1 import unittest

     2 from test import test_support

     3 import base64

     4 

     5 

     6 

     7 class LegacyBase64TestCase(unittest.TestCase):

     8     def test_encodestring(self):

     9         eq = self.assertEqual

    10         eq(base64.encodestring("www.python.org"), "d3d3LnB5dGhvbi5vcmc=\n")

    11         eq(base64.encodestring("a"), "YQ==\n")

    12         eq(base64.encodestring("ab"), "YWI=\n")

    13         eq(base64.encodestring("abc"), "YWJj\n")

    14         eq(base64.encodestring(""), "")

    15         eq(base64.encodestring("abcdefghijklmnopqrstuvwxyz"

    16                                "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

    17                                "0123456789!@#0^&*();:<>,. []{}"),

    18            "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"

    19            "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"

    20            "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n")

    21 

    22     def test_decodestring(self):

    23         eq = self.assertEqual

    24         eq(base64.decodestring("d3d3LnB5dGhvbi5vcmc=\n"), "www.python.org")

    25         eq(base64.decodestring("YQ==\n"), "a")

    26         eq(base64.decodestring("YWI=\n"), "ab")

    27         eq(base64.decodestring("YWJj\n"), "abc")

    28         eq(base64.decodestring("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"

    29                                "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"

    30                                "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n"),

    31            "abcdefghijklmnopqrstuvwxyz"

    32            "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

    33            "0123456789!@#0^&*();:<>,. []{}")

    34         eq(base64.decodestring(''), '')

    35 

    36     def test_encode(self):

    37         eq = self.assertEqual

    38         from cStringIO import StringIO

    39         infp = StringIO('abcdefghijklmnopqrstuvwxyz'

    40                         'ABCDEFGHIJKLMNOPQRSTUVWXYZ'

    41                         '0123456789!@#0^&*();:<>,. []{}')

    42         outfp = StringIO()

    43         base64.encode(infp, outfp)

    44         eq(outfp.getvalue(),

    45            'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE'

    46            'RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT'

    47            'Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n')

    48 

    49     def test_decode(self):

    50         from cStringIO import StringIO

    51         infp = StringIO('d3d3LnB5dGhvbi5vcmc=')

    52         outfp = StringIO()

    53         base64.decode(infp, outfp)

    54         self.assertEqual(outfp.getvalue(), 'www.python.org')

    55 

    56 

    57 

    58 class BaseXYTestCase(unittest.TestCase):

    59     def test_b64encode(self):

    60         eq = self.assertEqual

    61         # Test default alphabet

    62         eq(base64.b64encode("www.python.org"), "d3d3LnB5dGhvbi5vcmc=")

    63         eq(base64.b64encode('\x00'), 'AA==')

    64         eq(base64.b64encode("a"), "YQ==")

    65         eq(base64.b64encode("ab"), "YWI=")

    66         eq(base64.b64encode("abc"), "YWJj")

    67         eq(base64.b64encode(""), "")

    68         eq(base64.b64encode("abcdefghijklmnopqrstuvwxyz"

    69                             "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

    70                             "0123456789!@#0^&*();:<>,. []{}"),

    71            "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"

    72            "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"

    73            "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==")

    74         # Test with arbitrary alternative characters

    75         eq(base64.b64encode('\xd3V\xbeo\xf7\x1d', altchars='*$'), '01a*b$cd')

    76         # Test standard alphabet

    77         eq(base64.standard_b64encode("www.python.org"), "d3d3LnB5dGhvbi5vcmc=")

    78         eq(base64.standard_b64encode("a"), "YQ==")

    79         eq(base64.standard_b64encode("ab"), "YWI=")

    80         eq(base64.standard_b64encode("abc"), "YWJj")

    81         eq(base64.standard_b64encode(""), "")

    82         eq(base64.standard_b64encode("abcdefghijklmnopqrstuvwxyz"

    83                                      "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

    84                                      "0123456789!@#0^&*();:<>,. []{}"),

    85            "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"

    86            "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"

    87            "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==")

    88         # Test with 'URL safe' alternative characters

    89         eq(base64.urlsafe_b64encode('\xd3V\xbeo\xf7\x1d'), '01a-b_cd')

    90 

    91     def test_b64decode(self):

    92         eq = self.assertEqual

    93         eq(base64.b64decode("d3d3LnB5dGhvbi5vcmc="), "www.python.org")

    94         eq(base64.b64decode('AA=='), '\x00')

    95         eq(base64.b64decode("YQ=="), "a")

    96         eq(base64.b64decode("YWI="), "ab")

    97         eq(base64.b64decode("YWJj"), "abc")

    98         eq(base64.b64decode("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"

    99                             "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"

   100                             "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ=="),

   101            "abcdefghijklmnopqrstuvwxyz"

   102            "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

   103            "0123456789!@#0^&*();:<>,. []{}")

   104         eq(base64.b64decode(''), '')

   105         # Test with arbitrary alternative characters

   106         eq(base64.b64decode('01a*b$cd', altchars='*$'), '\xd3V\xbeo\xf7\x1d')

   107         # Test standard alphabet

   108         eq(base64.standard_b64decode("d3d3LnB5dGhvbi5vcmc="), "www.python.org")

   109         eq(base64.standard_b64decode("YQ=="), "a")

   110         eq(base64.standard_b64decode("YWI="), "ab")

   111         eq(base64.standard_b64decode("YWJj"), "abc")

   112         eq(base64.standard_b64decode(""), "")

   113         eq(base64.standard_b64decode("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"

   114                                      "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"

   115                                      "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ=="),

   116            "abcdefghijklmnopqrstuvwxyz"

   117            "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

   118            "0123456789!@#0^&*();:<>,. []{}")

   119         # Test with 'URL safe' alternative characters

   120         eq(base64.urlsafe_b64decode('01a-b_cd'), '\xd3V\xbeo\xf7\x1d')

   121 

   122     def test_b64decode_error(self):

   123         self.assertRaises(TypeError, base64.b64decode, 'abc')

   124 

   125     def test_b32encode(self):

   126         eq = self.assertEqual

   127         eq(base64.b32encode(''), '')

   128         eq(base64.b32encode('\x00'), 'AA======')

   129         eq(base64.b32encode('a'), 'ME======')

   130         eq(base64.b32encode('ab'), 'MFRA====')

   131         eq(base64.b32encode('abc'), 'MFRGG===')

   132         eq(base64.b32encode('abcd'), 'MFRGGZA=')

   133         eq(base64.b32encode('abcde'), 'MFRGGZDF')

   134 

   135     def test_b32decode(self):

   136         eq = self.assertEqual

   137         eq(base64.b32decode(''), '')

   138         eq(base64.b32decode('AA======'), '\x00')

   139         eq(base64.b32decode('ME======'), 'a')

   140         eq(base64.b32decode('MFRA===='), 'ab')

   141         eq(base64.b32decode('MFRGG==='), 'abc')

   142         eq(base64.b32decode('MFRGGZA='), 'abcd')

   143         eq(base64.b32decode('MFRGGZDF'), 'abcde')

   144 

   145     def test_b32decode_casefold(self):

   146         eq = self.assertEqual

   147         eq(base64.b32decode('', True), '')

   148         eq(base64.b32decode('ME======', True), 'a')

   149         eq(base64.b32decode('MFRA====', True), 'ab')

   150         eq(base64.b32decode('MFRGG===', True), 'abc')

   151         eq(base64.b32decode('MFRGGZA=', True), 'abcd')

   152         eq(base64.b32decode('MFRGGZDF', True), 'abcde')

   153         # Lower cases

   154         eq(base64.b32decode('me======', True), 'a')

   155         eq(base64.b32decode('mfra====', True), 'ab')

   156         eq(base64.b32decode('mfrgg===', True), 'abc')

   157         eq(base64.b32decode('mfrggza=', True), 'abcd')

   158         eq(base64.b32decode('mfrggzdf', True), 'abcde')

   159         # Expected exceptions

   160         self.assertRaises(TypeError, base64.b32decode, 'me======')

   161         # Mapping zero and one

   162         eq(base64.b32decode('MLO23456'), 'b\xdd\xad\xf3\xbe')

   163         eq(base64.b32decode('M1023456', map01='L'), 'b\xdd\xad\xf3\xbe')

   164         eq(base64.b32decode('M1023456', map01='I'), 'b\x1d\xad\xf3\xbe')

   165 

   166     def test_b32decode_error(self):

   167         self.assertRaises(TypeError, base64.b32decode, 'abc')

   168         self.assertRaises(TypeError, base64.b32decode, 'ABCDEF==')

   169 

   170     def test_b16encode(self):

   171         eq = self.assertEqual

   172         eq(base64.b16encode('\x01\x02\xab\xcd\xef'), '0102ABCDEF')

   173         eq(base64.b16encode('\x00'), '00')

   174 

   175     def test_b16decode(self):

   176         eq = self.assertEqual

   177         eq(base64.b16decode('0102ABCDEF'), '\x01\x02\xab\xcd\xef')

   178         eq(base64.b16decode('00'), '\x00')

   179         # Lower case is not allowed without a flag

   180         self.assertRaises(TypeError, base64.b16decode, '0102abcdef')

   181         # Case fold

   182         eq(base64.b16decode('0102abcdef', True), '\x01\x02\xab\xcd\xef')

   183 

   184 

   185 

   186 def test_main():

   187     test_support.run_unittest(__name__)

   188 

   189 if __name__ == '__main__':

   190     test_main()