dragonpilot - 基於 openpilot 的開源駕駛輔助系統
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#!/usr/bin/env python3
import unittest
from datetime import datetime
from laika.gps_time import GPSTime
from laika.helpers import ConstellationId
from laika.raw_gnss import GNSSMeasurement
from selfdrive.locationd.laikad import Laikad, create_measurement_msg
from selfdrive.test.openpilotci import get_url
from tools.lib.logreader import LogReader
def get_log(segs=range(0)):
logs = []
for i in segs:
logs.extend(LogReader(get_url("4cf7a6ad03080c90|2021-09-29--13-46-36", i)))
return [m for m in logs if m.which() == 'ubloxGnss']
def process_msgs(lr, laikad: Laikad):
good_msgs = []
for m in lr:
msg = laikad.process_ublox_msg(m.ubloxGnss, m.logMonoTime)
if msg is not None:
good_msgs.append(msg)
return good_msgs
class TestLaikad(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.logs = get_log(range(1))
def test_create_msg_without_errors(self):
gpstime = GPSTime.from_datetime(datetime.now())
meas = GNSSMeasurement(ConstellationId.GPS, 1, gpstime.week, gpstime.tow, {'C1C': 0., 'D1C': 0.}, {'C1C': 0., 'D1C': 0.})
# Fake observables_final to be correct
meas.observables_final = meas.observables
msg = create_measurement_msg(meas)
self.assertEqual(msg.constellationId, 'gps')
def test_laika_online(self):
# Set to offline forces to use ephemeris messages
laikad = Laikad(use_internet=True)
msgs = process_msgs(self.logs, laikad)
correct_msgs = [m for m in msgs if len(m.gnssMeasurements.correctedMeasurements) > 0]
correct_msgs_expected = 560
self.assertEqual(correct_msgs_expected, len(correct_msgs))
self.assertEqual(correct_msgs_expected, len([m for m in correct_msgs if m.gnssMeasurements.positionECEF.valid]))
def test_laika_offline(self):
# Set to offline forces to use ephemeris messages
laikad = Laikad(use_internet=False)
msgs = process_msgs(self.logs, laikad)
correct_msgs = [m for m in msgs if len(m.gnssMeasurements.correctedMeasurements) > 0]
self.assertEqual(256, len(correct_msgs))
self.assertEqual(256, len([m for m in correct_msgs if m.gnssMeasurements.positionECEF.valid]))
def test_laika_offline_ephem_at_start(self):
# Test offline but process ephemeris msgs of segment first
laikad = Laikad(use_internet=False)
ephemeris_logs = [m for m in self.logs if m.ubloxGnss.which() == 'ephemeris']
msgs = process_msgs(ephemeris_logs+self.logs, laikad)
correct_msgs = [m for m in msgs if len(m.gnssMeasurements.correctedMeasurements) > 0]
self.assertEqual(554, len(correct_msgs))
self.assertGreaterEqual(554, len([m for m in correct_msgs if m.gnssMeasurements.positionECEF.valid]))
if __name__ == "__main__":
unittest.main()