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# 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 json
from unittest import mock
import keystoneauth1.exceptions.http as ks_exceptions
import osc_lib.exceptions as exceptions
import oslotest.base as base
import requests
from osc_placement import http
from osc_placement import version
from oslo_serialization import jsonutils
class FakeResponse(requests.Response):
def __init__(self, status_code, content=None, headers=None):
super(FakeResponse, self).__init__()
self.status_code = status_code
if content:
self._content = content
if headers:
self.headers = headers
class TestSessionClient(base.BaseTestCase):
def test_wrap_http_exceptions(self):
def go():
with http._wrap_http_exceptions():
error = {
"errors": [
{"status": 404,
"detail": ("The resource could not be found.\n\n"
"No resource provider with uuid 123 "
"found for delete")}
]
}
response = mock.Mock(content=json.dumps(error))
raise ks_exceptions.NotFound(response=response)
exc = self.assertRaises(exceptions.NotFound, go)
self.assertEqual(404, exc.http_status)
self.assertIn('No resource provider with uuid 123 found',
str(exc))
def test_unexpected_response(self):
def go():
with http._wrap_http_exceptions():
raise ks_exceptions.InternalServerError()
exc = self.assertRaises(ks_exceptions.InternalServerError, go)
self.assertEqual(500, exc.http_status)
self.assertIn('Internal Server Error (HTTP 500)', str(exc))
def test_session_client_version(self):
session = mock.Mock()
ks_filter = {'service_type': 'placement',
'region_name': 'mock_region',
'interface': 'mock_interface'}
# 1. target to a specific version
target_version = '1.23'
client = http.SessionClient(
session, ks_filter, api_version=target_version)
self.assertEqual(client.api_version, target_version)
# validate that the server side is not called
session.request.assert_not_called()
# 2. negotiation succeeds and have the client's highest version
target_version = '1'
session.request.return_value = FakeResponse(200)
client = http.SessionClient(
session, ks_filter, api_version=target_version)
self.assertEqual(client.api_version, version.MAX_VERSION_NO_GAP)
# validate that the server side is called
expected_version = 'placement ' + version.MAX_VERSION_NO_GAP
expected_headers = {'OpenStack-API-Version': expected_version,
'Accept': 'application/json'}
session.request.assert_called_once_with(
'/', 'GET', endpoint_filter=ks_filter,
headers=expected_headers, raise_exc=False)
session.reset_mock()
# 3. negotiation fails and get the servers's highest version
mock_server_version = '1.10'
json_mock = {
"errors": [{"status": 406,
"title": "Not Acceptable",
"min_version": "1.0",
"max_version": mock_server_version}]
}
session.request.return_value = FakeResponse(
406, content=jsonutils.dump_as_bytes(json_mock))
client = http.SessionClient(
session, ks_filter, api_version=target_version)
self.assertEqual(client.api_version, mock_server_version)
# validate that the server side is called
session.request.assert_called_once_with(
'/', 'GET', endpoint_filter=ks_filter,
headers=expected_headers, raise_exc=False)
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