+ assert rmr.rmr_get_meid(sbuf) == summary["meid"] == b"666\x01"
+ assert (len(summary["meid"])) == 4
+
+
+def test_rcv_timeout():
+ """
+ test torcv; this is a scary test because if it fails... it doesn't fail, it will run forever!
+ We receive a message (though nothing has been sent) and make sure the function doesn't block forever.
+
+ There is no unit test for rmr_rcv_msg; too dangerous, that is a blocking call that may never return.
+ """
+ sbuf_rcv = rmr.rmr_alloc_msg(MRC_RCV, SIZE)
+ sbuf_rcv = rmr.rmr_torcv_msg(MRC_RCV, sbuf_rcv, 50) # should time out after 50ms
+ summary = rmr.message_summary(sbuf_rcv)
+ assert summary["message state"] == 12
+ assert summary["message status"] == "RMR_ERR_TIMEOUT"
+
+
+def test_send_rcv():
+ """
+ test send and receive
+ """
+ pay = b"\x01\x00\x80"
+
+ # send a message
+ sbuf_send = rmr.rmr_alloc_msg(MRC_SEND, SIZE)
+ _assert_new_sbuf(sbuf_send)
+ rmr.set_payload_and_length(pay, sbuf_send)
+ sbuf_send.contents.mtype = 0
+ sbuf_send = rmr.rmr_send_msg(MRC_SEND, sbuf_send)
+ send_summary = rmr.message_summary(sbuf_send)
+ assert send_summary["message state"] == 0 # if send fails don't attempt receive
+ assert send_summary["message status"] == "RMR_OK"
+ time.sleep(0.5)
+
+ # receive it in other context
+ sbuf_rcv = rmr.rmr_alloc_msg(MRC_RCV, SIZE)
+ sbuf_rcv = rmr.rmr_torcv_msg(MRC_RCV, sbuf_rcv, 2000)
+ rcv_summary = rmr.message_summary(sbuf_rcv)
+ assert rcv_summary["message state"] == 0
+ assert rcv_summary["message status"] == "RMR_OK"
+ assert rcv_summary["message type"] == 0
+ assert rcv_summary["payload"] == pay
+
+ # send an ACK back
+ ack_pay = b"message received"
+ rmr.set_payload_and_length(ack_pay, sbuf_rcv)
+ sbuf_rcv = rmr.rmr_rts_msg(MRC_RCV, sbuf_rcv)
+ rcv_ack_summary = rmr.message_summary(sbuf_rcv)
+
+ # have the sender receive it
+ sbuf_send = rmr.rmr_torcv_msg(MRC_SEND, sbuf_send, 2000)
+ send_ack_summary = rmr.message_summary(sbuf_send)
+
+ assert send_ack_summary["message state"] == rcv_ack_summary["message state"] == 0
+ assert send_ack_summary["message status"] == rcv_ack_summary["message status"] == "RMR_OK"
+ assert send_ack_summary["payload"] == ack_pay
+
+
+def send_burst(mrc, fmt, mtype=1, num=13, counter=0):
+ """
+ Internal function to support test_rcv_all.
+ Send a burst of messages optionally giving the type, payload
+ and number to send.
+ """
+ sbuf_send = rmr.rmr_alloc_msg(MRC_SEND, SIZE) # seed message buffer
+
+ for i in range(num):
+ payload = bytes(fmt % counter, "UTF-8")
+ counter += 1
+
+ rmr.set_payload_and_length(payload, sbuf_send)
+ sbuf_send.contents.mtype = mtype
+
+ max_retries = 5
+ while max_retries > 0:
+ sbuf_send = rmr.rmr_send_msg(mrc, sbuf_send)
+ ms = rmr.message_summary(sbuf_send)
+ if ms["message state"] != 10: # 10 is retry
+ break
+ max_retries -= 1
+ time.sleep(0.75)
+
+ assert ms["message state"] == 0
+ assert max_retries > 0
+
+
+def test_rcv_all():
+ """
+ test the ability to receive a batch of queued messages.
+ """
+ pay_fmt = "send to ring msg: %d" # dynamic message format with counter
+
+ send_burst(MRC_SEND, pay_fmt) # send a bunch of 13 messages that should queue
+ time.sleep(1) # ensure underlying transport gets cycles to send/receive
+
+ bundle = helpers.rmr_rcvall_msgs(MRC_BUF_RCV) # use the buffered receiver to read all with a single call
+ assert len(bundle) == 13
+
+ for i in range(len(bundle)):
+ ms = bundle[i] # validate each summary returned, and ordering preserved
+ assert ms["message state"] == 0
+ expected_pay = bytes(pay_fmt % i, "UTF-8")
+ assert ms["payload"] == expected_pay
+
+ send_burst(MRC_SEND, pay_fmt, mtype=1, num=10) # send a second round with msg types 1 and 2 to test filter
+ send_burst(MRC_SEND, pay_fmt, mtype=2, num=8)
+ send_burst(MRC_SEND, pay_fmt, mtype=1, num=5)
+ send_burst(MRC_SEND, pay_fmt, mtype=2, num=4, counter=8) # total of 12 messages with type 2 should be queued
+ time.sleep(1) # ensure underlying transport gets cycles to send/receive
+
+ bundle = helpers.rmr_rcvall_msgs(MRC_BUF_RCV, [2]) # receive only message type 2 messages
+ assert len(bundle) == 12 # we should only get the second batch of 12 messages
+
+ for i in range(len(bundle)):
+ ms = bundle[i] # validate each summary
+ assert ms["message state"] == 0 # all should be OK
+ assert ms["message type"] == 2 # only mtype 2 should have been received
+ expected_pay = bytes(pay_fmt % i, "UTF-8") # ordering should still jive with the counter
+ assert ms["payload"] == expected_pay
+
+
+def test_bad_buffer():
+ """test that we get a proper exception when the buffer has a null pointer"""
+ with pytest.raises(exceptions.BadBufferAllocation):
+ rmr.rmr_alloc_msg(None, 4096)
+
+
+def test_alloc_fancy():
+ """test allocation with setting payload, trans, mtype"""
+ pay = b"yoo\x01\x00\x80"
+ sbuf = rmr.rmr_alloc_msg(MRC_SEND, SIZE, payload=pay, gen_transaction_id=True, mtype=14, meid=b"asdf")