diff options
Diffstat (limited to 'Lib/test/test_base64.py')
| -rw-r--r-- | Lib/test/test_base64.py | 165 |
1 files changed, 106 insertions, 59 deletions
diff --git a/Lib/test/test_base64.py b/Lib/test/test_base64.py index ca94504..2569476 100644 --- a/Lib/test/test_base64.py +++ b/Lib/test/test_base64.py @@ -103,44 +103,53 @@ class BaseXYTestCase(unittest.TestCase): def test_b64decode(self): eq = self.assertEqual - 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'') + + 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) + # Test with arbitrary alternative characters - 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="") + 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 - 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="") + for data, res in tests.items(): + eq(base64.standard_b64decode(data), res) + eq(base64.standard_b64decode(data.decode('ascii')), res) + # Test with 'URL safe' alternative characters - eq(base64.urlsafe_b64decode(b'01a-b_cd'), b'\xd3V\xbeo\xf7\x1d') - self.assertRaises(TypeError, base64.urlsafe_b64decode, "") + 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) 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. @@ -155,8 +164,11 @@ class BaseXYTestCase(unittest.TestCase): (b'YWJj\nYWI=', b'abcab')) for bstr, res in tests: self.assertEqual(base64.b64decode(bstr), res) + self.assertEqual(base64.b64decode(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) def test_b32encode(self): eq = self.assertEqual @@ -171,40 +183,63 @@ class BaseXYTestCase(unittest.TestCase): def test_b32decode(self): eq = self.assertEqual - 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, "") + 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) def test_b32decode_casefold(self): eq = self.assertEqual - 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(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 + 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(TypeError, base64.b32decode, b'me======') + self.assertRaises(TypeError, base64.b32decode, 'me======') + # Mapping zero and one 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="") + 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) def test_b32decode_error(self): - self.assertRaises(binascii.Error, base64.b32decode, b'abc') - self.assertRaises(binascii.Error, base64.b32decode, b'ABCDEF==') + for data in [b'abc', b'ABCDEF==']: + with self.assertRaises(binascii.Error): + base64.b32decode(data) + with self.assertRaises(binascii.Error): + base64.b32decode(data.decode('ascii')) def test_b16encode(self): eq = self.assertEqual @@ -215,12 +250,24 @@ class BaseXYTestCase(unittest.TestCase): 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') - self.assertRaises(TypeError, base64.b16decode, "") + eq(base64.b16decode('0102abcdef', True), b'\x01\x02\xab\xcd\xef') + + def test_decode_nonascii_str(self): + decode_funcs = (base64.b64decode, + base64.standard_b64decode, + base64.urlsafe_b64decode, + base64.b32decode, + base64.b16decode) + for f in decode_funcs: + self.assertRaises(ValueError, f, 'with non-ascii \xcb') def test_ErrorHeritage(self): self.assertTrue(issubclass(binascii.Error, ValueError)) |