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293 lines
11 KiB
293 lines
11 KiB
#!/usr/bin/env python3
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import time
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import unittest
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from collections import defaultdict
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from datetime import datetime
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from unittest import mock
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from unittest.mock import patch
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from common.params import Params
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from laika.constants import SECS_IN_DAY
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from laika.downloader import DownloadFailed
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from laika.ephemeris import EphemerisType, GPSEphemeris
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from laika.gps_time import GPSTime
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from laika.helpers import ConstellationId, TimeRangeHolder
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from laika.raw_gnss import GNSSMeasurement, read_raw_ublox
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from selfdrive.locationd.laikad import EPHEMERIS_CACHE, EphemerisSourceType, Laikad, create_measurement_msg
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from selfdrive.test.openpilotci import get_url
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from tools.lib.logreader import LogReader
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def get_log(segs=range(0)):
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logs = []
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for i in segs:
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logs.extend(LogReader(get_url("4cf7a6ad03080c90|2021-09-29--13-46-36", i)))
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all_logs = [m for m in logs if m.which() == 'ubloxGnss']
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low_gnss = []
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for m in all_logs:
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if m.ubloxGnss.which() != 'measurementReport':
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continue
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MAX_MEAS = 7
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if m.ubloxGnss.measurementReport.numMeas > MAX_MEAS:
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mb = m.as_builder()
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mb.ubloxGnss.measurementReport.numMeas = MAX_MEAS
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mb.ubloxGnss.measurementReport.measurements = list(m.ubloxGnss.measurementReport.measurements)[:MAX_MEAS]
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mb.ubloxGnss.measurementReport.measurements[0].pseudorange += 1000
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low_gnss.append(mb.as_reader())
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else:
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low_gnss.append(m)
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return all_logs, low_gnss
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def verify_messages(lr, laikad, return_one_success=False):
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good_msgs = []
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for m in lr:
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msg = laikad.process_gnss_msg(m.ubloxGnss, m.logMonoTime, block=True)
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if msg is not None and len(msg.gnssMeasurements.correctedMeasurements) > 0:
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good_msgs.append(msg)
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if return_one_success:
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return msg
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return good_msgs
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def get_first_gps_time(logs):
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for m in logs:
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if m.ubloxGnss.which == 'measurementReport':
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new_meas = read_raw_ublox(m.ubloxGnss.measurementReport)
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if len(new_meas) > 0:
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return new_meas[0].recv_time
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def get_measurement_mock(gpstime, sat_ephemeris):
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meas = GNSSMeasurement(ConstellationId.GPS, 1, gpstime.week, gpstime.tow, {'C1C': 0., 'D1C': 0.}, {'C1C': 0., 'D1C': 0.})
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# Fake measurement being processed
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meas.observables_final = meas.observables
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meas.sat_ephemeris = sat_ephemeris
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return meas
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GPS_TIME_PREDICTION_ORBITS_RUSSIAN_SRC = GPSTime.from_datetime(datetime(2022, month=1, day=29, hour=12))
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class TestLaikad(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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logs, low_gnss = get_log(range(1))
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cls.logs = logs
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cls.low_gnss = low_gnss
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first_gps_time = get_first_gps_time(logs)
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cls.first_gps_time = first_gps_time
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def setUp(self):
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Params().remove(EPHEMERIS_CACHE)
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def test_fetch_navs_non_blocking(self):
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gpstime = GPSTime.from_datetime(datetime(2021, month=3, day=1))
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laikad = Laikad()
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laikad.fetch_navs(gpstime, block=False)
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laikad.orbit_fetch_future.result(30)
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# Get results and save orbits to laikad:
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laikad.fetch_navs(gpstime, block=False)
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ephem = laikad.astro_dog.navs['G01'][0]
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self.assertIsNotNone(ephem)
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laikad.fetch_navs(gpstime+2*SECS_IN_DAY, block=False)
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laikad.orbit_fetch_future.result(30)
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# Get results and save orbits to laikad:
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laikad.fetch_navs(gpstime + 2 * SECS_IN_DAY, block=False)
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ephem2 = laikad.astro_dog.navs['G01'][0]
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self.assertIsNotNone(ephem)
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self.assertNotEqual(ephem, ephem2)
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def test_fetch_navs_with_wrong_clocks(self):
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laikad = Laikad()
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def check_has_navs():
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self.assertGreater(len(laikad.astro_dog.navs), 0)
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ephem = laikad.astro_dog.navs['G01'][0]
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self.assertIsNotNone(ephem)
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real_current_time = GPSTime.from_datetime(datetime(2021, month=3, day=1))
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wrong_future_clock_time = real_current_time + SECS_IN_DAY
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laikad.fetch_navs(wrong_future_clock_time, block=True)
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check_has_navs()
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self.assertEqual(laikad.last_fetch_navs_t, wrong_future_clock_time)
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# Test fetching orbits with earlier time
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assert real_current_time < laikad.last_fetch_navs_t
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laikad.astro_dog.orbits = {}
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laikad.fetch_navs(real_current_time, block=True)
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check_has_navs()
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self.assertEqual(laikad.last_fetch_navs_t, real_current_time)
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def test_ephemeris_source_in_msg(self):
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data_mock = defaultdict(str)
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data_mock['sv_id'] = 1
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gpstime = GPS_TIME_PREDICTION_ORBITS_RUSSIAN_SRC
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laikad = Laikad()
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laikad.fetch_navs(gpstime, block=True)
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meas = get_measurement_mock(gpstime, laikad.astro_dog.navs['R01'][0])
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msg = create_measurement_msg(meas)
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self.assertEqual(msg.ephemerisSource.type.raw, EphemerisSourceType.nav)
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# Verify gps satellite returns same source
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meas = get_measurement_mock(gpstime, laikad.astro_dog.navs['R01'][0])
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msg = create_measurement_msg(meas)
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self.assertEqual(msg.ephemerisSource.type.raw, EphemerisSourceType.nav)
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# Test nasa source by using older date
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gpstime = GPSTime.from_datetime(datetime(2021, month=3, day=1))
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laikad = Laikad()
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laikad.fetch_navs(gpstime, block=True)
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meas = get_measurement_mock(gpstime, laikad.astro_dog.navs['G01'][0])
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msg = create_measurement_msg(meas)
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self.assertEqual(msg.ephemerisSource.type.raw, EphemerisSourceType.nav)
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# Test nav source type
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ephem = GPSEphemeris(data_mock, gpstime)
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meas = get_measurement_mock(gpstime, ephem)
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msg = create_measurement_msg(meas)
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self.assertEqual(msg.ephemerisSource.type.raw, EphemerisSourceType.nav)
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def test_laika_online(self):
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laikad = Laikad(auto_update=True, valid_ephem_types=EphemerisType.ULTRA_RAPID_ORBIT)
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correct_msgs = verify_messages(self.logs, laikad)
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correct_msgs_expected = 554
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self.assertEqual(correct_msgs_expected, len(correct_msgs))
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self.assertEqual(correct_msgs_expected, len([m for m in correct_msgs if m.gnssMeasurements.positionECEF.valid]))
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def test_kf_becomes_valid(self):
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laikad = Laikad(auto_update=False)
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m = self.logs[0]
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self.assertFalse(all(laikad.kf_valid(m.logMonoTime * 1e-9)))
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kf_valid = False
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for m in self.logs:
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laikad.process_gnss_msg(m.ubloxGnss, m.logMonoTime, block=True)
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kf_valid = all(laikad.kf_valid(m.logMonoTime * 1e-9))
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if kf_valid:
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break
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self.assertTrue(kf_valid)
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def test_laika_online_nav_only(self):
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laikad = Laikad(auto_update=True, valid_ephem_types=EphemerisType.NAV)
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# Disable fetch_orbits to test NAV only
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correct_msgs = verify_messages(self.logs, laikad)
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correct_msgs_expected = 554
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self.assertEqual(correct_msgs_expected, len(correct_msgs))
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self.assertEqual(correct_msgs_expected, len([m for m in correct_msgs if m.gnssMeasurements.positionECEF.valid]))
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@mock.patch('laika.downloader.download_and_cache_file')
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def test_laika_offline(self, downloader_mock):
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downloader_mock.side_effect = DownloadFailed("Mock download failed")
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laikad = Laikad(auto_update=False)
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laikad.fetch_navs(GPS_TIME_PREDICTION_ORBITS_RUSSIAN_SRC, block=True)
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@mock.patch('laika.downloader.download_and_cache_file')
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def test_download_failed_russian_source(self, downloader_mock):
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downloader_mock.side_effect = DownloadFailed
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laikad = Laikad(auto_update=False)
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correct_msgs = verify_messages(self.logs, laikad)
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self.assertEqual(0, len(correct_msgs))
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self.assertEqual(0, len([m for m in correct_msgs if m.gnssMeasurements.positionECEF.valid]))
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def test_laika_get_orbits(self):
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laikad = Laikad(auto_update=False)
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# Pretend process has loaded the orbits on startup by using the time of the first gps message.
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laikad.fetch_navs(self.first_gps_time, block=True)
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self.dict_has_values(laikad.astro_dog.navs)
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@unittest.skip("Use to debug live data")
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def test_laika_get_navs_now(self):
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laikad = Laikad(auto_update=False)
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laikad.fetch_navs(GPSTime.from_datetime(datetime.utcnow()), block=True)
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prn = "G01"
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self.assertGreater(len(laikad.astro_dog.navs[prn]), 0)
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prn = "R01"
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self.assertGreater(len(laikad.astro_dog.navs[prn]), 0)
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print(min(laikad.astro_dog.navs[prn], key=lambda e: e.epoch).epoch.as_datetime())
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def test_get_navs_in_process(self):
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laikad = Laikad(auto_update=False)
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has_navs = False
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for m in self.logs:
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laikad.process_gnss_msg(m.ubloxGnss, m.logMonoTime, block=False)
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if laikad.orbit_fetch_future is not None:
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laikad.orbit_fetch_future.result()
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vals = laikad.astro_dog.navs.values()
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has_navs = len(vals) > 0 and max([len(v) for v in vals]) > 0
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if has_navs:
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break
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self.assertTrue(has_navs)
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self.assertGreater(len(laikad.astro_dog.navs_fetched_times._ranges), 0)
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self.assertEqual(None, laikad.orbit_fetch_future)
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def test_cache(self):
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laikad = Laikad(auto_update=True, save_ephemeris=True)
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def wait_for_cache():
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max_time = 2
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while Params().get(EPHEMERIS_CACHE) is None:
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time.sleep(0.1)
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max_time -= 0.1
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if max_time < 0:
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self.fail("Cache has not been written after 2 seconds")
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# Test cache with no ephemeris
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laikad.cache_ephemeris(t=GPSTime(0, 0))
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wait_for_cache()
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Params().remove(EPHEMERIS_CACHE)
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#laikad.astro_dog.get_navs(self.first_gps_time)
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laikad.fetch_navs(self.first_gps_time, block=True)
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# Wait for cache to save
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wait_for_cache()
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# Check both nav and orbits separate
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laikad = Laikad(auto_update=False, valid_ephem_types=EphemerisType.NAV, save_ephemeris=True)
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# Verify navs are loaded from cache
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self.dict_has_values(laikad.astro_dog.navs)
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# Verify cache is working for only nav by running a segment
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msg = verify_messages(self.logs, laikad, return_one_success=True)
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self.assertIsNotNone(msg)
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with patch('selfdrive.locationd.laikad.get_orbit_data', return_value=None) as mock_method:
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# 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
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laikad.astro_dog.orbit_fetched_times = TimeRangeHolder()
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laikad.fetch_navs(self.first_gps_time, block=False)
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mock_method.assert_not_called()
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# Verify cache is working for only orbits by running a segment
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laikad = Laikad(auto_update=False, valid_ephem_types=EphemerisType.ULTRA_RAPID_ORBIT, save_ephemeris=True)
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msg = verify_messages(self.logs, laikad, return_one_success=True)
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self.assertIsNotNone(msg)
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# Verify orbit data is not downloaded
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mock_method.assert_not_called()
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def test_low_gnss_meas(self):
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cnt = 0
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laikad = Laikad()
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for m in self.low_gnss:
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msg = laikad.process_gnss_msg(m.ubloxGnss, m.logMonoTime, block=True)
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if msg is None:
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continue
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gm = msg.gnssMeasurements
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if len(gm.correctedMeasurements) != 0 and gm.positionECEF.valid:
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cnt += 1
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self.assertEqual(cnt, 554)
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def dict_has_values(self, dct):
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self.assertGreater(len(dct), 0)
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self.assertGreater(min([len(v) for v in dct.values()]), 0)
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if __name__ == "__main__":
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unittest.main()
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