public void RoboHelper_IsCordinateValid_Should_Throw_Correct_Exeption(string command, string exceptionMessage, int height, int width)
{
var commandSegments = RoboHelper.GetCommandSegments(command);
var moveAreaMock = new Mock <IMoveArea <int> >();
moveAreaMock.SetupGet(s => s.Width).Returns(width);
moveAreaMock.SetupGet(s => s.Height).Returns(height);
Action act = () => RoboHelper.IsCordinateValid <int>(commandSegments, moveAreaMock.Object);
act.Should().Throw <ArgumentException>().WithMessage(exceptionMessage);
}
private void ProcessInitialPlacement(string command)
{
var commandSegments = RoboHelper.GetCommandSegments(command);
//this will throw exception if the commads are invalid
//This is done this way so that the detail error messages are captured for ease of user
RoboHelper.IsCommandLineArgumentsValid(commandSegments);
//Check if the original cordinate is valid
RoboHelper.IsCordinateValid <T>(commandSegments, MoveArea);
//set the initial position
Position = new Cordinate <T>
{
X = (T)Convert.ChangeType(commandSegments.X, typeof(T)),
Y = (T)Convert.ChangeType(commandSegments.Y, typeof(T))
};
//set the initial direction
Direction = DirectionFactory <T, U> .Create(commandSegments.Direction);
}
public string ProcessAction(string command)
{
var commandSegments = RoboHelper.GetCommandSegments(command);
//check
if (commandSegments != null)
{
//this will throw exception if the commads are invalid
//This is done this way so that the detail error messages are captured for ease of user
RoboHelper.IsCommandLineArgumentsValid(commandSegments);
//Check if the original cordinate is valid
RoboHelper.IsCordinateValid <T>(commandSegments, MoveArea);
//set the new position
Position = new Cordinate <T>
{
X = (T)Convert.ChangeType(commandSegments.X, typeof(T)),
Y = (T)Convert.ChangeType(commandSegments.Y, typeof(T))
};
//set the new direction
Direction = DirectionFactory <T, U> .Create(commandSegments.Direction);
}
else
{
if (RoboHelper.IsValidReportAction(command))
{
return(new Report <T, U>().GetOutput(Position, Direction));
}
if (RoboHelper.IsPlaceExist(new string[] { command }))
{
throw new ArgumentException($"PLACE command missing arguments");
}
if (!RoboHelper.IsValidMoveAction(command))
{
throw new ArgumentException($"Invalid command line arguments");
}
if (Direction == null)
{
throw new InvalidOperationException("Robo unable to perform this command without initial direction");
}
if (Position == null)
{
throw new InvalidOperationException("Robo unable to perform this command without initial position");
}
//create the action
var action = ActionFactory <T, U> .Create(command);
//get the new direction
Direction = Direction.NextFacing(action);
//calculate the new position
Position = action.ComputeNewCordinate(Position, Step, MoveArea, Direction);
}
return(string.Empty);
}