neutron/neutron/tests/unit/plugins/ml2/drivers/openvswitch/agent/extension_drivers/test_qos_driver.py

105 lines
4.0 KiB
Python

# 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.
import mock
from oslo_utils import uuidutils
from neutron import context
from neutron.objects.qos import policy
from neutron.objects.qos import rule
from neutron.plugins.ml2.drivers.openvswitch.agent.extension_drivers import (
qos_driver)
from neutron.tests.unit.plugins.ml2.drivers.openvswitch.agent import (
ovs_test_base)
class QosOVSAgentDriverTestCase(ovs_test_base.OVSAgentConfigTestBase):
def setUp(self):
super(QosOVSAgentDriverTestCase, self).setUp()
self.context = context.get_admin_context()
self.qos_driver = qos_driver.QosOVSAgentDriver()
self.qos_driver.initialize()
self.qos_driver.br_int = mock.Mock()
self.qos_driver.br_int.get_egress_bw_limit_for_port = mock.Mock(
return_value=(1000, 10))
self.get = self.qos_driver.br_int.get_egress_bw_limit_for_port
self.qos_driver.br_int.del_egress_bw_limit_for_port = mock.Mock()
self.delete = self.qos_driver.br_int.delete_egress_bw_limit_for_port
self.qos_driver.br_int.create_egress_bw_limit_for_port = mock.Mock()
self.create = self.qos_driver.br_int.create_egress_bw_limit_for_port
self.rule = self._create_bw_limit_rule_obj()
self.qos_policy = self._create_qos_policy_obj([self.rule])
self.port = self._create_fake_port()
def _create_bw_limit_rule_obj(self):
rule_obj = rule.QosBandwidthLimitRule()
rule_obj.id = uuidutils.generate_uuid()
rule_obj.max_kbps = 2
rule_obj.max_burst_kbps = 200
rule_obj.obj_reset_changes()
return rule_obj
def _create_qos_policy_obj(self, rules):
policy_dict = {'id': uuidutils.generate_uuid(),
'tenant_id': uuidutils.generate_uuid(),
'name': 'test',
'description': 'test',
'shared': False,
'rules': rules}
policy_obj = policy.QosPolicy(self.context, **policy_dict)
policy_obj.obj_reset_changes()
return policy_obj
def _create_fake_port(self):
self.port_name = 'fakeport'
class FakeVifPort(object):
port_name = self.port_name
return {'vif_port': FakeVifPort()}
def test_create_new_rule(self):
self.qos_driver.br_int.get_egress_bw_limit_for_port = mock.Mock(
return_value=(None, None))
self.qos_driver.create(self.port, self.qos_policy)
# Assert create is the last call
self.assertEqual(
'create_egress_bw_limit_for_port',
self.qos_driver.br_int.method_calls[-1][0])
self.assertEqual(0, self.delete.call_count)
self.create.assert_called_once_with(
self.port_name, self.rule.max_kbps,
self.rule.max_burst_kbps)
def test_create_existing_rules(self):
self.qos_driver.create(self.port, self.qos_policy)
self._assert_rule_create_updated()
def test_update_rules(self):
self.qos_driver.update(self.port, self.qos_policy)
self._assert_rule_create_updated()
def test_delete_rules(self):
self.qos_driver.delete(self.port, self.qos_policy)
self.delete.assert_called_once_with(self.port_name)
def _assert_rule_create_updated(self):
# Assert create is the last call
self.assertEqual(
'create_egress_bw_limit_for_port',
self.qos_driver.br_int.method_calls[-1][0])
self.create.assert_called_once_with(
self.port_name, self.rule.max_kbps,
self.rule.max_burst_kbps)