public void throws_exception_when_handler_does_NOT_implement_expected_interface()
{
var invalidHandlerInstanceType = typeof(object);
var builder = new MessageRegistrationBuilder().WithHandlerInstanceType(invalidHandlerInstanceType);
Assert.Throws <MessageRegistrationException>(() => builder.Build());
}
public void throws_exception_when_handler_closes_different_message_type_than_what_its_registered_with()
{
var handlerInstanceTypeStub = typeof(IMessageHandler <object>);
var messageInstanceTypeStub = typeof(FooMessage);
var builder = new MessageRegistrationBuilder()
.WithHandlerInstanceType(handlerInstanceTypeStub)
.WithMessageInstanceType(messageInstanceTypeStub);
Assert.Throws <MessageRegistrationException>(() => builder.Build());
}