egui/crates/egui_kittest/tests/regression_tests.rs

265 lines
8.4 KiB
Rust

use egui::accesskit::{self, Role};
use egui::{Button, ComboBox, Image, Modifiers, Popup, Vec2, Widget as _};
#[cfg(all(feature = "wgpu", feature = "snapshot"))]
use egui_kittest::SnapshotResults;
use egui_kittest::{Harness, kittest::Queryable as _};
#[test]
pub fn focus_should_skip_over_disabled_buttons() {
let mut harness = Harness::new_ui(|ui| {
ui.add(Button::new("Button 1"));
ui.add_enabled(false, Button::new("Button Disabled"));
ui.add(Button::new("Button 3"));
});
harness.key_press(egui::Key::Tab);
harness.run();
let button_1 = harness.get_by_label("Button 1");
assert!(button_1.is_focused());
harness.key_press(egui::Key::Tab);
harness.run();
let button_3 = harness.get_by_label("Button 3");
assert!(button_3.is_focused());
harness.key_press(egui::Key::Tab);
harness.run();
let button_1 = harness.get_by_label("Button 1");
assert!(button_1.is_focused());
}
#[test]
pub fn focus_should_skip_over_disabled_drag_values() {
let mut value_1: u16 = 1;
let mut value_2: u16 = 2;
let mut value_3: u16 = 3;
let mut harness = Harness::new_ui(|ui| {
ui.add(egui::DragValue::new(&mut value_1));
ui.add_enabled(false, egui::DragValue::new(&mut value_2));
ui.add(egui::DragValue::new(&mut value_3));
});
harness.key_press(egui::Key::Tab);
harness.run();
let drag_value_1 = harness.get_by(|node| node.numeric_value() == Some(1.0));
assert!(drag_value_1.is_focused());
harness.key_press(egui::Key::Tab);
harness.run();
let drag_value_3 = harness.get_by(|node| node.numeric_value() == Some(3.0));
assert!(drag_value_3.is_focused());
}
#[test]
fn image_failed() {
let mut harness = Harness::new_ui(|ui| {
Image::new("file://invalid/path")
.alt_text("I have an alt text")
.max_size(Vec2::new(100.0, 100.0))
.ui(ui);
});
harness.run();
harness.fit_contents();
#[cfg(all(feature = "wgpu", feature = "snapshot"))]
harness.snapshot("image_snapshots");
}
#[test]
fn test_combobox() {
let items = ["Item 1", "Item 2", "Item 3"];
let mut harness = Harness::builder()
.with_size(Vec2::new(300.0, 200.0))
.build_ui_state(
|ui, selected| {
ComboBox::new("combobox", "Select Something").show_index(
ui,
selected,
items.len(),
|idx| *items.get(idx).expect("Invalid index"),
);
},
0,
);
harness.run();
#[cfg(all(feature = "wgpu", feature = "snapshot"))]
let mut results = SnapshotResults::new();
#[cfg(all(feature = "wgpu", feature = "snapshot"))]
results.add(harness.try_snapshot("combobox_closed"));
let combobox = harness.get_by_role_and_label(Role::ComboBox, "Select Something");
combobox.click();
harness.run();
#[cfg(all(feature = "wgpu", feature = "snapshot"))]
results.add(harness.try_snapshot("combobox_opened"));
let item_2 = harness.get_by_role_and_label(Role::Button, "Item 2");
item_2.click();
harness.run();
assert_eq!(harness.state(), &1);
// Popup should be closed now
assert!(harness.query_by_label("Item 2").is_none());
}
/// `https://github.com/emilk/egui/issues/7065`
#[test]
pub fn slider_should_move_with_fixed_decimals() {
let mut value: f32 = 1.0;
let mut harness = Harness::new_ui(|ui| {
// Movement on arrow-key is relative to slider width; make the slider wide so the movement becomes small.
ui.spacing_mut().slider_width = 2000.0;
ui.add(egui::Slider::new(&mut value, 0.1..=10.0).fixed_decimals(2));
});
harness.key_press(egui::Key::Tab);
harness.run();
let actual_slider = harness.get_by_role(accesskit::Role::SpinButton);
assert_eq!(actual_slider.value(), Some("1.00".to_owned()));
harness.key_press(egui::Key::ArrowRight);
harness.run();
let actual_slider = harness.get_by_role(accesskit::Role::SpinButton);
assert_eq!(actual_slider.value(), Some("1.01".to_owned()));
harness.key_press(egui::Key::ArrowRight);
harness.run();
let actual_slider = harness.get_by_role(accesskit::Role::SpinButton);
assert_eq!(actual_slider.value(), Some("1.02".to_owned()));
harness.key_press(egui::Key::ArrowLeft);
harness.run();
let actual_slider = harness.get_by_role(accesskit::Role::SpinButton);
assert_eq!(actual_slider.value(), Some("1.01".to_owned()));
harness.key_press(egui::Key::ArrowLeft);
harness.run();
let actual_slider = harness.get_by_role(accesskit::Role::SpinButton);
assert_eq!(actual_slider.value(), Some("1.00".to_owned()));
}
#[test]
pub fn override_text_color_affects_interactive_widgets() {
use egui::{Color32, RichText};
let mut harness = Harness::new_ui(|ui| {
_ = ui.button("normal");
_ = ui.checkbox(&mut true, "normal");
_ = ui.radio(true, "normal");
ui.visuals_mut().widgets.inactive.fg_stroke.color = Color32::RED;
_ = ui.button("red");
_ = ui.checkbox(&mut true, "red");
_ = ui.radio(true, "red");
// override_text_color takes precedence over `WidgetVisuals`, as it docstring claims
ui.visuals_mut().override_text_color = Some(Color32::GREEN);
_ = ui.button("green");
_ = ui.checkbox(&mut true, "green");
_ = ui.radio(true, "green");
// Setting the color explicitly with `RichText` overrides style
_ = ui.button(RichText::new("blue").color(Color32::BLUE));
_ = ui.checkbox(&mut true, RichText::new("blue").color(Color32::BLUE));
_ = ui.radio(true, RichText::new("blue").color(Color32::BLUE));
});
#[cfg(all(feature = "wgpu", feature = "snapshot"))]
let mut results = SnapshotResults::new();
#[cfg(all(feature = "wgpu", feature = "snapshot"))]
results.add(harness.try_snapshot("override_text_color_interactive"));
}
/// <https://github.com/rerun-io/rerun/issues/11301>
#[test]
pub fn menus_should_close_even_if_submenu_disappears() {
const OTHER_BUTTON: &str = "Other button";
const MENU_BUTTON: &str = "Menu";
const SUB_MENU_BUTTON: &str = "Always here";
const TOGGLABLE_SUB_MENU_BUTTON: &str = "Maybe here";
const INSIDE_SUB_MENU_BUTTON: &str = "Inside submenu";
for frame_delay in (0..3).rev() {
let mut harness = Harness::builder().build_ui_state(
|ui, state| {
let _ = ui.button(OTHER_BUTTON).clicked();
let response = ui.button(MENU_BUTTON);
Popup::menu(&response).show(|ui| {
let _ = ui.button(SUB_MENU_BUTTON);
if *state {
ui.menu_button(TOGGLABLE_SUB_MENU_BUTTON, |ui| {
let _ = ui.button(INSIDE_SUB_MENU_BUTTON);
});
}
});
},
true,
);
// Open the main menu
harness.get_by_label(MENU_BUTTON).click();
harness.run();
// Open the sub menu
harness
.get_by_label_contains(TOGGLABLE_SUB_MENU_BUTTON)
.hover();
harness.run();
// Have we opened the submenu successfully?
harness.get_by_label(INSIDE_SUB_MENU_BUTTON).hover();
harness.run();
// We click manually, since we want to precisely time that the sub menu disappears when the
// button is released
let center = harness.get_by_label(OTHER_BUTTON).rect().center();
harness.input_mut().events.push(egui::Event::PointerButton {
pos: center,
button: egui::PointerButton::Primary,
pressed: true,
modifiers: Modifiers::default(),
});
harness.step();
// Yank the sub menu from under the pointer
*harness.state_mut() = false;
// See if we handle it with or without a frame delay
harness.run_steps(frame_delay);
// Actually close the menu by clicking somewhere outside
harness.input_mut().events.push(egui::Event::PointerButton {
pos: center,
button: egui::PointerButton::Primary,
pressed: false,
modifiers: Modifiers::default(),
});
harness.run();
assert!(
harness.query_by_label_contains(SUB_MENU_BUTTON).is_none(),
"Menu failed to close. frame_delay = {frame_delay}"
);
}
}