tst: improve sync message testing

In order to validate the internal filter mechanism we have to ensure that we do not receive anything on the async channel. Signed-off-by: Federico Vaga <federico.vaga@cern.ch>

tst: improve sync message testing
In order to validate the internal filter mechanism we have to ensure that we do not receive anything on the async channel. Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
f4e8392c · Federico Vaga · 358f6a73 · f4e8392c
Commit f4e8392c authored Apr 03, 2019 by Federico Vaga
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test_hmq.py tests/test_hmq.py +3 -0

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--- a/tests/test_hmq.py
+++ b/tests/test_hmq.py
@@ -235,3 +235,6 @@ class TestHmq(object):
                assert msg_r.header.flags == PyMockTurtle.TrtlHmqHeader.TRTL_HMQ_HEADER_FLAG_ACK
                for v1, v2 in zip(msg.payload, msg_r.payload):
                    assert v1 == v2
+
+                msg_r = hmq.recv_msg()
+                assert msg_r is None