def test_should_return_only_survivors(self): """ .* ** => ** ** """ # GIVEN seed = set([(0, 0), (0, 1), (1, 1)]) game_of_life = GameOfLife(seed) expected_survivors = set([(0, 0), (0, 1), (1, 1)]) # WHEN survivors = game_of_life.get_survivors() # THEN self.assertEqual(expected_survivors, survivors)