diff options
Diffstat (limited to 'Lib/test/test_base64.py')
| -rw-r--r-- | Lib/test/test_base64.py | 342 |
1 files changed, 211 insertions, 131 deletions
diff --git a/Lib/test/test_base64.py b/Lib/test/test_base64.py index ff2c3700d3b..ca94504b1cd 100644 --- a/Lib/test/test_base64.py +++ b/Lib/test/test_base64.py @@ -1,190 +1,270 @@ import unittest -from test import test_support +from test import support import base64 +import binascii +import os +import sys +import subprocess + - class LegacyBase64TestCase(unittest.TestCase): - def test_encodestring(self): + def test_encodebytes(self): eq = self.assertEqual - eq(base64.encodestring("www.python.org"), "d3d3LnB5dGhvbi5vcmc=\n") - eq(base64.encodestring("a"), "YQ==\n") - eq(base64.encodestring("ab"), "YWI=\n") - eq(base64.encodestring("abc"), "YWJj\n") - eq(base64.encodestring(""), "") - eq(base64.encodestring("abcdefghijklmnopqrstuvwxyz" - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "0123456789!@#0^&*();:<>,. []{}"), - "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" - "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" - "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n") - - def test_decodestring(self): + 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") + self.assertRaises(TypeError, base64.encodebytes, "") + + def test_decodebytes(self): eq = self.assertEqual - eq(base64.decodestring("d3d3LnB5dGhvbi5vcmc=\n"), "www.python.org") - eq(base64.decodestring("YQ==\n"), "a") - eq(base64.decodestring("YWI=\n"), "ab") - eq(base64.decodestring("YWJj\n"), "abc") - eq(base64.decodestring("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" - "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" - "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n"), - "abcdefghijklmnopqrstuvwxyz" - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "0123456789!@#0^&*();:<>,. []{}") - eq(base64.decodestring(''), '') + 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'') + self.assertRaises(TypeError, base64.decodebytes, "") def test_encode(self): eq = self.assertEqual - from cStringIO import StringIO - infp = StringIO('abcdefghijklmnopqrstuvwxyz' - 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' - '0123456789!@#0^&*();:<>,. []{}') - outfp = StringIO() + from io import BytesIO + infp = BytesIO(b'abcdefghijklmnopqrstuvwxyz' + b'ABCDEFGHIJKLMNOPQRSTUVWXYZ' + b'0123456789!@#0^&*();:<>,. []{}') + outfp = BytesIO() base64.encode(infp, outfp) eq(outfp.getvalue(), - 'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE' - 'RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT' - 'Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n') + b'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE' + b'RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT' + b'Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n') def test_decode(self): - from cStringIO import StringIO - infp = StringIO('d3d3LnB5dGhvbi5vcmc=') - outfp = StringIO() + from io import BytesIO + infp = BytesIO(b'd3d3LnB5dGhvbi5vcmc=') + outfp = BytesIO() base64.decode(infp, outfp) - self.assertEqual(outfp.getvalue(), 'www.python.org') + self.assertEqual(outfp.getvalue(), b'www.python.org') - class BaseXYTestCase(unittest.TestCase): def test_b64encode(self): eq = self.assertEqual # Test default alphabet - eq(base64.b64encode("www.python.org"), "d3d3LnB5dGhvbi5vcmc=") - eq(base64.b64encode('\x00'), 'AA==') - eq(base64.b64encode("a"), "YQ==") - eq(base64.b64encode("ab"), "YWI=") - eq(base64.b64encode("abc"), "YWJj") - eq(base64.b64encode(""), "") - eq(base64.b64encode("abcdefghijklmnopqrstuvwxyz" - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "0123456789!@#0^&*();:<>,. []{}"), - "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" - "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT" - "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==") + 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('\xd3V\xbeo\xf7\x1d', altchars='*$'), '01a*b$cd') + eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=b'*$'), b'01a*b$cd') + # Check if passing a str object raises an error + self.assertRaises(TypeError, base64.b64encode, "") + self.assertRaises(TypeError, base64.b64encode, b"", altchars="") # Test standard alphabet - eq(base64.standard_b64encode("www.python.org"), "d3d3LnB5dGhvbi5vcmc=") - eq(base64.standard_b64encode("a"), "YQ==") - eq(base64.standard_b64encode("ab"), "YWI=") - eq(base64.standard_b64encode("abc"), "YWJj") - eq(base64.standard_b64encode(""), "") - eq(base64.standard_b64encode("abcdefghijklmnopqrstuvwxyz" - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "0123456789!@#0^&*();:<>,. []{}"), - "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" - "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT" - "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==") + 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==") + # Check if passing a str object raises an error + self.assertRaises(TypeError, base64.standard_b64encode, "") + self.assertRaises(TypeError, base64.standard_b64encode, b"", altchars="") # Test with 'URL safe' alternative characters - eq(base64.urlsafe_b64encode('\xd3V\xbeo\xf7\x1d'), '01a-b_cd') + eq(base64.urlsafe_b64encode(b'\xd3V\xbeo\xf7\x1d'), b'01a-b_cd') + # Check if passing a str object raises an error + self.assertRaises(TypeError, base64.urlsafe_b64encode, "") def test_b64decode(self): eq = self.assertEqual - eq(base64.b64decode("d3d3LnB5dGhvbi5vcmc="), "www.python.org") - eq(base64.b64decode('AA=='), '\x00') - eq(base64.b64decode("YQ=="), "a") - eq(base64.b64decode("YWI="), "ab") - eq(base64.b64decode("YWJj"), "abc") - eq(base64.b64decode("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" - "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" - "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ=="), - "abcdefghijklmnopqrstuvwxyz" - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "0123456789!@#0^&*();:<>,. []{}") - eq(base64.b64decode(''), '') + eq(base64.b64decode(b"d3d3LnB5dGhvbi5vcmc="), b"www.python.org") + eq(base64.b64decode(b'AA=='), b'\x00') + eq(base64.b64decode(b"YQ=="), b"a") + eq(base64.b64decode(b"YWI="), b"ab") + eq(base64.b64decode(b"YWJj"), b"abc") + eq(base64.b64decode(b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" + b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" + b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ=="), + b"abcdefghijklmnopqrstuvwxyz" + b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" + b"0123456789!@#0^&*();:<>,. []{}") + eq(base64.b64decode(b''), b'') # Test with arbitrary alternative characters - eq(base64.b64decode('01a*b$cd', altchars='*$'), '\xd3V\xbeo\xf7\x1d') + eq(base64.b64decode(b'01a*b$cd', altchars=b'*$'), b'\xd3V\xbeo\xf7\x1d') + # Check if passing a str object raises an error + self.assertRaises(TypeError, base64.b64decode, "") + self.assertRaises(TypeError, base64.b64decode, b"", altchars="") # Test standard alphabet - eq(base64.standard_b64decode("d3d3LnB5dGhvbi5vcmc="), "www.python.org") - eq(base64.standard_b64decode("YQ=="), "a") - eq(base64.standard_b64decode("YWI="), "ab") - eq(base64.standard_b64decode("YWJj"), "abc") - eq(base64.standard_b64decode(""), "") - eq(base64.standard_b64decode("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" - "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT" - "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ=="), - "abcdefghijklmnopqrstuvwxyz" - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "0123456789!@#0^&*();:<>,. []{}") + eq(base64.standard_b64decode(b"d3d3LnB5dGhvbi5vcmc="), b"www.python.org") + eq(base64.standard_b64decode(b"YQ=="), b"a") + eq(base64.standard_b64decode(b"YWI="), b"ab") + eq(base64.standard_b64decode(b"YWJj"), b"abc") + eq(base64.standard_b64decode(b""), b"") + eq(base64.standard_b64decode(b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" + b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT" + b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ=="), + b"abcdefghijklmnopqrstuvwxyz" + b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" + b"0123456789!@#0^&*();:<>,. []{}") + # Check if passing a str object raises an error + self.assertRaises(TypeError, base64.standard_b64decode, "") + self.assertRaises(TypeError, base64.standard_b64decode, b"", altchars="") # Test with 'URL safe' alternative characters - eq(base64.urlsafe_b64decode('01a-b_cd'), '\xd3V\xbeo\xf7\x1d') + eq(base64.urlsafe_b64decode(b'01a-b_cd'), b'\xd3V\xbeo\xf7\x1d') + self.assertRaises(TypeError, base64.urlsafe_b64decode, "") - def test_b64decode_error(self): - self.assertRaises(TypeError, base64.b64decode, 'abc') + def test_b64decode_padding_error(self): + self.assertRaises(binascii.Error, base64.b64decode, b'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\nYWI=', b'abcab')) + for bstr, res in tests: + self.assertEqual(base64.b64decode(bstr), res) + with self.assertRaises(binascii.Error): + base64.b64decode(bstr, validate=True) def test_b32encode(self): eq = self.assertEqual - eq(base64.b32encode(''), '') - eq(base64.b32encode('\x00'), 'AA======') - eq(base64.b32encode('a'), 'ME======') - eq(base64.b32encode('ab'), 'MFRA====') - eq(base64.b32encode('abc'), 'MFRGG===') - eq(base64.b32encode('abcd'), 'MFRGGZA=') - eq(base64.b32encode('abcde'), 'MFRGGZDF') + 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') + self.assertRaises(TypeError, base64.b32encode, "") def test_b32decode(self): eq = self.assertEqual - eq(base64.b32decode(''), '') - eq(base64.b32decode('AA======'), '\x00') - eq(base64.b32decode('ME======'), 'a') - eq(base64.b32decode('MFRA===='), 'ab') - eq(base64.b32decode('MFRGG==='), 'abc') - eq(base64.b32decode('MFRGGZA='), 'abcd') - eq(base64.b32decode('MFRGGZDF'), 'abcde') + eq(base64.b32decode(b''), b'') + eq(base64.b32decode(b'AA======'), b'\x00') + eq(base64.b32decode(b'ME======'), b'a') + eq(base64.b32decode(b'MFRA===='), b'ab') + eq(base64.b32decode(b'MFRGG==='), b'abc') + eq(base64.b32decode(b'MFRGGZA='), b'abcd') + eq(base64.b32decode(b'MFRGGZDF'), b'abcde') + self.assertRaises(TypeError, base64.b32decode, "") def test_b32decode_casefold(self): eq = self.assertEqual - eq(base64.b32decode('', True), '') - eq(base64.b32decode('ME======', True), 'a') - eq(base64.b32decode('MFRA====', True), 'ab') - eq(base64.b32decode('MFRGG===', True), 'abc') - eq(base64.b32decode('MFRGGZA=', True), 'abcd') - eq(base64.b32decode('MFRGGZDF', True), 'abcde') + eq(base64.b32decode(b'', True), b'') + eq(base64.b32decode(b'ME======', True), b'a') + eq(base64.b32decode(b'MFRA====', True), b'ab') + eq(base64.b32decode(b'MFRGG===', True), b'abc') + eq(base64.b32decode(b'MFRGGZA=', True), b'abcd') + eq(base64.b32decode(b'MFRGGZDF', True), b'abcde') # Lower cases - eq(base64.b32decode('me======', True), 'a') - eq(base64.b32decode('mfra====', True), 'ab') - eq(base64.b32decode('mfrgg===', True), 'abc') - eq(base64.b32decode('mfrggza=', True), 'abcd') - eq(base64.b32decode('mfrggzdf', True), 'abcde') + eq(base64.b32decode(b'me======', True), b'a') + eq(base64.b32decode(b'mfra====', True), b'ab') + eq(base64.b32decode(b'mfrgg===', True), b'abc') + eq(base64.b32decode(b'mfrggza=', True), b'abcd') + eq(base64.b32decode(b'mfrggzdf', True), b'abcde') # Expected exceptions - self.assertRaises(TypeError, base64.b32decode, 'me======') + self.assertRaises(TypeError, base64.b32decode, b'me======') # Mapping zero and one - eq(base64.b32decode('MLO23456'), 'b\xdd\xad\xf3\xbe') - eq(base64.b32decode('M1023456', map01='L'), 'b\xdd\xad\xf3\xbe') - eq(base64.b32decode('M1023456', map01='I'), 'b\x1d\xad\xf3\xbe') + eq(base64.b32decode(b'MLO23456'), b'b\xdd\xad\xf3\xbe') + eq(base64.b32decode(b'M1023456', map01=b'L'), b'b\xdd\xad\xf3\xbe') + eq(base64.b32decode(b'M1023456', map01=b'I'), b'b\x1d\xad\xf3\xbe') + self.assertRaises(TypeError, base64.b32decode, b"", map01="") def test_b32decode_error(self): - self.assertRaises(TypeError, base64.b32decode, 'abc') - self.assertRaises(TypeError, base64.b32decode, 'ABCDEF==') + self.assertRaises(binascii.Error, base64.b32decode, b'abc') + self.assertRaises(binascii.Error, base64.b32decode, b'ABCDEF==') def test_b16encode(self): eq = self.assertEqual - eq(base64.b16encode('\x01\x02\xab\xcd\xef'), '0102ABCDEF') - eq(base64.b16encode('\x00'), '00') + eq(base64.b16encode(b'\x01\x02\xab\xcd\xef'), b'0102ABCDEF') + eq(base64.b16encode(b'\x00'), b'00') + self.assertRaises(TypeError, base64.b16encode, "") def test_b16decode(self): eq = self.assertEqual - eq(base64.b16decode('0102ABCDEF'), '\x01\x02\xab\xcd\xef') - eq(base64.b16decode('00'), '\x00') + eq(base64.b16decode(b'0102ABCDEF'), b'\x01\x02\xab\xcd\xef') + eq(base64.b16decode(b'00'), b'\x00') # Lower case is not allowed without a flag - self.assertRaises(TypeError, base64.b16decode, '0102abcdef') + self.assertRaises(binascii.Error, base64.b16decode, b'0102abcdef') # Case fold - eq(base64.b16decode('0102abcdef', True), '\x01\x02\xab\xcd\xef') + eq(base64.b16decode(b'0102abcdef', True), b'\x01\x02\xab\xcd\xef') + self.assertRaises(TypeError, base64.b16decode, "") + + def test_ErrorHeritage(self): + self.assertTrue(issubclass(binascii.Error, ValueError)) + + + +class TestMain(unittest.TestCase): + def tearDown(self): + if os.path.exists(support.TESTFN): + os.unlink(support.TESTFN) + + def get_output(self, *args, **options): + args = (sys.executable, '-m', 'base64') + args + return subprocess.check_output(args, **options) + + 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(support.TESTFN, 'wb') as fp: + fp.write(b'a\xffb\n') + + output = self.get_output('-e', support.TESTFN) + self.assertEqual(output.rstrip(), b'Yf9iCg==') + + with open(support.TESTFN, 'rb') as fp: + output = self.get_output('-e', stdin=fp) + self.assertEqual(output.rstrip(), b'Yf9iCg==') + + def test_decode(self): + with open(support.TESTFN, 'wb') as fp: + fp.write(b'Yf9iCg==') + output = self.get_output('-d', support.TESTFN) + self.assertEqual(output.rstrip(), b'a\xffb') + - def test_main(): - test_support.run_unittest(__name__) + support.run_unittest(__name__) if __name__ == '__main__': test_main() |