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import unittest
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from test import test_support
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import base64
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class LegacyBase64TestCase(unittest.TestCase):
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def test_encodestring(self):
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eq = self.assertEqual
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eq(base64.encodestring("www.python.org"), "d3d3LnB5dGhvbi5vcmc=\n")
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eq(base64.encodestring("a"), "YQ==\n")
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eq(base64.encodestring("ab"), "YWI=\n")
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eq(base64.encodestring("abc"), "YWJj\n")
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eq(base64.encodestring(""), "")
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eq(base64.encodestring("abcdefghijklmnopqrstuvwxyz"
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"0123456789!@#0^&*();:<>,. []{}"),
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"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
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"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
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"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n")
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# Non-bytes
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eq(base64.encodestring(bytearray('abc')), 'YWJj\n')
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def test_decodestring(self):
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eq = self.assertEqual
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eq(base64.decodestring("d3d3LnB5dGhvbi5vcmc=\n"), "www.python.org")
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eq(base64.decodestring("YQ==\n"), "a")
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eq(base64.decodestring("YWI=\n"), "ab")
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eq(base64.decodestring("YWJj\n"), "abc")
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eq(base64.decodestring("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
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"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
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"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n"),
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"abcdefghijklmnopqrstuvwxyz"
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"0123456789!@#0^&*();:<>,. []{}")
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eq(base64.decodestring(''), '')
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# Non-bytes
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eq(base64.decodestring(bytearray("YWJj\n")), "abc")
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def test_encode(self):
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eq = self.assertEqual
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from cStringIO import StringIO
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infp = StringIO('abcdefghijklmnopqrstuvwxyz'
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'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
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'0123456789!@#0^&*();:<>,. []{}')
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outfp = StringIO()
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base64.encode(infp, outfp)
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eq(outfp.getvalue(),
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'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE'
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'RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT'
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'Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n')
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def test_decode(self):
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from cStringIO import StringIO
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infp = StringIO('d3d3LnB5dGhvbi5vcmc=')
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outfp = StringIO()
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base64.decode(infp, outfp)
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self.assertEqual(outfp.getvalue(), 'www.python.org')
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class BaseXYTestCase(unittest.TestCase):
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def test_b64encode(self):
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eq = self.assertEqual
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# Test default alphabet
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eq(base64.b64encode("www.python.org"), "d3d3LnB5dGhvbi5vcmc=")
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eq(base64.b64encode('\x00'), 'AA==')
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eq(base64.b64encode("a"), "YQ==")
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eq(base64.b64encode("ab"), "YWI=")
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eq(base64.b64encode("abc"), "YWJj")
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eq(base64.b64encode(""), "")
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eq(base64.b64encode("abcdefghijklmnopqrstuvwxyz"
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"0123456789!@#0^&*();:<>,. []{}"),
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"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
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"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"
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"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==")
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# Test with arbitrary alternative characters
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eq(base64.b64encode('\xd3V\xbeo\xf7\x1d', altchars='*$'), '01a*b$cd')
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# Non-bytes
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eq(base64.b64encode(bytearray('abcd')), 'YWJjZA==')
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self.assertRaises(TypeError, base64.b64encode,
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'\xd3V\xbeo\xf7\x1d', altchars=bytearray('*$'))
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# Test standard alphabet
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eq(base64.standard_b64encode("www.python.org"), "d3d3LnB5dGhvbi5vcmc=")
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eq(base64.standard_b64encode("a"), "YQ==")
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eq(base64.standard_b64encode("ab"), "YWI=")
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eq(base64.standard_b64encode("abc"), "YWJj")
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eq(base64.standard_b64encode(""), "")
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eq(base64.standard_b64encode("abcdefghijklmnopqrstuvwxyz"
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"0123456789!@#0^&*();:<>,. []{}"),
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"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
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"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"
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"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==")
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# Non-bytes
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eq(base64.standard_b64encode(bytearray('abcd')), 'YWJjZA==')
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# Test with 'URL safe' alternative characters
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eq(base64.urlsafe_b64encode('\xd3V\xbeo\xf7\x1d'), '01a-b_cd')
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# Non-bytes
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eq(base64.urlsafe_b64encode(bytearray('\xd3V\xbeo\xf7\x1d')), '01a-b_cd')
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def test_b64decode(self):
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eq = self.assertEqual
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eq(base64.b64decode("d3d3LnB5dGhvbi5vcmc="), "www.python.org")
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eq(base64.b64decode('AA=='), '\x00')
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eq(base64.b64decode("YQ=="), "a")
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eq(base64.b64decode("YWI="), "ab")
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eq(base64.b64decode("YWJj"), "abc")
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eq(base64.b64decode("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
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"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
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"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ=="),
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"abcdefghijklmnopqrstuvwxyz"
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"0123456789!@#0^&*();:<>,. []{}")
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eq(base64.b64decode(''), '')
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# Test with arbitrary alternative characters
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eq(base64.b64decode('01a*b$cd', altchars='*$'), '\xd3V\xbeo\xf7\x1d')
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# Non-bytes
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eq(base64.b64decode(bytearray("YWJj")), "abc")
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# Test standard alphabet
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eq(base64.standard_b64decode("d3d3LnB5dGhvbi5vcmc="), "www.python.org")
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eq(base64.standard_b64decode("YQ=="), "a")
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eq(base64.standard_b64decode("YWI="), "ab")
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eq(base64.standard_b64decode("YWJj"), "abc")
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eq(base64.standard_b64decode(""), "")
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eq(base64.standard_b64decode("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
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"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"
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"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ=="),
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"abcdefghijklmnopqrstuvwxyz"
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"0123456789!@#0^&*();:<>,. []{}")
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# Non-bytes
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eq(base64.standard_b64decode(bytearray("YWJj")), "abc")
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# Test with 'URL safe' alternative characters
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eq(base64.urlsafe_b64decode('01a-b_cd'), '\xd3V\xbeo\xf7\x1d')
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# Non-bytes
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eq(base64.urlsafe_b64decode(bytearray('01a-b_cd')), '\xd3V\xbeo\xf7\x1d')
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def test_b64decode_padding_error(self):
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self.assertRaises(TypeError, base64.b64decode, 'abc')
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def test_b64decode_invalid_chars(self):
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# issue 1466065: Test some invalid characters.
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tests = ((b'%3d==', b'\xdd'),
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(b'$3d==', b'\xdd'),
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(b'[==', b''),
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(b'YW]3=', b'am'),
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(b'3{d==', b'\xdd'),
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(b'3d}==', b'\xdd'),
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(b'@@', b''),
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(b'!', b''),
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(b'YWJj\nYWI=', b'abcab'))
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for bstr, res in tests:
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self.assertEqual(base64.b64decode(bstr), res)
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self.assertEqual(base64.standard_b64decode(bstr), res)
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self.assertEqual(base64.urlsafe_b64decode(bstr), res)
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# Normal alphabet characters not discarded when alternative given
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res = b'\xFB\xEF\xBE\xFF\xFF\xFF'
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self.assertEqual(base64.b64decode(b'++[[//]]', b'[]'), res)
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self.assertEqual(base64.urlsafe_b64decode(b'++--//__'), res)
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def test_b32encode(self):
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eq = self.assertEqual
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eq(base64.b32encode(''), '')
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eq(base64.b32encode('\x00'), 'AA======')
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eq(base64.b32encode('a'), 'ME======')
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eq(base64.b32encode('ab'), 'MFRA====')
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eq(base64.b32encode('abc'), 'MFRGG===')
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eq(base64.b32encode('abcd'), 'MFRGGZA=')
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eq(base64.b32encode('abcde'), 'MFRGGZDF')
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# Non-bytes
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eq(base64.b32encode(bytearray('abcd')), 'MFRGGZA=')
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def test_b32decode(self):
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eq = self.assertEqual
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eq(base64.b32decode(''), '')
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eq(base64.b32decode('AA======'), '\x00')
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eq(base64.b32decode('ME======'), 'a')
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eq(base64.b32decode('MFRA===='), 'ab')
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eq(base64.b32decode('MFRGG==='), 'abc')
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eq(base64.b32decode('MFRGGZA='), 'abcd')
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eq(base64.b32decode('MFRGGZDF'), 'abcde')
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# Non-bytes
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self.assertRaises(TypeError, base64.b32decode, bytearray('MFRGG==='))
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def test_b32decode_casefold(self):
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eq = self.assertEqual
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eq(base64.b32decode('', True), '')
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eq(base64.b32decode('ME======', True), 'a')
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eq(base64.b32decode('MFRA====', True), 'ab')
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eq(base64.b32decode('MFRGG===', True), 'abc')
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eq(base64.b32decode('MFRGGZA=', True), 'abcd')
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eq(base64.b32decode('MFRGGZDF', True), 'abcde')
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# Lower cases
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eq(base64.b32decode('me======', True), 'a')
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eq(base64.b32decode('mfra====', True), 'ab')
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eq(base64.b32decode('mfrgg===', True), 'abc')
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eq(base64.b32decode('mfrggza=', True), 'abcd')
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eq(base64.b32decode('mfrggzdf', True), 'abcde')
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# Expected exceptions
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self.assertRaises(TypeError, base64.b32decode, 'me======')
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# Mapping zero and one
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eq(base64.b32decode('MLO23456'), 'b\xdd\xad\xf3\xbe')
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eq(base64.b32decode('M1023456', map01='L'), 'b\xdd\xad\xf3\xbe')
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eq(base64.b32decode('M1023456', map01='I'), 'b\x1d\xad\xf3\xbe')
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def test_b32decode_error(self):
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self.assertRaises(TypeError, base64.b32decode, 'abc')
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self.assertRaises(TypeError, base64.b32decode, 'ABCDEF==')
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def test_b16encode(self):
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eq = self.assertEqual
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eq(base64.b16encode('\x01\x02\xab\xcd\xef'), '0102ABCDEF')
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eq(base64.b16encode('\x00'), '00')
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# Non-bytes
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eq(base64.b16encode(bytearray('\x01\x02\xab\xcd\xef')), '0102ABCDEF')
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def test_b16decode(self):
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eq = self.assertEqual
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eq(base64.b16decode('0102ABCDEF'), '\x01\x02\xab\xcd\xef')
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eq(base64.b16decode('00'), '\x00')
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# Lower case is not allowed without a flag
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self.assertRaises(TypeError, base64.b16decode, '0102abcdef')
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# Case fold
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eq(base64.b16decode('0102abcdef', True), '\x01\x02\xab\xcd\xef')
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# Non-bytes
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eq(base64.b16decode(bytearray("0102ABCDEF")), '\x01\x02\xab\xcd\xef')
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# Non-alphabet characters
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self.assertRaises(TypeError, base64.b16decode, '0102AG')
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# Incorrect "padding"
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self.assertRaises(TypeError, base64.b16decode, '010')
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def test_main():
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test_support.run_unittest(__name__)
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if __name__ == '__main__':
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test_main()
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