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Diffstat (limited to 'tests/many_to_many/tests.py')
| -rw-r--r-- | tests/many_to_many/tests.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/many_to_many/tests.py b/tests/many_to_many/tests.py index 53e870ddad..729f011446 100644 --- a/tests/many_to_many/tests.py +++ b/tests/many_to_many/tests.py @@ -92,6 +92,25 @@ class ManyToManyTests(TestCase): a5.authors.remove(user_2.username) self.assertSequenceEqual(a5.authors.all(), []) + def test_related_manager_refresh(self): + user_1 = User.objects.create(username="Jean") + user_2 = User.objects.create(username="Joe") + self.a3.authors.add(user_1.username) + self.assertSequenceEqual(user_1.article_set.all(), [self.a3]) + # Change the username on a different instance of the same user. + user_1_from_db = User.objects.get(pk=user_1.pk) + self.assertSequenceEqual(user_1_from_db.article_set.all(), [self.a3]) + user_1_from_db.username = "Paul" + self.a3.authors.set([user_2.username]) + user_1_from_db.save() + # Assign a different article. + self.a4.authors.add(user_1_from_db.username) + self.assertSequenceEqual(user_1_from_db.article_set.all(), [self.a4]) + # Refresh the instance with an evaluated related manager. + user_1.refresh_from_db() + self.assertEqual(user_1.username, "Paul") + self.assertSequenceEqual(user_1.article_set.all(), [self.a4]) + def test_add_remove_invalid_type(self): msg = "Field 'id' expected a number but got 'invalid'." for method in ["add", "remove"]: |