openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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#!/usr/bin/env python3
import os
import time
import unittest
from cereal import log
from openpilot.common.params import Params
from datetime import datetime
from unittest import mock
from laika.constants import SECS_IN_DAY
from laika.downloader import DownloadFailed
from laika.ephemeris import EphemerisType
from laika.gps_time import GPSTime
from laika.helpers import ConstellationId
from laika.raw_gnss import GNSSMeasurement, read_raw_ublox, read_raw_qcom
from openpilot.selfdrive.locationd.laikad import EPHEMERIS_CACHE, Laikad
from openpilot.selfdrive.test.openpilotci import get_url
from openpilot.tools.lib.logreader import LogReader
from openpilot.selfdrive.test.process_replay.process_replay import get_process_config, replay_process
from openpilot.selfdrive.test.helpers import SKIP_ENV_VAR
GPS_TIME_PREDICTION_ORBITS_RUSSIAN_SRC = GPSTime.from_datetime(datetime(2022, month=1, day=29, hour=12))
UBLOX_TEST_ROUTE = "4cf7a6ad03080c90|2021-09-29--13-46-36"
QCOM_TEST_ROUTE = "616dc83ca1f7f11e|2023-07-11--10-52-31"
def get_log_ublox():
logs = LogReader(get_url(UBLOX_TEST_ROUTE, 0))
ublox_cfg = get_process_config("ubloxd")
all_logs = replay_process(ublox_cfg, logs)
low_gnss = []
for m in all_logs:
if m.which() != "ubloxGnss" or m.ubloxGnss.which() != 'measurementReport':
continue
MAX_MEAS = 7
if m.ubloxGnss.measurementReport.numMeas > MAX_MEAS:
mb = log.Event.new_message(ubloxGnss=m.ubloxGnss.to_dict())
mb.logMonoTime = m.logMonoTime
mb.ubloxGnss.measurementReport.numMeas = MAX_MEAS
mb.ubloxGnss.measurementReport.measurements = list(m.ubloxGnss.measurementReport.measurements)[:MAX_MEAS]
mb.ubloxGnss.measurementReport.measurements[0].pseudorange += 1000
low_gnss.append(mb.as_reader())
else:
low_gnss.append(m)
return all_logs, low_gnss
def get_log_qcom():
logs = LogReader(get_url(QCOM_TEST_ROUTE, 0))
all_logs = [m for m in logs if m.which() == 'qcomGnss']
return all_logs
def verify_messages(lr, laikad, return_one_success=False):
good_msgs = []
for m in lr:
if m.which() == 'ubloxGnss':
gnss_msg = m.ubloxGnss
elif m.which() == 'qcomGnss':
gnss_msg = m.qcomGnss
else:
continue
msg = laikad.process_gnss_msg(gnss_msg, m.logMonoTime, block=True)
if msg is not None and len(msg.gnssMeasurements.correctedMeasurements) > 0:
good_msgs.append(msg)
if return_one_success:
return msg
return good_msgs
def get_first_gps_time(logs):
for m in logs:
if m.which() == 'ubloxGnss':
if m.ubloxGnss.which == 'measurementReport':
new_meas = read_raw_ublox(m.ubloxGnss.measurementReport)
if len(new_meas) > 0:
return new_meas[0].recv_time
elif m.which() == "qcomGnss":
if m.qcomGnss.which == 'measurementReport':
new_meas = read_raw_qcom(m.qcomGnss.measurementReport)
if len(new_meas) > 0:
return new_meas[0].recv_time
def get_measurement_mock(gpstime, sat_ephemeris):
meas = GNSSMeasurement(ConstellationId.GPS, 1, gpstime.week, gpstime.tow, {'C1C': 0., 'D1C': 0.}, {'C1C': 0., 'D1C': 0.})
# Fake measurement being processed
meas.observables_final = meas.observables
meas.sat_ephemeris = sat_ephemeris
return meas
@unittest.skipIf(SKIP_ENV_VAR in os.environ, f"Laika test skipped since it's long and not currently used. Unset {SKIP_ENV_VAR} to run")
class TestLaikad(unittest.TestCase):
@classmethod
def setUpClass(cls):
logs, low_gnss = get_log_ublox()
cls.logs = logs
cls.low_gnss = low_gnss
cls.logs_qcom = get_log_qcom()
first_gps_time = get_first_gps_time(logs)
cls.first_gps_time = first_gps_time
def setUp(self):
Params().remove(EPHEMERIS_CACHE)
def test_fetch_navs_non_blocking(self):
gpstime = GPSTime.from_datetime(datetime(2021, month=3, day=1))
laikad = Laikad()
laikad.fetch_navs(gpstime, block=False)
laikad.orbit_fetch_future.result(30)
# Get results and save orbits to laikad:
laikad.fetch_navs(gpstime, block=False)
ephem = laikad.astro_dog.navs['G01'][0]
self.assertIsNotNone(ephem)
laikad.fetch_navs(gpstime+2*SECS_IN_DAY, block=False)
laikad.orbit_fetch_future.result(30)
# Get results and save orbits to laikad:
laikad.fetch_navs(gpstime + 2 * SECS_IN_DAY, block=False)
ephem2 = laikad.astro_dog.navs['G01'][0]
self.assertIsNotNone(ephem)
self.assertNotEqual(ephem, ephem2)
def test_fetch_navs_with_wrong_clocks(self):
laikad = Laikad()
def check_has_navs():
self.assertGreater(len(laikad.astro_dog.navs), 0)
ephem = laikad.astro_dog.navs['G01'][0]
self.assertIsNotNone(ephem)
real_current_time = GPSTime.from_datetime(datetime(2021, month=3, day=1))
wrong_future_clock_time = real_current_time + SECS_IN_DAY
laikad.fetch_navs(wrong_future_clock_time, block=True)
check_has_navs()
self.assertEqual(laikad.last_fetch_navs_t, wrong_future_clock_time)
# Test fetching orbits with earlier time
assert real_current_time < laikad.last_fetch_navs_t
laikad.astro_dog.orbits = {}
laikad.fetch_navs(real_current_time, block=True)
check_has_navs()
self.assertEqual(laikad.last_fetch_navs_t, real_current_time)
def test_laika_online(self):
laikad = Laikad(auto_update=True, valid_ephem_types=EphemerisType.ULTRA_RAPID_ORBIT)
correct_msgs = verify_messages(self.logs, laikad)
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_kf_becomes_valid(self):
laikad = Laikad(auto_update=False)
m = self.logs[0]
self.assertFalse(all(laikad.kf_valid(m.logMonoTime * 1e-9)))
kf_valid = False
for m in self.logs:
if m.which() != 'ubloxGnss':
continue
laikad.process_gnss_msg(m.ubloxGnss, m.logMonoTime, block=True)
kf_valid = all(laikad.kf_valid(m.logMonoTime * 1e-9))
if kf_valid:
break
self.assertTrue(kf_valid)
def test_laika_online_nav_only(self):
for use_qcom, logs in zip([True, False], [self.logs_qcom, self.logs], strict=True):
laikad = Laikad(auto_update=True, valid_ephem_types=EphemerisType.NAV, use_qcom=use_qcom)
# Disable fetch_orbits to test NAV only
correct_msgs = verify_messages(logs, laikad)
correct_msgs_expected = 55 if use_qcom else 560
valid_fix_expected = 55 if use_qcom else 560
self.assertEqual(correct_msgs_expected, len(correct_msgs))
self.assertEqual(valid_fix_expected, len([m for m in correct_msgs if m.gnssMeasurements.positionECEF.valid]))
@mock.patch('laika.downloader.download_and_cache_file')
def test_laika_offline(self, downloader_mock):
downloader_mock.side_effect = DownloadFailed("Mock download failed")
laikad = Laikad(auto_update=False)
laikad.fetch_navs(GPS_TIME_PREDICTION_ORBITS_RUSSIAN_SRC, block=True)
@mock.patch('laika.downloader.download_and_cache_file')
def test_download_failed_russian_source(self, downloader_mock):
downloader_mock.side_effect = DownloadFailed
laikad = Laikad(auto_update=False)
correct_msgs = verify_messages(self.logs, laikad)
expected_msgs = 376
self.assertEqual(expected_msgs, len(correct_msgs))
self.assertEqual(expected_msgs, len([m for m in correct_msgs if m.gnssMeasurements.positionECEF.valid]))
def test_laika_get_orbits(self):
laikad = Laikad(auto_update=False)
# Pretend process has loaded the orbits on startup by using the time of the first gps message.
laikad.fetch_navs(self.first_gps_time, block=True)
self.dict_has_values(laikad.astro_dog.navs)
@unittest.skip("Use to debug live data")
def test_laika_get_navs_now(self):
laikad = Laikad(auto_update=False)
laikad.fetch_navs(GPSTime.from_datetime(datetime.utcnow()), block=True)
prn = "G01"
self.assertGreater(len(laikad.astro_dog.navs[prn]), 0)
prn = "R01"
self.assertGreater(len(laikad.astro_dog.navs[prn]), 0)
def test_get_navs_in_process(self):
for auto_fetch_navs in [True, False]:
for use_qcom, logs in zip([True, False], [self.logs_qcom, self.logs], strict=True):
laikad = Laikad(auto_update=False, use_qcom=use_qcom, auto_fetch_navs=auto_fetch_navs)
has_navs = False
has_fix = False
seen_chip_eph = False
seen_internet_eph = False
for m in logs:
if m.which() != 'ubloxGnss' and m.which() != 'qcomGnss':
continue
gnss_msg = m.qcomGnss if use_qcom else m.ubloxGnss
out_msg = laikad.process_gnss_msg(gnss_msg, m.logMonoTime, block=False)
if laikad.orbit_fetch_future is not None:
laikad.orbit_fetch_future.result()
vals = laikad.astro_dog.navs.values()
has_navs = len(vals) > 0 and max([len(v) for v in vals]) > 0
vals = laikad.astro_dog.qcom_polys.values()
has_polys = len(vals) > 0 and max([len(v) for v in vals]) > 0
has_fix = has_fix or out_msg.gnssMeasurements.positionECEF.valid
if len(out_msg.gnssMeasurements.ephemerisStatuses):
seen_chip_eph = seen_chip_eph or any(x.source == 'gnssChip' for x in out_msg.gnssMeasurements.ephemerisStatuses)
seen_internet_eph = seen_internet_eph or any(x.source == 'internet' for x in out_msg.gnssMeasurements.ephemerisStatuses)
self.assertTrue(has_navs or has_polys)
self.assertTrue(has_fix)
self.assertTrue(seen_chip_eph or auto_fetch_navs)
self.assertTrue(seen_internet_eph or not auto_fetch_navs)
self.assertEqual(len(laikad.astro_dog.navs_fetched_times._ranges), 0)
self.assertEqual(None, laikad.orbit_fetch_future)
def test_cache(self):
use_qcom = True
for use_qcom, logs in zip([True, False], [self.logs_qcom, self.logs], strict=True):
Params().remove(EPHEMERIS_CACHE)
laikad = Laikad(auto_update=True, save_ephemeris=True, use_qcom=use_qcom)
def wait_for_cache():
max_time = 2
while Params().get(EPHEMERIS_CACHE) is None:
time.sleep(0.1)
max_time -= 0.1
if max_time < 0:
self.fail("Cache has not been written after 2 seconds")
# Test cache with no ephemeris
laikad.last_report_time = GPSTime(1,0)
laikad.cache_ephemeris()
if Params().get(EPHEMERIS_CACHE) is not None:
self.fail("Cache should not have been written without valid ephem")
#laikad.astro_dog.get_navs(self.first_gps_time)
msg = verify_messages(logs, laikad, return_one_success=True)
laikad.cache_ephemeris()
wait_for_cache()
# Check both nav and orbits separate
laikad = Laikad(auto_update=False, valid_ephem_types=EphemerisType.NAV,
save_ephemeris=True, use_qcom=use_qcom, auto_fetch_navs=False)
# Verify navs are loaded from cache
self.dict_has_values(laikad.astro_dog.navs)
# Verify cache is working for only nav by running a segment
msg = verify_messages(logs, laikad, return_one_success=True)
self.assertTrue(len(msg.gnssMeasurements.ephemerisStatuses))
self.assertTrue(any(x.source=='cache' for x in msg.gnssMeasurements.ephemerisStatuses))
self.assertIsNotNone(msg)
#TODO test cache with only orbits
#with patch('selfdrive.locationd.laikad.get_orbit_data', return_value=None) as mock_method:
# # Verify no orbit downloads even if orbit fetch times is reset since the cache has recently been saved and we don't want to download high frequently
# laikad.astro_dog.orbit_fetched_times = TimeRangeHolder()
# laikad.fetch_navs(self.first_gps_time, block=False)
# mock_method.assert_not_called()
# # Verify cache is working for only orbits by running a segment
# laikad = Laikad(auto_update=False, valid_ephem_types=EphemerisType.ULTRA_RAPID_ORBIT, save_ephemeris=True)
# msg = verify_messages(self.logs, laikad, return_one_success=True)
# self.assertIsNotNone(msg)
# # Verify orbit data is not downloaded
# mock_method.assert_not_called()
#break
def test_low_gnss_meas(self):
cnt = 0
laikad = Laikad()
for m in self.low_gnss:
msg = laikad.process_gnss_msg(m.ubloxGnss, m.logMonoTime, block=True)
if msg is None:
continue
gm = msg.gnssMeasurements
if len(gm.correctedMeasurements) != 0 and gm.positionECEF.valid:
cnt += 1
self.assertEqual(cnt, 560)
def dict_has_values(self, dct):
self.assertGreater(len(dct), 0)
self.assertGreater(min([len(v) for v in dct.values()]), 0)
if __name__ == "__main__":
unittest.main()