/usr/lib/python2.7/dist-packages/networking_ovn/tests/unit/ml2/test_qos_driver.py is in python-networking-ovn 1.0.0-1.
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# 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.objects.qos import policy as qos_policy
from neutron.objects.qos import rule as qos_rule
from neutron.tests import base
from networking_ovn.ml2 import qos_driver
context = 'context'
class TestOVNQosNotificationDriver(base.BaseTestCase):
def setUp(self):
super(TestOVNQosNotificationDriver, self).setUp()
self.driver = qos_driver.OVNQosNotificationDriver()
self.mech_driver = mock.Mock()
self.qos_driver = mock.Mock()
self.driver._driver_property = self.mech_driver
self.mech_driver.qos_driver = self.qos_driver
self.policy = "policy"
def test_create_policy(self):
self.driver.create_policy(context, self.policy)
self.qos_driver.create_policy.assert_not_called()
def test_update_policy(self):
self.driver.update_policy(context, self.policy)
self.qos_driver.update_policy.assert_called_once_with(context,
self.policy)
def test_delete_policy(self):
self.driver.delete_policy(context, self.policy)
self.qos_driver.delete_policy.assert_not_called()
class TestOVNQosDriver(base.BaseTestCase):
def setUp(self):
super(TestOVNQosDriver, self).setUp()
self.plugin = mock.Mock()
self.mech_driver = mock.Mock()
self.driver = qos_driver.OVNQosDriver(self.mech_driver)
self.driver._plugin_property = self.plugin
self.port_id = uuidutils.generate_uuid()
self.policy_id = uuidutils.generate_uuid()
self.network_id = uuidutils.generate_uuid()
self.network_policy_id = uuidutils.generate_uuid()
self.policy = self._create_fake_policy()
self.port = self._create_fake_port()
self.rule = self._create_bw_limit_rule()
self.expected = {'policing_rate': '1', 'policing_burst': '100'}
def _create_bw_limit_rule(self):
rule_obj = qos_rule.QosBandwidthLimitRule()
rule_obj.id = uuidutils.generate_uuid()
rule_obj.max_kbps = 1
rule_obj.max_burst_kbps = 100
rule_obj.obj_reset_changes()
return rule_obj
def _create_fake_policy(self):
policy_dict = {'id': self.network_policy_id}
policy_obj = qos_policy.QosPolicy(context, **policy_dict)
policy_obj.obj_reset_changes()
return policy_obj
def _create_fake_port(self):
return {'id': self.port_id,
'qos_policy_id': self.policy_id,
'network_id': self.network_id,
'device_owner': 'compute:fake'}
def _create_fake_network(self):
return {'id': self.network_id,
'qos_policy_id': self.network_policy_id}
def test__is_network_device_port(self):
self.assertFalse(self.driver._is_network_device_port(self.port))
port = self._create_fake_port()
port['device_owner'] = 'network:dhcp'
self.assertTrue(self.driver._is_network_device_port(port))
port['device_owner'] = 'neutron:LOADBALANCERV2'
self.assertTrue(self.driver._is_network_device_port(port))
def _generate_port_options(self, policy_id, return_val, expected_result):
with mock.patch.object(qos_rule, 'get_rules',
return_value=return_val) as get_rules:
options = self.driver._generate_port_options(context, policy_id)
if policy_id:
get_rules.assert_called_once_with(context, policy_id)
else:
get_rules.assert_not_called()
self.assertEqual(expected_result, options)
def test__generate_port_options_no_policy_id(self):
self._generate_port_options(None, [], {})
def test__generate_port_options_no_rules(self):
self._generate_port_options(self.policy_id, [], {})
def test__generate_port_options_with_rule(self):
self._generate_port_options(self.policy_id, [self.rule], self.expected)
def _get_qos_options(self, port, port_policy, network_policy):
with mock.patch.object(qos_policy.QosPolicy, 'get_network_policy',
return_value=self.policy) as get_network_policy:
with mock.patch.object(self.driver, '_generate_port_options',
return_value={}) as generate_port_options:
options = self.driver.get_qos_options(port)
if network_policy:
get_network_policy.\
assert_called_once_with(context, self.network_id)
generate_port_options. \
assert_called_once_with(context,
self.network_policy_id)
elif port_policy:
get_network_policy.assert_not_called()
generate_port_options.\
assert_called_once_with(context, self.policy_id)
else:
get_network_policy.assert_not_called()
generate_port_options.assert_not_called()
self.assertEqual({}, options)
def test_get_qos_options_no_qos(self):
port = self._create_fake_port()
port.pop('qos_policy_id')
self._get_qos_options(port, False, False)
def test_get_qos_options_network_port(self):
port = self._create_fake_port()
port['device_owner'] = 'network:dhcp'
self._get_qos_options(port, False, False)
@mock.patch('neutron.context.get_admin_context', return_value=context)
def test_get_qos_options_port_policy(self, *mocks):
self._get_qos_options(self.port, True, False)
@mock.patch('neutron.context.get_admin_context', return_value=context)
def test_get_qos_options_network_policy(self, *mocks):
port = self._create_fake_port()
port['qos_policy_id'] = None
self._get_qos_options(port, False, True)
def _update_network_ports(self, port, called):
with mock.patch.object(self.plugin, 'get_ports',
return_value=[port]) as get_ports:
with mock.patch.object(self.mech_driver,
'update_port') as update_port:
self.driver._update_network_ports(
context, self.network_id, {})
get_ports.assert_called_once_with(
context, filters={'network_id': [self.network_id]})
if called:
update_port.assert_called()
else:
update_port.assert_not_called()
def test__update_network_ports_port_policy(self):
self._update_network_ports(self.port, False)
def test__update_network_ports_network_device(self):
port = self._create_fake_port()
port['device_owner'] = 'network:dhcp'
self._update_network_ports(port, False)
def test__update_network_ports(self):
port = self._create_fake_port()
port['qos_policy_id'] = None
self._update_network_ports(port, True)
def _update_network(self, network, original_network, called):
with mock.patch.object(self.driver, '_generate_port_options',
return_value={}) as generate_port_options:
with mock.patch.object(self.driver, '_update_network_ports'
) as update_network_ports:
self.driver.update_network(network, original_network)
if called:
generate_port_options.assert_called_once_with(
context, self.network_policy_id)
update_network_ports.assert_called_once_with(
context, self.network_id, {})
else:
generate_port_options.assert_not_called()
update_network_ports.assert_not_called()
@mock.patch('neutron.context.get_admin_context', return_value=context)
def test_update_network_no_qos(self, *mocks):
network = self._create_fake_network()
network.pop('qos_policy_id')
original_network = self._create_fake_network()
original_network.pop('qos_policy_id')
self._update_network(network, original_network, False)
@mock.patch('neutron.context.get_admin_context', return_value=context)
def test_update_network_no_change(self, *mocks):
network = self._create_fake_network()
original_network = self._create_fake_network()
self._update_network(network, original_network, False)
@mock.patch('neutron.context.get_admin_context', return_value=context)
def test_update_network_policy_change(self, *mocks):
network = self._create_fake_network()
original_network = self._create_fake_network()
original_network['qos_policy_id'] = uuidutils.generate_uuid()
self._update_network(network, original_network, True)
def test_update_policy(self):
with mock.patch.object(self.driver, '_generate_port_options',
return_value={}) as generate_port_options, \
mock.patch.object(self.policy, 'get_bound_networks',
return_value=[self.network_id]
) as get_bound_networks, \
mock.patch.object(self.driver, '_update_network_ports'
) as update_network_ports, \
mock.patch.object(self.policy, 'get_bound_ports',
return_value=[self.port_id]
) as get_bound_ports, \
mock.patch.object(self.plugin, 'get_port',
return_value=self.port) as get_port, \
mock.patch.object(self.mech_driver, 'update_port',
) as update_port:
self.driver.update_policy(context, self.policy)
generate_port_options.assert_called_once_with(
context, self.network_policy_id)
get_bound_networks.assert_called_once()
update_network_ports.assert_called_once_with(
context, self.network_id, {})
get_bound_ports.assert_called_once()
get_port.assert_called_once_with(context, self.port_id)
update_port.assert_called_once_with(self.port, self.port, {})
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