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Code Issues 32 Releases Wiki Activity

Fixed #33033 -- Prevented models.DecimalField from accepting NaN values.

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This commit is contained in:
Chinmoy Chakraborty
2021-08-21 20:57:15 +05:30
committed by Mariusz Felisiak
parent 93f3b7a0ba
commit b7fd668b37
2 changed files with 15 additions and 0 deletions
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8
tests/model_fields/test_decimalfield.py
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@@ -1,3 +1,4 @@
import math
from decimal import Decimal
from django.core import validators
@@ -65,6 +66,13 @@ class DecimalFieldTests(TestCase):
bd = BigD.objects.get(pk=bd.pk)
self.assertEqual(bd.d, Decimal('12.9'))
def test_save_nan_invalid(self):
msg = '“nan” value must be a decimal number.'
with self.assertRaisesMessage(ValidationError, msg):
BigD.objects.create(d=float('nan'))
with self.assertRaisesMessage(ValidationError, msg):
BigD.objects.create(d=math.nan)
def test_fetch_from_db_without_float_rounding(self):
big_decimal = BigD.objects.create(d=Decimal('.100000000000000000000000000005'))
big_decimal.refresh_from_db()