public void SubscribesToMessagesWithTagsCorrectly()
{
var messageMediator = new MessageMediator();
var recipient = new MessageRecipient();
Assert.AreEqual(0, recipient.MessagesReceivedViaMessageMediatorWithoutTag);
Assert.AreEqual(0, recipient.MessagesReceivedViaMessageMediatorWithTag);
recipient.SubscribeViaMessageMediatorHelper(messageMediator);
messageMediator.SendMessage("test", "tag");
messageMediator.SendMessage("test 2", "tag");
Assert.AreEqual(0, recipient.MessagesReceivedViaMessageMediatorWithoutTag);
Assert.AreEqual(2, recipient.MessagesReceivedViaMessageMediatorWithTag);
}
public void CleanUpKeepsNonGarbageCollectedHandlersRegistered()
{
var mediator = new MessageMediator();
var recipient = new MessageRecipient();
mediator.Register<string>(recipient, recipient.OnMessage);
mediator.CleanUp();
Assert.IsTrue(mediator.IsRegistered<string>(recipient, recipient.OnMessage));
}
public void UnregistersAllMethodsOfRecipient()
{
var mediator = new MessageMediator();
var recipient = new MessageRecipient();
mediator.Register<string>(recipient, recipient.OnMessage);
mediator.Register<string>(recipient, recipient.AnotherOnMessage);
mediator.Register<string>(recipient, recipient.YetAnotherOnMessage);
Assert.IsTrue(mediator.IsRegistered<string>(recipient, recipient.OnMessage));
Assert.IsTrue(mediator.IsRegistered<string>(recipient, recipient.AnotherOnMessage));
Assert.IsTrue(mediator.IsRegistered<string>(recipient, recipient.YetAnotherOnMessage));
mediator.UnregisterRecipient(recipient);
Assert.IsFalse(mediator.IsRegistered<string>(recipient, recipient.OnMessage));
Assert.IsFalse(mediator.IsRegistered<string>(recipient, recipient.AnotherOnMessage));
Assert.IsFalse(mediator.IsRegistered<string>(recipient, recipient.YetAnotherOnMessage));
}
public void ReturnsFalseForUnregisteredHandler()
{
var mediator = new MessageMediator();
var recipient = new MessageRecipient();
Assert.IsFalse(mediator.IsRegistered<string>(recipient, recipient.OnMessage));
Assert.IsFalse(mediator.Unregister<string>(recipient, recipient.OnMessage));
}
public void UnregistersRegisteredHandlerWithTag()
{
var mediator = new MessageMediator();
var recipient = new MessageRecipient();
mediator.Register<string>(recipient, recipient.OnMessage, "myTag");
Assert.IsTrue(mediator.IsRegistered<string>(recipient, recipient.OnMessage, "myTag"));
Assert.IsTrue(mediator.Unregister<string>(recipient, recipient.OnMessage, "myTag"));
Assert.IsFalse(mediator.IsRegistered<string>(recipient, recipient.OnMessage, "myTag"));
}
public void ReturnsFalseForHandlersClearedByGarbageCollector()
{
var mediator = new MessageMediator();
var sender = new MessageSender();
var recipient = new MessageRecipient();
mediator.Register<string>(recipient, recipient.OnMessage);
recipient = null;
GC.Collect();
Assert.IsFalse(sender.SendMessage(mediator, "test"));
Assert.AreEqual(0, mediator.GetRegisteredHandlers<string>().Count, "SendMessage should auto cleanup");
}
public void ReturnsTrueForRegisteredHandlersWithTag()
{
var mediator = new MessageMediator();
var sender = new MessageSender();
var recipient = new MessageRecipient();
// Double registration with separate tags is possible
mediator.Register<string>(recipient, recipient.OnMessage, "myTag");
mediator.Register<string>(recipient, recipient.OnMessage, "anotherTag");
Assert.IsTrue(sender.SendMessage(mediator, "test", "myTag"));
Assert.AreEqual(1, recipient.MessagesReceived);
}
public void ReturnsTrueForRegisteredHandlers()
{
var mediator = new MessageMediator();
var sender = new MessageSender();
var recipient = new MessageRecipient();
mediator.Register<string>(recipient, recipient.OnMessage);
Assert.IsTrue(sender.SendMessage(mediator, "test"));
Assert.AreEqual(1, recipient.MessagesReceived);
}
public void ReturnsFalseForUnregisteredHandlersWithTag()
{
var mediator = new MessageMediator();
var sender = new MessageSender();
var recipient = new MessageRecipient();
mediator.Register<string>(recipient, recipient.OnMessage);
Assert.IsFalse(sender.SendMessage(mediator, "test", "myTag"));
}
public void ReturnsFalsForDoubleRegistration()
{
var mediator = new MessageMediator();
var recipient = new MessageRecipient();
Assert.IsTrue(mediator.Register<string>(recipient, recipient.OnMessage));
Assert.IsFalse(mediator.Register<string>(recipient, recipient.OnMessage));
}
public void RegistersHandler()
{
var mediator = new MessageMediator();
var recipient = new MessageRecipient();
Assert.IsFalse(mediator.IsRegistered<string>(recipient, recipient.OnMessage));
mediator.Register<string>(recipient, recipient.OnMessage);
Assert.IsTrue(mediator.IsRegistered<string>(recipient, recipient.OnMessage));
}
public void ReturnsTrueWhenRegisteredWithAndWithoutTag()
{
var mediator = new MessageMediator();
var recipient = new MessageRecipient();
mediator.Register<string>(recipient, recipient.OnMessage, "myTag");
mediator.Register<string>(recipient, recipient.AnotherOnMessage);
Assert.IsTrue(mediator.IsMessageRegistered(typeof(string)));
}
public void ReturnsFalseWhenRegisteredWithTagButNotProvided()
{
var mediator = new MessageMediator();
var recipient = new MessageRecipient();
mediator.Register<string>(recipient, recipient.OnMessage, "myTag");
Assert.IsFalse(mediator.IsMessageRegistered(typeof(string)));
}
public void ReturnsTrueWhenRegistered()
{
var mediator = new MessageMediator();
var recipient = new MessageRecipient();
mediator.Register<string>(recipient, recipient.OnMessage);
Assert.IsTrue(mediator.IsMessageRegistered(typeof (string)));
}
public void CleanUpClearsGarbageCollectedHandlers()
{
var mediator = new MessageMediator();
var recipient = new MessageRecipient();
mediator.Register<string>(recipient, recipient.OnMessage);
recipient = null;
GC.Collect();
mediator.CleanUp();
Assert.AreEqual(0, mediator.GetRegisteredHandlers<string>().Count);
}