def test_get_desired_value():
"""Test that sensor returns correct desired value in different states."""
const = get_const("1.4")
sensor_id = 1
child_id = 0
value_type = const.SetReq.V_LIGHT_LEVEL
wrong_child_id = 100
wrong_value_type = 9999
sensor = Sensor(sensor_id)
sensor.add_child_sensor(child_id, const.Presentation.S_LIGHT_LEVEL)
assert sensor.get_desired_value(child_id, value_type) is None
sensor.update_child_value(child_id, value_type, "50")
assert sensor.get_desired_value(child_id, value_type) == "50"
sensor.init_smart_sleep_mode()
sensor.set_child_desired_state(child_id, value_type, "90")
assert sensor.get_desired_value(child_id, value_type) == "90"
sensor.update_child_value(child_id, value_type, "70")
assert sensor.get_desired_value(child_id, value_type) == "70"
assert sensor.get_desired_value(wrong_child_id, value_type) is None
assert sensor.get_desired_value(child_id, wrong_value_type) is None
def test_get_desired_value_empty_string():
"""Test that sensor returns correct value if the desired state is empty string."""
const = get_const("1.4")
sensor_id = 1
child_id = 0
value_type = const.SetReq.V_VAR1
sensor = Sensor(sensor_id)
sensor.add_child_sensor(child_id, const.Presentation.S_CUSTOM)
assert sensor.get_desired_value(child_id, value_type) is None
sensor.update_child_value(child_id, value_type, "Some string")
assert sensor.get_desired_value(child_id, value_type) == "Some string"
sensor.init_smart_sleep_mode()
sensor.set_child_desired_state(child_id, value_type, "")
assert sensor.get_desired_value(child_id, value_type) == ""