class AlarmTests(unittest.TestCase):
def setUp(self):
self.sensor = Mock()
self.alarm = Alarm(self.sensor)
self.HIGH_PRESSURE = 100
self.LOW_PRESSURE = 10
self.NORMAL_PRESSURE = 19
def test_turn_alarm_on_when_sensor_is_over_high_threshold(self):
self.sensor.pressure_psi_value.return_value = self.HIGH_PRESSURE
self.alarm.check()
self.sensor.pressure_psi_value.assert_called_once_with()
self.alarm_should_be_on()
def test_alarm_should_be_off_when_sensor_is_above_low_threshold_but_below_high_threshold(
self):
self.sensor.pressure_psi_value.return_value = self.NORMAL_PRESSURE
self.alarm.check()
self.sensor.pressure_psi_value.assert_called_once_with()
self.alarm_should_be_off()
def test_turn_alarm_on_when_sensor_is_below_low_threshold(self):
self.sensor.pressure_psi_value.return_value = self.LOW_PRESSURE
self.alarm.check()
self.sensor.pressure_psi_value.assert_called_once_with()
self.alarm_should_be_on()
def test_alarm_should_stay_on_after_pressure_returns_to_normal(self):
self.sensor.pressure_psi_value.return_value = self.LOW_PRESSURE
self.alarm.check()
self.sensor.pressure_psi_value.return_value = self.NORMAL_PRESSURE
self.alarm.check()
self.alarm_should_be_on()
def alarm_should_be_on(self):
eq_(True, self.alarm.is_alarm_on())
def alarm_should_be_off(self):
eq_(False, self.alarm.is_alarm_on())
class AlarmTests(unittest.TestCase):
def setUp(self):
self.sensor = Mock()
self.alarm = Alarm(self.sensor)
self.HIGH_PRESSURE = 100
self.LOW_PRESSURE = 10
self.NORMAL_PRESSURE = 19
def test_turn_alarm_on_when_sensor_is_over_high_threshold(self):
self.sensor.pressure_psi_value.return_value = self.HIGH_PRESSURE
self.alarm.check()
self.sensor.pressure_psi_value.assert_called_once_with()
self.alarm_should_be_on()
def test_alarm_should_be_off_when_sensor_is_above_low_threshold_but_below_high_threshold(self):
self.sensor.pressure_psi_value.return_value = self.NORMAL_PRESSURE
self.alarm.check()
self.sensor.pressure_psi_value.assert_called_once_with()
self.alarm_should_be_off()
def test_turn_alarm_on_when_sensor_is_below_low_threshold(self):
self.sensor.pressure_psi_value.return_value = self.LOW_PRESSURE
self.alarm.check()
self.sensor.pressure_psi_value.assert_called_once_with()
self.alarm_should_be_on()
def test_alarm_should_stay_on_after_pressure_returns_to_normal(self):
self.sensor.pressure_psi_value.return_value = self.LOW_PRESSURE
self.alarm.check()
self.sensor.pressure_psi_value.return_value = self.NORMAL_PRESSURE
self.alarm.check()
self.alarm_should_be_on()
def alarm_should_be_on(self):
eq_(True, self.alarm.is_alarm_on())
def alarm_should_be_off(self):
eq_(False, self.alarm.is_alarm_on())
class AlarmTest(unittest.TestCase):
def setUp(self) -> None:
self._mock_sensor = Mock()
self._alarm = Alarm(self._mock_sensor)
def tearDown(self) -> None:
del self._mock_sensor
del self._alarm
def test_alarm_is_off_by_default(self):
self.assertEqual(self._alarm.is_alarm_on, False)
def test_value(self):
self._mock_sensor.pop_next_pressure_psi_value.return_value = 19
self._alarm.check()
self.assertEqual(self._alarm.is_alarm_on, False)
self._mock_sensor.pop_next_pressure_psi_value.return_value = 16
self._alarm.check()
self.assertEqual(self._alarm.is_alarm_on, True)
self._mock_sensor.pop_next_pressure_psi_value.return_value = 19
self._alarm.check()
self.assertEqual(self._alarm.is_alarm_on, False)
self._mock_sensor.pop_next_pressure_psi_value.return_value = 25
self._alarm.check()
self.assertEqual(self._alarm.is_alarm_on, True)
self._mock_sensor.pop_next_pressure_psi_value.return_value = 19
self._alarm.check()
self.assertEqual(self._alarm.is_alarm_on, False)
def test_no_arg(self):
with patch("tire_pressure_monitoring.Sensor") as mock_sensor:
mock_sensor.return_value = 5
temp_alarm = Alarm()
self.assertEqual(temp_alarm._sensor, 5)
def test_do_something(self):
alarm = Alarm()
alarm.check()
alarm.is_alarm_on
