public void It_starts_at_the_point_given()
{
var startingPosition = new Position(5, 5);
var rover = new MarsRover(startingPosition);
Assert.That(rover.Position, Is.EqualTo(startingPosition));
}
public void ProcessCommands(String commands, MarsRover rover)
{
foreach (var command in commands)
{
rover = ConsumeCommand(command, rover);
}
}
public void ProcessCommands(Char[] commands, MarsRover rover)
{
foreach (var command in commands)
{
ConsumeCommand(command, rover);
}
}
public MarsRover MoveRoverTo(MarsRover rover, Int32 xCoordinate, Int32 yCoordinate)
{
if (!MoveIsValid(rover, xCoordinate, yCoordinate))
{
return(rover);
}
var noObstacleFound = NoObstacleAt(xCoordinate, yCoordinate);
if (RoverCanBeMoved(xCoordinate, yCoordinate, noObstacleFound))
{
if (active)
{
gridMap[rover.XCoordinate, rover.YCoordinate] = VisitedSymbol;
gridMap[xCoordinate, yCoordinate] = RoverSymbol;
}
rover.XCoordinate = xCoordinate;
rover.YCoordinate = yCoordinate;
}
else if (XCoordinateOnOuterEdge(xCoordinate))
{
if (xCoordinate == -1)
{
gridMap[rover.XCoordinate, rover.YCoordinate] = VisitedSymbol;
rover.XCoordinate = gridWidth - 1;
gridMap[rover.XCoordinate, yCoordinate] = RoverSymbol;
}
else
{
gridMap[rover.XCoordinate, rover.YCoordinate] = VisitedSymbol;
rover.XCoordinate = 0;
gridMap[rover.XCoordinate, yCoordinate] = RoverSymbol;
}
}
else if (YCoordinateOnOuterEdge(yCoordinate))
{
if (yCoordinate == -1)
{
gridMap[rover.XCoordinate, rover.YCoordinate] = VisitedSymbol;
rover.YCoordinate = gridHeight - 1;
gridMap[xCoordinate, rover.YCoordinate] = RoverSymbol;
}
else
{
gridMap[rover.XCoordinate, rover.YCoordinate] = VisitedSymbol;
rover.YCoordinate = 0;
gridMap[xCoordinate, rover.YCoordinate] = RoverSymbol;
}
}
if (!noObstacleFound)
{
rover.AtObstacle = true;
rover.ObstableXCoordinate = xCoordinate;
rover.ObstableYCoordinate = yCoordinate;
}
return(rover);
}
public MarsRover MoveRoverTo(MarsRover rover, Int32 xCoordinate, Int32 yCoordinate)
{
if (!MoveIsValid(rover, xCoordinate, yCoordinate))
return rover;
var noObstacleFound = NoObstacleAt(xCoordinate, yCoordinate);
if (RoverCanBeMoved(xCoordinate, yCoordinate, noObstacleFound))
{
if (active)
{
gridMap[rover.XCoordinate, rover.YCoordinate] = VisitedSymbol;
gridMap[xCoordinate, yCoordinate] = RoverSymbol;
}
rover.XCoordinate = xCoordinate;
rover.YCoordinate = yCoordinate;
}
else if (XCoordinateOnOuterEdge(xCoordinate))
{
if (xCoordinate == -1)
{
gridMap[rover.XCoordinate, rover.YCoordinate] = VisitedSymbol;
rover.XCoordinate = gridWidth - 1;
gridMap[rover.XCoordinate, yCoordinate] = RoverSymbol;
}
else
{
gridMap[rover.XCoordinate, rover.YCoordinate] = VisitedSymbol;
rover.XCoordinate = 0;
gridMap[rover.XCoordinate, yCoordinate] = RoverSymbol;
}
}
else if (YCoordinateOnOuterEdge(yCoordinate))
{
if (yCoordinate == -1)
{
gridMap[rover.XCoordinate, rover.YCoordinate] = VisitedSymbol;
rover.YCoordinate = gridHeight - 1;
gridMap[xCoordinate, rover.YCoordinate] = RoverSymbol;
}
else
{
gridMap[rover.XCoordinate, rover.YCoordinate] = VisitedSymbol;
rover.YCoordinate = 0;
gridMap[xCoordinate, rover.YCoordinate] = RoverSymbol;
}
}
if (!noObstacleFound)
{
rover.AtObstacle = true;
rover.ObstableXCoordinate = xCoordinate;
rover.ObstableYCoordinate = yCoordinate;
}
return rover;
}
public void GridToStringWorks()
{
grid.PlaceObstacleAt(4, 4);
grid.PlaceObstacleAt(0, 0);
marsRover = new MarsRover(grid, 0, 4, DirectionConstants.East);
marsRover.RunRoverWithCommands("f");
var stringGrid = marsRover.PrintMap();
System.Diagnostics.Debug.WriteLine(stringGrid);
Assert.AreEqual(".R__X\n_____\n_____\n_____\nX____\n", stringGrid);
}
public void RoverStopsAtObstacleInMultiStepPath()
{
grid.PlaceObstacleAt(4, 4);
marsRover = new MarsRover(grid, 0, 0, DirectionConstants.East);
marsRover.RunRoverWithCommands("fflffrflffrf");
Assert.IsTrue(marsRover.AtObstacle);
var stringGrid = marsRover.PrintMap();
System.Diagnostics.Debug.WriteLine(stringGrid);
}
public void RoverStopsAtObstacleInPath(Char initialDirection)
{
grid.PlaceObstacleAt(1, 0);
grid.PlaceObstacleAt(2, 1);
grid.PlaceObstacleAt(0, 1);
grid.PlaceObstacleAt(1, 2);
marsRover = new MarsRover(grid, 1, 1, initialDirection);
marsRover.RunRoverWithCommands("f");
Assert.IsTrue(marsRover.AtObstacle);
var stringGrid = marsRover.PrintMap();
System.Diagnostics.Debug.WriteLine(stringGrid);
}
private Boolean MoveIsValid(MarsRover rover, Int32 xCoordinate, Int32 yCoordinate)
{
var xDiff = rover.XCoordinate - xCoordinate;
var yDiff = rover.YCoordinate - yCoordinate;
var yAxisMove = xDiff == 0 && Math.Abs(yDiff) == 1;
var xAxisMove = Math.Abs(xDiff) == 1 && yDiff == 0;
if (xAxisMove ^ yAxisMove)
{
return(true);
}
return(false);
}
public MarsRover PlaceRover(MarsRover rover, Int32 xCoordinate, Int32 yCoordinate, Char direction)
{
if (RoverCanBePlaced(xCoordinate, yCoordinate))
{
rover.XCoordinate = xCoordinate;
rover.YCoordinate = yCoordinate;
if (active)
{
gridMap[xCoordinate, yCoordinate] = RoverSymbol;
}
}
return(rover);
}
private MarsRover ConsumeCommand(Char command, MarsRover rover)
{
var lowercaseCommand = Char.ToLower(command);
if (lowercaseCommand == CommandConstants.Forward)
return roverModel.MoveForward(rover);
else if (lowercaseCommand == CommandConstants.Backwards)
return roverModel.MoveBackwards(rover);
else if (lowercaseCommand == CommandConstants.Right)
return roverModel.TurnRight(rover);
else if (lowercaseCommand == CommandConstants.Left)
return roverModel.TurnLeft(rover);
return rover;
}
private MarsRover ConsumeCommand(Char command, MarsRover rover)
{
var lowercaseCommand = Char.ToLower(command);
if (lowercaseCommand == CommandConstants.Forward)
{
return(roverModel.MoveForward(rover));
}
else if (lowercaseCommand == CommandConstants.Backwards)
{
return(roverModel.MoveBackwards(rover));
}
else if (lowercaseCommand == CommandConstants.Right)
{
return(roverModel.TurnRight(rover));
}
else if (lowercaseCommand == CommandConstants.Left)
{
return(roverModel.TurnLeft(rover));
}
return(rover);
}
public void Initialize()
{
marsRover = new MarsRover(new Grid(10000, 10000), InitialXCoordinate, InitialYCoordinate, InitialRoverDirection);
}
public void RoverFullMovement(Char initialDirection, Int32 initialXCoordinate, Int32 initialYCoordinate, String commands, Char endingDireciton, Int32 endingXCoordinate, Int32 endingYCoordinate)
{
var rover = new MarsRover(initialXCoordinate, initialYCoordinate, initialDirection);
rover.RunRoverWithCommands(commands);
Assert.That(rover.roverState.Direction, Is.EqualTo(endingDireciton));
Assert.That(rover.XCoordinate, Is.EqualTo(endingXCoordinate));
Assert.That(rover.YCoordinate, Is.EqualTo(endingYCoordinate));
}
public void VerifyRoverWrapsFromRightOfGridToLeft()
{
marsRover = new MarsRover(grid, 4, 0, DirectionConstants.East);
marsRover.RunRoverWithCommands("f");
Assert.AreEqual(0, marsRover.XCoordinate);
Assert.AreEqual(0, marsRover.YCoordinate);
marsRover.XCoordinate = 6;
var stringGrid = marsRover.PrintMap();
System.Diagnostics.Debug.WriteLine(stringGrid);
}
public void ProcessCommands(String commands, MarsRover rover)
{
foreach (var command in commands)
rover = ConsumeCommand(command, rover);
}
public void ProcessCommands(Char[] commands, MarsRover rover)
{
foreach (var command in commands)
ConsumeCommand(command, rover);
}
public CommandForward(MarsRover marsRover)
{
this.marsRover = marsRover;
}
public MarsRover PlaceRover(MarsRover rover, Int32 xCoordinate, Int32 yCoordinate, Char direction)
{
if (RoverCanBePlaced(xCoordinate, yCoordinate))
{
rover.XCoordinate = xCoordinate;
rover.YCoordinate = yCoordinate;
if (active)
gridMap[xCoordinate, yCoordinate] = RoverSymbol;
}
return rover;
}
public void RoverUnitVectors(Char initialDirection, String commands, Int32 endingXCoordinate, Int32 endingYCoordinate)
{
var rover = new MarsRover(InitialXCoordinate, InitialYCoordinate, initialDirection);
rover.RunRoverWithCommands(commands);
Assert.That(rover.XCoordinate, Is.EqualTo(endingXCoordinate));
Assert.That(rover.YCoordinate, Is.EqualTo(endingYCoordinate));
}
public void SetUp()
{
grid = new Grid(5, 5);
marsRover = new MarsRover(InitialXCoordinate, InitialYCoordinate, InitialRoverDirection);
}
private Boolean MoveIsValid(MarsRover rover, Int32 xCoordinate, Int32 yCoordinate)
{
var xDiff = rover.XCoordinate - xCoordinate;
var yDiff = rover.YCoordinate - yCoordinate;
var yAxisMove = xDiff == 0 && Math.Abs(yDiff) == 1;
var xAxisMove = Math.Abs(xDiff) == 1 && yDiff == 0;
if (xAxisMove ^ yAxisMove)
return true;
return false;
}
public void Initialize()
{
marsRover = new MarsRover(InitialXCoordinate, InitialYCoordinate, InitialRoverDirection);
}
public void RoverDirectionSetWithLowerCaseIsNorth()
{
var lowerCaseRover = new MarsRover(0, 0, DirectionConstants.North);
var roverDirection = lowerCaseRover.roverState.Direction;
Assert.That(InitialRoverDirection, Is.EqualTo(roverDirection));
}
public void VerifyRoverWrapsFromBottomOfGridToTheTop()
{
marsRover = new MarsRover(grid, 2, 0, DirectionConstants.South);
marsRover.RunRoverWithCommands("f");
Assert.AreEqual(2, marsRover.XCoordinate);
Assert.AreEqual(4, marsRover.YCoordinate);
var stringGrid = marsRover.PrintMap();
System.Diagnostics.Debug.WriteLine(stringGrid);
}
public void RoverTurning(Char initialDirection, String commands, Char endingDireciton)
{
var rover = new MarsRover(InitialXCoordinate, InitialYCoordinate, initialDirection);
rover.RunRoverWithCommands(commands);
Assert.That(rover.roverState.Direction, Is.EqualTo(endingDireciton));
}
