view tests/bruterebase.py @ 33710:2e43c5cd57a7

tests: fix up test-run-tests failures on Python 3.6 Some of the recent work on run-tests.py didn't work on Python 3. This fixes the regressions. Differential Revision: https://phab.mercurial-scm.org/D270
author Augie Fackler <augie@google.com>
date Tue, 08 Aug 2017 15:07:05 -0400
parents 71b77b61ed60
children bab82c43c065
line wrap: on
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# bruterebase.py - brute force rebase testing
#
# Copyright 2017 Facebook, Inc.
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

from __future__ import absolute_import

from mercurial import (
    error,
    registrar,
    revsetlang,
)

from hgext import rebase

cmdtable = {}
command = registrar.command(cmdtable)

@command('debugbruterebase')
def debugbruterebase(ui, repo, source, dest):
    """for every non-empty subset of source, run rebase -r subset -d dest

    Print one line summary for each subset. Assume obsstore is enabled.
    """
    srevs = list(repo.revs(source))

    with repo.wlock(), repo.lock():
        repolen = len(repo)
        cl = repo.changelog

        def getdesc(rev):
            result = cl.changelogrevision(rev).description
            if rev >= repolen:
                result += "'"
            return result

        for i in xrange(1, 2 ** len(srevs)):
            subset = [rev for j, rev in enumerate(srevs) if i & (1 << j) != 0]
            spec = revsetlang.formatspec('%ld', subset)
            tr = repo.transaction('rebase')
            tr.report = lambda x: 0 # hide "transaction abort"

            ui.pushbuffer()
            try:
                rebase.rebase(ui, repo, dest=dest, rev=[spec])
            except error.Abort as ex:
                summary = 'ABORT: %s' % ex
            except Exception as ex:
                summary = 'CRASH: %s' % ex
            else:
                # short summary about new nodes
                cl = repo.changelog
                descs = []
                for rev in xrange(repolen, len(repo)):
                    desc = '%s:' % getdesc(rev)
                    for prev in cl.parentrevs(rev):
                        if prev > -1:
                            desc += getdesc(prev)
                    descs.append(desc)
                descs.sort()
                summary = ' '.join(descs)
            ui.popbuffer()
            repo.vfs.tryunlink('rebasestate')

            subsetdesc = ''.join(getdesc(rev) for rev in subset)
            ui.write(('%s: %s\n') % (subsetdesc.rjust(len(srevs)), summary))
            tr.abort()