test_models.py 文件源码

def test_one_vollume_cant_have_multiple_root_chunks(self):
        new_chunk = VollumeChunk(
            vollume=self.vollume,
            author=create_and_save_dummy_user(username='Stevo'),
            text='top stuff'
        )
        with self.assertRaises(ValidationError) as caught:
            new_chunk.full_clean()
        error_messages = caught.exception.message_dict[NON_FIELD_ERRORS]
        self.assertIn("A Vollume can't have more than one starting paragraph.", error_messages)