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#!/usr/bin/env python
#
# Copyright 2020 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#
"""Unit tests for ZMQ PULL Message Source block"""
import time
import zmq
from gnuradio import gr, gr_unittest, blocks, zeromq
import pmt
class qa_zeromq_pull_msg_source(gr_unittest.TestCase):
"""Unit tests for ZMQ PULL Message Source block"""
def setUp(self):
addr = 'tcp://127.0.0.1'
self.context = zmq.Context()
self.zmq_sock = self.context.socket(zmq.PUSH)
port = self.zmq_sock.bind_to_random_port(addr)
self.zeromq_pull_msg_source = zeromq.pull_msg_source(
('%s:%s' % (addr, port)), 100)
self.message_debug = blocks.message_debug()
self.tb = gr.top_block()
self.tb.msg_connect(
(self.zeromq_pull_msg_source, 'out'), (self.message_debug, 'store'))
self.tb.start()
time.sleep(0.1)
def tearDown(self):
self.tb.stop()
self.tb.wait()
self.zeromq_pull_msg_source = None
self.message_debug = None
self.tb = None
self.zmq_sock.close()
self.context.term()
def test_valid_pmt(self):
"""Test receiving of valid PMT messages"""
msg = pmt.to_pmt('test_valid_pmt')
self.zmq_sock.send(pmt.serialize_str(msg))
for _ in range(10):
if self.message_debug.num_messages() > 0:
break
time.sleep(0.2)
self.assertEqual(1, self.message_debug.num_messages())
self.assertTrue(pmt.equal(msg, self.message_debug.get_message(0)))
def test_invalid_pmt(self):
"""Test receiving of invalid PMT messages"""
self.zmq_sock.send_string('test_invalid_pmt')
time.sleep(0.1)
self.assertEqual(0, self.message_debug.num_messages())
if __name__ == '__main__':
gr_unittest.run(qa_zeromq_pull_msg_source)
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