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# bencode structured encoding
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# Written by Petru Paler
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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# The Software is provided "AS IS", without warranty of any kind,
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# express or implied, including but not limited to the warranties of
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# merchantability, fitness for a particular purpose and
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# noninfringement. In no event shall the authors or copyright holders
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# be liable for any claim, damages or other liability, whether in an
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# action of contract, tort or otherwise, arising from, out of or in
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# connection with the Software or the use or other dealings in the
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from bzrlib.util.bencode import bencode, bdecode, bdecode_as_tuple, Bencached
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from bzrlib.tests import TestCase
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class TestBencode(TestCase):
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# tests moved from within the bencode module so they're not run on every
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def test_bdecode(self):
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bdecode('i341foo382e')
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assert bdecode('i4e') == 4L
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assert bdecode('i0e') == 0L
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assert bdecode('i123456789e') == 123456789L
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assert bdecode('i-10e') == -10L
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bdecode('35208734823ljdahflajhdf')
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bdecode('2:abfdjslhfld')
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assert bdecode('0:') == ''
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assert bdecode('3:abc') == 'abc'
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assert bdecode('10:1234567890') == '1234567890'
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assert bdecode('le') == []
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bdecode('leanfdldjfh')
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assert bdecode('l0:0:0:e') == ['', '', '']
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bdecode('relwjhrlewjh')
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assert bdecode('li1ei2ei3ee') == [1, 2, 3]
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assert bdecode('l3:asd2:xye') == ['asd', 'xy']
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assert bdecode('ll5:Alice3:Bobeli2ei3eee') == [['Alice', 'Bob'], [2, 3]]
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assert bdecode('de') == {}
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assert bdecode('d3:agei25e4:eyes4:bluee') == {'age': 25, 'eyes': 'blue'}
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assert bdecode('d8:spam.mp3d6:author5:Alice6:lengthi100000eee') == {'spam.mp3': {'author': 'Alice', 'length': 100000}}
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bdecode('d1:b0:1:a0:e')
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bdecode('d1:a0:1:a0:e')
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def test_bdecode_as_tuple(self):
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assert bdecode_as_tuple('le') == ()
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bdecode_as_tuple('leanfdldjfh')
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assert bdecode_as_tuple('l0:0:0:e') == ('', '', '')
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assert bdecode_as_tuple('li1ei2ei3ee') == (1, 2, 3)
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assert bdecode_as_tuple('l3:asd2:xye') == ('asd', 'xy')
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assert bdecode_as_tuple('ll5:Alice3:Bobeli2ei3eee') == (('Alice', 'Bob'),
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bdecode_as_tuple('l-3:e')
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def test_bencode(self):
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assert bencode(4) == 'i4e'
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assert bencode(0) == 'i0e'
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assert bencode(-10) == 'i-10e'
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assert bencode(12345678901234567890L) == 'i12345678901234567890e'
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assert bencode('') == '0:'
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assert bencode('abc') == '3:abc'
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assert bencode('1234567890') == '10:1234567890'
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assert bencode([]) == 'le'
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assert bencode([1, 2, 3]) == 'li1ei2ei3ee'
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assert bencode([['Alice', 'Bob'], [2, 3]]) == 'll5:Alice3:Bobeli2ei3eee'
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assert bencode({}) == 'de'
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assert bencode({'age': 25, 'eyes': 'blue'}) == 'd3:agei25e4:eyes4:bluee'
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assert bencode({'spam.mp3': {'author': 'Alice', 'length': 100000}}) == 'd8:spam.mp3d6:author5:Alice6:lengthi100000eee'
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assert bencode(Bencached(bencode(3))) == 'i3e'
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assert bencode(True) == 'i1e'
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assert bencode(False) == 'i0e'