view tests/with_hg.py @ 213:388820908580 2.6.2

hglib: update grep to cope with behavior change in hg 5.2.

Since version 5.2, revision filed not printed without all argument.
Fixed inaccurate pasring result with lastest hg and changed test case.

import os
from nose.plugins import Plugin

class WithHgPlugin(Plugin):
    name = 'with-hg'
    enabled = False

    def options(self, parser, env):
        Plugin.options(self, parser, env)
        parser.add_option('--with-hg',
                          action='store',
                          type='string',
                          metavar='HG',
                          dest='with_hg',
                          help='test using specified hg script.')

    def configure(self, options, conf):
        Plugin.configure(self, options, conf)
        if options.with_hg:
            self.enabled = True
            self.hgpath = os.path.realpath(options.with_hg)

    def begin(self):
        import hglib

        p = hglib.util.popen([self.hgpath, 'version'])
        p.communicate()

        if p.returncode:
            raise ValueError("custom hg %r doesn't look like Mercurial"
                             % self.hgpath)

        hglib.HGPATH = self.hgpath