Ticket #24421: 24421-test.diff

tests/foreign_object/tests.py

@@ -302 +302 @@
         normal_members_lists = [list(g.members.all()) for g in Group.objects.all()]
         self.assertEqual(members_lists, normal_members_lists)
 
+    def test_reverse_query(self):
+        membership = Membership.objects.create(membership_country=self.usa, person=self.bob, group=self.cia)
+        self.assertQuerysetEqual(
+            Group.objects.filter(membership=1),
+            ['<Group: CIA>']
+        )
+        self.assertQuerysetEqual(
+            Group.objects.exclude(membership=1),
+            []
+        )
+
     def test_prefetch_related_m2m_reverse_works(self):
         Membership.objects.create(membership_country=self.usa, person=self.bob, group=self.cia)
         Membership.objects.create(membership_country=self.usa, person=self.jim, group=self.democrat)