diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/queries/tests.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/queries/tests.py b/tests/queries/tests.py index 4bacd9a1cc..514b0ee5d7 100644 --- a/tests/queries/tests.py +++ b/tests/queries/tests.py @@ -2939,3 +2939,19 @@ class Ticket20788Tests(TestCase): chapter__paragraph__page=page) self.assertQuerysetEqual( sentences_not_in_pub, [book2], lambda x: x) + +class RelatedLookupTypeTests(TestCase): + def test_wrong_type_lookup(self): + oa = ObjectA.objects.create(name="oa") + wrong_type = Order.objects.create(id=oa.pk) + ob = ObjectB.objects.create(name="ob", objecta=oa, num=1) + # Currently Django doesn't care if the object is of correct + # type, it will just use the objecta's related fields attribute + # (id) for model lookup. Making things more restrictive could + # be a good idea... + self.assertQuerysetEqual( + ObjectB.objects.filter(objecta=wrong_type), + [ob], lambda x: x) + self.assertQuerysetEqual( + ObjectB.objects.filter(objecta__in=[wrong_type]), + [ob], lambda x: x) |