Add openpilot tests

selfdrive/controls/tests/test_state_machine.py

@@ -0,0 +1,109 @@
+#!/usr/bin/env python3
+import unittest
+
+from cereal import car, log
+from openpilot.common.realtime import DT_CTRL
+from openpilot.selfdrive.car.car_helpers import interfaces
+from openpilot.selfdrive.controls.controlsd import Controls, SOFT_DISABLE_TIME
+from openpilot.selfdrive.controls.lib.events import Events, ET, Alert, Priority, AlertSize, AlertStatus, VisualAlert, \
+                                          AudibleAlert, EVENTS
+from openpilot.selfdrive.car.mock.values import CAR as MOCK
+
+State = log.ControlsState.OpenpilotState
+
+# The event types that maintain the current state
+MAINTAIN_STATES = {State.enabled: (None,), State.disabled: (None,), State.softDisabling: (ET.SOFT_DISABLE,),
+                   State.preEnabled: (ET.PRE_ENABLE,), State.overriding: (ET.OVERRIDE_LATERAL, ET.OVERRIDE_LONGITUDINAL)}
+ALL_STATES = tuple(State.schema.enumerants.values())
+# The event types checked in DISABLED section of state machine
+ENABLE_EVENT_TYPES = (ET.ENABLE, ET.PRE_ENABLE, ET.OVERRIDE_LATERAL, ET.OVERRIDE_LONGITUDINAL)
+
+
+def make_event(event_types):
+  event = {}
+  for ev in event_types:
+    event[ev] = Alert("", "", AlertStatus.normal, AlertSize.small, Priority.LOW,
+                      VisualAlert.none, AudibleAlert.none, 1.)
+  EVENTS[0] = event
+  return 0
+
+
+class TestStateMachine(unittest.TestCase):
+
+  def setUp(self):
+    CarInterface, CarController, CarState = interfaces[MOCK.MOCK]
+    CP = CarInterface.get_non_essential_params(MOCK.MOCK)
+    CI = CarInterface(CP, CarController, CarState)
+
+    self.controlsd = Controls(CI=CI)
+    self.controlsd.events = Events()
+    self.controlsd.soft_disable_timer = int(SOFT_DISABLE_TIME / DT_CTRL)
+    self.CS = car.CarState()
+
+  def test_immediate_disable(self):
+    for state in ALL_STATES:
+      for et in MAINTAIN_STATES[state]:
+        self.controlsd.events.add(make_event([et, ET.IMMEDIATE_DISABLE]))
+        self.controlsd.state = state
+        self.controlsd.state_transition(self.CS)
+        self.assertEqual(State.disabled, self.controlsd.state)
+        self.controlsd.events.clear()
+
+  def test_user_disable(self):
+    for state in ALL_STATES:
+      for et in MAINTAIN_STATES[state]:
+        self.controlsd.events.add(make_event([et, ET.USER_DISABLE]))
+        self.controlsd.state = state
+        self.controlsd.state_transition(self.CS)
+        self.assertEqual(State.disabled, self.controlsd.state)
+        self.controlsd.events.clear()
+
+  def test_soft_disable(self):
+    for state in ALL_STATES:
+      if state == State.preEnabled:  # preEnabled considers NO_ENTRY instead
+        continue
+      for et in MAINTAIN_STATES[state]:
+        self.controlsd.events.add(make_event([et, ET.SOFT_DISABLE]))
+        self.controlsd.state = state
+        self.controlsd.state_transition(self.CS)
+        self.assertEqual(self.controlsd.state, State.disabled if state == State.disabled else State.softDisabling)
+        self.controlsd.events.clear()
+
+  def test_soft_disable_timer(self):
+    self.controlsd.state = State.enabled
+    self.controlsd.events.add(make_event([ET.SOFT_DISABLE]))
+    self.controlsd.state_transition(self.CS)
+    for _ in range(int(SOFT_DISABLE_TIME / DT_CTRL)):
+      self.assertEqual(self.controlsd.state, State.softDisabling)
+      self.controlsd.state_transition(self.CS)
+
+    self.assertEqual(self.controlsd.state, State.disabled)
+
+  def test_no_entry(self):
+    # Make sure noEntry keeps us disabled
+    for et in ENABLE_EVENT_TYPES:
+      self.controlsd.events.add(make_event([ET.NO_ENTRY, et]))
+      self.controlsd.state_transition(self.CS)
+      self.assertEqual(self.controlsd.state, State.disabled)
+      self.controlsd.events.clear()
+
+  def test_no_entry_pre_enable(self):
+    # preEnabled with noEntry event
+    self.controlsd.state = State.preEnabled
+    self.controlsd.events.add(make_event([ET.NO_ENTRY, ET.PRE_ENABLE]))
+    self.controlsd.state_transition(self.CS)
+    self.assertEqual(self.controlsd.state, State.preEnabled)
+
+  def test_maintain_states(self):
+    # Given current state's event type, we should maintain state
+    for state in ALL_STATES:
+      for et in MAINTAIN_STATES[state]:
+        self.controlsd.state = state
+        self.controlsd.events.add(make_event([et]))
+        self.controlsd.state_transition(self.CS)
+        self.assertEqual(self.controlsd.state, state)
+        self.controlsd.events.clear()
+
+
+if __name__ == "__main__":
+  unittest.main()