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[4.1.x] Fixed #33902 -- Fixed Meta.constraints validation crash with F() expressions.

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Thanks Adam Zahradník for the report.

Bug in 667105877e.
Backport of 63884829ac from main
This commit is contained in:
Mariusz Felisiak 2022-08-09 06:08:48 +02:00
parent 8ea203d112
commit 6b0193146d
4 changed files with 27 additions and 6 deletions
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14
tests/constraints/tests.py
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@ -685,6 +685,20 @@ class UniqueConstraintTests(TestCase):
exclude={"color"},
)
def test_validate_expression_str(self):
constraint = models.UniqueConstraint("name", name="name_uniq")
msg = "Constraint “name_uniq” is violated."
with self.assertRaisesMessage(ValidationError, msg):
constraint.validate(
UniqueConstraintProduct,
UniqueConstraintProduct(name=self.p1.name),
)
constraint.validate(
UniqueConstraintProduct,
UniqueConstraintProduct(name=self.p1.name),
exclude={"name"},
)
def test_name(self):
constraints = get_constraints(UniqueConstraintProduct._meta.db_table)
expected_name = "name_color_uniq"