def test_broken(self):
gpio = DeterministicGate("broken")
ctrl = GateController(gpio, TESTLOGGER)
with self.assertRaises(ValueError):
ctrl.get_state()
with self.assertRaises(ValueError):
ctrl.move_to_state("up")
def test_already_closed(self):
gpio = DeterministicGate("down")
ctrl = GateController(gpio, TESTLOGGER)
self.assertEqual(ctrl.get_state(), "down")
ctrl.move_to_state("down")
self.assertEqual(ctrl.get_state(), "down")
self.assertEqual(gpio.triggered, 0)
def test_simple_close(self):
gpio = DeterministicGate("up")
ctrl = GateController(gpio, TESTLOGGER)
self.assertEqual(ctrl.get_state(), "up")
gpio.states_after_trigger.extend([(1, "unknown"), (20, "down")])
ctrl.move_to_state("down")
self.assertEqual(ctrl.get_state(), "down")
self.assertEqual(gpio.triggered, 1)
def test_trigger(self):
gpio = DeterministicGate("unknown")
ctrl = GateController(gpio, TESTLOGGER)
self.assertFalse(gpio.motor_pin_state)
self.assertEqual(gpio.triggered, 0)
ctrl.trigger()
self.assertFalse(gpio.motor_pin_state)
self.assertEqual(gpio.triggered, 1)
ctrl.trigger()
self.assertFalse(gpio.motor_pin_state)
self.assertEqual(gpio.triggered, 2)
def test_unknown_open(self):
gpio = DeterministicGate("unknown")
ctrl = GateController(gpio, TESTLOGGER)
self.assertEqual(ctrl.get_state(), "transitioning")
gpio.states_after_trigger.extend([
(20, "down"),
None, # gate closes
(1, "unknown"),
(20, "up")
]) # gate opens
ctrl.move_to_state("up")
self.assertEqual(ctrl.get_state(), "up")
self.assertEqual(gpio.triggered, 2)
def test_interrupted_close(self):
gpio = DeterministicGate("up")
ctrl = GateController(gpio, TESTLOGGER)
self.assertEqual(ctrl.get_state(), "up")
gpio.states_after_trigger.extend([
(1, "unknown"),
None, # gate starts moving, but someone stops it so it never arrives anywhere
(1, "unknown"),
(20, "down")
])
ctrl.move_to_state("down")
self.assertEqual(ctrl.get_state(), "down")
self.assertEqual(gpio.triggered, 2)
def test_get_state_transitioning(self):
gpio = DeterministicGate("unknown")
ctrl = GateController(gpio, TESTLOGGER)
self.assertEqual(ctrl.get_state(), "transitioning")
def test_get_state_up(self):
gpio = DeterministicGate("up")
ctrl = GateController(gpio, TESTLOGGER)
self.assertEqual(ctrl.get_state(), "up")
def test_trigger(self):
gpio = DeterministicGate("unknown")
# Test normal triggering -- init...
self.assertEqual(gpio.motor_pin_state, False)
self.assertEqual(gpio.triggered, 0)
# Test normal triggering -- trigger once...
gpio.output(GateController.PIN_MOTOR, True)
self.assertEqual(gpio.motor_pin_state, True)
self.assertEqual(gpio.triggered, 0)
gpio.output(GateController.PIN_MOTOR, False)
self.assertEqual(gpio.motor_pin_state, False)
self.assertEqual(gpio.triggered, 1)
self.assertEqual(gpio.state, "unknown")
# Test normal triggering -- trigger twice, with a new state...
gpio.states_after_trigger.append((0, "up"))
gpio.output(GateController.PIN_MOTOR, True)
self.assertEqual(gpio.motor_pin_state, True)
self.assertEqual(gpio.triggered, 1)
gpio.output(GateController.PIN_MOTOR, False)
self.assertEqual(gpio.motor_pin_state, False)
self.assertEqual(gpio.triggered, 2)
self.assertEqual(gpio.state, "up")
# Try to output something on the input ports
with self.assertRaises(KeyError):
gpio.output(GateController.PIN_LOWER, True)
with self.assertRaises(KeyError):
gpio.output(GateController.PIN_UPPER, True)
# Try switching off the motor port while it's off already
with self.assertRaises(ValueError):
gpio.output(GateController.PIN_MOTOR, False)
# Try switching on the motor port while it's on already
gpio.output(GateController.PIN_MOTOR, True)
with self.assertRaises(ValueError):
gpio.output(GateController.PIN_MOTOR, True)
def test_get_state_broken(self):
gpio = DeterministicGate("broken")
self.assertFalse(gpio.input(GateController.PIN_LOWER))
self.assertFalse(gpio.input(GateController.PIN_UPPER))
def test_get_state_transitioning(self):
gpio = DeterministicGate("unknown")
self.assertTrue(gpio.input(GateController.PIN_LOWER))
self.assertTrue(gpio.input(GateController.PIN_UPPER))
def test_get_state_up(self):
gpio = DeterministicGate("up")
self.assertTrue(gpio.input(GateController.PIN_LOWER))
self.assertFalse(gpio.input(GateController.PIN_UPPER))