view tests/lockdelay.py @ 43250:98d996a138de

rust-cross-platform: remove `unimplemented!` to get compile-time errors

We should get a compile-time error that there is missing functionality for the
targeted platform instead of the program breaking at runtime.

Differential Revision: https://phab.mercurial-scm.org/D7107

# 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