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