egui/crates/egui_kittest/README.md

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# egui_kittest
Ui testing library for egui, based on [kittest](https://github.com/rerun-io/kittest) (an [AccessKit](https://github.com/AccessKit/accesskit) based testing library).
```rust
use egui::accesskit::{Role, Toggled};
use egui::{CentralPanel, Context, TextEdit, Vec2};
use egui_kittest::Harness;
use kittest::Queryable;
use std::cell::RefCell;
fn main() {
let mut checked = false;
let app = |ctx: &Context| {
CentralPanel::default().show(ctx, |ui| {
ui.checkbox(&mut checked, "Check me!");
});
};
let mut harness = Harness::builder().with_size(egui::Vec2::new(200.0, 100.0)).build(app);
let checkbox = harness.get_by_name("Check me!");
assert_eq!(checkbox.toggled(), Some(Toggled::False));
checkbox.click();
harness.run();
let checkbox = harness.get_by_name("Check me!");
assert_eq!(checkbox.toggled(), Some(Toggled::True));
// You can even render the ui and do image snapshot tests
#[cfg(all(feature = "wgpu", feature = "snapshot"))]
harness.wgpu_snapshot("readme_example");
}
```