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annotate tests/testlib/ext-sidedata.py @ 43040:ba4072c0a911

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sidedata: test we can successfully write sidedata For now we just write them and rejoice on the lack of crashes. Differential Revision: https://phab.mercurial-scm.org/D6896
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 09 Sep 2019 21:38:29 +0200
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children 03e769278ef3
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1 # ext-sidedata.py - small extension to test the sidedata logic
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2 #
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3 # Copyright 2019 Pierre-Yves David <pierre-yves.david@octobus.net)
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 from __future__ import absolute_import
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9
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10 import hashlib
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11 import struct
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12
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13 from mercurial import (
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14 extensions,
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15 revlog,
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16 )
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17
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18 from mercurial.revlogutils import (
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19 sidedata,
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20 )
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21
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22 def wrapaddrevision(orig, self, text, transaction, link, p1, p2, *args,
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23 **kwargs):
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24 if kwargs.get('sidedata') is None:
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25 kwargs['sidedata'] = {}
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26 sd = kwargs['sidedata']
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27 ## let's store some arbitrary data just for testing
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28 # text length
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29 sd[sidedata.SD_TEST1] = struct.pack('>I', len(text))
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30 # and sha2 hashes
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31 sha256 = hashlib.sha256(text).digest()
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32 sd[sidedata.SD_TEST2] = struct.pack('>32s', sha256)
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33 return orig(self, text, transaction, link, p1, p2, *args, **kwargs)
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34
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35 def extsetup(ui):
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36 extensions.wrapfunction(revlog.revlog, 'addrevision', wrapaddrevision)