tests/lockdelay.py
author Martin von Zweigbergk <martinvonz@google.com>
Wed, 22 Mar 2017 16:36:53 -0700
changeset 31596 2c02bb7fd7fc
parent 30068 a76d5ba7ac43
child 43076 2372284d9457
permissions -rw-r--r--
help: format ``commands`` heading correctly The number of dashes under it needs to match exactly for it to be rendered as a heading. Without this change, the dashes end up on the same line as "commands", and "hg help config.commands" does not work.

# 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