Fixed #29653 -- Fixed missing related_query_name reverse accessor if GenericRelation is declared on an abstract base model.

Regression in 4ab027b94409e6415b774797bf9d3593da9d9ea8.

Thanks Lauri Kainulainen for the report.

2 files changed, 10 insertions, 1 deletions

diff --git a/tests/generic_relations_regress/models.py b/tests/generic_relations_regress/models.py
index f9cdb1b549..06f5888fbe 100644
--- a/tests/generic_relations_regress/models.py
+++ b/tests/generic_relations_regress/models.py
@@ -158,7 +158,7 @@ class SpecialGenericRelation(GenericRelation):
 
 
 class HasLinks(models.Model):
-    links = SpecialGenericRelation(Link)
+    links = SpecialGenericRelation(Link, related_query_name='targets')
 
     class Meta:
         abstract = True
diff --git a/tests/generic_relations_regress/tests.py b/tests/generic_relations_regress/tests.py
index 769a64d0f1..fc7447fa51 100644
--- a/tests/generic_relations_regress/tests.py
+++ b/tests/generic_relations_regress/tests.py
@@ -273,3 +273,12 @@ class GenericRelationTests(TestCase):
         link = Link.objects.create(content_object=place)
         result = Link.objects.filter(places=place)
         self.assertCountEqual(result, [link])
+
+    def test_generic_reverse_relation_with_abc(self):
+        """
+        The reverse generic relation accessor (targets) is created if the
+        GenericRelation comes from an abstract base model (HasLinks).
+        """
+        thing = HasLinkThing.objects.create()
+        link = Link.objects.create(content_object=thing)
+        self.assertCountEqual(link.targets.all(), [thing])