Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_crypt.py @ 87690:66c1c9f32567 default tip

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Add use_weakref option to functools.lru_cache The use_weakref option makes lru_cache create weak references to the function arguments when creating the cache key, which prevents them from staying in the memory forever even after all other references to them are gone. This is a proof of concept for http://bugs.python.org/issue19859
author Radomir Dopieralski <devel@sheep.art.pl>
date Tue, 03 Dec 2013 16:02:48 +0100
parents 22b6b59c70e6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 from test import support
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2 import unittest
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4 crypt = support.import_module('crypt')
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6 class CryptTestCase(unittest.TestCase):
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8 def test_crypt(self):
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9 c = crypt.crypt('mypassword', 'ab')
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10 if support.verbose:
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11 print('Test encryption: ', c)
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13 def test_salt(self):
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14 self.assertEqual(len(crypt._saltchars), 64)
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15 for method in crypt.methods:
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16 salt = crypt.mksalt(method)
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17 self.assertEqual(len(salt),
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18 method.salt_chars + (3 if method.ident else 0))
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20 def test_saltedcrypt(self):
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21 for method in crypt.methods:
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22 pw = crypt.crypt('assword', method)
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23 self.assertEqual(len(pw), method.total_size)
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24 pw = crypt.crypt('assword', crypt.mksalt(method))
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25 self.assertEqual(len(pw), method.total_size)
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27 def test_methods(self):
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28 # Gurantee that METHOD_CRYPT is the last method in crypt.methods.
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29 self.assertTrue(len(crypt.methods) >= 1)
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30 self.assertEqual(crypt.METHOD_CRYPT, crypt.methods[-1])
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32 if __name__ == "__main__":
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33 unittest.main()