jyoung/selfdrive/car/gm/tests/test_gm.py

#!/usr/bin/env python3
from parameterized import parameterized
import unittest

from openpilot.selfdrive.car.gm.fingerprints import FINGERPRINTS
from openpilot.selfdrive.car.gm.values import CAMERA_ACC_CAR, CAR, GM_RX_OFFSET

CAMERA_DIAGNOSTIC_ADDRESS = 0x24b


class TestGMFingerprint(unittest.TestCase):
  @parameterized.expand(FINGERPRINTS.items())
  def test_can_fingerprints(self, car_model, fingerprints):
    self.assertGreater(len(fingerprints), 0)

    # Trailblazer is in dashcam
    if car_model != CAR.CHEVROLET_TRAILBLAZER:
      self.assertTrue(all(len(finger) for finger in fingerprints))

    # The camera can sometimes be communicating on startup
    if car_model in CAMERA_ACC_CAR - {CAR.CHEVROLET_TRAILBLAZER}:
      for finger in fingerprints:
        for required_addr in (CAMERA_DIAGNOSTIC_ADDRESS, CAMERA_DIAGNOSTIC_ADDRESS + GM_RX_OFFSET):
          self.assertEqual(finger.get(required_addr), 8, required_addr)


if __name__ == "__main__":
  unittest.main()