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Fixed #27979 -- Made MySQL raise IntegrityError rather than OperationalError when saving negative numbers in PositiveInteger fields.

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This commit is contained in:
Tim Graham 2017-09-29 14:50:51 -04:00
parent 08c8c3ead9
commit dd82f33271
2 changed files with 14 additions and 2 deletions
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11
tests/model_fields/test_integerfield.py
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@ -1,6 +1,8 @@
import unittest
from django.core import validators
from django.core.exceptions import ValidationError
from django.db import connection, models
from django.db import IntegrityError, connection, models
from django.test import SimpleTestCase, TestCase
from .models import (
@ -151,6 +153,13 @@ class PositiveIntegerFieldTests(IntegerFieldTests):
model = PositiveIntegerModel
documented_range = (0, 2147483647)
@unittest.skipIf(connection.vendor == 'sqlite', "SQLite doesn't have a constraint.")
def test_negative_values(self):
p = PositiveIntegerModel.objects.create(value=0)
p.value = models.F('value') - 1
with self.assertRaises(IntegrityError):
p.save()
class ValidationTests(SimpleTestCase):