public void RegisterCommandHandler_HandlerIsNull_ThrowsArgumentNullException()
{
var command = (Command) new Random().Next(1, Enum.GetValues(typeof(Command)).Length);
Action handler = null;
var keyboardCommandService = new KeyboardCommandService();
Action invoke = () => keyboardCommandService.RegisterCommandHandler(command, handler);
invoke.Should().Throw <ArgumentNullException>().And.ParamName.Should().Be("handler");
}
public void SendCommand_CommandIsRegistered_HandlerGetsInvoked()
{
var command = ((Command) new Random().Next(1, Enum.GetValues(typeof(Command)).Length)).ToString();
var handlerCalled = false;
var keyboardCommandService = new KeyboardCommandService();
keyboardCommandService.RegisterCommandHandler(command, () => handlerCalled = true);
keyboardCommandService.SendCommand(command);
handlerCalled.Should().BeTrue();
}
public void DeregisterCommandHandler_CommandRegistered_HandlerGetsRemoved()
{
var command = ((Command) new Random().Next(1, Enum.GetValues(typeof(Command)).Length)).ToString();
var handler = _fixture.Create <Action>();
var keyboardCommandService = new KeyboardCommandService();
keyboardCommandService.RegisterCommandHandler(command, handler);
Action invoke = () => keyboardCommandService.DeregisterCommandHandler(command);
invoke.Should().NotThrow();
}
public void SendCommand_CommandIsRegistered_HandlerGetsInvoked()
{
var command = _fixture.Create <Command>();
var handlerCalled = false;
var keyboardCommandService = new KeyboardCommandService();
keyboardCommandService.RegisterCommandHandler(command, () => handlerCalled = true);
keyboardCommandService.SendCommand(command);
handlerCalled.Should().BeTrue();
}