public void forward_command_to_handler()
{
var command = new FooCommand();
var venga = new Venga();
venga.RegisterHandler(new FooHandler());
venga.Handle(command);
Assert.True(command.WasHandled);
}
public void throw_if_no_handler_registered_for_command()
{
var venga = new Venga();
var command = new FooCommand();
var exception = Record.Exception(() => venga.Handle(command));
Assert.NotNull(exception);
Assert.IsType <UnhandledCommandException>(exception);
Assert.Equal("No handler registered for FooCommand", exception.Message);
}
public void forward_same_command_to_multiple_different_handlers()
{
var venga = new Venga();
var command = new FooCommand();
var aFooHandler = new FooHandler();
var anotherFooHandler = new OtherFooHandler();
venga.RegisterHandler(aFooHandler);
venga.RegisterHandler(anotherFooHandler);
venga.Handle(command);
Assert.True(command.WasHandledBy.Any(handler => handler is FooHandler));
Assert.True(command.WasHandledBy.Any(handler => handler is OtherFooHandler));
}
public void forward_command_to_composite_handler()
{
var barCommand = new BarCommand();
var venga = new Venga();
var handlers = new List <HandleCommand <BarCommand> >
{
new BarHandler(),
new FakeLoggingBarHandler()
};
var compositeHandler = new CompositeHandler(handlers);
venga.RegisterHandler(compositeHandler);
venga.Handle(barCommand);
Assert.True(barCommand.WasHandled);
Assert.True(barCommand.WasLogged);
}