def test_is_max_generations_exceeded(self):
max_generations = 4
game = life.GameOfLife((self.rows, self.cols),
max_generations=max_generations)
game.curr_generation = self.grid
for _ in range(max_generations - 1):
game.step()
self.assertEqual(game.generations, max_generations)
self.assertTrue(game.is_max_generations_exceeded)
def test_can_update(self):
game = life.GameOfLife((self.rows, self.cols))
game.curr_generation = self.grid
tests_dir = os.path.dirname(__file__)
steps_path = os.path.join(tests_dir, "steps.txt")
with open(steps_path) as f:
steps = json.load(f)
num_updates = 0
for step in sorted(steps.keys(), key=int):
with self.subTest(step=step):
for _ in range(int(step) - num_updates):
game.curr_generation = game.get_next_generation()
num_updates += 1
self.assertEqual(steps[step], game.curr_generation)
def test_get_neighbours_for_right_side(self):
game = life.GameOfLife((self.rows, self.cols))
game.curr_generation = self.grid
neighbours = game.get_neighbours((2, 7))
self.assertEqual(5, len(neighbours))
self.assertEqual(2, sum(neighbours))
def test_get_neighbours_for_lower_right_corner(self):
game = life.GameOfLife((self.rows, self.cols))
game.curr_generation = self.grid
neighbours = game.get_neighbours((5, 7))
self.assertEqual(3, len(neighbours))
self.assertEqual(1, sum(neighbours))
def test_get_neighbours(self):
game = life.GameOfLife((self.rows, self.cols))
game.curr_generation = self.grid
neighbours = game.get_neighbours((2, 3))
self.assertEqual(8, len(neighbours))
self.assertEqual(4, sum(neighbours))
def test_can_create_a_random_grid(self):
game = life.GameOfLife((3, 3))
random.seed(12345)
grid = game.create_grid(randomize=True)
self.assertEqual([[1, 0, 1], [1, 0, 1], [1, 0, 1]], grid)
def test_can_create_an_empty_grid(self):
game = life.GameOfLife((3, 3))
grid = game.create_grid(randomize=False)
self.assertEqual([[0, 0, 0], [0, 0, 0], [0, 0, 0]], grid)
def test_is_not_changing(self):
game = life.GameOfLife((self.rows, self.cols))
game.curr_generation = self.grid
for _ in range(self.max_generations + 1):
game.step()
self.assertFalse(game.is_changing)
def test_is_changing(self):
game = life.GameOfLife((self.rows, self.cols))
game.curr_generation = self.grid
game.step()
self.assertTrue(game.is_changing)
def test_prev_generation_is_correct(self):
game = life.GameOfLife((self.rows, self.cols))
game.curr_generation = self.grid
game.step()
self.assertEqual(game.prev_generation, self.grid)
