def test_first_step_from_unactivated_origin_with_dir_up_is_right(self):
ant = AntGrid()
ant.x, ant.y = 0, 0
ant.dir = "up"
ant.step()
self.assertEqual(1, ant.x)
self.assertEqual(0, ant.y)
def test_first_step_from_unactivated_origin_with_dir_up_is_right(self):
ant = AntGrid()
ant.x, ant.y = 0, 0
ant.dir = "up"
ant.step()
self.assertEqual(1, ant.x)
self.assertEqual(0, ant.y)
def test_ant_grid_turn_dir_right_to_left_when_activated(self):
ant = AntGrid()
ant.dir = "left"
ant.turn(activated=True)
self.assertEqual("down", ant.dir)
def test_ant_grid_turn_dir_right_to_left_when_unactivated(self):
ant = AntGrid()
ant.dir = "left"
ant.turn(activated=False)
self.assertEqual("up", ant.dir)
def test_ant_grid_turn_dir_right_to_left_when_activated(self):
ant = AntGrid()
ant.dir = "left"
ant.turn(activated=True)
self.assertEqual("down", ant.dir)
def test_ant_grid_turn_dir_right_to_left_when_unactivated(self):
ant = AntGrid()
ant.dir = "left"
ant.turn(activated=False)
self.assertEqual("up", ant.dir)
