medius 3.0.1

Host control library for the medius transparent mouse passthrough box
Documentation 
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use crate::link::reconcile::DesiredState;
use crate::types::{Action, Button, Key, MediaKey, Usage};

#[test]
fn default_is_idle() {
    let d = DesiredState::default();
    assert!(d.is_idle());
    assert_eq!(d.held().count(), 0);
}

#[test]
fn press_is_held_and_non_idle() {
    let mut d = DesiredState::default();
    d.apply(Button::Left.into(), Action::Press);
    assert!(!d.is_idle());
    assert_eq!(
        d.held().collect::<Vec<_>>(),
        vec![(Usage::from(Button::Left), Action::Press)]
    );
}

#[test]
fn force_release_is_held() {
    let mut d = DesiredState::default();
    d.apply(Button::Right.into(), Action::ForceRelease);
    assert!(!d.is_idle());
    assert_eq!(
        d.held().collect::<Vec<_>>(),
        vec![(Usage::from(Button::Right), Action::ForceRelease)]
    );
}

#[test]
fn soft_release_clears_the_override() {
    let mut d = DesiredState::default();
    d.apply(Button::Middle.into(), Action::Press);
    d.apply(Button::Middle.into(), Action::SoftRelease);
    assert!(d.is_idle());
}

#[test]
fn clear_resets_all() {
    let mut d = DesiredState::default();
    d.apply(Button::Left.into(), Action::Press);
    d.apply(Button::Side2.into(), Action::ForceRelease);
    assert!(!d.is_idle());
    d.clear();
    assert!(d.is_idle());
    assert_eq!(d.held().count(), 0);
}

#[test]
fn held_preserves_identity_in_class_then_id_order() {
    let mut d = DesiredState::default();
    d.apply(Button::Left.into(), Action::Press);
    d.apply(Button::Side1.into(), Action::ForceRelease);
    assert_eq!(
        d.held().collect::<Vec<_>>(),
        vec![
            (Usage::from(Button::Left), Action::Press),
            (Usage::from(Button::Side1), Action::ForceRelease),
        ]
    );
}

#[test]
fn key_press_is_held_and_non_idle() {
    let mut d = DesiredState::default();
    d.apply(Key::A.into(), Action::Press);
    assert!(!d.is_idle());
    assert_eq!(
        d.held().collect::<Vec<_>>(),
        vec![(Usage::from(Key::A), Action::Press)]
    );
}

#[test]
fn key_soft_release_clears_the_override() {
    let mut d = DesiredState::default();
    d.apply(Key::LEFT_SHIFT.into(), Action::Press);
    d.apply(Key::LEFT_SHIFT.into(), Action::SoftRelease);
    assert!(d.is_idle());
    assert_eq!(d.held().count(), 0);
}

#[test]
fn media_press_is_held() {
    let mut d = DesiredState::default();
    d.apply(MediaKey::VOLUME_UP.into(), Action::Press);
    assert!(!d.is_idle());
    assert_eq!(
        d.held().collect::<Vec<_>>(),
        vec![(Usage::from(MediaKey::VOLUME_UP), Action::Press)]
    );
}

#[test]
fn media_soft_release_clears_the_override() {
    let mut d = DesiredState::default();
    d.apply(MediaKey::MUTE.into(), Action::Press);
    d.apply(MediaKey::MUTE.into(), Action::SoftRelease);
    assert!(d.is_idle());
}

#[test]
fn one_store_holds_every_class_and_orders_by_class_then_id() {
    let mut d = DesiredState::default();
    d.apply(MediaKey::VOLUME_UP.into(), Action::Press);
    d.apply(Button::Left.into(), Action::Press);
    d.apply(Key::A.into(), Action::Press);
    assert_eq!(
        d.held().map(|(u, _)| u).collect::<Vec<_>>(),
        vec![
            Usage::from(Button::Left),
            Usage::from(Key::A),
            Usage::from(MediaKey::VOLUME_UP),
        ]
    );
    d.clear();
    assert!(d.is_idle());
    assert_eq!(d.held().count(), 0);
}

#[test]
fn idle_requires_every_class_empty() {
    let mut d = DesiredState::default();
    d.apply(Key::ESCAPE.into(), Action::Press);
    assert!(!d.is_idle());
    d.apply(Key::ESCAPE.into(), Action::SoftRelease);
    assert!(d.is_idle());
    d.apply(MediaKey::PLAY_PAUSE.into(), Action::ForceRelease);
    assert!(!d.is_idle());
}