public void HandlerFactory_ThrowsInvalidDataException_OnGetHandlerWithNotFoundTypeAndNotRegisteredDefault()
{
//Arrange
var handlersDictionary = new Dictionary <Type, Func <IHandler> >();
var handlerFactory = new HandlersFactory(handlersDictionary, null);
//Act Assert
Assert.Throws <InvalidDataException>(() => handlerFactory.GetHandler(typeof(TestEvent)));
Assert.Throws <InvalidDataException>(() => handlerFactory.GetHandler(typeof(TestCommand)));
}
public void HandlerFactory_ReturnsDefaultHandler_OnGetHandlerWithNotFoundType()
{
//Arrange
var handlersDictionary = new Dictionary <Type, Func <IHandler> >();
var handlerFactory = new HandlersFactory(handlersDictionary, () => new DefaultHandler());
//Act
var handler = handlerFactory.GetHandler(typeof(TestEvent));
var handler2 = handlerFactory.GetHandler(typeof(TestCommand));
//Assert
Assert.IsAssignableFrom <DefaultHandler>(handler);
Assert.IsAssignableFrom <DefaultHandler>(handler2);
}
public void HandlerFactory_ReturnsValidHandler_OnGetHandler(Type eventType, Type handlerType)
{
//Arrange
var handlersDictionary = new Dictionary <Type, Func <IHandler> >();
handlersDictionary.Add(typeof(TestCommand), () => new ValidCommandHandler());
handlersDictionary.Add(typeof(TestEvent), () => new ValidEventHandler());
var handlerFactory = new HandlersFactory(handlersDictionary, null);
//Act
var handler = handlerFactory.GetHandler(eventType);
//Assert
Assert.IsAssignableFrom(handlerType, handler);
}