private string ExecuteInstructions(IRover rover, IEnumerable <char> instructions, Point maximumMapCoordinate, Dictionary <string, string> lostCommands)
{
foreach (var instruction in instructions)
{
var newLocation = rover.ExecuteInstruction(instruction);
if (lostCommands.ContainsKey(rover.CurrentLocation.Description) && lostCommands[rover.CurrentLocation.Description] == newLocation.Description)
{
continue;
}
if (IsLost(newLocation, maximumMapCoordinate))
{
lostCommands[rover.CurrentLocation.Description] = newLocation.Description;
return(GetResult(rover.CurrentLocation, true));
}
rover.CurrentLocation = newLocation;
}
return(GetResult(rover.CurrentLocation, false));
}
public void RoverExecutesInstruction()
{
rover.CurrentLocation = new Location(9266, 90210, ORIENTATION.EAST);
var movedLocation = new Location(42, 600, ORIENTATION.SOUTH);
var mockMotor = new Mock <IMotor>();
mockMotor.Setup(m => m.Move(rover.CurrentLocation)).Returns(movedLocation);
mockMotorFactory.Setup(f => f.Construct('k')).Returns(mockMotor.Object);
var newLocation = rover.ExecuteInstruction('k');
Assert.That(newLocation, Is.EqualTo(movedLocation));
Assert.That(rover.CurrentLocation, Is.Not.EqualTo(movedLocation));
Assert.That(newLocation.Coordinate.X, Is.EqualTo(42));
Assert.That(newLocation.Coordinate.Y, Is.EqualTo(600));
Assert.That(newLocation.Orientation, Is.EqualTo(ORIENTATION.SOUTH));
Assert.That(rover.CurrentLocation.Coordinate.X, Is.EqualTo(9266));
Assert.That(rover.CurrentLocation.Coordinate.Y, Is.EqualTo(90210));
Assert.That(rover.CurrentLocation.Orientation, Is.EqualTo(ORIENTATION.EAST));
}