nordisk/facett

facett-pipeline/tests/a11y_priority.rs

use egui_kittest::{
    Harness,
    kittest::{NodeT, Queryable},
};
use facett_core::Facet;
const COUNT: usize = 2_100;
fn name(i: usize) -> String {
    format!("late-node-{i:04}")
}
use facett_pipeline::{Msg, PipelineView, Status};
#[test]
fn selected_and_focused_late_node_remains_named_within_budget() {
    let mut view = PipelineView::new(
        "crowded",
        (0..COUNT).map(|i| (name(i), Status::Idle)).collect(),
        vec![],
    )
    .with_clock(0.0)
    .with_selected(&name(COUNT - 1));
    view.set_camera(
        facett_core::nav::Navigable {
            scale: 0.1,
            offset: [100.0, 100.0],
            ..Default::default()
        },
        true,
    );

    let mut h = Harness::builder()
        .with_size(egui::vec2(900.0, 30_000.0))
        .build_ui_state(|ui, view: &mut PipelineView| Facet::ui(view, ui), view);
    h.run();
    let late = format!("{} · idle", name(COUNT - 1));
    assert_eq!(
        h.get_by_label(&late).accesskit_node().toggled(),
        Some(egui::accesskit::Toggled::True)
    );
    let count = |h: &Harness<'_, PipelineView>| {
        h.get_all_by_role(egui::accesskit::Role::Button)
            .filter(|node| {
                node.accesskit_node()
                    .label()
                    .unwrap_or_default()
                    .starts_with("late-node-")
            })
            .count()
    };
    assert_eq!(
        count(&h),
        2_000,
        "all nodes visible; semantic budget remains bounded"
    );
    h.get_by_label(&late).focus();
    h.run();
    h.state_mut().update(Msg::SelectNode(name(0)));
    h.run();
    assert!(
        h.get_by_label(&late).accesskit_node().label().is_some(),
        "focus retains late node after selection moves away"
    );
    assert_eq!(count(&h), 2_000);
}