contrib/benchmarks/revset.py

test: add test for a former race resulting in bad dirstate

In 6.0 this used to result in the size being stored in the dirstate is wrong.
This was fixed by other change to the mtime gathering logic.

Differential Revision: https://phab.mercurial-scm.org/D11749

# revset.py - asv revset benchmarks
#
# Copyright 2016 Logilab SA <[e-mail]>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

'''ASV revset benchmarks generated from contrib/base-revsets.txt

Each revset benchmark is parameterized with variants (first, last, sort, ...)
'''

from __future__ import absolute_import

import os
import string
import sys

from . import basedir, perfbench


def createrevsetbenchmark(baseset, variants=None):
    if variants is None:
        # Default variants
        variants = ["plain", "first", "last", "sort", "sort+first", "sort+last"]
    fname = "track_" + "_".join(
        "".join(
            [c if c in string.digits + string.letters else " " for c in baseset]
        ).split()
    )

    def wrap(fname, baseset):
        @perfbench(name=baseset, params=[("variant", variants)])
        def f(perf, variant):
            revset = baseset
            if variant != "plain":
                for var in variant.split("+"):
                    revset = "%s(%s)" % (var, revset)
            return perf("perfrevset", revset)

        f.__name__ = fname
        return f

    return wrap(fname, baseset)


def initializerevsetbenchmarks():
    mod = sys.modules[__name__]
    with open(os.path.join(basedir, 'contrib', 'base-revsets.txt'), 'rb') as fh:
        for line in fh:
            baseset = line.strip()
            if baseset and not baseset.startswith('#'):
                func = createrevsetbenchmark(baseset)
                setattr(mod, func.__name__, func)


initializerevsetbenchmarks()