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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import capnp
import os
import pytest
import random
import unittest # noqa: TID251
from collections import defaultdict, Counter
from functools import partial
import hypothesis.strategies as st
from hypothesis import Phase, given, settings
from parameterized import parameterized_class
from cereal import messaging, log, car
from openpilot.common.basedir import BASEDIR
from openpilot.common.params import Params
from opendbc.car import DT_CTRL, gen_empty_fingerprint, structs
from opendbc.car.fingerprints import all_known_cars, MIGRATION
from opendbc.car.car_helpers import FRAME_FINGERPRINT, interfaces
from opendbc.car.honda.values import CAR as HONDA, HondaFlags
from opendbc.car.values import Platform
from opendbc.car.tests.routes import non_tested_cars, routes, CarTestRoute
from openpilot.selfdrive.selfdrived.events import ET
from openpilot.selfdrive.selfdrived.selfdrived import SelfdriveD
from openpilot.selfdrive.pandad import can_capnp_to_list
from openpilot.selfdrive.test.helpers import read_segment_list
from openpilot.system.hardware.hw import DEFAULT_DOWNLOAD_CACHE_ROOT
from openpilot.tools.lib.logreader import LogReader, auto_source, internal_source, openpilotci_source, openpilotci_source_zst
from openpilot.tools.lib.route import SegmentName
from panda.tests.libpanda import libpanda_py
EventName = log.OnroadEvent.EventName
PandaType = log.PandaState.PandaType
SafetyModel = car.CarParams.SafetyModel
NUM_JOBS = int(os.environ.get("NUM_JOBS", "1"))
JOB_ID = int(os.environ.get("JOB_ID", "0"))
INTERNAL_SEG_LIST = os.environ.get("INTERNAL_SEG_LIST", "")
INTERNAL_SEG_CNT = int(os.environ.get("INTERNAL_SEG_CNT", "0"))
MAX_EXAMPLES = int(os.environ.get("MAX_EXAMPLES", "300"))
CI = os.environ.get("CI", None) is not None
def get_test_cases() -> list[tuple[str, CarTestRoute | None]]:
# build list of test cases
test_cases = []
if not len(INTERNAL_SEG_LIST):
routes_by_car = defaultdict(set)
for r in routes:
routes_by_car[r.car_model].add(r)
for i, c in enumerate(sorted(all_known_cars())):
if i % NUM_JOBS == JOB_ID:
test_cases.extend(sorted((c, r) for r in routes_by_car.get(c, (None,))))
else:
segment_list = read_segment_list(os.path.join(BASEDIR, INTERNAL_SEG_LIST))
segment_list = random.sample(segment_list, INTERNAL_SEG_CNT or len(segment_list))
for platform, segment in segment_list:
platform = MIGRATION.get(platform, platform)
segment_name = SegmentName(segment)
test_cases.append((platform, CarTestRoute(segment_name.route_name.canonical_name, platform,
segment=segment_name.segment_num)))
return test_cases
@pytest.mark.slow
@pytest.mark.shared_download_cache
class TestCarModelBase(unittest.TestCase):
platform: Platform | None = None
test_route: CarTestRoute | None = None
test_route_on_bucket: bool = True # whether the route is on the preserved CI bucket
can_msgs: list[capnp.lib.capnp._DynamicStructReader]
fingerprint: dict[int, dict[int, int]]
elm_frame: int | None
car_safety_mode_frame: int | None
@classmethod
def get_testing_data_from_logreader(cls, lr):
car_fw = []
can_msgs = []
cls.elm_frame = None
cls.car_safety_mode_frame = None
cls.fingerprint = gen_empty_fingerprint()
experimental_long = False
for msg in lr:
if msg.which() == "can":
can_msgs.append(msg)
if len(can_msgs) <= FRAME_FINGERPRINT:
for m in msg.can:
if m.src < 64:
cls.fingerprint[m.src][m.address] = len(m.dat)
elif msg.which() == "carParams":
car_fw = msg.carParams.carFw
if msg.carParams.openpilotLongitudinalControl:
experimental_long = True
if cls.platform is None and not cls.test_route_on_bucket:
live_fingerprint = msg.carParams.carFingerprint
cls.platform = MIGRATION.get(live_fingerprint, live_fingerprint)
# Log which can frame the panda safety mode left ELM327, for CAN validity checks
elif msg.which() == 'pandaStates':
for ps in msg.pandaStates:
if cls.elm_frame is None and ps.safetyModel != SafetyModel.elm327:
cls.elm_frame = len(can_msgs)
if cls.car_safety_mode_frame is None and ps.safetyModel not in \
(SafetyModel.elm327, SafetyModel.noOutput):
cls.car_safety_mode_frame = len(can_msgs)
elif msg.which() == 'pandaStateDEPRECATED':
if cls.elm_frame is None and msg.pandaStateDEPRECATED.safetyModel != SafetyModel.elm327:
cls.elm_frame = len(can_msgs)
if cls.car_safety_mode_frame is None and msg.pandaStateDEPRECATED.safetyModel not in \
(SafetyModel.elm327, SafetyModel.noOutput):
cls.car_safety_mode_frame = len(can_msgs)
if len(can_msgs) > int(50 / DT_CTRL):
return car_fw, can_msgs, experimental_long
raise Exception("no can data found")
@classmethod
def get_testing_data(cls):
test_segs = (2, 1, 0)
if cls.test_route.segment is not None:
test_segs = (cls.test_route.segment,)
is_internal = len(INTERNAL_SEG_LIST)
for seg in test_segs:
segment_range = f"{cls.test_route.route}/{seg}"
try:
source = partial(auto_source, sources=[internal_source] if is_internal else [openpilotci_source, openpilotci_source_zst])
lr = LogReader(segment_range, source=source)
return cls.get_testing_data_from_logreader(lr)
except Exception:
pass
# Route is not in CI bucket, assume either user has access (private), or it is public
# test_route_on_ci_bucket will fail when running in CI
if not is_internal:
cls.test_route_on_bucket = False
for seg in test_segs:
segment_range = f"{cls.test_route.route}/{seg}"
try:
lr = LogReader(segment_range)
return cls.get_testing_data_from_logreader(lr)
except Exception:
pass
raise Exception(f"Route: {repr(cls.test_route.route)} with segments: {test_segs} not found or no CAN msgs found. Is it uploaded and public?")
@classmethod
def setUpClass(cls):
if cls.__name__ == 'TestCarModel' or cls.__name__.endswith('Base'):
raise unittest.SkipTest
if cls.test_route is None:
if cls.platform in non_tested_cars:
print(f"Skipping tests for {cls.platform}: missing route")
raise unittest.SkipTest
raise Exception(f"missing test route for {cls.platform}")
car_fw, can_msgs, experimental_long = cls.get_testing_data()
# if relay is expected to be open in the route
cls.openpilot_enabled = cls.car_safety_mode_frame is not None
cls.can_msgs = sorted(can_msgs, key=lambda msg: msg.logMonoTime)
cls.CarInterface, cls.CarController, cls.CarState, cls.RadarInterface = interfaces[cls.platform]
cls.CP = cls.CarInterface.get_params(cls.platform, cls.fingerprint, car_fw, experimental_long, docs=False)
assert cls.CP
assert cls.CP.carFingerprint == cls.platform
os.environ["COMMA_CACHE"] = DEFAULT_DOWNLOAD_CACHE_ROOT
@classmethod
def tearDownClass(cls):
del cls.can_msgs
def setUp(self):
self.CI = self.CarInterface(self.CP.copy(), self.CarController, self.CarState)
assert self.CI
Params().put_bool("OpenpilotEnabledToggle", self.openpilot_enabled)
# TODO: check safetyModel is in release panda build
self.safety = libpanda_py.libpanda
cfg = self.CP.safetyConfigs[-1]
set_status = self.safety.set_safety_hooks(cfg.safetyModel.raw, cfg.safetyParam)
self.assertEqual(0, set_status, f"failed to set safetyModel {cfg}")
self.safety.init_tests()
def test_car_params(self):
if self.CP.dashcamOnly:
self.skipTest("no need to check carParams for dashcamOnly")
# make sure car params are within a valid range
self.assertGreater(self.CP.mass, 1)
if self.CP.steerControlType != structs.CarParams.SteerControlType.angle:
tuning = self.CP.lateralTuning.which()
if tuning == 'pid':
self.assertTrue(len(self.CP.lateralTuning.pid.kpV))
elif tuning == 'torque':
self.assertTrue(self.CP.lateralTuning.torque.kf > 0)
else:
raise Exception("unknown tuning")
def test_car_interface(self):
# TODO: also check for checksum violations from can parser
can_invalid_cnt = 0
can_valid = False
CC = structs.CarControl().as_reader()
for i, msg in enumerate(self.can_msgs):
CS = self.CI.update(can_capnp_to_list((msg.as_builder().to_bytes(),)))
self.CI.apply(CC, msg.logMonoTime)
if CS.canValid:
can_valid = True
# wait max of 2s for low frequency msgs to be seen
if i > 200 or can_valid:
can_invalid_cnt += not CS.canValid
self.assertEqual(can_invalid_cnt, 0)
def test_radar_interface(self):
RI = self.RadarInterface(self.CP)
assert RI
# Since OBD port is multiplexed to bus 1 (commonly radar bus) while fingerprinting,
# start parsing CAN messages after we've left ELM mode and can expect CAN traffic
error_cnt = 0
for i, msg in enumerate(self.can_msgs[self.elm_frame:]):
rr: structs.RadarData | None = RI.update(can_capnp_to_list((msg.as_builder().to_bytes(),)))
if rr is not None and i > 50:
error_cnt += structs.RadarData.Error.canError in rr.errors
self.assertEqual(error_cnt, 0)
def test_panda_safety_rx_checks(self):
if self.CP.dashcamOnly:
self.skipTest("no need to check panda safety for dashcamOnly")
start_ts = self.can_msgs[0].logMonoTime
failed_addrs = Counter()
for can in self.can_msgs:
# update panda timer
t = (can.logMonoTime - start_ts) / 1e3
self.safety.set_timer(int(t))
# run all msgs through the safety RX hook
for msg in can.can:
if msg.src >= 64:
continue
to_send = libpanda_py.make_CANPacket(msg.address, msg.src % 4, msg.dat)
if self.safety.safety_rx_hook(to_send) != 1:
failed_addrs[hex(msg.address)] += 1
# ensure all msgs defined in the addr checks are valid
self.safety.safety_tick_current_safety_config()
if t > 1e6:
self.assertTrue(self.safety.safety_config_valid())
# Don't check relay malfunction on disabled routes (relay closed),
# or before fingerprinting is done (elm327 and noOutput)
if self.openpilot_enabled and t / 1e4 > self.car_safety_mode_frame:
self.assertFalse(self.safety.get_relay_malfunction())
else:
self.safety.set_relay_malfunction(False)
self.assertFalse(len(failed_addrs), f"panda safety RX check failed: {failed_addrs}")
# ensure RX checks go invalid after small time with no traffic
self.safety.set_timer(int(t + (2*1e6)))
self.safety.safety_tick_current_safety_config()
self.assertFalse(self.safety.safety_config_valid())
def test_panda_safety_tx_cases(self, data=None):
"""Asserts we can tx common messages"""
if self.CP.notCar:
self.skipTest("Skipping test for notCar")
def test_car_controller(car_control):
now_nanos = 0
msgs_sent = 0
CI = self.CarInterface(self.CP, self.CarController, self.CarState)
for _ in range(round(10.0 / DT_CTRL)): # make sure we hit the slowest messages
CI.update([])
_, sendcan = CI.apply(car_control, now_nanos)
now_nanos += DT_CTRL * 1e9
msgs_sent += len(sendcan)
for addr, dat, bus in sendcan:
to_send = libpanda_py.make_CANPacket(addr, bus % 4, dat)
self.assertTrue(self.safety.safety_tx_hook(to_send), (addr, dat, bus))
# Make sure we attempted to send messages
self.assertGreater(msgs_sent, 50)
# Make sure we can send all messages while inactive
CC = structs.CarControl()
test_car_controller(CC.as_reader())
# Test cancel + general messages (controls_allowed=False & cruise_engaged=True)
self.safety.set_cruise_engaged_prev(True)
CC = structs.CarControl(cruiseControl=structs.CarControl.CruiseControl(cancel=True))
test_car_controller(CC.as_reader())
# Test resume + general messages (controls_allowed=True & cruise_engaged=True)
self.safety.set_controls_allowed(True)
CC = structs.CarControl(cruiseControl=structs.CarControl.CruiseControl(resume=True))
test_car_controller(CC.as_reader())
# Skip stdout/stderr capture with pytest, causes elevated memory usage
@pytest.mark.nocapture
@settings(max_examples=MAX_EXAMPLES, deadline=None,
phases=(Phase.reuse, Phase.generate, Phase.shrink))
@given(data=st.data())
def test_panda_safety_carstate_fuzzy(self, data):
"""
For each example, pick a random CAN message on the bus and fuzz its data,
checking for panda state mismatches.
"""
if self.CP.dashcamOnly:
self.skipTest("no need to check panda safety for dashcamOnly")
valid_addrs = [(addr, bus, size) for bus, addrs in self.fingerprint.items() for addr, size in addrs.items()]
address, bus, size = data.draw(st.sampled_from(valid_addrs))
msg_strategy = st.binary(min_size=size, max_size=size)
msgs = data.draw(st.lists(msg_strategy, min_size=20))
for dat in msgs:
# due to panda updating state selectively, only edges are expected to match
# TODO: warm up CarState with real CAN messages to check edge of both sources
# (eg. toyota's gasPressed is the inverse of a signal being set)
prev_panda_gas = self.safety.get_gas_pressed_prev()
prev_panda_brake = self.safety.get_brake_pressed_prev()
prev_panda_regen_braking = self.safety.get_regen_braking_prev()
prev_panda_vehicle_moving = self.safety.get_vehicle_moving()
prev_panda_cruise_engaged = self.safety.get_cruise_engaged_prev()
prev_panda_acc_main_on = self.safety.get_acc_main_on()
to_send = libpanda_py.make_CANPacket(address, bus, dat)
self.safety.safety_rx_hook(to_send)
can = messaging.new_message('can', 1)
can.can = [log.CanData(address=address, dat=dat, src=bus)]
CS = self.CI.update(can_capnp_to_list((can.to_bytes(),)))
if self.safety.get_gas_pressed_prev() != prev_panda_gas:
self.assertEqual(CS.gasPressed, self.safety.get_gas_pressed_prev())
if self.safety.get_brake_pressed_prev() != prev_panda_brake:
# TODO: remove this exception once this mismatch is resolved
brake_pressed = CS.brakePressed
if CS.brakePressed and not self.safety.get_brake_pressed_prev():
if self.CP.carFingerprint in (HONDA.HONDA_PILOT, HONDA.HONDA_RIDGELINE) and CS.brake > 0.05:
brake_pressed = False
self.assertEqual(brake_pressed, self.safety.get_brake_pressed_prev())
if self.safety.get_regen_braking_prev() != prev_panda_regen_braking:
self.assertEqual(CS.regenBraking, self.safety.get_regen_braking_prev())
if self.safety.get_vehicle_moving() != prev_panda_vehicle_moving:
self.assertEqual(not CS.standstill, self.safety.get_vehicle_moving())
if not (self.CP.carName == "honda" and not (self.CP.flags & HondaFlags.BOSCH)):
if self.safety.get_cruise_engaged_prev() != prev_panda_cruise_engaged:
self.assertEqual(CS.cruiseState.enabled, self.safety.get_cruise_engaged_prev())
if self.CP.carName == "honda":
if self.safety.get_acc_main_on() != prev_panda_acc_main_on:
self.assertEqual(CS.cruiseState.available, self.safety.get_acc_main_on())
def test_panda_safety_carstate(self):
"""
Assert that panda safety matches openpilot's carState
"""
if self.CP.dashcamOnly:
self.skipTest("no need to check panda safety for dashcamOnly")
# warm up pass, as initial states may be different
for can in self.can_msgs[:300]:
self.CI.update(can_capnp_to_list((can.as_builder().to_bytes(), )))
for msg in filter(lambda m: m.src in range(64), can.can):
to_send = libpanda_py.make_CANPacket(msg.address, msg.src % 4, msg.dat)
self.safety.safety_rx_hook(to_send)
controls_allowed_prev = False
CS_prev = car.CarState.new_message()
checks = defaultdict(int)
selfdrived = SelfdriveD(CP=self.CP)
selfdrived.initialized = True
for idx, can in enumerate(self.can_msgs):
CS = self.CI.update(can_capnp_to_list((can.as_builder().to_bytes(), ))).as_reader()
for msg in filter(lambda m: m.src in range(64), can.can):
to_send = libpanda_py.make_CANPacket(msg.address, msg.src % 4, msg.dat)
ret = self.safety.safety_rx_hook(to_send)
self.assertEqual(1, ret, f"safety rx failed ({ret=}): {to_send}")
# Skip first frame so CS_prev is properly initialized
if idx == 0:
CS_prev = CS
# Button may be left pressed in warm up period
if not self.CP.pcmCruise:
self.safety.set_controls_allowed(0)
continue
# TODO: check rest of panda's carstate (steering, ACC main on, etc.)
checks['gasPressed'] += CS.gasPressed != self.safety.get_gas_pressed_prev()
checks['standstill'] += CS.standstill == self.safety.get_vehicle_moving()
# TODO: remove this exception once this mismatch is resolved
brake_pressed = CS.brakePressed
if CS.brakePressed and not self.safety.get_brake_pressed_prev():
if self.CP.carFingerprint in (HONDA.HONDA_PILOT, HONDA.HONDA_RIDGELINE) and CS.brake > 0.05:
brake_pressed = False
checks['brakePressed'] += brake_pressed != self.safety.get_brake_pressed_prev()
checks['regenBraking'] += CS.regenBraking != self.safety.get_regen_braking_prev()
if self.CP.pcmCruise:
# On most pcmCruise cars, openpilot's state is always tied to the PCM's cruise state.
# On Honda Nidec, we always engage on the rising edge of the PCM cruise state, but
# openpilot brakes to zero even if the min ACC speed is non-zero (i.e. the PCM disengages).
if self.CP.carName == "honda" and not (self.CP.flags & HondaFlags.BOSCH):
# only the rising edges are expected to match
if CS.cruiseState.enabled and not CS_prev.cruiseState.enabled:
checks['controlsAllowed'] += not self.safety.get_controls_allowed()
else:
checks['controlsAllowed'] += not CS.cruiseState.enabled and self.safety.get_controls_allowed()
# TODO: fix notCar mismatch
if not self.CP.notCar:
checks['cruiseState'] += CS.cruiseState.enabled != self.safety.get_cruise_engaged_prev()
else:
# Check for enable events on rising edge of controls allowed
selfdrived.update_events(CS)
selfdrived.CS_prev = CS
button_enable = (selfdrived.events.contains(ET.ENABLE) and
EventName.pedalPressed not in selfdrived.events.names)
mismatch = button_enable != (self.safety.get_controls_allowed() and not controls_allowed_prev)
checks['controlsAllowed'] += mismatch
controls_allowed_prev = self.safety.get_controls_allowed()
if button_enable and not mismatch:
self.safety.set_controls_allowed(False)
if self.CP.carName == "honda":
checks['mainOn'] += CS.cruiseState.available != self.safety.get_acc_main_on()
CS_prev = CS
failed_checks = {k: v for k, v in checks.items() if v > 0}
self.assertFalse(len(failed_checks), f"panda safety doesn't agree with openpilot: {failed_checks}")
@unittest.skipIf(not CI, "Accessing non CI-bucket routes is allowed only when not in CI")
def test_route_on_ci_bucket(self):
self.assertTrue(self.test_route_on_bucket, "Route not on CI bucket. " +
"This is fine to fail for WIP car ports, just let us know and we can upload your routes to the CI bucket.")
@parameterized_class(('platform', 'test_route'), get_test_cases())
@pytest.mark.xdist_group_class_property('test_route')
class TestCarModel(TestCarModelBase):
pass
if __name__ == "__main__":
unittest.main()