public void NotifyObservers_ObserverDetached_ObserverIsNoLongerNotified()
{
// Setup
var mocks = new MockRepository();
var observer = mocks.StrictMock <IObserver>();
mocks.ReplayAll();
var equalitySource = new object();
var sourceObject = new SimpleObservable(equalitySource);
var context = new SimpleObservableWrappedObjectContext(sourceObject);
context.Attach(observer);
context.Detach(observer);
// Call
context.NotifyObservers();
// Assert
mocks.VerifyAll(); // Expect no UpdateObserver calls on 'observer'
}
public void GivenContextWithAttachedObserver_WhenWrappedDataNotifiesObservers_ThenObserverIsNotified()
{
// Given
var mocks = new MockRepository();
var observer = mocks.StrictMock <IObserver>();
observer.Expect(o => o.UpdateObserver());
mocks.ReplayAll();
var equalitySource = new object();
var sourceObject = new SimpleObservable(equalitySource);
var context = new SimpleObservableWrappedObjectContext(sourceObject);
context.Attach(observer);
// When
sourceObject.NotifyObservers();
// Then
mocks.VerifyAll(); // Expect call UpdateObserver on 'observer'
}