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/tests/regressiontests/utils/checksums.py

https://code.google.com/p/mango-py/
Python | 29 lines | 21 code | 4 blank | 4 comment | 3 complexity | 0e1070e7283d55de530919bb4e6f4cd3 MD5 | raw file
 1import unittest
 2
 3from django.utils import checksums
 4
 5class TestUtilsChecksums(unittest.TestCase):
 6
 7    def check_output(self, function, value, output=None):
 8        """
 9        Check that function(value) equals output.  If output is None,
10        check that function(value) equals value.
11        """
12        if output is None:
13            output = value
14        self.assertEqual(function(value), output)
15
16    def test_luhn(self):
17        f = checksums.luhn
18        items = (
19            (4111111111111111, True), ('4111111111111111', True),
20            (4222222222222, True), (378734493671000, True),
21            (5424000000000015, True), (5555555555554444, True),
22            (1008, True), ('0000001008', True), ('000000001008', True),
23            (4012888888881881, True), (1234567890123456789012345678909, True),
24            (4111111111211111, False), (42222222222224, False),
25            (100, False), ('100', False), ('0000100', False),
26            ('abc', False), (None, False), (object(), False),
27        )
28        for value, output in items:
29            self.check_output(f, value, output)