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 +1,50 @@
+using ZB.MOM.WW.OtOpcUa.Commons.Browsing;
+
+namespace ZB.MOM.WW.OtOpcUa.AdminUI.Tests.Browsing;
+
+/// <summary>Test double for <see cref="IBrowseSession"/> used by the registry, reaper,
+/// and service tests. All three operations delegate to caller-supplied handlers so each
+/// test can shape behaviour; <see cref="DisposeAsync"/> records that it ran and can be
+/// instructed to throw via <see cref="ThrowOnDispose"/>.</summary>
+internal sealed class FakeBrowseSession : IBrowseSession
+{
+    /// <inheritdoc />
+    public Guid Token { get; } = Guid.NewGuid();
+
+    /// <summary>Mutable so tests can rewind the timestamp into the reaper's eviction window.</summary>
+    public DateTime LastUsedUtc { get; set; } = DateTime.UtcNow;
+
+    /// <summary>True once <see cref="DisposeAsync"/> has run to completion.</summary>
+    public bool Disposed { get; private set; }
+
+    /// <summary>When true, <see cref="DisposeAsync"/> throws to exercise the reaper's
+    /// best-effort dispose path.</summary>
+    public bool ThrowOnDispose { get; set; }
+
+    // Suppress CS0649: handlers are test seams — some tests leave them null intentionally.
+#pragma warning disable CS0649
+    public Func<CancellationToken, Task<IReadOnlyList<BrowseNode>>>? RootHandler;
+    public Func<string, CancellationToken, Task<IReadOnlyList<BrowseNode>>>? ExpandHandler;
+    public Func<string, CancellationToken, Task<IReadOnlyList<AttributeInfo>>>? AttributesHandler;
+#pragma warning restore CS0649
+
+    /// <inheritdoc />
+    public Task<IReadOnlyList<BrowseNode>> RootAsync(CancellationToken ct)
+        => RootHandler?.Invoke(ct) ?? Task.FromResult<IReadOnlyList<BrowseNode>>(Array.Empty<BrowseNode>());
+
+    /// <inheritdoc />
+    public Task<IReadOnlyList<BrowseNode>> ExpandAsync(string nodeId, CancellationToken ct)
+        => ExpandHandler?.Invoke(nodeId, ct) ?? Task.FromResult<IReadOnlyList<BrowseNode>>(Array.Empty<BrowseNode>());
+
+    /// <inheritdoc />
+    public Task<IReadOnlyList<AttributeInfo>> AttributesAsync(string nodeId, CancellationToken ct)
+        => AttributesHandler?.Invoke(nodeId, ct) ?? Task.FromResult<IReadOnlyList<AttributeInfo>>(Array.Empty<AttributeInfo>());
+
+    /// <inheritdoc />
+    public ValueTask DisposeAsync()
+    {
+        if (ThrowOnDispose) throw new InvalidOperationException("dispose-failed");
+        Disposed = true;
+        return ValueTask.CompletedTask;
+    }
+}