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Code Issues 32 Releases Wiki Activity

Fixed #31219 -- Fixed object deletion crash for nested protected related objects.

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This commit is contained in:
Matthias Kestenholz
2020-01-30 18:08:56 +01:00
committed by Mariusz Felisiak
parent 8c0c0235b6
commit 4e8d89020c
2 changed files with 12 additions and 4 deletions
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11
tests/delete/tests.py
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@@ -90,6 +90,17 @@ class OnDeleteTests(TestCase):
with self.assertRaisesMessage(ProtectedError, msg):
a.protect.delete()
def test_protect_path(self):
a = create_a('protect')
a.protect.p = P.objects.create()
a.protect.save()
msg = (
"Cannot delete some instances of model 'P' because they are "
"referenced through protected foreign keys: 'R.p'."
)
with self.assertRaisesMessage(ProtectedError, msg):
a.protect.p.delete()
def test_do_nothing(self):
# Testing DO_NOTHING is a bit harder: It would raise IntegrityError for a normal model,
# so we connect to pre_delete and set the fk to a known value.