'use strict';
describe('SyntheticFocusEvent', () => {
let React;
let ReactDOMClient;
let act;
let container;
beforeEach(() => {
jest.resetModules();
React = require('react');
ReactDOMClient = require('react-dom/client');
act = require('internal-test-utils').act;
container = document.createElement('div');
document.body.appendChild(container);
});
afterEach(() => {
document.body.removeChild(container);
container = null;
});
it('onFocus events have the focus type', async () => {
const log = [];
const root = ReactDOMClient.createRoot(container);
await act(() => {
root.render(
<button
onFocus={event => log.push(`onFocus: ${event.type}`)}
onFocusCapture={event => log.push(`onFocusCapture: ${event.type}`)}
/>,
);
});
const button = container.querySelector('button');
await act(() => {
button.dispatchEvent(
new FocusEvent('focusin', {
bubbles: true,
cancelable: false,
}),
);
});
expect(log).toEqual(['onFocusCapture: focus', 'onFocus: focus']);
});
it('onBlur events have the blur type', async () => {
const log = [];
const root = ReactDOMClient.createRoot(container);
await act(() => {
root.render(
<button
onBlur={event => log.push(`onBlur: ${event.type}`)}
onBlurCapture={event => log.push(`onBlurCapture: ${event.type}`)}
/>,
);
});
const button = container.querySelector('button');
await act(() => {
button.dispatchEvent(
new FocusEvent('focusout', {
bubbles: true,
cancelable: false,
}),
);
});
expect(log).toEqual(['onBlurCapture: blur', 'onBlur: blur']);
});
});