tests/heredoctest.py
author Boris Feld <boris.feld@octobus.net>
Wed, 28 Aug 2019 16:01:16 +0200
changeset 42842 2c74337e6483
parent 40318 55fd0fefbec4
child 43076 2372284d9457
permissions -rw-r--r--
remotefilelog: reduce probability of race-condition in remotefilelog tests ca1014ad3de4 introduced a new parameter `ensurestart` to speed up remotefilelog background processes start. Unfortunately it seems to have increased the possibility of race-conditions in remotefilelog tests testing those background processes. With `ensurestart=False`, it seems that it's more probable to enter in a race condition with `debugwaitonprefetch` and `debugwaitonrepack` in remotefilelog background tests. Our CI seems to have a high probability of triggering this race condition so make it configurable to ensure tests are stable. Differential Revision: https://phab.mercurial-scm.org/D6772
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from __future__ import absolute_import, print_function
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import sys
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def flush():
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    sys.stdout.flush()
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    sys.stderr.flush()
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globalvars = {}
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lines = sys.stdin.readlines()
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while lines:
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    l = lines.pop(0)
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    if l.startswith('SALT'):
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        print(l[:-1])
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    elif l.startswith('>>> '):
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        snippet = l[4:]
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        while lines and lines[0].startswith('... '):
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            l = lines.pop(0)
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            snippet += l[4:]
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        c = compile(snippet, '<heredoc>', 'single')
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        try:
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            flush()
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            exec(c, globalvars)
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            flush()
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        except Exception as inst:
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            flush()
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            print(repr(inst))