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# Copyright 2015 Deutsche Telekom AG. 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.
import fixtures
from oslo_serialization import jsonutils as json
from tempest.tests import base
from tempest.tests.lib import fake_http
class BaseServiceTest(base.TestCase):
def create_response(self, body, to_utf=False, status=200, headers=None):
json_body = {}
if body:
json_body = json.dumps(body)
if to_utf:
json_body = json_body.encode('utf-8')
resp = fake_http.fake_http_response(headers, status=status), json_body
return resp
def check_service_client_function(self, function, function2mock,
body, to_utf=False, status=200,
headers=None, mock_args=None,
resp_as_string=False,
**kwargs):
"""Mock a service client function for unit testing.
:param function: The service client function to call.
:param function2mock: The REST call to mock inside the service client
function.
:param body: Expected response body returned by the service client
function.
:param to_utf: Whether to use UTF-8 encoding for response.
:param status: Expected response status returned by the service client
function.
:param headers: Expected headers returned by the service client
function.
:param mock_args: List/dict/value of expected args/kwargs called by
function2mock. For example:
* If mock_args=['foo'] then ``assert_called_once_with('foo')``
is called.
* If mock_args={'foo': 'bar'} then
``assert_called_once_with(foo='bar')`` is called.
* If mock_args='foo' then ``assert_called_once_with('foo')``
is called.
:param resp_as_string: Whether response body is retruned as string.
This is for service client methods which return ResponseBodyData
object.
:param kwargs: kwargs that are passed to function.
"""
mocked_response = self.create_response(body, to_utf, status, headers)
fixture = self.useFixture(fixtures.MockPatch(
function2mock, return_value=mocked_response))
if kwargs:
resp = function(**kwargs)
else:
resp = function()
if resp_as_string:
resp = resp.data
self.assertEqual(body, resp)
if isinstance(mock_args, list):
fixture.mock.assert_called_once_with(*mock_args)
elif isinstance(mock_args, dict):
fixture.mock.assert_called_once_with(**mock_args)
elif mock_args is not None:
fixture.mock.assert_called_once_with(mock_args)
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