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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2014 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
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://127.0.0.1:5555")
def tearDown (self):
self.pub_socket.close()
self.zmq_context.term()
self.tb = None
def test_001 (self):
vlen = 10
src_data = numpy.array(range(vlen)*100, 'float32')
zeromq_sub_source = zeromq.sub_source(gr.sizeof_float, vlen, "tcp://127.0.0.1:5555")
sink = blocks.vector_sink_f(vlen)
self.tb.connect(zeromq_sub_source, sink)
self.tb.start()
self.pub_socket.send(src_data.tostring())
time.sleep(0.25)
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)*100, 'float32'), numpy.array(range(vlen, 2*vlen)*100, 'float32')]
src_data = [a.tostring() for a in raw_data]
zeromq_sub_source = zeromq.sub_source(gr.sizeof_float, vlen, "tcp://127.0.0.1:5555")
sink = blocks.vector_sink_f(vlen)
self.tb.connect(zeromq_sub_source, sink)
self.tb.start()
self.pub_socket.send_multipart(src_data)
time.sleep(0.25)
self.tb.stop()
self.tb.wait()
# Source block will concatenate everything together
expected_data = numpy.concatenate(raw_data)
self.assertFloatTuplesAlmostEqual(sink.data(), expected_data)
if __name__ == '__main__':
gr_unittest.run(qa_zeromq_sub)
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