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# Copyright 2014 Rackspace Inc.
#
# Author: Tim Simmons <tim.simmons@rackspace.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 dns.resolver
from designate.backend.agent_backend import impl_bind9
from designate import exceptions
import designate.tests
from designate.tests.unit.agent import backends
from designate import utils
class Bind9AgentBackendTestCase(designate.tests.TestCase):
def setUp(self):
super(Bind9AgentBackendTestCase, self).setUp()
self.CONF.set_override('listen', ['0.0.0.0:0'], 'service:agent')
self.backend = impl_bind9.Bind9Backend('foo')
def test_start_backend(self):
self.backend.start()
def test_stop_backend(self):
self.backend.stop()
@mock.patch.object(dns.resolver.Resolver, 'query')
def test_find_zone_serial(self, mock_query):
self.assertIsNotNone(self.backend.find_zone_serial('example.org.'))
@mock.patch.object(dns.resolver.Resolver, 'query')
def test_find_zone_serial_query_raises(self, mock_query):
mock_query.side_effect = Exception()
self.assertIsNone(self.backend.find_zone_serial('example.org.'))
@mock.patch('designate.utils.execute')
@mock.patch('designate.backend.agent_backend.impl_bind9.Bind9Backend'
'._sync_zone')
def test_create_zone(self, mock_execute, mock_sync_zone):
zone = backends.create_dnspy_zone('example.org')
self.backend.create_zone(zone)
@mock.patch('designate.utils.execute')
@mock.patch('designate.backend.agent_backend.impl_bind9.Bind9Backend'
'._sync_zone')
def test_update_zone(self, mock_execute, mock_sync_zone):
zone = backends.create_dnspy_zone('example.org')
self.backend.update_zone(zone)
@mock.patch('designate.utils.execute')
@mock.patch('designate.backend.agent_backend.impl_bind9.Bind9Backend'
'._sync_zone')
def test_delete_zone(self, mock_execute, mock_sync_zone):
self.backend.delete_zone('example.org.')
@mock.patch('designate.utils.execute')
def test_execute_rndc(self, mock_execute):
self.CONF.set_override(
'rndc_config_file', 'config_file', 'backend:agent:bind9'
)
self.CONF.set_override(
'rndc_key_file', 'key_file', 'backend:agent:bind9'
)
self.backend._execute_rndc(self.backend._rndc_base())
mock_execute.assert_called_once_with(
'rndc', '-s', '127.0.0.1', '-p', '953',
'-c', 'config_file', '-k', 'key_file'
)
@mock.patch('designate.utils.execute')
def test_execute_rndc_raises(self, mock_execute):
mock_execute.side_effect = utils.processutils.ProcessExecutionError()
self.assertRaises(
exceptions.Backend,
self.backend._execute_rndc, self.backend._rndc_base()
)
@mock.patch('designate.utils.execute')
@mock.patch.object(dns.zone.Zone, 'to_file')
def test_sync_zone(self, mock_to_file, mock_execute):
zone = backends.create_dnspy_zone('example.org')
self.backend._sync_zone(zone)
mock_to_file.assert_called_once_with(
'/var/lib/designate/zones/example.org.zone', relativize=False
)
mock_execute.assert_called_once_with(
'rndc', '-s', '127.0.0.1', '-p', '953', 'reload', 'example.org'
)
@mock.patch('designate.utils.execute')
@mock.patch.object(dns.zone.Zone, 'to_file')
def test_sync_zone_with_new_zone(self, mock_to_file, mock_execute):
zone = backends.create_dnspy_zone('example.org')
self.backend._sync_zone(zone, new_zone_flag=True)
mock_to_file.assert_called_once_with(
'/var/lib/designate/zones/example.org.zone', relativize=False
)
mock_execute.assert_called_once_with(
'rndc', '-s', '127.0.0.1', '-p', '953', 'addzone',
'example.org { type master; '
'file "/var/lib/designate/zones/example.org.zone"; };'
)
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