diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/many_to_many/tests.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/many_to_many/tests.py b/tests/many_to_many/tests.py index 79d0fa420c..b4314580ec 100644 --- a/tests/many_to_many/tests.py +++ b/tests/many_to_many/tests.py @@ -469,6 +469,19 @@ class ManyToManyTests(TestCase): self.a4.publications.set([], clear=True) self.assertQuerysetEqual(self.a4.publications.all(), []) + def test_set_existing_different_type(self): + # Existing many-to-many relations remain the same for values provided + # with a different type. + ids = set(Publication.article_set.through.objects.filter( + article__in=[self.a4, self.a3], + publication=self.p2, + ).values_list('id', flat=True)) + self.p2.article_set.set([str(self.a4.pk), str(self.a3.pk)]) + new_ids = set(Publication.article_set.through.objects.filter( + publication=self.p2, + ).values_list('id', flat=True)) + self.assertEqual(ids, new_ids) + def test_assign_forward(self): msg = ( "Direct assignment to the reverse side of a many-to-many set is " |