Joseph Doherty
461133235a
FOCAS, AbLegacy, AbCip, TwinCAT, S7 and OpcUaClient orphaned the previous probe/recycle/fixed-tree loops and clients when re-initialised on a live driver. Claude-Session: https://claude.ai/code/session_01Ef2ozxS7QPanGT8uoATbTe
51 lines
2.1 KiB
C#
51 lines
2.1 KiB
C#
using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.PlcFamilies;
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namespace ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.Tests;
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/// <summary>
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/// #630 — <c>InitializeAsync</c> on a live driver (<c>DriverInstanceActor.AdoptConfigDuringInit</c> runs
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/// it with no teardown first) overwrote <c>_devices[host]</c> and orphaned the previous state's
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/// probe loop + runtime. It now releases them first.
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/// </summary>
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[Trait("Category", "Unit")]
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public sealed class AbLegacyReinitializeReleasesStateTests
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{
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/// <summary>Initialize twice: the first state's probe loop has stopped and its probe runtime is disposed.</summary>
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[Fact]
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public async Task SecondInitialize_StopsFirstStatesLoop_AndDisposesItsRuntime()
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{
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const string host = "ab://10.0.0.5/1,0";
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var factory = new FakeAbLegacyTagFactory();
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var drv = new AbLegacyDriver(new AbLegacyDriverOptions
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{
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Devices = [new AbLegacyDeviceOptions(host, AbLegacyPlcFamily.Slc500)],
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Probe = new AbLegacyProbeOptions { Enabled = true, Interval = TimeSpan.FromMilliseconds(20), ProbeAddress = "S:0" },
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}, "drv-reinit", factory);
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await drv.InitializeAsync("{}", CancellationToken.None);
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var first = drv.GetDeviceState(host)!;
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// Positive control: the first state's probe loop is running and has created + initialised its runtime.
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var deadline = DateTime.UtcNow.AddSeconds(5);
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while (!(factory.Tags.TryGetValue("S:0", out var t) && t.InitializeCount > 0))
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{
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if (DateTime.UtcNow > deadline) throw new TimeoutException("probe never started");
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await Task.Delay(10);
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}
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var firstTag = factory.Tags["S:0"];
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var firstLoop = first.ProbeTask;
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firstLoop.ShouldNotBeNull();
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firstLoop!.IsCompleted.ShouldBeFalse();
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firstTag.Disposed.ShouldBeFalse();
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await drv.InitializeAsync("{}", CancellationToken.None);
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firstLoop.IsCompleted.ShouldBeTrue(); // joined
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firstTag.Disposed.ShouldBeTrue();
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drv.GetDeviceState(host).ShouldNotBeSameAs(first);
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await drv.ShutdownAsync(CancellationToken.None);
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}
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}
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