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