双队列的打通实时按钮的切换补充测试用例

2026-05-06 23:25:37 +08:00
parent bd9b24beb1
commit d56caf1ab5
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+using System;
+using System.Threading;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Threading;
+using FsCheck;
+using FsCheck.Fluent;
+using FsCheck.Xunit;
+using Moq;
+using Prism.Events;
+using XP.Common.Logging.Interfaces;
+using XplorePlane.Events;
+using XplorePlane.Models;
+using XplorePlane.Services.AppState;
+using XplorePlane.Services.MainViewport;
+using XplorePlane.ViewModels;
+
+namespace XplorePlane.Tests.ViewModels
+{
+    /// <summary>
+    /// FsCheck property-based tests for ViewportPanelViewModel.
+    /// Properties 9–10 validate IsAnimatedSwitchEnabled logic and ImageInfo protection.
+    /// </summary>
+    public class ViewportPanelViewModelPropertyTests
+    {
+        // ── Helpers ──────────────────────────────────────────────────────────
+
+        /// <summary>
+        /// Runs an action on a dedicated STA thread with a SynchronizationContext,
+        /// which satisfies Prism's UIThread requirement for EventAggregator.
+        /// </summary>
+        private static T RunOnStaThread<T>(Func<T> action)
+        {
+            T result = default;
+            Exception exception = null;
+
+            var thread = new Thread(() =>
+            {
+                SynchronizationContext.SetSynchronizationContext(new DispatcherSynchronizationContext());
+                try
+                {
+                    result = action();
+                }
+                catch (Exception ex)
+                {
+                    exception = ex;
+                }
+            });
+            thread.SetApartmentState(ApartmentState.STA);
+            thread.Start();
+            thread.Join();
+
+            if (exception != null)
+                throw new Exception("STA thread threw an exception", exception);
+
+            return result;
+        }
+
+        // ── Property 9 ───────────────────────────────────────────────────────
+
+        // Feature: live-image-display, Property 9: AnimatedSwitch 可用状态与连接/CNC 状态一致
+        // Validates: Requirements 3.13, 7.5, 7.6
+        //
+        // For any combination of IsDetectorConnected and IsCncRunning,
+        // IsAnimatedSwitchEnabled always equals IsDetectorConnected && !IsCncRunning.
+        //
+        // The implementation in ViewportPanelViewModel computes:
+        //   IsAnimatedSwitchEnabled = _isDetectorConnected && !_isCncRunning
+        // We verify this formula holds for all boolean combinations.
+        [Property(MaxTest = 100)]
+        public Property IsAnimatedSwitchEnabled_AlwaysEqualsDetectorConnectedAndNotCncRunning()
+        {
+            var gen =
+                from isDetectorConnected in ArbMap.Default.GeneratorFor<bool>()
+                from isCncRunning in ArbMap.Default.GeneratorFor<bool>()
+                select (isDetectorConnected, isCncRunning);
+
+            return Prop.ForAll(
+                gen.ToArbitrary(),
+                tuple =>
+                {
+                    var (isDetectorConnected, isCncRunning) = tuple;
+
+                    // Run the entire test on a single STA thread with SynchronizationContext
+                    return RunOnStaThread(() =>
+                    {
+                        var mockViewport = new Mock<IMainViewportService>();
+                        mockViewport.Setup(s => s.CurrentDisplayImage).Returns((ImageSource)null);
+                        mockViewport.Setup(s => s.CurrentDisplayInfo).Returns("等待探测器图像...");
+                        mockViewport.Setup(s => s.IsRealtimeDisplayEnabled).Returns(true);
+                        mockViewport.Setup(s => s.IsCncRunning).Returns(isCncRunning);
+
+                        var mockAppState = new Mock<IAppStateService>();
+                        mockAppState.SetupAdd(s => s.DetectorStateChanged += It.IsAny<EventHandler<StateChangedEventArgs<DetectorState>>>());
+
+                        var mockLogger = new Mock<ILoggerService>();
+                        mockLogger.Setup(l => l.ForModule<ViewportPanelViewModel>()).Returns(mockLogger.Object);
+
+                        var eventAggregator = new EventAggregator();
+
+                        var vm = new ViewportPanelViewModel(
+                            mockViewport.Object,
+                            eventAggregator,
+                            mockAppState.Object,
+                            mockLogger.Object);
+
+                        // Simulate detector connection state change via DetectorStateChanged event.
+                        var detectorState = new DetectorState(isDetectorConnected, false, 0, "");
+                        var oldState = new DetectorState(!isDetectorConnected, false, 0, "");
+                        var stateChangedArgs = new StateChangedEventArgs<DetectorState>(oldState, detectorState);
+                        mockAppState.Raise(s => s.DetectorStateChanged += null, stateChangedArgs);
+
+                        // Pump the dispatcher to process BeginInvoke callbacks
+                        Dispatcher.CurrentDispatcher.Invoke(() => { }, DispatcherPriority.Background);
+
+                        // Simulate CNC running state via StateChanged on the viewport service
+                        mockViewport.Setup(s => s.IsCncRunning).Returns(isCncRunning);
+                        mockViewport.Raise(s => s.StateChanged += null, EventArgs.Empty);
+
+                        // Pump the dispatcher again
+                        Dispatcher.CurrentDispatcher.Invoke(() => { }, DispatcherPriority.Background);
+
+                        // The core invariant: IsAnimatedSwitchEnabled == IsDetectorConnected && !IsCncRunning
+                        return vm.IsAnimatedSwitchEnabled == (vm.IsDetectorConnected && !isCncRunning);
+                    });
+                });
+        }
+
+        // ── Property 10 ──────────────────────────────────────────────────────
+
+        // Feature: live-image-display, Property 10: 测量模式下 ImageInfo 不被覆盖
+        // Validates: Requirements 5.3
+        //
+        // For any active measurement mode (CurrentMeasurementMode != None) and any number
+        // of StateChanged triggers, ImageInfo always retains the measurement hint text
+        // and is not overwritten by service state.
+        //
+        // Implementation note: ViewportPanelViewModel.OnMainViewportStateChanged calls
+        //   UpdateFromState(updateInfo: CurrentMeasurementMode == MeasurementToolMode.None)
+        // When CurrentMeasurementMode != None, updateInfo is false, so ImageInfo is NOT updated.
+        // We verify this by directly setting CurrentMeasurementMode and triggering StateChanged.
+        [Property(MaxTest = 100)]
+        public Property ActiveMeasurementMode_ImageInfo_NotOverwrittenByStateChanged()
+        {
+            // Generate non-None measurement modes
+            var modeGen = Gen.Elements(
+                MeasurementToolMode.PointDistance,
+                MeasurementToolMode.PointLineDistance,
+                MeasurementToolMode.Angle,
+                MeasurementToolMode.ThroughHoleFillRate);
+
+            var gen =
+                from mode in modeGen
+                from triggerCount in Gen.Choose(1, 20)
+                select (mode, triggerCount);
+
+            return Prop.ForAll(
+                gen.ToArbitrary(),
+                tuple =>
+                {
+                    var (mode, triggerCount) = tuple;
+
+                    // Run the entire test on a single STA thread with SynchronizationContext
+                    return RunOnStaThread(() =>
+                    {
+                        var mockViewport = new Mock<IMainViewportService>();
+                        mockViewport.Setup(s => s.CurrentDisplayImage).Returns((ImageSource)null);
+                        mockViewport.Setup(s => s.CurrentDisplayInfo).Returns("等待探测器图像...");
+                        mockViewport.Setup(s => s.IsRealtimeDisplayEnabled).Returns(true);
+                        mockViewport.Setup(s => s.IsCncRunning).Returns(false);
+
+                        var mockAppState = new Mock<IAppStateService>();
+                        mockAppState.SetupAdd(s => s.DetectorStateChanged += It.IsAny<EventHandler<StateChangedEventArgs<DetectorState>>>());
+
+                        var mockLogger = new Mock<ILoggerService>();
+                        mockLogger.Setup(l => l.ForModule<ViewportPanelViewModel>()).Returns(mockLogger.Object);
+
+                        var eventAggregator = new EventAggregator();
+
+                        var vm = new ViewportPanelViewModel(
+                            mockViewport.Object,
+                            eventAggregator,
+                            mockAppState.Object,
+                            mockLogger.Object);
+
+                        // Directly set the measurement mode on the ViewModel.
+                        // This bypasses the UIThread event dispatch issue and directly
+                        // sets the backing field that controls ImageInfo protection.
+                        vm.CurrentMeasurementMode = mode;
+
+                        // Set ImageInfo to the measurement hint text (as OnMeasurementToolActivated would)
+                        vm.ImageInfo = vm.MeasurementModeText;
+                        string measurementInfo = vm.ImageInfo;
+
+                        // Verify measurement mode is active
+                        if (vm.CurrentMeasurementMode == MeasurementToolMode.None)
+                            return false;
+
+                        // Trigger StateChanged multiple times.
+                        // The handler calls BeginInvoke — we pump the dispatcher to process callbacks.
+                        for (int i = 0; i < triggerCount; i++)
+                        {
+                            mockViewport.Raise(s => s.StateChanged += null, EventArgs.Empty);
+                            // Pump the dispatcher to process BeginInvoke callbacks
+                            Dispatcher.CurrentDispatcher.Invoke(() => { }, DispatcherPriority.Background);
+                        }
+
+                        // ImageInfo must still be the measurement hint text, not the service info.
+                        // This holds because UpdateFromState is called with updateInfo: false
+                        // when CurrentMeasurementMode != None.
+                        return vm.ImageInfo == measurementInfo;
+                    });
+                });
+        }
+    }
+}