diff options
Diffstat (limited to 'x509/test_base64utils.py')
| -rw-r--r-- | x509/test_base64utils.py | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/x509/test_base64utils.py b/x509/test_base64utils.py new file mode 100644 index 0000000..233465a --- /dev/null +++ b/x509/test_base64utils.py @@ -0,0 +1,197 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2013 Red Hat, Inc. +# +# 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. + +from keystone.common import base64utils + +import unittest + +base64_alphabet = ('ABCDEFGHIJKLMNOPQRSTUVWXYZ' + 'abcdefghijklmnopqrstuvwxyz' + '0123456789' + '+/=') # includes pad char + +base64url_alphabet = ('ABCDEFGHIJKLMNOPQRSTUVWXYZ' + 'abcdefghijklmnopqrstuvwxyz' + '0123456789' + '-_=') # includes pad char + + +class TestValid(unittest.TestCase): + def test_valid_base64(self): + self.assertTrue(base64utils.is_valid_base64('+/==')) + self.assertTrue(base64utils.is_valid_base64('+/+=')) + self.assertTrue(base64utils.is_valid_base64('+/+/')) + + self.assertFalse(base64utils.is_valid_base64('-_==')) + self.assertFalse(base64utils.is_valid_base64('-_-=')) + self.assertFalse(base64utils.is_valid_base64('-_-_')) + + self.assertTrue(base64utils.is_valid_base64('abcd')) + self.assertFalse(base64utils.is_valid_base64('abcde')) + self.assertFalse(base64utils.is_valid_base64('abcde==')) + self.assertFalse(base64utils.is_valid_base64('abcdef')) + self.assertTrue(base64utils.is_valid_base64('abcdef==')) + self.assertFalse(base64utils.is_valid_base64('abcdefg')) + self.assertTrue(base64utils.is_valid_base64('abcdefg=')) + self.assertTrue(base64utils.is_valid_base64('abcdefgh')) + + self.assertFalse(base64utils.is_valid_base64('-_==')) + + def test_valid_base64url(self): + self.assertFalse(base64utils.is_valid_base64url('+/==')) + self.assertFalse(base64utils.is_valid_base64url('+/+=')) + self.assertFalse(base64utils.is_valid_base64url('+/+/')) + + self.assertTrue(base64utils.is_valid_base64url('-_==')) + self.assertTrue(base64utils.is_valid_base64url('-_-=')) + self.assertTrue(base64utils.is_valid_base64url('-_-_')) + + self.assertTrue(base64utils.is_valid_base64url('abcd')) + self.assertFalse(base64utils.is_valid_base64url('abcde')) + self.assertFalse(base64utils.is_valid_base64url('abcde==')) + self.assertFalse(base64utils.is_valid_base64url('abcdef')) + self.assertTrue(base64utils.is_valid_base64url('abcdef==')) + self.assertFalse(base64utils.is_valid_base64url('abcdefg')) + self.assertTrue(base64utils.is_valid_base64url('abcdefg=')) + self.assertTrue(base64utils.is_valid_base64url('abcdefgh')) + + self.assertTrue(base64utils.is_valid_base64url('-_==')) + + +class TestBase64Padding(unittest.TestCase): + + def test_filter(self): + self.assertEqual(base64utils.filter_formatting(''), '') + self.assertEqual(base64utils.filter_formatting(' '), '') + self.assertEqual(base64utils.filter_formatting('a'), 'a') + self.assertEqual(base64utils.filter_formatting(' a'), 'a') + self.assertEqual(base64utils.filter_formatting('a '), 'a') + self.assertEqual(base64utils.filter_formatting('ab'), 'ab') + self.assertEqual(base64utils.filter_formatting(' ab'), 'ab') + self.assertEqual(base64utils.filter_formatting('ab '), 'ab') + self.assertEqual(base64utils.filter_formatting('a b'), 'ab') + self.assertEqual(base64utils.filter_formatting(' a b'), 'ab') + self.assertEqual(base64utils.filter_formatting('a b '), 'ab') + self.assertEqual(base64utils.filter_formatting('a\nb\n '), 'ab') + + text = ('ABCDEFGHIJKLMNOPQRSTUVWXYZ' + 'abcdefghijklmnopqrstuvwxyz' + '0123456789' + '+/=') + self.assertEqual(base64_alphabet, + base64utils.filter_formatting(text)) + + text = (' ABCDEFGHIJKLMNOPQRSTUVWXYZ\n' + ' abcdefghijklmnopqrstuvwxyz\n' + '\t\f\r' + ' 0123456789\n' + ' +/=') + self.assertEqual(base64_alphabet, + base64utils.filter_formatting(text)) + self.assertEqual(base64url_alphabet, + base64utils.base64_to_base64url(base64_alphabet)) + + text = ('ABCDEFGHIJKLMNOPQRSTUVWXYZ' + 'abcdefghijklmnopqrstuvwxyz' + '0123456789' + '-_=') + self.assertEqual(base64url_alphabet, + base64utils.filter_formatting(text)) + + text = (' ABCDEFGHIJKLMNOPQRSTUVWXYZ\n' + ' abcdefghijklmnopqrstuvwxyz\n' + '\t\f\r' + ' 0123456789\n' + '-_=') + self.assertEqual(base64url_alphabet, + base64utils.filter_formatting(text)) + + def test_alphabet_conversion(self): + self.assertEqual(base64url_alphabet, + base64utils.base64_to_base64url(base64_alphabet)) + + self.assertEqual(base64_alphabet, + base64utils.base64url_to_base64(base64url_alphabet)) + + def test_is_padded(self): + self.assertTrue(base64utils.base64_is_padded('ABCD')) + self.assertTrue(base64utils.base64_is_padded('ABC=')) + self.assertTrue(base64utils.base64_is_padded('AB==')) + + self.assertTrue(base64utils.base64_is_padded('1234ABCD')) + self.assertTrue(base64utils.base64_is_padded('1234ABC=')) + self.assertTrue(base64utils.base64_is_padded('1234AB==')) + + self.assertFalse(base64utils.base64_is_padded('ABC')) + self.assertFalse(base64utils.base64_is_padded('AB')) + self.assertFalse(base64utils.base64_is_padded('A')) + self.assertFalse(base64utils.base64_is_padded('')) + + self.assertRaises(base64utils.InvalidBase64Error, + base64utils.base64_is_padded, '=') + + self.assertRaises(base64utils.InvalidBase64Error, + base64utils.base64_is_padded, 'AB=C') + + self.assertRaises(base64utils.InvalidBase64Error, + base64utils.base64_is_padded, 'AB=') + + self.assertRaises(base64utils.InvalidBase64Error, + base64utils.base64_is_padded, 'ABCD=') + + def test_strip_padding(self): + self.assertEqual(base64utils.base64_strip_padding('ABCD'), 'ABCD') + self.assertEqual(base64utils.base64_strip_padding('ABC='), 'ABC') + self.assertEqual(base64utils.base64_strip_padding('AB=='), 'AB') + + def test_assure_padding(self): + self.assertEqual(base64utils.base64_assure_padding('ABCD'), 'ABCD') + self.assertEqual(base64utils.base64_assure_padding('ABC'), 'ABC=') + self.assertEqual(base64utils.base64_assure_padding('ABC='), 'ABC=') + self.assertEqual(base64utils.base64_assure_padding('AB'), 'AB==') + self.assertEqual(base64utils.base64_assure_padding('AB=='), 'AB==') + + def test_base64_percent_encoding(self): + self.assertEqual(base64utils.base64url_percent_encode('ABCD'), 'ABCD') + self.assertEqual(base64utils.base64url_percent_encode('ABC='), + 'ABC%3D') + self.assertEqual(base64utils.base64url_percent_encode('AB=='), + 'AB%3D%3D') + + self.assertEqual(base64utils.base64url_percent_decode('ABCD'), 'ABCD') + self.assertEqual(base64utils.base64url_percent_decode('ABC%3D'), + 'ABC=') + self.assertEqual(base64utils.base64url_percent_decode('AB%3D%3D'), + 'AB==') + + +class TestTextWrap(unittest.TestCase): + + def test_wrapping(self): + raw_text = 'abcdefgh' + wrapped_text = 'abc\ndef\ngh\n' + + self.assertEqual(base64utils.base64_wrap(raw_text, width=3), + wrapped_text) + + t = '\n'.join(base64utils.base64_wrap_iter(raw_text, width=3)) + '\n' + self.assertEqual(t, wrapped_text) + + raw_text = 'abcdefgh' + wrapped_text = 'abcd\nefgh\n' + + self.assertEqual(base64utils.base64_wrap(raw_text, width=4), + wrapped_text) |