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							155 lines
						
					
					
						
							6.5 KiB
						
					
					
				
			
		
		
	
	
							155 lines
						
					
					
						
							6.5 KiB
						
					
					
				#!/usr/bin/env python3
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import os
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import math
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import unittest
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import hypothesis.strategies as st
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from hypothesis import Phase, given, settings
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import importlib
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from parameterized import parameterized
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from cereal import car, messaging
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from openpilot.common.realtime import DT_CTRL
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from openpilot.selfdrive.car import gen_empty_fingerprint
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from openpilot.selfdrive.car.car_helpers import interfaces
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from openpilot.selfdrive.car.fingerprints import all_known_cars
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from openpilot.selfdrive.car.fw_versions import FW_VERSIONS
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from openpilot.selfdrive.car.interfaces import get_interface_attr
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from openpilot.selfdrive.test.fuzzy_generation import DrawType, FuzzyGenerator
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ALL_ECUS = list({ecu for ecus in FW_VERSIONS.values() for ecu in ecus.keys()})
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MAX_EXAMPLES = int(os.environ.get('MAX_EXAMPLES', '5'))
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def get_fuzzy_car_interface_args(draw: DrawType) -> dict:
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  # Fuzzy CAN fingerprints and FW versions to test more states of the CarInterface
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  fingerprint_strategy = st.fixed_dictionaries({key: st.dictionaries(st.integers(min_value=0, max_value=0x800),
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                                                                     st.integers(min_value=0, max_value=64)) for key in
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                                                gen_empty_fingerprint()})
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  # only pick from possible ecus to reduce search space
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  car_fw_strategy = st.lists(st.sampled_from(ALL_ECUS))
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  params_strategy = st.fixed_dictionaries({
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    'fingerprints': fingerprint_strategy,
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    'car_fw': car_fw_strategy,
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    'experimental_long': st.booleans(),
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  })
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  params: dict = draw(params_strategy)
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  params['car_fw'] = [car.CarParams.CarFw(ecu=fw[0], address=fw[1], subAddress=fw[2] or 0) for fw in params['car_fw']]
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  return params
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class TestCarInterfaces(unittest.TestCase):
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  @classmethod
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  def setUpClass(cls):
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    os.environ['NO_RADAR_SLEEP'] = '1'
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  # FIXME: Due to the lists used in carParams, Phase.target is very slow and will cause
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  #  many generated examples to overrun when max_examples > ~20, don't use it
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  @parameterized.expand([(car,) for car in sorted(all_known_cars())])
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  @settings(max_examples=MAX_EXAMPLES, deadline=None,
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            phases=(Phase.reuse, Phase.generate, Phase.shrink))
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  @given(data=st.data())
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  def test_car_interfaces(self, car_name, data):
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    CarInterface, CarController, CarState = interfaces[car_name]
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    args = get_fuzzy_car_interface_args(data.draw)
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    car_params = CarInterface.get_params(car_name, args['fingerprints'], args['car_fw'],
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                                         experimental_long=args['experimental_long'], docs=False)
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    car_interface = CarInterface(car_params, CarController, CarState)
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    assert car_params
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    assert car_interface
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    self.assertGreater(car_params.mass, 1)
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    self.assertGreater(car_params.wheelbase, 0)
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    # centerToFront is center of gravity to front wheels, assert a reasonable range
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    self.assertTrue(car_params.wheelbase * 0.3 < car_params.centerToFront < car_params.wheelbase * 0.7)
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    self.assertGreater(car_params.maxLateralAccel, 0)
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    # Longitudinal sanity checks
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    self.assertEqual(len(car_params.longitudinalTuning.kpV), len(car_params.longitudinalTuning.kpBP))
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    self.assertEqual(len(car_params.longitudinalTuning.kiV), len(car_params.longitudinalTuning.kiBP))
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    self.assertEqual(len(car_params.longitudinalTuning.deadzoneV), len(car_params.longitudinalTuning.deadzoneBP))
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    # Lateral sanity checks
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    if car_params.steerControlType != car.CarParams.SteerControlType.angle:
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      tune = car_params.lateralTuning
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      if tune.which() == 'pid':
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        self.assertTrue(not math.isnan(tune.pid.kf) and tune.pid.kf > 0)
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        self.assertTrue(len(tune.pid.kpV) > 0 and len(tune.pid.kpV) == len(tune.pid.kpBP))
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        self.assertTrue(len(tune.pid.kiV) > 0 and len(tune.pid.kiV) == len(tune.pid.kiBP))
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      elif tune.which() == 'torque':
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        self.assertTrue(not math.isnan(tune.torque.kf) and tune.torque.kf > 0)
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        self.assertTrue(not math.isnan(tune.torque.friction) and tune.torque.friction > 0)
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      elif tune.which() == 'indi':
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        self.assertTrue(len(tune.indi.outerLoopGainV))
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    cc_msg = FuzzyGenerator.get_random_msg(data.draw, car.CarControl, real_floats=True)
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    # Run car interface
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    now_nanos = 0
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    CC = car.CarControl.new_message(**cc_msg)
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    for _ in range(10):
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      car_interface.update(CC, [])
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      car_interface.apply(CC, now_nanos)
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      car_interface.apply(CC, now_nanos)
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      now_nanos += DT_CTRL * 1e9  # 10 ms
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    CC = car.CarControl.new_message(**cc_msg)
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    CC.enabled = True
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    for _ in range(10):
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      car_interface.update(CC, [])
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      car_interface.apply(CC, now_nanos)
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      car_interface.apply(CC, now_nanos)
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      now_nanos += DT_CTRL * 1e9  # 10ms
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    # Test radar interface
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    RadarInterface = importlib.import_module(f'selfdrive.car.{car_params.carName}.radar_interface').RadarInterface
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    radar_interface = RadarInterface(car_params)
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    assert radar_interface
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    # Run radar interface once
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    radar_interface.update([])
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    if not car_params.radarUnavailable and radar_interface.rcp is not None and \
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       hasattr(radar_interface, '_update') and hasattr(radar_interface, 'trigger_msg'):
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      radar_interface._update([radar_interface.trigger_msg])
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    # Test radar fault
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    if not car_params.radarUnavailable and radar_interface.rcp is not None:
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      cans = [messaging.new_message('can', 1).to_bytes() for _ in range(5)]
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      rr = radar_interface.update(cans)
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      self.assertTrue(rr is None or len(rr.errors) > 0)
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  def test_interface_attrs(self):
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    """Asserts basic behavior of interface attribute getter"""
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    num_brands = len(get_interface_attr('CAR'))
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    self.assertGreaterEqual(num_brands, 13)
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    # Should return value for all brands when not combining, even if attribute doesn't exist
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    ret = get_interface_attr('FAKE_ATTR')
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    self.assertEqual(len(ret), num_brands)
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    # Make sure we can combine dicts
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    ret = get_interface_attr('DBC', combine_brands=True)
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    self.assertGreaterEqual(len(ret), 170)
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    # We don't support combining non-dicts
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    ret = get_interface_attr('CAR', combine_brands=True)
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    self.assertEqual(len(ret), 0)
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    # If brand has None value, it shouldn't return when ignore_none=True is specified
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    none_brands = {b for b, v in get_interface_attr('FINGERPRINTS').items() if v is None}
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    self.assertGreaterEqual(len(none_brands), 1)
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    ret = get_interface_attr('FINGERPRINTS', ignore_none=True)
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    none_brands_in_ret = none_brands.intersection(ret)
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    self.assertEqual(len(none_brands_in_ret), 0, f'Brands with None values in ignore_none=True result: {none_brands_in_ret}')
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if __name__ == "__main__":
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  unittest.main()
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