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							91 lines
						
					
					
						
							3.2 KiB
						
					
					
				
			
		
		
	
	
							91 lines
						
					
					
						
							3.2 KiB
						
					
					
				#!/usr/bin/env python3
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import random
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import unittest
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from itertools import product
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from parameterized import parameterized
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from cereal import car
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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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from selfdrive.car.toyota.values import CAR as TOYOTA
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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)
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    self.assertEqual(candidates[0], expected)
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  def test_rav4_tss2(self):
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    CP = car.CarParams.new_message()
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    CP.carFw = [
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      {"ecu": Ecu.esp,
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       "fwVersion": b"\x01F15260R210\x00\x00\x00\x00\x00\x00",
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       "address": 1968,
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       "subAddress": 0},
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      {"ecu": Ecu.engine,
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       "fwVersion": b"\x028966342Y8000\x00\x00\x00\x00897CF1201001\x00\x00\x00\x00",
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       "address": 1792,
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       "subAddress": 0},
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      {"ecu": Ecu.eps,
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       "fwVersion": b"\x028965B0R01200\x00\x00\x00\x008965B0R02200\x00\x00\x00\x00",
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       "address": 1953,
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       "subAddress": 0},
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      {"ecu": Ecu.fwdRadar,
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       "fwVersion": b"\x018821F3301200\x00\x00\x00\x00",
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       "address": 1872,
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       "subAddress": 15},
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      {"ecu": Ecu.fwdCamera,
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       "fwVersion": b"\x028646F4203300\x00\x00\x00\x008646G26011A0\x00\x00\x00\x00",
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       "address": 1872,
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       "subAddress": 109}
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    ]
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    self.assertFingerprints(match_fw_to_car(CP.carFw), TOYOTA.RAV4_TSS2)
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  @parameterized.expand([(k, v) for k, v in FW_VERSIONS.items()])
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  def test_fw_fingerprint_all(self, car_model, ecus):
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    # TODO: this is too slow, so don't run for now
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    return
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    ecu_fw_lists = []  # pylint: disable=W0101
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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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      ecu_fw_lists.append([])
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      for fw in fw_versions:
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        ecu_fw_lists[-1].append({"ecu": ecu_name, "fwVersion": fw, "address": addr,
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                                 "subAddress": 0 if sub_addr is None else sub_addr})
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    CP = car.CarParams.new_message()
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    for car_fw in product(*ecu_fw_lists):
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      CP.carFw = car_fw
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      self.assertFingerprints(match_fw_to_car(CP.carFw), car_model)
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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(20):
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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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      self.assertFingerprints(match_fw_to_car(CP.carFw), 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 = set([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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if __name__ == "__main__":
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  unittest.main()
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