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31 lines
1.1 KiB
Python
31 lines
1.1 KiB
Python
import unittest
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from django.utils import checksums
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class TestUtilsChecksums(unittest.TestCase):
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def check_output(self, function, value, output=None):
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"""
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Check that function(value) equals output. If output is None,
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check that function(value) equals value.
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"""
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if output is None:
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output = value
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self.assertEqual(function(value), output)
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def test_luhn(self):
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f = checksums.luhn
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items = (
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(4111111111111111, True), ('4111111111111111', True),
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(4222222222222, True), (378734493671000, True),
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(5424000000000015, True), (5555555555554444, True),
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(1008, True), ('0000001008', True), ('000000001008', True),
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(4012888888881881, True), (1234567890123456789012345678909, True),
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(4111111111211111, False), (42222222222224, False),
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(100, False), ('100', False), ('0000100', False),
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('abc', False), (None, False), (object(), False),
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)
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for value, output in items:
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self.check_output(f, value, output)
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