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62 lines
2.1 KiB
62 lines
2.1 KiB
#!/usr/bin/env python3
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import random
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import unittest
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from parameterized import parameterized
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from cereal import car
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from selfdrive.car.car_helpers import interfaces
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from selfdrive.car.fingerprints import FW_VERSIONS
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from selfdrive.car.fw_versions import match_fw_to_car
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CarFw = car.CarParams.CarFw
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Ecu = car.CarParams.Ecu
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ECU_NAME = {v: k for k, v in Ecu.schema.enumerants.items()}
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class TestFwFingerprint(unittest.TestCase):
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def assertFingerprints(self, candidates, expected):
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candidates = list(candidates)
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self.assertEqual(len(candidates), 1, f"got more than one candidate: {candidates}")
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self.assertEqual(candidates[0], expected)
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@parameterized.expand([(k, v) for k, v in FW_VERSIONS.items()])
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def test_fw_fingerprint(self, car_model, ecus):
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CP = car.CarParams.new_message()
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for _ in range(200):
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fw = []
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for ecu, fw_versions in ecus.items():
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ecu_name, addr, sub_addr = ecu
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fw.append({"ecu": ecu_name, "fwVersion": random.choice(fw_versions),
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"address": addr, "subAddress": 0 if sub_addr is None else sub_addr})
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CP.carFw = fw
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_, matches = match_fw_to_car(CP.carFw)
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self.assertFingerprints(matches, car_model)
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def test_no_duplicate_fw_versions(self):
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passed = True
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for car_model, ecus in FW_VERSIONS.items():
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for ecu, ecu_fw in ecus.items():
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duplicates = {fw for fw in ecu_fw if ecu_fw.count(fw) > 1}
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if len(duplicates):
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print(car_model, ECU_NAME[ecu[0]], duplicates)
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passed = False
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self.assertTrue(passed, "Duplicate FW versions found")
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def test_blacklisted_ecus(self):
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passed = True
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blacklisted_addrs = (0x7c4, 0x7d0) # includes A/C ecu and an unknown ecu
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for car_model, ecus in FW_VERSIONS.items():
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CP = interfaces[car_model][0].get_params(car_model)
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if CP.carName == 'subaru':
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for ecu in ecus.keys():
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if ecu[1] in blacklisted_addrs:
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print(f'{car_model}: Blacklisted ecu: (Ecu.{ECU_NAME[ecu[0]]}, {hex(ecu[1])})')
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passed = False
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self.assertTrue(passed, "Blacklisted FW versions found")
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if __name__ == "__main__":
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unittest.main()
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