ReactNewContext-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 = require('react');
let useContext;
let ReactNoop;
let Scheduler;
let gen;
let waitForAll;
let waitFor;
let waitForThrow;
let assertConsoleErrorDev;

describe('ReactNewContext', () => {
  beforeEach(() => {
    jest.resetModules();

    React = require('react');
    useContext = React.useContext;
    ReactNoop = require('react-noop-renderer');
    Scheduler = require('scheduler');
    gen = require('random-seed');

    ({
      waitForAll,
      waitFor,
      waitForThrow,
      assertConsoleErrorDev,
    } = require('internal-test-utils'));
  });

  afterEach(() => {
    jest.restoreAllMocks();
  });

  function Text(props) {
    Scheduler.log(props.text);
    return <span prop={props.text} />;
  }

  function span(prop) {
    return {type: 'span', children: [], prop, hidden: false};
  }

  function readContext(Context) {
    const dispatcher =
      React.__CLIENT_INTERNALS_DO_NOT_USE_OR_WARN_USERS_THEY_CANNOT_UPGRADE.H;
    return dispatcher.readContext(Context);
  }

  // Note: This is based on a similar component we use in www. We can delete
  // once the extra div wrapper is no longer necessary.
// ... (1613 more lines)