def METHOD_NAME(self):
    self.dps[FAN_DPS] = "0"
    self.assertEqual(self.subject.fan_mode, FAN_AUTO)
    self.dps[FAN_DPS] = "1"
    self.assertEqual(self.subject.fan_mode, FAN_HIGH)
    self.dps[FAN_DPS] = "2"
    self.assertEqual(self.subject.fan_mode, FAN_MEDIUM)
    self.dps[FAN_DPS] = "3"
    self.assertEqual(self.subject.fan_mode, FAN_LOW)