neutron/neutron/tests/unit/nec/test_ofc_client.py

118 lines
4.4 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright 2013 NEC Corporation. All rights reserved.
#
# 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.
#
# @author: Akihiro Motoki
import json
import socket
import mock
from neutron.plugins.nec.common import exceptions as nexc
from neutron.plugins.nec.common import ofc_client
from neutron.tests import base
class OFCClientTest(base.BaseTestCase):
def _test_do_request(self, status, resbody, data, exctype=None,
exc_checks=None):
res = mock.Mock()
res.status = status
res.read.return_value = resbody
conn = mock.Mock()
conn.getresponse.return_value = res
with mock.patch.object(ofc_client.OFCClient, 'get_connection',
return_value=conn):
client = ofc_client.OFCClient()
if exctype:
e = self.assertRaises(exctype, client.do_request,
'GET', '/somewhere', body={})
self.assertEqual(data, str(e))
if exc_checks:
for k, v in exc_checks.items():
self.assertEqual(v, getattr(e, k))
else:
response = client.do_request('GET', '/somewhere', body={})
self.assertEqual(response, data)
headers = {"Content-Type": "application/json"}
expected = [
mock.call.request('GET', '/somewhere', '{}', headers),
mock.call.getresponse(),
]
conn.assert_has_calls(expected)
def test_do_request_200_json_value(self):
self._test_do_request(200, json.dumps([1, 2, 3]), [1, 2, 3])
def test_do_request_200_string(self):
self._test_do_request(200, 'abcdef', 'abcdef')
def test_do_request_200_no_body(self):
self._test_do_request(200, None, None)
def test_do_request_other_success_codes(self):
for status in [201, 202, 204]:
self._test_do_request(status, None, None)
def test_do_request_error_no_body(self):
errmsg = _("An OFC exception has occurred: Operation on OFC failed")
exc_checks = {'status': 400, 'err_code': None, 'err_msg': None}
self._test_do_request(400, None, errmsg, nexc.OFCException, exc_checks)
def test_do_request_error_string_body(self):
resbody = 'This is an error.'
errmsg = _("An OFC exception has occurred: Operation on OFC failed")
exc_checks = {'status': 400, 'err_code': None,
'err_msg': 'This is an error.'}
self._test_do_request(400, resbody, errmsg, nexc.OFCException,
exc_checks)
def test_do_request_error_json_body(self):
resbody = json.dumps({'err_code': 40022,
'err_msg': 'This is an error.'})
errmsg = _("An OFC exception has occurred: Operation on OFC failed")
exc_checks = {'status': 400, 'err_code': 40022,
'err_msg': 'This is an error.'}
self._test_do_request(400, resbody, errmsg, nexc.OFCException,
exc_checks)
def test_do_request_socket_error(self):
conn = mock.Mock()
conn.request.side_effect = socket.error
data = _("An OFC exception has occurred: Failed to connect OFC : ")
with mock.patch.object(ofc_client.OFCClient, 'get_connection',
return_value=conn):
client = ofc_client.OFCClient()
e = self.assertRaises(nexc.OFCException, client.do_request,
'GET', '/somewhere', body={})
self.assertEqual(data, str(e))
for k in ['status', 'err_code', 'err_msg']:
self.assertIsNone(getattr(e, k))
headers = {"Content-Type": "application/json"}
expected = [
mock.call.request('GET', '/somewhere', '{}', headers),
]
conn.assert_has_calls(expected)