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[1.9.x] Fixed #14368 -- Allowed setting a reverse OneToOne relation to None.

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Backport of 384ddbec1b from master
This commit is contained in:
Tim Graham
2015-10-08 18:48:57 -04:00
parent 4326ac687e
commit b646fbe4a7
2 changed files with 44 additions and 18 deletions
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16
tests/one_to_one/tests.py
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@@ -186,6 +186,22 @@ class OneToOneTests(TestCase):
self.assertEqual(self.p1.restaurant, self.r1)
self.assertEqual(self.p1.bar, self.b1)
def test_assign_none_reverse_relation(self):
p = Place.objects.get(name="Demon Dogs")
# Assigning None succeeds if field is null=True.
ug_bar = UndergroundBar.objects.create(place=p, serves_cocktails=False)
p.undergroundbar = None
self.assertIsNone(ug_bar.place)
ug_bar.save()
ug_bar.refresh_from_db()
self.assertIsNone(ug_bar.place)
def test_assign_none_null_reverse_relation(self):
p = Place.objects.get(name="Demon Dogs")
# Assigning None doesn't throw AttributeError if there isn't a related
# UndergroundBar.
p.undergroundbar = None
def test_related_object_cache(self):
""" Regression test for #6886 (the related-object cache) """