ReactDOMServerIntegrationBasic-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
 * @jest-environment ./scripts/jest/ReactDOMServerIntegrationEnvironment
 */

'use strict';

const ReactDOMServerIntegrationUtils = require('./utils/ReactDOMServerIntegrationTestUtils');

const TEXT_NODE_TYPE = 3;

let React;
let ReactDOMClient;
let ReactDOMServer;

function initModules() {
  // Reset warning cache.
  jest.resetModules();
  React = require('react');
  ReactDOMClient = require('react-dom/client');
  ReactDOMServer = require('react-dom/server');

  // Make them available to the helpers.
  return {
    ReactDOMClient,
    ReactDOMServer,
  };
}

const {resetModules, itRenders} = ReactDOMServerIntegrationUtils(initModules);

describe('ReactDOMServerIntegration', () => {
  beforeEach(() => {
    resetModules();
  });

  describe('basic rendering', function () {
    itRenders('a blank div', async render => {
      const e = await render(<div />);
      expect(e.tagName).toBe('DIV');
    });

    itRenders('a self-closing tag', async render => {
      const e = await render(<br />);
      expect(e.tagName).toBe('BR');
    });

    itRenders('a self-closing tag as a child', async render => {
      const e = await render(
        <div>
          <br />
        </div>,
      );
      expect(e.childNodes.length).toBe(1);
      expect(e.firstChild.tagName).toBe('BR');
// ... (102 more lines)