ReactTransitionTracing-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 node
 */

let React;
let ReactNoop;
let Scheduler;
let act;
let waitForAll;
let assertLog;
let assertConsoleErrorDev;

let getCacheForType;
let useState;
let Suspense;
let Activity;
let startTransition;

let caches;
let seededCache;

describe('ReactInteractionTracing', () => {
  function stringifyDeletions(deletions) {
    return deletions
      .map(
        d =>
          `{${Object.keys(d)
            .map(key => `${key}: ${d[key]}`)
            .sort()
            .join(', ')}}`,
      )
      .join(', ');
  }
  beforeEach(() => {
    jest.resetModules();

    React = require('react');
    ReactNoop = require('react-noop-renderer');
    Scheduler = require('scheduler');

    const InternalTestUtils = require('internal-test-utils');
    act = InternalTestUtils.act;
    waitForAll = InternalTestUtils.waitForAll;
    assertLog = InternalTestUtils.assertLog;
    assertConsoleErrorDev = InternalTestUtils.assertConsoleErrorDev;

    useState = React.useState;
    startTransition = React.startTransition;
    Suspense = React.Suspense;
    Activity = React.Activity;

    getCacheForType = React.unstable_getCacheForType;

    caches = [];
// ... (2512 more lines)