| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | * |
| 7 | * @emails react-core |
| 8 | */ |
| 9 | |
| 10 | 'use strict'; |
| 11 | |
| 12 | import {patchMessageChannel} from '../../../../scripts/jest/patchMessageChannel'; |
| 13 | |
| 14 | // Polyfills for test environment |
| 15 | global.ReadableStream = |
| 16 | require('web-streams-polyfill/ponyfill/es6').ReadableStream; |
| 17 | global.TextEncoder = require('util').TextEncoder; |
| 18 | global.TextDecoder = require('util').TextDecoder; |
| 19 | |
| 20 | describe('ReactFlight with a non-writable Promise.prototype.then', () => { |
| 21 | let originalThen; |
| 22 | |
| 23 | beforeEach(() => { |
| 24 | jest.resetModules(); |
| 25 | originalThen = Object.getOwnPropertyDescriptor(Promise.prototype, 'then'); |
| 26 | // eslint-disable-next-line no-extend-native |
| 27 | Object.defineProperty(Promise.prototype, 'then', { |
| 28 | ...originalThen, |
| 29 | writable: false, |
| 30 | }); |
| 31 | }); |
| 32 | |
| 33 | afterEach(() => { |
| 34 | // eslint-disable-next-line no-extend-native |
| 35 | Object.defineProperty(Promise.prototype, 'then', originalThen); |
| 36 | }); |
| 37 | |
| 38 | it('can require Server and Client entrypoints', () => { |
| 39 | patchMessageChannel(require('scheduler')); |
| 40 | // Simulate the condition resolution |
| 41 | jest.mock('react', () => require('react/react.react-server')); |
| 42 | jest.mock('react-server-dom-webpack/server', () => |
| 43 | require('react-server-dom-webpack/server.browser'), |
| 44 | ); |
| 45 | require('./utils/WebpackMock'); |
| 46 | const ReactServerDOMServer = require('react-server-dom-webpack/server'); |
| 47 | expect(typeof ReactServerDOMServer.decodeReply).toBe('function'); |
| 48 | |
| 49 | __unmockReact(); |
| 50 | jest.resetModules(); |
| 51 | const ReactServerDOMClient = require('react-server-dom-webpack/client'); |
| 52 | expect(typeof ReactServerDOMClient.createFromReadableStream).toBe( |
| 53 | 'function', |
| 54 | ); |
| 55 | }); |
| 56 | }); |