source: python/trunk/Lib/test/test_base64.py

Last change on this file was 391, checked in by dmik, 11 years ago

python: Merge vendor 2.7.6 to trunk.
  • Property svn:eol-style set to native
File size: 9.2 KB
Line 
1import unittest
2from test import test_support
3import base64
4
5
6
7
8class LegacyBase64TestCase(unittest.TestCase):
9 def test_encodestring(self):
10 eq = self.assertEqual
11 eq(base64.encodestring("www.python.org"), "d3d3LnB5dGhvbi5vcmc=\n")
12 eq(base64.encodestring("a"), "YQ==\n")
13 eq(base64.encodestring("ab"), "YWI=\n")
14 eq(base64.encodestring("abc"), "YWJj\n")
15 eq(base64.encodestring(""), "")
16 eq(base64.encodestring("abcdefghijklmnopqrstuvwxyz"
17 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
18 "0123456789!@#0^&*();:<>,. []{}"),
19 "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
20 "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
21 "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n")
22 # Non-bytes
23 eq(base64.encodestring(bytearray('abc')), 'YWJj\n')
24
25 def test_decodestring(self):
26 eq = self.assertEqual
27 eq(base64.decodestring("d3d3LnB5dGhvbi5vcmc=\n"), "www.python.org")
28 eq(base64.decodestring("YQ==\n"), "a")
29 eq(base64.decodestring("YWI=\n"), "ab")
30 eq(base64.decodestring("YWJj\n"), "abc")
31 eq(base64.decodestring("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
32 "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
33 "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n"),
34 "abcdefghijklmnopqrstuvwxyz"
35 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
36 "0123456789!@#0^&*();:<>,. []{}")
37 eq(base64.decodestring(''), '')
38 # Non-bytes
39 eq(base64.decodestring(bytearray("YWJj\n")), "abc")
40
41 def test_encode(self):
42 eq = self.assertEqual
43 from cStringIO import StringIO
44 infp = StringIO('abcdefghijklmnopqrstuvwxyz'
45 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
46 '0123456789!@#0^&*();:<>,. []{}')
47 outfp = StringIO()
48 base64.encode(infp, outfp)
49 eq(outfp.getvalue(),
50 'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE'
51 'RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT'
52 'Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n')
53
54 def test_decode(self):
55 from cStringIO import StringIO
56 infp = StringIO('d3d3LnB5dGhvbi5vcmc=')
57 outfp = StringIO()
58 base64.decode(infp, outfp)
59 self.assertEqual(outfp.getvalue(), 'www.python.org')
60
61
62
63
64class BaseXYTestCase(unittest.TestCase):
65 def test_b64encode(self):
66 eq = self.assertEqual
67 # Test default alphabet
68 eq(base64.b64encode("www.python.org"), "d3d3LnB5dGhvbi5vcmc=")
69 eq(base64.b64encode('\x00'), 'AA==')
70 eq(base64.b64encode("a"), "YQ==")
71 eq(base64.b64encode("ab"), "YWI=")
72 eq(base64.b64encode("abc"), "YWJj")
73 eq(base64.b64encode(""), "")
74 eq(base64.b64encode("abcdefghijklmnopqrstuvwxyz"
75 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
76 "0123456789!@#0^&*();:<>,. []{}"),
77 "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
78 "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"
79 "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==")
80 # Test with arbitrary alternative characters
81 eq(base64.b64encode('\xd3V\xbeo\xf7\x1d', altchars='*$'), '01a*b$cd')
82 # Non-bytes
83 eq(base64.b64encode(bytearray('abcd')), 'YWJjZA==')
84 self.assertRaises(TypeError, base64.b64encode,
85 '\xd3V\xbeo\xf7\x1d', altchars=bytearray('*$'))
86 # Test standard alphabet
87 eq(base64.standard_b64encode("www.python.org"), "d3d3LnB5dGhvbi5vcmc=")
88 eq(base64.standard_b64encode("a"), "YQ==")
89 eq(base64.standard_b64encode("ab"), "YWI=")
90 eq(base64.standard_b64encode("abc"), "YWJj")
91 eq(base64.standard_b64encode(""), "")
92 eq(base64.standard_b64encode("abcdefghijklmnopqrstuvwxyz"
93 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
94 "0123456789!@#0^&*();:<>,. []{}"),
95 "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
96 "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"
97 "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==")
98 # Non-bytes
99 eq(base64.standard_b64encode(bytearray('abcd')), 'YWJjZA==')
100 # Test with 'URL safe' alternative characters
101 eq(base64.urlsafe_b64encode('\xd3V\xbeo\xf7\x1d'), '01a-b_cd')
102 # Non-bytes
103 eq(base64.urlsafe_b64encode(bytearray('\xd3V\xbeo\xf7\x1d')), '01a-b_cd')
104
105 def test_b64decode(self):
106 eq = self.assertEqual
107 eq(base64.b64decode("d3d3LnB5dGhvbi5vcmc="), "www.python.org")
108 eq(base64.b64decode('AA=='), '\x00')
109 eq(base64.b64decode("YQ=="), "a")
110 eq(base64.b64decode("YWI="), "ab")
111 eq(base64.b64decode("YWJj"), "abc")
112 eq(base64.b64decode("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
113 "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
114 "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ=="),
115 "abcdefghijklmnopqrstuvwxyz"
116 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
117 "0123456789!@#0^&*();:<>,. []{}")
118 eq(base64.b64decode(''), '')
119 # Test with arbitrary alternative characters
120 eq(base64.b64decode('01a*b$cd', altchars='*$'), '\xd3V\xbeo\xf7\x1d')
121 # Non-bytes
122 eq(base64.b64decode(bytearray("YWJj")), "abc")
123 # Test standard alphabet
124 eq(base64.standard_b64decode("d3d3LnB5dGhvbi5vcmc="), "www.python.org")
125 eq(base64.standard_b64decode("YQ=="), "a")
126 eq(base64.standard_b64decode("YWI="), "ab")
127 eq(base64.standard_b64decode("YWJj"), "abc")
128 eq(base64.standard_b64decode(""), "")
129 eq(base64.standard_b64decode("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
130 "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"
131 "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ=="),
132 "abcdefghijklmnopqrstuvwxyz"
133 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
134 "0123456789!@#0^&*();:<>,. []{}")
135 # Non-bytes
136 eq(base64.standard_b64decode(bytearray("YWJj")), "abc")
137 # Test with 'URL safe' alternative characters
138 eq(base64.urlsafe_b64decode('01a-b_cd'), '\xd3V\xbeo\xf7\x1d')
139 # Non-bytes
140 eq(base64.urlsafe_b64decode(bytearray('01a-b_cd')), '\xd3V\xbeo\xf7\x1d')
141
142 def test_b64decode_error(self):
143 self.assertRaises(TypeError, base64.b64decode, 'abc')
144
145 def test_b32encode(self):
146 eq = self.assertEqual
147 eq(base64.b32encode(''), '')
148 eq(base64.b32encode('\x00'), 'AA======')
149 eq(base64.b32encode('a'), 'ME======')
150 eq(base64.b32encode('ab'), 'MFRA====')
151 eq(base64.b32encode('abc'), 'MFRGG===')
152 eq(base64.b32encode('abcd'), 'MFRGGZA=')
153 eq(base64.b32encode('abcde'), 'MFRGGZDF')
154 # Non-bytes
155 eq(base64.b32encode(bytearray('abcd')), 'MFRGGZA=')
156
157 def test_b32decode(self):
158 eq = self.assertEqual
159 eq(base64.b32decode(''), '')
160 eq(base64.b32decode('AA======'), '\x00')
161 eq(base64.b32decode('ME======'), 'a')
162 eq(base64.b32decode('MFRA===='), 'ab')
163 eq(base64.b32decode('MFRGG==='), 'abc')
164 eq(base64.b32decode('MFRGGZA='), 'abcd')
165 eq(base64.b32decode('MFRGGZDF'), 'abcde')
166 # Non-bytes
167 self.assertRaises(TypeError, base64.b32decode, bytearray('MFRGG==='))
168
169 def test_b32decode_casefold(self):
170 eq = self.assertEqual
171 eq(base64.b32decode('', True), '')
172 eq(base64.b32decode('ME======', True), 'a')
173 eq(base64.b32decode('MFRA====', True), 'ab')
174 eq(base64.b32decode('MFRGG===', True), 'abc')
175 eq(base64.b32decode('MFRGGZA=', True), 'abcd')
176 eq(base64.b32decode('MFRGGZDF', True), 'abcde')
177 # Lower cases
178 eq(base64.b32decode('me======', True), 'a')
179 eq(base64.b32decode('mfra====', True), 'ab')
180 eq(base64.b32decode('mfrgg===', True), 'abc')
181 eq(base64.b32decode('mfrggza=', True), 'abcd')
182 eq(base64.b32decode('mfrggzdf', True), 'abcde')
183 # Expected exceptions
184 self.assertRaises(TypeError, base64.b32decode, 'me======')
185 # Mapping zero and one
186 eq(base64.b32decode('MLO23456'), 'b\xdd\xad\xf3\xbe')
187 eq(base64.b32decode('M1023456', map01='L'), 'b\xdd\xad\xf3\xbe')
188 eq(base64.b32decode('M1023456', map01='I'), 'b\x1d\xad\xf3\xbe')
189
190 def test_b32decode_error(self):
191 self.assertRaises(TypeError, base64.b32decode, 'abc')
192 self.assertRaises(TypeError, base64.b32decode, 'ABCDEF==')
193
194 def test_b16encode(self):
195 eq = self.assertEqual
196 eq(base64.b16encode('\x01\x02\xab\xcd\xef'), '0102ABCDEF')
197 eq(base64.b16encode('\x00'), '00')
198 # Non-bytes
199 eq(base64.b16encode(bytearray('\x01\x02\xab\xcd\xef')), '0102ABCDEF')
200
201 def test_b16decode(self):
202 eq = self.assertEqual
203 eq(base64.b16decode('0102ABCDEF'), '\x01\x02\xab\xcd\xef')
204 eq(base64.b16decode('00'), '\x00')
205 # Lower case is not allowed without a flag
206 self.assertRaises(TypeError, base64.b16decode, '0102abcdef')
207 # Case fold
208 eq(base64.b16decode('0102abcdef', True), '\x01\x02\xab\xcd\xef')
209 # Non-bytes
210 eq(base64.b16decode(bytearray("0102ABCDEF")), '\x01\x02\xab\xcd\xef')
211
212
213
214
215def test_main():
216 test_support.run_unittest(__name__)
217
218if __name__ == '__main__':
219 test_main()
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