public void GivenValidActionsShouldGuideRover(int roverX, int roverY, Heading roverHeading, int expectedX, int expectedY, Heading expectedHeading, params NavigationAction[] navigationActions)
{
var plateau = new Plateau(new Point(5, 5));
var rover = new Rover(new Point(roverX, roverY), roverHeading);
var navigationEngine = new NavigationEngine(plateau, rover);
navigationEngine.Guide(rover, navigationActions);
Assert.That(rover.CurrentCoordinates.X, Is.EqualTo(expectedX));
Assert.That(rover.CurrentCoordinates.Y, Is.EqualTo(expectedY));
Assert.That(rover.CurrentHeading, Is.EqualTo(expectedHeading));
}
public void GivenNavigationActionWouldMoveRoverShouldAddActionToCache()
{
var plateau = new Plateau(new Point(7, 7));
var initialX = 5;
var initialY = 4;
var initialHeading = Heading.East;
var rover = new Rover(new Point(initialX, initialY), initialHeading);
var navigationEngine = new NavigationEngine(plateau, rover);
navigationEngine.Guide(rover, NavigationAction.M);
Assert.That(navigationEngine.RoverActionsCache[rover], Is.Not.Empty);
}
public void GivenNavigationActionWouldRemoveRoverFromPlateauShouldNotAddActionToCache()
{
var plateau = new Plateau(new Point(5, 5));
var initialX = 5;
var initialY = 4;
var initialHeading = Heading.East;
var rover = new Rover(new Point(initialX, initialY), initialHeading);
var navigationEngine = new NavigationEngine(plateau, rover);
try
{
navigationEngine.Guide(rover, NavigationAction.M);
}
catch (InvalidOperationException)
{
// Do nothing
}
Assert.That(navigationEngine.RoverActionsCache[rover], Is.Empty);
}
public void GivenNavigationActionWouldRemoveRoverFromPlateauShouldResetRoversPosition()
{
var plateau = new Plateau(new Point(5, 5));
var initialX = 5;
var initialY = 4;
var initialHeading = Heading.East;
var rover = new Rover(new Point(initialX, initialY), initialHeading);
var navigationEngine = new NavigationEngine(plateau, rover);
try
{
navigationEngine.Guide(rover, NavigationAction.M);
}
catch (InvalidOperationException)
{
// Do nothing
}
Assert.That(rover.CurrentCoordinates.X, Is.EqualTo(initialX));
Assert.That(rover.CurrentCoordinates.Y, Is.EqualTo(initialY));
Assert.That(rover.CurrentHeading, Is.EqualTo(initialHeading));
}