public RunnerFacade()
{
//It is possible with DI
var rotateLeftActionInvoker = new ActionDeciderByPositionActionInvoker(
new RotateLeftNActionInvoker(),
new RotateLeftSActionInvoker(),
new RotateLeftWActionInvoker(),
new RotateLeftEActionInvoker()
);
var rotaeRightActionInvoker = new ActionDeciderByPositionActionInvoker(
new RotateRightNActionInvoker(),
new RotateRightSActionInvoker(),
new RotateRightWActionInvoker(),
new RotateRightEActionInvoker()
);
var moveActionInvoker = new ActionDeciderByPositionActionInvoker(
new MoveNActionInvoker(),
new MoveSActionInvoker(),
new MoveWActionInvoker(),
new MoveEActionInvoker()
);
var singleCommandInvoker = new SingleCommandInvoker(moveActionInvoker, rotateLeftActionInvoker, rotaeRightActionInvoker);
commandInvoker = new MultipleCommandInvoker(singleCommandInvoker);
}
public void Move_IfCommandR_CallRActionInvoker()
{
var instance = new SingleCommandInvoker(MActionInvoker.Object, LActionInvoker.Object, RActionInvoker.Object);
instance.Move("R", null);
MActionInvoker.Verify(x => x.Move(null), Times.Never);
LActionInvoker.Verify(x => x.Move(null), Times.Never);
RActionInvoker.Verify(x => x.Move(null), Times.Once);
}
public void Move_IfCommandUnKnown_ThrowsException()
{
var instance = new SingleCommandInvoker(MActionInvoker.Object, LActionInvoker.Object, RActionInvoker.Object);
Assert.ThrowsException <System.Exception>(() => instance.Move("XYZ", null));
}
public void Move_IfCommandNull_ThrowsException()
{
var instance = new SingleCommandInvoker(MActionInvoker.Object, LActionInvoker.Object, RActionInvoker.Object);
Assert.ThrowsException <System.ArgumentNullException>(() => instance.Move(null, null));
}
