def test_get_spawn(self):
# Initial case, just test that it will return something acceptable
# The snake head is irrelevant here.
food_coords = self.spawn_manager_rect.get_spawn(Snake())
self.assertTrue(food_coords[0] >= 0)
self.assertTrue(food_coords[0] < 4)
self.assertTrue(food_coords[1] >= 0)
self.assertTrue(food_coords[1] < 6)
# Construct a snake that loops around itself.
snake = Snake()
snake.head = (3, 7)
snake.joints = [(6, 7), (6, 3), (5, 3), (5, 2), (7, 2), (7, 8), (3, 8)]
snake_squares = snake.enumerate_snake_squares()
# Repeat 100 times so that the test may include all branches
for _ in range(100):
food_coords = self.spawn_manager_playtest.get_spawn(snake)
self.assertTrue(food_coords not in snake_squares)
movements = (QuadraticGrid.Movements.UP, QuadraticGrid.Movements.DOWN,
QuadraticGrid.Movements.LEFT, QuadraticGrid.Movements.RIGHT)
for _ in range(100):
self.spawn_manager_playtest.note_movement(random.choice(movements))
for _ in range(100):
food_coords = self.spawn_manager_playtest.get_spawn(snake)
self.assertTrue(food_coords not in snake_squares)
def test_get_spawn(self):
snake = Snake()
snake.head = (3, 7)
snake.joints = [(6, 7), (6, 3), (5, 3), (5, 2), (7, 2), (7, 8), (3, 8)]
snake_squares = snake.enumerate_snake_squares()
for _ in range(100):
food_coords = self.spawn_manager.get_spawn(snake)
self.assertTrue(food_coords not in snake_squares)
def test_enumerate_snake_squares(self):
snake = Snake()
snake.head = (6, 7)
snake.joints = [(6, 4), (3, 4), (3, 3), (8, 3), (8, 0), (0, 0)]
expected_squares = set()
expected_squares.add((6, 7))
for r in range(8):
expected_squares.add((r, 0))
for c in range(3):
expected_squares.add((8, c))
for r in range(3, 9):
expected_squares.add((r, 3))
for r in range(3, 7):
expected_squares.add((r, 4))
for c in range(4, 7):
expected_squares.add((6, c))
self.assertEquals(expected_squares, snake.enumerate_snake_squares())