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django/tests/regressiontests/utils/checksums.py

30 lines
1.1 KiB
Python

import unittest
from django.utils import checksums
class TestUtilsChecksums(unittest.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)