tests/lockdelay.py
author Martin von Zweigbergk <martinvonz@google.com>
Thu, 29 Oct 2020 11:37:22 -0700
branchstable
changeset 45762 0599c83cdf5c
parent 45444 f6c67bb4ca03
child 48875 6000f5b25c9b
permissions -rw-r--r--
relnotes: copy "next" to "5.6" and clear "next" The same procedure as every year^Wcycle. Differential Revision: https://phab.mercurial-scm.org/D9263

# Dummy extension that adds a delay after acquiring a lock.
#
# This extension can be used to test race conditions between lock acquisition.

from __future__ import absolute_import

import os
import time


def reposetup(ui, repo):
    class delayedlockrepo(repo.__class__):
        def lock(self, wait=True):
            delay = float(os.environ.get('HGPRELOCKDELAY', '0.0'))
            if delay:
                time.sleep(delay)
            res = super(delayedlockrepo, self).lock(wait=wait)
            delay = float(os.environ.get('HGPOSTLOCKDELAY', '0.0'))
            if delay:
                time.sleep(delay)
            return res

    repo.__class__ = delayedlockrepo