo> a = notifier
+            .SubscribeAsync(cts.Token)
+            .GetAsyncEnumerator(cts.Token);
+        await using IAsyncEnumerator<GalaxyDeployEventInfo> b = notifier
+            .SubscribeAsync(cts.Token)
+            .GetAsyncEnumerator(cts.Token);
+
+        GalaxyDeployEventInfo info = new(1, DateTimeOffset.UtcNow, null, 0, 0);
+        notifier.Publish(info);
+
+        Assert.True(await a.MoveNextAsync().AsTask().WaitAsync(TimeSpan.FromSeconds(1)));
+        Assert.True(await b.MoveNextAsync().AsTask().WaitAsync(TimeSpan.FromSeconds(1)));
+        Assert.Same(info, a.Current);
+        Assert.Same(info, b.Current);
+
+        await cts.CancelAsync();
+    }
+
+    /// <summary>Verifies that the Latest property tracks the most recently published event.</summary>
+    [Fact]
+    public void Latest_TracksMostRecentPublish()
+    {
+        GalaxyDeployNotifier notifier = new();
+        Assert.Null(notifier.Latest);
+
+        GalaxyDeployEventInfo first = new(1, DateTimeOffset.UtcNow, null, 0, 0);
+        GalaxyDeployEventInfo second = new(2, DateTimeOffset.UtcNow, null, 0, 0);
+        notifier.Publish(first);
+        notifier.Publish(second);
+
+        Assert.Same(second, notifier.Latest);
+    }
+}