OpenStack Study: test_ryu_db.py

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# vim: tabstop=4 shiftwidth=4 softtabstop=4

#

# Copyright 2012 Isaku Yamahata

# All Rights Reserved.

#

# Licensed under the Apache License, Version 2.0 (the "License"); you may

# not use this file except in compliance with the License. You may obtain

# a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

# License for the specific language governing permissions and limitations

# under the License.

from contextlib import nested

import operator

from neutron.db import api as db

from neutron.plugins.ryu.common import config # noqa

from neutron.plugins.ryu.db import api_v2 as db_api_v2

from neutron.plugins.ryu.db import models_v2 as ryu_models_v2 # noqa

from neutron.tests.unit import test_db_plugin as test_plugin

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class RyuDBTest(test_plugin.NeutronDbPluginV2TestCase):

@staticmethod

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    def _tunnel_key_sort(key_list):

        key_list.sort(key=operator.attrgetter('tunnel_key'))

        return [(key.network_id, key.tunnel_key) for key in key_list]

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    def test_key_allocation(self):

        tunnel_key = db_api_v2.TunnelKey()

        session = db.get_session()

        with nested(self.network('network-0'),

                    self.network('network-1')

                    ) as (network_0,

                          network_1):

                network_id0 = network_0['network']['id']

                key0 = tunnel_key.allocate(session, network_id0)

                network_id1 = network_1['network']['id']

                key1 = tunnel_key.allocate(session, network_id1)

                key_list = tunnel_key.all_list()

                self.assertEqual(len(key_list), 2)

                expected_list = [(network_id0, key0), (network_id1, key1)]

                self.assertEqual(self._tunnel_key_sort(key_list),

                                 expected_list)

                tunnel_key.delete(session, network_id0)

                key_list = tunnel_key.all_list()

                self.assertEqual(self._tunnel_key_sort(key_list),

                                 [(network_id1, key1)])

                tunnel_key.delete(session, network_id1)

                self.assertEqual(tunnel_key.all_list(), [])