if (global.window) {
throw new Error('This test must run in a Node environment.');
}
const React = require('react');
const ReactDOMClient = require('react-dom/client');
const Scheduler = require('scheduler');
const {JSDOM} = require('jsdom');
global.requestAnimationFrame = setTimeout;
global.cancelAnimationFrame = clearTimeout;
const jsdom = new JSDOM(`<div id="app-root"></div>`);
global.window = jsdom.window;
global.document = jsdom.window.document;
global.navigator = jsdom.window.navigator;
class Bad extends React.Component {
componentDidUpdate() {
throw new Error('no');
}
render() {
return null;
}
}
async function fakeAct(cb) {
await cb();
Scheduler.unstable_flushAll();
}
describe('ReactErrorLoggingRecovery', () => {
const originalConsoleError = console.error;
beforeEach(() => {
console.error = error => {
throw new Error('Buggy console.error');
};
});
afterEach(() => {
console.error = originalConsoleError;
});
it('should recover from errors in console.error', async function () {
const div = document.createElement('div');
const root = ReactDOMClient.createRoot(div);
await fakeAct(() => {
root.render(<Bad />);
});
await fakeAct(() => {
root.render(<Bad />);
});
expect(() => jest.runAllTimers()).toThrow('');
await fakeAct(() => {
root.render(<span>Hello</span>);
});
expect(div.firstChild.textContent).toBe('Hello');
});
});