public string Execute(TextAdventureEngine engine, string[] parts)
{
var directionLabel = string.Empty;
if (RightSynonyms.Contains(parts.Last()))
{
engine.CurrentOrientation = DirectionCalculator.TurnRight(engine.CurrentOrientation);
directionLabel = "right";
}
if (LeftSynonyms.Contains(parts.Last()))
{
engine.CurrentOrientation = DirectionCalculator.TurnLeft(engine.CurrentOrientation);
directionLabel = "left";
}
if (BackwardsSynonyms.Contains(parts.Last()))
{
engine.CurrentOrientation = DirectionCalculator.Reverse(engine.CurrentOrientation);
directionLabel = "around";
}
return(directionLabel == string.Empty
? "I don't understand which way you want me to turn."
: $"You turn {directionLabel}.");
}
public void ReturnWestWhenTurnedLeftFromNorth()
{
Assert.Equal(DirectionCalculator.West, DirectionCalculator.TurnLeft(DirectionCalculator.North));
}
