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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2013 Rackspace Hosting
# 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 mock
from openstack.common.middleware import correlation_id
from openstack.common import uuidutils
from tests import utils
class CorrelationIdMiddlewareTest(utils.BaseTestCase):
def test_process_request(self):
app = mock.Mock()
req = mock.Mock()
req.headers = {}
mock_generate_uuid = mock.Mock()
mock_generate_uuid.return_value = "fake_uuid"
self.stubs.Set(uuidutils, 'generate_uuid', mock_generate_uuid)
middleware = correlation_id.CorrelationIdMiddleware(app)
middleware(req)
self.assertEquals(req.headers.get("X_CORRELATION_ID"), "fake_uuid")
def test_process_request_should_not_regenerate_correlation_id(self):
app = mock.Mock()
req = mock.Mock()
req.headers = {"X_CORRELATION_ID": "correlation_id"}
middleware = correlation_id.CorrelationIdMiddleware(app)
middleware(req)
self.assertEquals(req.headers.get("X_CORRELATION_ID"),
"correlation_id")
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