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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2021 Daniel Estevez <daniel@destevez.net>
#
# This file is part of gr-satellites
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
from gnuradio import gr, blocks, gr_unittest
import numpy as np
import pmt
# bootstrap satellites module, even from build dir
try:
import python as satellites
except ImportError:
pass
else:
import sys
sys.modules['satellites'] = satellites
from satellites import pdu_length_filter
class qa_pdu_length_filter(gr_unittest.TestCase):
def test_pdu_length_filter(self):
tb = gr.top_block()
dbg = blocks.message_debug()
sizes = [25, 50, 100]
test_data = list(range(np.max(sizes)))
msgs = [test_data[:x] for x in sizes]
pdus = [pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(m), m))
for m in msgs]
length_filter = pdu_length_filter(40, 60)
tb.msg_connect((length_filter, 'out'), (dbg, 'store'))
for pdu in pdus:
length_filter.to_basic_block()._post(pmt.intern('in'), pdu)
length_filter.to_basic_block()._post(
pmt.intern('system'),
pmt.cons(pmt.intern('done'), pmt.from_long(1)))
tb.start()
tb.wait()
self.assertEqual(
dbg.num_messages(), 1,
'Incorrect number of messages passed by PDU Length Filter')
out = pmt.u8vector_elements(pmt.cdr(dbg.get_message(0)))
self.assertEqual(
len(out), 50,
'PDU Length Filter output does not match expected')
if __name__ == '__main__':
gr_unittest.run(qa_pdu_length_filter)
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