egui/crates/egui_kittest/tests/tests.rs

141 lines
3.8 KiB
Rust

use egui::{Modifiers, ScrollArea, Vec2, include_image};
use egui_kittest::{Harness, SnapshotResults};
use kittest::Queryable as _;
#[test]
fn test_shrink() {
let mut harness = Harness::new_ui(|ui| {
ui.label("Hello, world!");
ui.separator();
ui.label("This is a test");
});
harness.fit_contents();
#[cfg(all(feature = "snapshot", feature = "wgpu"))]
harness.snapshot("test_shrink");
}
#[test]
fn test_modifiers() {
#[derive(Default)]
struct State {
cmd_clicked: bool,
cmd_z_pressed: bool,
cmd_y_pressed: bool,
}
let mut harness = Harness::new_ui_state(
|ui, state| {
if ui.button("Click me").clicked() && ui.input(|i| i.modifiers.command) {
state.cmd_clicked = true;
}
if ui.input(|i| i.modifiers.command && i.key_pressed(egui::Key::Z)) {
state.cmd_z_pressed = true;
}
if ui.input(|i| i.modifiers.command && i.key_pressed(egui::Key::Y)) {
state.cmd_y_pressed = true;
}
},
State::default(),
);
harness
.get_by_label("Click me")
.click_modifiers(Modifiers::COMMAND);
harness.run();
harness.key_press_modifiers(Modifiers::COMMAND, egui::Key::Z);
harness.run();
harness.key_combination_modifiers(Modifiers::COMMAND, &[egui::Key::Y]);
harness.run();
let state = harness.state();
assert!(state.cmd_clicked, "The button wasn't command-clicked");
assert!(state.cmd_z_pressed, "Cmd+Z wasn't pressed");
assert!(state.cmd_y_pressed, "Cmd+Y wasn't pressed");
}
#[test]
fn should_wait_for_images() {
let mut harness = Harness::builder()
.with_size(Vec2::new(60.0, 120.0))
.build_ui(|ui| {
egui_extras::install_image_loaders(ui.ctx());
let size = Vec2::splat(30.0);
ui.label("Url:");
ui.add_sized(
size,
egui::Image::new(
"https://raw.githubusercontent.com\
/emilk/egui/refs/heads/main/crates/eframe/data/icon.png",
),
);
ui.label("Include:");
ui.add_sized(
size,
egui::Image::new(include_image!("../../eframe/data/icon.png")),
);
});
harness.snapshot("should_wait_for_images");
}
fn test_scroll_harness() -> Harness<'static, bool> {
Harness::builder()
.with_size(Vec2::new(100.0, 200.0))
.build_ui_state(
|ui, state| {
ScrollArea::vertical().show(ui, |ui| {
for i in 0..20 {
ui.label(format!("Item {i}"));
}
if ui.button("Hidden Button").clicked() {
*state = true;
}
});
},
false,
)
}
#[test]
fn test_scroll_to_me() {
let mut harness = test_scroll_harness();
let mut results = SnapshotResults::new();
results.add(harness.try_snapshot("test_scroll_initial"));
harness.get_by_label("Hidden Button").scroll_to_me();
harness.run();
results.add(harness.try_snapshot("test_scroll_scrolled"));
harness.get_by_label("Hidden Button").click();
harness.run();
assert!(
harness.state(),
"The button was not clicked after scrolling."
);
}
#[test]
fn test_scroll_down() {
let mut harness = test_scroll_harness();
let button = harness.get_by_label("Hidden Button");
button.scroll_down();
button.scroll_down();
harness.run();
harness.get_by_label("Hidden Button").click();
harness.run();
assert!(
harness.state(),
"The button was not clicked after scrolling down. (Probably not scrolled enough / at all)"
);
}