public void VariousOperations_PublishCorrectEvents()
{
ParameterizedTest
.TestCase <Action <ScreenLifecycleOperations>, IEvent>(x => x.Initialize(), ScreenEvents.Initialize())
.TestCase(x => x.Initialize(new Subject()), ScreenEvents.Initialize <Subject>())
.TestCase(x => x.Activate(), ScreenEvents.Activate)
.TestCase(x => x.Deactivate(), ScreenEvents.Deactivate)
.TestCase(x => x.RequestClose(), ScreenEvents.RequestClose)
.TestCase(x => x.Close(), ScreenEvents.Close)
.Run((lifecycleAction, expectedEvent) => {
List <IEvent> actualEvents = new List <IEvent>();
TestScreen screen = new TestScreen();
ScreenLifecycleOperations ops = new ScreenLifecycleOperations(Aggregator, screen);
AddEventHandlerForAllEvents(
screen,
handlerAction: actualEvents.Add,
includeExceptionOccured: true
);
lifecycleAction(ops);
IEvent actualEvent = actualEvents.SingleOrDefault();
Assert.AreEqual(expectedEvent, actualEvent);
});
}
public InitializableScreen(EventAggregator aggregator)
: base(aggregator)
{
Lifecycle.RegisterHandler(
ScreenEvents.Initialize(),
args => InitializeWasCalled = true
);
}
public LocatableScreen(EventAggregator aggregator)
: base(aggregator)
{
Lifecycle.RegisterHandler(
ScreenEvents.Initialize <BaseSubject>(),
args => Subject = args.Subject
);
}
protected void AttachEventHandlers()
{
AttachHandler(ScreenEvents.Initialize());
AttachHandler(ScreenEvents.Initialize <TestSubject>());
AttachHandler(ScreenEvents.Activate);
AttachHandler(ScreenEvents.Deactivate);
AttachHandler(ScreenEvents.RequestClose);
AttachHandler(ScreenEvents.Close);
AttachHandler(ScreenEvents.LifecycleExceptionOccured);
}
public ScreenMock(EventAggregator aggregator)
: base(aggregator)
{
RequestCloseResult = true;
Lifecycle.RegisterHandler(ScreenEvents.Initialize(), Initialize);
Lifecycle.RegisterHandler(ScreenEvents.Activate, OnActivate);
Lifecycle.RegisterHandler(ScreenEvents.Deactivate, OnDeactivate);
Lifecycle.RegisterHandler(ScreenEvents.RequestClose, OnRequestClose);
Lifecycle.RegisterHandler(ScreenEvents.Close, OnClose);
}
public void VariousOperations_WhenHandlerThrowsException_RaiseLifecycleExceptionOccuredEventAndThrowLifecycleException()
{
ParameterizedTest
.TestCase <Action <ScreenLifecycleOperations>, IEvent>(x => x.Initialize(), ScreenEvents.Initialize())
.TestCase(x => x.Initialize(new Subject()), ScreenEvents.Initialize <Subject>())
.TestCase(x => x.Activate(), ScreenEvents.Activate)
.TestCase(x => x.Deactivate(), ScreenEvents.Deactivate)
.TestCase(x => x.RequestClose(), ScreenEvents.RequestClose)
.TestCase(x => x.Close(), ScreenEvents.Close)
.Run((lifecycleAction, expectedEvent) => {
List <IEvent> actualEvents = new List <IEvent>();
TestScreen screen = new TestScreen();
ScreenLifecycleOperations ops = new ScreenLifecycleOperations(Aggregator, screen);
InvalidOperationException sourceException = new InvalidOperationException();
AddEventHandlerForAllEvents(
screen,
handlerAction: e => {
actualEvents.Add(e);
throw sourceException;
},
includeExceptionOccured: false
);
AddEventHandlerFor(
ScreenEvents.LifecycleExceptionOccured,
screen,
handlerAction: (ev, _) => actualEvents.Add(ev)
);
var exceptionExpr = AssertHelper.Throws <ScreenLifecycleException>(() =>
lifecycleAction(ops)
);
CollectionAssert.AreEquivalent(
new IEvent[] {
expectedEvent,
ScreenEvents.LifecycleExceptionOccured
},
actualEvents
);
Assert.AreEqual(sourceException, exceptionExpr.Exception.InnerException);
});
}
private void AddEventHandlerForAllEvents(
IScreenBase target,
Action <IEvent> handlerAction,
bool includeExceptionOccured = false
)
{
Action <IEvent, object> action = (ev, _) => handlerAction(ev);
AddEventHandlerFor(ScreenEvents.Initialize(), target, action);
AddEventHandlerFor(ScreenEvents.Initialize <Subject>(), target, action);
AddEventHandlerFor(ScreenEvents.Activate, target, action);
AddEventHandlerFor(ScreenEvents.Deactivate, target, action);
AddEventHandlerFor(ScreenEvents.RequestClose, target, action);
AddEventHandlerFor(ScreenEvents.Close, target, action);
if (includeExceptionOccured)
{
AddEventHandlerFor(ScreenEvents.LifecycleExceptionOccured, target, action);
}
}
public void CreatedState_HandlesEventsCorrectly()
{
ParameterizedTest
.TestCase(Success(LifecycleState.Created, TriggerEvent.Initialize, LifecycleState.Initialized, ScreenEvents.Initialize()))
.TestCase(Success(LifecycleState.Created, TriggerEvent.InitializeSubject, LifecycleState.Initialized, ScreenEvents.Initialize(), ScreenEvents.Initialize <TestSubject>()))
.TestCase(InvalidStateException(LifecycleState.Created, TriggerEvent.Activate))
.TestCase(InvalidStateException(LifecycleState.Created, TriggerEvent.Deactivate))
.TestCase(InvalidStateException(LifecycleState.Created, TriggerEvent.RequestClose))
.TestCase(InvalidStateException(LifecycleState.Created, TriggerEvent.Close))
.TestCase(InvalidStateException(LifecycleState.Created, TriggerEvent.LifecycleException))
.Run(ExecuteTestCase);
}
public ScreenWithInterfaceSubject(EventAggregator aggregator)
: base(aggregator)
{
Lifecycle.RegisterHandler(ScreenEvents.Initialize <ISubject>(), HandleInitialize);
}
public TestScreen(EventAggregator aggregator)
: base(aggregator)
{
Lifecycle.RegisterHandler(ScreenEvents.Initialize <TSubject>(), HandleInitialize);
}
