+ assert summary["transaction id"] == b"66666666666666666666666666666666"
+
+
+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"
+ sbuf_rcv = rmr.rmr_rts_msg(MRC_RCV, sbuf_rcv, payload=ack_pay, mtype=6666)
+ 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
+ assert send_ack_summary["message type"] == 6666
+
+
+def test_send_rcv_subid_good():
+ """
+ test send and receive where subid is used for routing
+ """
+ pay = b"\x01\x00\x80"
+ test_mtype = 46656
+ test_subid = 777
+
+ # send a message
+ sbuf_send = rmr.rmr_alloc_msg(MRC_SEND, 3, pay, mtype=test_mtype, sub_id=test_subid)
+ pre_send_summary = rmr.message_summary(sbuf_send)
+ sbuf_send = rmr.rmr_send_msg(MRC_SEND, sbuf_send)
+ send_summary = rmr.message_summary(sbuf_send)
+
+ # receive it in other context
+ time.sleep(0.5)
+ sbuf_rcv = rmr.rmr_alloc_msg(MRC_RCV, 3)
+ sbuf_rcv = rmr.rmr_torcv_msg(MRC_RCV, sbuf_rcv, 2000)
+ rcv_summary = rmr.message_summary(sbuf_rcv)
+
+ # asserts
+ assert send_summary["message state"] == rcv_summary["message state"] == 0
+ assert send_summary["message status"] == rcv_summary["message status"] == "RMR_OK"
+ assert pre_send_summary["payload"] == rcv_summary["payload"] == pay
+ assert pre_send_summary["message type"] == rcv_summary["message type"] == test_mtype
+ assert pre_send_summary["subscription id"] == rcv_summary["subscription id"] == test_subid
+
+
+def test_send_rcv_subid_bad_subid():
+ """
+ test send and receive where subid is used for routing but nobody recieves this subid
+ """
+ sbuf_send = rmr.rmr_alloc_msg(MRC_SEND, 3, b"\x01\x00\x80", mtype=46656, sub_id=778)
+ sbuf_send = rmr.rmr_send_msg(MRC_SEND, sbuf_send)
+ assert rmr.message_summary(sbuf_send)["message state"] == 2
+ assert rmr.message_summary(sbuf_send)["message status"] == "RMR_ERR_NOENDPT"
+
+
+def test_send_rcv_subid_bad_mtype():
+ """
+ test send and receive where subid is used for routing but nobody recieves this mtype
+ """
+ sbuf_send = rmr.rmr_alloc_msg(MRC_SEND, 3, b"\x01\x00\x80", mtype=46657, sub_id=777)
+ sbuf_send = rmr.rmr_send_msg(MRC_SEND, sbuf_send)
+ assert rmr.message_summary(sbuf_send)["message state"] == 2
+ assert rmr.message_summary(sbuf_send)["message status"] == "RMR_ERR_NOENDPT"
+
+
+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, ms in enumerate(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_raw(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, (ms, sbuf) in enumerate(bundle): # test the raw version
+ test_summary = rmr.message_summary(sbuf)
+ assert test_summary == ms
+ 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
+ rmr.rmr_free_msg(sbuf)
+
+
+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_resize_payload():
+ """test the ability to insert a larger payload into an existing message"""
+ mtype = 99
+ subid = 100
+
+ mbuf = rmr.rmr_alloc_msg(MRC_SEND, 25) # allocate buffer with small payload
+ mbuf.contents.mtype = mtype # type and sub-id should not change
+ mbuf.contents.sub_id = subid
+
+ long_payload = b"This is a long payload that should force the message buffer to be reallocated"
+ rmr.set_payload_and_length(long_payload, mbuf)
+ summary = rmr.message_summary(mbuf)
+ assert summary["payload max size"] >= len(long_payload) # RMR may allocate a larger payload space
+ assert summary["payload length"] == len(long_payload) # however, the length must be exactly the same
+ assert summary["message type"] == mtype # both mtype and sub-id should be preserved in new
+ assert summary["subscription id"] == subid