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

from parameterized import parameterized

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

CAMERA_DIAGNOSTIC_ADDRESS = 0x24b


class TestGMFingerprint:
  @parameterized.expand(FINGERPRINTS.items())
  def test_can_fingerprints(self, car_model, fingerprints):
    assert len(fingerprints) > 0

    assert all(len(finger) for finger in fingerprints)

    # The camera can sometimes be communicating on startup
    if car_model in CAMERA_ACC_CAR:
      for finger in fingerprints:
        for required_addr in (CAMERA_DIAGNOSTIC_ADDRESS, CAMERA_DIAGNOSTIC_ADDRESS + GM_RX_OFFSET):
          assert finger.get(required_addr) == 8, required_addr