def test_1_many_ref_lookup_fetches_linked_objects(self):
author = LinkedAuthor(name='Kai Nang Piang Tshung')
post1 = LinkedPost(title='P1', content='A')
post2 = LinkedPost(title='P2', content='A')
post3 = LinkedPost(title='P3', content='A')
post4 = LinkedPost(title='B1', content='A')
post5 = LinkedPost(title='B2', content='A')
post6 = LinkedPost(title='B3', content='A')
author.posts = [post1, post2, post3, post4, post5, post6]
author.save()
author = LinkedAuthor(name='Khui Tsia Koi Tsuang Kai Low Rider')
post1 = LinkedPost(title='P1', content='B')
post2 = LinkedPost(title='P2', content='B')
post3 = LinkedPost(title='P3', content='B')
post4 = LinkedPost(title='B1', content='B')
post5 = LinkedPost(title='B2', content='B')
post6 = LinkedPost(title='B3', content='B')
author.posts = [post1, post2, post3, post4, post5, post6]
author.save()
results = LinkedAuthor.find() \
.include('posts',
LinkedPost.find(title={'$regex': 'B'}))\
.exec()
self.assertEqual(len(results), 2)
self.assertEqual(len(results[0].posts), 3)
self.assertEqual(len(results[1].posts), 3)
self.assertEqual(results[0].posts[0].title, 'B1')
self.assertEqual(results[0].posts[1].title, 'B2')
self.assertEqual(results[0].posts[2].title, 'B3')
self.assertEqual(results[1].posts[0].title, 'B1')
self.assertEqual(results[1].posts[1].title, 'B2')
self.assertEqual(results[1].posts[2].title, 'B3')
def test_fetched_objects_are_unmodified_1_many(self):
author = LinkedAuthor(name='Me')
post1 = LinkedPost(title='P1', content='A')
post2 = LinkedPost(title='P2', content='A')
author.posts = [post1, post2]
author.save()
authors = LinkedAuthor.find().include('posts').exec()
a = authors[0]
p1 = a.posts[0]
p2 = a.posts[1]
self.assertEqual(a.is_new, False)
self.assertEqual(a.is_modified, False)
self.assertEqual(a.modified_fields, ())
self.assertEqual(p1.is_new, False)
self.assertEqual(p1.is_modified, False)
self.assertEqual(p1.modified_fields, ())
self.assertEqual(p2.is_new, False)
self.assertEqual(p2.is_modified, False)
self.assertEqual(p2.modified_fields, ())