tests/lockdelay.py
author Pulkit Goyal <7895pulkit@gmail.com>
Tue, 27 Feb 2018 14:42:30 +0530
changeset 36457 0e8b76644e20
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child 43076 2372284d9457
permissions -rw-r--r--
py3: convert os.devnull to bytes using pycompat.bytestr os.devnull returns str on Python 3. Differential Revision: https://phab.mercurial-scm.org/D2477
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# Dummy extension that adds a delay after acquiring a lock.
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#
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# This extension can be used to test race conditions between lock acquisition.
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from __future__ import absolute_import
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import os
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import time
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def reposetup(ui, repo):
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    class delayedlockrepo(repo.__class__):
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        def lock(self):
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            delay = float(os.environ.get('HGPRELOCKDELAY', '0.0'))
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            if delay:
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                time.sleep(delay)
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            res = super(delayedlockrepo, self).lock()
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            delay = float(os.environ.get('HGPOSTLOCKDELAY', '0.0'))
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            if delay:
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                time.sleep(delay)
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            return res
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    repo.__class__ = delayedlockrepo