public void WhenGetPositionAndStateWithCommandNull()
{
var mockCommand = new Mock <ICommand>();
var mockRobot = new Mock <IRobot>();
var mockCalculator = new Mock <ICalculator>();
var rightPositionCalculator = new RightPositionCalculator(mockRobot.Object, mockCalculator.Object);
Assert.Throws <ArgumentException>(() => rightPositionCalculator.GetPositionAndState(null));
}
public void WhenGetPositionAndStateWithCommandRightFacingSouth()
{
var command = new Right();
var mockRobot = new Mock <IRobot>();
mockRobot.SetupGet(r => r.CurrentPosition).Returns(new Position(new Location(1, 1), Direction.South));
var mockCalculator = new Mock <ICalculator>();
var rightPositionCalculator = new RightPositionCalculator(mockRobot.Object, mockCalculator.Object);
var result = rightPositionCalculator.GetPositionAndState(command);
Assert.Equal(Direction.West, result.position.Direction);
}
public void WhenGetPositionAndStateWithCommandNonRight()
{
var command = new Left();
var mockRobot = new Mock <IRobot>();
mockRobot.SetupGet(r => r.CurrentPosition).Returns(new Position(new Location(1, 1), Direction.West));
var mockCalculator = new Mock <ICalculator>();
mockCalculator.Setup(c => c.GetPositionAndState(It.IsAny <ICommand>()));
var rightPositionCalculator = new RightPositionCalculator(mockRobot.Object, mockCalculator.Object);
var result = rightPositionCalculator.GetPositionAndState(command);
mockCalculator.Verify(c => c.GetPositionAndState(It.IsAny <ICommand>()));
}