ReactStrictMode-test.js — react Source File

Source Code

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @emails react-core
 */

'use strict';

let React;
let ReactDOM;
let ReactDOMClient;
let ReactDOMServer;
let PropTypes;
let act;
let useMemo;
let useState;
let useReducer;
let assertConsoleErrorDev;
let assertConsoleWarnDev;

describe('ReactStrictMode', () => {
  beforeEach(() => {
    jest.resetModules();
    React = require('react');
    ReactDOM = require('react-dom');
    ReactDOMClient = require('react-dom/client');
    ReactDOMServer = require('react-dom/server');
    ({
      act,
      assertConsoleErrorDev,
      assertConsoleWarnDev,
    } = require('internal-test-utils'));
    useMemo = React.useMemo;
    useState = React.useState;
    useReducer = React.useReducer;
  });

  it('should appear in the client component stack', async () => {
    function Foo() {
      return <div ariaTypo="" />;
    }

    const container = document.createElement('div');
    const root = ReactDOMClient.createRoot(container);
    await act(() => {
      root.render(
        <React.StrictMode>
          <Foo />
        </React.StrictMode>,
      );
    });
    assertConsoleErrorDev([
      'Invalid ARIA attribute `ariaTypo`. ' +
        'ARIA attributes follow the pattern aria-* and must be lowercase.\n' +
        '    in div (at **)\n' +
        '    in Foo (at **)',
    ]);
// ... (1238 more lines)