def test_givenResistanceOf270000_whenGettingColors_thenThirdColorIsYellow(
self):
resistance = Resistance.round_to_nearest_e12_value(261468.0)
*_, third_color = resistance.get_colors()
self.assertEqual(third_color, Color.YELLOW)
def take_resistance_measurement(self) -> Resistance:
resistance_read = self._ohmmeter.read_resistance()
print()
print()
print(resistance_read)
print()
print()
return Resistance.round_to_nearest_e12_value(resistance_read)
def test_givenResistanceValueOf4437_whenRoundToNearestE12Value_thenReturnClosestE12ValueOf4700(
self, ):
resistance_read = 4437
expected_resistance = Resistance(4700)
actual_resistance = Resistance.round_to_nearest_e12_value(
resistance_read)
self.assertEqual(expected_resistance, actual_resistance)
def test_givenResistanceValueOf50_whenRoundToNearestE12Value_thenThrowInvalidResistanceException(
self, ):
resistance_read = 50
rounding_to_nearest_e12_value = (
lambda resistance: Resistance.round_to_nearest_e12_value(resistance
))
with self.assertRaises(InvalidResistanceException):
rounding_to_nearest_e12_value(resistance_read)