public void ProgressObserver_StartAndStopObserving_ArgChecks()
{
// Can't test the overloaded without IProgressVisualizer since using GlobalService to get various services.
// StartObserving (IProgressController, IProgressVisualizer)
Exceptions.Expect <ArgumentNullException>(() => ProgressObserver.StartObserving(this.testController, (IProgressVisualizer)null));
Exceptions.Expect <ArgumentNullException>(() => ProgressObserver.StartObserving((IProgressController)null, this.testVisualizer));
Exceptions.Expect <ArgumentNullException>(() => ProgressObserver.StartObserving((IProgressController)null, (IProgressVisualizer)null));
// StartObserving (IServiceProvider, IProgressEvents,IProgressVisualizer)
Exceptions.Expect <ArgumentNullException>(() => ProgressObserver.StartObserving((IServiceProvider)null, this.progressEvents, this.testVisualizer));
Exceptions.Expect <ArgumentNullException>(() => ProgressObserver.StartObserving(this.testServiceProvider, this.progressEvents, null));
Exceptions.Expect <ArgumentNullException>(() => ProgressObserver.StartObserving(this.testServiceProvider, null, this.testVisualizer));
Exceptions.Expect <ArgumentNullException>(() => ProgressObserver.StartObserving((IServiceProvider)null, (IProgressEvents)null, (IProgressVisualizer)null));
// StopObserving
Exceptions.Expect <ArgumentNullException>(() => ProgressObserver.StopObserving(null));
// Invalid IProgressController
this.testController.Events.Steps = null;
Exceptions.Expect <InvalidOperationException>(() => ProgressObserver.StartObserving(this.testController, this.testVisualizer));
this.testController.Events = null;
Exceptions.Expect <InvalidOperationException>(() => ProgressObserver.StartObserving(this.testController, this.testVisualizer));
// Invalid IProgressEvents
Exceptions.Expect <InvalidOperationException>(() => ProgressObserver.StartObserving(this.testServiceProvider, this.progressEvents, this.testVisualizer));
}
public void ProgressObserver_StopObserving_Twice()
{
this.testSubject = ProgressObserver.StartObserving(this.testController, this.testVisualizer);
ProgressObserver.StopObserving(this.testSubject);
Assert.IsTrue(this.testSubject.IsDisposed, "Expecting to be disposed");
ProgressObserver.StopObserving(this.testSubject);
Assert.IsTrue(this.testSubject.IsDisposed, "Expecting to remain disposed");
}
public void ProgressObserver_StartAndStopObserving_OnBackgroundThread()
{
this.threadService.SetCurrentThreadIsUIThread(false);
this.testSubject = ProgressObserver.StartObserving(this.testController, this.testVisualizer);
Assert.AreSame(this.testVisualizer, this.testSubject.Visualizer, "Unexpected visualizer");
Assert.IsNotNull(this.testSubject, "Failed to create observer on a background thread");
Assert.IsFalse(this.testSubject.IsDisposed, "Not expecting to be disposed");
ProgressObserver.StopObserving(this.testSubject);
Assert.AreSame(this.testVisualizer, this.testSubject.Visualizer, "Unexpected visualizer");
Assert.IsTrue(this.testSubject.IsDisposed, "Expecting to be disposed");
}
public void ProgressObserver_StartAndStopObserving_OnForegroundThread()
{
this.threadService.SetCurrentThreadIsUIThread(true);
this.testSubject = ProgressObserver.StartObserving(this.testController, this.testVisualizer);
this.testSubject.Visualizer.Should().Be(this.testVisualizer, "Unexpected visualizer");
this.testSubject.Should().NotBeNull("Failed to create observer on a foreground thread");
this.testSubject.IsDisposed.Should().BeFalse("Not expecting to be disposed");
ProgressObserver.StopObserving(this.testSubject);
this.testSubject.Visualizer.Should().Be(this.testVisualizer, "Unexpected visualizer");
this.testSubject.IsDisposed.Should().BeTrue("Expecting to be disposed");
}
public void ProgressObserver_StartObserving_StateTransfer()
{
var observer = ProgressObserver.StartObserving(this.testController, this.testVisualizer);
ProgressObserver.StopObserving(observer);
this.CreateTestSubject(observer.State);
Assert.AreNotSame(this.testSubject.State, observer, "Test setup error: should be different");
Assert.AreSame(this.testSubject.State, observer.State, "The state should transfer");
Assert.IsFalse(this.testSubject.IsDisposed, "Not expecting to be disposed");
ProgressObserver.StopObserving(this.testSubject);
Assert.AreSame(this.testVisualizer, this.testSubject.Visualizer, "Unexpected visualizer");
Assert.IsTrue(this.testSubject.IsDisposed, "Expecting to be disposed");
}