ReactES6Class-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 PropTypes;
let React;
let ReactDOM;
let ReactDOMClient;
let assertConsoleErrorDev;
let assertConsoleWarnDev;

describe('ReactES6Class', () => {
  let container;
  let root;
  const freeze = function (expectation) {
    Object.freeze(expectation);
    return expectation;
  };
  let Inner;
  let attachedListener = null;
  let renderedName = null;

  beforeEach(() => {
    PropTypes = require('prop-types');
    React = require('react');
    ReactDOM = require('react-dom');
    ReactDOMClient = require('react-dom/client');
    ({
      assertConsoleErrorDev,
      assertConsoleWarnDev,
    } = require('internal-test-utils'));
    container = document.createElement('div');
    root = ReactDOMClient.createRoot(container);
    attachedListener = null;
    renderedName = null;
    Inner = class extends React.Component {
      getName() {
        return this.props.name;
      }
      render() {
        attachedListener = this.props.onClick;
        renderedName = this.props.name;
        return <div className={this.props.name} />;
      }
    };
  });

  function runTest(element, expectedTag, expectedClassName) {
    ReactDOM.flushSync(() => root.render(element));
    expect(container.firstChild).not.toBeNull();
    expect(container.firstChild.tagName).toBe(expectedTag);
    expect(container.firstChild.className).toBe(expectedClassName);
  }
// ... (577 more lines)