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Fixed #5475 -- Added the Luhn check algorithm to django.utils.checksums so that

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localflavors don't have to reimplement it each time. Thanks, __hawkeye__.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@6569 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick 2007-10-20 13:40:20 +00:00
parent f20b254ccc
commit 18e1f56a41
2 changed files with 49 additions and 1 deletions
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28
tests/regressiontests/utils/tests.py
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@ -4,7 +4,7 @@ Tests for django.utils.
from unittest import TestCase
from django.utils import html
from django.utils import html, checksums
from timesince import timesince_tests
@ -116,6 +116,32 @@ class TestUtilsHtml(TestCase):
for value, output in items:
self.check_output(f, value, output)
class TestUtilsChecksums(TestCase):
def check_output(self, function, value, output=None):
"""
Check that function(value) equals output. If output is None,
check that function(value) equals value.
"""
if output is None:
output = value
self.assertEqual(function(value), output)
def test_luhn(self):
f = checksums.luhn
items = (
(4111111111111111, True), ('4111111111111111', True),
(4222222222222, True), (378734493671000, True),
(5424000000000015, True), (5555555555554444, True),
(1008, True), ('0000001008', True), ('000000001008', True),
(4012888888881881, True), (1234567890123456789012345678909, True),
(4111111111211111, False), (42222222222224, False),
(100, False), ('100', False), ('0000100', False),
('abc', False), (None, False), (object(), False),
)
for value, output in items:
self.check_output(f, value, output)
__test__ = {
'timesince_tests': timesince_tests,
}