from controllers.predictive_onoff import PredictiveOnOff
def test_predictive_turns_off_early():
# setpoint 21, deadband 1 -> upper=21.5
ctrl = PredictiveOnOff(setpoint=21.0, deadband=1.0, tau=30.0, state=1)
dt = 1.0
ctrl.update(20.8, dt)
state = ctrl.update(21.2, dt) # rising fast -> predicted > upper -> OFF
assert state == 0
def test_predictive_on_when_falling():
ctrl = PredictiveOnOff(setpoint=21.0, deadband=1.0, tau=30.0, state=0)
dt = 1.0
ctrl.update(21.0, dt) # init
state = ctrl.update(20.0, dt) # falling -> predicted low -> ON
assert state == 1
