Mercurial > hg
annotate tests/fakedirstatewritetime.py @ 31987:8823daaf4665
obsolescence: add test for the "branch replacement" logic during push, case D2
Mercurial checks for the introduction of new heads on push. Evolution comes
into play to detect if existing branches on the server are being replaced by
some of the new one we push.
The current code for this logic is very basic (eg: issue4354) and was poorly
tested. We have a better implementation coming in the evolve extension fixing
these issues and with more serious tests coverage. In the process of upstreaming
this improved logic, we start with adding the test case that are already passing
with the current implementation. Once they are all in, we'll upstream the better
implementation and the extra test cases.
See inline documentation for details about the test case added in this
changeset.
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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date | Thu, 13 Apr 2017 16:27:42 +0200 |
parents | b38adef652fe |
children | df448de7cf3b |
rev | line source |
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1 # extension to emulate invoking 'dirstate.write()' at the time |
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2 # specified by '[fakedirstatewritetime] fakenow', only when |
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3 # 'dirstate.write()' is invoked via functions below: |
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4 # |
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5 # - 'workingctx._checklookup()' (= 'repo.status()') |
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6 # - 'committablectx.markcommitted()' |
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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 from mercurial import ( |
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11 context, |
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12 dirstate, |
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13 extensions, |
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14 parsers, |
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15 util, |
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16 ) |
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17 |
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18 def pack_dirstate(fakenow, orig, dmap, copymap, pl, now): |
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19 # execute what original parsers.pack_dirstate should do actually |
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20 # for consistency |
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21 actualnow = int(now) |
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22 for f, e in dmap.iteritems(): |
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23 if e[0] == 'n' and e[3] == actualnow: |
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24 e = parsers.dirstatetuple(e[0], e[1], e[2], -1) |
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25 dmap[f] = e |
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26 |
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27 return orig(dmap, copymap, pl, fakenow) |
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28 |
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29 def fakewrite(ui, func): |
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30 # fake "now" of 'pack_dirstate' only if it is invoked while 'func' |
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31 |
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32 fakenow = ui.config('fakedirstatewritetime', 'fakenow') |
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33 if not fakenow: |
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34 # Execute original one, if fakenow isn't configured. This is |
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35 # useful to prevent subrepos from executing replaced one, |
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36 # because replacing 'parsers.pack_dirstate' is also effective |
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37 # in subrepos. |
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38 return func() |
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39 |
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40 # parsing 'fakenow' in YYYYmmddHHMM format makes comparison between |
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41 # 'fakenow' value and 'touch -t YYYYmmddHHMM' argument easy |
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42 fakenow = util.parsedate(fakenow, ['%Y%m%d%H%M'])[0] |
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43 |
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44 orig_pack_dirstate = parsers.pack_dirstate |
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45 orig_dirstate_getfsnow = dirstate._getfsnow |
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46 wrapper = lambda *args: pack_dirstate(fakenow, orig_pack_dirstate, *args) |
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47 |
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48 parsers.pack_dirstate = wrapper |
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49 dirstate._getfsnow = lambda *args: fakenow |
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50 try: |
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51 return func() |
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52 finally: |
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53 parsers.pack_dirstate = orig_pack_dirstate |
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54 dirstate._getfsnow = orig_dirstate_getfsnow |
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55 |
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56 def _checklookup(orig, workingctx, files): |
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57 ui = workingctx.repo().ui |
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58 return fakewrite(ui, lambda : orig(workingctx, files)) |
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59 |
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60 def markcommitted(orig, committablectx, node): |
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61 ui = committablectx.repo().ui |
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62 return fakewrite(ui, lambda : orig(committablectx, node)) |
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63 |
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64 def extsetup(ui): |
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65 extensions.wrapfunction(context.workingctx, '_checklookup', |
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66 _checklookup) |
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67 extensions.wrapfunction(context.committablectx, 'markcommitted', |
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68 markcommitted) |