bdbfea3327
Adds api calls to get the max or sum volume for a specific project. Moves the logic for deciding when to skip a test that needs the Mongo map-reduce feature into a new test db module. Adds TestConnection class to avoid recreating the underlying Database object when using mim. This is necessary because spidermonkey can only create a limited number of instances per process. Change-Id: Idefc01978e41ec823533b7dbb164319a916b155c Signed-off-by: Steven Berler <steven.berler@dreamhost.com>
99 lines
3.1 KiB
Python
99 lines
3.1 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Copyright © 2012 New Dream Network, LLC (DreamHost)
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#
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# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Base classes for API tests.
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"""
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import logging
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import os
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from ming import mim
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import mock
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from nose.plugins import skip
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from ceilometer.storage import impl_mongodb
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from ceilometer.tests import base as test_base
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LOG = logging.getLogger(__name__)
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class TestBase(test_base.TestCase):
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DBNAME = 'testdb'
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def setUp(self):
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super(TestBase, self).setUp()
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self.conf = mock.Mock()
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self.conf.metering_storage_engine = 'mongodb'
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self.conf.database_connection = 'mongodb://localhost/%s' % self.DBNAME
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self.conn = TestConnection(self.conf)
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self.conn.drop_database(self.DBNAME)
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self.conn.conn[self.DBNAME]
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return
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def tearDown(self):
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self.conn.drop_database(self.DBNAME)
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class TestConnection(impl_mongodb.Connection):
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_mim_instance = None
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FORCE_MONGO = bool(int(os.environ.get('CEILOMETER_TEST_LIVE', 0)))
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def drop_database(self, database):
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if TestConnection._mim_instance is not None:
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# Don't want to use drop_database() because we
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# may end up running out of spidermonkey instances.
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# http://davisp.lighthouseapp.com/projects/26898/tickets/22
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self.conn[database].clear()
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else:
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self.conn.drop_database(database)
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def _get_connection(self, conf):
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# Use a real MongoDB server if we can connect, but fall back
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# to a Mongo-in-memory connection if we cannot.
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if self.FORCE_MONGO:
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try:
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return super(TestConnection, self)._get_connection(conf)
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except:
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LOG.debug('Unable to connect to mongodb')
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raise
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else:
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LOG.debug('Using MIM for test connection')
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# MIM will die if we have too many connections, so use a
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# Singleton
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if TestConnection._mim_instance is None:
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LOG.debug('Creating a new MIM Connection object')
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TestConnection._mim_instance = mim.Connection()
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return TestConnection._mim_instance
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def require_map_reduce(conn):
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"""Raises SkipTest if the connection is using mim.
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"""
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# NOTE(dhellmann): mim requires spidermonkey to implement the
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# map-reduce functions, so if we can't import it then just
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# skip these tests unless we aren't using mim.
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try:
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import spidermonkey
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except:
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if isinstance(conn.conn, mim.Connection):
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raise skip.SkipTest('requires spidermonkey')
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