class TestHardwareStatusCollectorService(object):
SAMPLE_CAPACITOR_VOLTAGE = 5 * 1000
@mock.patch('drivers.microcontroller_driver.MicrocontrollerDriver.MicrocontrollerDriver', autospec = False)
def setup(self, microcontroller_driver_mock):
self._microcontroller_driver_mock_instance = microcontroller_driver_mock.return_value
self._microcontroller_driver_mock_instance.get_capacitor_voltage.return_value = self.SAMPLE_CAPACITOR_VOLTAGE
self._hardware_status_collector_service = HardwareStatusCollectorService(self._microcontroller_driver_mock_instance)
def test_when_getting_capacitor_voltage_then_capacitor_voltage_is_returned(self):
returned_capacitor_voltage = self._hardware_status_collector_service.get_capacitor_voltage()
assert_equals(returned_capacitor_voltage, self.SAMPLE_CAPACITOR_VOLTAGE * HardwareStatusCollectorService.CAPACITOR_VOLTAGE_SCALE)
def test_given_empty_capacitor_voltage_when_getting_capacitor_voltage_then_empty_capacitor_voltage_is_returned(self):
self._microcontroller_driver_mock_instance.get_capacitor_voltage.return_value = None
returned_capacitor_voltage = self._hardware_status_collector_service.get_capacitor_voltage()
assert_equals(returned_capacitor_voltage, None)
def test_when_getting_remaining_capacitory_energy_then_remaining_capacitor_energy_is_returned(self):
returned_capacitor_energy = self._hardware_status_collector_service.get_remaining_capacitor_energy()
assert_true(returned_capacitor_energy > 0)
def setup(self, microcontroller_driver_mock):
self._microcontroller_driver_mock_instance = microcontroller_driver_mock.return_value
self._microcontroller_driver_mock_instance.get_capacitor_voltage.return_value = self.SAMPLE_CAPACITOR_VOLTAGE
self._hardware_status_collector_service = HardwareStatusCollectorService(self._microcontroller_driver_mock_instance)