def test_local_key_is_considered_modified_field_with_id_assign(self):
article = LKArticle(name='A', author=None)
author = LKAuthor(name='A')
setattr(author, '_is_new', False)
setattr(article, '_is_new', False)
article.author_id = author.id
self.assertEqual(article.modified_fields, ('author',))
def test_local_key_is_set_to_none_then_object_is_set_to_none(self):
author = LKAuthor(name='A')
article = LKArticle(name='A', author=author)
self.assertEqual(article.author, author)
self.assertEqual(author.articles[0], article)
article.author_id = None
self.assertEqual(article.author, None)
self.assertEqual(author.articles, [])
def test_set_local_key_resets_object(self):
author = LKAuthor(name='A')
article = LKArticle(name='A', author=author)
self.assertEqual(article.author, author)
self.assertEqual(author.articles[0], article)
article.author_id = 500
self.assertEqual(article.author, None)
self.assertEqual(author.articles, [])