#!/usr/bin/env python3 import time import unittest from collections import defaultdict from datetime import datetime from unittest import mock from unittest.mock import patch from common.params import Params from laika.constants import SECS_IN_DAY from laika.downloader import DownloadFailed from laika.ephemeris import EphemerisType, GPSEphemeris from laika.gps_time import GPSTime from laika.helpers import ConstellationId, TimeRangeHolder from laika.raw_gnss import GNSSMeasurement, read_raw_ublox from selfdrive.locationd.laikad import EPHEMERIS_CACHE, EphemerisSourceType, 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))) all_logs = [m for m in logs if m.which() == 'ubloxGnss'] low_gnss = [] for m in all_logs: if m.ubloxGnss.which() != 'measurementReport': continue MAX_MEAS = 7 if m.ubloxGnss.measurementReport.numMeas > MAX_MEAS: mb = m.as_builder() 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 verify_messages(lr, laikad, return_one_success=False): good_msgs = [] for m in lr: msg = laikad.process_gnss_msg(m.ubloxGnss, 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.ubloxGnss.which == 'measurementReport': new_meas = read_raw_ublox(m.ubloxGnss.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 GPS_TIME_PREDICTION_ORBITS_RUSSIAN_SRC = GPSTime.from_datetime(datetime(2022, month=1, day=29, hour=12)) class TestLaikad(unittest.TestCase): @classmethod def setUpClass(cls): logs, low_gnss = get_log(range(1)) cls.logs = logs cls.low_gnss = low_gnss 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_ephemeris_source_in_msg(self): data_mock = defaultdict(str) data_mock['sv_id'] = 1 gpstime = GPS_TIME_PREDICTION_ORBITS_RUSSIAN_SRC laikad = Laikad() laikad.fetch_navs(gpstime, block=True) meas = get_measurement_mock(gpstime, laikad.astro_dog.navs['R01'][0]) msg = create_measurement_msg(meas) self.assertEqual(msg.ephemerisSource.type.raw, EphemerisSourceType.nav) # Verify gps satellite returns same source meas = get_measurement_mock(gpstime, laikad.astro_dog.navs['R01'][0]) msg = create_measurement_msg(meas) self.assertEqual(msg.ephemerisSource.type.raw, EphemerisSourceType.nav) # Test nasa source by using older date gpstime = GPSTime.from_datetime(datetime(2021, month=3, day=1)) laikad = Laikad() laikad.fetch_navs(gpstime, block=True) meas = get_measurement_mock(gpstime, laikad.astro_dog.navs['G01'][0]) msg = create_measurement_msg(meas) self.assertEqual(msg.ephemerisSource.type.raw, EphemerisSourceType.nav) # Test nav source type ephem = GPSEphemeris(data_mock, gpstime) meas = get_measurement_mock(gpstime, ephem) msg = create_measurement_msg(meas) self.assertEqual(msg.ephemerisSource.type.raw, EphemerisSourceType.nav) 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 = 554 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: 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): laikad = Laikad(auto_update=True, valid_ephem_types=EphemerisType.NAV) # Disable fetch_orbits to test NAV only correct_msgs = verify_messages(self.logs, laikad) correct_msgs_expected = 554 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])) @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) self.assertEqual(0, len(correct_msgs)) self.assertEqual(0, 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) print(min(laikad.astro_dog.navs[prn], key=lambda e: e.epoch).epoch.as_datetime()) def test_get_navs_in_process(self): laikad = Laikad(auto_update=False) has_navs = False for m in self.logs: laikad.process_gnss_msg(m.ubloxGnss, 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 if has_navs: break self.assertTrue(has_navs) self.assertGreater(len(laikad.astro_dog.navs_fetched_times._ranges), 0) self.assertEqual(None, laikad.orbit_fetch_future) def test_cache(self): laikad = Laikad(auto_update=True, save_ephemeris=True) 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.cache_ephemeris(t=GPSTime(0, 0)) wait_for_cache() Params().remove(EPHEMERIS_CACHE) #laikad.astro_dog.get_navs(self.first_gps_time) laikad.fetch_navs(self.first_gps_time, block=True) # Wait for cache to save wait_for_cache() # Check both nav and orbits separate laikad = Laikad(auto_update=False, valid_ephem_types=EphemerisType.NAV, save_ephemeris=True) # 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(self.logs, laikad, return_one_success=True) self.assertIsNotNone(msg) 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() 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, 554) 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()