public string Command(string command)
{
var response = "";
InstructionArgs args = null;
var instruction = GetInstruction(command, ref args);
switch (instruction)
{
case Instruction.Place:
var placeArgs = (PlaceArgs)args;
response = _robotAction.Place(placeArgs.X, placeArgs.Y, placeArgs.Facing) ? "Command Success" : _robotAction.Error;
break;
case Instruction.Move:
response = _robotAction.Move() ? "Command Success" : _robotAction.Error;
break;
case Instruction.Left:
response = _robotAction.Left() ? "Command Success" : _robotAction.Error;
break;
case Instruction.Right:
response = _robotAction.Right() ? "Command Success" : _robotAction.Error;
break;
case Instruction.Report:
response = _robotAction.Report();
break;
case Instruction.Invalid:
response = @"Invalid command. The correct command formats are as follows:
PLACE X, Y, DIRECTION
MOVE
RIGHT
LEFT
REPORT
-------------
Please review your input and try again.";
break;
default:
response = @"Invalid command. The correct command formats are as follows:
PLACE X, Y, DIRECTION
MOVE
RIGHT
LEFT
REPORT
-------------
Please review your input and try again.";
break;
}
return(response);
}
public void Robot_NotPlaced_AndTryToMove()
{
var result = robotAction.Move();
Assert.IsFalse(result);
Assert.AreEqual("Robot cannot move until it has been placed on the table.", robotAction.Error);
}