| # Copyright 2016 Google Inc. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import unittest |
| |
| import mock |
| |
| from oauth2client import _pkce |
| |
| |
| class PKCETests(unittest.TestCase): |
| |
| @mock.patch('oauth2client._pkce.os.urandom') |
| def test_verifier(self, fake_urandom): |
| canned_randomness = ( |
| b'\x98\x10D7\xf3\xb7\xaa\xfc\xdd\xd3M\xe2' |
| b'\xa3,\x06\xa0\xb0\xa9\xb4\x8f\xcb\xd0' |
| b'\xf5\x86N2p\x8c]!W\x9a\xed54\x99\x9d' |
| b'\x8dv\\\xa7/\x81\xf3J\x98\xc3\x90\xee' |
| b'\xb0\x8c\xb7Zc#\x05M0O\x08\xda\t\x1f\x07' |
| ) |
| fake_urandom.return_value = canned_randomness |
| expected = ( |
| b'mBBEN_O3qvzd003ioywGoLCptI_L0PWGTjJwjF0hV5rt' |
| b'NTSZnY12XKcvgfNKmMOQ7rCMt1pjIwVNME8I2gkfBw' |
| ) |
| result = _pkce.code_verifier() |
| self.assertEqual(result, expected) |
| |
| def test_verifier_too_long(self): |
| with self.assertRaises(ValueError) as caught: |
| _pkce.code_verifier(97) |
| self.assertIn("too long", str(caught.exception)) |
| |
| def test_verifier_too_short(self): |
| with self.assertRaises(ValueError) as caught: |
| _pkce.code_verifier(30) |
| self.assertIn("too short", str(caught.exception)) |
| |
| def test_challenge(self): |
| result = _pkce.code_challenge(b'SOME_VERIFIER') |
| expected = b'6xJCQsjTtS3zjUwd8_ZqH0SyviGHnp5PsHXWKOCqDuI' |
| self.assertEqual(result, expected) |