neutron-fwaas/neutron/tests/unit/hyperv/test_hyperv_neutron_agent.py
Ihar Hrachyshka d8f0539151 Refresh rpc_backend values in unit tests to those from oslo.messaging
Though old values are supported via compatibility transport aliases [1],
it's better to stick to those values that are officially supported by
oslo.messaging.

[1]: neutron/common/rpc.py:TRANSPORT_ALIASES

blueprint oslo-messaging

Change-Id: I7bc03e323151cfdda2cb2bc4cd6f5aea9b87a746
2014-08-22 11:02:25 +02:00

217 lines
8.9 KiB
Python

# Copyright 2013 Cloudbase Solutions SRL
# Copyright 2013 Pedro Navarro Perez
# 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.
"""
Unit tests for Windows Hyper-V virtual switch neutron driver
"""
import mock
from oslo.config import cfg
from neutron.plugins.hyperv.agent import hyperv_neutron_agent
from neutron.plugins.hyperv.agent import utilsfactory
from neutron.tests import base
cfg.CONF.import_opt('enable_metrics_collection',
'neutron.plugins.hyperv.agent.hyperv_neutron_agent',
'AGENT')
class TestHyperVNeutronAgent(base.BaseTestCase):
_FAKE_PORT_ID = 'fake_port_id'
def setUp(self):
super(TestHyperVNeutronAgent, self).setUp()
utilsfactory._get_windows_version = mock.MagicMock(
return_value='6.2.0')
class MockFixedIntervalLoopingCall(object):
def __init__(self, f):
self.f = f
def start(self, interval=0):
self.f()
mock.patch('neutron.openstack.common.loopingcall.'
'FixedIntervalLoopingCall',
new=MockFixedIntervalLoopingCall).start()
cfg.CONF.set_default('firewall_driver',
'neutron.agent.firewall.NoopFirewallDriver',
group='SECURITYGROUP')
self.agent = hyperv_neutron_agent.HyperVNeutronAgent()
self.agent.plugin_rpc = mock.Mock()
self.agent.sec_groups_agent = mock.MagicMock()
self.agent.context = mock.Mock()
self.agent.agent_id = mock.Mock()
fake_agent_state = {
'binary': 'neutron-hyperv-agent',
'host': 'fake_host_name',
'topic': 'N/A',
'configurations': {'vswitch_mappings': ['*:MyVirtualSwitch']},
'agent_type': 'HyperV agent',
'start_flag': True}
self.agent_state = fake_agent_state
def test_port_bound_enable_metrics(self):
cfg.CONF.set_override('enable_metrics_collection', True, 'AGENT')
self._test_port_bound(True)
def test_port_bound_no_metrics(self):
cfg.CONF.set_override('enable_metrics_collection', False, 'AGENT')
self._test_port_bound(False)
def _test_port_bound(self, enable_metrics):
port = mock.MagicMock()
mock_enable_metrics = mock.MagicMock()
net_uuid = 'my-net-uuid'
with mock.patch.multiple(
self.agent._utils,
connect_vnic_to_vswitch=mock.MagicMock(),
set_vswitch_port_vlan_id=mock.MagicMock(),
enable_port_metrics_collection=mock_enable_metrics):
self.agent._port_bound(port, net_uuid, 'vlan', None, None)
self.assertEqual(enable_metrics, mock_enable_metrics.called)
def test_port_unbound(self):
map = {
'network_type': 'vlan',
'vswitch_name': 'fake-vswitch',
'ports': [],
'vlan_id': 1}
net_uuid = 'my-net-uuid'
network_vswitch_map = (net_uuid, map)
with mock.patch.object(self.agent,
'_get_network_vswitch_map_by_port_id',
return_value=network_vswitch_map):
with mock.patch.object(
self.agent._utils,
'disconnect_switch_port'):
self.agent._port_unbound(net_uuid)
def test_port_enable_control_metrics_ok(self):
cfg.CONF.set_override('enable_metrics_collection', True, 'AGENT')
self.agent._port_metric_retries[self._FAKE_PORT_ID] = (
cfg.CONF.AGENT.metrics_max_retries)
with mock.patch.multiple(self.agent._utils,
can_enable_control_metrics=mock.MagicMock(),
enable_control_metrics=mock.MagicMock()):
self.agent._utils.can_enable_control_metrics.return_value = True
self.agent._port_enable_control_metrics()
self.agent._utils.enable_control_metrics.assert_called_with(
self._FAKE_PORT_ID)
self.assertNotIn(self._FAKE_PORT_ID, self.agent._port_metric_retries)
def test_port_enable_control_metrics_maxed(self):
cfg.CONF.set_override('enable_metrics_collection', True, 'AGENT')
cfg.CONF.set_override('metrics_max_retries', 3, 'AGENT')
self.agent._port_metric_retries[self._FAKE_PORT_ID] = (
cfg.CONF.AGENT.metrics_max_retries)
with mock.patch.multiple(self.agent._utils,
can_enable_control_metrics=mock.MagicMock(),
enable_control_metrics=mock.MagicMock()):
self.agent._utils.can_enable_control_metrics.return_value = False
for i in range(cfg.CONF.AGENT.metrics_max_retries + 1):
self.assertIn(self._FAKE_PORT_ID,
self.agent._port_metric_retries)
self.agent._port_enable_control_metrics()
self.assertNotIn(self._FAKE_PORT_ID, self.agent._port_metric_retries)
def test_treat_devices_added_returns_true_for_missing_device(self):
attrs = {'get_devices_details_list.side_effect': Exception()}
self.agent.plugin_rpc.configure_mock(**attrs)
self.assertTrue(self.agent._treat_devices_added([{}]))
def mock_treat_devices_added(self, details, func_name):
"""Mock treat devices added.
:param details: the details to return for the device
:param func_name: the function that should be called
:returns: whether the named function was called
"""
attrs = {'get_devices_details_list.return_value': [details]}
self.agent.plugin_rpc.configure_mock(**attrs)
with mock.patch.object(self.agent, func_name) as func:
self.assertFalse(self.agent._treat_devices_added([{}]))
return func.called
def test_treat_devices_added_updates_known_port(self):
details = mock.MagicMock()
details.__contains__.side_effect = lambda x: True
with mock.patch.object(self.agent.plugin_rpc,
"update_device_up") as func:
self.assertTrue(self.mock_treat_devices_added(details,
'_treat_vif_port'))
self.assertTrue(func.called)
def test_treat_devices_added_missing_port_id(self):
details = mock.MagicMock()
details.__contains__.side_effect = lambda x: False
with mock.patch.object(self.agent.plugin_rpc,
"update_device_up") as func:
self.assertFalse(self.mock_treat_devices_added(details,
'_treat_vif_port'))
self.assertFalse(func.called)
def test_treat_devices_removed_returns_true_for_missing_device(self):
attrs = {'update_device_down.side_effect': Exception()}
self.agent.plugin_rpc.configure_mock(**attrs)
self.assertTrue(self.agent._treat_devices_removed([{}]))
def mock_treat_devices_removed(self, port_exists):
details = dict(exists=port_exists)
attrs = {'update_device_down.return_value': details}
self.agent.plugin_rpc.configure_mock(**attrs)
with mock.patch.object(self.agent, '_port_unbound') as func:
self.assertFalse(self.agent._treat_devices_removed([{}]))
self.assertEqual(func.called, not port_exists)
def test_treat_devices_removed_unbinds_port(self):
self.mock_treat_devices_removed(False)
def test_treat_devices_removed_ignores_missing_port(self):
self.mock_treat_devices_removed(False)
def test_report_state(self):
with mock.patch.object(self.agent.state_rpc,
"report_state") as report_st:
self.agent._report_state()
report_st.assert_called_with(self.agent.context,
self.agent.agent_state)
self.assertNotIn("start_flag", self.agent.agent_state)
def test_main(self):
with mock.patch.object(hyperv_neutron_agent,
'HyperVNeutronAgent') as plugin:
with mock.patch.object(hyperv_neutron_agent,
'common_config') as common_config:
hyperv_neutron_agent.main()
self.assertTrue(common_config.init.called)
self.assertTrue(common_config.setup_logging.called)
plugin.assert_has_calls([mock.call().daemon_loop()])