1import unittest 2from test import support 3import base64 4import binascii 5import os 6from array import array 7from test.support import script_helper 8 9 10class LegacyBase64TestCase(unittest.TestCase): 11 12 # Legacy API is not as permissive as the modern API 13 def check_type_errors(self, f): 14 self.assertRaises(TypeError, f, "") 15 self.assertRaises(TypeError, f, []) 16 multidimensional = memoryview(b"1234").cast('B', (2, 2)) 17 self.assertRaises(TypeError, f, multidimensional) 18 int_data = memoryview(b"1234").cast('I') 19 self.assertRaises(TypeError, f, int_data) 20 21 def test_encodebytes(self): 22 eq = self.assertEqual 23 eq(base64.encodebytes(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=\n") 24 eq(base64.encodebytes(b"a"), b"YQ==\n") 25 eq(base64.encodebytes(b"ab"), b"YWI=\n") 26 eq(base64.encodebytes(b"abc"), b"YWJj\n") 27 eq(base64.encodebytes(b""), b"") 28 eq(base64.encodebytes(b"abcdefghijklmnopqrstuvwxyz" 29 b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" 30 b"0123456789!@#0^&*();:<>,. []{}"), 31 b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" 32 b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" 33 b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n") 34 # Non-bytes 35 eq(base64.encodebytes(bytearray(b'abc')), b'YWJj\n') 36 eq(base64.encodebytes(memoryview(b'abc')), b'YWJj\n') 37 eq(base64.encodebytes(array('B', b'abc')), b'YWJj\n') 38 self.check_type_errors(base64.encodebytes) 39 40 def test_decodebytes(self): 41 eq = self.assertEqual 42 eq(base64.decodebytes(b"d3d3LnB5dGhvbi5vcmc=\n"), b"www.python.org") 43 eq(base64.decodebytes(b"YQ==\n"), b"a") 44 eq(base64.decodebytes(b"YWI=\n"), b"ab") 45 eq(base64.decodebytes(b"YWJj\n"), b"abc") 46 eq(base64.decodebytes(b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" 47 b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" 48 b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n"), 49 b"abcdefghijklmnopqrstuvwxyz" 50 b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" 51 b"0123456789!@#0^&*();:<>,. []{}") 52 eq(base64.decodebytes(b''), b'') 53 # Non-bytes 54 eq(base64.decodebytes(bytearray(b'YWJj\n')), b'abc') 55 eq(base64.decodebytes(memoryview(b'YWJj\n')), b'abc') 56 eq(base64.decodebytes(array('B', b'YWJj\n')), b'abc') 57 self.check_type_errors(base64.decodebytes) 58 59 def test_encode(self): 60 eq = self.assertEqual 61 from io import BytesIO, StringIO 62 infp = BytesIO(b'abcdefghijklmnopqrstuvwxyz' 63 b'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 64 b'0123456789!@#0^&*();:<>,. []{}') 65 outfp = BytesIO() 66 base64.encode(infp, outfp) 67 eq(outfp.getvalue(), 68 b'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE' 69 b'RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT' 70 b'Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n') 71 # Non-binary files 72 self.assertRaises(TypeError, base64.encode, StringIO('abc'), BytesIO()) 73 self.assertRaises(TypeError, base64.encode, BytesIO(b'abc'), StringIO()) 74 self.assertRaises(TypeError, base64.encode, StringIO('abc'), StringIO()) 75 76 def test_decode(self): 77 from io import BytesIO, StringIO 78 infp = BytesIO(b'd3d3LnB5dGhvbi5vcmc=') 79 outfp = BytesIO() 80 base64.decode(infp, outfp) 81 self.assertEqual(outfp.getvalue(), b'www.python.org') 82 # Non-binary files 83 self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), BytesIO()) 84 self.assertRaises(TypeError, base64.encode, BytesIO(b'YWJj\n'), StringIO()) 85 self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), StringIO()) 86 87 88class BaseXYTestCase(unittest.TestCase): 89 90 # Modern API completely ignores exported dimension and format data and 91 # treats any buffer as a stream of bytes 92 def check_encode_type_errors(self, f): 93 self.assertRaises(TypeError, f, "") 94 self.assertRaises(TypeError, f, []) 95 96 def check_decode_type_errors(self, f): 97 self.assertRaises(TypeError, f, []) 98 99 def check_other_types(self, f, bytes_data, expected): 100 eq = self.assertEqual 101 b = bytearray(bytes_data) 102 eq(f(b), expected) 103 # The bytearray wasn't mutated 104 eq(b, bytes_data) 105 eq(f(memoryview(bytes_data)), expected) 106 eq(f(array('B', bytes_data)), expected) 107 # XXX why is b64encode hardcoded here? 108 self.check_nonbyte_element_format(base64.b64encode, bytes_data) 109 self.check_multidimensional(base64.b64encode, bytes_data) 110 111 def check_multidimensional(self, f, data): 112 padding = b"\x00" if len(data) % 2 else b"" 113 bytes_data = data + padding # Make sure cast works 114 shape = (len(bytes_data) // 2, 2) 115 multidimensional = memoryview(bytes_data).cast('B', shape) 116 self.assertEqual(f(multidimensional), f(bytes_data)) 117 118 def check_nonbyte_element_format(self, f, data): 119 padding = b"\x00" * ((4 - len(data)) % 4) 120 bytes_data = data + padding # Make sure cast works 121 int_data = memoryview(bytes_data).cast('I') 122 self.assertEqual(f(int_data), f(bytes_data)) 123 124 125 def test_b64encode(self): 126 eq = self.assertEqual 127 # Test default alphabet 128 eq(base64.b64encode(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=") 129 eq(base64.b64encode(b'\x00'), b'AA==') 130 eq(base64.b64encode(b"a"), b"YQ==") 131 eq(base64.b64encode(b"ab"), b"YWI=") 132 eq(base64.b64encode(b"abc"), b"YWJj") 133 eq(base64.b64encode(b""), b"") 134 eq(base64.b64encode(b"abcdefghijklmnopqrstuvwxyz" 135 b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" 136 b"0123456789!@#0^&*();:<>,. []{}"), 137 b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" 138 b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT" 139 b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==") 140 # Test with arbitrary alternative characters 141 eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=b'*$'), b'01a*b$cd') 142 eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=bytearray(b'*$')), 143 b'01a*b$cd') 144 eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=memoryview(b'*$')), 145 b'01a*b$cd') 146 eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=array('B', b'*$')), 147 b'01a*b$cd') 148 # Non-bytes 149 self.check_other_types(base64.b64encode, b'abcd', b'YWJjZA==') 150 self.check_encode_type_errors(base64.b64encode) 151 self.assertRaises(TypeError, base64.b64encode, b"", altchars="*$") 152 # Test standard alphabet 153 eq(base64.standard_b64encode(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=") 154 eq(base64.standard_b64encode(b"a"), b"YQ==") 155 eq(base64.standard_b64encode(b"ab"), b"YWI=") 156 eq(base64.standard_b64encode(b"abc"), b"YWJj") 157 eq(base64.standard_b64encode(b""), b"") 158 eq(base64.standard_b64encode(b"abcdefghijklmnopqrstuvwxyz" 159 b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" 160 b"0123456789!@#0^&*();:<>,. []{}"), 161 b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" 162 b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT" 163 b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==") 164 # Non-bytes 165 self.check_other_types(base64.standard_b64encode, 166 b'abcd', b'YWJjZA==') 167 self.check_encode_type_errors(base64.standard_b64encode) 168 # Test with 'URL safe' alternative characters 169 eq(base64.urlsafe_b64encode(b'\xd3V\xbeo\xf7\x1d'), b'01a-b_cd') 170 # Non-bytes 171 self.check_other_types(base64.urlsafe_b64encode, 172 b'\xd3V\xbeo\xf7\x1d', b'01a-b_cd') 173 self.check_encode_type_errors(base64.urlsafe_b64encode) 174 175 def test_b64decode(self): 176 eq = self.assertEqual 177 178 tests = {b"d3d3LnB5dGhvbi5vcmc=": b"www.python.org", 179 b'AA==': b'\x00', 180 b"YQ==": b"a", 181 b"YWI=": b"ab", 182 b"YWJj": b"abc", 183 b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" 184 b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" 185 b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==": 186 187 b"abcdefghijklmnopqrstuvwxyz" 188 b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" 189 b"0123456789!@#0^&*();:<>,. []{}", 190 b'': b'', 191 } 192 for data, res in tests.items(): 193 eq(base64.b64decode(data), res) 194 eq(base64.b64decode(data.decode('ascii')), res) 195 # Non-bytes 196 self.check_other_types(base64.b64decode, b"YWJj", b"abc") 197 self.check_decode_type_errors(base64.b64decode) 198 199 # Test with arbitrary alternative characters 200 tests_altchars = {(b'01a*b$cd', b'*$'): b'\xd3V\xbeo\xf7\x1d', 201 } 202 for (data, altchars), res in tests_altchars.items(): 203 data_str = data.decode('ascii') 204 altchars_str = altchars.decode('ascii') 205 206 eq(base64.b64decode(data, altchars=altchars), res) 207 eq(base64.b64decode(data_str, altchars=altchars), res) 208 eq(base64.b64decode(data, altchars=altchars_str), res) 209 eq(base64.b64decode(data_str, altchars=altchars_str), res) 210 211 # Test standard alphabet 212 for data, res in tests.items(): 213 eq(base64.standard_b64decode(data), res) 214 eq(base64.standard_b64decode(data.decode('ascii')), res) 215 # Non-bytes 216 self.check_other_types(base64.standard_b64decode, b"YWJj", b"abc") 217 self.check_decode_type_errors(base64.standard_b64decode) 218 219 # Test with 'URL safe' alternative characters 220 tests_urlsafe = {b'01a-b_cd': b'\xd3V\xbeo\xf7\x1d', 221 b'': b'', 222 } 223 for data, res in tests_urlsafe.items(): 224 eq(base64.urlsafe_b64decode(data), res) 225 eq(base64.urlsafe_b64decode(data.decode('ascii')), res) 226 # Non-bytes 227 self.check_other_types(base64.urlsafe_b64decode, b'01a-b_cd', 228 b'\xd3V\xbeo\xf7\x1d') 229 self.check_decode_type_errors(base64.urlsafe_b64decode) 230 231 def test_b64decode_padding_error(self): 232 self.assertRaises(binascii.Error, base64.b64decode, b'abc') 233 self.assertRaises(binascii.Error, base64.b64decode, 'abc') 234 235 def test_b64decode_invalid_chars(self): 236 # issue 1466065: Test some invalid characters. 237 tests = ((b'%3d==', b'\xdd'), 238 (b'$3d==', b'\xdd'), 239 (b'[==', b''), 240 (b'YW]3=', b'am'), 241 (b'3{d==', b'\xdd'), 242 (b'3d}==', b'\xdd'), 243 (b'@@', b''), 244 (b'!', b''), 245 (b"YWJj\n", b"abc"), 246 (b'YWJj\nYWI=', b'abcab')) 247 funcs = ( 248 base64.b64decode, 249 base64.standard_b64decode, 250 base64.urlsafe_b64decode, 251 ) 252 for bstr, res in tests: 253 for func in funcs: 254 with self.subTest(bstr=bstr, func=func): 255 self.assertEqual(func(bstr), res) 256 self.assertEqual(func(bstr.decode('ascii')), res) 257 with self.assertRaises(binascii.Error): 258 base64.b64decode(bstr, validate=True) 259 with self.assertRaises(binascii.Error): 260 base64.b64decode(bstr.decode('ascii'), validate=True) 261 262 # Normal alphabet characters not discarded when alternative given 263 res = b'\xFB\xEF\xBE\xFF\xFF\xFF' 264 self.assertEqual(base64.b64decode(b'++[[//]]', b'[]'), res) 265 self.assertEqual(base64.urlsafe_b64decode(b'++--//__'), res) 266 267 def test_b32encode(self): 268 eq = self.assertEqual 269 eq(base64.b32encode(b''), b'') 270 eq(base64.b32encode(b'\x00'), b'AA======') 271 eq(base64.b32encode(b'a'), b'ME======') 272 eq(base64.b32encode(b'ab'), b'MFRA====') 273 eq(base64.b32encode(b'abc'), b'MFRGG===') 274 eq(base64.b32encode(b'abcd'), b'MFRGGZA=') 275 eq(base64.b32encode(b'abcde'), b'MFRGGZDF') 276 # Non-bytes 277 self.check_other_types(base64.b32encode, b'abcd', b'MFRGGZA=') 278 self.check_encode_type_errors(base64.b32encode) 279 280 def test_b32decode(self): 281 eq = self.assertEqual 282 tests = {b'': b'', 283 b'AA======': b'\x00', 284 b'ME======': b'a', 285 b'MFRA====': b'ab', 286 b'MFRGG===': b'abc', 287 b'MFRGGZA=': b'abcd', 288 b'MFRGGZDF': b'abcde', 289 } 290 for data, res in tests.items(): 291 eq(base64.b32decode(data), res) 292 eq(base64.b32decode(data.decode('ascii')), res) 293 # Non-bytes 294 self.check_other_types(base64.b32decode, b'MFRGG===', b"abc") 295 self.check_decode_type_errors(base64.b32decode) 296 297 def test_b32decode_casefold(self): 298 eq = self.assertEqual 299 tests = {b'': b'', 300 b'ME======': b'a', 301 b'MFRA====': b'ab', 302 b'MFRGG===': b'abc', 303 b'MFRGGZA=': b'abcd', 304 b'MFRGGZDF': b'abcde', 305 # Lower cases 306 b'me======': b'a', 307 b'mfra====': b'ab', 308 b'mfrgg===': b'abc', 309 b'mfrggza=': b'abcd', 310 b'mfrggzdf': b'abcde', 311 } 312 313 for data, res in tests.items(): 314 eq(base64.b32decode(data, True), res) 315 eq(base64.b32decode(data.decode('ascii'), True), res) 316 317 self.assertRaises(binascii.Error, base64.b32decode, b'me======') 318 self.assertRaises(binascii.Error, base64.b32decode, 'me======') 319 320 # Mapping zero and one 321 eq(base64.b32decode(b'MLO23456'), b'b\xdd\xad\xf3\xbe') 322 eq(base64.b32decode('MLO23456'), b'b\xdd\xad\xf3\xbe') 323 324 map_tests = {(b'M1023456', b'L'): b'b\xdd\xad\xf3\xbe', 325 (b'M1023456', b'I'): b'b\x1d\xad\xf3\xbe', 326 } 327 for (data, map01), res in map_tests.items(): 328 data_str = data.decode('ascii') 329 map01_str = map01.decode('ascii') 330 331 eq(base64.b32decode(data, map01=map01), res) 332 eq(base64.b32decode(data_str, map01=map01), res) 333 eq(base64.b32decode(data, map01=map01_str), res) 334 eq(base64.b32decode(data_str, map01=map01_str), res) 335 self.assertRaises(binascii.Error, base64.b32decode, data) 336 self.assertRaises(binascii.Error, base64.b32decode, data_str) 337 338 def test_b32decode_error(self): 339 tests = [b'abc', b'ABCDEF==', b'==ABCDEF'] 340 prefixes = [b'M', b'ME', b'MFRA', b'MFRGG', b'MFRGGZA', b'MFRGGZDF'] 341 for i in range(0, 17): 342 if i: 343 tests.append(b'='*i) 344 for prefix in prefixes: 345 if len(prefix) + i != 8: 346 tests.append(prefix + b'='*i) 347 for data in tests: 348 with self.subTest(data=data): 349 with self.assertRaises(binascii.Error): 350 base64.b32decode(data) 351 with self.assertRaises(binascii.Error): 352 base64.b32decode(data.decode('ascii')) 353 354 def test_b16encode(self): 355 eq = self.assertEqual 356 eq(base64.b16encode(b'\x01\x02\xab\xcd\xef'), b'0102ABCDEF') 357 eq(base64.b16encode(b'\x00'), b'00') 358 # Non-bytes 359 self.check_other_types(base64.b16encode, b'\x01\x02\xab\xcd\xef', 360 b'0102ABCDEF') 361 self.check_encode_type_errors(base64.b16encode) 362 363 def test_b16decode(self): 364 eq = self.assertEqual 365 eq(base64.b16decode(b'0102ABCDEF'), b'\x01\x02\xab\xcd\xef') 366 eq(base64.b16decode('0102ABCDEF'), b'\x01\x02\xab\xcd\xef') 367 eq(base64.b16decode(b'00'), b'\x00') 368 eq(base64.b16decode('00'), b'\x00') 369 # Lower case is not allowed without a flag 370 self.assertRaises(binascii.Error, base64.b16decode, b'0102abcdef') 371 self.assertRaises(binascii.Error, base64.b16decode, '0102abcdef') 372 # Case fold 373 eq(base64.b16decode(b'0102abcdef', True), b'\x01\x02\xab\xcd\xef') 374 eq(base64.b16decode('0102abcdef', True), b'\x01\x02\xab\xcd\xef') 375 # Non-bytes 376 self.check_other_types(base64.b16decode, b"0102ABCDEF", 377 b'\x01\x02\xab\xcd\xef') 378 self.check_decode_type_errors(base64.b16decode) 379 eq(base64.b16decode(bytearray(b"0102abcdef"), True), 380 b'\x01\x02\xab\xcd\xef') 381 eq(base64.b16decode(memoryview(b"0102abcdef"), True), 382 b'\x01\x02\xab\xcd\xef') 383 eq(base64.b16decode(array('B', b"0102abcdef"), True), 384 b'\x01\x02\xab\xcd\xef') 385 # Non-alphabet characters 386 self.assertRaises(binascii.Error, base64.b16decode, '0102AG') 387 # Incorrect "padding" 388 self.assertRaises(binascii.Error, base64.b16decode, '010') 389 390 def test_a85encode(self): 391 eq = self.assertEqual 392 393 tests = { 394 b'': b'', 395 b"www.python.org": b'GB\\6`E-ZP=Df.1GEb>', 396 bytes(range(255)): b"""!!*-'"9eu7#RLhG$k3[W&.oNg'GVB"(`=52*$$""" 397 b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE""" 398 b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN""" 399 b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU""" 400 b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd""" 401 b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`""" 402 b"""r;HT""", 403 b"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" 404 b"0123456789!@#0^&*();:<>,. []{}": 405 b'@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T' 406 b":Jand;cHat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P", 407 b"no padding..": b'DJpY:@:Wn_DJ(RS', 408 b"zero compression\0\0\0\0": b'H=_,8+Cf>,E,oN2F(oQ1z', 409 b"zero compression\0\0\0": b'H=_,8+Cf>,E,oN2F(oQ1!!!!', 410 b"Boundary:\0\0\0\0": b'6>q!aA79M(3WK-[!!', 411 b"Space compr: ": b';fH/TAKYK$D/aMV+<VdL', 412 b'\xff': b'rr', 413 b'\xff'*2: b's8N', 414 b'\xff'*3: b's8W*', 415 b'\xff'*4: b's8W-!', 416 } 417 418 for data, res in tests.items(): 419 eq(base64.a85encode(data), res, data) 420 eq(base64.a85encode(data, adobe=False), res, data) 421 eq(base64.a85encode(data, adobe=True), b'<~' + res + b'~>', data) 422 423 self.check_other_types(base64.a85encode, b"www.python.org", 424 b'GB\\6`E-ZP=Df.1GEb>') 425 426 self.assertRaises(TypeError, base64.a85encode, "") 427 428 eq(base64.a85encode(b"www.python.org", wrapcol=7, adobe=False), 429 b'GB\\6`E-\nZP=Df.1\nGEb>') 430 eq(base64.a85encode(b"\0\0\0\0www.python.org", wrapcol=7, adobe=False), 431 b'zGB\\6`E\n-ZP=Df.\n1GEb>') 432 eq(base64.a85encode(b"www.python.org", wrapcol=7, adobe=True), 433 b'<~GB\\6`\nE-ZP=Df\n.1GEb>\n~>') 434 435 eq(base64.a85encode(b' '*8, foldspaces=True, adobe=False), b'yy') 436 eq(base64.a85encode(b' '*7, foldspaces=True, adobe=False), b'y+<Vd') 437 eq(base64.a85encode(b' '*6, foldspaces=True, adobe=False), b'y+<U') 438 eq(base64.a85encode(b' '*5, foldspaces=True, adobe=False), b'y+9') 439 440 def test_b85encode(self): 441 eq = self.assertEqual 442 443 tests = { 444 b'': b'', 445 b'www.python.org': b'cXxL#aCvlSZ*DGca%T', 446 bytes(range(255)): b"""009C61O)~M2nh-c3=Iws5D^j+6crX17#SKH9337X""" 447 b"""AR!_nBqb&%C@Cr{EG;fCFflSSG&MFiI5|2yJUu=?KtV!7L`6nNNJ&ad""" 448 b"""OifNtP*GA-R8>}2SXo+ITwPvYU}0ioWMyV&XlZI|Y;A6DaB*^Tbai%j""" 449 b"""czJqze0_d@fPsR8goTEOh>41ejE#<ukdcy;l$Dm3n3<ZJoSmMZprN9p""" 450 b"""q@|{(sHv)}tgWuEu(7hUw6(UkxVgH!yuH4^z`?@9#Kp$P$jQpf%+1cv""" 451 b"""(9zP<)YaD4*xB0K+}+;a;Njxq<mKk)=;`X~?CtLF@bU8V^!4`l`1$(#""" 452 b"""{Qdp""", 453 b"""abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ""" 454 b"""0123456789!@#0^&*();:<>,. []{}""": 455 b"""VPa!sWoBn+X=-b1ZEkOHadLBXb#`}nd3r%YLqtVJM@UIZOH55pPf$@(""" 456 b"""Q&d$}S6EqEFflSSG&MFiI5{CeBQRbjDkv#CIy^osE+AW7dwl""", 457 b'no padding..': b'Zf_uPVPs@!Zf7no', 458 b'zero compression\x00\x00\x00\x00': b'dS!BNAY*TBaB^jHb7^mG00000', 459 b'zero compression\x00\x00\x00': b'dS!BNAY*TBaB^jHb7^mG0000', 460 b"""Boundary:\x00\x00\x00\x00""": b"""LT`0$WMOi7IsgCw00""", 461 b'Space compr: ': b'Q*dEpWgug3ZE$irARr(h', 462 b'\xff': b'{{', 463 b'\xff'*2: b'|Nj', 464 b'\xff'*3: b'|Ns9', 465 b'\xff'*4: b'|NsC0', 466 } 467 468 for data, res in tests.items(): 469 eq(base64.b85encode(data), res) 470 471 self.check_other_types(base64.b85encode, b"www.python.org", 472 b'cXxL#aCvlSZ*DGca%T') 473 474 def test_a85decode(self): 475 eq = self.assertEqual 476 477 tests = { 478 b'': b'', 479 b'GB\\6`E-ZP=Df.1GEb>': b'www.python.org', 480 b"""! ! * -'"\n\t\t9eu\r\n7# RL\vhG$k3[W&.oNg'GVB"(`=52*$$""" 481 b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE""" 482 b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN""" 483 b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU""" 484 b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd""" 485 b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`""" 486 b"""r;HT""": bytes(range(255)), 487 b"""@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T:Jand;c""" 488 b"""Hat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P""": 489 b'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234' 490 b'56789!@#0^&*();:<>,. []{}', 491 b'DJpY:@:Wn_DJ(RS': b'no padding..', 492 b'H=_,8+Cf>,E,oN2F(oQ1z': b'zero compression\x00\x00\x00\x00', 493 b'H=_,8+Cf>,E,oN2F(oQ1!!!!': b'zero compression\x00\x00\x00', 494 b'6>q!aA79M(3WK-[!!': b"Boundary:\x00\x00\x00\x00", 495 b';fH/TAKYK$D/aMV+<VdL': b'Space compr: ', 496 b'rr': b'\xff', 497 b's8N': b'\xff'*2, 498 b's8W*': b'\xff'*3, 499 b's8W-!': b'\xff'*4, 500 } 501 502 for data, res in tests.items(): 503 eq(base64.a85decode(data), res, data) 504 eq(base64.a85decode(data, adobe=False), res, data) 505 eq(base64.a85decode(data.decode("ascii"), adobe=False), res, data) 506 eq(base64.a85decode(b'<~' + data + b'~>', adobe=True), res, data) 507 eq(base64.a85decode(data + b'~>', adobe=True), res, data) 508 eq(base64.a85decode('<~%s~>' % data.decode("ascii"), adobe=True), 509 res, data) 510 511 eq(base64.a85decode(b'yy', foldspaces=True, adobe=False), b' '*8) 512 eq(base64.a85decode(b'y+<Vd', foldspaces=True, adobe=False), b' '*7) 513 eq(base64.a85decode(b'y+<U', foldspaces=True, adobe=False), b' '*6) 514 eq(base64.a85decode(b'y+9', foldspaces=True, adobe=False), b' '*5) 515 516 self.check_other_types(base64.a85decode, b'GB\\6`E-ZP=Df.1GEb>', 517 b"www.python.org") 518 519 def test_b85decode(self): 520 eq = self.assertEqual 521 522 tests = { 523 b'': b'', 524 b'cXxL#aCvlSZ*DGca%T': b'www.python.org', 525 b"""009C61O)~M2nh-c3=Iws5D^j+6crX17#SKH9337X""" 526 b"""AR!_nBqb&%C@Cr{EG;fCFflSSG&MFiI5|2yJUu=?KtV!7L`6nNNJ&ad""" 527 b"""OifNtP*GA-R8>}2SXo+ITwPvYU}0ioWMyV&XlZI|Y;A6DaB*^Tbai%j""" 528 b"""czJqze0_d@fPsR8goTEOh>41ejE#<ukdcy;l$Dm3n3<ZJoSmMZprN9p""" 529 b"""q@|{(sHv)}tgWuEu(7hUw6(UkxVgH!yuH4^z`?@9#Kp$P$jQpf%+1cv""" 530 b"""(9zP<)YaD4*xB0K+}+;a;Njxq<mKk)=;`X~?CtLF@bU8V^!4`l`1$(#""" 531 b"""{Qdp""": bytes(range(255)), 532 b"""VPa!sWoBn+X=-b1ZEkOHadLBXb#`}nd3r%YLqtVJM@UIZOH55pPf$@(""" 533 b"""Q&d$}S6EqEFflSSG&MFiI5{CeBQRbjDkv#CIy^osE+AW7dwl""": 534 b"""abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ""" 535 b"""0123456789!@#0^&*();:<>,. []{}""", 536 b'Zf_uPVPs@!Zf7no': b'no padding..', 537 b'dS!BNAY*TBaB^jHb7^mG00000': b'zero compression\x00\x00\x00\x00', 538 b'dS!BNAY*TBaB^jHb7^mG0000': b'zero compression\x00\x00\x00', 539 b"""LT`0$WMOi7IsgCw00""": b"""Boundary:\x00\x00\x00\x00""", 540 b'Q*dEpWgug3ZE$irARr(h': b'Space compr: ', 541 b'{{': b'\xff', 542 b'|Nj': b'\xff'*2, 543 b'|Ns9': b'\xff'*3, 544 b'|NsC0': b'\xff'*4, 545 } 546 547 for data, res in tests.items(): 548 eq(base64.b85decode(data), res) 549 eq(base64.b85decode(data.decode("ascii")), res) 550 551 self.check_other_types(base64.b85decode, b'cXxL#aCvlSZ*DGca%T', 552 b"www.python.org") 553 554 def test_a85_padding(self): 555 eq = self.assertEqual 556 557 eq(base64.a85encode(b"x", pad=True), b'GQ7^D') 558 eq(base64.a85encode(b"xx", pad=True), b"G^'2g") 559 eq(base64.a85encode(b"xxx", pad=True), b'G^+H5') 560 eq(base64.a85encode(b"xxxx", pad=True), b'G^+IX') 561 eq(base64.a85encode(b"xxxxx", pad=True), b'G^+IXGQ7^D') 562 563 eq(base64.a85decode(b'GQ7^D'), b"x\x00\x00\x00") 564 eq(base64.a85decode(b"G^'2g"), b"xx\x00\x00") 565 eq(base64.a85decode(b'G^+H5'), b"xxx\x00") 566 eq(base64.a85decode(b'G^+IX'), b"xxxx") 567 eq(base64.a85decode(b'G^+IXGQ7^D'), b"xxxxx\x00\x00\x00") 568 569 def test_b85_padding(self): 570 eq = self.assertEqual 571 572 eq(base64.b85encode(b"x", pad=True), b'cmMzZ') 573 eq(base64.b85encode(b"xx", pad=True), b'cz6H+') 574 eq(base64.b85encode(b"xxx", pad=True), b'czAdK') 575 eq(base64.b85encode(b"xxxx", pad=True), b'czAet') 576 eq(base64.b85encode(b"xxxxx", pad=True), b'czAetcmMzZ') 577 578 eq(base64.b85decode(b'cmMzZ'), b"x\x00\x00\x00") 579 eq(base64.b85decode(b'cz6H+'), b"xx\x00\x00") 580 eq(base64.b85decode(b'czAdK'), b"xxx\x00") 581 eq(base64.b85decode(b'czAet'), b"xxxx") 582 eq(base64.b85decode(b'czAetcmMzZ'), b"xxxxx\x00\x00\x00") 583 584 def test_a85decode_errors(self): 585 illegal = (set(range(32)) | set(range(118, 256))) - set(b' \t\n\r\v') 586 for c in illegal: 587 with self.assertRaises(ValueError, msg=bytes([c])): 588 base64.a85decode(b'!!!!' + bytes([c])) 589 with self.assertRaises(ValueError, msg=bytes([c])): 590 base64.a85decode(b'!!!!' + bytes([c]), adobe=False) 591 with self.assertRaises(ValueError, msg=bytes([c])): 592 base64.a85decode(b'<~!!!!' + bytes([c]) + b'~>', adobe=True) 593 594 self.assertRaises(ValueError, base64.a85decode, 595 b"malformed", adobe=True) 596 self.assertRaises(ValueError, base64.a85decode, 597 b"<~still malformed", adobe=True) 598 599 # With adobe=False (the default), Adobe framing markers are disallowed 600 self.assertRaises(ValueError, base64.a85decode, 601 b"<~~>") 602 self.assertRaises(ValueError, base64.a85decode, 603 b"<~~>", adobe=False) 604 base64.a85decode(b"<~~>", adobe=True) # sanity check 605 606 self.assertRaises(ValueError, base64.a85decode, 607 b"abcx", adobe=False) 608 self.assertRaises(ValueError, base64.a85decode, 609 b"abcdey", adobe=False) 610 self.assertRaises(ValueError, base64.a85decode, 611 b"a b\nc", adobe=False, ignorechars=b"") 612 613 self.assertRaises(ValueError, base64.a85decode, b's', adobe=False) 614 self.assertRaises(ValueError, base64.a85decode, b's8', adobe=False) 615 self.assertRaises(ValueError, base64.a85decode, b's8W', adobe=False) 616 self.assertRaises(ValueError, base64.a85decode, b's8W-', adobe=False) 617 self.assertRaises(ValueError, base64.a85decode, b's8W-"', adobe=False) 618 619 def test_b85decode_errors(self): 620 illegal = list(range(33)) + \ 621 list(b'"\',./:[\\]') + \ 622 list(range(128, 256)) 623 for c in illegal: 624 with self.assertRaises(ValueError, msg=bytes([c])): 625 base64.b85decode(b'0000' + bytes([c])) 626 627 self.assertRaises(ValueError, base64.b85decode, b'|') 628 self.assertRaises(ValueError, base64.b85decode, b'|N') 629 self.assertRaises(ValueError, base64.b85decode, b'|Ns') 630 self.assertRaises(ValueError, base64.b85decode, b'|NsC') 631 self.assertRaises(ValueError, base64.b85decode, b'|NsC1') 632 633 def test_decode_nonascii_str(self): 634 decode_funcs = (base64.b64decode, 635 base64.standard_b64decode, 636 base64.urlsafe_b64decode, 637 base64.b32decode, 638 base64.b16decode, 639 base64.b85decode, 640 base64.a85decode) 641 for f in decode_funcs: 642 self.assertRaises(ValueError, f, 'with non-ascii \xcb') 643 644 def test_ErrorHeritage(self): 645 self.assertTrue(issubclass(binascii.Error, ValueError)) 646 647 648class TestMain(unittest.TestCase): 649 def tearDown(self): 650 if os.path.exists(support.TESTFN): 651 os.unlink(support.TESTFN) 652 653 def get_output(self, *args): 654 return script_helper.assert_python_ok('-m', 'base64', *args).out 655 656 def test_encode_decode(self): 657 output = self.get_output('-t') 658 self.assertSequenceEqual(output.splitlines(), ( 659 b"b'Aladdin:open sesame'", 660 br"b'QWxhZGRpbjpvcGVuIHNlc2FtZQ==\n'", 661 b"b'Aladdin:open sesame'", 662 )) 663 664 def test_encode_file(self): 665 with open(support.TESTFN, 'wb') as fp: 666 fp.write(b'a\xffb\n') 667 output = self.get_output('-e', support.TESTFN) 668 self.assertEqual(output.rstrip(), b'Yf9iCg==') 669 670 def test_encode_from_stdin(self): 671 with script_helper.spawn_python('-m', 'base64', '-e') as proc: 672 out, err = proc.communicate(b'a\xffb\n') 673 self.assertEqual(out.rstrip(), b'Yf9iCg==') 674 self.assertIsNone(err) 675 676 def test_decode(self): 677 with open(support.TESTFN, 'wb') as fp: 678 fp.write(b'Yf9iCg==') 679 output = self.get_output('-d', support.TESTFN) 680 self.assertEqual(output.rstrip(), b'a\xffb') 681 682if __name__ == '__main__': 683 unittest.main() 684