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from __future__ import absolute_import
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import unittest
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from mercurial.thirdparty import (
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cbor,
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)
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from mercurial.utils import (
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cborutil,
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)
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class TestCase(unittest.TestCase):
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if not getattr(unittest.TestCase, 'assertRaisesRegex', False):
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# Python 3.7 deprecates the regex*p* version, but 2.7 lacks
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# the regex version.
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assertRaisesRegex = (# camelcase-required
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unittest.TestCase.assertRaisesRegexp)
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def loadit(it):
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return cbor.loads(b''.join(it))
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class BytestringTests(TestCase):
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def testsimple(self):
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self.assertEqual(
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list(cborutil.streamencode(b'foobar')),
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[b'\x46', b'foobar'])
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self.assertEqual(
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loadit(cborutil.streamencode(b'foobar')),
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b'foobar')
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self.assertEqual(cborutil.decodeall(b'\x46foobar'),
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[b'foobar'])
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self.assertEqual(cborutil.decodeall(b'\x46foobar\x45fizbi'),
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[b'foobar', b'fizbi'])
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def testlong(self):
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source = b'x' * 1048576
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self.assertEqual(loadit(cborutil.streamencode(source)), source)
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encoded = b''.join(cborutil.streamencode(source))
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self.assertEqual(cborutil.decodeall(encoded), [source])
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def testfromiter(self):
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# This is the example from RFC 7049 Section 2.2.2.
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source = [b'\xaa\xbb\xcc\xdd', b'\xee\xff\x99']
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self.assertEqual(
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list(cborutil.streamencodebytestringfromiter(source)),
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[
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b'\x5f',
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b'\x44',
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b'\xaa\xbb\xcc\xdd',
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b'\x43',
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b'\xee\xff\x99',
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b'\xff',
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])
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self.assertEqual(
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loadit(cborutil.streamencodebytestringfromiter(source)),
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b''.join(source))
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self.assertEqual(cborutil.decodeall(b'\x5f\x44\xaa\xbb\xcc\xdd'
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b'\x43\xee\xff\x99\xff'),
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[b'\xaa\xbb\xcc\xdd', b'\xee\xff\x99', b''])
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for i, chunk in enumerate(
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cborutil.decodeall(b'\x5f\x44\xaa\xbb\xcc\xdd'
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b'\x43\xee\xff\x99\xff')):
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self.assertIsInstance(chunk, cborutil.bytestringchunk)
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if i == 0:
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self.assertTrue(chunk.isfirst)
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else:
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self.assertFalse(chunk.isfirst)
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if i == 2:
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self.assertTrue(chunk.islast)
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else:
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self.assertFalse(chunk.islast)
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def testfromiterlarge(self):
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source = [b'a' * 16, b'b' * 128, b'c' * 1024, b'd' * 1048576]
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self.assertEqual(
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loadit(cborutil.streamencodebytestringfromiter(source)),
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b''.join(source))
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def testindefinite(self):
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source = b'\x00\x01\x02\x03' + b'\xff' * 16384
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it = cborutil.streamencodeindefinitebytestring(source, chunksize=2)
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self.assertEqual(next(it), b'\x5f')
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self.assertEqual(next(it), b'\x42')
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self.assertEqual(next(it), b'\x00\x01')
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self.assertEqual(next(it), b'\x42')
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self.assertEqual(next(it), b'\x02\x03')
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self.assertEqual(next(it), b'\x42')
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self.assertEqual(next(it), b'\xff\xff')
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dest = b''.join(cborutil.streamencodeindefinitebytestring(
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source, chunksize=42))
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self.assertEqual(cbor.loads(dest), source)
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self.assertEqual(b''.join(cborutil.decodeall(dest)), source)
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for chunk in cborutil.decodeall(dest):
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self.assertIsInstance(chunk, cborutil.bytestringchunk)
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self.assertIn(len(chunk), (0, 8, 42))
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encoded = b'\x5f\xff'
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b = cborutil.decodeall(encoded)
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self.assertEqual(b, [b''])
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self.assertTrue(b[0].isfirst)
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self.assertTrue(b[0].islast)
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def testdecodevariouslengths(self):
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for i in (0, 1, 22, 23, 24, 25, 254, 255, 256, 65534, 65535, 65536):
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source = b'x' * i
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encoded = b''.join(cborutil.streamencode(source))
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if len(source) < 24:
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hlen = 1
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elif len(source) < 256:
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hlen = 2
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elif len(source) < 65536:
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hlen = 3
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elif len(source) < 1048576:
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hlen = 5
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self.assertEqual(cborutil.decodeitem(encoded),
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(True, source, hlen + len(source),
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cborutil.SPECIAL_NONE))
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def testpartialdecode(self):
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encoded = b''.join(cborutil.streamencode(b'foobar'))
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self.assertEqual(cborutil.decodeitem(encoded[0:1]),
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(False, None, -6, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[0:2]),
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(False, None, -5, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[0:3]),
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(False, None, -4, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[0:4]),
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(False, None, -3, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[0:5]),
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(False, None, -2, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[0:6]),
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(False, None, -1, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[0:7]),
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(True, b'foobar', 7, cborutil.SPECIAL_NONE))
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def testpartialdecodevariouslengths(self):
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lens = [
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2,
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3,
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10,
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23,
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24,
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25,
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31,
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100,
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254,
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255,
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256,
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257,
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16384,
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65534,
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65535,
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65536,
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65537,
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131071,
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131072,
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131073,
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1048575,
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1048576,
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1048577,
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]
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for size in lens:
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if size < 24:
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hlen = 1
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elif size < 2**8:
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hlen = 2
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elif size < 2**16:
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hlen = 3
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elif size < 2**32:
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hlen = 5
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else:
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assert False
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source = b'x' * size
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encoded = b''.join(cborutil.streamencode(source))
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res = cborutil.decodeitem(encoded[0:1])
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if hlen > 1:
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self.assertEqual(res, (False, None, -(hlen - 1),
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cborutil.SPECIAL_NONE))
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else:
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self.assertEqual(res, (False, None, -(size + hlen - 1),
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cborutil.SPECIAL_NONE))
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# Decoding partial header reports remaining header size.
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for i in range(hlen - 1):
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self.assertEqual(cborutil.decodeitem(encoded[0:i + 1]),
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(False, None, -(hlen - i - 1),
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cborutil.SPECIAL_NONE))
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# Decoding complete header reports item size.
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self.assertEqual(cborutil.decodeitem(encoded[0:hlen]),
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(False, None, -size, cborutil.SPECIAL_NONE))
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# Decoding single byte after header reports item size - 1
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self.assertEqual(cborutil.decodeitem(encoded[0:hlen + 1]),
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(False, None, -(size - 1), cborutil.SPECIAL_NONE))
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# Decoding all but the last byte reports -1 needed.
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self.assertEqual(cborutil.decodeitem(encoded[0:hlen + size - 1]),
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(False, None, -1, cborutil.SPECIAL_NONE))
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# Decoding last byte retrieves value.
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self.assertEqual(cborutil.decodeitem(encoded[0:hlen + size]),
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(True, source, hlen + size, cborutil.SPECIAL_NONE))
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def testindefinitepartialdecode(self):
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encoded = b''.join(cborutil.streamencodebytestringfromiter(
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[b'foobar', b'biz']))
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# First item should be begin of bytestring special.
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self.assertEqual(cborutil.decodeitem(encoded[0:1]),
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(True, None, 1,
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cborutil.SPECIAL_START_INDEFINITE_BYTESTRING))
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# Second item should be the first chunk. But only available when
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# we give it 7 bytes (1 byte header + 6 byte chunk).
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self.assertEqual(cborutil.decodeitem(encoded[1:2]),
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(False, None, -6, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[1:3]),
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(False, None, -5, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[1:4]),
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(False, None, -4, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[1:5]),
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(False, None, -3, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[1:6]),
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(False, None, -2, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[1:7]),
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(False, None, -1, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[1:8]),
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(True, b'foobar', 7, cborutil.SPECIAL_NONE))
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# Third item should be second chunk. But only available when
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# we give it 4 bytes (1 byte header + 3 byte chunk).
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self.assertEqual(cborutil.decodeitem(encoded[8:9]),
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(False, None, -3, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[8:10]),
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(False, None, -2, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[8:11]),
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(False, None, -1, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[8:12]),
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(True, b'biz', 4, cborutil.SPECIAL_NONE))
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# Fourth item should be end of indefinite stream marker.
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self.assertEqual(cborutil.decodeitem(encoded[12:13]),
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(True, None, 1, cborutil.SPECIAL_INDEFINITE_BREAK))
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# Now test the behavior when going through the decoder.
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:1]),
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(False, 1, 0))
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:2]),
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(False, 1, 6))
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:3]),
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(False, 1, 5))
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:4]),
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(False, 1, 4))
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:5]),
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(False, 1, 3))
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:6]),
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(False, 1, 2))
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:7]),
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(False, 1, 1))
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:8]),
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(True, 8, 0))
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:9]),
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(True, 8, 3))
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:10]),
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(True, 8, 2))
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:11]),
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(True, 8, 1))
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:12]),
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(True, 12, 0))
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self.assertEqual(cborutil.sansiodecoder().decode(encoded[0:13]),
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(True, 13, 0))
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decoder = cborutil.sansiodecoder()
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decoder.decode(encoded[0:8])
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values = decoder.getavailable()
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self.assertEqual(values, [b'foobar'])
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self.assertTrue(values[0].isfirst)
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self.assertFalse(values[0].islast)
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self.assertEqual(decoder.decode(encoded[8:12]),
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(True, 4, 0))
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values = decoder.getavailable()
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self.assertEqual(values, [b'biz'])
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self.assertFalse(values[0].isfirst)
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self.assertFalse(values[0].islast)
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self.assertEqual(decoder.decode(encoded[12:]),
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(True, 1, 0))
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values = decoder.getavailable()
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self.assertEqual(values, [b''])
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self.assertFalse(values[0].isfirst)
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self.assertTrue(values[0].islast)
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class StringTests(TestCase):
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def testdecodeforbidden(self):
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encoded = b'\x63foo'
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with self.assertRaisesRegex(cborutil.CBORDecodeError,
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'string major type not supported'):
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cborutil.decodeall(encoded)
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class IntTests(TestCase):
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def testsmall(self):
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self.assertEqual(list(cborutil.streamencode(0)), [b'\x00'])
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self.assertEqual(cborutil.decodeall(b'\x00'), [0])
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self.assertEqual(list(cborutil.streamencode(1)), [b'\x01'])
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self.assertEqual(cborutil.decodeall(b'\x01'), [1])
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self.assertEqual(list(cborutil.streamencode(2)), [b'\x02'])
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self.assertEqual(cborutil.decodeall(b'\x02'), [2])
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self.assertEqual(list(cborutil.streamencode(3)), [b'\x03'])
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self.assertEqual(cborutil.decodeall(b'\x03'), [3])
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self.assertEqual(list(cborutil.streamencode(4)), [b'\x04'])
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self.assertEqual(cborutil.decodeall(b'\x04'), [4])
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# Multiple value decode works.
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self.assertEqual(cborutil.decodeall(b'\x00\x01\x02\x03\x04'),
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[0, 1, 2, 3, 4])
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def testnegativesmall(self):
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self.assertEqual(list(cborutil.streamencode(-1)), [b'\x20'])
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self.assertEqual(cborutil.decodeall(b'\x20'), [-1])
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self.assertEqual(list(cborutil.streamencode(-2)), [b'\x21'])
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self.assertEqual(cborutil.decodeall(b'\x21'), [-2])
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self.assertEqual(list(cborutil.streamencode(-3)), [b'\x22'])
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self.assertEqual(cborutil.decodeall(b'\x22'), [-3])
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self.assertEqual(list(cborutil.streamencode(-4)), [b'\x23'])
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self.assertEqual(cborutil.decodeall(b'\x23'), [-4])
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self.assertEqual(list(cborutil.streamencode(-5)), [b'\x24'])
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self.assertEqual(cborutil.decodeall(b'\x24'), [-5])
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# Multiple value decode works.
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self.assertEqual(cborutil.decodeall(b'\x20\x21\x22\x23\x24'),
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[-1, -2, -3, -4, -5])
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def testrange(self):
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for i in range(-70000, 70000, 10):
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encoded = b''.join(cborutil.streamencode(i))
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self.assertEqual(encoded, cbor.dumps(i))
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self.assertEqual(cborutil.decodeall(encoded), [i])
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def testdecodepartialubyte(self):
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encoded = b''.join(cborutil.streamencode(250))
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self.assertEqual(cborutil.decodeitem(encoded[0:1]),
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(False, None, -1, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[0:2]),
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(True, 250, 2, cborutil.SPECIAL_NONE))
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def testdecodepartialbyte(self):
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encoded = b''.join(cborutil.streamencode(-42))
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self.assertEqual(cborutil.decodeitem(encoded[0:1]),
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(False, None, -1, cborutil.SPECIAL_NONE))
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self.assertEqual(cborutil.decodeitem(encoded[0:2]),
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(True, -42, 2, cborutil.SPECIAL_NONE))
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def testdecodepartialushort(self):
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encoded = b''.join(cborutil.streamencode(2**15))
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|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:5]),
|
|
|
(True, 2**15, 3, cborutil.SPECIAL_NONE))
|
|
|
|
|
|
def testdecodepartialshort(self):
|
|
|
encoded = b''.join(cborutil.streamencode(-1024))
|
|
|
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(True, -1024, 3, cborutil.SPECIAL_NONE))
|
|
|
|
|
|
def testdecodepartialulong(self):
|
|
|
encoded = b''.join(cborutil.streamencode(2**28))
|
|
|
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -4, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -3, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:4]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:5]),
|
|
|
(True, 2**28, 5, cborutil.SPECIAL_NONE))
|
|
|
|
|
|
def testdecodepartiallong(self):
|
|
|
encoded = b''.join(cborutil.streamencode(-1048580))
|
|
|
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -4, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -3, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:4]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:5]),
|
|
|
(True, -1048580, 5, cborutil.SPECIAL_NONE))
|
|
|
|
|
|
def testdecodepartialulonglong(self):
|
|
|
encoded = b''.join(cborutil.streamencode(2**32))
|
|
|
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -8, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -7, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(False, None, -6, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:4]),
|
|
|
(False, None, -5, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:5]),
|
|
|
(False, None, -4, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:6]),
|
|
|
(False, None, -3, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:7]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:8]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:9]),
|
|
|
(True, 2**32, 9, cborutil.SPECIAL_NONE))
|
|
|
|
|
|
with self.assertRaisesRegex(
|
|
|
cborutil.CBORDecodeError, 'input data not fully consumed'):
|
|
|
cborutil.decodeall(encoded[0:1])
|
|
|
|
|
|
with self.assertRaisesRegex(
|
|
|
cborutil.CBORDecodeError, 'input data not fully consumed'):
|
|
|
cborutil.decodeall(encoded[0:2])
|
|
|
|
|
|
def testdecodepartiallonglong(self):
|
|
|
encoded = b''.join(cborutil.streamencode(-7000000000))
|
|
|
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -8, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -7, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(False, None, -6, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:4]),
|
|
|
(False, None, -5, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:5]),
|
|
|
(False, None, -4, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:6]),
|
|
|
(False, None, -3, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:7]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:8]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:9]),
|
|
|
(True, -7000000000, 9, cborutil.SPECIAL_NONE))
|
|
|
|
|
|
class ArrayTests(TestCase):
|
|
|
def testempty(self):
|
|
|
self.assertEqual(list(cborutil.streamencode([])), [b'\x80'])
|
|
|
self.assertEqual(loadit(cborutil.streamencode([])), [])
|
|
|
|
|
|
self.assertEqual(cborutil.decodeall(b'\x80'), [[]])
|
|
|
|
|
|
def testbasic(self):
|
|
|
source = [b'foo', b'bar', 1, -10]
|
|
|
|
|
|
chunks = [
|
|
|
b'\x84', b'\x43', b'foo', b'\x43', b'bar', b'\x01', b'\x29']
|
|
|
|
|
|
self.assertEqual(list(cborutil.streamencode(source)), chunks)
|
|
|
|
|
|
self.assertEqual(cborutil.decodeall(b''.join(chunks)), [source])
|
|
|
|
|
|
def testemptyfromiter(self):
|
|
|
self.assertEqual(b''.join(cborutil.streamencodearrayfromiter([])),
|
|
|
b'\x9f\xff')
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'indefinite length uint not allowed'):
|
|
|
cborutil.decodeall(b'\x9f\xff')
|
|
|
|
|
|
def testfromiter1(self):
|
|
|
source = [b'foo']
|
|
|
|
|
|
self.assertEqual(list(cborutil.streamencodearrayfromiter(source)), [
|
|
|
b'\x9f',
|
|
|
b'\x43', b'foo',
|
|
|
b'\xff',
|
|
|
])
|
|
|
|
|
|
dest = b''.join(cborutil.streamencodearrayfromiter(source))
|
|
|
self.assertEqual(cbor.loads(dest), source)
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'indefinite length uint not allowed'):
|
|
|
cborutil.decodeall(dest)
|
|
|
|
|
|
def testtuple(self):
|
|
|
source = (b'foo', None, 42)
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
|
|
|
self.assertEqual(cbor.loads(encoded), list(source))
|
|
|
|
|
|
self.assertEqual(cborutil.decodeall(encoded), [list(source)])
|
|
|
|
|
|
def testpartialdecode(self):
|
|
|
source = list(range(4))
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(True, 4, 1, cborutil.SPECIAL_START_ARRAY))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(True, 4, 1, cborutil.SPECIAL_START_ARRAY))
|
|
|
|
|
|
source = list(range(23))
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(True, 23, 1, cborutil.SPECIAL_START_ARRAY))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(True, 23, 1, cborutil.SPECIAL_START_ARRAY))
|
|
|
|
|
|
source = list(range(24))
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(True, 24, 2, cborutil.SPECIAL_START_ARRAY))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(True, 24, 2, cborutil.SPECIAL_START_ARRAY))
|
|
|
|
|
|
source = list(range(256))
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(True, 256, 3, cborutil.SPECIAL_START_ARRAY))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:4]),
|
|
|
(True, 256, 3, cborutil.SPECIAL_START_ARRAY))
|
|
|
|
|
|
def testnested(self):
|
|
|
source = [[], [], [[], [], []]]
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeall(encoded), [source])
|
|
|
|
|
|
source = [True, None, [True, 0, 2], [None], [], [[[]], -87]]
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeall(encoded), [source])
|
|
|
|
|
|
# A set within an array.
|
|
|
source = [None, {b'foo', b'bar', None, False}, set()]
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeall(encoded), [source])
|
|
|
|
|
|
# A map within an array.
|
|
|
source = [None, {}, {b'foo': b'bar', True: False}, [{}]]
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeall(encoded), [source])
|
|
|
|
|
|
def testindefinitebytestringvalues(self):
|
|
|
# Single value array whose value is an empty indefinite bytestring.
|
|
|
encoded = b'\x81\x5f\x40\xff'
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'indefinite length bytestrings not '
|
|
|
'allowed as array values'):
|
|
|
cborutil.decodeall(encoded)
|
|
|
|
|
|
class SetTests(TestCase):
|
|
|
def testempty(self):
|
|
|
self.assertEqual(list(cborutil.streamencode(set())), [
|
|
|
b'\xd9\x01\x02',
|
|
|
b'\x80',
|
|
|
])
|
|
|
|
|
|
self.assertEqual(cborutil.decodeall(b'\xd9\x01\x02\x80'), [set()])
|
|
|
|
|
|
def testset(self):
|
|
|
source = {b'foo', None, 42}
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
|
|
|
self.assertEqual(cbor.loads(encoded), source)
|
|
|
|
|
|
self.assertEqual(cborutil.decodeall(encoded), [source])
|
|
|
|
|
|
def testinvalidtag(self):
|
|
|
# Must use array to encode sets.
|
|
|
encoded = b'\xd9\x01\x02\xa0'
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'expected array after finite set '
|
|
|
'semantic tag'):
|
|
|
cborutil.decodeall(encoded)
|
|
|
|
|
|
def testpartialdecode(self):
|
|
|
# Semantic tag item will be 3 bytes. Set header will be variable
|
|
|
# depending on length.
|
|
|
encoded = b''.join(cborutil.streamencode({i for i in range(23)}))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:4]),
|
|
|
(True, 23, 4, cborutil.SPECIAL_START_SET))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:5]),
|
|
|
(True, 23, 4, cborutil.SPECIAL_START_SET))
|
|
|
|
|
|
encoded = b''.join(cborutil.streamencode({i for i in range(24)}))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:4]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:5]),
|
|
|
(True, 24, 5, cborutil.SPECIAL_START_SET))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:6]),
|
|
|
(True, 24, 5, cborutil.SPECIAL_START_SET))
|
|
|
|
|
|
encoded = b''.join(cborutil.streamencode({i for i in range(256)}))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:4]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:5]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:6]),
|
|
|
(True, 256, 6, cborutil.SPECIAL_START_SET))
|
|
|
|
|
|
def testinvalidvalue(self):
|
|
|
encoded = b''.join([
|
|
|
b'\xd9\x01\x02', # semantic tag
|
|
|
b'\x81', # array of size 1
|
|
|
b'\x5f\x43foo\xff', # indefinite length bytestring "foo"
|
|
|
])
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'indefinite length bytestrings not '
|
|
|
'allowed as set values'):
|
|
|
cborutil.decodeall(encoded)
|
|
|
|
|
|
encoded = b''.join([
|
|
|
b'\xd9\x01\x02',
|
|
|
b'\x81',
|
|
|
b'\x80', # empty array
|
|
|
])
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'collections not allowed as set values'):
|
|
|
cborutil.decodeall(encoded)
|
|
|
|
|
|
encoded = b''.join([
|
|
|
b'\xd9\x01\x02',
|
|
|
b'\x81',
|
|
|
b'\xa0', # empty map
|
|
|
])
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'collections not allowed as set values'):
|
|
|
cborutil.decodeall(encoded)
|
|
|
|
|
|
encoded = b''.join([
|
|
|
b'\xd9\x01\x02',
|
|
|
b'\x81',
|
|
|
b'\xd9\x01\x02\x81\x01', # set with integer 1
|
|
|
])
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'collections not allowed as set values'):
|
|
|
cborutil.decodeall(encoded)
|
|
|
|
|
|
class BoolTests(TestCase):
|
|
|
def testbasic(self):
|
|
|
self.assertEqual(list(cborutil.streamencode(True)), [b'\xf5'])
|
|
|
self.assertEqual(list(cborutil.streamencode(False)), [b'\xf4'])
|
|
|
|
|
|
self.assertIs(loadit(cborutil.streamencode(True)), True)
|
|
|
self.assertIs(loadit(cborutil.streamencode(False)), False)
|
|
|
|
|
|
self.assertEqual(cborutil.decodeall(b'\xf4'), [False])
|
|
|
self.assertEqual(cborutil.decodeall(b'\xf5'), [True])
|
|
|
|
|
|
self.assertEqual(cborutil.decodeall(b'\xf4\xf5\xf5\xf4'),
|
|
|
[False, True, True, False])
|
|
|
|
|
|
class NoneTests(TestCase):
|
|
|
def testbasic(self):
|
|
|
self.assertEqual(list(cborutil.streamencode(None)), [b'\xf6'])
|
|
|
|
|
|
self.assertIs(loadit(cborutil.streamencode(None)), None)
|
|
|
|
|
|
self.assertEqual(cborutil.decodeall(b'\xf6'), [None])
|
|
|
self.assertEqual(cborutil.decodeall(b'\xf6\xf6'), [None, None])
|
|
|
|
|
|
class MapTests(TestCase):
|
|
|
def testempty(self):
|
|
|
self.assertEqual(list(cborutil.streamencode({})), [b'\xa0'])
|
|
|
self.assertEqual(loadit(cborutil.streamencode({})), {})
|
|
|
|
|
|
self.assertEqual(cborutil.decodeall(b'\xa0'), [{}])
|
|
|
|
|
|
def testemptyindefinite(self):
|
|
|
self.assertEqual(list(cborutil.streamencodemapfromiter([])), [
|
|
|
b'\xbf', b'\xff'])
|
|
|
|
|
|
self.assertEqual(loadit(cborutil.streamencodemapfromiter([])), {})
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'indefinite length uint not allowed'):
|
|
|
cborutil.decodeall(b'\xbf\xff')
|
|
|
|
|
|
def testone(self):
|
|
|
source = {b'foo': b'bar'}
|
|
|
self.assertEqual(list(cborutil.streamencode(source)), [
|
|
|
b'\xa1', b'\x43', b'foo', b'\x43', b'bar'])
|
|
|
|
|
|
self.assertEqual(loadit(cborutil.streamencode(source)), source)
|
|
|
|
|
|
self.assertEqual(cborutil.decodeall(b'\xa1\x43foo\x43bar'), [source])
|
|
|
|
|
|
def testmultiple(self):
|
|
|
source = {
|
|
|
b'foo': b'bar',
|
|
|
b'baz': b'value1',
|
|
|
}
|
|
|
|
|
|
self.assertEqual(loadit(cborutil.streamencode(source)), source)
|
|
|
|
|
|
self.assertEqual(
|
|
|
loadit(cborutil.streamencodemapfromiter(source.items())),
|
|
|
source)
|
|
|
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeall(encoded), [source])
|
|
|
|
|
|
def testcomplex(self):
|
|
|
source = {
|
|
|
b'key': 1,
|
|
|
2: -10,
|
|
|
}
|
|
|
|
|
|
self.assertEqual(loadit(cborutil.streamencode(source)),
|
|
|
source)
|
|
|
|
|
|
self.assertEqual(
|
|
|
loadit(cborutil.streamencodemapfromiter(source.items())),
|
|
|
source)
|
|
|
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeall(encoded), [source])
|
|
|
|
|
|
def testnested(self):
|
|
|
source = {b'key1': None, b'key2': {b'sub1': b'sub2'}, b'sub2': {}}
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
|
|
|
self.assertEqual(cborutil.decodeall(encoded), [source])
|
|
|
|
|
|
source = {
|
|
|
b'key1': [],
|
|
|
b'key2': [None, False],
|
|
|
b'key3': {b'foo', b'bar'},
|
|
|
b'key4': {},
|
|
|
}
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeall(encoded), [source])
|
|
|
|
|
|
def testillegalkey(self):
|
|
|
encoded = b''.join([
|
|
|
# map header + len 1
|
|
|
b'\xa1',
|
|
|
# indefinite length bytestring "foo" in key position
|
|
|
b'\x5f\x03foo\xff'
|
|
|
])
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'indefinite length bytestrings not '
|
|
|
'allowed as map keys'):
|
|
|
cborutil.decodeall(encoded)
|
|
|
|
|
|
encoded = b''.join([
|
|
|
b'\xa1',
|
|
|
b'\x80', # empty array
|
|
|
b'\x43foo',
|
|
|
])
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'collections not supported as map keys'):
|
|
|
cborutil.decodeall(encoded)
|
|
|
|
|
|
def testillegalvalue(self):
|
|
|
encoded = b''.join([
|
|
|
b'\xa1', # map headers
|
|
|
b'\x43foo', # key
|
|
|
b'\x5f\x03bar\xff', # indefinite length value
|
|
|
])
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'indefinite length bytestrings not '
|
|
|
'allowed as map values'):
|
|
|
cborutil.decodeall(encoded)
|
|
|
|
|
|
def testpartialdecode(self):
|
|
|
source = {b'key1': b'value1'}
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(True, 1, 1, cborutil.SPECIAL_START_MAP))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(True, 1, 1, cborutil.SPECIAL_START_MAP))
|
|
|
|
|
|
source = {b'key%d' % i: None for i in range(23)}
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(True, 23, 1, cborutil.SPECIAL_START_MAP))
|
|
|
|
|
|
source = {b'key%d' % i: None for i in range(24)}
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(True, 24, 2, cborutil.SPECIAL_START_MAP))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(True, 24, 2, cborutil.SPECIAL_START_MAP))
|
|
|
|
|
|
source = {b'key%d' % i: None for i in range(256)}
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(True, 256, 3, cborutil.SPECIAL_START_MAP))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:4]),
|
|
|
(True, 256, 3, cborutil.SPECIAL_START_MAP))
|
|
|
|
|
|
source = {b'key%d' % i: None for i in range(65536)}
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -4, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -3, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:3]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:4]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:5]),
|
|
|
(True, 65536, 5, cborutil.SPECIAL_START_MAP))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:6]),
|
|
|
(True, 65536, 5, cborutil.SPECIAL_START_MAP))
|
|
|
|
|
|
class SemanticTagTests(TestCase):
|
|
|
def testdecodeforbidden(self):
|
|
|
for i in range(500):
|
|
|
if i == cborutil.SEMANTIC_TAG_FINITE_SET:
|
|
|
continue
|
|
|
|
|
|
tag = cborutil.encodelength(cborutil.MAJOR_TYPE_SEMANTIC,
|
|
|
i)
|
|
|
|
|
|
encoded = tag + cborutil.encodelength(cborutil.MAJOR_TYPE_UINT, 42)
|
|
|
|
|
|
# Partial decode is incomplete.
|
|
|
if i < 24:
|
|
|
pass
|
|
|
elif i < 256:
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
elif i < 65536:
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:1]),
|
|
|
(False, None, -2, cborutil.SPECIAL_NONE))
|
|
|
self.assertEqual(cborutil.decodeitem(encoded[0:2]),
|
|
|
(False, None, -1, cborutil.SPECIAL_NONE))
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'semantic tag \d+ not allowed'):
|
|
|
cborutil.decodeitem(encoded)
|
|
|
|
|
|
class SpecialTypesTests(TestCase):
|
|
|
def testforbiddentypes(self):
|
|
|
for i in range(256):
|
|
|
if i == cborutil.SUBTYPE_FALSE:
|
|
|
continue
|
|
|
elif i == cborutil.SUBTYPE_TRUE:
|
|
|
continue
|
|
|
elif i == cborutil.SUBTYPE_NULL:
|
|
|
continue
|
|
|
|
|
|
encoded = cborutil.encodelength(cborutil.MAJOR_TYPE_SPECIAL, i)
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'special type \d+ not allowed'):
|
|
|
cborutil.decodeitem(encoded)
|
|
|
|
|
|
class SansIODecoderTests(TestCase):
|
|
|
def testemptyinput(self):
|
|
|
decoder = cborutil.sansiodecoder()
|
|
|
self.assertEqual(decoder.decode(b''), (False, 0, 0))
|
|
|
|
|
|
class BufferingDecoderTests(TestCase):
|
|
|
def testsimple(self):
|
|
|
source = [
|
|
|
b'foobar',
|
|
|
b'x' * 128,
|
|
|
{b'foo': b'bar'},
|
|
|
True,
|
|
|
False,
|
|
|
None,
|
|
|
[None for i in range(128)],
|
|
|
]
|
|
|
|
|
|
encoded = b''.join(cborutil.streamencode(source))
|
|
|
|
|
|
for step in range(1, 32):
|
|
|
decoder = cborutil.bufferingdecoder()
|
|
|
start = 0
|
|
|
|
|
|
while start < len(encoded):
|
|
|
decoder.decode(encoded[start:start + step])
|
|
|
start += step
|
|
|
|
|
|
self.assertEqual(decoder.getavailable(), [source])
|
|
|
|
|
|
class DecodeallTests(TestCase):
|
|
|
def testemptyinput(self):
|
|
|
self.assertEqual(cborutil.decodeall(b''), [])
|
|
|
|
|
|
def testpartialinput(self):
|
|
|
encoded = b''.join([
|
|
|
b'\x82', # array of 2 elements
|
|
|
b'\x01', # integer 1
|
|
|
])
|
|
|
|
|
|
with self.assertRaisesRegex(cborutil.CBORDecodeError,
|
|
|
'input data not complete'):
|
|
|
cborutil.decodeall(encoded)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
import silenttestrunner
|
|
|
silenttestrunner.main(__name__)
|
|
|
|
