1# Copyright 2015 Google Inc. All rights reserved.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14"""Unit tests for oauth2client._helpers."""
15
16import unittest2
17
18from oauth2client import _helpers
19
20
21class Test__parse_pem_key(unittest2.TestCase):
22
23    def test_valid_input(self):
24        test_string = b'1234-----BEGIN FOO BAR BAZ'
25        result = _helpers._parse_pem_key(test_string)
26        self.assertEqual(result, test_string[4:])
27
28    def test_bad_input(self):
29        test_string = b'DOES NOT HAVE DASHES'
30        result = _helpers._parse_pem_key(test_string)
31        self.assertEqual(result, None)
32
33
34class Test__json_encode(unittest2.TestCase):
35
36    def test_dictionary_input(self):
37        # Use only a single key since dictionary hash order
38        # is non-deterministic.
39        data = {u'foo': 10}
40        result = _helpers._json_encode(data)
41        self.assertEqual(result, '{"foo":10}')
42
43    def test_list_input(self):
44        data = [42, 1337]
45        result = _helpers._json_encode(data)
46        self.assertEqual(result, '[42,1337]')
47
48
49class Test__to_bytes(unittest2.TestCase):
50
51    def test_with_bytes(self):
52        value = b'bytes-val'
53        self.assertEqual(_helpers._to_bytes(value), value)
54
55    def test_with_unicode(self):
56        value = u'string-val'
57        encoded_value = b'string-val'
58        self.assertEqual(_helpers._to_bytes(value), encoded_value)
59
60    def test_with_nonstring_type(self):
61        value = object()
62        with self.assertRaises(ValueError):
63            _helpers._to_bytes(value)
64
65
66class Test__from_bytes(unittest2.TestCase):
67
68    def test_with_unicode(self):
69        value = u'bytes-val'
70        self.assertEqual(_helpers._from_bytes(value), value)
71
72    def test_with_bytes(self):
73        value = b'string-val'
74        decoded_value = u'string-val'
75        self.assertEqual(_helpers._from_bytes(value), decoded_value)
76
77    def test_with_nonstring_type(self):
78        value = object()
79        with self.assertRaises(ValueError):
80            _helpers._from_bytes(value)
81
82
83class Test__urlsafe_b64encode(unittest2.TestCase):
84
85    DEADBEEF_ENCODED = b'ZGVhZGJlZWY'
86
87    def test_valid_input_bytes(self):
88        test_string = b'deadbeef'
89        result = _helpers._urlsafe_b64encode(test_string)
90        self.assertEqual(result, self.DEADBEEF_ENCODED)
91
92    def test_valid_input_unicode(self):
93        test_string = u'deadbeef'
94        result = _helpers._urlsafe_b64encode(test_string)
95        self.assertEqual(result, self.DEADBEEF_ENCODED)
96
97
98class Test__urlsafe_b64decode(unittest2.TestCase):
99
100    def test_valid_input_bytes(self):
101        test_string = b'ZGVhZGJlZWY'
102        result = _helpers._urlsafe_b64decode(test_string)
103        self.assertEqual(result, b'deadbeef')
104
105    def test_valid_input_unicode(self):
106        test_string = b'ZGVhZGJlZWY'
107        result = _helpers._urlsafe_b64decode(test_string)
108        self.assertEqual(result, b'deadbeef')
109
110    def test_bad_input(self):
111        import binascii
112        bad_string = b'+'
113        with self.assertRaises((TypeError, binascii.Error)):
114            _helpers._urlsafe_b64decode(bad_string)
115