neutron/neutron/tests/unit/plugins/ml2/drivers/openvswitch/agent/openflow/native/test_ovs_bridge.py

57 lines
2.2 KiB
Python

# Copyright (c) 2016 Mirantis, Inc.
# 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.
import mock
from neutron.agent.common import ovs_lib
from neutron.plugins.ml2.drivers.openvswitch.agent.openflow.native \
import ofswitch
from neutron.tests.unit.plugins.ml2.drivers.openvswitch.agent \
import ovs_test_base
DPID = "0003e9"
class OVSAgentBridgeTestCase(ovs_test_base.OVSRyuTestBase):
def test__get_dp(self):
mock.patch.object(
ovs_lib.OVSBridge, 'get_datapath_id', return_value=DPID).start()
mock.patch.object(
ofswitch.OpenFlowSwitchMixin, "_get_dp_by_dpid",
side_effect=RuntimeError).start()
br = self.br_int_cls('br-int')
br._cached_dpid = int(DPID, 16)
# make sure it correctly raises RuntimeError, not UnboundLocalError as
# in LP https://bugs.launchpad.net/neutron/+bug/1588042
self.assertRaises(RuntimeError, br._get_dp)
def test_get_datapath_no_data_returned(self):
def _mock_db_get_val(tb, rec, col):
if tb == 'Bridge':
return []
mock.patch.object(ovs_lib.OVSBridge, 'db_get_val',
side_effect=_mock_db_get_val).start()
br = self.br_int_cls('br-int')
# make sure that in case of any misconfiguration when no datapath is
# found a proper exception, not a TypeError is raised
self.assertRaises(RuntimeError, br._get_dp)
def test__get_dp_when_get_datapath_id_returns_None(self):
br = self.br_int_cls('br-int')
with mock.patch.object(br, 'get_datapath_id', return_value=None):
self.assertRaises(RuntimeError, br._get_dp)