def test_farmygame_update__updates_objects(mock_window):
sut = FarmyGame()
first_obj = MockGameObject()
second_obj = MockGameObject()
sut.game_objects.append(first_obj)
sut.game_objects.append(second_obj)
sut.update(0.34)
first_obj.update.assert_called_once_with(0.34)
second_obj.update.assert_called_once_with(0.34)
def test_farmygame_update__adds_new(mock_window):
sut = FarmyGame()
first_obj = MockGameObject()
first_obj.add_new()
second_obj = MockGameObject()
sut.game_objects.append(first_obj)
sut.game_objects.append(second_obj)
assert len(sut.game_objects) == 3
sut.update(0.34)
assert len(sut.game_objects) == 4
def test_farmygame_update__removes_dead(mock_window):
sut = FarmyGame()
first_obj = MockGameObject()
second_obj = MockGameObject(dead=True)
sut.game_objects.append(first_obj)
sut.game_objects.append(second_obj)
assert len(sut.game_objects) == 3
sut.update(0.34)
assert len(sut.game_objects) == 2
assert second_obj not in sut.game_objects
assert second_obj.delete.called