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path: root/lib/python2.7/site-packages/buildbot-0.8.8-py2.7.egg/buildbot/test/util/connector_component.py
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# This file is part of Buildbot.  Buildbot is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members

from buildbot.db import model
from buildbot.test.util import db
from buildbot.test.fake import fakemaster

class FakeDBConnector(object):
    pass

class ConnectorComponentMixin(db.RealDatabaseMixin):
    """
    Implements a mock DBConnector object, replete with a thread pool and a DB
    model.  This includes a RealDatabaseMixin, so subclasses should not
    instantiate that class directly.  The connector appears at C{self.db}, and
    the component should be attached to it as an attribute.

    @ivar db: fake database connector
    @ivar db.pool: DB thread pool
    @ivar db.model: DB model
    """
    def setUpConnectorComponent(self, table_names=[], basedir='basedir'):
        """Set up C{self.db}, using the given db_url and basedir."""
        d = self.setUpRealDatabase(table_names=table_names, basedir=basedir)
        def finish_setup(_):
            self.db = FakeDBConnector()
            self.db.pool = self.db_pool
            self.db.model = model.Model(self.db)
            self.db.master = fakemaster.make_master()
        d.addCallback(finish_setup)
        return d

    def tearDownConnectorComponent(self):
        d = self.tearDownRealDatabase()
        def finish_cleanup(_):
            self.db_pool.shutdown()
            # break some reference loops, just for fun
            del self.db.pool
            del self.db.model
            del self.db
        d.addCallback(finish_cleanup)
        return d