def test_N_moves_waypoint_east(self):
ship = WaypointShip()
ship.navigate("E2")
self.assertEqual(ship.position, travel.Coordinate(0, 0))
self.assertEqual(ship.waypoint_position, {"east": 12, "north": 1})
def test_N_moves_waypoint_from_north_to_south(self):
ship = WaypointShip()
ship.navigate("S2")
self.assertEqual(ship.position, travel.Coordinate(0, 0))
self.assertEqual(ship.waypoint_position, {"east": 10, "south": 1})
def test_N_moves_waypoint_to_zero_north(self):
ship = WaypointShip()
ship.navigate("S1")
self.assertEqual(ship.position, travel.Coordinate(0, 0))
self.assertEqual(ship.waypoint_position, {"east": 10, "north": 0})
def test_N_moves_waypoint_west_to_west_of_ship(self):
ship = WaypointShip()
ship.navigate("W11")
self.assertEqual(ship.position, travel.Coordinate(0, 0))
self.assertEqual(ship.waypoint_position, {"west": 1, "north": 1})
def test_two_steps_of_example(self):
ship = WaypointShip()
ship.navigate("F10")
ship.navigate("N3")
self.assertEqual(ship.position, travel.Coordinate(100, 10))
self.assertEqual(ship.waypoint_position, {"east": 10, "north": 4})
def test_ship_following_example_instructions(self):
example = ["F10", "N3", "F7", "R90", "F11"]
ship = FreeFloatingShip()
for i in example:
ship.navigate(i)
self.assertEqual(ship.heading, "south")
self.assertEqual(ship.position, travel.Coordinate(17, 8))
self.assertEqual(ship.manhattan_distance_travelled(), 25)
def test_four_steps_of_example(self):
ship = WaypointShip()
ship.navigate("F10")
ship.navigate("N3")
ship.navigate("F7")
ship.navigate("R90")
self.assertEqual(ship.position, travel.Coordinate(170, 38))
self.assertEqual(ship.waypoint_position, {"south": 10, "east": 4})
def test_whole_example(self):
ship = WaypointShip()
ship.navigate("F10")
ship.navigate("N3")
ship.navigate("F7")
ship.navigate("R90")
ship.navigate("F11")
self.assertEqual(ship.position, travel.Coordinate(214, -72))
self.assertEqual(ship.manhattan_distance_travelled(), 286)
def move_ship(times: int) -> None:
for _ in range(0, times):
print(f"starting: {self.position}")
print(f"waypoint: {self.waypoint_position}")
self.position = travel.Coordinate(
self.position.x + self.waypoint_position.get('east', 0) -
self.waypoint_position.get('west', 0),
self.position.y + self.waypoint_position.get('north', 0) -
self.waypoint_position.get('south', 0),
)
print(f"finished: {self.position}")
def test_ship_can_move_forward(self):
ship = FreeFloatingShip()
ship.navigate("F1")
self.assertEqual(ship.position, travel.Coordinate(1, 0))
self.assertEqual(ship.heading, "east")
def test_ship_starts_at_zero(self):
ship = FreeFloatingShip()
self.assertEqual(ship.position, travel.Coordinate(0, 0))
self.assertEqual(ship.heading, "east")
def __init__(self):
self.position: travel.Coordinate = travel.Coordinate(0, 0)
self.heading: str = "east"
def test_ship_can_rotate_and_move(self):
ship = FreeFloatingShip()
ship.navigate("R180")
ship.navigate("F4")
self.assertEqual(ship.heading, "west")
self.assertEqual(ship.position, travel.Coordinate(-4, 0))
def test_F10_moves_to_waypoint_and_waypoint_offset_does_not_change(self):
ship = WaypointShip()
ship.navigate("F10")
self.assertEqual(ship.position, travel.Coordinate(100, 10))
self.assertEqual(ship.waypoint_position, {"east": 10, "north": 1})
def __init__(self):
self.position: travel.Coordinate = travel.Coordinate(0, 0)
self.waypoint_position: travel.Coordinate = {'east': 10, 'north': 1}
def test_ship_can_move_south(self):
ship = FreeFloatingShip()
ship.navigate("S1")
self.assertEqual(ship.position, travel.Coordinate(0, 1))
self.assertEqual(ship.heading, "east")
def test_ship_can_move_west_more_than_one(self):
ship = FreeFloatingShip()
ship.navigate("W3")
self.assertEqual(ship.position, travel.Coordinate(-3, 0))
self.assertEqual(ship.heading, "east")
def test_ship_can_have_waypoint(self):
ship = WaypointShip()
self.assertEqual(ship.position, travel.Coordinate(0, 0))
self.assertEqual(ship.waypoint_position, {"east": 10, "north": 1})
