public async Task When_InAsyncState_AndTransitionWithEvent_Than_GeneratedEventIsRaisedWhenNecessary(bool generateEvent)
{
// Arrange
var eventSut = CreateEventSut();
this.sut = eventSut;
var detectTaskCompletionSource = new TaskCompletionSource <bool>();
this.detectionManager.Setup(m => m.Detect()).Returns(detectTaskCompletionSource.Task);
await DoStateChange(new TestCommand());
await DoStateChange(new StartDetectionCommand());
this.detectionManager.Reset();
EventGeneratedEventArgs <GeneratedEventBase> generatedEvent = null;
eventSut.EventGenerated += (s, e) => { generatedEvent = e; };
// Act
await DoStateChange(new TransitionEventCommand(generateEvent));
// Assert
if (generateEvent)
{
Assert.IsType <FirstEvent>(generatedEvent.Event);
}
else
{
Assert.Null(generatedEvent);
}
}
public async Task When_TransitionEventCommand_Than_Transitions_To_TestState_And_GeneratedEventIsRaisedWhenNecessary(bool generateEvent)
{
// Arrange
var eventSut = CreateEventSut();
this.sut = eventSut;
var seq = new MockSequence();
this.transitionsTester.InSequence(seq).Setup(m => m.OnLeaveInitial(It.IsAny <InitialState>()));
this.transitionsTester.InSequence(seq).Setup(m => m.OnEnterTest(It.IsAny <TestState>()));
var transition = NextStateChanged().Timeout(TimeoutDuration);
EventGeneratedEventArgs <GeneratedEventBase> generatedEvent = null;
eventSut.EventGenerated += (s, e) => { generatedEvent = e; };
// Act
this.sut.Process(new TransitionEventCommand(generateEvent));
var e = await transition;
// Assert
Assert.IsType <TestState>(this.sut.CurrentState);
Assert.IsType <TestState>(e.CurrentState);
Assert.IsType <InitialState>(e.PreviousState);
if (generateEvent)
{
Assert.IsType <FirstEvent>(generatedEvent.Event);
}
else
{
Assert.Null(generatedEvent);
}
this.transitionsTester.Verify(m => m.OnLeaveInitial(It.IsAny <InitialState>()), Times.Once);
this.transitionsTester.Verify(m => m.OnEnterTest(It.IsAny <TestState>()), Times.Once);
}
