Fixed #35241 -- Cached model's full parent list.

co-authored-by: Keryn Knight <keryn@kerynknight.com>
co-authored-by: Natalia <124304+nessita@users.noreply.github.com>
co-authored-by: David Smith <smithdc@gmail.com>
co-authored-by: Paolo Melchiorre <paolo@melchiorre.org>

1 files changed, 10 insertions, 6 deletions

diff --git a/tests/model_meta/tests.py b/tests/model_meta/tests.py
index fef82661cd..0aa04d760d 100644
--- a/tests/model_meta/tests.py
+++ b/tests/model_meta/tests.py
@@ -325,15 +325,19 @@ class RelationTreeTests(SimpleTestCase):
         )
 
 
-class ParentListTests(SimpleTestCase):
-    def test_get_parent_list(self):
-        self.assertEqual(CommonAncestor._meta.get_parent_list(), [])
-        self.assertEqual(FirstParent._meta.get_parent_list(), [CommonAncestor])
-        self.assertEqual(SecondParent._meta.get_parent_list(), [CommonAncestor])
+class AllParentsTests(SimpleTestCase):
+    def test_all_parents(self):
+        self.assertEqual(CommonAncestor._meta.all_parents, ())
+        self.assertEqual(FirstParent._meta.all_parents, (CommonAncestor,))
+        self.assertEqual(SecondParent._meta.all_parents, (CommonAncestor,))
         self.assertEqual(
-            Child._meta.get_parent_list(), [FirstParent, SecondParent, CommonAncestor]
+            Child._meta.all_parents,
+            (FirstParent, SecondParent, CommonAncestor),
         )
 
+    def test_get_parent_list(self):
+        self.assertEqual(Child._meta.get_parent_list(), list(Child._meta.all_parents))
+
 
 class PropertyNamesTests(SimpleTestCase):
     def test_person(self):