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采集/PLC/Inspect 均为桩，验收 1–8 可测。不部署现场。
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C# 开发
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using VisionHost.Contracts;
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using VisionHost.Runtime;
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using Xunit;
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namespace VisionHost.Runtime.Tests;
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public sealed class RunServiceAcceptanceTests
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{
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private static (RunService run, StubFrameSource cam, ScriptedConfirm confirm) New(
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IEnumerable<bool>? start = null,
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IEnumerable<bool>? stop = null)
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{
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var cam = new StubFrameSource();
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var confirm = new ScriptedConfirm(start, stop);
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var run = new RunService(cam, cam, new StubInspectService(), new StubPlcIo(), confirm);
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return (run, cam, confirm);
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}
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[Fact]
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public void Disconnected_StartDisabled_NoConfirm()
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{
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var (run, cam, confirm) = New();
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cam.SetConnection(ConnectionState.Disconnected);
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var s = run.Snapshot();
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Assert.Equal(RunState.Disconnected, s.RunState);
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Assert.Equal("断连", s.BadgeText);
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Assert.False(s.CanStart);
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Assert.Equal("未连接", s.ConnectionText);
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Assert.False(run.RequestStart());
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Assert.Equal(0, confirm.StartPrompts);
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run.Dispose();
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}
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[Fact]
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public void Reconnecting_StartDisabled_NoConfirm()
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{
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var (run, cam, confirm) = New();
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cam.SetConnection(ConnectionState.Reconnecting);
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Assert.False(run.Snapshot().CanStart);
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Assert.False(run.RequestStart());
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Assert.Equal(0, confirm.StartPrompts);
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run.Dispose();
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}
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[Fact]
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public void Start_CancelKeepsIdle()
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{
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var (run, _, confirm) = New(start: new[] { false });
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Assert.True(run.Snapshot().CanStart);
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Assert.False(run.RequestStart());
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Assert.Equal(1, confirm.StartPrompts);
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Assert.False(run.Snapshot().IsRunning);
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Assert.Equal(RunState.Idle, run.Snapshot().RunState);
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run.Dispose();
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}
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[Fact]
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public async Task Start_Confirm_ClearsCounts_AndRuns()
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{
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var (run, _, _) = New(start: new[] { true }, stop: new[] { true });
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Assert.True(run.RequestStart());
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await WaitAsync(() => run.Snapshot().TotalCount >= 1);
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var mid = run.Snapshot();
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Assert.True(mid.IsRunning);
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Assert.True(mid.CanStop);
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Assert.False(mid.CanStart);
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Assert.True(run.RequestStop());
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Assert.True(mid.TotalCount >= 1);
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var confirm2 = new ScriptedConfirm(new[] { true }, new[] { true });
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run.Dispose();
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var cam = new StubFrameSource();
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var run2 = new RunService(cam, cam, new StubInspectService(), new StubPlcIo(), confirm2);
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Assert.True(run2.RequestStart());
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Assert.Equal(0, run2.Snapshot().OkCount);
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Assert.Equal(0, run2.Snapshot().NgCount);
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run2.Dispose();
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}
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[Fact]
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public async Task Stop_CancelKeepsRunning_ConfirmKeepsCounts()
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{
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var confirm = new ScriptedConfirm(start: new[] { true }, stop: new[] { false, true });
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var cam = new StubFrameSource();
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using var run = new RunService(cam, cam, new StubInspectService(), new StubPlcIo(), confirm);
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Assert.True(run.RequestStart());
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await WaitAsync(() => run.Snapshot().TotalCount >= 2);
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var before = run.Snapshot().TotalCount;
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Assert.False(run.RequestStop());
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Assert.True(run.Snapshot().IsRunning);
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Assert.Equal(1, confirm.StopPrompts);
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Assert.True(run.RequestStop());
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var after = run.Snapshot();
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Assert.False(after.IsRunning);
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Assert.True(after.TotalCount >= before);
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Assert.True(after.CanStart);
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Assert.False(after.CanStop);
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}
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[Fact]
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public async Task FifthShot_IsNgStub()
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{
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var (run, _, _) = New(start: new[] { true }, stop: new[] { true });
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run.RequestStart();
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await WaitAsync(() => run.Snapshot().TotalCount >= 5, 5000);
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var s = run.Snapshot();
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Assert.True(s.NgCount >= 1);
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Assert.Contains(s.LastResultText, new[] { "NG STUB", "OK" });
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await WaitAsync(() => run.Snapshot().LastResultText == "NG STUB" || run.Snapshot().NgCount >= 1);
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run.RequestStop();
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run.Dispose();
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}
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[Fact]
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public void LastResult_Dash_WhenNoShot()
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{
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var (run, _, _) = New();
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Assert.Equal("—", run.Snapshot().LastResultText);
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run.Dispose();
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}
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[Fact]
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public void LastResult_NgWithoutCode_IsNgOnly()
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{
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var cam = new StubFrameSource();
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var inspect = new FixedInspect(new InspectResult(false, null, 1, null));
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using var run = new RunService(cam, cam, inspect, new StubPlcIo(), new AlwaysConfirm());
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run.RequestStart();
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cam.GetType(); // keep
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// inject via queue by starting grab
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WaitAsync(() => run.Snapshot().TotalCount >= 1).GetAwaiter().GetResult();
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Assert.Equal("NG", run.Snapshot().LastResultText);
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run.RequestStop();
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}
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[Fact]
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public void Alarm_WhileConnected_CanStopIfRunning()
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{
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var (run, _, _) = New(start: new[] { true });
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run.RequestStart();
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run.RaiseAlarm("光源异常");
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var s = run.Snapshot();
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Assert.Equal(RunState.Alarm, s.RunState);
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Assert.Equal("报警", s.BadgeText);
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Assert.Equal("光源异常", s.AlarmText);
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Assert.True(s.CanStop);
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run.Dispose();
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}
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[Fact]
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public void Disconnect_OverridesAlarm_StartDisabled()
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{
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var (run, cam, confirm) = New();
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run.RaiseAlarm("光源异常");
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cam.SetConnection(ConnectionState.Disconnected);
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var s = run.Snapshot();
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Assert.Equal(RunState.Disconnected, s.RunState);
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Assert.False(s.CanStart);
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Assert.False(run.RequestStart());
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Assert.Equal(0, confirm.StartPrompts);
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run.Dispose();
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}
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[Fact]
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public void Counts_PersistAcrossStop_ResetOnNextStart()
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{
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var confirm = new ScriptedConfirm(start: new[] { true, true }, stop: new[] { true });
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var cam = new StubFrameSource();
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using var run = new RunService(cam, cam, new StubInspectService(), new StubPlcIo(), confirm);
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run.RequestStart();
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WaitAsync(() => run.Snapshot().TotalCount >= 3).GetAwaiter().GetResult();
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run.RequestStop();
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var kept = run.Snapshot().TotalCount;
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Assert.True(kept >= 3);
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run.RequestStart();
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Assert.Equal(0, run.Snapshot().TotalCount);
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}
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private static async Task WaitAsync(Func<bool> pred, int ms = 3000)
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{
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var until = DateTime.UtcNow.AddMilliseconds(ms);
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while (DateTime.UtcNow < until)
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{
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if (pred()) return;
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await Task.Delay(20);
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}
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throw new TimeoutException("condition not met");
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}
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[Fact]
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public async Task Changed_FromWorker_PostsToUiDispatch()
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{
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var ui = new RecordingDispatch();
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using var vm = RunViewModel.CreateStub(new AlwaysConfirm(), ui);
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Assert.True(vm.Service.RequestStart());
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await WaitAsync(() => vm.TotalCount >= 1);
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Assert.True(ui.PostCount >= 1);
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vm.Service.RequestStop();
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}
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private sealed class RecordingDispatch : IUiDispatch
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{
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public int PostCount;
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public void Post(Action action)
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{
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PostCount++;
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action();
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}
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}
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private sealed class FixedInspect : IInspectService
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{
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private readonly InspectResult _r;
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public FixedInspect(InspectResult r) => _r = r;
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public Task<InspectResult> Inspect(object frameHandle, string recipeId, CancellationToken cancellationToken)
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=> Task.FromResult(_r);
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}
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}
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