Mercurial > hg
view tests/test-cbor.py @ 38777:83a505b5cf85
revlog: don't include trailing nullrev in revlog.revs(stop=len(revlog))
This was an odd side effect of the nullid entry that's in the
index. The existing callers (mostly repair.py) seem to have handled it
fine. It doesn't seem intentional, and it's pretty surprising, so
let's remove that surprise.
Differential Revision: https://phab.mercurial-scm.org/D4015
author | Martin von Zweigbergk <martinvonz@google.com> |
---|---|
date | Fri, 20 Jul 2018 11:17:33 -0700 |
parents | 2b3b6187c316 |
children | aeb551a3bb8a |
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from __future__ import absolute_import import io import unittest from mercurial.thirdparty import ( cbor, ) from mercurial.utils import ( cborutil, ) def loadit(it): return cbor.loads(b''.join(it)) class BytestringTests(unittest.TestCase): def testsimple(self): self.assertEqual( list(cborutil.streamencode(b'foobar')), [b'\x46', b'foobar']) self.assertEqual( loadit(cborutil.streamencode(b'foobar')), b'foobar') def testlong(self): source = b'x' * 1048576 self.assertEqual(loadit(cborutil.streamencode(source)), source) def testfromiter(self): # This is the example from RFC 7049 Section 2.2.2. source = [b'\xaa\xbb\xcc\xdd', b'\xee\xff\x99'] self.assertEqual( list(cborutil.streamencodebytestringfromiter(source)), [ b'\x5f', b'\x44', b'\xaa\xbb\xcc\xdd', b'\x43', b'\xee\xff\x99', b'\xff', ]) self.assertEqual( loadit(cborutil.streamencodebytestringfromiter(source)), b''.join(source)) def testfromiterlarge(self): source = [b'a' * 16, b'b' * 128, b'c' * 1024, b'd' * 1048576] self.assertEqual( loadit(cborutil.streamencodebytestringfromiter(source)), b''.join(source)) def testindefinite(self): source = b'\x00\x01\x02\x03' + b'\xff' * 16384 it = cborutil.streamencodeindefinitebytestring(source, chunksize=2) self.assertEqual(next(it), b'\x5f') self.assertEqual(next(it), b'\x42') self.assertEqual(next(it), b'\x00\x01') self.assertEqual(next(it), b'\x42') self.assertEqual(next(it), b'\x02\x03') self.assertEqual(next(it), b'\x42') self.assertEqual(next(it), b'\xff\xff') dest = b''.join(cborutil.streamencodeindefinitebytestring( source, chunksize=42)) self.assertEqual(cbor.loads(dest), source) def testreadtoiter(self): source = io.BytesIO(b'\x5f\x44\xaa\xbb\xcc\xdd\x43\xee\xff\x99\xff') it = cborutil.readindefinitebytestringtoiter(source) self.assertEqual(next(it), b'\xaa\xbb\xcc\xdd') self.assertEqual(next(it), b'\xee\xff\x99') with self.assertRaises(StopIteration): next(it) class IntTests(unittest.TestCase): def testsmall(self): self.assertEqual(list(cborutil.streamencode(0)), [b'\x00']) self.assertEqual(list(cborutil.streamencode(1)), [b'\x01']) self.assertEqual(list(cborutil.streamencode(2)), [b'\x02']) self.assertEqual(list(cborutil.streamencode(3)), [b'\x03']) self.assertEqual(list(cborutil.streamencode(4)), [b'\x04']) def testnegativesmall(self): self.assertEqual(list(cborutil.streamencode(-1)), [b'\x20']) self.assertEqual(list(cborutil.streamencode(-2)), [b'\x21']) self.assertEqual(list(cborutil.streamencode(-3)), [b'\x22']) self.assertEqual(list(cborutil.streamencode(-4)), [b'\x23']) self.assertEqual(list(cborutil.streamencode(-5)), [b'\x24']) def testrange(self): for i in range(-70000, 70000, 10): self.assertEqual( b''.join(cborutil.streamencode(i)), cbor.dumps(i)) class ArrayTests(unittest.TestCase): def testempty(self): self.assertEqual(list(cborutil.streamencode([])), [b'\x80']) self.assertEqual(loadit(cborutil.streamencode([])), []) def testbasic(self): source = [b'foo', b'bar', 1, -10] self.assertEqual(list(cborutil.streamencode(source)), [ b'\x84', b'\x43', b'foo', b'\x43', b'bar', b'\x01', b'\x29']) def testemptyfromiter(self): self.assertEqual(b''.join(cborutil.streamencodearrayfromiter([])), 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) def testtuple(self): source = (b'foo', None, 42) self.assertEqual(cbor.loads(b''.join(cborutil.streamencode(source))), list(source)) class SetTests(unittest.TestCase): def testempty(self): self.assertEqual(list(cborutil.streamencode(set())), [ b'\xd9\x01\x02', b'\x80', ]) def testset(self): source = {b'foo', None, 42} self.assertEqual(cbor.loads(b''.join(cborutil.streamencode(source))), source) class BoolTests(unittest.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) class NoneTests(unittest.TestCase): def testbasic(self): self.assertEqual(list(cborutil.streamencode(None)), [b'\xf6']) self.assertIs(loadit(cborutil.streamencode(None)), None) class MapTests(unittest.TestCase): def testempty(self): self.assertEqual(list(cborutil.streamencode({})), [b'\xa0']) self.assertEqual(loadit(cborutil.streamencode({})), {}) def testemptyindefinite(self): self.assertEqual(list(cborutil.streamencodemapfromiter([])), [ b'\xbf', b'\xff']) self.assertEqual(loadit(cborutil.streamencodemapfromiter([])), {}) 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) 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) def testcomplex(self): source = { b'key': 1, 2: -10, } self.assertEqual(loadit(cborutil.streamencode(source)), source) self.assertEqual( loadit(cborutil.streamencodemapfromiter(source.items())), source) if __name__ == '__main__': import silenttestrunner silenttestrunner.main(__name__)