public void Observers_ValidWrappedObjectInstance_ReturnsObserversOfWrappedObject()
{
// Setup
var sourceObject = new SimpleObservable(new object());
var context = new SimpleObservableWrappedObjectContext(sourceObject);
// Call & Assert
Assert.AreSame(sourceObject.Observers, context.Observers);
}
public void Constructor_ValidWrappedObjectInstance_ExpectedValues()
{
// Setup
var sourceObject = new SimpleObservable(new object());
// Call
var context = new SimpleObservableWrappedObjectContext(sourceObject);
// Assert
Assert.IsInstanceOf <IObservable>(context);
Assert.IsInstanceOf <WrappedObjectContextBase <IObservable> >(context);
Assert.AreSame(sourceObject, context.WrappedData);
CollectionAssert.IsEmpty(context.Observers);
}
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'
}
public void NotifyObservers_ObserverAttachedToWrappedData_ObserverIsNotified()
{
// Setup
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);
sourceObject.Attach(observer);
// Call
context.NotifyObservers();
// Assert
mocks.VerifyAll(); // Expect call UpdateObserver on 'observer'
}
