| 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 | * @jest-environment ./scripts/jest/ReactDOMServerIntegrationEnvironment |
| 9 | */ |
| 10 | |
| 11 | 'use strict'; |
| 12 | |
| 13 | const ReactDOMServerIntegrationUtils = require('./utils/ReactDOMServerIntegrationTestUtils'); |
| 14 | |
| 15 | let React; |
| 16 | let ReactDOM; |
| 17 | let ReactDOMClient; |
| 18 | let ReactDOMServer; |
| 19 | let assertConsoleErrorDev; |
| 20 | |
| 21 | function initModules() { |
| 22 | // Reset warning cache. |
| 23 | jest.resetModules(); |
| 24 | React = require('react'); |
| 25 | ReactDOM = require('react-dom'); |
| 26 | ReactDOMClient = require('react-dom/client'); |
| 27 | ReactDOMServer = require('react-dom/server'); |
| 28 | assertConsoleErrorDev = require('internal-test-utils').assertConsoleErrorDev; |
| 29 | |
| 30 | // Make them available to the helpers. |
| 31 | return { |
| 32 | ReactDOMClient, |
| 33 | ReactDOMServer, |
| 34 | }; |
| 35 | } |
| 36 | |
| 37 | const {resetModules, itRenders, clientCleanRender} = |
| 38 | ReactDOMServerIntegrationUtils(initModules); |
| 39 | |
| 40 | describe('ReactDOMServerIntegration', () => { |
| 41 | beforeEach(() => { |
| 42 | resetModules(); |
| 43 | }); |
| 44 | afterEach(() => { |
| 45 | // TODO: This is a hack because expectErrors does not restore mock, |
| 46 | // however fixing it requires a major refactor to all these tests. |
| 47 | if (console.error.mockClear) { |
| 48 | console.error.mockRestore(); |
| 49 | } |
| 50 | }); |
| 51 | |
| 52 | describe('property to attribute mapping', function () { |
| 53 | describe('string properties', function () { |
| 54 | itRenders('simple numbers', async render => { |
| 55 | const e = await render(<div width={30} />); |
| 56 | expect(e.getAttribute('width')).toBe('30'); |
| 57 | }); |
| 58 | |
| 59 | itRenders('simple strings', async render => { |
| 60 | const e = await render(<div width={'30'} />); |
| 61 | expect(e.getAttribute('width')).toBe('30'); |
| 62 | }); |
| 63 | |
| 64 | itRenders('empty src on img', async render => { |
| 65 | const e = await render(<img src="" />, 1); |
| 66 | expect(e.getAttribute('src')).toBe(null); |
| 67 | }); |
| 68 | |
| 69 | itRenders('empty href on anchor', async render => { |
| 70 | const e = await render(<a href="" />); |
| 71 | expect(e.getAttribute('href')).toBe(''); |
| 72 | }); |
| 73 | |
| 74 | itRenders('empty href on base tags as null', async render => { |
| 75 | const e = await render(<base href="" />, 1); |
| 76 | expect(e.getAttribute('href')).toBe(null); |
| 77 | }); |
| 78 | |
| 79 | itRenders('empty href on area tags as null', async render => { |
| 80 | const e = await render( |
| 81 | <map> |
| 82 | <area alt="" href="" /> |
| 83 | </map>, |
| 84 | 1, |
| 85 | ); |
| 86 | expect(e.firstChild.getAttribute('href')).toBe(null); |
| 87 | }); |
| 88 | |
| 89 | itRenders('empty href on link tags as null', async render => { |
| 90 | const e = await render(<link rel="stylesheet" href="" />, 1); |
| 91 | expect(e.getAttribute('href')).toBe(null); |
| 92 | }); |
| 93 | |
| 94 | itRenders('no string prop with true value', async render => { |
| 95 | const e = await render(<a href={true} />, 1); |
| 96 | expect(e.hasAttribute('href')).toBe(false); |
| 97 | }); |
| 98 | |
| 99 | itRenders('no string prop with false value', async render => { |
| 100 | const e = await render(<a href={false} />, 1); |
| 101 | expect(e.hasAttribute('href')).toBe(false); |
| 102 | }); |
| 103 | |
| 104 | itRenders('no string prop with null value', async render => { |
| 105 | const e = await render(<div width={null} />); |
| 106 | expect(e.hasAttribute('width')).toBe(false); |
| 107 | }); |
| 108 | |
| 109 | itRenders('no string prop with function value', async render => { |
| 110 | const e = await render(<div width={function () {}} />, 1); |
| 111 | expect(e.hasAttribute('width')).toBe(false); |
| 112 | }); |
| 113 | |
| 114 | itRenders('no string prop with symbol value', async render => { |
| 115 | const e = await render(<div width={Symbol('foo')} />, 1); |
| 116 | expect(e.hasAttribute('width')).toBe(false); |
| 117 | }); |
| 118 | }); |
| 119 | |
| 120 | describe('boolean properties', function () { |
| 121 | itRenders('boolean prop with true value', async render => { |
| 122 | const e = await render(<div hidden={true} />); |
| 123 | expect(e.getAttribute('hidden')).toBe(''); |
| 124 | }); |
| 125 | |
| 126 | itRenders('boolean prop with false value', async render => { |
| 127 | const e = await render(<div hidden={false} />); |
| 128 | expect(e.getAttribute('hidden')).toBe(null); |
| 129 | }); |
| 130 | |
| 131 | itRenders('boolean prop with self value', async render => { |
| 132 | const e = await render(<div hidden="hidden" />); |
| 133 | expect(e.getAttribute('hidden')).toBe(''); |
| 134 | }); |
| 135 | |
| 136 | // this does not seem like correct behavior, since hidden="" in HTML indicates |
| 137 | // that the boolean property is present. however, it is how the current code |
| 138 | // behaves, so the test is included here. |
| 139 | itRenders('boolean prop with "" value', async render => { |
| 140 | const e = await render(<div hidden="" />); |
| 141 | expect(e.getAttribute('hidden')).toBe(null); |
| 142 | }); |
| 143 | |
| 144 | // this seems like it might mask programmer error, but it's existing behavior. |
| 145 | itRenders('boolean prop with string value', async render => { |
| 146 | const e = await render(<div hidden="foo" />); |
| 147 | expect(e.getAttribute('hidden')).toBe(''); |
| 148 | }); |
| 149 | |
| 150 | // this seems like it might mask programmer error, but it's existing behavior. |
| 151 | itRenders('boolean prop with array value', async render => { |
| 152 | const e = await render(<div hidden={['foo', 'bar']} />); |
| 153 | expect(e.getAttribute('hidden')).toBe(''); |
| 154 | }); |
| 155 | |
| 156 | // this seems like it might mask programmer error, but it's existing behavior. |
| 157 | itRenders('boolean prop with object value', async render => { |
| 158 | const e = await render(<div hidden={{foo: 'bar'}} />); |
| 159 | expect(e.getAttribute('hidden')).toBe(''); |
| 160 | }); |
| 161 | |
| 162 | // this seems like it might mask programmer error, but it's existing behavior. |
| 163 | itRenders('boolean prop with non-zero number value', async render => { |
| 164 | const e = await render(<div hidden={10} />); |
| 165 | expect(e.getAttribute('hidden')).toBe(''); |
| 166 | }); |
| 167 | |
| 168 | // this seems like it might mask programmer error, but it's existing behavior. |
| 169 | itRenders('boolean prop with zero value', async render => { |
| 170 | const e = await render(<div hidden={0} />); |
| 171 | expect(e.getAttribute('hidden')).toBe(null); |
| 172 | }); |
| 173 | |
| 174 | itRenders('no boolean prop with null value', async render => { |
| 175 | const e = await render(<div hidden={null} />); |
| 176 | expect(e.hasAttribute('hidden')).toBe(false); |
| 177 | }); |
| 178 | |
| 179 | itRenders('no boolean prop with function value', async render => { |
| 180 | const e = await render(<div hidden={function () {}} />, 1); |
| 181 | expect(e.hasAttribute('hidden')).toBe(false); |
| 182 | }); |
| 183 | |
| 184 | itRenders('no boolean prop with symbol value', async render => { |
| 185 | const e = await render(<div hidden={Symbol('foo')} />, 1); |
| 186 | expect(e.hasAttribute('hidden')).toBe(false); |
| 187 | }); |
| 188 | }); |
| 189 | |
| 190 | describe('credentialless property', function () { |
| 191 | itRenders('credentialless prop with true value', async render => { |
| 192 | const e = await render(<iframe credentialless={true} />); |
| 193 | expect(e.getAttribute('credentialless')).toBe(''); |
| 194 | }); |
| 195 | |
| 196 | itRenders('credentialless prop with false value', async render => { |
| 197 | const e = await render(<iframe credentialless={false} />); |
| 198 | expect(e.hasAttribute('credentialless')).toBe(false); |
| 199 | }); |
| 200 | }); |
| 201 | |
| 202 | describe('download property (combined boolean/string attribute)', function () { |
| 203 | itRenders('download prop with true value', async render => { |
| 204 | const e = await render(<a download={true} />); |
| 205 | expect(e.getAttribute('download')).toBe(''); |
| 206 | }); |
| 207 | |
| 208 | itRenders('download prop with false value', async render => { |
| 209 | const e = await render(<a download={false} />); |
| 210 | expect(e.getAttribute('download')).toBe(null); |
| 211 | }); |
| 212 | |
| 213 | itRenders('download prop with string value', async render => { |
| 214 | const e = await render(<a download="myfile" />); |
| 215 | expect(e.getAttribute('download')).toBe('myfile'); |
| 216 | }); |
| 217 | |
| 218 | itRenders('download prop with string "false" value', async render => { |
| 219 | const e = await render(<a download="false" />); |
| 220 | expect(e.getAttribute('download')).toBe('false'); |
| 221 | }); |
| 222 | |
| 223 | itRenders('download prop with string "true" value', async render => { |
| 224 | const e = await render(<a download={'true'} />); |
| 225 | expect(e.getAttribute('download')).toBe('true'); |
| 226 | }); |
| 227 | |
| 228 | itRenders('download prop with number 0 value', async render => { |
| 229 | const e = await render(<a download={0} />); |
| 230 | expect(e.getAttribute('download')).toBe('0'); |
| 231 | }); |
| 232 | |
| 233 | itRenders('no download prop with null value', async render => { |
| 234 | const e = await render(<div download={null} />); |
| 235 | expect(e.hasAttribute('download')).toBe(false); |
| 236 | }); |
| 237 | |
| 238 | itRenders('no download prop with undefined value', async render => { |
| 239 | const e = await render(<div download={undefined} />); |
| 240 | expect(e.hasAttribute('download')).toBe(false); |
| 241 | }); |
| 242 | |
| 243 | itRenders('no download prop with function value', async render => { |
| 244 | const e = await render(<div download={function () {}} />, 1); |
| 245 | expect(e.hasAttribute('download')).toBe(false); |
| 246 | }); |
| 247 | |
| 248 | itRenders('no download prop with symbol value', async render => { |
| 249 | const e = await render(<div download={Symbol('foo')} />, 1); |
| 250 | expect(e.hasAttribute('download')).toBe(false); |
| 251 | }); |
| 252 | }); |
| 253 | |
| 254 | describe('className property', function () { |
| 255 | itRenders('className prop with string value', async render => { |
| 256 | const e = await render(<div className="myClassName" />); |
| 257 | expect(e.getAttribute('class')).toBe('myClassName'); |
| 258 | }); |
| 259 | |
| 260 | itRenders('className prop with empty string value', async render => { |
| 261 | const e = await render(<div className="" />); |
| 262 | expect(e.getAttribute('class')).toBe(''); |
| 263 | }); |
| 264 | |
| 265 | itRenders('no className prop with true value', async render => { |
| 266 | const e = await render(<div className={true} />, 1); |
| 267 | expect(e.hasAttribute('class')).toBe(false); |
| 268 | }); |
| 269 | |
| 270 | itRenders('no className prop with false value', async render => { |
| 271 | const e = await render(<div className={false} />, 1); |
| 272 | expect(e.hasAttribute('class')).toBe(false); |
| 273 | }); |
| 274 | |
| 275 | itRenders('no className prop with null value', async render => { |
| 276 | const e = await render(<div className={null} />); |
| 277 | expect(e.hasAttribute('className')).toBe(false); |
| 278 | }); |
| 279 | |
| 280 | itRenders('badly cased className with a warning', async render => { |
| 281 | const e = await render(<div classname="test" />, 1); |
| 282 | expect(e.hasAttribute('class')).toBe(false); |
| 283 | expect(e.hasAttribute('classname')).toBe(true); |
| 284 | }); |
| 285 | |
| 286 | itRenders( |
| 287 | 'className prop when given the alias with a warning', |
| 288 | async render => { |
| 289 | const e = await render(<div class="test" />, 1); |
| 290 | expect(e.className).toBe('test'); |
| 291 | }, |
| 292 | ); |
| 293 | |
| 294 | itRenders( |
| 295 | 'className prop when given a badly cased alias', |
| 296 | async render => { |
| 297 | const e = await render(<div cLASs="test" />, 1); |
| 298 | expect(e.className).toBe('test'); |
| 299 | }, |
| 300 | ); |
| 301 | }); |
| 302 | |
| 303 | describe('htmlFor property', function () { |
| 304 | itRenders('htmlFor with string value', async render => { |
| 305 | const e = await render(<div htmlFor="myFor" />); |
| 306 | expect(e.getAttribute('for')).toBe('myFor'); |
| 307 | }); |
| 308 | |
| 309 | itRenders('no badly cased htmlfor', async render => { |
| 310 | const e = await render(<div htmlfor="myFor" />, 1); |
| 311 | expect(e.hasAttribute('for')).toBe(false); |
| 312 | expect(e.getAttribute('htmlfor')).toBe('myFor'); |
| 313 | }); |
| 314 | |
| 315 | itRenders('htmlFor with an empty string', async render => { |
| 316 | const e = await render(<div htmlFor="" />); |
| 317 | expect(e.getAttribute('for')).toBe(''); |
| 318 | }); |
| 319 | |
| 320 | itRenders('no htmlFor prop with true value', async render => { |
| 321 | const e = await render(<div htmlFor={true} />, 1); |
| 322 | expect(e.hasAttribute('for')).toBe(false); |
| 323 | }); |
| 324 | |
| 325 | itRenders('no htmlFor prop with false value', async render => { |
| 326 | const e = await render(<div htmlFor={false} />, 1); |
| 327 | expect(e.hasAttribute('for')).toBe(false); |
| 328 | }); |
| 329 | |
| 330 | itRenders('no htmlFor prop with null value', async render => { |
| 331 | const e = await render(<div htmlFor={null} />); |
| 332 | expect(e.hasAttribute('htmlFor')).toBe(false); |
| 333 | }); |
| 334 | }); |
| 335 | |
| 336 | describe('numeric properties', function () { |
| 337 | itRenders( |
| 338 | 'positive numeric property with positive value', |
| 339 | async render => { |
| 340 | const e = await render(<input size={2} />); |
| 341 | expect(e.getAttribute('size')).toBe('2'); |
| 342 | }, |
| 343 | ); |
| 344 | |
| 345 | itRenders('numeric property with zero value', async render => { |
| 346 | const e = await render(<ol start={0} />); |
| 347 | expect(e.getAttribute('start')).toBe('0'); |
| 348 | }); |
| 349 | |
| 350 | itRenders( |
| 351 | 'no positive numeric property with zero value', |
| 352 | async render => { |
| 353 | const e = await render(<input size={0} />); |
| 354 | expect(e.hasAttribute('size')).toBe(false); |
| 355 | }, |
| 356 | ); |
| 357 | |
| 358 | itRenders('no numeric prop with function value', async render => { |
| 359 | const e = await render(<ol start={function () {}} />, 1); |
| 360 | expect(e.hasAttribute('start')).toBe(false); |
| 361 | }); |
| 362 | |
| 363 | itRenders('no numeric prop with symbol value', async render => { |
| 364 | const e = await render(<ol start={Symbol('foo')} />, 1); |
| 365 | expect(e.hasAttribute('start')).toBe(false); |
| 366 | }); |
| 367 | |
| 368 | itRenders( |
| 369 | 'no positive numeric prop with function value', |
| 370 | async render => { |
| 371 | const e = await render(<input size={function () {}} />, 1); |
| 372 | expect(e.hasAttribute('size')).toBe(false); |
| 373 | }, |
| 374 | ); |
| 375 | |
| 376 | itRenders('no positive numeric prop with symbol value', async render => { |
| 377 | const e = await render(<input size={Symbol('foo')} />, 1); |
| 378 | expect(e.hasAttribute('size')).toBe(false); |
| 379 | }); |
| 380 | }); |
| 381 | |
| 382 | describe('props with special meaning in React', function () { |
| 383 | itRenders('no ref attribute', async render => { |
| 384 | class RefComponent extends React.Component { |
| 385 | render() { |
| 386 | return <div ref={React.createRef()} />; |
| 387 | } |
| 388 | } |
| 389 | const e = await render(<RefComponent />); |
| 390 | expect(e.getAttribute('ref')).toBe(null); |
| 391 | }); |
| 392 | |
| 393 | itRenders('no children attribute', async render => { |
| 394 | const e = await render(React.createElement('div', {}, 'foo')); |
| 395 | expect(e.getAttribute('children')).toBe(null); |
| 396 | }); |
| 397 | |
| 398 | itRenders('no key attribute', async render => { |
| 399 | const e = await render(<div key="foo" />); |
| 400 | expect(e.getAttribute('key')).toBe(null); |
| 401 | }); |
| 402 | |
| 403 | itRenders('no dangerouslySetInnerHTML attribute', async render => { |
| 404 | const e = await render( |
| 405 | <div dangerouslySetInnerHTML={{__html: '<foo />'}} />, |
| 406 | ); |
| 407 | expect(e.getAttribute('dangerouslySetInnerHTML')).toBe(null); |
| 408 | }); |
| 409 | |
| 410 | itRenders('no suppressContentEditableWarning attribute', async render => { |
| 411 | const e = await render(<div suppressContentEditableWarning={true} />); |
| 412 | expect(e.getAttribute('suppressContentEditableWarning')).toBe(null); |
| 413 | }); |
| 414 | |
| 415 | itRenders('no suppressHydrationWarning attribute', async render => { |
| 416 | const e = await render(<span suppressHydrationWarning={true} />); |
| 417 | expect(e.getAttribute('suppressHydrationWarning')).toBe(null); |
| 418 | }); |
| 419 | }); |
| 420 | |
| 421 | describe('inline styles', function () { |
| 422 | itRenders('simple styles', async render => { |
| 423 | const e = await render(<div style={{color: 'red', width: '30px'}} />); |
| 424 | expect(e.style.color).toBe('red'); |
| 425 | expect(e.style.width).toBe('30px'); |
| 426 | }); |
| 427 | |
| 428 | itRenders('relevant styles with px', async render => { |
| 429 | const e = await render( |
| 430 | <div |
| 431 | style={{ |
| 432 | left: 0, |
| 433 | margin: 16, |
| 434 | opacity: 0.5, |
| 435 | padding: '4px', |
| 436 | }} |
| 437 | />, |
| 438 | ); |
| 439 | expect(e.style.left).toBe('0px'); |
| 440 | expect(e.style.margin).toBe('16px'); |
| 441 | expect(e.style.opacity).toBe('0.5'); |
| 442 | expect(e.style.padding).toBe('4px'); |
| 443 | }); |
| 444 | |
| 445 | itRenders('custom properties', async render => { |
| 446 | const e = await render(<div style={{'--foo': 5}} />); |
| 447 | expect(e.style.getPropertyValue('--foo')).toBe('5'); |
| 448 | }); |
| 449 | |
| 450 | itRenders('camel cased custom properties', async render => { |
| 451 | const e = await render(<div style={{'--someColor': '#000000'}} />); |
| 452 | expect(e.style.getPropertyValue('--someColor')).toBe('#000000'); |
| 453 | }); |
| 454 | |
| 455 | itRenders('no undefined styles', async render => { |
| 456 | const e = await render( |
| 457 | <div style={{color: undefined, width: '30px'}} />, |
| 458 | ); |
| 459 | expect(e.style.color).toBe(''); |
| 460 | expect(e.style.width).toBe('30px'); |
| 461 | }); |
| 462 | |
| 463 | itRenders('no null styles', async render => { |
| 464 | const e = await render(<div style={{color: null, width: '30px'}} />); |
| 465 | expect(e.style.color).toBe(''); |
| 466 | expect(e.style.width).toBe('30px'); |
| 467 | }); |
| 468 | |
| 469 | itRenders('no empty styles', async render => { |
| 470 | const e = await render(<div style={{color: null, width: null}} />); |
| 471 | expect(e.style.color).toBe(''); |
| 472 | expect(e.style.width).toBe(''); |
| 473 | expect(e.hasAttribute('style')).toBe(false); |
| 474 | }); |
| 475 | |
| 476 | itRenders('unitless-number rules with prefixes', async render => { |
| 477 | const {style} = await render( |
| 478 | <div |
| 479 | style={{ |
| 480 | lineClamp: 10, |
| 481 | // TODO: requires https://github.com/jsdom/cssstyle/pull/112 |
| 482 | // WebkitLineClamp: 10, |
| 483 | // TODO: revisit once cssstyle or jsdom figures out |
| 484 | // if they want to support other vendors or not |
| 485 | // MozFlexGrow: 10, |
| 486 | // msFlexGrow: 10, |
| 487 | // msGridRow: 10, |
| 488 | // msGridRowEnd: 10, |
| 489 | // msGridRowSpan: 10, |
| 490 | // msGridRowStart: 10, |
| 491 | // msGridColumn: 10, |
| 492 | // msGridColumnEnd: 10, |
| 493 | // msGridColumnSpan: 10, |
| 494 | // msGridColumnStart: 10, |
| 495 | }} |
| 496 | />, |
| 497 | ); |
| 498 | |
| 499 | expect(style.lineClamp).toBe('10'); |
| 500 | // see comment at inline styles above |
| 501 | // expect(style.WebkitLineClamp).toBe('10'); |
| 502 | // expect(style.MozFlexGrow).toBe('10'); |
| 503 | // jsdom is inconsistent in the style property name |
| 504 | // it uses on the client and when processing server markup. |
| 505 | // But it should be there either way. |
| 506 | //expect(style.MsFlexGrow || style.msFlexGrow).toBe('10'); |
| 507 | // expect(style.MsGridRow || style.msGridRow).toBe('10'); |
| 508 | // expect(style.MsGridRowEnd || style.msGridRowEnd).toBe('10'); |
| 509 | // expect(style.MsGridRowSpan || style.msGridRowSpan).toBe('10'); |
| 510 | // expect(style.MsGridRowStart || style.msGridRowStart).toBe('10'); |
| 511 | // expect(style.MsGridColumn || style.msGridColumn).toBe('10'); |
| 512 | // expect(style.MsGridColumnEnd || style.msGridColumnEnd).toBe('10'); |
| 513 | // expect(style.MsGridColumnSpan || style.msGridColumnSpan).toBe('10'); |
| 514 | // expect(style.MsGridColumnStart || style.msGridColumnStart).toBe('10'); |
| 515 | }); |
| 516 | }); |
| 517 | |
| 518 | describe('aria attributes', function () { |
| 519 | itRenders('simple strings', async render => { |
| 520 | const e = await render(<div aria-label="hello" />); |
| 521 | expect(e.getAttribute('aria-label')).toBe('hello'); |
| 522 | }); |
| 523 | |
| 524 | // this probably is just masking programmer error, but it is existing behavior. |
| 525 | itRenders('aria string prop with false value', async render => { |
| 526 | const e = await render(<div aria-label={false} />); |
| 527 | expect(e.getAttribute('aria-label')).toBe('false'); |
| 528 | }); |
| 529 | |
| 530 | itRenders('no aria prop with null value', async render => { |
| 531 | const e = await render(<div aria-label={null} />); |
| 532 | expect(e.hasAttribute('aria-label')).toBe(false); |
| 533 | }); |
| 534 | |
| 535 | itRenders('"aria" attribute with a warning', async render => { |
| 536 | // Reserved for future use. |
| 537 | const e = await render(<div aria="hello" />, 1); |
| 538 | expect(e.getAttribute('aria')).toBe('hello'); |
| 539 | }); |
| 540 | }); |
| 541 | |
| 542 | describe('cased attributes', function () { |
| 543 | itRenders( |
| 544 | 'badly cased aliased HTML attribute with a warning', |
| 545 | async render => { |
| 546 | const e = await render(<form acceptcharset="utf-8" />, 1); |
| 547 | expect(e.hasAttribute('accept-charset')).toBe(false); |
| 548 | expect(e.getAttribute('acceptcharset')).toBe('utf-8'); |
| 549 | }, |
| 550 | ); |
| 551 | |
| 552 | itRenders('badly cased SVG attribute with a warning', async render => { |
| 553 | const e = await render( |
| 554 | <svg> |
| 555 | <text textlength="10" /> |
| 556 | </svg>, |
| 557 | 1, |
| 558 | ); |
| 559 | // The discrepancy is expected as long as we emit a warning |
| 560 | // both on the client and the server. |
| 561 | if (render === clientCleanRender) { |
| 562 | // On the client, "textlength" is treated as a case-sensitive |
| 563 | // SVG attribute so the wrong attribute ("textlength") gets set. |
| 564 | expect(e.firstChild.getAttribute('textlength')).toBe('10'); |
| 565 | expect(e.firstChild.hasAttribute('textLength')).toBe(false); |
| 566 | } else { |
| 567 | // When parsing HTML (including the hydration case), the browser |
| 568 | // correctly maps "textlength" to "textLength" SVG attribute. |
| 569 | // So it happens to work on the initial render. |
| 570 | expect(e.firstChild.getAttribute('textLength')).toBe('10'); |
| 571 | expect(e.firstChild.hasAttribute('textlength')).toBe(false); |
| 572 | } |
| 573 | }); |
| 574 | |
| 575 | itRenders('no badly cased aliased SVG attribute alias', async render => { |
| 576 | const e = await render( |
| 577 | <svg> |
| 578 | <text strokedasharray="10 10" /> |
| 579 | </svg>, |
| 580 | 1, |
| 581 | ); |
| 582 | expect(e.firstChild.hasAttribute('stroke-dasharray')).toBe(false); |
| 583 | expect(e.firstChild.getAttribute('strokedasharray')).toBe('10 10'); |
| 584 | }); |
| 585 | |
| 586 | itRenders( |
| 587 | 'no badly cased original SVG attribute that is aliased', |
| 588 | async render => { |
| 589 | const e = await render( |
| 590 | <svg> |
| 591 | <text stroke-dasharray="10 10" /> |
| 592 | </svg>, |
| 593 | 1, |
| 594 | ); |
| 595 | expect(e.firstChild.getAttribute('stroke-dasharray')).toBe('10 10'); |
| 596 | }, |
| 597 | ); |
| 598 | }); |
| 599 | |
| 600 | describe('unknown attributes', function () { |
| 601 | itRenders('unknown attributes', async render => { |
| 602 | const e = await render(<div foo="bar" />); |
| 603 | expect(e.getAttribute('foo')).toBe('bar'); |
| 604 | }); |
| 605 | |
| 606 | itRenders('unknown data- attributes', async render => { |
| 607 | const e = await render(<div data-foo="bar" />); |
| 608 | expect(e.getAttribute('data-foo')).toBe('bar'); |
| 609 | }); |
| 610 | |
| 611 | itRenders('badly cased reserved attributes', async render => { |
| 612 | const e = await render(<div CHILDREN="5" />, 1); |
| 613 | expect(e.getAttribute('CHILDREN')).toBe('5'); |
| 614 | }); |
| 615 | |
| 616 | itRenders('"data" attribute', async render => { |
| 617 | // For `<object />` acts as `src`. |
| 618 | const e = await render(<object data="hello" />); |
| 619 | expect(e.getAttribute('data')).toBe('hello'); |
| 620 | }); |
| 621 | |
| 622 | itRenders('no unknown data- attributes with null value', async render => { |
| 623 | const e = await render(<div data-foo={null} />); |
| 624 | expect(e.hasAttribute('data-foo')).toBe(false); |
| 625 | }); |
| 626 | |
| 627 | itRenders('unknown data- attributes with casing', async render => { |
| 628 | const e = await render(<div data-fooBar="true" />, 1); |
| 629 | expect(e.getAttribute('data-foobar')).toBe('true'); |
| 630 | }); |
| 631 | |
| 632 | itRenders('unknown data- attributes with boolean true', async render => { |
| 633 | const e = await render(<div data-foobar={true} />); |
| 634 | expect(e.getAttribute('data-foobar')).toBe('true'); |
| 635 | }); |
| 636 | |
| 637 | itRenders('unknown data- attributes with boolean false', async render => { |
| 638 | const e = await render(<div data-foobar={false} />); |
| 639 | expect(e.getAttribute('data-foobar')).toBe('false'); |
| 640 | }); |
| 641 | |
| 642 | itRenders( |
| 643 | 'no unknown data- attributes with casing and null value', |
| 644 | async render => { |
| 645 | const e = await render(<div data-fooBar={null} />, 1); |
| 646 | expect(e.hasAttribute('data-foobar')).toBe(false); |
| 647 | }, |
| 648 | ); |
| 649 | |
| 650 | itRenders('custom attributes for non-standard elements', async render => { |
| 651 | // This test suite generally assumes that we get exactly |
| 652 | // the same warnings (or none) for all scenarios including |
| 653 | // SSR + innerHTML, hydration, and client-side rendering. |
| 654 | // However this particular warning fires only when creating |
| 655 | // DOM nodes on the client side. We force it to fire early |
| 656 | // so that it gets deduplicated later, and doesn't fail the test. |
| 657 | ReactDOM.flushSync(() => { |
| 658 | const root = ReactDOMClient.createRoot(document.createElement('div')); |
| 659 | root.render(<nonstandard />); |
| 660 | }); |
| 661 | assertConsoleErrorDev([ |
| 662 | 'The tag <nonstandard> is unrecognized in this browser. ' + |
| 663 | 'If you meant to render a React component, start its name with an uppercase letter.\n' + |
| 664 | ' in nonstandard (at **)', |
| 665 | ]); |
| 666 | |
| 667 | const e = await render(<nonstandard foo="bar" />); |
| 668 | expect(e.getAttribute('foo')).toBe('bar'); |
| 669 | }); |
| 670 | |
| 671 | itRenders('SVG tags with dashes in them', async render => { |
| 672 | const e = await render( |
| 673 | <svg> |
| 674 | <font-face accentHeight={10} /> |
| 675 | </svg>, |
| 676 | ); |
| 677 | expect(e.firstChild.hasAttribute('accentHeight')).toBe(false); |
| 678 | expect(e.firstChild.getAttribute('accent-height')).toBe('10'); |
| 679 | }); |
| 680 | |
| 681 | itRenders('cased custom attributes', async render => { |
| 682 | const e = await render(<div fooBar="test" />, 1); |
| 683 | expect(e.getAttribute('foobar')).toBe('test'); |
| 684 | }); |
| 685 | }); |
| 686 | |
| 687 | itRenders('no HTML events', async render => { |
| 688 | const e = await render(<div onClick={() => {}} />); |
| 689 | expect(e.getAttribute('onClick')).toBe(null); |
| 690 | expect(e.getAttribute('onClick')).toBe(null); |
| 691 | expect(e.getAttribute('click')).toBe(null); |
| 692 | }); |
| 693 | |
| 694 | itRenders('no unknown events', async render => { |
| 695 | const e = await render(<div onunknownevent='alert("hack")' />, 1); |
| 696 | expect(e.getAttribute('onunknownevent')).toBe(null); |
| 697 | }); |
| 698 | |
| 699 | itRenders('custom attribute named `on`', async render => { |
| 700 | const e = await render(<div on="tap:do-something" />); |
| 701 | expect(e.getAttribute('on')).toEqual('tap:do-something'); |
| 702 | }); |
| 703 | }); |
| 704 | |
| 705 | // These tests mostly verify the existing behavior. |
| 706 | // It may not always make sense but we can't change it in minors. |
| 707 | describe('custom elements', () => { |
| 708 | itRenders('class for custom elements', async render => { |
| 709 | const e = await render(<div is="custom-element" class="test" />, 0); |
| 710 | expect(e.getAttribute('class')).toBe('test'); |
| 711 | }); |
| 712 | |
| 713 | itRenders('className for is elements', async render => { |
| 714 | const e = await render(<div is="custom-element" className="test" />, 0); |
| 715 | expect(e.getAttribute('className')).toBe(null); |
| 716 | expect(e.getAttribute('class')).toBe('test'); |
| 717 | }); |
| 718 | |
| 719 | itRenders('className for custom elements', async render => { |
| 720 | const e = await render(<custom-element className="test" />, 0); |
| 721 | expect(e.getAttribute('className')).toBe(null); |
| 722 | expect(e.getAttribute('class')).toBe('test'); |
| 723 | }); |
| 724 | |
| 725 | itRenders('htmlFor property on is elements', async render => { |
| 726 | const e = await render(<div is="custom-element" htmlFor="test" />); |
| 727 | expect(e.getAttribute('htmlFor')).toBe(null); |
| 728 | expect(e.getAttribute('for')).toBe('test'); |
| 729 | }); |
| 730 | |
| 731 | itRenders('htmlFor attribute on custom elements', async render => { |
| 732 | const e = await render(<custom-element htmlFor="test" />); |
| 733 | expect(e.getAttribute('htmlFor')).toBe('test'); |
| 734 | expect(e.getAttribute('for')).toBe(null); |
| 735 | }); |
| 736 | |
| 737 | itRenders('for attribute on custom elements', async render => { |
| 738 | const e = await render(<div is="custom-element" for="test" />); |
| 739 | expect(e.getAttribute('htmlFor')).toBe(null); |
| 740 | expect(e.getAttribute('for')).toBe('test'); |
| 741 | }); |
| 742 | |
| 743 | itRenders('unknown attributes for custom elements', async render => { |
| 744 | const e = await render(<custom-element foo="bar" />); |
| 745 | expect(e.getAttribute('foo')).toBe('bar'); |
| 746 | }); |
| 747 | |
| 748 | itRenders('unknown `on*` attributes for custom elements', async render => { |
| 749 | const e = await render(<custom-element onunknown="bar" />); |
| 750 | expect(e.getAttribute('onunknown')).toBe('bar'); |
| 751 | }); |
| 752 | |
| 753 | itRenders('unknown boolean `true` attributes as strings', async render => { |
| 754 | const e = await render(<custom-element foo={true} />); |
| 755 | expect(e.getAttribute('foo')).toBe(''); |
| 756 | }); |
| 757 | |
| 758 | itRenders('unknown boolean `false` attributes as strings', async render => { |
| 759 | const e = await render(<custom-element foo={false} />); |
| 760 | expect(e.getAttribute('foo')).toBe(null); |
| 761 | }); |
| 762 | |
| 763 | itRenders('new boolean `true` attributes', async render => { |
| 764 | const element = await render(<div inert={true} />, 0); |
| 765 | |
| 766 | expect(element.getAttribute('inert')).toBe(''); |
| 767 | }); |
| 768 | |
| 769 | itRenders('new boolean `""` attributes', async render => { |
| 770 | const element = await render( |
| 771 | <div inert="" />, |
| 772 | // Warns since this used to render `inert=""` like `inert={true}` |
| 773 | // but now renders it like `inert={false}`. |
| 774 | 1, |
| 775 | ); |
| 776 | |
| 777 | expect(element.getAttribute('inert')).toBe(null); |
| 778 | }); |
| 779 | |
| 780 | itRenders('new boolean `false` attributes', async render => { |
| 781 | const element = await render(<div inert={false} />, 0); |
| 782 | |
| 783 | expect(element.getAttribute('inert')).toBe(null); |
| 784 | }); |
| 785 | |
| 786 | itRenders( |
| 787 | 'no unknown attributes for custom elements with null value', |
| 788 | async render => { |
| 789 | const e = await render(<custom-element foo={null} />); |
| 790 | expect(e.hasAttribute('foo')).toBe(false); |
| 791 | }, |
| 792 | ); |
| 793 | |
| 794 | itRenders( |
| 795 | 'unknown attributes for custom elements using is', |
| 796 | async render => { |
| 797 | const e = await render(<div is="custom-element" foo="bar" />); |
| 798 | expect(e.getAttribute('foo')).toBe('bar'); |
| 799 | }, |
| 800 | ); |
| 801 | |
| 802 | itRenders( |
| 803 | 'no unknown attributes for custom elements using is with null value', |
| 804 | async render => { |
| 805 | const e = await render(<div is="custom-element" foo={null} />); |
| 806 | expect(e.hasAttribute('foo')).toBe(false); |
| 807 | }, |
| 808 | ); |
| 809 | }); |
| 810 | }); |