react-15.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
 */

// These tests are based on ReactJSXElement-test,
// ReactJSXElementValidator-test, ReactComponent-test,
// and ReactElementJSX-test.

jest.mock('react/jsx-runtime', () => require('./jsx-runtime'), {virtual: true});
jest.mock('react/jsx-dev-runtime', () => require('./jsx-dev-runtime'), {
  virtual: true,
});

let React = require('react');
let ReactDOM = require('react-dom');
let ReactTestUtils = {
  renderIntoDocument(el) {
    const container = document.createElement('div');
    return ReactDOM.render(el, container);
  },
};
let PropTypes = require('prop-types');
let Component = class Component extends React.Component {
  render() {
    return <div />;
  }
};
let RequiredPropComponent = class extends React.Component {
  render() {
    return <span>{this.props.prop}</span>;
  }
};
RequiredPropComponent.displayName = 'RequiredPropComponent';
RequiredPropComponent.propTypes = {prop: PropTypes.string.isRequired};

it('works', () => {
  const container = document.createElement('div');
  ReactDOM.render(<h1>hello</h1>, container);
  expect(container.textContent).toBe('hello');
});

it('returns a complete element according to spec', () => {
  const element = <Component />;
  expect(element.type).toBe(Component);
  expect(element.key).toBe(null);
  expect(element.ref).toBe(null);
  const expectation = {};
  Object.freeze(expectation);
  expect(element.props).toEqual(expectation);
});

it('allows a lower-case to be passed as the string type', () => {
  const element = <div />;
  expect(element.type).toBe('div');
  expect(element.key).toBe(null);
// ... (706 more lines)