def test_clearPins(self):
mockGPIO = Mock()
lp = LightProvider(mockGPIO)
lp.clearPins()
mockGPIO.output.assert_any_call(LightProvider.RED_PIN(), mockGPIO.LOW)
mockGPIO.output.assert_any_call(LightProvider.GREEN_PIN(), mockGPIO.LOW)
mockGPIO.output.assert_any_call(LightProvider.YELLOW_PIN(), mockGPIO.LOW)
