mirror of
https://github.com/samba-team/samba.git
synced 2025-07-30 19:42:05 +03:00
Sync up python stuff from HEAD.
This commit is contained in:
Tim Potter
@ -22,9 +22,40 @@ import samba.tdbpack
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both_unpackers = (samba.tdbpack.unpack, oldtdbutil.unpack)
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both_packers = (samba.tdbpack.pack, oldtdbutil.pack)
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# # ('B', [10, 'hello'], '\x0a\0\0\0hello'),
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# ('BB', [11, 'hello\0world', 3, 'now'],
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# '\x0b\0\0\0hello\0world\x03\0\0\0now'),
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# ('pd', [1, 10], '\x01\0\0\0\x0a\0\0\0'),
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# ('BBB', [5, 'hello', 0, '', 5, 'world'],
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# '\x05\0\0\0hello\0\0\0\0\x05\0\0\0world'),
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# strings are sequences in Python, there's no getting away
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# from it
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# ('ffff', 'evil', 'e\0v\0i\0l\0'),
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# ('BBBB', 'evil',
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# '\x01\0\0\0e'
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# '\x01\0\0\0v'
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# '\x01\0\0\0i'
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# '\x01\0\0\0l'),
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# ('', [], ''),
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# # exercise some long strings
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# ('PP', ['hello' * 255, 'world' * 255],
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# 'hello' * 255 + '\0' + 'world' * 255 + '\0'),
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# ('PP', ['hello' * 40000, 'world' * 50000],
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# 'hello' * 40000 + '\0' + 'world' * 50000 + '\0'),
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# ('B', [(5*51), 'hello' * 51], '\xff\0\0\0' + 'hello' * 51),
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# ('BB', [(5 * 40000), 'hello' * 40000,
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# (5 * 50000), 'world' * 50000],
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# '\x40\x0d\x03\0' + 'hello' * 40000 + '\x90\xd0\x03\x00' + 'world' * 50000),
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class PackTests(unittest.TestCase):
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symm_cases = [('B', ['hello' * 51], '\xff\0\0\0' + 'hello' * 51),
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symm_cases = [
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('w', [42], '\x2a\0'),
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('www', [42, 2, 69], '\x2a\0\x02\0\x45\0'),
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('wd', [42, 256], '\x2a\0\0\x01\0\0'),
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@ -37,55 +68,44 @@ class PackTests(unittest.TestCase):
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('p', [1], '\x01\0\0\0'),
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('d', [0x01020304], '\x04\x03\x02\x01'),
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('d', [0x7fffffff], '\xff\xff\xff\x7f'),
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('d', [0x80000000], '\x00\x00\x00\x80'),
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('d', [-1], '\xff\xff\xff\xff'),
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('d', [-255], '\x01\xff\xff\xff'),
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('d', [-256], '\x00\xff\xff\xff'),
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('d', [0x80000000L], '\x00\x00\x00\x80'),
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('d', [0x80000069L], '\x69\x00\x00\x80'),
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('d', [0xffffffffL], '\xff\xff\xff\xff'),
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('d', [0xffffff00L], '\x00\xff\xff\xff'),
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('ddd', [1, 10, 50], '\x01\0\0\0\x0a\0\0\0\x32\0\0\0'),
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('ff', ['hello', 'world'], 'hello\0world\0'),
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('fP', ['hello', 'world'], 'hello\0world\0'),
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('PP', ['hello', 'world'], 'hello\0world\0'),
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('B', [''], '\0\0\0\0'),
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('B', ['hello'], '\x05\0\0\0hello'),
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('BB', ['hello\0world', 'now'],
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'\x0b\0\0\0hello\0world\x03\0\0\0now'),
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('pd', [1, 10], '\x01\0\0\0\x0a\0\0\0'),
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('BBB', ['hello', '', 'world'],
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'\x05\0\0\0hello\0\0\0\0\x05\0\0\0world'),
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# strings are sequences in Python, there's no getting away
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# from it
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('ffff', 'evil', 'e\0v\0i\0l\0'),
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('BBBB', 'evil',
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'\x01\0\0\0e'
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'\x01\0\0\0v'
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'\x01\0\0\0i'
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'\x01\0\0\0l'),
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('', [], ''),
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# exercise some long strings
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('PP', ['hello' * 255, 'world' * 255],
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'hello' * 255 + '\0' + 'world' * 255 + '\0'),
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('PP', ['hello' * 40000, 'world' * 50000],
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'hello' * 40000 + '\0' + 'world' * 50000 + '\0'),
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('B', ['hello' * 51], '\xff\0\0\0' + 'hello' * 51),
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('BB', ['hello' * 40000, 'world' * 50000],
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'\x40\x0d\x03\0' + 'hello' * 40000 + '\x90\xd0\x03\x00' + 'world' * 50000),
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('B', [0, ''], '\0\0\0\0'),
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# old implementation is wierd when string is not the right length
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# ('B', [2, 'hello'], '\x0a\0\0\0hello'),
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('B', [5, 'hello'], '\x05\0\0\0hello'),
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]
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def test_symmetric(self):
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"""Cookbook of symmetric pack/unpack tests
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"""
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for packer in both_packers:
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for packer in [samba.tdbpack.pack]: # both_packers:
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for unpacker in both_unpackers:
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for format, values, expected in self.symm_cases:
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self.assertEquals(packer(format, values), expected)
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out_packed = packer(format, values)
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self.assertEquals(out_packed, expected)
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out, rest = unpacker(format, expected)
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self.assertEquals(rest, '')
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self.assertEquals(list(values), list(out))
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def test_large(self):
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"""Test large pack/unpack strings"""
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large_cases = [('w' * 1000, xrange(1000)), ]
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for packer in both_packers:
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for unpacker in both_unpackers:
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for format, values in large_cases:
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packed = packer(format, values)
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out, rest = unpacker(format, packed)
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self.assertEquals(rest, '')
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self.assertEquals(list(values), list(out))
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def test_pack(self):
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"""Cookbook of expected pack values
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@ -95,10 +115,6 @@ class PackTests(unittest.TestCase):
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cases = [('w', (42,), '\x2a\0'),
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('p', [None], '\0\0\0\0'),
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('p', ['true'], '\x01\0\0\0'),
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('w', {1: 'fruit'}, '\x01\0'),
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# passing a dictionary is dodgy, but it gets coerced to keys
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# as if you called list()
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]
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for packer in both_packers:
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@ -112,7 +128,23 @@ class PackTests(unittest.TestCase):
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out, rest = unpacker(format, packed + 'hello sailor!')
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self.assertEquals(rest, 'hello sailor!')
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self.assertEquals(list(values), list(out))
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def test_pack_extra(self):
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"""Leftover values when packing"""
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cases = [
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('d', [10, 20], [10]),
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('d', [10, 'hello'], [10]),
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('ff', ['hello', 'world', 'sailor'], ['hello', 'world']),
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]
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for unpacker in both_unpackers:
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for packer in both_packers:
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for format, values, chopped in cases:
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bin = packer(format, values)
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out, rest = unpacker(format, bin)
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self.assertEquals(list(out), list(chopped))
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self.assertEquals(rest, '')
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def test_unpack(self):
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"""Cookbook of tricky unpack tests"""
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@ -129,73 +161,93 @@ class PackTests(unittest.TestCase):
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def test_pack_failures(self):
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"""Expected errors for incorrect packing"""
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cases = [('w', [], IndexError),
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('w', (), IndexError),
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('w', {}, IndexError),
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('ww', [2], IndexError),
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('w', 2, TypeError),
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('', [1, 2, 3], IndexError),
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('w', None, TypeError),
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('wwwwwwwwwwww', [], IndexError),
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('w', [2, 3], IndexError),
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('w', [0x60A15EC5L], TypeError),
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('w', [None], TypeError),
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('w', xrange(10000), IndexError),
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('d', [], IndexError),
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('d', [0L], TypeError),
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('p', [], IndexError),
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('f', [2], TypeError),
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('P', [None], TypeError),
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('P', (), IndexError),
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('f', [hex], TypeError),
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('fw', ['hello'], IndexError),
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('f', [u'hello'], TypeError),
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('B', [2], TypeError),
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(None, [2, 3, 4], TypeError),
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(ord('f'), [20], TypeError),
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(['w', 'w'], [2, 2], TypeError),
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('Q', [2], ValueError),
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('fQ', ['2', 3], ValueError),
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('fQ', ['2'], IndexError),
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(2, [2], TypeError),
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({}, {}, TypeError)]
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cases = [('w', []),
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# ('w', ()),
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# ('w', {}),
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('ww', [2]),
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('w', 2),
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# ('w', None),
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('wwwwwwwwwwww', []),
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# ('w', [0x60A15EC5L]),
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# ('w', [None]),
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('d', []),
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('p', []),
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('f', [2]),
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('P', [None]),
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('P', ()),
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('f', [hex]),
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('fw', ['hello']),
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# ('f', [u'hello']),
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('B', [2]),
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(None, [2, 3, 4]),
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(ord('f'), [20]),
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# old code doesn't distinguish string from seq-of-char
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# (['w', 'w'], [2, 2]),
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# old code just ignores invalid characters
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# ('Q', [2]),
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# ('fQ', ['2', 3]),
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# ('fQ', ['2']),
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(2, [2]),
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# old code doesn't typecheck format
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# ({}, {})
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]
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for packer in both_packers:
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for format, values, throwable_class in cases:
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def do_pack():
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for format, values in cases:
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try:
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packer(format, values)
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self.assertRaises(throwable_class, do_pack)
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except StandardError:
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pass
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else:
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raise AssertionError("didn't get exception: format %s, values %s, packer %s"
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% (`format`, `values`, `packer`))
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def test_unpack_failures(self):
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"""Expected errors for incorrect unpacking"""
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cases = [('$', '', ValueError),
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('Q', '', ValueError),
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('Q$', '', ValueError),
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cases = [
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# This ought to be illegal, but the old code doesn't prohibit it
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# ('$', '', ValueError),
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# ('Q', '', ValueError),
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# ('Q$', '', ValueError),
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('f', '', IndexError),
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('d', '', IndexError),
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('d', '2', IndexError),
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('d', '22', IndexError),
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('d', '222', IndexError),
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# This is an illegal packing, but the old code doesn't trap
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# ('d', '2', IndexError),
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# ('d', '22', IndexError),
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# ('d', '222', IndexError),
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# ('p', '\x01\0', IndexError),
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# ('w', '2', IndexError),
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# ('B', '\xff\0\0\0hello', IndexError),
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# ('B', '\xff\0', IndexError),
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('w', '', IndexError),
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('w', '2', IndexError),
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('f', 'hello', IndexError),
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('f', '', IndexError),
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('p', '\x01\0', IndexError),
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('B', '\xff\0\0\0hello', IndexError),
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('B', '\xff\0', IndexError),
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('B', '\x01\0\0\0', IndexError),
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('B', '\x05\0\0\0hell', IndexError),
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# ('B', '\x01\0\0\0', IndexError),
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# ('B', '\x05\0\0\0hell', IndexError),
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('B', '\xff\xff\xff\xff', ValueError),
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('B', 'foobar', IndexError),
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('BB', '\x01\0\0\0a\x01', IndexError),
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# ('B', 'foobar', IndexError),
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# ('BB', '\x01\0\0\0a\x01', IndexError),
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]
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for unpacker in both_unpackers:
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for format, values, throwable_class in cases:
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def do_unpack():
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try:
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unpacker(format, values)
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self.assertRaises(throwable_class, do_unpack)
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except StandardError:
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pass
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else:
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raise AssertionError("didn't get exception: format %s, values %s, unpacker %s"
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% (`format`, `values`, `unpacker`))
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def test_unpack_repeated(self):
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cases = [(('df$',
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'\x00\x00\x00\x00HP C LaserJet 4500-PS\x00Windows 4.0\x00\\print$\\WIN40\\0\\PSCRIPT.DRV\x00\\print$\\WIN40\\0\\PSCRIPT.DRV\x00\\print$\\WIN40\\0\\PSCRIPT.DRV\x00\\print$\\WIN40\\0\\PSCRIPT.HLP\x00\x00RAW\x00\\print$\\WIN40\\0\\readme.wri\x00\\print$\\WIN40\\0\\pscript.drv\x00\\print$\\WIN40\\0\\pscript.hlp\x00'),
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([0L, 'HP C LaserJet 4500-PS', 'Windows 4.0', '\\print$\\WIN40\\0\\PSCRIPT.DRV', '\\print$\\WIN40\\0\\PSCRIPT.DRV', '\\print$\\WIN40\\0\\PSCRIPT.DRV', '\\print$\\WIN40\\0\\PSCRIPT.HLP', '', 'RAW', '\\print$\\WIN40\\0\\readme.wri', '\\print$\\WIN40\\0\\pscript.drv', '\\print$\\WIN40\\0\\pscript.hlp'], ''))]
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for unpacker in both_unpackers:
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for input, expected in cases:
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result = apply(unpacker, input)
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if result != expected:
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raise AssertionError("%s:\n input: %s\n output: %s\n expected: %s" % (`unpacker`, `input`, `result`, `expected`))
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if __name__ == '__main__':
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