Joseph Doherty
f40409a688
Tracking IDs are review bookkeeping that rots in shipped source; the rationale they tagged is kept. Comment-only change (CommentChecker 458 -> 16 false positives).
68 lines
2.6 KiB
C#
68 lines
2.6 KiB
C#
using System.Runtime.CompilerServices;
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using System.Threading.Channels;
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using ZB.MOM.WW.MxGateway.Contracts.Proto;
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using ZB.MOM.WW.MxGateway.Server.Workers;
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namespace ZB.MOM.WW.MxGateway.Tests.TestSupport;
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/// <summary>
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/// Always-<see cref="WorkerClientState.Ready"/> <see cref="IWorkerClient"/> whose event
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/// stream is a channel the test writes to. Lets a test attach a real
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/// <c>GatewaySession</c> to a worker it drives by hand — the session can be marked Ready,
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/// its <c>SessionEventDistributor</c> pump then drains this channel, and the test controls
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/// exactly when each event is fanned.
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/// </summary>
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/// <remarks>
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/// Commands are not scripted here: <see cref="InvokeAsync"/> returns an empty reply, because
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/// the consumers of this fake route commands through their own <c>ISessionManager</c> double
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/// rather than through the worker client. Use a purpose-built worker client instead when a
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/// test needs command behavior.
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/// </remarks>
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/// <param name="sessionId">Session identifier the client reports.</param>
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/// <param name="events">Channel whose events <see cref="ReadEventsAsync"/> yields, in order.</param>
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public sealed class ChannelWorkerClient(string sessionId, ChannelReader<WorkerEvent> events) : IWorkerClient
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{
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/// <inheritdoc />
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public string SessionId { get; } = sessionId;
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/// <inheritdoc />
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public int? ProcessId { get; } = 4321;
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/// <inheritdoc />
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public WorkerClientState State { get; } = WorkerClientState.Ready;
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/// <inheritdoc />
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public DateTimeOffset LastHeartbeatAt { get; } = DateTimeOffset.UtcNow;
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/// <inheritdoc />
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public Task StartAsync(CancellationToken cancellationToken) => Task.CompletedTask;
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/// <inheritdoc />
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public Task<WorkerCommandReply> InvokeAsync(
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WorkerCommand command,
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TimeSpan timeout,
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CancellationToken cancellationToken) => Task.FromResult(new WorkerCommandReply());
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/// <inheritdoc />
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public async IAsyncEnumerable<WorkerEvent> ReadEventsAsync(
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[EnumeratorCancellation] CancellationToken cancellationToken)
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{
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await foreach (WorkerEvent workerEvent in events.ReadAllAsync(cancellationToken).ConfigureAwait(false))
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{
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yield return workerEvent;
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}
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}
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/// <inheritdoc />
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public Task ShutdownAsync(TimeSpan timeout, CancellationToken cancellationToken) => Task.CompletedTask;
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/// <inheritdoc />
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public void Kill(string reason)
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{
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}
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/// <summary>Completes immediately because the fake holds no resources.</summary>
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/// <returns>A completed value task.</returns>
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public ValueTask DisposeAsync() => ValueTask.CompletedTask;
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}
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