| import unittest |
| from test import support |
| import base64 |
| import binascii |
| import os |
| import sys |
| import subprocess |
| |
| |
| |
| class LegacyBase64TestCase(unittest.TestCase): |
| 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") |
| self.assertRaises(TypeError, 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'') |
| self.assertRaises(TypeError, base64.decodebytes, "") |
| |
| def test_encode(self): |
| eq = self.assertEqual |
| from io import BytesIO |
| 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') |
| |
| def test_decode(self): |
| from io import BytesIO |
| infp = BytesIO(b'd3d3LnB5dGhvbi5vcmc=') |
| outfp = BytesIO() |
| base64.decode(infp, outfp) |
| 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(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') |
| # 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(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(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 |
| |
| 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 |
| 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) |
| |
| # 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) |
| |
| 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\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 |
| 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 |
| 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 |
| 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('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): |
| 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 |
| 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(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') |
| |
| 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)) |
| |
| |
| |
| 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(): |
| support.run_unittest(__name__) |
| |
| if __name__ == '__main__': |
| test_main() |