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# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
#
# Author: Artom Lifshitz <artom.lifshitz@enovance.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.
import socket
import ssl
from unittest import mock
import eventlet
from designate.backend import impl_nsd4
from designate import exceptions
from designate import objects
import designate.tests
class NSD4BackendTestCase(designate.tests.TestCase):
def setUp(self):
super(NSD4BackendTestCase, self).setUp()
keyfile = mock.sentinel.key
certfile = mock.sentinel.cert
self.context = self.get_context()
self.zone = objects.Zone(
id='e2bed4dc-9d01-11e4-89d3-123b93f75cba',
name='example.com.',
email='example@example.com',
)
self.port = 6969
self.target = {
'id': '4588652b-50e7-46b9-b688-a9bad40a873e',
'type': 'nsd4',
'masters': [
{'host': '192.0.2.1', 'port': 53},
{'host': '192.0.2.2', 'port': 35},
],
'options': [
{'key': 'keyfile', 'value': keyfile.name},
{'key': 'certfile', 'value': certfile.name},
{'key': 'pattern', 'value': 'test-pattern'},
{'key': 'port', 'value': str(self.port)},
],
}
self.backend = impl_nsd4.NSD4Backend(
objects.PoolTarget.from_dict(self.target)
)
@mock.patch.object(eventlet, 'connect')
@mock.patch.object(eventlet, 'wrap_ssl')
def _test_command(self, mock_ssl, mock_connect, command_context):
sock = mock.MagicMock()
stream = mock.MagicMock()
mock_connect.return_value = mock.sentinel.client
mock_ssl.return_value = sock
sock.makefile.return_value = stream
if command_context == 'create_fail':
stream.read.return_value = 'goat'
else:
stream.read.return_value = 'ok'
if command_context == 'create':
self.backend.create_zone(self.context, self.zone)
command = 'NSDCT1 addzone %s test-pattern\n' % self.zone.name
elif command_context == 'delete':
self.backend.delete_zone(self.context, self.zone)
command = 'NSDCT1 delzone %s\n' % self.zone.name
elif command_context == 'create_fail':
self.assertRaises(exceptions.Backend,
self.backend.create_zone,
self.context, self.zone)
command = 'NSDCT1 addzone %s test-pattern\n' % self.zone.name
stream.write.assert_called_once_with(command)
mock_ssl.assert_called_once_with(mock.sentinel.client,
certfile=mock.sentinel.cert.name,
keyfile=mock.sentinel.key.name)
mock_connect.assert_called_once_with(('127.0.0.1', self.port))
sock.makefile.assert_called_once_with()
sock.close.assert_called_once_with()
stream.close.assert_called_once_with()
stream.flush.assert_called_once_with()
stream.read.assert_called_once_with()
def test_create_zone(self):
self._test_command(command_context='create')
def test_delete_zone(self):
self._test_command(command_context='delete')
def test_server_not_ok(self):
self._test_command(command_context='create_fail')
def test_ssl_error(self):
self.backend._command = mock.MagicMock(side_effect=ssl.SSLError)
self.assertRaises(exceptions.Backend,
self.backend.create_zone,
self.context, self.zone)
def test_socket_error(self):
self.backend._command = mock.MagicMock(side_effect=socket.error)
self.assertRaises(exceptions.Backend,
self.backend.create_zone,
self.context, self.zone)
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