# Copyright 2015 Hewlett-Packard Development Company, L.P.
#
# Author: Federico Ceratto <federico.ceratto@hpe.com>
#
# 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

import oslotest.base

import designate.conf
from designate import dnsmiddleware
from designate import heartbeat_emitter
from designate.mdns import service
from designate import policy
from designate import rpc
import designate.service
from designate import storage
from designate.tests import base_fixtures
import designate.utils


CONF = designate.conf.CONF


class MdnsServiceTest(oslotest.base.BaseTestCase):
    @mock.patch.object(heartbeat_emitter, 'get_heartbeat_emitter')
    @mock.patch.object(storage, 'get_storage', mock.Mock())
    @mock.patch.object(policy, 'init')
    @mock.patch.object(rpc, 'init')
    @mock.patch.object(rpc, 'initialized')
    def setUp(self, mock_rpc_initialized, mock_rpc_init, mock_policy_init,
              mock_heartbeat):
        super().setUp()
        self.stdlog = base_fixtures.StandardLogging()
        self.useFixture(self.stdlog)

        mock_rpc_initialized.return_value = False

        self.service = service.Service()

        mock_policy_init.assert_called_once()
        mock_rpc_initialized.assert_called_once()
        mock_rpc_init.assert_called_once()

    @mock.patch.object(designate.service.DNSService, 'start')
    def test_service_start(self, mock_dns_start):
        self.service.start()

        mock_dns_start.assert_called()

    def test_service_stop(self):
        self.service.dns_service.stop = mock.Mock()

        self.service.stop()

        self.service.dns_service.stop.assert_called()

        self.assertIn('Stopping mdns service', self.stdlog.logger.output)

    def test_service_name(self):
        self.assertEqual('mdns', self.service.service_name)

    def test_dns_application(self):
        app = self.service.dns_application
        self.assertIsInstance(app, dnsmiddleware.DNSMiddleware)
