tests/lockdelay.py
author Martin von Zweigbergk <martinvonz@google.com>
Tue, 25 Sep 2018 08:53:20 -0700
changeset 39844 9e8fcd2e78c1
parent 30068 a76d5ba7ac43
child 43076 2372284d9457
permissions -rw-r--r--
encoding: remove unnecessary lambdas from _encodingfixers They have been unnecessary since 1a3a08b5d4d5 (encoding: remove workaround for locale.getpreferredencoding(), 2017-05-13). Also rename the variable since "fixer" sounds like a function. Differential Revision: https://phab.mercurial-scm.org/D4743

# 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