From f2d5417d3b7a4012298fcffc6eab618cc09d0344 Mon Sep 17 00:00:00 2001 From: Paulo Date: Sun, 29 Oct 2017 12:01:04 +0100 Subject: [2.0.x] Fixed #28742 -- Fixed AttributeError crash when assigning None to cached reverse relations. Backport of fcfcf8aae470d893b0d2ef176434461edf9e9c4d from master --- tests/one_to_one/tests.py | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'tests') diff --git a/tests/one_to_one/tests.py b/tests/one_to_one/tests.py index 65257cf7dc..314c56a60f 100644 --- a/tests/one_to_one/tests.py +++ b/tests/one_to_one/tests.py @@ -196,6 +196,15 @@ class OneToOneTests(TestCase): # UndergroundBar. p.undergroundbar = None + def test_assign_none_to_null_cached_reverse_relation(self): + p = Place.objects.get(name='Demon Dogs') + # Prime the relation's cache with a value of None. + with self.assertRaises(Place.undergroundbar.RelatedObjectDoesNotExist): + getattr(p, 'undergroundbar') + # Assigning None works if there isn't a related UndergroundBar and the + # reverse cache has a value of None. + p.undergroundbar = None + def test_related_object_cache(self): """ Regression test for #6886 (the related-object cache) """ -- cgit v1.3