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			690 lines
		
	
	
	
		
			30 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			690 lines
		
	
	
	
		
			30 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import unittest
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| from test import support
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| import base64
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| import binascii
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| import os
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| from array import array
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| from test.support import script_helper
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| 
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| 
 | |
| class LegacyBase64TestCase(unittest.TestCase):
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| 
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|     # Legacy API is not as permissive as the modern API
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|     def check_type_errors(self, f):
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|         self.assertRaises(TypeError, f, "")
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|         self.assertRaises(TypeError, f, [])
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|         multidimensional = memoryview(b"1234").cast('B', (2, 2))
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|         self.assertRaises(TypeError, f, multidimensional)
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|         int_data = memoryview(b"1234").cast('I')
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|         self.assertRaises(TypeError, f, int_data)
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| 
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|     def test_encodestring_warns(self):
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|         with self.assertWarns(DeprecationWarning):
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|             base64.encodestring(b"www.python.org")
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| 
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|     def test_decodestring_warns(self):
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|         with self.assertWarns(DeprecationWarning):
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|             base64.decodestring(b"d3d3LnB5dGhvbi5vcmc=\n")
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| 
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|     def test_encodebytes(self):
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|         eq = self.assertEqual
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|         eq(base64.encodebytes(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=\n")
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|         eq(base64.encodebytes(b"a"), b"YQ==\n")
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|         eq(base64.encodebytes(b"ab"), b"YWI=\n")
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|         eq(base64.encodebytes(b"abc"), b"YWJj\n")
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|         eq(base64.encodebytes(b""), b"")
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|         eq(base64.encodebytes(b"abcdefghijklmnopqrstuvwxyz"
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|                                b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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|                                b"0123456789!@#0^&*();:<>,. []{}"),
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|            b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
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|            b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
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|            b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n")
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|         # Non-bytes
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|         eq(base64.encodebytes(bytearray(b'abc')), b'YWJj\n')
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|         eq(base64.encodebytes(memoryview(b'abc')), b'YWJj\n')
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|         eq(base64.encodebytes(array('B', b'abc')), b'YWJj\n')
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|         self.check_type_errors(base64.encodebytes)
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| 
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|     def test_decodebytes(self):
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|         eq = self.assertEqual
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|         eq(base64.decodebytes(b"d3d3LnB5dGhvbi5vcmc=\n"), b"www.python.org")
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|         eq(base64.decodebytes(b"YQ==\n"), b"a")
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|         eq(base64.decodebytes(b"YWI=\n"), b"ab")
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|         eq(base64.decodebytes(b"YWJj\n"), b"abc")
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|         eq(base64.decodebytes(b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
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|                                b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
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|                                b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n"),
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|            b"abcdefghijklmnopqrstuvwxyz"
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|            b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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|            b"0123456789!@#0^&*();:<>,. []{}")
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|         eq(base64.decodebytes(b''), b'')
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|         # Non-bytes
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|         eq(base64.decodebytes(bytearray(b'YWJj\n')), b'abc')
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|         eq(base64.decodebytes(memoryview(b'YWJj\n')), b'abc')
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|         eq(base64.decodebytes(array('B', b'YWJj\n')), b'abc')
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|         self.check_type_errors(base64.decodebytes)
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| 
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|     def test_encode(self):
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|         eq = self.assertEqual
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|         from io import BytesIO, StringIO
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|         infp = BytesIO(b'abcdefghijklmnopqrstuvwxyz'
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|                        b'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
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|                        b'0123456789!@#0^&*();:<>,. []{}')
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|         outfp = BytesIO()
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|         base64.encode(infp, outfp)
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|         eq(outfp.getvalue(),
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|            b'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE'
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|            b'RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT'
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|            b'Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n')
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|         # Non-binary files
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|         self.assertRaises(TypeError, base64.encode, StringIO('abc'), BytesIO())
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|         self.assertRaises(TypeError, base64.encode, BytesIO(b'abc'), StringIO())
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|         self.assertRaises(TypeError, base64.encode, StringIO('abc'), StringIO())
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| 
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|     def test_decode(self):
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|         from io import BytesIO, StringIO
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|         infp = BytesIO(b'd3d3LnB5dGhvbi5vcmc=')
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|         outfp = BytesIO()
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|         base64.decode(infp, outfp)
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|         self.assertEqual(outfp.getvalue(), b'www.python.org')
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|         # Non-binary files
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|         self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), BytesIO())
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|         self.assertRaises(TypeError, base64.encode, BytesIO(b'YWJj\n'), StringIO())
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|         self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), StringIO())
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| 
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| 
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| class BaseXYTestCase(unittest.TestCase):
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| 
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|     # Modern API completely ignores exported dimension and format data and
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|     # treats any buffer as a stream of bytes
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|     def check_encode_type_errors(self, f):
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|         self.assertRaises(TypeError, f, "")
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|         self.assertRaises(TypeError, f, [])
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| 
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|     def check_decode_type_errors(self, f):
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|         self.assertRaises(TypeError, f, [])
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| 
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|     def check_other_types(self, f, bytes_data, expected):
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|         eq = self.assertEqual
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|         b = bytearray(bytes_data)
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|         eq(f(b), expected)
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|         # The bytearray wasn't mutated
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|         eq(b, bytes_data)
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|         eq(f(memoryview(bytes_data)), expected)
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|         eq(f(array('B', bytes_data)), expected)
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|         # XXX why is b64encode hardcoded here?
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|         self.check_nonbyte_element_format(base64.b64encode, bytes_data)
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|         self.check_multidimensional(base64.b64encode, bytes_data)
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| 
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|     def check_multidimensional(self, f, data):
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|         padding = b"\x00" if len(data) % 2 else b""
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|         bytes_data = data + padding # Make sure cast works
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|         shape = (len(bytes_data) // 2, 2)
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|         multidimensional = memoryview(bytes_data).cast('B', shape)
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|         self.assertEqual(f(multidimensional), f(bytes_data))
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| 
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|     def check_nonbyte_element_format(self, f, data):
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|         padding = b"\x00" * ((4 - len(data)) % 4)
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|         bytes_data = data + padding # Make sure cast works
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|         int_data = memoryview(bytes_data).cast('I')
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|         self.assertEqual(f(int_data), f(bytes_data))
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| 
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| 
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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(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=")
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|         eq(base64.b64encode(b'\x00'), b'AA==')
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|         eq(base64.b64encode(b"a"), b"YQ==")
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|         eq(base64.b64encode(b"ab"), b"YWI=")
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|         eq(base64.b64encode(b"abc"), b"YWJj")
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|         eq(base64.b64encode(b""), b"")
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|         eq(base64.b64encode(b"abcdefghijklmnopqrstuvwxyz"
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|                             b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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|                             b"0123456789!@#0^&*();:<>,. []{}"),
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|            b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
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|            b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"
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|            b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==")
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|         # Test with arbitrary alternative characters
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|         eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=b'*$'), b'01a*b$cd')
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|         eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=bytearray(b'*$')),
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|            b'01a*b$cd')
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|         eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=memoryview(b'*$')),
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|            b'01a*b$cd')
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|         eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=array('B', b'*$')),
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|            b'01a*b$cd')
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|         # Non-bytes
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|         self.check_other_types(base64.b64encode, b'abcd', b'YWJjZA==')
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|         self.check_encode_type_errors(base64.b64encode)
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|         self.assertRaises(TypeError, base64.b64encode, b"", altchars="*$")
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|         # Test standard alphabet
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|         eq(base64.standard_b64encode(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=")
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|         eq(base64.standard_b64encode(b"a"), b"YQ==")
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|         eq(base64.standard_b64encode(b"ab"), b"YWI=")
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|         eq(base64.standard_b64encode(b"abc"), b"YWJj")
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|         eq(base64.standard_b64encode(b""), b"")
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|         eq(base64.standard_b64encode(b"abcdefghijklmnopqrstuvwxyz"
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|                                      b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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|                                      b"0123456789!@#0^&*();:<>,. []{}"),
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|            b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
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|            b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"
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|            b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==")
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|         # Non-bytes
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|         self.check_other_types(base64.standard_b64encode,
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|                                b'abcd', b'YWJjZA==')
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|         self.check_encode_type_errors(base64.standard_b64encode)
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|         # Test with 'URL safe' alternative characters
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|         eq(base64.urlsafe_b64encode(b'\xd3V\xbeo\xf7\x1d'), b'01a-b_cd')
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|         # Non-bytes
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|         self.check_other_types(base64.urlsafe_b64encode,
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|                                b'\xd3V\xbeo\xf7\x1d', b'01a-b_cd')
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|         self.check_encode_type_errors(base64.urlsafe_b64encode)
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| 
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|     def test_b64decode(self):
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|         eq = self.assertEqual
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| 
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|         tests = {b"d3d3LnB5dGhvbi5vcmc=": b"www.python.org",
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|                  b'AA==': b'\x00',
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|                  b"YQ==": b"a",
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|                  b"YWI=": b"ab",
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|                  b"YWJj": b"abc",
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|                  b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
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|                  b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
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|                  b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==":
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| 
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|                  b"abcdefghijklmnopqrstuvwxyz"
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|                  b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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|                  b"0123456789!@#0^&*();:<>,. []{}",
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|                  b'': b'',
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|                  }
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|         for data, res in tests.items():
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|             eq(base64.b64decode(data), res)
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|             eq(base64.b64decode(data.decode('ascii')), res)
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|         # Non-bytes
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|         self.check_other_types(base64.b64decode, b"YWJj", b"abc")
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|         self.check_decode_type_errors(base64.b64decode)
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| 
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|         # Test with arbitrary alternative characters
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|         tests_altchars = {(b'01a*b$cd', b'*$'): b'\xd3V\xbeo\xf7\x1d',
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|                           }
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|         for (data, altchars), res in tests_altchars.items():
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|             data_str = data.decode('ascii')
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|             altchars_str = altchars.decode('ascii')
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| 
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|             eq(base64.b64decode(data, altchars=altchars), res)
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|             eq(base64.b64decode(data_str, altchars=altchars), res)
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|             eq(base64.b64decode(data, altchars=altchars_str), res)
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|             eq(base64.b64decode(data_str, altchars=altchars_str), res)
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| 
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|         # Test standard alphabet
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|         for data, res in tests.items():
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|             eq(base64.standard_b64decode(data), res)
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|             eq(base64.standard_b64decode(data.decode('ascii')), res)
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|         # Non-bytes
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|         self.check_other_types(base64.standard_b64decode, b"YWJj", b"abc")
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|         self.check_decode_type_errors(base64.standard_b64decode)
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| 
 | |
|         # Test with 'URL safe' alternative characters
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|         tests_urlsafe = {b'01a-b_cd': b'\xd3V\xbeo\xf7\x1d',
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|                          b'': b'',
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|                          }
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|         for data, res in tests_urlsafe.items():
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|             eq(base64.urlsafe_b64decode(data), res)
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|             eq(base64.urlsafe_b64decode(data.decode('ascii')), res)
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|         # Non-bytes
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|         self.check_other_types(base64.urlsafe_b64decode, b'01a-b_cd',
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|                                b'\xd3V\xbeo\xf7\x1d')
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|         self.check_decode_type_errors(base64.urlsafe_b64decode)
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| 
 | |
|     def test_b64decode_padding_error(self):
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|         self.assertRaises(binascii.Error, base64.b64decode, b'abc')
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|         self.assertRaises(binascii.Error, 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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|         funcs = (
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|             base64.b64decode,
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|             base64.standard_b64decode,
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|             base64.urlsafe_b64decode,
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|         )
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|         for bstr, res in tests:
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|             for func in funcs:
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|                 with self.subTest(bstr=bstr, func=func):
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|                     self.assertEqual(func(bstr), res)
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|                     self.assertEqual(func(bstr.decode('ascii')), res)
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|             with self.assertRaises(binascii.Error):
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|                 base64.b64decode(bstr, validate=True)
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|             with self.assertRaises(binascii.Error):
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|                 base64.b64decode(bstr.decode('ascii'), validate=True)
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| 
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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(b''), b'')
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|         eq(base64.b32encode(b'\x00'), b'AA======')
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|         eq(base64.b32encode(b'a'), b'ME======')
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|         eq(base64.b32encode(b'ab'), b'MFRA====')
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|         eq(base64.b32encode(b'abc'), b'MFRGG===')
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|         eq(base64.b32encode(b'abcd'), b'MFRGGZA=')
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|         eq(base64.b32encode(b'abcde'), b'MFRGGZDF')
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|         # Non-bytes
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|         self.check_other_types(base64.b32encode, b'abcd', b'MFRGGZA=')
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|         self.check_encode_type_errors(base64.b32encode)
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| 
 | |
|     def test_b32decode(self):
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|         eq = self.assertEqual
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|         tests = {b'': b'',
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|                  b'AA======': b'\x00',
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|                  b'ME======': b'a',
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|                  b'MFRA====': b'ab',
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|                  b'MFRGG===': b'abc',
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|                  b'MFRGGZA=': b'abcd',
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|                  b'MFRGGZDF': b'abcde',
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|                  }
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|         for data, res in tests.items():
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|             eq(base64.b32decode(data), res)
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|             eq(base64.b32decode(data.decode('ascii')), res)
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|         # Non-bytes
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|         self.check_other_types(base64.b32decode, b'MFRGG===', b"abc")
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|         self.check_decode_type_errors(base64.b32decode)
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| 
 | |
|     def test_b32decode_casefold(self):
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|         eq = self.assertEqual
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|         tests = {b'': b'',
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|                  b'ME======': b'a',
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|                  b'MFRA====': b'ab',
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|                  b'MFRGG===': b'abc',
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|                  b'MFRGGZA=': b'abcd',
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|                  b'MFRGGZDF': b'abcde',
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|                  # Lower cases
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|                  b'me======': b'a',
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|                  b'mfra====': b'ab',
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|                  b'mfrgg===': b'abc',
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|                  b'mfrggza=': b'abcd',
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|                  b'mfrggzdf': b'abcde',
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|                  }
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| 
 | |
|         for data, res in tests.items():
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|             eq(base64.b32decode(data, True), res)
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|             eq(base64.b32decode(data.decode('ascii'), True), res)
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| 
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|         self.assertRaises(binascii.Error, base64.b32decode, b'me======')
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|         self.assertRaises(binascii.Error, base64.b32decode, 'me======')
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| 
 | |
|         # Mapping zero and one
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|         eq(base64.b32decode(b'MLO23456'), b'b\xdd\xad\xf3\xbe')
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|         eq(base64.b32decode('MLO23456'), b'b\xdd\xad\xf3\xbe')
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| 
 | |
|         map_tests = {(b'M1023456', b'L'): b'b\xdd\xad\xf3\xbe',
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|                      (b'M1023456', b'I'): b'b\x1d\xad\xf3\xbe',
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|                      }
 | |
|         for (data, map01), res in map_tests.items():
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|             data_str = data.decode('ascii')
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|             map01_str = map01.decode('ascii')
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| 
 | |
|             eq(base64.b32decode(data, map01=map01), res)
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|             eq(base64.b32decode(data_str, map01=map01), res)
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|             eq(base64.b32decode(data, map01=map01_str), res)
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|             eq(base64.b32decode(data_str, map01=map01_str), res)
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|             self.assertRaises(binascii.Error, base64.b32decode, data)
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|             self.assertRaises(binascii.Error, base64.b32decode, data_str)
 | |
| 
 | |
|     def test_b32decode_error(self):
 | |
|         tests = [b'abc', b'ABCDEF==', b'==ABCDEF']
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|         prefixes = [b'M', b'ME', b'MFRA', b'MFRGG', b'MFRGGZA', b'MFRGGZDF']
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|         for i in range(0, 17):
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|             if i:
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|                 tests.append(b'='*i)
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|             for prefix in prefixes:
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|                 if len(prefix) + i != 8:
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|                     tests.append(prefix + b'='*i)
 | |
|         for data in tests:
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|             with self.subTest(data=data):
 | |
|                 with self.assertRaises(binascii.Error):
 | |
|                     base64.b32decode(data)
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|                 with self.assertRaises(binascii.Error):
 | |
|                     base64.b32decode(data.decode('ascii'))
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| 
 | |
|     def test_b16encode(self):
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|         eq = self.assertEqual
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|         eq(base64.b16encode(b'\x01\x02\xab\xcd\xef'), b'0102ABCDEF')
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|         eq(base64.b16encode(b'\x00'), b'00')
 | |
|         # Non-bytes
 | |
|         self.check_other_types(base64.b16encode, b'\x01\x02\xab\xcd\xef',
 | |
|                                b'0102ABCDEF')
 | |
|         self.check_encode_type_errors(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')
 | |
|         # Non-bytes
 | |
|         self.check_other_types(base64.b16decode, b"0102ABCDEF",
 | |
|                                b'\x01\x02\xab\xcd\xef')
 | |
|         self.check_decode_type_errors(base64.b16decode)
 | |
|         eq(base64.b16decode(bytearray(b"0102abcdef"), True),
 | |
|            b'\x01\x02\xab\xcd\xef')
 | |
|         eq(base64.b16decode(memoryview(b"0102abcdef"), True),
 | |
|            b'\x01\x02\xab\xcd\xef')
 | |
|         eq(base64.b16decode(array('B', b"0102abcdef"), True),
 | |
|            b'\x01\x02\xab\xcd\xef')
 | |
|         # Non-alphabet characters
 | |
|         self.assertRaises(binascii.Error, base64.b16decode, '0102AG')
 | |
|         # Incorrect "padding"
 | |
|         self.assertRaises(binascii.Error, base64.b16decode, '010')
 | |
| 
 | |
|     def test_a85encode(self):
 | |
|         eq = self.assertEqual
 | |
| 
 | |
|         tests = {
 | |
|             b'': b'',
 | |
|             b"www.python.org": b'GB\\6`E-ZP=Df.1GEb>',
 | |
|             bytes(range(255)): b"""!!*-'"9eu7#RLhG$k3[W&.oNg'GVB"(`=52*$$"""
 | |
|                b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE"""
 | |
|                b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN"""
 | |
|                b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU"""
 | |
|                b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd"""
 | |
|                b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`"""
 | |
|                b"""r;HT""",
 | |
|             b"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
 | |
|                 b"0123456789!@#0^&*();:<>,. []{}":
 | |
|                 b'@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T'
 | |
|                 b":Jand;cHat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P",
 | |
|             b"no padding..": b'DJpY:@:Wn_DJ(RS',
 | |
|             b"zero compression\0\0\0\0": b'H=_,8+Cf>,E,oN2F(oQ1z',
 | |
|             b"zero compression\0\0\0": b'H=_,8+Cf>,E,oN2F(oQ1!!!!',
 | |
|             b"Boundary:\0\0\0\0": b'6>q!aA79M(3WK-[!!',
 | |
|             b"Space compr:    ": b';fH/TAKYK$D/aMV+<VdL',
 | |
|             b'\xff': b'rr',
 | |
|             b'\xff'*2: b's8N',
 | |
|             b'\xff'*3: b's8W*',
 | |
|             b'\xff'*4: b's8W-!',
 | |
|             }
 | |
| 
 | |
|         for data, res in tests.items():
 | |
|             eq(base64.a85encode(data), res, data)
 | |
|             eq(base64.a85encode(data, adobe=False), res, data)
 | |
|             eq(base64.a85encode(data, adobe=True), b'<~' + res + b'~>', data)
 | |
| 
 | |
|         self.check_other_types(base64.a85encode, b"www.python.org",
 | |
|                                b'GB\\6`E-ZP=Df.1GEb>')
 | |
| 
 | |
|         self.assertRaises(TypeError, base64.a85encode, "")
 | |
| 
 | |
|         eq(base64.a85encode(b"www.python.org", wrapcol=7, adobe=False),
 | |
|            b'GB\\6`E-\nZP=Df.1\nGEb>')
 | |
|         eq(base64.a85encode(b"\0\0\0\0www.python.org", wrapcol=7, adobe=False),
 | |
|            b'zGB\\6`E\n-ZP=Df.\n1GEb>')
 | |
|         eq(base64.a85encode(b"www.python.org", wrapcol=7, adobe=True),
 | |
|            b'<~GB\\6`\nE-ZP=Df\n.1GEb>\n~>')
 | |
| 
 | |
|         eq(base64.a85encode(b' '*8, foldspaces=True, adobe=False), b'yy')
 | |
|         eq(base64.a85encode(b' '*7, foldspaces=True, adobe=False), b'y+<Vd')
 | |
|         eq(base64.a85encode(b' '*6, foldspaces=True, adobe=False), b'y+<U')
 | |
|         eq(base64.a85encode(b' '*5, foldspaces=True, adobe=False), b'y+9')
 | |
| 
 | |
|     def test_b85encode(self):
 | |
|         eq = self.assertEqual
 | |
| 
 | |
|         tests = {
 | |
|             b'': b'',
 | |
|             b'www.python.org': b'cXxL#aCvlSZ*DGca%T',
 | |
|             bytes(range(255)): b"""009C61O)~M2nh-c3=Iws5D^j+6crX17#SKH9337X"""
 | |
|                 b"""AR!_nBqb&%C@Cr{EG;fCFflSSG&MFiI5|2yJUu=?KtV!7L`6nNNJ&ad"""
 | |
|                 b"""OifNtP*GA-R8>}2SXo+ITwPvYU}0ioWMyV&XlZI|Y;A6DaB*^Tbai%j"""
 | |
|                 b"""czJqze0_d@fPsR8goTEOh>41ejE#<ukdcy;l$Dm3n3<ZJoSmMZprN9p"""
 | |
|                 b"""q@|{(sHv)}tgWuEu(7hUw6(UkxVgH!yuH4^z`?@9#Kp$P$jQpf%+1cv"""
 | |
|                 b"""(9zP<)YaD4*xB0K+}+;a;Njxq<mKk)=;`X~?CtLF@bU8V^!4`l`1$(#"""
 | |
|                 b"""{Qdp""",
 | |
|             b"""abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"""
 | |
|                 b"""0123456789!@#0^&*();:<>,. []{}""":
 | |
|                 b"""VPa!sWoBn+X=-b1ZEkOHadLBXb#`}nd3r%YLqtVJM@UIZOH55pPf$@("""
 | |
|                 b"""Q&d$}S6EqEFflSSG&MFiI5{CeBQRbjDkv#CIy^osE+AW7dwl""",
 | |
|             b'no padding..': b'Zf_uPVPs@!Zf7no',
 | |
|             b'zero compression\x00\x00\x00\x00': b'dS!BNAY*TBaB^jHb7^mG00000',
 | |
|             b'zero compression\x00\x00\x00': b'dS!BNAY*TBaB^jHb7^mG0000',
 | |
|             b"""Boundary:\x00\x00\x00\x00""": b"""LT`0$WMOi7IsgCw00""",
 | |
|             b'Space compr:    ': b'Q*dEpWgug3ZE$irARr(h',
 | |
|             b'\xff': b'{{',
 | |
|             b'\xff'*2: b'|Nj',
 | |
|             b'\xff'*3: b'|Ns9',
 | |
|             b'\xff'*4: b'|NsC0',
 | |
|         }
 | |
| 
 | |
|         for data, res in tests.items():
 | |
|             eq(base64.b85encode(data), res)
 | |
| 
 | |
|         self.check_other_types(base64.b85encode, b"www.python.org",
 | |
|                                b'cXxL#aCvlSZ*DGca%T')
 | |
| 
 | |
|     def test_a85decode(self):
 | |
|         eq = self.assertEqual
 | |
| 
 | |
|         tests = {
 | |
|             b'': b'',
 | |
|             b'GB\\6`E-ZP=Df.1GEb>': b'www.python.org',
 | |
|             b"""! ! * -'"\n\t\t9eu\r\n7#  RL\vhG$k3[W&.oNg'GVB"(`=52*$$"""
 | |
|                b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE"""
 | |
|                b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN"""
 | |
|                b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU"""
 | |
|                b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd"""
 | |
|                b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`"""
 | |
|                b"""r;HT""": bytes(range(255)),
 | |
|             b"""@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T:Jand;c"""
 | |
|                 b"""Hat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P""":
 | |
|                 b'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234'
 | |
|                 b'56789!@#0^&*();:<>,. []{}',
 | |
|             b'DJpY:@:Wn_DJ(RS': b'no padding..',
 | |
|             b'H=_,8+Cf>,E,oN2F(oQ1z': b'zero compression\x00\x00\x00\x00',
 | |
|             b'H=_,8+Cf>,E,oN2F(oQ1!!!!': b'zero compression\x00\x00\x00',
 | |
|             b'6>q!aA79M(3WK-[!!': b"Boundary:\x00\x00\x00\x00",
 | |
|             b';fH/TAKYK$D/aMV+<VdL': b'Space compr:    ',
 | |
|             b'rr': b'\xff',
 | |
|             b's8N': b'\xff'*2,
 | |
|             b's8W*': b'\xff'*3,
 | |
|             b's8W-!': b'\xff'*4,
 | |
|             }
 | |
| 
 | |
|         for data, res in tests.items():
 | |
|             eq(base64.a85decode(data), res, data)
 | |
|             eq(base64.a85decode(data, adobe=False), res, data)
 | |
|             eq(base64.a85decode(data.decode("ascii"), adobe=False), res, data)
 | |
|             eq(base64.a85decode(b'<~' + data + b'~>', adobe=True), res, data)
 | |
|             eq(base64.a85decode(data + b'~>', adobe=True), res, data)
 | |
|             eq(base64.a85decode('<~%s~>' % data.decode("ascii"), adobe=True),
 | |
|                res, data)
 | |
| 
 | |
|         eq(base64.a85decode(b'yy', foldspaces=True, adobe=False), b' '*8)
 | |
|         eq(base64.a85decode(b'y+<Vd', foldspaces=True, adobe=False), b' '*7)
 | |
|         eq(base64.a85decode(b'y+<U', foldspaces=True, adobe=False), b' '*6)
 | |
|         eq(base64.a85decode(b'y+9', foldspaces=True, adobe=False), b' '*5)
 | |
| 
 | |
|         self.check_other_types(base64.a85decode, b'GB\\6`E-ZP=Df.1GEb>',
 | |
|                                b"www.python.org")
 | |
| 
 | |
|     def test_b85decode(self):
 | |
|         eq = self.assertEqual
 | |
| 
 | |
|         tests = {
 | |
|             b'': b'',
 | |
|             b'cXxL#aCvlSZ*DGca%T': b'www.python.org',
 | |
|             b"""009C61O)~M2nh-c3=Iws5D^j+6crX17#SKH9337X"""
 | |
|                 b"""AR!_nBqb&%C@Cr{EG;fCFflSSG&MFiI5|2yJUu=?KtV!7L`6nNNJ&ad"""
 | |
|                 b"""OifNtP*GA-R8>}2SXo+ITwPvYU}0ioWMyV&XlZI|Y;A6DaB*^Tbai%j"""
 | |
|                 b"""czJqze0_d@fPsR8goTEOh>41ejE#<ukdcy;l$Dm3n3<ZJoSmMZprN9p"""
 | |
|                 b"""q@|{(sHv)}tgWuEu(7hUw6(UkxVgH!yuH4^z`?@9#Kp$P$jQpf%+1cv"""
 | |
|                 b"""(9zP<)YaD4*xB0K+}+;a;Njxq<mKk)=;`X~?CtLF@bU8V^!4`l`1$(#"""
 | |
|                 b"""{Qdp""": bytes(range(255)),
 | |
|             b"""VPa!sWoBn+X=-b1ZEkOHadLBXb#`}nd3r%YLqtVJM@UIZOH55pPf$@("""
 | |
|                 b"""Q&d$}S6EqEFflSSG&MFiI5{CeBQRbjDkv#CIy^osE+AW7dwl""":
 | |
|                 b"""abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"""
 | |
|                 b"""0123456789!@#0^&*();:<>,. []{}""",
 | |
|             b'Zf_uPVPs@!Zf7no': b'no padding..',
 | |
|             b'dS!BNAY*TBaB^jHb7^mG00000': b'zero compression\x00\x00\x00\x00',
 | |
|             b'dS!BNAY*TBaB^jHb7^mG0000': b'zero compression\x00\x00\x00',
 | |
|             b"""LT`0$WMOi7IsgCw00""": b"""Boundary:\x00\x00\x00\x00""",
 | |
|             b'Q*dEpWgug3ZE$irARr(h': b'Space compr:    ',
 | |
|             b'{{': b'\xff',
 | |
|             b'|Nj': b'\xff'*2,
 | |
|             b'|Ns9': b'\xff'*3,
 | |
|             b'|NsC0': b'\xff'*4,
 | |
|         }
 | |
| 
 | |
|         for data, res in tests.items():
 | |
|             eq(base64.b85decode(data), res)
 | |
|             eq(base64.b85decode(data.decode("ascii")), res)
 | |
| 
 | |
|         self.check_other_types(base64.b85decode, b'cXxL#aCvlSZ*DGca%T',
 | |
|                                b"www.python.org")
 | |
| 
 | |
|     def test_a85_padding(self):
 | |
|         eq = self.assertEqual
 | |
| 
 | |
|         eq(base64.a85encode(b"x", pad=True), b'GQ7^D')
 | |
|         eq(base64.a85encode(b"xx", pad=True), b"G^'2g")
 | |
|         eq(base64.a85encode(b"xxx", pad=True), b'G^+H5')
 | |
|         eq(base64.a85encode(b"xxxx", pad=True), b'G^+IX')
 | |
|         eq(base64.a85encode(b"xxxxx", pad=True), b'G^+IXGQ7^D')
 | |
| 
 | |
|         eq(base64.a85decode(b'GQ7^D'), b"x\x00\x00\x00")
 | |
|         eq(base64.a85decode(b"G^'2g"), b"xx\x00\x00")
 | |
|         eq(base64.a85decode(b'G^+H5'), b"xxx\x00")
 | |
|         eq(base64.a85decode(b'G^+IX'), b"xxxx")
 | |
|         eq(base64.a85decode(b'G^+IXGQ7^D'), b"xxxxx\x00\x00\x00")
 | |
| 
 | |
|     def test_b85_padding(self):
 | |
|         eq = self.assertEqual
 | |
| 
 | |
|         eq(base64.b85encode(b"x", pad=True), b'cmMzZ')
 | |
|         eq(base64.b85encode(b"xx", pad=True), b'cz6H+')
 | |
|         eq(base64.b85encode(b"xxx", pad=True), b'czAdK')
 | |
|         eq(base64.b85encode(b"xxxx", pad=True), b'czAet')
 | |
|         eq(base64.b85encode(b"xxxxx", pad=True), b'czAetcmMzZ')
 | |
| 
 | |
|         eq(base64.b85decode(b'cmMzZ'), b"x\x00\x00\x00")
 | |
|         eq(base64.b85decode(b'cz6H+'), b"xx\x00\x00")
 | |
|         eq(base64.b85decode(b'czAdK'), b"xxx\x00")
 | |
|         eq(base64.b85decode(b'czAet'), b"xxxx")
 | |
|         eq(base64.b85decode(b'czAetcmMzZ'), b"xxxxx\x00\x00\x00")
 | |
| 
 | |
|     def test_a85decode_errors(self):
 | |
|         illegal = (set(range(32)) | set(range(118, 256))) - set(b' \t\n\r\v')
 | |
|         for c in illegal:
 | |
|             with self.assertRaises(ValueError, msg=bytes([c])):
 | |
|                 base64.a85decode(b'!!!!' + bytes([c]))
 | |
|             with self.assertRaises(ValueError, msg=bytes([c])):
 | |
|                 base64.a85decode(b'!!!!' + bytes([c]), adobe=False)
 | |
|             with self.assertRaises(ValueError, msg=bytes([c])):
 | |
|                 base64.a85decode(b'<~!!!!' + bytes([c]) + b'~>', adobe=True)
 | |
| 
 | |
|         self.assertRaises(ValueError, base64.a85decode,
 | |
|                                       b"malformed", adobe=True)
 | |
|         self.assertRaises(ValueError, base64.a85decode,
 | |
|                                       b"<~still malformed", adobe=True)
 | |
| 
 | |
|         # With adobe=False (the default), Adobe framing markers are disallowed
 | |
|         self.assertRaises(ValueError, base64.a85decode,
 | |
|                                       b"<~~>")
 | |
|         self.assertRaises(ValueError, base64.a85decode,
 | |
|                                       b"<~~>", adobe=False)
 | |
|         base64.a85decode(b"<~~>", adobe=True)  # sanity check
 | |
| 
 | |
|         self.assertRaises(ValueError, base64.a85decode,
 | |
|                                       b"abcx", adobe=False)
 | |
|         self.assertRaises(ValueError, base64.a85decode,
 | |
|                                       b"abcdey", adobe=False)
 | |
|         self.assertRaises(ValueError, base64.a85decode,
 | |
|                                       b"a b\nc", adobe=False, ignorechars=b"")
 | |
| 
 | |
|         self.assertRaises(ValueError, base64.a85decode, b's', adobe=False)
 | |
|         self.assertRaises(ValueError, base64.a85decode, b's8', adobe=False)
 | |
|         self.assertRaises(ValueError, base64.a85decode, b's8W', adobe=False)
 | |
|         self.assertRaises(ValueError, base64.a85decode, b's8W-', adobe=False)
 | |
|         self.assertRaises(ValueError, base64.a85decode, b's8W-"', adobe=False)
 | |
| 
 | |
|     def test_b85decode_errors(self):
 | |
|         illegal = list(range(33)) + \
 | |
|                   list(b'"\',./:[\\]') + \
 | |
|                   list(range(128, 256))
 | |
|         for c in illegal:
 | |
|             with self.assertRaises(ValueError, msg=bytes([c])):
 | |
|                 base64.b85decode(b'0000' + bytes([c]))
 | |
| 
 | |
|         self.assertRaises(ValueError, base64.b85decode, b'|')
 | |
|         self.assertRaises(ValueError, base64.b85decode, b'|N')
 | |
|         self.assertRaises(ValueError, base64.b85decode, b'|Ns')
 | |
|         self.assertRaises(ValueError, base64.b85decode, b'|NsC')
 | |
|         self.assertRaises(ValueError, base64.b85decode, b'|NsC1')
 | |
| 
 | |
|     def test_decode_nonascii_str(self):
 | |
|         decode_funcs = (base64.b64decode,
 | |
|                         base64.standard_b64decode,
 | |
|                         base64.urlsafe_b64decode,
 | |
|                         base64.b32decode,
 | |
|                         base64.b16decode,
 | |
|                         base64.b85decode,
 | |
|                         base64.a85decode)
 | |
|         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):
 | |
|         return script_helper.assert_python_ok('-m', 'base64', *args).out
 | |
| 
 | |
|     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==')
 | |
| 
 | |
|     def test_encode_from_stdin(self):
 | |
|         with script_helper.spawn_python('-m', 'base64', '-e') as proc:
 | |
|             out, err = proc.communicate(b'a\xffb\n')
 | |
|         self.assertEqual(out.rstrip(), b'Yf9iCg==')
 | |
|         self.assertIsNone(err)
 | |
| 
 | |
|     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')
 | |
| 
 | |
| if __name__ == '__main__':
 | |
|     unittest.main()
 | 
