tests/testlib/ext-sidedata-2.py
author Pierre-Yves David <pierre-yves.david@octobus.net>
Fri, 09 Apr 2021 03:36:07 +0200
changeset 46881 06ebf0cc4f70
parent 46731 ba8e508a8e69
child 47090 64cd1496bb70
permissions -rw-r--r--
persistent-nodemap: disable it unconditionally for test-wireproto-caching.t This is not relevant for the test and this will avoid a lot of variations. Differential Revision: https://phab.mercurial-scm.org/D10336

# coding: utf8
# ext-sidedata-2.py - small extension to test (differently) the sidedata logic
#
# Simulates a client for a complex sidedata exchange.
#
# Copyright 2021 Raphaël Gomès <rgomes@octobus.net>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

from __future__ import absolute_import

import hashlib
import struct

from mercurial.revlogutils import sidedata as sidedatamod


def compute_sidedata_1(repo, revlog, rev, sidedata, text=None):
    sidedata = sidedata.copy()
    if text is None:
        text = revlog.revision(rev)
    sidedata[sidedatamod.SD_TEST1] = struct.pack('>I', len(text))
    return sidedata


def compute_sidedata_2(repo, revlog, rev, sidedata, text=None):
    sidedata = sidedata.copy()
    if text is None:
        text = revlog.revision(rev)
    sha256 = hashlib.sha256(text).digest()
    sidedata[sidedatamod.SD_TEST2] = struct.pack('>32s', sha256)
    return sidedata


def reposetup(ui, repo):
    # Sidedata keys happen to be the same as the categories, easier for testing.
    for kind in (b'changelog', b'manifest', b'filelog'):
        repo.register_sidedata_computer(
            kind,
            sidedatamod.SD_TEST1,
            (sidedatamod.SD_TEST1,),
            compute_sidedata_1,
        )
        repo.register_sidedata_computer(
            kind,
            sidedatamod.SD_TEST2,
            (sidedatamod.SD_TEST2,),
            compute_sidedata_2,
        )