# Copyright 2016 VMware, Inc.
#
#    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 neutron.tests.unit.db import test_db_base_plugin_v2 as test_db
from neutron_lib.db import api as db_api

from vmware_nsx.db import nsxv_db
from vmware_nsx.extensions import dns_search_domain as ext_dns_search_domain

PLUGIN_NAME = 'vmware_nsx.plugin.NsxVPlugin'


class DnsSearchDomainExtensionManager(object):

    def get_resources(self):
        return []

    def get_actions(self):
        return []

    def get_request_extensions(self):
        return []

    def get_extended_resources(self, version):
        return ext_dns_search_domain.get_extended_resources(version)


class DnsSearchDomainDBTestCase(test_db.NeutronDbPluginV2TestCase):

    def setUp(self):
        super(DnsSearchDomainDBTestCase, self).setUp()
        self.session = db_api.get_writer_session()

    def test_get_nsxv_subnet_ext_attributes_no_dns_search_domain(self):
        with self.subnet() as sub:
            sub_binding = nsxv_db.get_nsxv_subnet_ext_attributes(
                session=self.session, subnet_id=sub['subnet']['id'])
            self.assertIsNone(sub_binding)

    def test_add_nsxv_subnet_ext_attributes_dns_search_domain(self):
        with self.subnet() as sub:
            nsxv_db.add_nsxv_subnet_ext_attributes(
                session=self.session,
                subnet_id=sub['subnet']['id'],
                dns_search_domain='eng.vmware.com')
            sub_binding = nsxv_db.get_nsxv_subnet_ext_attributes(
                session=self.session, subnet_id=sub['subnet']['id'])
            self.assertEqual('eng.vmware.com', sub_binding.dns_search_domain)
            self.assertEqual(sub['subnet']['id'], sub_binding.subnet_id)

    def test_update_nsxv_subnet_ext_attributes_dns_search_domain(self):
        with self.subnet() as sub:
            nsxv_db.add_nsxv_subnet_ext_attributes(
                session=self.session,
                subnet_id=sub['subnet']['id'],
                dns_search_domain='eng.vmware.com')
            sub_binding = nsxv_db.update_nsxv_subnet_ext_attributes(
                session=self.session,
                subnet_id=sub['subnet']['id'],
                dns_search_domain='nsx.vmware.com')
            self.assertEqual('nsx.vmware.com', sub_binding.dns_search_domain)