| import unittest |
| from test import support |
| import base64 |
| import binascii |
| 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 |
| 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(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(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(b'01a-b_cd'), b'\xd3V\xbeo\xf7\x1d') |
| self.assertRaises(TypeError, base64.urlsafe_b64decode, "") |
| |
| 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(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(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(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 |
| self.assertRaises(TypeError, base64.b32decode, b'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="") |
| |
| def test_b32decode_error(self): |
| 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(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(b'00'), b'\x00') |
| # Lower case is not allowed without a flag |
| self.assertRaises(binascii.Error, base64.b16decode, b'0102abcdef') |
| # Case fold |
| 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 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() |