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