1 files changed, 94 insertions, 0 deletions
diff --git a/yardstick/tests/functional/common/messaging/test_messaging.py b/yardstick/tests/functional/common/messaging/test_messaging.py
new file mode 100644
index 000000000..96deeb35b
--- /dev/null
+++ b/yardstick/tests/functional/common/messaging/test_messaging.py
@@ -0,0 +1,94 @@
+# Copyright (c) 2018 Intel Corporation
+#
+# 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 multiprocessing
+import os
+import time
+
+from yardstick.common.messaging import consumer
+from yardstick.common.messaging import payloads
+from yardstick.common.messaging import producer
+from yardstick.tests.functional import base
+
+
+TOPIC = 'topic_MQ'
+METHOD_INFO = 'info'
+
+
+class DummyPayload(payloads.Payload):
+    REQUIRED_FIELDS = {'version', 'data'}
+
+
+class DummyEndpoint(consumer.NotificationHandler):
+
+    def info(self, ctxt, **kwargs):
+        if ctxt['pid'] == self._ctx_pid:
+            self._queue.put('ID {}, data: {}'.format(self._id, kwargs['data']))
+
+
+class DummyConsumer(consumer.MessagingConsumer):
+
+    def __init__(self, id, ctx_pid, queue):
+        self._id = id
+        endpoints = [DummyEndpoint(id, ctx_pid, queue)]
+        super(DummyConsumer, self).__init__(TOPIC, ctx_pid, endpoints)
+
+
+class DummyProducer(producer.MessagingProducer):
+    pass
+
+
+def _run_consumer(id, ctx_pid, queue):
+    _consumer = DummyConsumer(id, ctx_pid, queue)
+    _consumer.start_rpc_server()
+    _consumer.wait()
+
+
+class MessagingTestCase(base.BaseFunctionalTestCase):
+
+    @staticmethod
+    def _terminate_consumers(num_consumers, processes):
+        for i in range(num_consumers):
+            processes[i].terminate()
+
+    def test_run_five_consumers(self):
+        output_queue = multiprocessing.Queue()
+        num_consumers = 10
+        ctx_id = os.getpid()
+        producer = DummyProducer(TOPIC, pid=ctx_id)
+
+        processes = []
+        for i in range(num_consumers):
+            processes.append(multiprocessing.Process(
+                name='consumer_{}'.format(i),
+                target=_run_consumer,
+                args=(i, ctx_id, output_queue)))
+            processes[i].start()
+        self.addCleanup(self._terminate_consumers, num_consumers, processes)
+
+        time.sleep(2)  # Let consumers to create the listeners
+        producer.send_message(METHOD_INFO, DummyPayload(version=1,
+                                                        data='message 0'))
+        producer.send_message(METHOD_INFO, DummyPayload(version=1,
+                                                        data='message 1'))
+        time.sleep(2)  # Let consumers attend the calls
+
+        output = []
+        while not output_queue.empty():
+            output.append(output_queue.get(True, 1))
+
+        self.assertEqual(num_consumers * 2, len(output))
+        for i in range(num_consumers):
+            self.assertIn('ID {}, data: {}'.format(1, 'message 0'), output)
+            self.assertIn('ID {}, data: {}'.format(1, 'message 1'), output)