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Save
Rename
import unittest import base64 import binascii import os from array import array from test.support import os_helper from test.support import script_helper class LegacyBase64TestCase(unittest.TestCase): # Legacy API is not as permissive as the modern API def check_type_errors(self, f): self.assertRaises(TypeError, f, "") self.assertRaises(TypeError, f, []) multidimensional = memoryview(b"1234").cast('B', (2, 2)) self.assertRaises(TypeError, f, multidimensional) int_data = memoryview(b"1234").cast('I') self.assertRaises(TypeError, f, int_data) def test_encodebytes(self): eq = self.assertEqual eq(base64.encodebytes(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=\n") eq(base64.encodebytes(b"a"), b"YQ==\n") eq(base64.encodebytes(b"ab"), b"YWI=\n") eq(base64.encodebytes(b"abc"), b"YWJj\n") eq(base64.encodebytes(b""), b"") eq(base64.encodebytes(b"abcdefghijklmnopqrstuvwxyz" b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" b"0123456789!@#0^&*();:<>,. []{}"), b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n") # Non-bytes eq(base64.encodebytes(bytearray(b'abc')), b'YWJj\n') eq(base64.encodebytes(memoryview(b'abc')), b'YWJj\n') eq(base64.encodebytes(array('B', b'abc')), b'YWJj\n') self.check_type_errors(base64.encodebytes) def test_decodebytes(self): eq = self.assertEqual eq(base64.decodebytes(b"d3d3LnB5dGhvbi5vcmc=\n"), b"www.python.org") eq(base64.decodebytes(b"YQ==\n"), b"a") eq(base64.decodebytes(b"YWI=\n"), b"ab") eq(base64.decodebytes(b"YWJj\n"), b"abc") eq(base64.decodebytes(b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n"), b"abcdefghijklmnopqrstuvwxyz" b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" b"0123456789!@#0^&*();:<>,. []{}") eq(base64.decodebytes(b''), b'') # Non-bytes eq(base64.decodebytes(bytearray(b'YWJj\n')), b'abc') eq(base64.decodebytes(memoryview(b'YWJj\n')), b'abc') eq(base64.decodebytes(array('B', b'YWJj\n')), b'abc') self.check_type_errors(base64.decodebytes) def test_encode(self): eq = self.assertEqual from io import BytesIO, StringIO infp = BytesIO(b'abcdefghijklmnopqrstuvwxyz' b'ABCDEFGHIJKLMNOPQRSTUVWXYZ' b'0123456789!@#0^&*();:<>,. []{}') outfp = BytesIO() base64.encode(infp, outfp) eq(outfp.getvalue(), b'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE' b'RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT' b'Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n') # Non-binary files self.assertRaises(TypeError, base64.encode, StringIO('abc'), BytesIO()) self.assertRaises(TypeError, base64.encode, BytesIO(b'abc'), StringIO()) self.assertRaises(TypeError, base64.encode, StringIO('abc'), StringIO()) def test_decode(self): from io import BytesIO, StringIO infp = BytesIO(b'd3d3LnB5dGhvbi5vcmc=') outfp = BytesIO() base64.decode(infp, outfp) self.assertEqual(outfp.getvalue(), b'www.python.org') # Non-binary files self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), BytesIO()) self.assertRaises(TypeError, base64.encode, BytesIO(b'YWJj\n'), StringIO()) self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), StringIO()) class BaseXYTestCase(unittest.TestCase): # Modern API completely ignores exported dimension and format data and # treats any buffer as a stream of bytes def check_encode_type_errors(self, f): self.assertRaises(TypeError, f, "") self.assertRaises(TypeError, f, []) def check_decode_type_errors(self, f): self.assertRaises(TypeError, f, []) def check_other_types(self, f, bytes_data, expected): eq = self.assertEqual b = bytearray(bytes_data) eq(f(b), expected) # The bytearray wasn't mutated eq(b, bytes_data) eq(f(memoryview(bytes_data)), expected) eq(f(array('B', bytes_data)), expected) # XXX why is b64encode hardcoded here? self.check_nonbyte_element_format(base64.b64encode, bytes_data) self.check_multidimensional(base64.b64encode, bytes_data) def check_multidimensional(self, f, data): padding = b"\x00" if len(data) % 2 else b"" bytes_data = data + padding # Make sure cast works shape = (len(bytes_data) // 2, 2) multidimensional = memoryview(bytes_data).cast('B', shape) self.assertEqual(f(multidimensional), f(bytes_data)) def check_nonbyte_element_format(self, f, data): padding = b"\x00" * ((4 - len(data)) % 4) bytes_data = data + padding # Make sure cast works int_data = memoryview(bytes_data).cast('I') self.assertEqual(f(int_data), f(bytes_data)) def test_b64encode(self): eq = self.assertEqual # Test default alphabet eq(base64.b64encode(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=") eq(base64.b64encode(b'\x00'), b'AA==') eq(base64.b64encode(b"a"), b"YQ==") eq(base64.b64encode(b"ab"), b"YWI=") eq(base64.b64encode(b"abc"), b"YWJj") eq(base64.b64encode(b""), b"") eq(base64.b64encode(b"abcdefghijklmnopqrstuvwxyz" b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" b"0123456789!@#0^&*();:<>,. []{}"), b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT" b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==") # Test with arbitrary alternative characters eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=b'*$'), b'01a*b$cd') eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=bytearray(b'*$')), b'01a*b$cd') eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=memoryview(b'*$')), b'01a*b$cd') eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=array('B', b'*$')), b'01a*b$cd') # Non-bytes self.check_other_types(base64.b64encode, b'abcd', b'YWJjZA==') self.check_encode_type_errors(base64.b64encode) self.assertRaises(TypeError, base64.b64encode, b"", altchars="*$") # Test standard alphabet eq(base64.standard_b64encode(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=") eq(base64.standard_b64encode(b"a"), b"YQ==") eq(base64.standard_b64encode(b"ab"), b"YWI=") eq(base64.standard_b64encode(b"abc"), b"YWJj") eq(base64.standard_b64encode(b""), b"") eq(base64.standard_b64encode(b"abcdefghijklmnopqrstuvwxyz" b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" b"0123456789!@#0^&*();:<>,. []{}"), b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT" b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==") # Non-bytes self.check_other_types(base64.standard_b64encode, b'abcd', b'YWJjZA==') self.check_encode_type_errors(base64.standard_b64encode) # Test with 'URL safe' alternative characters eq(base64.urlsafe_b64encode(b'\xd3V\xbeo\xf7\x1d'), b'01a-b_cd') # Non-bytes self.check_other_types(base64.urlsafe_b64encode, b'\xd3V\xbeo\xf7\x1d', b'01a-b_cd') self.check_encode_type_errors(base64.urlsafe_b64encode) def test_b64decode(self): eq = self.assertEqual tests = {b"d3d3LnB5dGhvbi5vcmc=": b"www.python.org", b'AA==': b'\x00', b"YQ==": b"a", b"YWI=": b"ab", b"YWJj": b"abc", b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==": b"abcdefghijklmnopqrstuvwxyz" b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" b"0123456789!@#0^&*();:<>,. []{}", b'': b'', } for data, res in tests.items(): eq(base64.b64decode(data), res) eq(base64.b64decode(data.decode('ascii')), res) # Non-bytes self.check_other_types(base64.b64decode, b"YWJj", b"abc") self.check_decode_type_errors(base64.b64decode) # Test with arbitrary alternative characters tests_altchars = {(b'01a*b$cd', b'*$'): b'\xd3V\xbeo\xf7\x1d', } for (data, altchars), res in tests_altchars.items(): data_str = data.decode('ascii') altchars_str = altchars.decode('ascii') eq(base64.b64decode(data, altchars=altchars), res) eq(base64.b64decode(data_str, altchars=altchars), res) eq(base64.b64decode(data, altchars=altchars_str), res) eq(base64.b64decode(data_str, altchars=altchars_str), res) # Test standard alphabet for data, res in tests.items(): eq(base64.standard_b64decode(data), res) eq(base64.standard_b64decode(data.decode('ascii')), res) # Non-bytes self.check_other_types(base64.standard_b64decode, b"YWJj", b"abc") self.check_decode_type_errors(base64.standard_b64decode) # Test with 'URL safe' alternative characters tests_urlsafe = {b'01a-b_cd': b'\xd3V\xbeo\xf7\x1d', b'': b'', } for data, res in tests_urlsafe.items(): eq(base64.urlsafe_b64decode(data), res) eq(base64.urlsafe_b64decode(data.decode('ascii')), res) # Non-bytes self.check_other_types(base64.urlsafe_b64decode, b'01a-b_cd', b'\xd3V\xbeo\xf7\x1d') self.check_decode_type_errors(base64.urlsafe_b64decode) def test_b64decode_padding_error(self): self.assertRaises(binascii.Error, base64.b64decode, b'abc') self.assertRaises(binascii.Error, base64.b64decode, 'abc') def test_b64decode_invalid_chars(self): # issue 1466065: Test some invalid characters. tests = ((b'%3d==', b'\xdd'), (b'$3d==', b'\xdd'), (b'[==', b''), (b'YW]3=', b'am'), (b'3{d==', b'\xdd'), (b'3d}==', b'\xdd'), (b'@@', b''), (b'!', b''), (b"YWJj\n", b"abc"), (b'YWJj\nYWI=', b'abcab')) funcs = ( base64.b64decode, base64.standard_b64decode, base64.urlsafe_b64decode, ) for bstr, res in tests: for func in funcs: with self.subTest(bstr=bstr, func=func): self.assertEqual(func(bstr), res) self.assertEqual(func(bstr.decode('ascii')), res) with self.assertRaises(binascii.Error): base64.b64decode(bstr, validate=True) with self.assertRaises(binascii.Error): base64.b64decode(bstr.decode('ascii'), validate=True) # Normal alphabet characters not discarded when alternative given res = b'\xFB\xEF\xBE\xFF\xFF\xFF' self.assertEqual(base64.b64decode(b'++[[//]]', b'[]'), res) self.assertEqual(base64.urlsafe_b64decode(b'++--//__'), res) def test_b32encode(self): eq = self.assertEqual eq(base64.b32encode(b''), b'') eq(base64.b32encode(b'\x00'), b'AA======') eq(base64.b32encode(b'a'), b'ME======') eq(base64.b32encode(b'ab'), b'MFRA====') eq(base64.b32encode(b'abc'), b'MFRGG===') eq(base64.b32encode(b'abcd'), b'MFRGGZA=') eq(base64.b32encode(b'abcde'), b'MFRGGZDF') # Non-bytes self.check_other_types(base64.b32encode, b'abcd', b'MFRGGZA=') self.check_encode_type_errors(base64.b32encode) def test_b32decode(self): eq = self.assertEqual tests = {b'': b'', b'AA======': b'\x00', b'ME======': b'a', b'MFRA====': b'ab', b'MFRGG===': b'abc', b'MFRGGZA=': b'abcd', b'MFRGGZDF': b'abcde', } for data, res in tests.items(): eq(base64.b32decode(data), res) eq(base64.b32decode(data.decode('ascii')), res) # Non-bytes self.check_other_types(base64.b32decode, b'MFRGG===', b"abc") self.check_decode_type_errors(base64.b32decode) def test_b32decode_casefold(self): eq = self.assertEqual tests = {b'': b'', b'ME======': b'a', b'MFRA====': b'ab', b'MFRGG===': b'abc', b'MFRGGZA=': b'abcd', b'MFRGGZDF': b'abcde', # Lower cases b'me======': b'a', b'mfra====': b'ab', b'mfrgg===': b'abc', b'mfrggza=': b'abcd', b'mfrggzdf': b'abcde', } for data, res in tests.items(): eq(base64.b32decode(data, True), res) eq(base64.b32decode(data.decode('ascii'), True), res) self.assertRaises(binascii.Error, base64.b32decode, b'me======') self.assertRaises(binascii.Error, base64.b32decode, 'me======') # Mapping zero and one eq(base64.b32decode(b'MLO23456'), b'b\xdd\xad\xf3\xbe') eq(base64.b32decode('MLO23456'), b'b\xdd\xad\xf3\xbe') map_tests = {(b'M1023456', b'L'): b'b\xdd\xad\xf3\xbe', (b'M1023456', b'I'): b'b\x1d\xad\xf3\xbe', } for (data, map01), res in map_tests.items(): data_str = data.decode('ascii') map01_str = map01.decode('ascii') eq(base64.b32decode(data, map01=map01), res) eq(base64.b32decode(data_str, map01=map01), res) eq(base64.b32decode(data, map01=map01_str), res) eq(base64.b32decode(data_str, map01=map01_str), res) self.assertRaises(binascii.Error, base64.b32decode, data) self.assertRaises(binascii.Error, base64.b32decode, data_str) def test_b32decode_error(self): tests = [b'abc', b'ABCDEF==', b'==ABCDEF'] prefixes = [b'M', b'ME', b'MFRA', b'MFRGG', b'MFRGGZA', b'MFRGGZDF'] for i in range(0, 17): if i: tests.append(b'='*i) for prefix in prefixes: if len(prefix) + i != 8: tests.append(prefix + b'='*i) for data in tests: with self.subTest(data=data): with self.assertRaises(binascii.Error): base64.b32decode(data) with self.assertRaises(binascii.Error): base64.b32decode(data.decode('ascii')) def test_b32hexencode(self): test_cases = [ # to_encode, expected (b'', b''), (b'\x00', b'00======'), (b'a', b'C4======'), (b'ab', b'C5H0===='), (b'abc', b'C5H66==='), (b'abcd', b'C5H66P0='), (b'abcde', b'C5H66P35'), ] for to_encode, expected in test_cases: with self.subTest(to_decode=to_encode): self.assertEqual(base64.b32hexencode(to_encode), expected) def test_b32hexencode_other_types(self): self.check_other_types(base64.b32hexencode, b'abcd', b'C5H66P0=') self.check_encode_type_errors(base64.b32hexencode) def test_b32hexdecode(self): test_cases = [ # to_decode, expected, casefold (b'', b'', False), (b'00======', b'\x00', False), (b'C4======', b'a', False), (b'C5H0====', b'ab', False), (b'C5H66===', b'abc', False), (b'C5H66P0=', b'abcd', False), (b'C5H66P35', b'abcde', False), (b'', b'', True), (b'00======', b'\x00', True), (b'C4======', b'a', True), (b'C5H0====', b'ab', True), (b'C5H66===', b'abc', True), (b'C5H66P0=', b'abcd', True), (b'C5H66P35', b'abcde', True), (b'c4======', b'a', True), (b'c5h0====', b'ab', True), (b'c5h66===', b'abc', True), (b'c5h66p0=', b'abcd', True), (b'c5h66p35', b'abcde', True), ] for to_decode, expected, casefold in test_cases: with self.subTest(to_decode=to_decode, casefold=casefold): self.assertEqual(base64.b32hexdecode(to_decode, casefold), expected) self.assertEqual(base64.b32hexdecode(to_decode.decode('ascii'), casefold), expected) def test_b32hexdecode_other_types(self): self.check_other_types(base64.b32hexdecode, b'C5H66===', b'abc') self.check_decode_type_errors(base64.b32hexdecode) def test_b32hexdecode_error(self): tests = [b'abc', b'ABCDEF==', b'==ABCDEF', b'c4======'] prefixes = [b'M', b'ME', b'MFRA', b'MFRGG', b'MFRGGZA', b'MFRGGZDF'] for i in range(0, 17): if i: tests.append(b'='*i) for prefix in prefixes: if len(prefix) + i != 8: tests.append(prefix + b'='*i) for data in tests: with self.subTest(to_decode=data): with self.assertRaises(binascii.Error): base64.b32hexdecode(data) with self.assertRaises(binascii.Error): base64.b32hexdecode(data.decode('ascii')) def test_b16encode(self): eq = self.assertEqual eq(base64.b16encode(b'\x01\x02\xab\xcd\xef'), b'0102ABCDEF') eq(base64.b16encode(b'\x00'), b'00') # Non-bytes self.check_other_types(base64.b16encode, b'\x01\x02\xab\xcd\xef', b'0102ABCDEF') self.check_encode_type_errors(base64.b16encode) def test_b16decode(self): eq = self.assertEqual eq(base64.b16decode(b'0102ABCDEF'), b'\x01\x02\xab\xcd\xef') eq(base64.b16decode('0102ABCDEF'), b'\x01\x02\xab\xcd\xef') eq(base64.b16decode(b'00'), b'\x00') eq(base64.b16decode('00'), b'\x00') # Lower case is not allowed without a flag self.assertRaises(binascii.Error, base64.b16decode, b'0102abcdef') self.assertRaises(binascii.Error, base64.b16decode, '0102abcdef') # Case fold eq(base64.b16decode(b'0102abcdef', True), b'\x01\x02\xab\xcd\xef') eq(base64.b16decode('0102abcdef', True), b'\x01\x02\xab\xcd\xef') # Non-bytes self.check_other_types(base64.b16decode, b"0102ABCDEF", b'\x01\x02\xab\xcd\xef') self.check_decode_type_errors(base64.b16decode) eq(base64.b16decode(bytearray(b"0102abcdef"), True), b'\x01\x02\xab\xcd\xef') eq(base64.b16decode(memoryview(b"0102abcdef"), True), b'\x01\x02\xab\xcd\xef') eq(base64.b16decode(array('B', b"0102abcdef"), True), b'\x01\x02\xab\xcd\xef') # Non-alphabet characters self.assertRaises(binascii.Error, base64.b16decode, '0102AG') # Incorrect "padding" self.assertRaises(binascii.Error, base64.b16decode, '010') def test_a85encode(self): eq = self.assertEqual tests = { b'': b'', b"www.python.org": b'GB\\6`E-ZP=Df.1GEb>', bytes(range(255)): b"""!!*-'"9eu7#RLhG$k3[W&.oNg'GVB"(`=52*$$""" b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE""" b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN""" b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU""" b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd""" b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`""" b"""r;HT""", b"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" b"0123456789!@#0^&*();:<>,. []{}": b'@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T' b":Jand;cHat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P", b"no padding..": b'DJpY:@:Wn_DJ(RS', b"zero compression\0\0\0\0": b'H=_,8+Cf>,E,oN2F(oQ1z', b"zero compression\0\0\0": b'H=_,8+Cf>,E,oN2F(oQ1!!!!', b"Boundary:\0\0\0\0": b'6>q!aA79M(3WK-[!!', b"Space compr: ": b';fH/TAKYK$D/aMV+<VdL', b'\xff': b'rr', b'\xff'*2: b's8N', b'\xff'*3: b's8W*', b'\xff'*4: b's8W-!', } for data, res in tests.items(): eq(base64.a85encode(data), res, data) eq(base64.a85encode(data, adobe=False), res, data) eq(base64.a85encode(data, adobe=True), b'<~' + res + b'~>', data) self.check_other_types(base64.a85encode, b"www.python.org", b'GB\\6`E-ZP=Df.1GEb>') self.assertRaises(TypeError, base64.a85encode, "") eq(base64.a85encode(b"www.python.org", wrapcol=7, adobe=False), b'GB\\6`E-\nZP=Df.1\nGEb>') eq(base64.a85encode(b"\0\0\0\0www.python.org", wrapcol=7, adobe=False), b'zGB\\6`E\n-ZP=Df.\n1GEb>') eq(base64.a85encode(b"www.python.org", wrapcol=7, adobe=True), b'<~GB\\6`\nE-ZP=Df\n.1GEb>\n~>') eq(base64.a85encode(b' '*8, foldspaces=True, adobe=False), b'yy') eq(base64.a85encode(b' '*7, foldspaces=True, adobe=False), b'y+<Vd') eq(base64.a85encode(b' '*6, foldspaces=True, adobe=False), b'y+<U') eq(base64.a85encode(b' '*5, foldspaces=True, adobe=False), b'y+9') def test_b85encode(self): eq = self.assertEqual tests = { b'': b'', b'www.python.org': b'cXxL#aCvlSZ*DGca%T', bytes(range(255)): b"""009C61O)~M2nh-c3=Iws5D^j+6crX17#SKH9337X""" b"""AR!_nBqb&%C@Cr{EG;fCFflSSG&MFiI5|2yJUu=?KtV!7L`6nNNJ&ad""" b"""OifNtP*GA-R8>}2SXo+ITwPvYU}0ioWMyV&XlZI|Y;A6DaB*^Tbai%j""" b"""czJqze0_d@fPsR8goTEOh>41ejE#<ukdcy;l$Dm3n3<ZJoSmMZprN9p""" b"""q@|{(sHv)}tgWuEu(7hUw6(UkxVgH!yuH4^z`?@9#Kp$P$jQpf%+1cv""" b"""(9zP<)YaD4*xB0K+}+;a;Njxq<mKk)=;`X~?CtLF@bU8V^!4`l`1$(#""" b"""{Qdp""", b"""abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ""" b"""0123456789!@#0^&*();:<>,. []{}""": b"""VPa!sWoBn+X=-b1ZEkOHadLBXb#`}nd3r%YLqtVJM@UIZOH55pPf$@(""" b"""Q&d$}S6EqEFflSSG&MFiI5{CeBQRbjDkv#CIy^osE+AW7dwl""", b'no padding..': b'Zf_uPVPs@!Zf7no', b'zero compression\x00\x00\x00\x00': b'dS!BNAY*TBaB^jHb7^mG00000', b'zero compression\x00\x00\x00': b'dS!BNAY*TBaB^jHb7^mG0000', b"""Boundary:\x00\x00\x00\x00""": b"""LT`0$WMOi7IsgCw00""", b'Space compr: ': b'Q*dEpWgug3ZE$irARr(h', b'\xff': b'{{', b'\xff'*2: b'|Nj', b'\xff'*3: b'|Ns9', b'\xff'*4: b'|NsC0', } for data, res in tests.items(): eq(base64.b85encode(data), res) self.check_other_types(base64.b85encode, b"www.python.org", b'cXxL#aCvlSZ*DGca%T') def test_a85decode(self): eq = self.assertEqual tests = { b'': b'', b'GB\\6`E-ZP=Df.1GEb>': b'www.python.org', b"""! ! * -'"\n\t\t9eu\r\n7# RL\vhG$k3[W&.oNg'GVB"(`=52*$$""" b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE""" b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN""" b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU""" b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd""" b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`""" b"""r;HT""": bytes(range(255)), b"""@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T:Jand;c""" b"""Hat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P""": b'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234' b'56789!@#0^&*();:<>,. []{}', b'DJpY:@:Wn_DJ(RS': b'no padding..', b'H=_,8+Cf>,E,oN2F(oQ1z': b'zero compression\x00\x00\x00\x00', b'H=_,8+Cf>,E,oN2F(oQ1!!!!': b'zero compression\x00\x00\x00', b'6>q!aA79M(3WK-[!!': b"Boundary:\x00\x00\x00\x00", b';fH/TAKYK$D/aMV+<VdL': b'Space compr: ', b'rr': b'\xff', b's8N': b'\xff'*2, b's8W*': b'\xff'*3, b's8W-!': b'\xff'*4, } for data, res in tests.items(): eq(base64.a85decode(data), res, data) eq(base64.a85decode(data, adobe=False), res, data) eq(base64.a85decode(data.decode("ascii"), adobe=False), res, data) eq(base64.a85decode(b'<~' + data + b'~>', adobe=True), res, data) eq(base64.a85decode(data + b'~>', adobe=True), res, data) eq(base64.a85decode('<~%s~>' % data.decode("ascii"), adobe=True), res, data) eq(base64.a85decode(b'yy', foldspaces=True, adobe=False), b' '*8) eq(base64.a85decode(b'y+<Vd', foldspaces=True, adobe=False), b' '*7) eq(base64.a85decode(b'y+<U', foldspaces=True, adobe=False), b' '*6) eq(base64.a85decode(b'y+9', foldspaces=True, adobe=False), b' '*5) eq(base64.a85decode(b'aaaaay', foldspaces=True), b'\xc9\x80\x0b@ ') self.check_other_types(base64.a85decode, b'GB\\6`E-ZP=Df.1GEb>', b"www.python.org") def test_b85decode(self): eq = self.assertEqual tests = { b'': b'', b'cXxL#aCvlSZ*DGca%T': b'www.python.org', b"""009C61O)~M2nh-c3=Iws5D^j+6crX17#SKH9337X""" b"""AR!_nBqb&%C@Cr{EG;fCFflSSG&MFiI5|2yJUu=?KtV!7L`6nNNJ&ad""" b"""OifNtP*GA-R8>}2SXo+ITwPvYU}0ioWMyV&XlZI|Y;A6DaB*^Tbai%j""" b"""czJqze0_d@fPsR8goTEOh>41ejE#<ukdcy;l$Dm3n3<ZJoSmMZprN9p""" b"""q@|{(sHv)}tgWuEu(7hUw6(UkxVgH!yuH4^z`?@9#Kp$P$jQpf%+1cv""" b"""(9zP<)YaD4*xB0K+}+;a;Njxq<mKk)=;`X~?CtLF@bU8V^!4`l`1$(#""" b"""{Qdp""": bytes(range(255)), b"""VPa!sWoBn+X=-b1ZEkOHadLBXb#`}nd3r%YLqtVJM@UIZOH55pPf$@(""" b"""Q&d$}S6EqEFflSSG&MFiI5{CeBQRbjDkv#CIy^osE+AW7dwl""": b"""abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ""" b"""0123456789!@#0^&*();:<>,. []{}""", b'Zf_uPVPs@!Zf7no': b'no padding..', b'dS!BNAY*TBaB^jHb7^mG00000': b'zero compression\x00\x00\x00\x00', b'dS!BNAY*TBaB^jHb7^mG0000': b'zero compression\x00\x00\x00', b"""LT`0$WMOi7IsgCw00""": b"""Boundary:\x00\x00\x00\x00""", b'Q*dEpWgug3ZE$irARr(h': b'Space compr: ', b'{{': b'\xff', b'|Nj': b'\xff'*2, b'|Ns9': b'\xff'*3, b'|NsC0': b'\xff'*4, } for data, res in tests.items(): eq(base64.b85decode(data), res) eq(base64.b85decode(data.decode("ascii")), res) self.check_other_types(base64.b85decode, b'cXxL#aCvlSZ*DGca%T', b"www.python.org") def test_a85_padding(self): eq = self.assertEqual eq(base64.a85encode(b"x", pad=True), b'GQ7^D') eq(base64.a85encode(b"xx", pad=True), b"G^'2g") eq(base64.a85encode(b"xxx", pad=True), b'G^+H5') eq(base64.a85encode(b"xxxx", pad=True), b'G^+IX') eq(base64.a85encode(b"xxxxx", pad=True), b'G^+IXGQ7^D') eq(base64.a85decode(b'GQ7^D'), b"x\x00\x00\x00") eq(base64.a85decode(b"G^'2g"), b"xx\x00\x00") eq(base64.a85decode(b'G^+H5'), b"xxx\x00") eq(base64.a85decode(b'G^+IX'), b"xxxx") eq(base64.a85decode(b'G^+IXGQ7^D'), b"xxxxx\x00\x00\x00") def test_b85_padding(self): eq = self.assertEqual eq(base64.b85encode(b"x", pad=True), b'cmMzZ') eq(base64.b85encode(b"xx", pad=True), b'cz6H+') eq(base64.b85encode(b"xxx", pad=True), b'czAdK') eq(base64.b85encode(b"xxxx", pad=True), b'czAet') eq(base64.b85encode(b"xxxxx", pad=True), b'czAetcmMzZ') eq(base64.b85decode(b'cmMzZ'), b"x\x00\x00\x00") eq(base64.b85decode(b'cz6H+'), b"xx\x00\x00") eq(base64.b85decode(b'czAdK'), b"xxx\x00") eq(base64.b85decode(b'czAet'), b"xxxx") eq(base64.b85decode(b'czAetcmMzZ'), b"xxxxx\x00\x00\x00") def test_a85decode_errors(self): illegal = (set(range(32)) | set(range(118, 256))) - set(b' \t\n\r\v') for c in illegal: with self.assertRaises(ValueError, msg=bytes([c])): base64.a85decode(b'!!!!' + bytes([c])) with self.assertRaises(ValueError, msg=bytes([c])): base64.a85decode(b'!!!!' + bytes([c]), adobe=False) with self.assertRaises(ValueError, msg=bytes([c])): base64.a85decode(b'<~!!!!' + bytes([c]) + b'~>', adobe=True) self.assertRaises(ValueError, base64.a85decode, b"malformed", adobe=True) self.assertRaises(ValueError, base64.a85decode, b"<~still malformed", adobe=True) # With adobe=False (the default), Adobe framing markers are disallowed self.assertRaises(ValueError, base64.a85decode, b"<~~>") self.assertRaises(ValueError, base64.a85decode, b"<~~>", adobe=False) base64.a85decode(b"<~~>", adobe=True) # sanity check self.assertRaises(ValueError, base64.a85decode, b"abcx", adobe=False) self.assertRaises(ValueError, base64.a85decode, b"abcdey", adobe=False) self.assertRaises(ValueError, base64.a85decode, b"a b\nc", adobe=False, ignorechars=b"") self.assertRaises(ValueError, base64.a85decode, b's', adobe=False) self.assertRaises(ValueError, base64.a85decode, b's8', adobe=False) self.assertRaises(ValueError, base64.a85decode, b's8W', adobe=False) self.assertRaises(ValueError, base64.a85decode, b's8W-', adobe=False) self.assertRaises(ValueError, base64.a85decode, b's8W-"', adobe=False) self.assertRaises(ValueError, base64.a85decode, b'aaaay', foldspaces=True) def test_b85decode_errors(self): illegal = list(range(33)) + \ list(b'"\',./:[\\]') + \ list(range(128, 256)) for c in illegal: with self.assertRaises(ValueError, msg=bytes([c])): base64.b85decode(b'0000' + bytes([c])) self.assertRaises(ValueError, base64.b85decode, b'|') self.assertRaises(ValueError, base64.b85decode, b'|N') self.assertRaises(ValueError, base64.b85decode, b'|Ns') self.assertRaises(ValueError, base64.b85decode, b'|NsC') self.assertRaises(ValueError, base64.b85decode, b'|NsC1') def test_decode_nonascii_str(self): decode_funcs = (base64.b64decode, base64.standard_b64decode, base64.urlsafe_b64decode, base64.b32decode, base64.b16decode, base64.b85decode, base64.a85decode) for f in decode_funcs: self.assertRaises(ValueError, f, 'with non-ascii \xcb') def test_ErrorHeritage(self): self.assertTrue(issubclass(binascii.Error, ValueError)) def test_RFC4648_test_cases(self): # test cases from RFC 4648 section 10 b64encode = base64.b64encode b32hexencode = base64.b32hexencode b32encode = base64.b32encode b16encode = base64.b16encode self.assertEqual(b64encode(b""), b"") self.assertEqual(b64encode(b"f"), b"Zg==") self.assertEqual(b64encode(b"fo"), b"Zm8=") self.assertEqual(b64encode(b"foo"), b"Zm9v") self.assertEqual(b64encode(b"foob"), b"Zm9vYg==") self.assertEqual(b64encode(b"fooba"), b"Zm9vYmE=") self.assertEqual(b64encode(b"foobar"), b"Zm9vYmFy") self.assertEqual(b32encode(b""), b"") self.assertEqual(b32encode(b"f"), b"MY======") self.assertEqual(b32encode(b"fo"), b"MZXQ====") self.assertEqual(b32encode(b"foo"), b"MZXW6===") self.assertEqual(b32encode(b"foob"), b"MZXW6YQ=") self.assertEqual(b32encode(b"fooba"), b"MZXW6YTB") self.assertEqual(b32encode(b"foobar"), b"MZXW6YTBOI======") self.assertEqual(b32hexencode(b""), b"") self.assertEqual(b32hexencode(b"f"), b"CO======") self.assertEqual(b32hexencode(b"fo"), b"CPNG====") self.assertEqual(b32hexencode(b"foo"), b"CPNMU===") self.assertEqual(b32hexencode(b"foob"), b"CPNMUOG=") self.assertEqual(b32hexencode(b"fooba"), b"CPNMUOJ1") self.assertEqual(b32hexencode(b"foobar"), b"CPNMUOJ1E8======") self.assertEqual(b16encode(b""), b"") self.assertEqual(b16encode(b"f"), b"66") self.assertEqual(b16encode(b"fo"), b"666F") self.assertEqual(b16encode(b"foo"), b"666F6F") self.assertEqual(b16encode(b"foob"), b"666F6F62") self.assertEqual(b16encode(b"fooba"), b"666F6F6261") self.assertEqual(b16encode(b"foobar"), b"666F6F626172") class TestMain(unittest.TestCase): def tearDown(self): if os.path.exists(os_helper.TESTFN): os.unlink(os_helper.TESTFN) def get_output(self, *args): return script_helper.assert_python_ok('-m', 'base64', *args).out def test_encode_decode(self): output = self.get_output('-t') self.assertSequenceEqual(output.splitlines(), ( b"b'Aladdin:open sesame'", br"b'QWxhZGRpbjpvcGVuIHNlc2FtZQ==\n'", b"b'Aladdin:open sesame'", )) def test_encode_file(self): with open(os_helper.TESTFN, 'wb') as fp: fp.write(b'a\xffb\n') output = self.get_output('-e', os_helper.TESTFN) self.assertEqual(output.rstrip(), b'Yf9iCg==') def test_encode_from_stdin(self): with script_helper.spawn_python('-m', 'base64', '-e') as proc: out, err = proc.communicate(b'a\xffb\n') self.assertEqual(out.rstrip(), b'Yf9iCg==') self.assertIsNone(err) def test_decode(self): with open(os_helper.TESTFN, 'wb') as fp: fp.write(b'Yf9iCg==') output = self.get_output('-d', os_helper.TESTFN) self.assertEqual(output.rstrip(), b'a\xffb') def test_prints_usage_with_help_flag(self): output = self.get_output('-h') self.assertIn(b'usage: ', output) self.assertIn(b'-d, -u: decode', output) def test_prints_usage_with_invalid_flag(self): output = script_helper.assert_python_failure('-m', 'base64', '-x').err self.assertIn(b'usage: ', output) self.assertIn(b'-d, -u: decode', output) if __name__ == '__main__': unittest.main()