def test_command_only_moves_till_it_stops(self):
landscape = ((0, 0, 0, 1, 0, 0),
(0, 1, 0, 0, 0, 0),
(0, 0, 0, 1, 0, 0),
(0, 0, 0, 0, 0, 1),
(0, 0, 1, 1, 1, 0),
(0, 0, 0, 0, 0, 0))
mars = Rover(landscape, (0, 0), Direction.E)
# We move two to the right, but the next one finds an obstacle
mars.command("F-F-F")
self.assertTrue(mars.is_direction(Direction.E))
self.assertTrue(mars.is_position((0,2)))
def test_command_little_journey(self):
landscape = ((0, 0, 0, 1, 0, 0),
(0, 1, 0, 0, 0, 0),
(0, 0, 0, 1, 0, 0),
(0, 0, 0, 0, 0, 1),
(0, 0, 1, 1, 1, 0),
(0, 0, 0, 0, 0, 0))
mars = Rover(landscape, (0, 0), Direction.E)
# We move two to the right, but the next one finds an obstacle
mars.command("F-F-F")
self.assertTrue(mars.is_direction(Direction.E))
self.assertTrue(mars.is_position((0,2)))
# We turn to the South and move three spaces, the next is an obstacle
mars.command("R-F-F-F-F")
self.assertTrue(mars.is_direction(Direction.S))
self.assertTrue(mars.is_position((3,2)))
# We turn to the West and move backwards two spaces, the next is an obstacle
mars.command("R-B-B-B")
self.assertTrue(mars.is_direction(Direction.W))
self.assertTrue(mars.is_position((3,4)))