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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2014 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#
from gnuradio import gr, gr_unittest
from gnuradio import blocks, zeromq
from gnuradio import eng_notation
import numpy
import time
import zmq
class qa_zeromq_sub (gr_unittest.TestCase):
def setUp(self):
self.tb = gr.top_block()
self.zmq_context = zmq.Context()
self.pub_socket = self.zmq_context.socket(zmq.PUB)
self.pub_socket.bind("tcp://127.0.0.1:0")
self._address = self.pub_socket.getsockopt(zmq.LAST_ENDPOINT).decode()
def tearDown(self):
self.pub_socket.close()
self.zmq_context.term()
self.tb = None
def test_001(self):
vlen = 10
src_data = numpy.array(list(range(vlen)) * 100, 'float32')
zeromq_sub_source = zeromq.sub_source(
gr.sizeof_float, vlen, self._address)
sink = blocks.vector_sink_f(vlen)
self.tb.connect(zeromq_sub_source, sink)
self.tb.start()
time.sleep(0.05)
self.pub_socket.send(src_data.tostring())
time.sleep(0.5)
self.tb.stop()
self.tb.wait()
self.assertFloatTuplesAlmostEqual(sink.data(), src_data)
def test_002(self):
vlen = 10
# Construct multipart source data to publish
raw_data = [
numpy.array(
range(vlen),
'float32') *
100,
numpy.array(
range(
vlen,
2 *
vlen),
'float32') *
100]
src_data = [a.tostring() for a in raw_data]
zeromq_sub_source = zeromq.sub_source(
gr.sizeof_float, vlen, self._address)
sink = blocks.vector_sink_f(vlen)
self.tb.connect(zeromq_sub_source, sink)
self.tb.start()
time.sleep(0.05)
self.pub_socket.send_multipart(src_data)
time.sleep(0.5)
self.tb.stop()
self.tb.wait()
# Source block will concatenate everything together
expected_data = numpy.concatenate(raw_data)
self.assertFloatTuplesAlmostEqual(sink.data(), expected_data)
def test_003(self):
# Check that message is received when correct key is used
# Construct multipart source data to publish
vlen = 10
raw_data = [
numpy.array(
range(vlen),
'float32') *
100,
numpy.array(
range(
vlen,
2 *
vlen),
'float32') *
100]
src_data = [a.tostring() for a in raw_data]
src_data = [b"filter_key"] + src_data
zeromq_sub_source = zeromq.sub_source(
gr.sizeof_float, vlen, self._address, key="filter_key")
sink = blocks.vector_sink_f(vlen)
self.tb.connect(zeromq_sub_source, sink)
self.tb.start()
time.sleep(0.05)
self.pub_socket.send_multipart(src_data)
time.sleep(0.5)
self.tb.stop()
self.tb.wait()
# Source block will concatenate everything together
expected_data = numpy.concatenate(raw_data)
self.assertFloatTuplesAlmostEqual(sink.data(), expected_data)
def test_004(self):
# Test that no message is received when wrong key is used
vlen = 10
raw_data = [
numpy.array(
range(vlen),
'float32') *
100,
numpy.array(
range(
vlen,
2 *
vlen),
'float32') *
100]
src_data = [a.tostring() for a in raw_data]
src_data = [b"filter_key"] + src_data
zeromq_sub_source = zeromq.sub_source(
gr.sizeof_float, vlen, self._address, key="wrong_filter_key")
sink = blocks.vector_sink_f(vlen)
self.tb.connect(zeromq_sub_source, sink)
self.tb.start()
time.sleep(0.05)
self.pub_socket.send_multipart(src_data)
time.sleep(0.5)
self.tb.stop()
self.tb.wait()
assert(len(sink.data()) == 0)
if __name__ == '__main__':
gr_unittest.run(qa_zeromq_sub)
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