view tests/hghave @ 45167:796b63b0f0dd

merge: refactor code to advise fsmonitor in separate function merge.update() is quite hard to understand, found this an easy win. The end goal is to have better organized merge and mergestate handling and then fix some related bugs. Differential Revision: https://phab.mercurial-scm.org/D8740
author Pulkit Goyal <7895pulkit@gmail.com>
date Thu, 09 Jul 2020 19:02:10 +0530
parents 47ef023d0165
children c102b704edb5
line wrap: on
line source

#!/usr/bin/env python
"""Test the running system for features availability. Exit with zero
if all features are there, non-zero otherwise. If a feature name is
prefixed with "no-", the absence of feature is tested.
"""

from __future__ import absolute_import, print_function

import hghave
import optparse
import os
import sys

checks = hghave.checks


def list_features():
    for name, feature in sorted(checks.items()):
        desc = feature[1]
        print(name + ':', desc)


def test_features():
    failed = 0
    for name, feature in checks.items():
        check, _ = feature
        try:
            check()
        except Exception as e:
            print("feature %s failed:  %s" % (name, e))
            failed += 1
    return failed


parser = optparse.OptionParser("%prog [options] [features]")
parser.add_option(
    "--test-features", action="store_true", help="test available features"
)
parser.add_option(
    "--list-features", action="store_true", help="list available features"
)


def _loadaddon():
    if 'TESTDIR' in os.environ:
        # loading from '.' isn't needed, because `hghave` should be
        # running at TESTTMP in this case
        path = os.environ['TESTDIR']
    else:
        path = '.'

    if not os.path.exists(os.path.join(path, 'hghaveaddon.py')):
        return

    sys.path.insert(0, path)
    try:
        import hghaveaddon

        assert hghaveaddon  # silence pyflakes
    except BaseException as inst:
        sys.stderr.write(
            'failed to import hghaveaddon.py from %r: %s\n' % (path, inst)
        )
        sys.exit(2)
    sys.path.pop(0)


if __name__ == '__main__':
    options, args = parser.parse_args()
    _loadaddon()
    if options.list_features:
        list_features()
        sys.exit(0)

    if options.test_features:
        sys.exit(test_features())

    hghave.require(args)