public void ShouldMarkLostLandmark()
{
// Arrange
var map = new Mock <IPlanetMap>();
var initialPosition = Coordinates.Zero;
var robot = new Robot(initialPosition, Orientation.North);
var destination = new Coordinates(0, 1);
var lostLandmark = new LostLandmark(destination);
map.Setup(m => m.GetNextCoordinates(It.IsAny <Coordinates>(), It.IsAny <Orientation>()))
.Returns(() => destination);
map.Setup(m => m.GetLandmarks())
.Returns(() => new Dictionary <Coordinates, IEnumerable <Landmark> > {
{ robot.Coordinates, new Landmark[0] }
});
map.Setup(m => m.IsOutOfBounds(It.IsAny <Coordinates>()))
.Returns(() => true);
// Act
MoveForwardAction.Instance.Execute(robot, map.Object);
// Assert
// Robot should have trouble
// Landmark should be added
robot.Troubles.OfType <LostRobotTrouble>().Should().HaveCount(1);
map.Verify(mock => mock.AddLandmark(It.IsAny <Coordinates>(), It.IsAny <Landmark>()), Times.Once());
}
public void ShouldIgnoreIfRobotWillBeLost()
{
// Arrange
var map = new Mock <IPlanetMap>();
var initialPosition = Coordinates.Zero;
var robot = new Robot(initialPosition, Orientation.North);
var destination = new Coordinates(0, 1);
var lostLandmark = new LostLandmark(destination);
map.Setup(m => m.GetNextCoordinates(It.IsAny <Coordinates>(), It.IsAny <Orientation>()))
.Returns(() => destination);
map.Setup(m => m.GetLandmarks())
.Returns(() => new Dictionary <Coordinates, IEnumerable <Landmark> > {
{ robot.Coordinates, new[] { lostLandmark } }
});
// Act
MoveForwardAction.Instance.Execute(robot, map.Object);
// Assert
// Robot should not move
robot.Coordinates.Should().Be(initialPosition);
}
