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 unittest
from parameterized import parameterized
from cereal import car, log
from selfdrive.car.car_helpers import interfaces
from selfdrive.car.honda.values import CAR as HONDA
from selfdrive.car.toyota.values import CAR as TOYOTA
from selfdrive.car.nissan.values import CAR as NISSAN
from selfdrive.controls.lib.latcontrol_pid import LatControlPID
from selfdrive.controls.lib.latcontrol_torque import LatControlTorque
from selfdrive.controls.lib.latcontrol_angle import LatControlAngle
from selfdrive.controls.lib.vehicle_model import VehicleModel
class TestLatControl(unittest.TestCase):
@parameterized.expand([(HONDA.CIVIC, LatControlPID), (TOYOTA.RAV4, LatControlTorque), (NISSAN.LEAF, LatControlAngle)])
def test_saturation(self, car_name, controller):
CarInterface, CarController, CarState = interfaces[car_name]
CP = CarInterface.get_non_essential_params(car_name)
CI = CarInterface(CP, CarController, CarState)
VM = VehicleModel(CP)
controller = controller(CP, CI)
CS = car.CarState.new_message()
CS.vEgo = 30
last_actuators = car.CarControl.Actuators.new_message()
params = log.LiveParametersData.new_message()
for _ in range(1000):
_, _, lac_log = controller.update(True, CS, CP, VM, params, last_actuators, True, 1, 0)
self.assertTrue(lac_log.saturated)
if __name__ == "__main__":
unittest.main()