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# 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 fixtures
import mock
from oslotest import base as test_base
from oslo_middleware import correlation_id
class CorrelationIdTest(test_base.BaseTestCase):
def setUp(self):
super(CorrelationIdTest, self).setUp()
def test_process_request(self):
app = mock.Mock()
req = mock.Mock()
req.headers = {}
mock_uuid4 = mock.Mock()
mock_uuid4.return_value = "fake_uuid"
self.useFixture(fixtures.MockPatch('uuid.uuid4', mock_uuid4))
middleware = correlation_id.CorrelationId(app)
middleware(req)
self.assertEqual("fake_uuid", req.headers.get("X_CORRELATION_ID"))
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.CorrelationId(app)
middleware(req)
self.assertEqual("correlation_id", req.headers.get("X_CORRELATION_ID"))
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