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authorPaulo <commonzenpython@gmail.com>2017-09-20 23:27:04 -0500
committerTim Graham <timograham@gmail.com>2017-11-09 11:40:34 -0500
commitee49306176a2d2f1751cb890bd607d42c7c09196 (patch)
treef79ff9ba8642a33f0720f6ac0ff684e038367091 /tests/one_to_one
parentebb998976e2889c669972ed3d1b372cc6a2b5229 (diff)
downloaddjango-ee49306176a2d2f1751cb890bd607d42c7c09196.tar.gz
Fixed #27710 -- Made Model.save() invalidate cached, stale relations after a primary key assignment.
Diffstat (limited to 'tests/one_to_one')
-rw-r--r--tests/one_to_one/tests.py10
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/one_to_one/tests.py b/tests/one_to_one/tests.py
index 314c56a60f..a3c84a9980 100644
--- a/tests/one_to_one/tests.py
+++ b/tests/one_to_one/tests.py
@@ -507,3 +507,13 @@ class OneToOneTests(TestCase):
pointer = ToFieldPointer.objects.create(target=target)
self.assertSequenceEqual(ToFieldPointer.objects.filter(target=target), [pointer])
self.assertSequenceEqual(ToFieldPointer.objects.filter(pk__exact=pointer), [pointer])
+
+ def test_cached_relation_invalidated_on_save(self):
+ """
+ Model.save() invalidates stale OneToOneField relations after a primary
+ key assignment.
+ """
+ self.assertEqual(self.b1.place, self.p1) # caches b1.place
+ self.b1.place_id = self.p2.pk
+ self.b1.save()
+ self.assertEqual(self.b1.place, self.p2)