Python code coverage for Lib/test/test_base64.py

#	count	content
1	n/a	import unittest
2	n/a	from test import support
3	n/a	import base64
4	n/a	import binascii
5	n/a	import os
6	n/a	from array import array
7	n/a	from test.support import script_helper
8	n/a
9	n/a
10	n/a	class LegacyBase64TestCase(unittest.TestCase):
11	n/a
12	n/a	# Legacy API is not as permissive as the modern API
13	n/a	def check_type_errors(self, f):
14	n/a	self.assertRaises(TypeError, f, "")
15	n/a	self.assertRaises(TypeError, f, [])
16	n/a	multidimensional = memoryview(b"1234").cast('B', (2, 2))
17	n/a	self.assertRaises(TypeError, f, multidimensional)
18	n/a	int_data = memoryview(b"1234").cast('I')
19	n/a	self.assertRaises(TypeError, f, int_data)
20	n/a
21	n/a	def test_encodebytes(self):
22	n/a	eq = self.assertEqual
23	n/a	eq(base64.encodebytes(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=\n")
24	n/a	eq(base64.encodebytes(b"a"), b"YQ==\n")
25	n/a	eq(base64.encodebytes(b"ab"), b"YWI=\n")
26	n/a	eq(base64.encodebytes(b"abc"), b"YWJj\n")
27	n/a	eq(base64.encodebytes(b""), b"")
28	n/a	eq(base64.encodebytes(b"abcdefghijklmnopqrstuvwxyz"
29	n/a	b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
30	n/a	b"0123456789!@#0^&*();:<>,. []{}"),
31	n/a	b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
32	n/a	b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
33	n/a	b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n")
34	n/a	# Non-bytes
35	n/a	eq(base64.encodebytes(bytearray(b'abc')), b'YWJj\n')
36	n/a	eq(base64.encodebytes(memoryview(b'abc')), b'YWJj\n')
37	n/a	eq(base64.encodebytes(array('B', b'abc')), b'YWJj\n')
38	n/a	self.check_type_errors(base64.encodebytes)
39	n/a
40	n/a	def test_decodebytes(self):
41	n/a	eq = self.assertEqual
42	n/a	eq(base64.decodebytes(b"d3d3LnB5dGhvbi5vcmc=\n"), b"www.python.org")
43	n/a	eq(base64.decodebytes(b"YQ==\n"), b"a")
44	n/a	eq(base64.decodebytes(b"YWI=\n"), b"ab")
45	n/a	eq(base64.decodebytes(b"YWJj\n"), b"abc")
46	n/a	eq(base64.decodebytes(b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
47	n/a	b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
48	n/a	b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n"),
49	n/a	b"abcdefghijklmnopqrstuvwxyz"
50	n/a	b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
51	n/a	b"0123456789!@#0^&*();:<>,. []{}")
52	n/a	eq(base64.decodebytes(b''), b'')
53	n/a	# Non-bytes
54	n/a	eq(base64.decodebytes(bytearray(b'YWJj\n')), b'abc')
55	n/a	eq(base64.decodebytes(memoryview(b'YWJj\n')), b'abc')
56	n/a	eq(base64.decodebytes(array('B', b'YWJj\n')), b'abc')
57	n/a	self.check_type_errors(base64.decodebytes)
58	n/a
59	n/a	def test_encode(self):
60	n/a	eq = self.assertEqual
61	n/a	from io import BytesIO, StringIO
62	n/a	infp = BytesIO(b'abcdefghijklmnopqrstuvwxyz'
63	n/a	b'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
64	n/a	b'0123456789!@#0^&*();:<>,. []{}')
65	n/a	outfp = BytesIO()
66	n/a	base64.encode(infp, outfp)
67	n/a	eq(outfp.getvalue(),
68	n/a	b'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE'
69	n/a	b'RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT'
70	n/a	b'Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n')
71	n/a	# Non-binary files
72	n/a	self.assertRaises(TypeError, base64.encode, StringIO('abc'), BytesIO())
73	n/a	self.assertRaises(TypeError, base64.encode, BytesIO(b'abc'), StringIO())
74	n/a	self.assertRaises(TypeError, base64.encode, StringIO('abc'), StringIO())
75	n/a
76	n/a	def test_decode(self):
77	n/a	from io import BytesIO, StringIO
78	n/a	infp = BytesIO(b'd3d3LnB5dGhvbi5vcmc=')
79	n/a	outfp = BytesIO()
80	n/a	base64.decode(infp, outfp)
81	n/a	self.assertEqual(outfp.getvalue(), b'www.python.org')
82	n/a	# Non-binary files
83	n/a	self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), BytesIO())
84	n/a	self.assertRaises(TypeError, base64.encode, BytesIO(b'YWJj\n'), StringIO())
85	n/a	self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), StringIO())
86	n/a
87	n/a
88	n/a	class BaseXYTestCase(unittest.TestCase):
89	n/a
90	n/a	# Modern API completely ignores exported dimension and format data and
91	n/a	# treats any buffer as a stream of bytes
92	n/a	def check_encode_type_errors(self, f):
93	n/a	self.assertRaises(TypeError, f, "")
94	n/a	self.assertRaises(TypeError, f, [])
95	n/a
96	n/a	def check_decode_type_errors(self, f):
97	n/a	self.assertRaises(TypeError, f, [])
98	n/a
99	n/a	def check_other_types(self, f, bytes_data, expected):
100	n/a	eq = self.assertEqual
101	n/a	b = bytearray(bytes_data)
102	n/a	eq(f(b), expected)
103	n/a	# The bytearray wasn't mutated
104	n/a	eq(b, bytes_data)
105	n/a	eq(f(memoryview(bytes_data)), expected)
106	n/a	eq(f(array('B', bytes_data)), expected)
107	n/a	# XXX why is b64encode hardcoded here?
108	n/a	self.check_nonbyte_element_format(base64.b64encode, bytes_data)
109	n/a	self.check_multidimensional(base64.b64encode, bytes_data)
110	n/a
111	n/a	def check_multidimensional(self, f, data):
112	n/a	padding = b"\x00" if len(data) % 2 else b""
113	n/a	bytes_data = data + padding # Make sure cast works
114	n/a	shape = (len(bytes_data) // 2, 2)
115	n/a	multidimensional = memoryview(bytes_data).cast('B', shape)
116	n/a	self.assertEqual(f(multidimensional), f(bytes_data))
117	n/a
118	n/a	def check_nonbyte_element_format(self, f, data):
119	n/a	padding = b"\x00" * ((4 - len(data)) % 4)
120	n/a	bytes_data = data + padding # Make sure cast works
121	n/a	int_data = memoryview(bytes_data).cast('I')
122	n/a	self.assertEqual(f(int_data), f(bytes_data))
123	n/a
124	n/a
125	n/a	def test_b64encode(self):
126	n/a	eq = self.assertEqual
127	n/a	# Test default alphabet
128	n/a	eq(base64.b64encode(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=")
129	n/a	eq(base64.b64encode(b'\x00'), b'AA==')
130	n/a	eq(base64.b64encode(b"a"), b"YQ==")
131	n/a	eq(base64.b64encode(b"ab"), b"YWI=")
132	n/a	eq(base64.b64encode(b"abc"), b"YWJj")
133	n/a	eq(base64.b64encode(b""), b"")
134	n/a	eq(base64.b64encode(b"abcdefghijklmnopqrstuvwxyz"
135	n/a	b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
136	n/a	b"0123456789!@#0^&*();:<>,. []{}"),
137	n/a	b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
138	n/a	b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"
139	n/a	b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==")
140	n/a	# Test with arbitrary alternative characters
141	n/a	eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=b'$'), b'01ab$cd')
142	n/a	eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=bytearray(b'*$')),
143	n/a	b'01a*b$cd')
144	n/a	eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=memoryview(b'*$')),
145	n/a	b'01a*b$cd')
146	n/a	eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=array('B', b'*$')),
147	n/a	b'01a*b$cd')
148	n/a	# Non-bytes
149	n/a	self.check_other_types(base64.b64encode, b'abcd', b'YWJjZA==')
150	n/a	self.check_encode_type_errors(base64.b64encode)
151	n/a	self.assertRaises(TypeError, base64.b64encode, b"", altchars="*$")
152	n/a	# Test standard alphabet
153	n/a	eq(base64.standard_b64encode(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=")
154	n/a	eq(base64.standard_b64encode(b"a"), b"YQ==")
155	n/a	eq(base64.standard_b64encode(b"ab"), b"YWI=")
156	n/a	eq(base64.standard_b64encode(b"abc"), b"YWJj")
157	n/a	eq(base64.standard_b64encode(b""), b"")
158	n/a	eq(base64.standard_b64encode(b"abcdefghijklmnopqrstuvwxyz"
159	n/a	b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
160	n/a	b"0123456789!@#0^&*();:<>,. []{}"),
161	n/a	b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
162	n/a	b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"
163	n/a	b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==")
164	n/a	# Non-bytes
165	n/a	self.check_other_types(base64.standard_b64encode,
166	n/a	b'abcd', b'YWJjZA==')
167	n/a	self.check_encode_type_errors(base64.standard_b64encode)
168	n/a	# Test with 'URL safe' alternative characters
169	n/a	eq(base64.urlsafe_b64encode(b'\xd3V\xbeo\xf7\x1d'), b'01a-b_cd')
170	n/a	# Non-bytes
171	n/a	self.check_other_types(base64.urlsafe_b64encode,
172	n/a	b'\xd3V\xbeo\xf7\x1d', b'01a-b_cd')
173	n/a	self.check_encode_type_errors(base64.urlsafe_b64encode)
174	n/a
175	n/a	def test_b64decode(self):
176	n/a	eq = self.assertEqual
177	n/a
178	n/a	tests = {b"d3d3LnB5dGhvbi5vcmc=": b"www.python.org",
179	n/a	b'AA==': b'\x00',
180	n/a	b"YQ==": b"a",
181	n/a	b"YWI=": b"ab",
182	n/a	b"YWJj": b"abc",
183	n/a	b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
184	n/a	b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
185	n/a	b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==":
186	n/a
187	n/a	b"abcdefghijklmnopqrstuvwxyz"
188	n/a	b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
189	n/a	b"0123456789!@#0^&*();:<>,. []{}",
190	n/a	b'': b'',
191	n/a	}
192	n/a	for data, res in tests.items():
193	n/a	eq(base64.b64decode(data), res)
194	n/a	eq(base64.b64decode(data.decode('ascii')), res)
195	n/a	# Non-bytes
196	n/a	self.check_other_types(base64.b64decode, b"YWJj", b"abc")
197	n/a	self.check_decode_type_errors(base64.b64decode)
198	n/a
199	n/a	# Test with arbitrary alternative characters
200	n/a	tests_altchars = {(b'01ab$cd', b'$'): b'\xd3V\xbeo\xf7\x1d',
201	n/a	}
202	n/a	for (data, altchars), res in tests_altchars.items():
203	n/a	data_str = data.decode('ascii')
204	n/a	altchars_str = altchars.decode('ascii')
205	n/a
206	n/a	eq(base64.b64decode(data, altchars=altchars), res)
207	n/a	eq(base64.b64decode(data_str, altchars=altchars), res)
208	n/a	eq(base64.b64decode(data, altchars=altchars_str), res)
209	n/a	eq(base64.b64decode(data_str, altchars=altchars_str), res)
210	n/a
211	n/a	# Test standard alphabet
212	n/a	for data, res in tests.items():
213	n/a	eq(base64.standard_b64decode(data), res)
214	n/a	eq(base64.standard_b64decode(data.decode('ascii')), res)
215	n/a	# Non-bytes
216	n/a	self.check_other_types(base64.standard_b64decode, b"YWJj", b"abc")
217	n/a	self.check_decode_type_errors(base64.standard_b64decode)
218	n/a
219	n/a	# Test with 'URL safe' alternative characters
220	n/a	tests_urlsafe = {b'01a-b_cd': b'\xd3V\xbeo\xf7\x1d',
221	n/a	b'': b'',
222	n/a	}
223	n/a	for data, res in tests_urlsafe.items():
224	n/a	eq(base64.urlsafe_b64decode(data), res)
225	n/a	eq(base64.urlsafe_b64decode(data.decode('ascii')), res)
226	n/a	# Non-bytes
227	n/a	self.check_other_types(base64.urlsafe_b64decode, b'01a-b_cd',
228	n/a	b'\xd3V\xbeo\xf7\x1d')
229	n/a	self.check_decode_type_errors(base64.urlsafe_b64decode)
230	n/a
231	n/a	def test_b64decode_padding_error(self):
232	n/a	self.assertRaises(binascii.Error, base64.b64decode, b'abc')
233	n/a	self.assertRaises(binascii.Error, base64.b64decode, 'abc')
234	n/a
235	n/a	def test_b64decode_invalid_chars(self):
236	n/a	# issue 1466065: Test some invalid characters.
237	n/a	tests = ((b'%3d==', b'\xdd'),
238	n/a	(b'$3d==', b'\xdd'),
239	n/a	(b'[==', b''),
240	n/a	(b'YW]3=', b'am'),
241	n/a	(b'3{d==', b'\xdd'),
242	n/a	(b'3d}==', b'\xdd'),
243	n/a	(b'@@', b''),
244	n/a	(b'!', b''),
245	n/a	(b'YWJj\nYWI=', b'abcab'))
246	n/a	funcs = (
247	n/a	base64.b64decode,
248	n/a	base64.standard_b64decode,
249	n/a	base64.urlsafe_b64decode,
250	n/a	)
251	n/a	for bstr, res in tests:
252	n/a	for func in funcs:
253	n/a	with self.subTest(bstr=bstr, func=func):
254	n/a	self.assertEqual(func(bstr), res)
255	n/a	self.assertEqual(func(bstr.decode('ascii')), res)
256	n/a	with self.assertRaises(binascii.Error):
257	n/a	base64.b64decode(bstr, validate=True)
258	n/a	with self.assertRaises(binascii.Error):
259	n/a	base64.b64decode(bstr.decode('ascii'), validate=True)
260	n/a
261	n/a	# Normal alphabet characters not discarded when alternative given
262	n/a	res = b'\xFB\xEF\xBE\xFF\xFF\xFF'
263	n/a	self.assertEqual(base64.b64decode(b'++[[//]]', b'[]'), res)
264	n/a	self.assertEqual(base64.urlsafe_b64decode(b'++--//__'), res)
265	n/a
266	n/a	def test_b32encode(self):
267	n/a	eq = self.assertEqual
268	n/a	eq(base64.b32encode(b''), b'')
269	n/a	eq(base64.b32encode(b'\x00'), b'AA======')
270	n/a	eq(base64.b32encode(b'a'), b'ME======')
271	n/a	eq(base64.b32encode(b'ab'), b'MFRA====')
272	n/a	eq(base64.b32encode(b'abc'), b'MFRGG===')
273	n/a	eq(base64.b32encode(b'abcd'), b'MFRGGZA=')
274	n/a	eq(base64.b32encode(b'abcde'), b'MFRGGZDF')
275	n/a	# Non-bytes
276	n/a	self.check_other_types(base64.b32encode, b'abcd', b'MFRGGZA=')
277	n/a	self.check_encode_type_errors(base64.b32encode)
278	n/a
279	n/a	def test_b32decode(self):
280	n/a	eq = self.assertEqual
281	n/a	tests = {b'': b'',
282	n/a	b'AA======': b'\x00',
283	n/a	b'ME======': b'a',
284	n/a	b'MFRA====': b'ab',
285	n/a	b'MFRGG===': b'abc',
286	n/a	b'MFRGGZA=': b'abcd',
287	n/a	b'MFRGGZDF': b'abcde',
288	n/a	}
289	n/a	for data, res in tests.items():
290	n/a	eq(base64.b32decode(data), res)
291	n/a	eq(base64.b32decode(data.decode('ascii')), res)
292	n/a	# Non-bytes
293	n/a	self.check_other_types(base64.b32decode, b'MFRGG===', b"abc")
294	n/a	self.check_decode_type_errors(base64.b32decode)
295	n/a
296	n/a	def test_b32decode_casefold(self):
297	n/a	eq = self.assertEqual
298	n/a	tests = {b'': b'',
299	n/a	b'ME======': b'a',
300	n/a	b'MFRA====': b'ab',
301	n/a	b'MFRGG===': b'abc',
302	n/a	b'MFRGGZA=': b'abcd',
303	n/a	b'MFRGGZDF': b'abcde',
304	n/a	# Lower cases
305	n/a	b'me======': b'a',
306	n/a	b'mfra====': b'ab',
307	n/a	b'mfrgg===': b'abc',
308	n/a	b'mfrggza=': b'abcd',
309	n/a	b'mfrggzdf': b'abcde',
310	n/a	}
311	n/a
312	n/a	for data, res in tests.items():
313	n/a	eq(base64.b32decode(data, True), res)
314	n/a	eq(base64.b32decode(data.decode('ascii'), True), res)
315	n/a
316	n/a	self.assertRaises(binascii.Error, base64.b32decode, b'me======')
317	n/a	self.assertRaises(binascii.Error, base64.b32decode, 'me======')
318	n/a
319	n/a	# Mapping zero and one
320	n/a	eq(base64.b32decode(b'MLO23456'), b'b\xdd\xad\xf3\xbe')
321	n/a	eq(base64.b32decode('MLO23456'), b'b\xdd\xad\xf3\xbe')
322	n/a
323	n/a	map_tests = {(b'M1023456', b'L'): b'b\xdd\xad\xf3\xbe',
324	n/a	(b'M1023456', b'I'): b'b\x1d\xad\xf3\xbe',
325	n/a	}
326	n/a	for (data, map01), res in map_tests.items():
327	n/a	data_str = data.decode('ascii')
328	n/a	map01_str = map01.decode('ascii')
329	n/a
330	n/a	eq(base64.b32decode(data, map01=map01), res)
331	n/a	eq(base64.b32decode(data_str, map01=map01), res)
332	n/a	eq(base64.b32decode(data, map01=map01_str), res)
333	n/a	eq(base64.b32decode(data_str, map01=map01_str), res)
334	n/a	self.assertRaises(binascii.Error, base64.b32decode, data)
335	n/a	self.assertRaises(binascii.Error, base64.b32decode, data_str)
336	n/a
337	n/a	def test_b32decode_error(self):
338	n/a	for data in [b'abc', b'ABCDEF==', b'==ABCDEF']:
339	n/a	with self.assertRaises(binascii.Error):
340	n/a	base64.b32decode(data)
341	n/a	with self.assertRaises(binascii.Error):
342	n/a	base64.b32decode(data.decode('ascii'))
343	n/a
344	n/a	def test_b16encode(self):
345	n/a	eq = self.assertEqual
346	n/a	eq(base64.b16encode(b'\x01\x02\xab\xcd\xef'), b'0102ABCDEF')
347	n/a	eq(base64.b16encode(b'\x00'), b'00')
348	n/a	# Non-bytes
349	n/a	self.check_other_types(base64.b16encode, b'\x01\x02\xab\xcd\xef',
350	n/a	b'0102ABCDEF')
351	n/a	self.check_encode_type_errors(base64.b16encode)
352	n/a
353	n/a	def test_b16decode(self):
354	n/a	eq = self.assertEqual
355	n/a	eq(base64.b16decode(b'0102ABCDEF'), b'\x01\x02\xab\xcd\xef')
356	n/a	eq(base64.b16decode('0102ABCDEF'), b'\x01\x02\xab\xcd\xef')
357	n/a	eq(base64.b16decode(b'00'), b'\x00')
358	n/a	eq(base64.b16decode('00'), b'\x00')
359	n/a	# Lower case is not allowed without a flag
360	n/a	self.assertRaises(binascii.Error, base64.b16decode, b'0102abcdef')
361	n/a	self.assertRaises(binascii.Error, base64.b16decode, '0102abcdef')
362	n/a	# Case fold
363	n/a	eq(base64.b16decode(b'0102abcdef', True), b'\x01\x02\xab\xcd\xef')
364	n/a	eq(base64.b16decode('0102abcdef', True), b'\x01\x02\xab\xcd\xef')
365	n/a	# Non-bytes
366	n/a	self.check_other_types(base64.b16decode, b"0102ABCDEF",
367	n/a	b'\x01\x02\xab\xcd\xef')
368	n/a	self.check_decode_type_errors(base64.b16decode)
369	n/a	eq(base64.b16decode(bytearray(b"0102abcdef"), True),
370	n/a	b'\x01\x02\xab\xcd\xef')
371	n/a	eq(base64.b16decode(memoryview(b"0102abcdef"), True),
372	n/a	b'\x01\x02\xab\xcd\xef')
373	n/a	eq(base64.b16decode(array('B', b"0102abcdef"), True),
374	n/a	b'\x01\x02\xab\xcd\xef')
375	n/a	# Non-alphabet characters
376	n/a	self.assertRaises(binascii.Error, base64.b16decode, '0102AG')
377	n/a	# Incorrect "padding"
378	n/a	self.assertRaises(binascii.Error, base64.b16decode, '010')
379	n/a
380	n/a	def test_a85encode(self):
381	n/a	eq = self.assertEqual
382	n/a
383	n/a	tests = {
384	n/a	b'': b'',
385	n/a	b"www.python.org": b'GB\\6`E-ZP=Df.1GEb>',
386	n/a	bytes(range(255)): b"""!!-'"9eu7#RLhG$k3[W&.oNg'GVB"(`=52$$"""
387	n/a	b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE"""
388	n/a	b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN"""
389	n/a	b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU"""
390	n/a	b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd"""
391	n/a	b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`"""
392	n/a	b"""r;HT""",
393	n/a	b"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
394	n/a	b"0123456789!@#0^&*();:<>,. []{}":
395	n/a	b'@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T'
396	n/a	b":Jand;cHat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P",
397	n/a	b"no padding..": b'DJpY:@:Wn_DJ(RS',
398	n/a	b"zero compression\0\0\0\0": b'H=_,8+Cf>,E,oN2F(oQ1z',
399	n/a	b"zero compression\0\0\0": b'H=_,8+Cf>,E,oN2F(oQ1!!!!',
400	n/a	b"Boundary:\0\0\0\0": b'6>q!aA79M(3WK-[!!',
401	n/a	b"Space compr: ": b';fH/TAKYK$D/aMV+<VdL',
402	n/a	b'\xff': b'rr',
403	n/a	b'\xff'*2: b's8N',
404	n/a	b'\xff'3: b's8W',
405	n/a	b'\xff'*4: b's8W-!',
406	n/a	}
407	n/a
408	n/a	for data, res in tests.items():
409	n/a	eq(base64.a85encode(data), res, data)
410	n/a	eq(base64.a85encode(data, adobe=False), res, data)
411	n/a	eq(base64.a85encode(data, adobe=True), b'<~' + res + b'~>', data)
412	n/a
413	n/a	self.check_other_types(base64.a85encode, b"www.python.org",
414	n/a	b'GB\\6`E-ZP=Df.1GEb>')
415	n/a
416	n/a	self.assertRaises(TypeError, base64.a85encode, "")
417	n/a
418	n/a	eq(base64.a85encode(b"www.python.org", wrapcol=7, adobe=False),
419	n/a	b'GB\\6`E-\nZP=Df.1\nGEb>')
420	n/a	eq(base64.a85encode(b"\0\0\0\0www.python.org", wrapcol=7, adobe=False),
421	n/a	b'zGB\\6`E\n-ZP=Df.\n1GEb>')
422	n/a	eq(base64.a85encode(b"www.python.org", wrapcol=7, adobe=True),
423	n/a	b'<~GB\\6`\nE-ZP=Df\n.1GEb>\n~>')
424	n/a
425	n/a	eq(base64.a85encode(b' '*8, foldspaces=True, adobe=False), b'yy')
426	n/a	eq(base64.a85encode(b' '*7, foldspaces=True, adobe=False), b'y+<Vd')
427	n/a	eq(base64.a85encode(b' '*6, foldspaces=True, adobe=False), b'y+<U')
428	n/a	eq(base64.a85encode(b' '*5, foldspaces=True, adobe=False), b'y+9')
429	n/a
430	n/a	def test_b85encode(self):
431	n/a	eq = self.assertEqual
432	n/a
433	n/a	tests = {
434	n/a	b'': b'',
435	n/a	b'www.python.org': b'cXxL#aCvlSZ*DGca%T',
436	n/a	bytes(range(255)): b"""009C61O)~M2nh-c3=Iws5D^j+6crX17#SKH9337X"""
437	n/a	b"""AR!_nBqb&%C@Cr{EG;fCFflSSG&MFiI5\|2yJUu=?KtV!7L`6nNNJ&ad"""
438	n/a	b"""OifNtPGA-R8>}2SXo+ITwPvYU}0ioWMyV&XlZI\|Y;A6DaB^Tbai%j"""
439	n/a	b"""czJqze0_d@fPsR8goTEOh>41ejE#<ukdcy;l$Dm3n3<ZJoSmMZprN9p"""
440	n/a	b"""q@\|{(sHv)}tgWuEu(7hUw6(UkxVgH!yuH4^z`?@9#Kp$P$jQpf%+1cv"""
441	n/a	b"""(9zP<)YaD4*xB0K+}+;a;Njxq<mKk)=;`X~?CtLF@bU8V^!4`l`1$(#"""
442	n/a	b"""{Qdp""",
443	n/a	b"""abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"""
444	n/a	b"""0123456789!@#0^&*();:<>,. []{}""":
445	n/a	b"""VPa!sWoBn+X=-b1ZEkOHadLBXb#`}nd3r%YLqtVJM@UIZOH55pPf$@("""
446	n/a	b"""Q&d$}S6EqEFflSSG&MFiI5{CeBQRbjDkv#CIy^osE+AW7dwl""",
447	n/a	b'no padding..': b'Zf_uPVPs@!Zf7no',
448	n/a	b'zero compression\x00\x00\x00\x00': b'dS!BNAY*TBaB^jHb7^mG00000',
449	n/a	b'zero compression\x00\x00\x00': b'dS!BNAY*TBaB^jHb7^mG0000',
450	n/a	b"""Boundary:\x00\x00\x00\x00""": b"""LT`0$WMOi7IsgCw00""",
451	n/a	b'Space compr: ': b'Q*dEpWgug3ZE$irARr(h',
452	n/a	b'\xff': b'{{',
453	n/a	b'\xff'*2: b'\|Nj',
454	n/a	b'\xff'*3: b'\|Ns9',
455	n/a	b'\xff'*4: b'\|NsC0',
456	n/a	}
457	n/a
458	n/a	for data, res in tests.items():
459	n/a	eq(base64.b85encode(data), res)
460	n/a
461	n/a	self.check_other_types(base64.b85encode, b"www.python.org",
462	n/a	b'cXxL#aCvlSZ*DGca%T')
463	n/a
464	n/a	def test_a85decode(self):
465	n/a	eq = self.assertEqual
466	n/a
467	n/a	tests = {
468	n/a	b'': b'',
469	n/a	b'GB\\6`E-ZP=Df.1GEb>': b'www.python.org',
470	n/a	b"""! ! * -'"\n\t\t9eu\r\n7# RL\vhG$k3[W&.oNg'GVB"(`=52*$$"""
471	n/a	b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE"""
472	n/a	b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN"""
473	n/a	b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU"""
474	n/a	b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd"""
475	n/a	b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`"""
476	n/a	b"""r;HT""": bytes(range(255)),
477	n/a	b"""@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T:Jand;c"""
478	n/a	b"""Hat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P""":
479	n/a	b'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234'
480	n/a	b'56789!@#0^&*();:<>,. []{}',
481	n/a	b'DJpY:@:Wn_DJ(RS': b'no padding..',
482	n/a	b'H=_,8+Cf>,E,oN2F(oQ1z': b'zero compression\x00\x00\x00\x00',
483	n/a	b'H=_,8+Cf>,E,oN2F(oQ1!!!!': b'zero compression\x00\x00\x00',
484	n/a	b'6>q!aA79M(3WK-[!!': b"Boundary:\x00\x00\x00\x00",
485	n/a	b';fH/TAKYK$D/aMV+<VdL': b'Space compr: ',
486	n/a	b'rr': b'\xff',
487	n/a	b's8N': b'\xff'*2,
488	n/a	b's8W': b'\xff'3,
489	n/a	b's8W-!': b'\xff'*4,
490	n/a	}
491	n/a
492	n/a	for data, res in tests.items():
493	n/a	eq(base64.a85decode(data), res, data)
494	n/a	eq(base64.a85decode(data, adobe=False), res, data)
495	n/a	eq(base64.a85decode(data.decode("ascii"), adobe=False), res, data)
496	n/a	eq(base64.a85decode(b'<~' + data + b'~>', adobe=True), res, data)
497	n/a	eq(base64.a85decode(data + b'~>', adobe=True), res, data)
498	n/a	eq(base64.a85decode('<~%s~>' % data.decode("ascii"), adobe=True),
499	n/a	res, data)
500	n/a
501	n/a	eq(base64.a85decode(b'yy', foldspaces=True, adobe=False), b' '*8)
502	n/a	eq(base64.a85decode(b'y+<Vd', foldspaces=True, adobe=False), b' '*7)
503	n/a	eq(base64.a85decode(b'y+<U', foldspaces=True, adobe=False), b' '*6)
504	n/a	eq(base64.a85decode(b'y+9', foldspaces=True, adobe=False), b' '*5)
505	n/a
506	n/a	self.check_other_types(base64.a85decode, b'GB\\6`E-ZP=Df.1GEb>',
507	n/a	b"www.python.org")
508	n/a
509	n/a	def test_b85decode(self):
510	n/a	eq = self.assertEqual
511	n/a
512	n/a	tests = {
513	n/a	b'': b'',
514	n/a	b'cXxL#aCvlSZ*DGca%T': b'www.python.org',
515	n/a	b"""009C61O)~M2nh-c3=Iws5D^j+6crX17#SKH9337X"""
516	n/a	b"""AR!_nBqb&%C@Cr{EG;fCFflSSG&MFiI5\|2yJUu=?KtV!7L`6nNNJ&ad"""
517	n/a	b"""OifNtPGA-R8>}2SXo+ITwPvYU}0ioWMyV&XlZI\|Y;A6DaB^Tbai%j"""
518	n/a	b"""czJqze0_d@fPsR8goTEOh>41ejE#<ukdcy;l$Dm3n3<ZJoSmMZprN9p"""
519	n/a	b"""q@\|{(sHv)}tgWuEu(7hUw6(UkxVgH!yuH4^z`?@9#Kp$P$jQpf%+1cv"""
520	n/a	b"""(9zP<)YaD4*xB0K+}+;a;Njxq<mKk)=;`X~?CtLF@bU8V^!4`l`1$(#"""
521	n/a	b"""{Qdp""": bytes(range(255)),
522	n/a	b"""VPa!sWoBn+X=-b1ZEkOHadLBXb#`}nd3r%YLqtVJM@UIZOH55pPf$@("""
523	n/a	b"""Q&d$}S6EqEFflSSG&MFiI5{CeBQRbjDkv#CIy^osE+AW7dwl""":
524	n/a	b"""abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"""
525	n/a	b"""0123456789!@#0^&*();:<>,. []{}""",
526	n/a	b'Zf_uPVPs@!Zf7no': b'no padding..',
527	n/a	b'dS!BNAY*TBaB^jHb7^mG00000': b'zero compression\x00\x00\x00\x00',
528	n/a	b'dS!BNAY*TBaB^jHb7^mG0000': b'zero compression\x00\x00\x00',
529	n/a	b"""LT`0$WMOi7IsgCw00""": b"""Boundary:\x00\x00\x00\x00""",
530	n/a	b'Q*dEpWgug3ZE$irARr(h': b'Space compr: ',
531	n/a	b'{{': b'\xff',
532	n/a	b'\|Nj': b'\xff'*2,
533	n/a	b'\|Ns9': b'\xff'*3,
534	n/a	b'\|NsC0': b'\xff'*4,
535	n/a	}
536	n/a
537	n/a	for data, res in tests.items():
538	n/a	eq(base64.b85decode(data), res)
539	n/a	eq(base64.b85decode(data.decode("ascii")), res)
540	n/a
541	n/a	self.check_other_types(base64.b85decode, b'cXxL#aCvlSZ*DGca%T',
542	n/a	b"www.python.org")
543	n/a
544	n/a	def test_a85_padding(self):
545	n/a	eq = self.assertEqual
546	n/a
547	n/a	eq(base64.a85encode(b"x", pad=True), b'GQ7^D')
548	n/a	eq(base64.a85encode(b"xx", pad=True), b"G^'2g")
549	n/a	eq(base64.a85encode(b"xxx", pad=True), b'G^+H5')
550	n/a	eq(base64.a85encode(b"xxxx", pad=True), b'G^+IX')
551	n/a	eq(base64.a85encode(b"xxxxx", pad=True), b'G^+IXGQ7^D')
552	n/a
553	n/a	eq(base64.a85decode(b'GQ7^D'), b"x\x00\x00\x00")
554	n/a	eq(base64.a85decode(b"G^'2g"), b"xx\x00\x00")
555	n/a	eq(base64.a85decode(b'G^+H5'), b"xxx\x00")
556	n/a	eq(base64.a85decode(b'G^+IX'), b"xxxx")
557	n/a	eq(base64.a85decode(b'G^+IXGQ7^D'), b"xxxxx\x00\x00\x00")
558	n/a
559	n/a	def test_b85_padding(self):
560	n/a	eq = self.assertEqual
561	n/a
562	n/a	eq(base64.b85encode(b"x", pad=True), b'cmMzZ')
563	n/a	eq(base64.b85encode(b"xx", pad=True), b'cz6H+')
564	n/a	eq(base64.b85encode(b"xxx", pad=True), b'czAdK')
565	n/a	eq(base64.b85encode(b"xxxx", pad=True), b'czAet')
566	n/a	eq(base64.b85encode(b"xxxxx", pad=True), b'czAetcmMzZ')
567	n/a
568	n/a	eq(base64.b85decode(b'cmMzZ'), b"x\x00\x00\x00")
569	n/a	eq(base64.b85decode(b'cz6H+'), b"xx\x00\x00")
570	n/a	eq(base64.b85decode(b'czAdK'), b"xxx\x00")
571	n/a	eq(base64.b85decode(b'czAet'), b"xxxx")
572	n/a	eq(base64.b85decode(b'czAetcmMzZ'), b"xxxxx\x00\x00\x00")
573	n/a
574	n/a	def test_a85decode_errors(self):
575	n/a	illegal = (set(range(32)) \| set(range(118, 256))) - set(b' \t\n\r\v')
576	n/a	for c in illegal:
577	n/a	with self.assertRaises(ValueError, msg=bytes([c])):
578	n/a	base64.a85decode(b'!!!!' + bytes([c]))
579	n/a	with self.assertRaises(ValueError, msg=bytes([c])):
580	n/a	base64.a85decode(b'!!!!' + bytes([c]), adobe=False)
581	n/a	with self.assertRaises(ValueError, msg=bytes([c])):
582	n/a	base64.a85decode(b'<~!!!!' + bytes([c]) + b'~>', adobe=True)
583	n/a
584	n/a	self.assertRaises(ValueError, base64.a85decode,
585	n/a	b"malformed", adobe=True)
586	n/a	self.assertRaises(ValueError, base64.a85decode,
587	n/a	b"<~still malformed", adobe=True)
588	n/a
589	n/a	# With adobe=False (the default), Adobe framing markers are disallowed
590	n/a	self.assertRaises(ValueError, base64.a85decode,
591	n/a	b"<~~>")
592	n/a	self.assertRaises(ValueError, base64.a85decode,
593	n/a	b"<~~>", adobe=False)
594	n/a	base64.a85decode(b"<~~>", adobe=True) # sanity check
595	n/a
596	n/a	self.assertRaises(ValueError, base64.a85decode,
597	n/a	b"abcx", adobe=False)
598	n/a	self.assertRaises(ValueError, base64.a85decode,
599	n/a	b"abcdey", adobe=False)
600	n/a	self.assertRaises(ValueError, base64.a85decode,
601	n/a	b"a b\nc", adobe=False, ignorechars=b"")
602	n/a
603	n/a	self.assertRaises(ValueError, base64.a85decode, b's', adobe=False)
604	n/a	self.assertRaises(ValueError, base64.a85decode, b's8', adobe=False)
605	n/a	self.assertRaises(ValueError, base64.a85decode, b's8W', adobe=False)
606	n/a	self.assertRaises(ValueError, base64.a85decode, b's8W-', adobe=False)
607	n/a	self.assertRaises(ValueError, base64.a85decode, b's8W-"', adobe=False)
608	n/a
609	n/a	def test_b85decode_errors(self):
610	n/a	illegal = list(range(33)) + \
611	n/a	list(b'"\',./:[\\]') + \
612	n/a	list(range(128, 256))
613	n/a	for c in illegal:
614	n/a	with self.assertRaises(ValueError, msg=bytes([c])):
615	n/a	base64.b85decode(b'0000' + bytes([c]))
616	n/a
617	n/a	self.assertRaises(ValueError, base64.b85decode, b'\|')
618	n/a	self.assertRaises(ValueError, base64.b85decode, b'\|N')
619	n/a	self.assertRaises(ValueError, base64.b85decode, b'\|Ns')
620	n/a	self.assertRaises(ValueError, base64.b85decode, b'\|NsC')
621	n/a	self.assertRaises(ValueError, base64.b85decode, b'\|NsC1')
622	n/a
623	n/a	def test_decode_nonascii_str(self):
624	n/a	decode_funcs = (base64.b64decode,
625	n/a	base64.standard_b64decode,
626	n/a	base64.urlsafe_b64decode,
627	n/a	base64.b32decode,
628	n/a	base64.b16decode,
629	n/a	base64.b85decode,
630	n/a	base64.a85decode)
631	n/a	for f in decode_funcs:
632	n/a	self.assertRaises(ValueError, f, 'with non-ascii \xcb')
633	n/a
634	n/a	def test_ErrorHeritage(self):
635	n/a	self.assertTrue(issubclass(binascii.Error, ValueError))
636	n/a
637	n/a
638	n/a	class TestMain(unittest.TestCase):
639	n/a	def tearDown(self):
640	n/a	if os.path.exists(support.TESTFN):
641	n/a	os.unlink(support.TESTFN)
642	n/a
643	n/a	def get_output(self, *args):
644	n/a	return script_helper.assert_python_ok('-m', 'base64', *args).out
645	n/a
646	n/a	def test_encode_decode(self):
647	n/a	output = self.get_output('-t')
648	n/a	self.assertSequenceEqual(output.splitlines(), (
649	n/a	b"b'Aladdin:open sesame'",
650	n/a	br"b'QWxhZGRpbjpvcGVuIHNlc2FtZQ==\n'",
651	n/a	b"b'Aladdin:open sesame'",
652	n/a	))
653	n/a
654	n/a	def test_encode_file(self):
655	n/a	with open(support.TESTFN, 'wb') as fp:
656	n/a	fp.write(b'a\xffb\n')
657	n/a	output = self.get_output('-e', support.TESTFN)
658	n/a	self.assertEqual(output.rstrip(), b'Yf9iCg==')
659	n/a
660	n/a	def test_encode_from_stdin(self):
661	n/a	with script_helper.spawn_python('-m', 'base64', '-e') as proc:
662	n/a	out, err = proc.communicate(b'a\xffb\n')
663	n/a	self.assertEqual(out.rstrip(), b'Yf9iCg==')
664	n/a	self.assertIsNone(err)
665	n/a
666	n/a	def test_decode(self):
667	n/a	with open(support.TESTFN, 'wb') as fp:
668	n/a	fp.write(b'Yf9iCg==')
669	n/a	output = self.get_output('-d', support.TESTFN)
670	n/a	self.assertEqual(output.rstrip(), b'a\xffb')
671	n/a
672	n/a	if __name__ == '__main__':
673	n/a	unittest.main()