75 lines
2.0 KiB
Python
75 lines
2.0 KiB
Python
"""
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Test suite to check compilance with PEP 247, the standard API
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for hashing algorithms
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"""
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import warnings
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warnings.filterwarnings('ignore', 'the md5 module is deprecated.*',
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DeprecationWarning)
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warnings.filterwarnings('ignore', 'the sha module is deprecated.*',
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DeprecationWarning)
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import hmac
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import md5
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import sha
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import unittest
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from test import test_support
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class Pep247Test(unittest.TestCase):
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def check_module(self, module, key=None):
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self.assertTrue(hasattr(module, 'digest_size'))
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self.assertTrue(module.digest_size is None or module.digest_size > 0)
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if not key is None:
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obj1 = module.new(key)
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obj2 = module.new(key, 'string')
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h1 = module.new(key, 'string').digest()
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obj3 = module.new(key)
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obj3.update('string')
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h2 = obj3.digest()
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else:
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obj1 = module.new()
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obj2 = module.new('string')
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h1 = module.new('string').digest()
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obj3 = module.new()
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obj3.update('string')
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h2 = obj3.digest()
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self.assertEqual(h1, h2)
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self.assertTrue(hasattr(obj1, 'digest_size'))
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if not module.digest_size is None:
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self.assertEqual(obj1.digest_size, module.digest_size)
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self.assertEqual(obj1.digest_size, len(h1))
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obj1.update('string')
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obj_copy = obj1.copy()
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self.assertEqual(obj1.digest(), obj_copy.digest())
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self.assertEqual(obj1.hexdigest(), obj_copy.hexdigest())
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digest, hexdigest = obj1.digest(), obj1.hexdigest()
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hd2 = ""
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for byte in digest:
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hd2 += '%02x' % ord(byte)
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self.assertEqual(hd2, hexdigest)
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def test_md5(self):
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self.check_module(md5)
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def test_sha(self):
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self.check_module(sha)
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def test_hmac(self):
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self.check_module(hmac, key='abc')
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def test_main():
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test_support.run_unittest(Pep247Test)
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if __name__ == '__main__':
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test_main()
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