tests/lockdelay.py
author Jun Wu <quark@fb.com>
Thu, 23 Mar 2017 21:15:39 -0700
changeset 31599 e4aefdb58ebe
parent 30068 a76d5ba7ac43
child 43076 2372284d9457
permissions -rw-r--r--
automv: use lowercase for docstring title The first line of docstring is used in `hg help -e`. Use lowercase to be consistent with most extensions.

# 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):
            delay = float(os.environ.get('HGPRELOCKDELAY', '0.0'))
            if delay:
                time.sleep(delay)
            res = super(delayedlockrepo, self).lock()
            delay = float(os.environ.get('HGPOSTLOCKDELAY', '0.0'))
            if delay:
                time.sleep(delay)
            return res
    repo.__class__ = delayedlockrepo