def test_ship_rotation_right():
ship = Ship(Position(0, 0))
ship.rotate("R", 90)
assert ship.degrees == 270
ship.rotate("R", 90)
assert ship.degrees == 180
ship.rotate("R", 90)
assert ship.degrees == 90
ship.rotate("R", 270)
assert ship.degrees == 180
def test_ship_forward():
ship = Ship(Position(0, 0))
ship.forward(10)
assert ship.position == Position(10, 0)
ship.rotate("R", 180)
assert ship.position == Position(10, 0)
ship.forward(10)
assert ship.position == Position(0, 0)
ship.forward(30)
assert ship.position == Position(-30, 0)
def test_part2(self):
input = ["F10", "N3", "F7", "R90", "F11"]
ship = Ship()
ship.turnon_waypoint(10, 1)
ship.print()
ship.navigate(input)
self.assertEqual(ship.x, 214)
self.assertEqual(ship.y, -72)
self.assertEqual(ship.compute_distance(), 286)
def test_rotate_waypoint(self):
ship = Ship(170, 38)
ship.turnon_waypoint(10, 4)
ship.turn_right(90)
self.assertEqual(ship.x, 170)
self.assertEqual(ship.y, 38)
self.assertEqual(ship.wp_x, 4)
self.assertEqual(ship.wp_y, -10)
ship.go_forward(11)
self.assertEqual(ship.x, 214)
self.assertEqual(ship.y, -72)
self.assertEqual(ship.compute_distance(), 286)
def test_navigate_part1():
starting_position = Position(0, 0)
ship = Ship(starting_position)
for i in PART1_INSTR.split("\n")[:-1]:
navigate(ship, i)
assert ship.position == Position(17, -8)
assert ship.position.manhattan() == 25
def test_rotate_waypoint_special_cases(self):
ship = Ship(0, 0)
ship.turnon_waypoint(1, 0)
ship.turn_left(90)
self.assertEqual(ship.wp_x, 0)
self.assertEqual(ship.wp_y, 1)
ship.turn_left(90)
self.assertEqual(ship.wp_x, -1)
self.assertEqual(ship.wp_y, 0)
def test_navigate_part2():
starting_position = Position(0, 0)
waypoint = Position(10, 1)
ship = Ship(starting_position)
for i in PART1_INSTR.split("\n")[:-1]:
navigate(ship, i, waypoint)
assert ship.position == Position(214, -72)
assert ship.position.manhattan() == 286
def test_turn_right(self):
ship = Ship(17, 3, 0)
ship.turn_right(90)
ship.go_forward(11)
self.assertEqual(ship.x, 17)
self.assertEqual(ship.y, -8)
self.assertEqual(ship.compute_distance(), 25)
def test_part1(self):
input = ["F10", "N3", "F7", "R90", "F11"]
ship = Ship()
ship.print()
ship.navigate(input)
self.assertEqual(ship.x, 17)
self.assertEqual(ship.y, -8)
self.assertEqual(ship.compute_distance(), 25)
def test_part2_turn_left(self):
input = ["F10", "L180", "F10"]
ship = Ship()
ship.turnon_waypoint(10, 1)
# ship.print()
ship.navigate(input)
self.assertEqual(ship.x, 0)
self.assertEqual(ship.y, 0)
import pytest
from day12 import Ship
move_tests = [("N10", Ship(x=0, y=10, direction='E')),
("W10", Ship(x=-10, y=0, direction='E')),
("S10", Ship(x=0, y=-10, direction='E')),
("E10", Ship(x=10, y=0, direction='E')),
("F10", Ship(x=10, y=0, direction='E')),
("L90", Ship(x=0, y=0, direction='N')),
("L180", Ship(x=0, y=0, direction='W')),
("L270", Ship(x=0, y=0, direction='S')),
("R90", Ship(x=0, y=0, direction='S')),
("R180", Ship(x=0, y=0, direction='W')),
("R270", Ship(x=0, y=0, direction='N'))]
@pytest.fixture
def test_file_lines():
with open("test.txt") as f:
lines = f.read().rstrip('\n').split('\n')
return lines
@pytest.mark.parametrize("inp,exp_ship", move_tests)
def test_move(inp, exp_ship):
test_ship = Ship()
test_ship.move(inp)
assert test_ship == exp_ship
def test_trip(test_file_lines):
def test_trip(test_file_lines):
test_ship = Ship()
for line in test_file_lines:
test_ship.move(line)
assert test_ship.get_man_dist() == 25
def test_ship_rotation_left():
ship = Ship(Position(0, 0))
ship.rotate("L", 90)
assert ship.degrees == 90
ship.rotate("L", 90)
assert ship.degrees == 180
ship.rotate("L", 90)
assert ship.degrees == 270
ship.rotate("L", 90)
assert ship.degrees == 0
ship.rotate("L", 180)
assert ship.degrees == 180
def test_ship_starting_coords():
ship = Ship(Position(0, 0))
assert ship.position == Position(0, 0)
assert ship.degrees == 0
def testTurnRight180Deg(self):
the_ship = Ship()
the_ship.perform_action(make_action("R", 180))
self.assertEqual("W", the_ship.direction)
def testTurnLeft270Deg(self):
the_ship = Ship()
the_ship.perform_action(make_action("L", 270))
self.assertEqual("S", the_ship.direction)
def testTurnRight90Deg(self):
the_ship = Ship()
the_ship.perform_action({"type": "R", "value": 90})
self.assertEqual("S", the_ship.direction)
def test_move(inp, exp_ship):
test_ship = Ship()
test_ship.move(inp)
assert test_ship == exp_ship
