1 files changed, 53 insertions, 0 deletions
diff --git a/oslo_middleware/tests/test_correlation_id.py b/oslo_middleware/tests/test_correlation_id.py
new file mode 100644
index 0000000..6dde5d8
--- /dev/null
+++ b/oslo_middleware/tests/test_correlation_id.py
@@ -0,0 +1,53 @@
+# 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 uuid
+
+import mock
+from oslotest import base as test_base
+from oslotest import moxstubout
+
+from oslo_middleware import correlation_id
+
+
+class CorrelationIdTest(test_base.BaseTestCase):
+
+    def setUp(self):
+        super(CorrelationIdTest, self).setUp()
+        self.stubs = self.useFixture(moxstubout.MoxStubout()).stubs
+
+    def test_process_request(self):
+        app = mock.Mock()
+        req = mock.Mock()
+        req.headers = {}
+
+        mock_uuid4 = mock.Mock()
+        mock_uuid4.return_value = "fake_uuid"
+        self.stubs.Set(uuid, 'uuid4', mock_uuid4)
+
+        middleware = correlation_id.CorrelationId(app)
+        middleware(req)
+
+        self.assertEqual(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.CorrelationId(app)
+        middleware(req)
+
+        self.assertEqual(req.headers.get("X_CORRELATION_ID"), "correlation_id")