ReactCacheOld-test.internal.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 ReactCache;
let createResource;
let React;
let ReactNoop;
let Scheduler;
let Suspense;
let TextResource;
let textResourceShouldFail;
let waitForAll;
let waitForPaint;
let assertLog;
let waitForThrow;
let act;
let assertConsoleErrorDev;

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

    React = require('react');
    Suspense = React.Suspense;
    ReactCache = require('react-cache');
    createResource = ReactCache.unstable_createResource;
    ReactNoop = require('react-noop-renderer');
    Scheduler = require('scheduler');

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

    TextResource = createResource(
      ([text, ms = 0]) => {
        let listeners = null;
        let status = 'pending';
        let value = null;
        return {
          then(resolve, reject) {
            switch (status) {
              case 'pending': {
                if (listeners === null) {
                  listeners = [{resolve, reject}];
                  setTimeout(() => {
                    if (textResourceShouldFail) {
                      Scheduler.log(`Promise rejected [${text}]`);
                      status = 'rejected';
// ... (363 more lines)