text: #    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 collections
  
  from neutron.cmd import ovs_cleanup
  from neutron.common import utils
  from neutron.conf.agent import cmd
  from neutron.plugins.ml2.drivers.openvswitch.agent.common import constants
  from neutron.tests.common import net_helpers
  from neutron.tests.functional.agent.linux import base
  
  
  class TestOVSCLIConfig(base.BaseOVSLinuxTestCase):
  
      def setup_config(self, args=None):
          self.conf = ovs_cleanup.setup_conf()
          super(TestOVSCLIConfig, self).setup_config(args=args)
  
      def test_ovs_opts_registration(self):
          self.assertFalse(self.conf.ovs_all_ports)
          # to unregister opts
          self.conf.reset()
          self.conf.unregister_opts(cmd.ovs_opts)
  
      def test_do_main_default_options(self):
          int_br = self.useFixture(net_helpers.OVSBridgeFixture()).bridge
          self.conf.set_override("ovs_integration_bridge", int_br.br_name)
          self.conf.set_override("ovs_all_ports", False)
  
          noskip = collections.defaultdict(list)
          skip = collections.defaultdict(list)
          # add two vifs, one skipped, and a non-vif port to int_br
          for collection in (noskip, skip):
              collection[int_br].append(
                  self.useFixture(net_helpers.OVSPortFixture(int_br)).port.name)
          # set skippable vif to be skipped
          int_br.ovsdb.db_set(
              'Interface', skip[int_br][0],
              ('external_ids', {constants.SKIP_CLEANUP: "True"})
          ).execute(check_error=True)
          device_name = utils.get_rand_name()
          skip[int_br].append(device_name)
          int_br.add_port(device_name, ('type', 'internal'))
          # sanity check
          for collection in (noskip, skip):
              for bridge, ports in collection.items():
                  port_list = bridge.get_port_name_list()
                  for port in ports:
                      self.assertIn(port, port_list)
          ovs_cleanup.do_main(self.conf)
          ports = int_br.get_port_name_list()
          for vif in noskip[int_br]:
              self.assertNotIn(vif, ports)
          for port in skip[int_br]:
              self.assertIn(port, ports)
  