sta/backend/src/domain/relay/entity.rs

//! Relay entity representing a relay aggregate in the domain model.

use super::types::{RelayId, RelayState};

#[cfg(test)]
mod tests {
    use super::*;
    use crate::domain::relay::controler::ControllerError;

    #[test]
    fn test_relay_new_creates_relay() {
        // Test: Relay::new(RelayId(1), RelayState::Off, None) creates relay
        let relay_id = RelayId::new(1).unwrap();
        let relay = Relay::new(relay_id, RelayState::Off, None);

        assert_eq!(relay.id(), relay_id);
        assert_eq!(relay.state(), RelayState::Off);
        assert_eq!(relay.label(), None);
    }

    #[test]
    fn test_relay_toggle_flips_state() {
        // Test: relay.toggle() flips state
        let relay_id = RelayId::new(1).unwrap();
        let mut relay = Relay::new(relay_id, RelayState::Off, None);

        // Toggle from Off to On
        relay.toggle();
        assert_eq!(relay.state(), RelayState::On);

        // Toggle from On to Off
        relay.toggle();
        assert_eq!(relay.state(), RelayState::Off);
    }

    #[test]
    fn test_relay_turn_on_sets_state_to_on() {
        // Test: relay.turn_on() sets state to On
        let relay_id = RelayId::new(1).unwrap();
        let mut relay = Relay::new(relay_id, RelayState::Off, None);

        relay.turn_on();
        assert_eq!(relay.state(), RelayState::On);

        // Calling turn_on when already on should keep it on
        relay.turn_on();
        assert_eq!(relay.state(), RelayState::On);
    }

    #[test]
    fn test_relay_turn_off_sets_state_to_off() {
        // Test: relay.turn_off() sets state to Off
        let relay_id = RelayId::new(1).unwrap();
        let mut relay = Relay::new(relay_id, RelayState::On, None);

        relay.turn_off();
        assert_eq!(relay.state(), RelayState::Off);

        // Calling turn_off when already off should keep it off
        relay.turn_off();
        assert_eq!(relay.state(), RelayState::Off);
    }
}