public void UnregisterTheCallbackAction()
{
const string expectedName = "Nothing happened";
var action = new Action <TestDomainEvent>(x => x.NewName = "GOT IT");
DomainEvents.Register(action);
//Act
DomainEvents.Unregister(action);
//Assert nothing was called
var e = new TestDomainEvent()
{
NewName = expectedName
};
DomainEvents.Raise(e);
Assert.AreEqual(expectedName, e.NewName);
//Assert no registrations remaining
var actions = Local.Data[DomainEvents.DomainEventActionsKey] as List <Delegate>;
Assert.That(actions.IsEmpty());
}
public void NotUnregisterACallbackForAnotherInstance()
{
var myInstance = new TestHandlerClass("My instance");
const string expectedInstanceName = "Some other instance";
var someoneElsesInstance = new TestHandlerClass(expectedInstanceName);
DomainEvents.Register <TestDomainEvent>(myInstance.Handle);
DomainEvents.Register <TestDomainEvent>(someoneElsesInstance.Handle);
//Act
DomainEvents.Unregister <TestDomainEvent>(myInstance.Handle);
var actions = Local.Data[DomainEvents.DomainEventActionsKey] as List <Delegate>;
//Assert that only 1 handler is registered
Assert.That(actions.Count == 1);
//Assert that the correct handler is registered
var e = new TestDomainEvent();
DomainEvents.Raise(e);
Assert.That(e.NewName == expectedInstanceName);
}
public void Handle(TestDomainEvent e)
{
e.NewName = _instanceName;
}