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# Copyright 2015 Mellanox Technologies, Ltd
#
# 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.mech_sriov.agent.common import exceptions
from neutron.plugins.ml2.drivers.mech_sriov.agent.extension_drivers import (
qos_driver)
from neutron.tests import base
class QosSRIOVAgentDriverTestCase(base.BaseTestCase):
ASSIGNED_MAC = '00:00:00:00:00:66'
PCI_SLOT = '0000:06:00.1'
def setUp(self):
super(QosSRIOVAgentDriverTestCase, self).setUp()
self.context = context.get_admin_context()
self.qos_driver = qos_driver.QosSRIOVAgentDriver()
self.qos_driver.initialize()
self.qos_driver.eswitch_mgr = mock.Mock()
self.qos_driver.eswitch_mgr.set_device_max_rate = mock.Mock()
self.max_rate_mock = self.qos_driver.eswitch_mgr.set_device_max_rate
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):
return {'port_id': uuidutils.generate_uuid(),
'profile': {'pci_slot': self.PCI_SLOT},
'device': self.ASSIGNED_MAC}
def test_create_rule(self):
self.qos_driver.create(self.port, self.qos_policy)
self.max_rate_mock.assert_called_once_with(
self.ASSIGNED_MAC, self.PCI_SLOT, self.rule.max_kbps)
def test_update_rule(self):
self.qos_driver.update(self.port, self.qos_policy)
self.max_rate_mock.assert_called_once_with(
self.ASSIGNED_MAC, self.PCI_SLOT, self.rule.max_kbps)
def test_delete_rules(self):
self.qos_driver.delete(self.port, self.qos_policy)
self.max_rate_mock.assert_called_once_with(
self.ASSIGNED_MAC, self.PCI_SLOT, 0)
def test__set_vf_max_rate_captures_sriov_failure(self):
self.max_rate_mock.side_effect = exceptions.SriovNicError()
self.qos_driver._set_vf_max_rate(self.ASSIGNED_MAC, self.PCI_SLOT)
def test__set_vf_max_rate_unknown_device(self):
with mock.patch.object(self.qos_driver.eswitch_mgr, 'device_exists',
return_value=False):
self.qos_driver._set_vf_max_rate(self.ASSIGNED_MAC, self.PCI_SLOT)
self.assertFalse(self.max_rate_mock.called)
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