IQ.Pilot Release Commit @ 5bc9cd3

iqdbc_repo/iqdbc/car/volkswagen/tests/test_volkswagen.py

@@ -0,0 +1,129 @@
+import random
+import re
+from types import SimpleNamespace
+
+import pytest
+
+from iqdbc.car import structs
+from iqdbc.car.volkswagen.carstate import CarState
+from iqdbc.car.structs import CarParams
+from iqdbc.car.volkswagen.values import CAR, FW_QUERY_CONFIG, WMI
+from iqdbc.car.volkswagen.fingerprints import FW_VERSIONS
+
+Ecu = CarParams.Ecu
+
+CHASSIS_CODE_PATTERN = re.compile('[A-Z0-9]{2}')
+# TODO: determine the unknown groups
+SPARE_PART_FW_PATTERN = re.compile(b'\xf1\x87(?P<gateway>[0-9][0-9A-Z]{2})(?P<unknown>[0-9][0-9A-Z][0-9])(?P<unknown2>[0-9A-Z]{2}[0-9])([A-Z0-9]| )')
+
+
+class TestVolkswagenPlatformConfigs:
+  def test_spare_part_fw_pattern(self, subtests):
+    # Relied on for determining if a FW is likely VW
+    for platform, ecus in FW_VERSIONS.items():
+      with subtests.test(platform=platform.value):
+        for fws in ecus.values():
+          for fw in fws:
+            assert SPARE_PART_FW_PATTERN.match(fw) is not None, f"Bad FW: {fw}"
+
+  def test_chassis_codes(self, subtests):
+    for platform in CAR:
+      with subtests.test(platform=platform.value):
+        assert len(platform.config.wmis) > 0, "WMIs not set"
+        assert len(platform.config.chassis_codes) > 0, "Chassis codes not set"
+        assert all(CHASSIS_CODE_PATTERN.match(cc) for cc in
+                   platform.config.chassis_codes), "Bad chassis codes"
+
+        # No two platforms should share chassis codes
+        for comp in CAR:
+          if platform == comp:
+            continue
+
+          shared_chassis_codes = platform.config.chassis_codes & comp.config.chassis_codes
+          if len(shared_chassis_codes) == 0:
+            continue
+
+          # A shared chassis code is unambiguous when the VIN WMI separates the candidates.
+          if platform.config.wmis.isdisjoint(comp.config.wmis):
+            continue
+
+          platform_model_years = getattr(platform.config, "model_years", set())
+          comp_model_years = getattr(comp.config, "model_years", set())
+          if platform_model_years and comp_model_years and platform_model_years.isdisjoint(comp_model_years):
+            continue
+
+          assert set() == shared_chassis_codes, f"Shared chassis codes: {comp}"
+
+  def test_custom_fuzzy_fingerprinting(self, subtests):
+    all_radar_fw = list({fw for ecus in FW_VERSIONS.values() for fw in ecus.get((Ecu.fwdRadar, 0x757, None), [])})
+
+    for platform in CAR:
+      with subtests.test(platform=platform.name):
+        # Fuzzy matching keys off the radar ECU (CHECK_FUZZY_ECUS), so a platform that
+        # declares no radar ECU can never be VIN-matched and should never be expected to match.
+        platform_has_radar = (Ecu.fwdRadar, 0x757, None) in FW_VERSIONS.get(platform, {})
+        for wmi in WMI:
+          for chassis_code in platform.config.chassis_codes | {"00"}:
+            platform_model_years = getattr(platform.config, "model_years", set())
+            model_years = platform_model_years if platform_model_years else {"0"}
+            for model_year in model_years | {"0"}:
+              vin = ["0"] * 17
+              vin[0:3] = wmi
+              vin[6:8] = chassis_code
+              vin[9] = model_year
+              vin = "".join(vin)
+
+              # Check a few FW cases - expected, unexpected
+              for radar_fw in random.sample(all_radar_fw, 5) + [b'\xf1\x875Q0907572G \xf1\x890571', b'\xf1\x877H9907572AA\xf1\x890396']:
+                model_year_match = len(platform_model_years) == 0 or model_year in platform_model_years
+                should_match = ((wmi in platform.config.wmis and chassis_code in platform.config.chassis_codes and model_year_match) and
+                                radar_fw in all_radar_fw and platform_has_radar)
+
+                live_fws = {(0x757, None): [radar_fw]}
+                matches = FW_QUERY_CONFIG.match_fw_to_car_fuzzy(live_fws, vin, FW_VERSIONS)
+
+                expected_matches = {platform} if should_match else set()
+                assert expected_matches == matches, "Bad match"
+
+
+@pytest.mark.parametrize("button_type", (
+  structs.CarState.ButtonEvent.Type.setCruise,
+  structs.CarState.ButtonEvent.Type.resumeCruise,
+))
+def test_button_enable_is_blocked_while_cruise_fault_lateral_mode_is_still_faulted(button_type):
+  state = object.__new__(CarState)
+  state.CP = SimpleNamespace(pcmCruise=False)
+  state.cruise_fault_lateral_active = True
+  state.cruise_faulted = True
+
+  button_events = [structs.CarState.ButtonEvent(pressed=False, type=button_type)]
+
+  assert not state.update_button_enable(button_events)
+
+
+def test_button_enable_recovers_once_cruise_fault_clears():
+  state = object.__new__(CarState)
+  state.CP = SimpleNamespace(pcmCruise=False)
+  state.cruise_fault_lateral_active = True
+  state.cruise_faulted = False
+
+  button_events = [structs.CarState.ButtonEvent(
+    pressed=False,
+    type=structs.CarState.ButtonEvent.Type.setCruise,
+  )]
+
+  assert state.update_button_enable(button_events)
+
+
+def test_pq_hca_ready_does_not_complete_eps_initialization():
+  state = object.__new__(CarState)
+  state.eps_init_complete = False
+
+  state.frame = 0
+  assert state.update_hca_state("READY", ready_confirms_init=False) == (True, False)
+
+  state.frame = 317
+  assert state.update_hca_state("FAULT", ready_confirms_init=False) == (True, False)
+
+  state.frame = 1001
+  assert state.update_hca_state("FAULT", ready_confirms_init=False) == (False, True)