public void TestRegisterAndRemoveMediator()
{
// Get the Multiton View instance
IView view = View.GetInstance("ViewTestKey5", () => new View("ViewTestKey5"));
// Create and register the test mediator
IMediator mediator = new Mediator("testing", this);
view.RegisterMediator(mediator);
// Remove the component
IMediator removedMediator = view.RemoveMediator("testing");
// assert that we have removed the appropriate mediator
Assert.IsTrue(removedMediator.MediatorName == "testing", "Expecting removedMediator.MediatorName == 'testing'");
// assert that the mediator is no longer retrievable
Assert.IsNull(view.RetrieveMediator("testing"), "Expecting view.RetrieveMediator('testing') == null");
}
public void TestOnRegisterAndOnRemove()
{
// Get the Multiton View instance
IView view = View.GetInstance("ViewTestKey6", () => new View("ViewTestKey6"));
// Create and register the test mediator
IMediator mediator = new ViewTestMediator4(this);
view.RegisterMediator(mediator);
// assert that onRegsiter was called, and the mediator responded by setting our boolean
Assert.IsTrue(onRegisterCalled, "Expecting onRegisterCalled == true");
//Remove the component
view.RemoveMediator(ViewTestMediator4.NAME);
// assert that the mediator is no longer retrievable
Assert.IsTrue(onRemoveCalled, "Expecting onRemoveCalled == true");
}
public void TestHasMediator()
{
// // register a Mediator
var view = View.GetInstance(() => new View());
// Create and register the test mediator
IMediator mediator = new Mediator("HasMediatorTest", this);
view.RegisterMediator(mediator);
// assert that the view.hasMediator method returns true
// for that mediator name
Assert.IsTrue(view.HasMediator("HasMediatorTest") == true, "Expecting view.HasMediator('HasMediatorTest') == true");
view.RemoveMediator("HasMediatorTest");
// assert that the view.hasMediator method returns false
// for that mediator name
Assert.IsTrue(view.HasMediator("HasMediatorTest") == false, "Expecting view.HasMediator('HasMediatorTest') == false");
}
public void TestGetInstanceThreadSafety()
{
var instances = new List <IView>();
for (var i = 0; i < 1000; i++)
{
new Thread(() =>
{
instances.Add(View.GetInstance("ThreadSafety", key => new View(key)));
}).Start();
}
// test assertions
for (int i = 1, count = instances.Count; i < count; i++)
{
Assert.AreEqual(instances[0], instances[i]);
}
View.GetInstance("ThreadSafety", key => new View(key));
}
public void TestRemoveOneOfTwoMediatorsAndSubsequentNotify()
{
// Get the Multiton View instance
IView view = View.GetInstance("ViewTestKey9", () => new View("ViewTestKey9"));
// Create and register that responds to notifications 1 and 2
view.RegisterMediator(new ViewTestMediator2(this));
// Create and register that responds to notification 3
view.RegisterMediator(new ViewTestMediator3(this));
// test that all 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");
view.NotifyObservers(new Notification(NOTE3));
Assert.IsTrue(lastNotification == NOTE3, "Expecting lastNotification == NOTE3");
// Remove the Mediator that responds to 1 and 2
view.RemoveMediator(ViewTestMediator2.NAME);
// test that retrieving it now returns null
Assert.IsTrue(view.RetrieveMediator(ViewTestMediator2.NAME) == null, "Expecting view.RetrieveMediator(ViewTestMediator2.NAME) == null");
// test that notifications no longer work
// for notifications 1 and 2, but still work for 3
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");
view.NotifyObservers(new Notification(NOTE3));
Assert.IsTrue(lastNotification == NOTE3, "Expecting lastNotification == NOTE3");
}
public void TestRegisterAndNotifyObserver()
{
// Get the Singleton View instance
var view = View.GetInstance(() => new View());
// Create observer, passing in notification method and context
var observer = new Observer(ViewTestMethod, this);
// Register Observer's interest in a particulat Notification with the View
view.RegisterObserver(ViewTestNote.NAME, observer);
// Create a ViewTestNote, setting
// a body value, and tell the View to notify
// Observers. Since the Observer is this class
// and the notification method is viewTestMethod,
// successful notification will result in our local
// viewTestVar being set to the value we pass in
// on the note body.
var note = ViewTestNote.Create(10);
view.NotifyObservers(note);
// test assertions
Assert.IsTrue(viewTestVar == 10, "Expecting viewTestVar = 10");
}
/// <summary>
/// Initialize the Singleton <c>Controller</c> instance
/// </summary>
/// <remarks>
/// <para>Called automatically by the constructor</para>
///
/// <para>
/// Please aware that if you are using a subclass of <c>View</c>
/// in your application, you should also subclass <c>Controller</c>
/// and override the <c>initializeController</c> method in the following way:
/// </para>
///
/// <c>
/// // ensure that the Controller is talking to my IView implementation
/// public override void initializeController()
/// {
/// view = MyView.Instance;
/// }
/// </c>
/// </remarks>
private void InitializeController()
{
m_view = View.GetInstance(m_multitonKey);
}
void InitializeController()
{
view = View.GetInstance(multitonKey, () => new View(multitonKey));
}
protected virtual void InitializeController()
{
view = View.GetInstance(() => new View());
}
/// <summary>
/// Initialize the Multiton <c>Controller</c> instance
/// </summary>
/// <remarks>
/// <para>Called automatically by the constructor</para>
/// <para>
/// Please aware that if you are using a subclass of <c>View</c>
/// in your application, you should also subclass <c>Controller</c>
/// and override the <c>initializeController</c> method in the following way:
/// </para>
/// <example>
/// <code>
/// // ensure that the Controller is talking to my IView implementation
/// public override void initializeController()
/// {
/// view = MyView.getInstance(multitonKey, () => new MyView(multitonKey));
/// }
/// </code>
/// </example>
/// </remarks>
protected virtual void InitializeController()
{
view = View.GetInstance(multitonKey, key => new View(key));
}
protected virtual void InitializeController()
{
IView tempView = new View(multitonKey);
view = View.GetInstance(multitonKey, tempView);
}
