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 tests = [b'abc', b'ABCDEF==', b'==ABCDEF'] 347 prefixes = [b'M', b'ME', b'MFRA', b'MFRGG', b'MFRGGZA', b'MFRGGZDF'] 348 for i in range(0, 17): 349 if i: 350 tests.append(b'='*i) 351 for prefix in prefixes: 352 if len(prefix) + i != 8: 353 tests.append(prefix + b'='*i) 354 for data in tests: 355 with self.subTest(data=data): 356 with self.assertRaises(binascii.Error): 357 base64.b32decode(data) 358 with self.assertRaises(binascii.Error): 359 base64.b32decode(data.decode('ascii')) 360 361 def test_b16encode(self): 362 eq = self.assertEqual 363 eq(base64.b16encode(b'\x01\x02\xab\xcd\xef'), b'0102ABCDEF') 364 eq(base64.b16encode(b'\x00'), b'00') 365 # Non-bytes 366 self.check_other_types(base64.b16encode, b'\x01\x02\xab\xcd\xef', 367 b'0102ABCDEF') 368 self.check_encode_type_errors(base64.b16encode) 369 370 def test_b16decode(self): 371 eq = self.assertEqual 372 eq(base64.b16decode(b'0102ABCDEF'), b'\x01\x02\xab\xcd\xef') 373 eq(base64.b16decode('0102ABCDEF'), b'\x01\x02\xab\xcd\xef') 374 eq(base64.b16decode(b'00'), b'\x00') 375 eq(base64.b16decode('00'), b'\x00') 376 # Lower case is not allowed without a flag 377 self.assertRaises(binascii.Error, base64.b16decode, b'0102abcdef') 378 self.assertRaises(binascii.Error, base64.b16decode, '0102abcdef') 379 # Case fold 380 eq(base64.b16decode(b'0102abcdef', True), b'\x01\x02\xab\xcd\xef') 381 eq(base64.b16decode('0102abcdef', True), b'\x01\x02\xab\xcd\xef') 382 # Non-bytes 383 self.check_other_types(base64.b16decode, b"0102ABCDEF", 384 b'\x01\x02\xab\xcd\xef') 385 self.check_decode_type_errors(base64.b16decode) 386 eq(base64.b16decode(bytearray(b"0102abcdef"), True), 387 b'\x01\x02\xab\xcd\xef') 388 eq(base64.b16decode(memoryview(b"0102abcdef"), True), 389 b'\x01\x02\xab\xcd\xef') 390 eq(base64.b16decode(array('B', b"0102abcdef"), True), 391 b'\x01\x02\xab\xcd\xef') 392 # Non-alphabet characters 393 self.assertRaises(binascii.Error, base64.b16decode, '0102AG') 394 # Incorrect "padding" 395 self.assertRaises(binascii.Error, base64.b16decode, '010') 396 397 def test_a85encode(self): 398 eq = self.assertEqual 399 400 tests = { 401 b'': b'', 402 b"www.python.org": b'GB\\6`E-ZP=Df.1GEb>', 403 bytes(range(255)): b"""!!*-'"9eu7#RLhG$k3[W&.oNg'GVB"(`=52*$$""" 404 b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE""" 405 b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN""" 406 b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU""" 407 b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd""" 408 b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`""" 409 b"""r;HT""", 410 b"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" 411 b"0123456789!@#0^&*();:<>,. []{}": 412 b'@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T' 413 b":Jand;cHat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P", 414 b"no padding..": b'DJpY:@:Wn_DJ(RS', 415 b"zero compression\0\0\0\0": b'H=_,8+Cf>,E,oN2F(oQ1z', 416 b"zero compression\0\0\0": b'H=_,8+Cf>,E,oN2F(oQ1!!!!', 417 b"Boundary:\0\0\0\0": b'6>q!aA79M(3WK-[!!', 418 b"Space compr: ": b';fH/TAKYK$D/aMV+<VdL', 419 b'\xff': b'rr', 420 b'\xff'*2: b's8N', 421 b'\xff'*3: b's8W*', 422 b'\xff'*4: b's8W-!', 423 } 424 425 for data, res in tests.items(): 426 eq(base64.a85encode(data), res, data) 427 eq(base64.a85encode(data, adobe=False), res, data) 428 eq(base64.a85encode(data, adobe=True), b'<~' + res + b'~>', data) 429 430 self.check_other_types(base64.a85encode, b"www.python.org", 431 b'GB\\6`E-ZP=Df.1GEb>') 432 433 self.assertRaises(TypeError, base64.a85encode, "") 434 435 eq(base64.a85encode(b"www.python.org", wrapcol=7, adobe=False), 436 b'GB\\6`E-\nZP=Df.1\nGEb>') 437 eq(base64.a85encode(b"\0\0\0\0www.python.org", wrapcol=7, adobe=False), 438 b'zGB\\6`E\n-ZP=Df.\n1GEb>') 439 eq(base64.a85encode(b"www.python.org", wrapcol=7, adobe=True), 440 b'<~GB\\6`\nE-ZP=Df\n.1GEb>\n~>') 441 442 eq(base64.a85encode(b' '*8, foldspaces=True, adobe=False), b'yy') 443 eq(base64.a85encode(b' '*7, foldspaces=True, adobe=False), b'y+<Vd') 444 eq(base64.a85encode(b' '*6, foldspaces=True, adobe=False), b'y+<U') 445 eq(base64.a85encode(b' '*5, foldspaces=True, adobe=False), b'y+9') 446 447 def test_b85encode(self): 448 eq = self.assertEqual 449 450 tests = { 451 b'': b'', 452 b'www.python.org': b'cXxL#aCvlSZ*DGca%T', 453 bytes(range(255)): b"""009C61O)~M2nh-c3=Iws5D^j+6crX17#SKH9337X""" 454 b"""AR!_nBqb&%C@Cr{EG;fCFflSSG&MFiI5|2yJUu=?KtV!7L`6nNNJ&ad""" 455 b"""OifNtP*GA-R8>}2SXo+ITwPvYU}0ioWMyV&XlZI|Y;A6DaB*^Tbai%j""" 456 b"""czJqze0_d@fPsR8goTEOh>41ejE#<ukdcy;l$Dm3n3<ZJoSmMZprN9p""" 457 b"""q@|{(sHv)}tgWuEu(7hUw6(UkxVgH!yuH4^z`?@9#Kp$P$jQpf%+1cv""" 458 b"""(9zP<)YaD4*xB0K+}+;a;Njxq<mKk)=;`X~?CtLF@bU8V^!4`l`1$(#""" 459 b"""{Qdp""", 460 b"""abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ""" 461 b"""0123456789!@#0^&*();:<>,. []{}""": 462 b"""VPa!sWoBn+X=-b1ZEkOHadLBXb#`}nd3r%YLqtVJM@UIZOH55pPf$@(""" 463 b"""Q&d$}S6EqEFflSSG&MFiI5{CeBQRbjDkv#CIy^osE+AW7dwl""", 464 b'no padding..': b'Zf_uPVPs@!Zf7no', 465 b'zero compression\x00\x00\x00\x00': b'dS!BNAY*TBaB^jHb7^mG00000', 466 b'zero compression\x00\x00\x00': b'dS!BNAY*TBaB^jHb7^mG0000', 467 b"""Boundary:\x00\x00\x00\x00""": b"""LT`0$WMOi7IsgCw00""", 468 b'Space compr: ': b'Q*dEpWgug3ZE$irARr(h', 469 b'\xff': b'{{', 470 b'\xff'*2: b'|Nj', 471 b'\xff'*3: b'|Ns9', 472 b'\xff'*4: b'|NsC0', 473 } 474 475 for data, res in tests.items(): 476 eq(base64.b85encode(data), res) 477 478 self.check_other_types(base64.b85encode, b"www.python.org", 479 b'cXxL#aCvlSZ*DGca%T') 480 481 def test_a85decode(self): 482 eq = self.assertEqual 483 484 tests = { 485 b'': b'', 486 b'GB\\6`E-ZP=Df.1GEb>': b'www.python.org', 487 b"""! ! * -'"\n\t\t9eu\r\n7# RL\vhG$k3[W&.oNg'GVB"(`=52*$$""" 488 b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE""" 489 b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN""" 490 b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU""" 491 b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd""" 492 b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`""" 493 b"""r;HT""": bytes(range(255)), 494 b"""@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T:Jand;c""" 495 b"""Hat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P""": 496 b'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234' 497 b'56789!@#0^&*();:<>,. []{}', 498 b'DJpY:@:Wn_DJ(RS': b'no padding..', 499 b'H=_,8+Cf>,E,oN2F(oQ1z': b'zero compression\x00\x00\x00\x00', 500 b'H=_,8+Cf>,E,oN2F(oQ1!!!!': b'zero compression\x00\x00\x00', 501 b'6>q!aA79M(3WK-[!!': b"Boundary:\x00\x00\x00\x00", 502 b';fH/TAKYK$D/aMV+<VdL': b'Space compr: ', 503 b'rr': b'\xff', 504 b's8N': b'\xff'*2, 505 b's8W*': b'\xff'*3, 506 b's8W-!': b'\xff'*4, 507 } 508 509 for data, res in tests.items(): 510 eq(base64.a85decode(data), res, data) 511 eq(base64.a85decode(data, adobe=False), res, data) 512 eq(base64.a85decode(data.decode("ascii"), adobe=False), res, data) 513 eq(base64.a85decode(b'<~' + data + b'~>', adobe=True), res, data) 514 eq(base64.a85decode(data + b'~>', adobe=True), res, data) 515 eq(base64.a85decode('<~%s~>' % data.decode("ascii"), adobe=True), 516 res, data) 517 518 eq(base64.a85decode(b'yy', foldspaces=True, adobe=False), b' '*8) 519 eq(base64.a85decode(b'y+<Vd', foldspaces=True, adobe=False), b' '*7) 520 eq(base64.a85decode(b'y+<U', foldspaces=True, adobe=False), b' '*6) 521 eq(base64.a85decode(b'y+9', foldspaces=True, adobe=False), b' '*5) 522 523 self.check_other_types(base64.a85decode, b'GB\\6`E-ZP=Df.1GEb>', 524 b"www.python.org") 525 526 def test_b85decode(self): 527 eq = self.assertEqual 528 529 tests = { 530 b'': b'', 531 b'cXxL#aCvlSZ*DGca%T': b'www.python.org', 532 b"""009C61O)~M2nh-c3=Iws5D^j+6crX17#SKH9337X""" 533 b"""AR!_nBqb&%C@Cr{EG;fCFflSSG&MFiI5|2yJUu=?KtV!7L`6nNNJ&ad""" 534 b"""OifNtP*GA-R8>}2SXo+ITwPvYU}0ioWMyV&XlZI|Y;A6DaB*^Tbai%j""" 535 b"""czJqze0_d@fPsR8goTEOh>41ejE#<ukdcy;l$Dm3n3<ZJoSmMZprN9p""" 536 b"""q@|{(sHv)}tgWuEu(7hUw6(UkxVgH!yuH4^z`?@9#Kp$P$jQpf%+1cv""" 537 b"""(9zP<)YaD4*xB0K+}+;a;Njxq<mKk)=;`X~?CtLF@bU8V^!4`l`1$(#""" 538 b"""{Qdp""": bytes(range(255)), 539 b"""VPa!sWoBn+X=-b1ZEkOHadLBXb#`}nd3r%YLqtVJM@UIZOH55pPf$@(""" 540 b"""Q&d$}S6EqEFflSSG&MFiI5{CeBQRbjDkv#CIy^osE+AW7dwl""": 541 b"""abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ""" 542 b"""0123456789!@#0^&*();:<>,. []{}""", 543 b'Zf_uPVPs@!Zf7no': b'no padding..', 544 b'dS!BNAY*TBaB^jHb7^mG00000': b'zero compression\x00\x00\x00\x00', 545 b'dS!BNAY*TBaB^jHb7^mG0000': b'zero compression\x00\x00\x00', 546 b"""LT`0$WMOi7IsgCw00""": b"""Boundary:\x00\x00\x00\x00""", 547 b'Q*dEpWgug3ZE$irARr(h': b'Space compr: ', 548 b'{{': b'\xff', 549 b'|Nj': b'\xff'*2, 550 b'|Ns9': b'\xff'*3, 551 b'|NsC0': b'\xff'*4, 552 } 553 554 for data, res in tests.items(): 555 eq(base64.b85decode(data), res) 556 eq(base64.b85decode(data.decode("ascii")), res) 557 558 self.check_other_types(base64.b85decode, b'cXxL#aCvlSZ*DGca%T', 559 b"www.python.org") 560 561 def test_a85_padding(self): 562 eq = self.assertEqual 563 564 eq(base64.a85encode(b"x", pad=True), b'GQ7^D') 565 eq(base64.a85encode(b"xx", pad=True), b"G^'2g") 566 eq(base64.a85encode(b"xxx", pad=True), b'G^+H5') 567 eq(base64.a85encode(b"xxxx", pad=True), b'G^+IX') 568 eq(base64.a85encode(b"xxxxx", pad=True), b'G^+IXGQ7^D') 569 570 eq(base64.a85decode(b'GQ7^D'), b"x\x00\x00\x00") 571 eq(base64.a85decode(b"G^'2g"), b"xx\x00\x00") 572 eq(base64.a85decode(b'G^+H5'), b"xxx\x00") 573 eq(base64.a85decode(b'G^+IX'), b"xxxx") 574 eq(base64.a85decode(b'G^+IXGQ7^D'), b"xxxxx\x00\x00\x00") 575 576 def test_b85_padding(self): 577 eq = self.assertEqual 578 579 eq(base64.b85encode(b"x", pad=True), b'cmMzZ') 580 eq(base64.b85encode(b"xx", pad=True), b'cz6H+') 581 eq(base64.b85encode(b"xxx", pad=True), b'czAdK') 582 eq(base64.b85encode(b"xxxx", pad=True), b'czAet') 583 eq(base64.b85encode(b"xxxxx", pad=True), b'czAetcmMzZ') 584 585 eq(base64.b85decode(b'cmMzZ'), b"x\x00\x00\x00") 586 eq(base64.b85decode(b'cz6H+'), b"xx\x00\x00") 587 eq(base64.b85decode(b'czAdK'), b"xxx\x00") 588 eq(base64.b85decode(b'czAet'), b"xxxx") 589 eq(base64.b85decode(b'czAetcmMzZ'), b"xxxxx\x00\x00\x00") 590 591 def test_a85decode_errors(self): 592 illegal = (set(range(32)) | set(range(118, 256))) - set(b' \t\n\r\v') 593 for c in illegal: 594 with self.assertRaises(ValueError, msg=bytes([c])): 595 base64.a85decode(b'!!!!' + bytes([c])) 596 with self.assertRaises(ValueError, msg=bytes([c])): 597 base64.a85decode(b'!!!!' + bytes([c]), adobe=False) 598 with self.assertRaises(ValueError, msg=bytes([c])): 599 base64.a85decode(b'<~!!!!' + bytes([c]) + b'~>', adobe=True) 600 601 self.assertRaises(ValueError, base64.a85decode, 602 b"malformed", adobe=True) 603 self.assertRaises(ValueError, base64.a85decode, 604 b"<~still malformed", adobe=True) 605 606 # With adobe=False (the default), Adobe framing markers are disallowed 607 self.assertRaises(ValueError, base64.a85decode, 608 b"<~~>") 609 self.assertRaises(ValueError, base64.a85decode, 610 b"<~~>", adobe=False) 611 base64.a85decode(b"<~~>", adobe=True) # sanity check 612 613 self.assertRaises(ValueError, base64.a85decode, 614 b"abcx", adobe=False) 615 self.assertRaises(ValueError, base64.a85decode, 616 b"abcdey", adobe=False) 617 self.assertRaises(ValueError, base64.a85decode, 618 b"a b\nc", adobe=False, ignorechars=b"") 619 620 self.assertRaises(ValueError, base64.a85decode, b's', adobe=False) 621 self.assertRaises(ValueError, base64.a85decode, b's8', adobe=False) 622 self.assertRaises(ValueError, base64.a85decode, b's8W', adobe=False) 623 self.assertRaises(ValueError, base64.a85decode, b's8W-', adobe=False) 624 self.assertRaises(ValueError, base64.a85decode, b's8W-"', adobe=False) 625 626 def test_b85decode_errors(self): 627 illegal = list(range(33)) + \ 628 list(b'"\',./:[\\]') + \ 629 list(range(128, 256)) 630 for c in illegal: 631 with self.assertRaises(ValueError, msg=bytes([c])): 632 base64.b85decode(b'0000' + bytes([c])) 633 634 self.assertRaises(ValueError, base64.b85decode, b'|') 635 self.assertRaises(ValueError, base64.b85decode, b'|N') 636 self.assertRaises(ValueError, base64.b85decode, b'|Ns') 637 self.assertRaises(ValueError, base64.b85decode, b'|NsC') 638 self.assertRaises(ValueError, base64.b85decode, b'|NsC1') 639 640 def test_decode_nonascii_str(self): 641 decode_funcs = (base64.b64decode, 642 base64.standard_b64decode, 643 base64.urlsafe_b64decode, 644 base64.b32decode, 645 base64.b16decode, 646 base64.b85decode, 647 base64.a85decode) 648 for f in decode_funcs: 649 self.assertRaises(ValueError, f, 'with non-ascii \xcb') 650 651 def test_ErrorHeritage(self): 652 self.assertTrue(issubclass(binascii.Error, ValueError)) 653 654 655class TestMain(unittest.TestCase): 656 def tearDown(self): 657 if os.path.exists(support.TESTFN): 658 os.unlink(support.TESTFN) 659 660 def get_output(self, *args): 661 return script_helper.assert_python_ok('-m', 'base64', *args).out 662 663 def test_encode_decode(self): 664 output = self.get_output('-t') 665 self.assertSequenceEqual(output.splitlines(), ( 666 b"b'Aladdin:open sesame'", 667 br"b'QWxhZGRpbjpvcGVuIHNlc2FtZQ==\n'", 668 b"b'Aladdin:open sesame'", 669 )) 670 671 def test_encode_file(self): 672 with open(support.TESTFN, 'wb') as fp: 673 fp.write(b'a\xffb\n') 674 output = self.get_output('-e', support.TESTFN) 675 self.assertEqual(output.rstrip(), b'Yf9iCg==') 676 677 def test_encode_from_stdin(self): 678 with script_helper.spawn_python('-m', 'base64', '-e') as proc: 679 out, err = proc.communicate(b'a\xffb\n') 680 self.assertEqual(out.rstrip(), b'Yf9iCg==') 681 self.assertIsNone(err) 682 683 def test_decode(self): 684 with open(support.TESTFN, 'wb') as fp: 685 fp.write(b'Yf9iCg==') 686 output = self.get_output('-d', support.TESTFN) 687 self.assertEqual(output.rstrip(), b'a\xffb') 688 689if __name__ == '__main__': 690 unittest.main() 691