tests/lockdelay.py
author Gregory Szorc <gregory.szorc@gmail.com>
Mon, 21 Feb 2022 11:09:30 -0700
changeset 48922 fe056166b40d
parent 48875 6000f5b25c9b
permissions -rw-r--r--
dirstate: remove pycompat.iteritems() Differential Revision: https://phab.mercurial-scm.org/D12327

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


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