def test_clone_is_separate_instance(self):
state = State(current_number=3, steps=[2, 4, 8])
cloned_state = state.clone()
op1 = Mock()
op1.operate.side_effect = add_four
state.apply(op1)
self.assertEqual(cloned_state.current_number, 3)
self.assertEqual(cloned_state.steps, [2, 4, 8])
def test_clone_values(self):
state = State(current_number=3, steps=[2, 4, 8])
cloned_state = state.clone()
self.assertEqual(cloned_state.current_number, 3)
self.assertEqual(cloned_state.steps, [2, 4, 8])