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Text File  |  2005-10-18  |  8KB  |  199 lines
  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 suite():
  187.     suite = unittest.TestSuite()
  188.     suite.addTest(unittest.makeSuite(LegacyBase64TestCase))
  189.     suite.addTest(unittest.makeSuite(BaseXYTestCase))
  190.     return suite
  191.  
  192.  
  193. def test_main():
  194.     test_support.run_suite(suite())
  195.  
  196.  
  197. if __name__ == '__main__':
  198.     unittest.main(defaultTest='suite')
  199.