#    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.
#
from unittest import mock

from neutronclient.osc.v2.dynamic_routing import bgp_dragent
from neutronclient.tests.unit.osc.v2.dynamic_routing import fakes


class TestAddBgpSpeakerToDRAgent(fakes.TestNeutronDynamicRoutingOSCV2):
    _bgp_speaker = fakes.FakeBgpSpeaker.create_one_bgp_speaker()
    _bgp_dragent = fakes.FakeDRAgent.create_one_dragent()
    _bgp_speaker_id = _bgp_speaker['id']
    _bgp_dragent_id = _bgp_dragent['id']

    def setUp(self):
        super(TestAddBgpSpeakerToDRAgent, self).setUp()

        # Get the command object to test
        self.cmd = bgp_dragent.AddBgpSpeakerToDRAgent(self.app, self.namespace)

    def test_add_bgp_speaker_to_dragent(self):
        arglist = [
            self._bgp_dragent_id,
            self._bgp_speaker_id,
        ]
        verifylist = [
            ('dragent_id', self._bgp_dragent_id),
            ('bgp_speaker', self._bgp_speaker_id),
        ]
        parsed_args = self.check_parser(self.cmd, arglist, verifylist)

        with mock.patch.object(self.neutronclient,
                               "add_bgp_speaker_to_dragent",
                               return_value=None):

            result = self.cmd.take_action(parsed_args)
            self.neutronclient.add_bgp_speaker_to_dragent.\
                assert_called_once_with(
                    self._bgp_dragent_id,
                    {'bgp_speaker_id': self._bgp_speaker_id})
            self.assertIsNone(result)


class TestRemoveBgpSpeakerFromDRAgent(fakes.TestNeutronDynamicRoutingOSCV2):
    _bgp_speaker = fakes.FakeBgpSpeaker.create_one_bgp_speaker()
    _bgp_dragent = fakes.FakeDRAgent.create_one_dragent()
    _bgp_speaker_id = _bgp_speaker['id']
    _bgp_dragent_id = _bgp_dragent['id']

    def setUp(self):
        super(TestRemoveBgpSpeakerFromDRAgent, self).setUp()

        # Get the command object to test
        self.cmd = bgp_dragent.RemoveBgpSpeakerFromDRAgent(
            self.app, self.namespace)

    def test_remove_bgp_speaker_from_dragent(self):
        arglist = [
            self._bgp_dragent_id,
            self._bgp_speaker_id,
        ]
        verifylist = [
            ('dragent_id', self._bgp_dragent_id),
            ('bgp_speaker', self._bgp_speaker_id),
        ]
        parsed_args = self.check_parser(self.cmd, arglist, verifylist)

        with mock.patch.object(self.neutronclient,
                               "remove_bgp_speaker_from_dragent",
                               return_value=None):
            result = self.cmd.take_action(parsed_args)
            self.neutronclient.remove_bgp_speaker_from_dragent.\
                assert_called_once_with(self._bgp_dragent_id,
                                        self._bgp_speaker_id)
            self.assertIsNone(result)


class TestListDRAgentsHostingBgpSpeaker(fakes.TestNeutronDynamicRoutingOSCV2):
    _bgp_speaker = fakes.FakeBgpSpeaker.create_one_bgp_speaker()
    _bgp_speaker_id = _bgp_speaker['id']
    attrs = {'bgp_speaker_id': _bgp_speaker_id}
    _bgp_dragents = fakes.FakeDRAgent.create_dragents(attrs)
    columns = ('ID', 'Host', 'State', 'Alive')
    data = [(_bgp_dragent['id'],
             _bgp_dragent['host'],
             _bgp_dragent['admin_state_up'],
             ':-)' if _bgp_dragent['alive'] else 'XXX')
            for _bgp_dragent in _bgp_dragents['agents']]

    def setUp(self):
        super(TestListDRAgentsHostingBgpSpeaker, self).setUp()

        # Get the command object to test
        self.cmd = bgp_dragent.ListDRAgent(self.app, self.namespace)

    def test_list_dragents_hosting_bgp_speaker(self):
        arglist = [
            '--bgp-speaker', self._bgp_speaker_id,
        ]
        verifylist = [
            ('bgp_speaker', self._bgp_speaker_id),
        ]
        parsed_args = self.check_parser(self.cmd, arglist, verifylist)

        with mock.patch.object(self.neutronclient,
                               "list_dragents_hosting_bgp_speaker",
                               return_value=self._bgp_dragents):
            columns, data = self.cmd.take_action(parsed_args)
            attrs = {'bgp_speaker': self._bgp_speaker_id}
            self.neutronclient.list_dragents_hosting_bgp_speaker.\
                assert_called_once_with(**attrs)
            self.assertEqual(self.columns, columns)
            self.assertListEqual(self.data, list(data))