trx_toolkit/data_msg.py: rewrite unit tests to use unittest framework

Change-Id: Ia0cc7447b193a705e994078d16f3902339219916
This commit is contained in:
Vadim Yanitskiy 2019-12-13 23:54:56 +09:00 committed by laforge
parent f445db03c7
commit 5cee398277
2 changed files with 193 additions and 212 deletions

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@ -856,215 +856,3 @@ class DATAMSG_TRX2L1(DATAMSG):
msg.burst = self.sbit2ubit(self.burst)
return msg
# Regression test
if __name__ == '__main__':
import logging as log
# Configure logging
log.basicConfig(level = log.DEBUG,
format = "[%(levelname)s] %(filename)s:%(lineno)d %(message)s")
log.info("Generating the reference messages")
# Create messages of both types
msg_l12trx_ref = DATAMSG_L12TRX()
msg_trx2l1_ref = DATAMSG_TRX2L1()
# Validate header randomization
for i in range(0, 100):
msg_l12trx_ref.rand_hdr()
msg_trx2l1_ref.rand_hdr()
msg_l12trx_ref.rand_burst()
msg_trx2l1_ref.rand_burst()
msg_l12trx_ref.validate()
msg_trx2l1_ref.validate()
log.info("Validate header randomization: OK")
# Test error handling for common fields
msg = DATAMSG()
# Make sure that message validation throws a ValueError
def validate_throw(msg):
try:
msg.validate()
return False
except ValueError:
return True
# Unknown version
msg.rand_hdr()
msg.ver = 100
assert(validate_throw(msg))
# Uninitialized field
msg.rand_hdr()
msg.fn = None
assert(validate_throw(msg))
# Out-of-range value
msg.rand_hdr()
msg.tn = 10
assert(validate_throw(msg))
log.info("Check incorrect message validation: OK")
log.info("Encoding the reference messages")
# Encode DATA messages
l12trx_raw = msg_l12trx_ref.gen_msg()
trx2l1_raw = msg_trx2l1_ref.gen_msg()
# Encode a TRX2L1 message in legacy mode
trx2l1_raw_legacy = msg_trx2l1_ref.gen_msg(legacy = True)
log.info("Parsing generated messages back")
# Parse generated DATA messages
msg_l12trx_dec = DATAMSG_L12TRX()
msg_trx2l1_dec = DATAMSG_TRX2L1()
msg_l12trx_dec.parse_msg(l12trx_raw)
msg_trx2l1_dec.parse_msg(trx2l1_raw)
# Parse generated TRX2L1 message in legacy mode
msg_trx2l1_legacy_dec = DATAMSG_TRX2L1()
msg_trx2l1_legacy_dec.parse_msg(trx2l1_raw_legacy)
log.info("Comparing decoded messages with the reference")
# Compare bursts
assert(msg_l12trx_dec.burst == msg_l12trx_ref.burst)
assert(msg_trx2l1_dec.burst == msg_trx2l1_ref.burst)
assert(msg_trx2l1_legacy_dec.burst == msg_trx2l1_ref.burst)
log.info("Compare bursts: OK")
# Compare both parsed messages with the reference data
assert(msg_l12trx_dec.fn == msg_l12trx_ref.fn)
assert(msg_trx2l1_dec.fn == msg_trx2l1_ref.fn)
assert(msg_l12trx_dec.tn == msg_l12trx_ref.tn)
assert(msg_trx2l1_dec.tn == msg_trx2l1_ref.tn)
log.info("Compare FN / TN: OK")
# Compare message specific parts
assert(msg_trx2l1_dec.rssi == msg_trx2l1_ref.rssi)
assert(msg_l12trx_dec.pwr == msg_l12trx_ref.pwr)
assert(msg_trx2l1_dec.toa256 == msg_trx2l1_ref.toa256)
log.info("Compare message specific data: OK")
# Bit conversation test
usbits_ref = list(range(0, 256))
sbits_ref = list(range(-127, 128))
# Test both usbit2sbit() and sbit2usbit()
sbits = DATAMSG.usbit2sbit(usbits_ref)
usbits = DATAMSG.sbit2usbit(sbits)
assert(usbits[:255] == usbits_ref[:255])
assert(usbits[255] == 254)
log.info("Check both usbit2sbit() and sbit2usbit(): OK")
# Test both sbit2ubit() and ubit2sbit()
ubits = DATAMSG.sbit2ubit(sbits_ref)
assert(ubits == ([1] * 127 + [0] * 128))
sbits = DATAMSG.ubit2sbit(ubits)
assert(sbits == ([-127] * 127 + [127] * 128))
log.info("Check both sbit2ubit() and ubit2sbit(): OK")
# Test message transformation
msg_l12trx_dec = msg_trx2l1_ref.gen_l12trx()
msg_trx2l1_dec = msg_l12trx_ref.gen_trx2l1()
assert(msg_l12trx_dec.fn == msg_trx2l1_ref.fn)
assert(msg_l12trx_dec.tn == msg_trx2l1_ref.tn)
assert(msg_trx2l1_dec.fn == msg_l12trx_ref.fn)
assert(msg_trx2l1_dec.tn == msg_l12trx_ref.tn)
assert(msg_l12trx_dec.burst == DATAMSG.sbit2ubit(msg_trx2l1_ref.burst))
assert(msg_trx2l1_dec.burst == DATAMSG.ubit2sbit(msg_l12trx_ref.burst))
log.info("Check L12TRX <-> TRX2L1 type transformations: OK")
# Test header version coding
for ver in DATAMSG.known_versions:
# Create messages of both types
msg_l12trx = DATAMSG_L12TRX(ver = ver)
msg_trx2l1 = DATAMSG_TRX2L1(ver = ver)
# Randomize message specific headers
msg_l12trx.rand_hdr()
msg_trx2l1.rand_hdr()
# Randomize bursts
msg_l12trx.rand_burst()
msg_trx2l1.rand_burst()
# Encode DATA messages
msg_l12trx_enc = msg_l12trx.gen_msg()
msg_trx2l1_enc = msg_trx2l1.gen_msg()
# Parse generated DATA messages
msg_l12trx_dec = DATAMSG_L12TRX()
msg_trx2l1_dec = DATAMSG_TRX2L1()
msg_l12trx_dec.parse_msg(msg_l12trx_enc)
msg_trx2l1_dec.parse_msg(msg_trx2l1_enc)
# Match the header version
assert(msg_l12trx_dec.ver == ver)
assert(msg_trx2l1_dec.ver == ver)
# Match common TDMA fields
assert(msg_l12trx_dec.tn == msg_l12trx.tn)
assert(msg_trx2l1_dec.fn == msg_trx2l1.fn)
# Match version specific fields
if msg_trx2l1.ver >= 0x01:
assert(msg_trx2l1_dec.nope_ind == msg_trx2l1.nope_ind)
assert(msg_trx2l1_dec.mod_type == msg_trx2l1.mod_type)
assert(msg_trx2l1_dec.tsc_set == msg_trx2l1.tsc_set)
assert(msg_trx2l1_dec.tsc == msg_trx2l1.tsc)
assert(msg_trx2l1_dec.ci == msg_trx2l1.ci)
log.info("Check header version %u coding: OK" % ver)
# Compare bursts
assert(msg_l12trx_dec.burst == msg_l12trx.burst)
assert(msg_trx2l1_dec.burst == msg_trx2l1.burst)
msg_trx2l1_gen = msg_l12trx.gen_trx2l1()
msg_l12trx_gen = msg_trx2l1.gen_l12trx()
assert(msg_trx2l1_gen is not None)
assert(msg_l12trx_gen is not None)
# Match the header version
assert(msg_trx2l1_gen.ver == ver)
assert(msg_l12trx_gen.ver == ver)
# Match common TDMA fields
assert(msg_trx2l1_gen.tn == msg_l12trx.tn)
assert(msg_l12trx_gen.fn == msg_trx2l1.fn)
log.info("Verify version %u direct transformation: OK" % ver)
# Verify NOPE indication coding
if msg_trx2l1.ver >= 0x01:
msg_trx2l1 = DATAMSG_TRX2L1(ver = ver)
msg_trx2l1.nope_ind = True
msg_trx2l1.rand_hdr()
msg_trx2l1_dec = DATAMSG_TRX2L1()
msg_trx2l1_dec.parse_msg(msg_trx2l1.gen_msg())
assert(msg_trx2l1.nope_ind == msg_trx2l1_dec.nope_ind)
assert(msg_trx2l1.burst == msg_trx2l1_dec.burst)
log.info("Verify version %u NOPE indication coding: OK" % ver)

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@ -0,0 +1,193 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# TRX Toolkit
# Unit test for TRXD message codec
#
# (C) 2019 by Vadim Yanitskiy <axilirator@gmail.com>
#
# All Rights Reserved
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import unittest
from data_msg import DATAMSG, DATAMSG_L12TRX, DATAMSG_TRX2L1
class DATAMSG_Test(unittest.TestCase):
# Compare message a with message b
def _compare_msg(self, a, b):
# Make sure we're comparing messages of the same type
self.assertEqual(a.__class__, b.__class__)
# Compare common header fields
self.assertEqual(a.ver, b.ver)
self.assertEqual(a.fn, b.fn)
self.assertEqual(a.tn, b.tn)
# Burst bits (if present)
self.assertEqual(a.burst, b.burst)
# TRX2L1 specific fields
if isinstance(a, DATAMSG_L12TRX):
self.assertEqual(a.pwr, b.pwr)
# L12TRX specific fields
if isinstance(a, DATAMSG_TRX2L1):
# Version independent fields
self.assertEqual(a.toa256, b.toa256)
self.assertEqual(a.rssi, b.rssi)
# Version specific fields
if a.ver >= 1:
self.assertEqual(a.nope_ind, b.nope_ind)
self.assertEqual(a.mod_type, b.mod_type)
self.assertEqual(a.tsc_set, b.tsc_set)
self.assertEqual(a.tsc, b.tsc)
self.assertEqual(a.ci, b.ci)
# Make sure that message validation throws a ValueError
def test_validate(self):
# Unknown version
with self.assertRaises(ValueError):
msg = DATAMSG(fn = 0, tn = 0, ver = 100)
msg.validate()
# Uninitialized field
with self.assertRaises(ValueError):
msg = DATAMSG()
msg.validate()
with self.assertRaises(ValueError):
msg = DATAMSG(fn = None, tn = 0)
msg.validate()
# Out-of-range value(s)
with self.assertRaises(ValueError):
msg = DATAMSG(fn = -1, tn = 0)
msg.validate()
with self.assertRaises(ValueError):
msg = DATAMSG(fn = 0, tn = 10)
msg.validate()
# Validate header and burst randomization
def test_rand_hdr_burst(self):
msg_l12trx = DATAMSG_L12TRX()
msg_trx2l1 = DATAMSG_TRX2L1()
for i in range(100):
msg_l12trx.rand_burst()
msg_trx2l1.rand_burst()
msg_l12trx.rand_hdr()
msg_trx2l1.rand_hdr()
msg_l12trx.validate()
msg_trx2l1.validate()
def _test_enc_dec(self, msg, legacy = False, nope_ind = False):
# Prepare a given message (randomize)
msg.rand_hdr()
# NOPE.ind contains no burst
if not nope_ind:
msg.rand_burst()
else:
msg.nope_ind = True
msg.mod_type = None
msg.tsc_set = None
msg.tsc = None
# Encode a given message to bytes
msg_enc = msg.gen_msg(legacy)
# Decode a new message from bytes
msg_dec = msg.__class__()
msg_dec.parse_msg(msg_enc)
# Compare decoded vs the original
self._compare_msg(msg, msg_dec)
# Validate encoding and decoding
def test_enc_dec(self):
for ver in DATAMSG.known_versions:
with self.subTest("L1 -> TRX message", ver = ver):
msg = DATAMSG_L12TRX(ver = ver)
self._test_enc_dec(msg)
with self.subTest("TRX -> L1 message", ver = ver):
msg = DATAMSG_TRX2L1(ver = ver)
self._test_enc_dec(msg)
if ver >= 1:
with self.subTest("TRX -> L1 NOPE.ind", ver = ver):
msg = DATAMSG_TRX2L1(ver = ver)
self._test_enc_dec(msg, nope_ind = True)
with self.subTest("TRX -> L1 message (legacy)"):
msg = DATAMSG_TRX2L1(ver = 0)
self._test_enc_dec(msg, legacy = True)
# Validate bit conversations
def test_bit_conv(self):
usbits_ref = list(range(0, 256))
sbits_ref = list(range(-127, 128))
# Test both usbit2sbit() and sbit2usbit()
sbits = DATAMSG.usbit2sbit(usbits_ref)
usbits = DATAMSG.sbit2usbit(sbits)
self.assertEqual(usbits[:255], usbits_ref[:255])
self.assertEqual(usbits[255], 254)
# Test both sbit2ubit() and ubit2sbit()
ubits = DATAMSG.sbit2ubit(sbits_ref)
self.assertEqual(ubits, ([1] * 127 + [0] * 128))
sbits = DATAMSG.ubit2sbit(ubits)
self.assertEqual(sbits, ([-127] * 127 + [127] * 128))
def _test_transform(self, msg):
# Prepare given messages
msg.rand_hdr()
msg.rand_burst()
# Perform message transformation
if isinstance(msg, DATAMSG_L12TRX):
msg_trans = msg.gen_trx2l1()
else:
msg_trans = msg.gen_l12trx()
self.assertEqual(msg_trans.ver, msg.ver)
self.assertEqual(msg_trans.fn, msg.fn)
self.assertEqual(msg_trans.tn, msg.tn)
if isinstance(msg, DATAMSG_TRX2L1):
burst = DATAMSG.sbit2ubit(msg.burst)
self.assertEqual(msg_trans.burst, burst)
else:
burst = DATAMSG.ubit2sbit(msg.burst)
self.assertEqual(msg_trans.burst, burst)
# Validate message transformation
def test_transform(self):
for ver in DATAMSG.known_versions:
with self.subTest("L1 -> TRX message", ver = ver):
msg = DATAMSG_L12TRX(ver = ver)
self._test_transform(msg)
with self.subTest("TRX -> L1 message", ver = ver):
msg = DATAMSG_TRX2L1(ver = ver)
self._test_transform(msg)
if __name__ == '__main__':
unittest.main()