public void RefuseToRegisterEventsWithDuplicateName()
{
var esm = new EventServiceManager();
Assert.That(() => esm.RegisterHandler(new EventHandler("Handler1")), Throws.Nothing);
Assert.That(() => esm.RegisterHandler(new EventHandler("Handler1")), Throws.TypeOf <ArgumentException>());
}
public void HandlerAndHandlerStubsBelongToTheSameNamespace()
{
var esm = new EventServiceManager();
Assert.That(() => esm.RegisterHandler(new EventHandlerStub(), "Handler1"), Throws.Nothing);
Assert.That(() => esm.RegisterHandler(new EventHandler("Handler1")), Throws.TypeOf <ArgumentException>());
}
public void RegisterDistinctHandlers()
{
var handler1 = new EventHandler("Handler1");
var handler2 = new EventHandler("Handler2");
var handler3 = new EventHandlerStub();
var esm = new EventServiceManager();
esm.RegisterHandler(handler1);
esm.RegisterHandler(handler2);
esm.RegisterHandler(handler3, "Handler3");
Assert.That(esm.GetHandler("Handler1"), Is.SameAs(handler1));
Assert.That(esm.GetHandler("Handler2"), Is.SameAs(handler2));
Assert.That(esm.GetHandler("Handler3"), Is.SameAs(handler3));
}
public void RefuseToRegisterHandlerStubWithNullName()
{
var esm = new EventServiceManager();
Assert.That(() => esm.RegisterHandler(new EventHandlerStub(), null), Throws.ArgumentNullException);
}
public void RefuseToRegisterNullHandlerStub()
{
var esm = new EventServiceManager();
Assert.That(() => esm.RegisterHandler(null, "Handler1"), Throws.ArgumentNullException);
}
public void UnknownHandlerRequestShouldReturnNull()
{
var esm = new EventServiceManager();
Assert.That(esm.GetHandler("Handler1"), Is.Null);
}
