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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2020 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 pmt
import numpy as np
# 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 kiss_to_pdu, pdu_to_kiss
from satellites.grtypes import byte_t
class qa_kiss(gr_unittest.TestCase):
def setUp(self):
self.tb = gr.top_block()
def tearDown(self):
self.tb = None
def test_encoder_decoder(self):
"""Connects a PDU to KISS and KISS to PDU and sends PDUs through"""
pdu2kiss = pdu_to_kiss(include_timestamp=True)
kiss2pdu = kiss_to_pdu()
pdu2tag = blocks.pdu_to_tagged_stream(byte_t)
dbg = blocks.message_debug()
self.tb.connect(pdu2tag, kiss2pdu)
self.tb.msg_connect((pdu2kiss, 'out'), (pdu2tag, 'pdus'))
self.tb.msg_connect((kiss2pdu, 'out'), (dbg, 'store'))
test_size = 150
test_number_frames = 7
test_data = [np.random.randint(0, 256, test_size, dtype='uint8')
for _ in range(test_number_frames)]
for td in test_data:
test_frame = pmt.cons(pmt.PMT_NIL,
pmt.init_u8vector(test_size, td))
pdu2kiss.to_basic_block()._post(pmt.intern('in'), test_frame)
pdu2kiss.to_basic_block()._post(
pmt.intern('system'),
pmt.cons(pmt.intern('done'), pmt.from_long(1)))
self.tb.start()
self.tb.wait()
for j, td in enumerate(test_data):
result_data = pmt.u8vector_elements(pmt.cdr(dbg.get_message(j)))
np.testing.assert_equal(
td, result_data,
'KISS to PDU output does not match expected frame')
if __name__ == '__main__':
gr_unittest.run(qa_kiss)
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