tests/lockdelay.py
author Gregory Szorc <gregory.szorc@gmail.com>
Mon, 05 Mar 2018 14:09:23 -0500
changeset 37109 a532b2f54f95
parent 30068 a76d5ba7ac43
child 43076 2372284d9457
permissions -rw-r--r--
merge: use constants for merge state record types merge.py is using multiple discrete sets of 1 and 2 letter constants to define types and behavior. To the uninitiated, the code is very difficult to reason about. I didn't even realize there were multiple sets of constants in play initially! We begin our sanity injection with merge state records. The record types (which are serialized to disk) are now defined in RECORD_* constants. Differential Revision: https://phab.mercurial-scm.org/D2698
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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