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Fixed #28758 -- Fixed RangeMax/MinValueValidators crash with unbound ranges.

This commit is contained in:
Imran Iqbal 2017-10-31 00:03:52 +00:00 committed by Tim Graham
parent 1b7780ea08
commit 3e7497a05e
2 changed files with 10 additions and 4 deletions
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4
django/contrib/postgres/validators.py
View File

@ -69,11 +69,11 @@ class KeysValidator:
class RangeMaxValueValidator(MaxValueValidator):
def compare(self, a, b):
return a.upper > b
return a.upper is None or a.upper > b
message = _('Ensure that this range is completely less than or equal to %(limit_value)s.')
class RangeMinValueValidator(MinValueValidator):
def compare(self, a, b):
return a.lower < b
return a.lower is None or a.lower < b
message = _('Ensure that this range is completely greater than or equal to %(limit_value)s.')

10
tests/postgres_tests/test_ranges.py
View File

@ -408,18 +408,24 @@ class TestValidators(PostgreSQLTestCase):
def test_max(self):
validator = RangeMaxValueValidator(5)
validator(NumericRange(0, 5))
msg = 'Ensure that this range is completely less than or equal to 5.'
with self.assertRaises(exceptions.ValidationError) as cm:
validator(NumericRange(0, 10))
self.assertEqual(cm.exception.messages[0], 'Ensure that this range is completely less than or equal to 5.')
self.assertEqual(cm.exception.messages[0], msg)
self.assertEqual(cm.exception.code, 'max_value')
with self.assertRaisesMessage(exceptions.ValidationError, msg):
validator(NumericRange(0, None)) # an unbound range
def test_min(self):
validator = RangeMinValueValidator(5)
validator(NumericRange(10, 15))
msg = 'Ensure that this range is completely greater than or equal to 5.'
with self.assertRaises(exceptions.ValidationError) as cm:
validator(NumericRange(0, 10))
self.assertEqual(cm.exception.messages[0], 'Ensure that this range is completely greater than or equal to 5.')
self.assertEqual(cm.exception.messages[0], msg)
self.assertEqual(cm.exception.code, 'min_value')
with self.assertRaisesMessage(exceptions.ValidationError, msg):
validator(NumericRange(None, 10)) # an unbound range
class TestFormField(PostgreSQLTestCase):