public void SuccessiveRegisterAndRemoveMediator()
{
// Get the Singleton View instance
IView view = View.Instance;
// Create and register the test mediator,
// but not so we have a reference to it
IMediator viewTestMediator = new ViewTestMediator(Thread.CurrentThread.Name, this);
string name = viewTestMediator.MediatorName;
view.RegisterMediator(viewTestMediator);
// test that we can retrieve it
Assert.IsTrue(view.RetrieveMediator(name) is ViewTestMediator, "Expecting view.retrieveMediator( ViewTestMediator.NAME ) is ViewTestMediator");
// Remove the Mediator
view.RemoveMediator(name);
// test that retrieving it now returns null
Assert.IsNull(view.RetrieveMediator(name), "Expecting view.retrieveMediator( ViewTestMediator.NAME ) == null");
// test that removing the mediator again once its gone doesn't cause crash
try
{
view.RemoveMediator(name);
}
catch
{
Assert.Fail("Expecting view.removeMediator( ViewTestMediator.NAME ) doesn't crash", null);
}
// Create and register another instance of the test mediator,
viewTestMediator = new ViewTestMediator(Thread.CurrentThread.Name, this);
name = viewTestMediator.MediatorName;
view.RegisterMediator(viewTestMediator);
Assert.IsTrue(view.RetrieveMediator(name) is ViewTestMediator, "Expecting view.retrieveMediator( ViewTestMediator.NAME ) is ViewTestMediator");
// Remove the Mediator
view.RemoveMediator(name);
// test that retrieving it now returns null
Assert.IsNull(view.RetrieveMediator(name), "Expecting view.retrieveMediator( ViewTestMediator.NAME ) == null");
}
public void RegisterAndRetrieveMediator()
{
// Get the Singleton View instance
IView view = View.Instance;
// Create and register the test mediator
IMediator viewTestMediator = new ViewTestMediator(Thread.CurrentThread.Name, this);
string name = viewTestMediator.MediatorName;
view.RegisterMediator(viewTestMediator);
// Retrieve the component
IMediator mediator = view.RetrieveMediator(name);
// test assertions
Assert.IsTrue(mediator is ViewTestMediator, "Expecting comp is ViewTestMediator");
// Remove our mediator
view.RemoveMediator(name);
}
/**
* Tests registering a Mediator for 3 different notifications, removing the
* Mediator from the View, and seeing that neither notification causes the
* Mediator to be notified. Added for the fix deployed in version 1.7
*/
public void TestRemoveMediatorAndSubsequentNotify()
{
// Get the Singleton View instance
IView view = View.Instance;
// Create and register the test mediator to be removed.
view.RegisterMediator(new ViewTestMediator2(this));
// Create and register the Mediator to remain
IMediator viewTestMediator = new ViewTestMediator(Thread.CurrentThread.Name, this);
string name = viewTestMediator.MediatorName;
view.RegisterMediator(viewTestMediator);
// test that notifications work
view.NotifyObservers(new Notification(NOTE1));
Assert.True(lastNotification == NOTE1, "Expecting lastNotification == NOTE1");
view.NotifyObservers(new Notification(NOTE2));
Assert.True(lastNotification == NOTE2, "Expecting lastNotification == NOTE2");
// Remove the Mediator
view.RemoveMediator(ViewTestMediator2.NAME);
// test that retrieving it now returns null
Assert.Null(view.RetrieveMediator(ViewTestMediator2.NAME), "Expecting view.retrieveMediator(ViewTestMediator2.NAME) == null");
// test that notifications no longer work
// (ViewTestMediator2 is the one that sets lastNotification
// on this component, and ViewTestMediator)
lastNotification = null;
view.NotifyObservers(new Notification(NOTE1));
Assert.True(lastNotification != NOTE1, "Expecting lastNotification != NOTE1");
view.NotifyObservers(new Notification(NOTE2));
Assert.True(lastNotification != NOTE2, "Expecting lastNotification != NOTE2");
Cleanup();
}
public void RemoveMediatorAndSubsequentNotify()
{
// Get the Singleton View instance
IView view = View.Instance;
// Create and register the test mediator to be removed.
view.RegisterMediator(new ViewTestMediator2(this));
// Create and register the Mediator to remain
IMediator viewTestMediator = new ViewTestMediator(Thread.CurrentThread.Name, this);
string name = viewTestMediator.MediatorName;
view.RegisterMediator(viewTestMediator);
// test that notifications work
view.NotifyObservers(new Notification(NOTE1));
Assert.IsTrue(lastNotification == NOTE1, "Expecting lastNotification == NOTE1");
view.NotifyObservers(new Notification(NOTE2));
Assert.IsTrue(lastNotification == NOTE2, "Expecting lastNotification == NOTE2");
// Remove the Mediator
view.RemoveMediator(ViewTestMediator2.NAME);
// test that retrieving it now returns null
Assert.IsNull(view.RetrieveMediator(ViewTestMediator2.NAME), "Expecting view.retrieveMediator(ViewTestMediator2.NAME) == null");
// test that notifications no longer work
// (ViewTestMediator2 is the one that sets lastNotification
// on this component, and ViewTestMediator)
lastNotification = null;
view.NotifyObservers(new Notification(NOTE1));
Assert.IsTrue(lastNotification != NOTE1, "Expecting lastNotification != NOTE1");
view.NotifyObservers(new Notification(NOTE2));
Assert.IsTrue(lastNotification != NOTE2, "Expecting lastNotification != NOTE2");
Cleanup();
}
public void SuccessiveRegisterAndRemoveMediator()
{
// Get the Singleton View instance
IView view = View.Instance;
// Create and register the test mediator,
// but not so we have a reference to it
IMediator viewTestMediator = new ViewTestMediator(Thread.CurrentThread.Name, this);
string name = viewTestMediator.MediatorName;
view.RegisterMediator(viewTestMediator);
// test that we can retrieve it
Assert.IsTrue(view.RetrieveMediator(name) is ViewTestMediator, "Expecting view.retrieveMediator( ViewTestMediator.NAME ) is ViewTestMediator");
// Remove the Mediator
view.RemoveMediator(name);
// test that retrieving it now returns null
Assert.IsNull(view.RetrieveMediator(name), "Expecting view.retrieveMediator( ViewTestMediator.NAME ) == null");
// test that removing the mediator again once its gone doesn't cause crash
try
{
view.RemoveMediator(name);
}
catch
{
Assert.Fail("Expecting view.removeMediator( ViewTestMediator.NAME ) doesn't crash", null);
}
// Create and register another instance of the test mediator,
viewTestMediator = new ViewTestMediator(Thread.CurrentThread.Name, this);
name = viewTestMediator.MediatorName;
view.RegisterMediator(viewTestMediator);
Assert.IsTrue(view.RetrieveMediator(name) is ViewTestMediator, "Expecting view.retrieveMediator( ViewTestMediator.NAME ) is ViewTestMediator");
// Remove the Mediator
view.RemoveMediator(name);
// test that retrieving it now returns null
Assert.IsNull(view.RetrieveMediator(name), "Expecting view.retrieveMediator( ViewTestMediator.NAME ) == null");
}
public void RegisterAndRetrieveMediator()
{
// Get the Singleton View instance
IView view = View.Instance;
// Create and register the test mediator
IMediator viewTestMediator = new ViewTestMediator(Thread.CurrentThread.Name, this);
string name = viewTestMediator.MediatorName;
view.RegisterMediator(viewTestMediator);
// Retrieve the component
IMediator mediator = view.RetrieveMediator(name);
// test assertions
Assert.IsTrue(mediator is ViewTestMediator, "Expecting comp is ViewTestMediator");
// Remove our mediator
view.RemoveMediator(name);
}
