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| 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 { |
| 13 | + getVisibleChildren, |
| 14 | + insertNodesAndExecuteScripts, |
| 15 | +} from '../test-utils/FizzTestUtils'; |
| 16 | + |
| 17 | +// Polyfills for test environment |
| 18 | +global.ReadableStream = |
| 19 | + require('web-streams-polyfill/ponyfill/es6').ReadableStream; |
| 20 | +global.TextEncoder = require('util').TextEncoder; |
| 21 | + |
| 22 | +let React; |
| 23 | +let ReactDOM; |
| 24 | +let ReactDOMFizzServer; |
| 25 | +let ReactDOMFizzStatic; |
| 26 | +let Suspense; |
| 27 | +let container; |
| 28 | + |
| 29 | +describe('ReactDOMFizzStaticFloat', () => { |
| 30 | + beforeEach(() => { |
| 31 | + jest.resetModules(); |
| 32 | + React = require('react'); |
| 33 | + ReactDOM = require('react-dom'); |
| 34 | + ReactDOMFizzServer = require('react-dom/server.browser'); |
| 35 | + if (__EXPERIMENTAL__) { |
| 36 | + ReactDOMFizzStatic = require('react-dom/static.browser'); |
| 37 | + } |
| 38 | + Suspense = React.Suspense; |
| 39 | + container = document.createElement('div'); |
| 40 | + document.body.appendChild(container); |
| 41 | + }); |
| 42 | + |
| 43 | + afterEach(() => { |
| 44 | + document.body.removeChild(container); |
| 45 | + }); |
| 46 | + |
| 47 | + async function readIntoContainer(stream) { |
| 48 | + const reader = stream.getReader(); |
| 49 | + let result = ''; |
| 50 | + while (true) { |
| 51 | + const {done, value} = await reader.read(); |
| 52 | + if (done) { |
| 53 | + break; |
| 54 | + } |
| 55 | + result += Buffer.from(value).toString('utf8'); |
| 56 | + } |
| 57 | + const temp = document.createElement('div'); |
| 58 | + temp.innerHTML = result; |
| 59 | + await insertNodesAndExecuteScripts(temp, container, null); |
| 60 | + } |
| 61 | + |
| 62 | + // @gate enablePostpone |
| 63 | + it('should transfer connection credentials across prerender and resume for stylesheets, scripts, and moduleScripts', async () => { |
| 64 | + let prerendering = true; |
| 65 | + function Postpone() { |
| 66 | + if (prerendering) { |
| 67 | + React.unstable_postpone(); |
| 68 | + } |
| 69 | + return ( |
| 70 | + <> |
| 71 | + <link rel="stylesheet" href="style creds" precedence="default" /> |
| 72 | + <script async={true} src="script creds" data-meaningful="" /> |
| 73 | + <script |
| 74 | + type="module" |
| 75 | + async={true} |
| 76 | + src="module creds" |
| 77 | + data-meaningful="" |
| 78 | + /> |
| 79 | + <link rel="stylesheet" href="style anon" precedence="default" /> |
| 80 | + <script async={true} src="script anon" data-meaningful="" /> |
| 81 | + <script |
| 82 | + type="module" |
| 83 | + async={true} |
| 84 | + src="module default" |
| 85 | + data-meaningful="" |
| 86 | + /> |
| 87 | + </> |
| 88 | + ); |
| 89 | + } |
| 90 | + |
| 91 | + function App() { |
| 92 | + ReactDOM.preload('style creds', { |
| 93 | + as: 'style', |
| 94 | + crossOrigin: 'use-credentials', |
| 95 | + }); |
| 96 | + ReactDOM.preload('script creds', { |
| 97 | + as: 'script', |
| 98 | + crossOrigin: 'use-credentials', |
| 99 | + integrity: 'script-hash', |
| 100 | + }); |
| 101 | + ReactDOM.preloadModule('module creds', { |
| 102 | + crossOrigin: 'use-credentials', |
| 103 | + integrity: 'module-hash', |
| 104 | + }); |
| 105 | + ReactDOM.preload('style anon', { |
| 106 | + as: 'style', |
| 107 | + crossOrigin: 'anonymous', |
| 108 | + }); |
| 109 | + ReactDOM.preload('script anon', { |
| 110 | + as: 'script', |
| 111 | + crossOrigin: 'foobar', |
| 112 | + }); |
| 113 | + ReactDOM.preloadModule('module default', { |
| 114 | + integrity: 'module-hash', |
| 115 | + }); |
| 116 | + return ( |
| 117 | + <div> |
| 118 | + <Suspense fallback="Loading..."> |
| 119 | + <Postpone /> |
| 120 | + </Suspense> |
| 121 | + </div> |
| 122 | + ); |
| 123 | + } |
| 124 | + |
| 125 | + jest.mock('script creds', () => {}, { |
| 126 | + virtual: true, |
| 127 | + }); |
| 128 | + jest.mock('module creds', () => {}, { |
| 129 | + virtual: true, |
| 130 | + }); |
| 131 | + jest.mock('script anon', () => {}, { |
| 132 | + virtual: true, |
| 133 | + }); |
| 134 | + jest.mock('module default', () => {}, { |
| 135 | + virtual: true, |
| 136 | + }); |
| 137 | + |
| 138 | + const prerendered = await ReactDOMFizzStatic.prerender(<App />); |
| 139 | + expect(prerendered.postponed).not.toBe(null); |
| 140 | + |
| 141 | + await readIntoContainer(prerendered.prelude); |
| 142 | + |
| 143 | + expect(getVisibleChildren(container)).toEqual([ |
| 144 | + <link |
| 145 | + rel="preload" |
| 146 | + as="style" |
| 147 | + href="style creds" |
| 148 | + crossorigin="use-credentials" |
| 149 | + />, |
| 150 | + <link |
| 151 | + rel="preload" |
| 152 | + as="script" |
| 153 | + href="script creds" |
| 154 | + crossorigin="use-credentials" |
| 155 | + integrity="script-hash" |
| 156 | + />, |
| 157 | + <link |
| 158 | + rel="modulepreload" |
| 159 | + href="module creds" |
| 160 | + crossorigin="use-credentials" |
| 161 | + integrity="module-hash" |
| 162 | + />, |
| 163 | + <link rel="preload" as="style" href="style anon" crossorigin="" />, |
| 164 | + <link rel="preload" as="script" href="script anon" crossorigin="" />, |
| 165 | + <link |
| 166 | + rel="modulepreload" |
| 167 | + href="module default" |
| 168 | + integrity="module-hash" |
| 169 | + />, |
| 170 | + <div>Loading...</div>, |
| 171 | + ]); |
| 172 | + |
| 173 | + prerendering = false; |
| 174 | + const content = await ReactDOMFizzServer.resume( |
| 175 | + <App />, |
| 176 | + JSON.parse(JSON.stringify(prerendered.postponed)), |
| 177 | + ); |
| 178 | + |
| 179 | + await readIntoContainer(content); |
| 180 | + |
| 181 | + // Dispatch load event to injected stylesheet |
| 182 | + const linkCreds = document.querySelector( |
| 183 | + 'link[rel="stylesheet"][href="style creds"]', |
| 184 | + ); |
| 185 | + const linkAnon = document.querySelector( |
| 186 | + 'link[rel="stylesheet"][href="style anon"]', |
| 187 | + ); |
| 188 | + const event = document.createEvent('Events'); |
| 189 | + event.initEvent('load', true, true); |
| 190 | + linkCreds.dispatchEvent(event); |
| 191 | + linkAnon.dispatchEvent(event); |
| 192 | + |
| 193 | + // Wait for the instruction microtasks to flush. |
| 194 | + await 0; |
| 195 | + await 0; |
| 196 | + |
| 197 | + expect(getVisibleChildren(document)).toEqual( |
| 198 | + <html> |
| 199 | + <head> |
| 200 | + <link |
| 201 | + rel="stylesheet" |
| 202 | + data-precedence="default" |
| 203 | + href="style creds" |
| 204 | + crossorigin="use-credentials" |
| 205 | + /> |
| 206 | + <link |
| 207 | + rel="stylesheet" |
| 208 | + data-precedence="default" |
| 209 | + href="style anon" |
| 210 | + crossorigin="" |
| 211 | + /> |
| 212 | + </head> |
| 213 | + <body> |
| 214 | + <div> |
| 215 | + <link |
| 216 | + rel="preload" |
| 217 | + as="style" |
| 218 | + href="style creds" |
| 219 | + crossorigin="use-credentials" |
| 220 | + /> |
| 221 | + <link |
| 222 | + rel="preload" |
| 223 | + as="script" |
| 224 | + href="script creds" |
| 225 | + crossorigin="use-credentials" |
| 226 | + integrity="script-hash" |
| 227 | + /> |
| 228 | + <link |
| 229 | + rel="modulepreload" |
| 230 | + href="module creds" |
| 231 | + crossorigin="use-credentials" |
| 232 | + integrity="module-hash" |
| 233 | + /> |
| 234 | + <link rel="preload" as="style" href="style anon" crossorigin="" /> |
| 235 | + <link rel="preload" as="script" href="script anon" crossorigin="" /> |
| 236 | + <link |
| 237 | + rel="modulepreload" |
| 238 | + href="module default" |
| 239 | + integrity="module-hash" |
| 240 | + /> |
| 241 | + <div /> |
| 242 | + <script |
| 243 | + async="" |
| 244 | + src="script creds" |
| 245 | + crossorigin="use-credentials" |
| 246 | + integrity="script-hash" |
| 247 | + data-meaningful="" |
| 248 | + /> |
| 249 | + <script |
| 250 | + type="module" |
| 251 | + async="" |
| 252 | + src="module creds" |
| 253 | + crossorigin="use-credentials" |
| 254 | + integrity="module-hash" |
| 255 | + data-meaningful="" |
| 256 | + /> |
| 257 | + <script |
| 258 | + async="" |
| 259 | + src="script anon" |
| 260 | + crossorigin="" |
| 261 | + data-meaningful="" |
| 262 | + /> |
| 263 | + <script |
| 264 | + type="module" |
| 265 | + async="" |
| 266 | + src="module default" |
| 267 | + integrity="module-hash" |
| 268 | + data-meaningful="" |
| 269 | + /> |
| 270 | + </div> |
| 271 | + </body> |
| 272 | + </html>, |
| 273 | + ); |
| 274 | + }); |
| 275 | +}); |
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