Files
gpui-native-kit/crates/data/tests/tabs.rs
T
2026-10-30 14:35:00 +07:00

113 lines
3.8 KiB
Rust

use std::{cell::RefCell, rc::Rc};
use gpui::{
Context, IntoElement, Modifiers, MouseButton, ParentElement as _, Render, Styled as _,
TestAppContext, VisualTestContext, Window, div, point, px,
};
use gpui_native_data::tabs::{Tab, Tabs};
use gpui_native_theme::Theme;
type Changes = Rc<RefCell<Vec<usize>>>;
struct Harness {
selected: usize,
changes: Changes,
}
impl Render for Harness {
fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
let changes = self.changes.clone();
let view = cx.entity();
div().size_full().child(
Tabs::new("test-tabs")
.selected(self.selected)
.on_change(move |next, _, cx| {
changes.borrow_mut().push(next);
view.update(cx, |harness, cx| {
harness.selected = next;
cx.notify();
});
})
.tabs(|_, _| {
vec![
Tab::new("One"),
Tab::new("Two"),
Tab::new("Off").disabled(true),
Tab::new("End"),
]
}),
)
}
}
/// Same-length labels keep the strip's geometry predictable: each tab is
/// roughly 40 px wide with a 4 px gap, so clicks at `(20/62/104/146, 12)`
/// land on One / Two / the disabled Off / End.
fn tabs_window() -> (TestAppContext, VisualTestContext, Changes) {
let mut cx = TestAppContext::single();
cx.update(Theme::init);
let changes = Rc::new(RefCell::new(Vec::new()));
let harness_changes = changes.clone();
let window = cx.add_window(move |_, _| Harness {
selected: 0,
changes: harness_changes,
});
let mut visual = VisualTestContext::from_window(window.into(), &cx);
visual.update(|window, cx| {
window.draw(cx).clear(cx);
});
(cx, visual, changes)
}
fn click(visual: &mut VisualTestContext, position: gpui::Point<gpui::Pixels>) {
visual.simulate_mouse_down(position, MouseButton::Left, Modifiers::default());
visual.simulate_mouse_up(position, MouseButton::Left, Modifiers::default());
}
#[test]
fn clicking_a_tab_selects_it_and_hands_the_strip_the_keyboard() {
let (_cx, mut visual, changes) = tabs_window();
// Tab 0 is already selected; selecting it again reports nothing.
click(&mut visual, point(px(20.), px(12.)));
assert!(changes.borrow().is_empty());
// The click focused the strip, so the arrows switch from here.
visual.simulate_keystrokes("right");
assert_eq!(*changes.borrow(), vec![1]);
}
#[test]
fn clicking_a_disabled_tab_reports_nothing() {
let (_cx, mut visual, changes) = tabs_window();
click(&mut visual, point(px(104.), px(12.)));
assert!(changes.borrow().is_empty());
}
#[test]
fn arrow_keys_skip_disabled_tabs_and_never_wrap() {
let (_cx, mut visual, changes) = tabs_window();
click(&mut visual, point(px(20.), px(12.))); // One: already selected, no report
visual.simulate_keystrokes("right"); // Two
visual.simulate_keystrokes("right"); // over the disabled tab → End
visual.simulate_keystrokes("right"); // last; no wrap
assert_eq!(*changes.borrow(), vec![1, 3]);
visual.simulate_keystrokes("left"); // over the disabled tab → Two
visual.simulate_keystrokes("home"); // One
visual.simulate_keystrokes("end"); // End
assert_eq!(*changes.borrow(), vec![1, 3, 1, 0, 3]);
}
#[test]
fn clicking_a_different_tab_reports_once() {
let (_cx, mut visual, changes) = tabs_window();
click(&mut visual, point(px(20.), px(12.))); // One: no change, just focus
click(&mut visual, point(px(62.), px(12.))); // Two
click(&mut visual, point(px(62.), px(12.))); // Two again: no change
assert_eq!(*changes.borrow(), vec![1]);
}