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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 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_head_tail
class qa_pdu_head_tail(gr_unittest.TestCase):
def test_pdu_head_tail(self):
for mode in range(4):
with self.subTest(mode=mode):
self.run_mode(mode)
def run_mode(self, mode):
tb = gr.top_block()
dbg = blocks.message_debug()
num = 10
sizes = [15, 8]
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]
head_tail = pdu_head_tail(mode, num)
tb.msg_connect((head_tail, 'out'), (dbg, 'store'))
for pdu in pdus:
head_tail.to_basic_block()._post(pmt.intern('in'), pdu)
head_tail.to_basic_block()._post(
pmt.intern('system'),
pmt.cons(pmt.intern('done'), pmt.from_long(1)))
tb.start()
tb.wait()
for j, msg in enumerate(msgs):
out = pmt.u8vector_elements(pmt.cdr(dbg.get_message(j)))
if mode == 0:
expected = msg[:num]
elif mode == 1:
expected = msg[:-num]
elif mode == 2:
expected = msg[-num:]
elif mode == 3:
expected = msg[num:]
else:
raise ValueError('Invalid mode')
self.assertEqual(
out, expected,
"PDU head/tail output does not match expected value")
if __name__ == '__main__':
gr_unittest.run(qa_pdu_head_tail)
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