/
ReactDOMServerIntegrationReconnecting-test.js
528 lines (456 loc) · 15.3 KB
/
ReactDOMServerIntegrationReconnecting-test.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
/**
* 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';
const ReactDOMServerIntegrationUtils = require('./utils/ReactDOMServerIntegrationTestUtils');
let React;
let ReactDOM;
let ReactDOMClient;
let ReactDOMServer;
let ReactTestUtils;
describe('ReactDOMServerIntegration', () => {
function initModules() {
// Reset warning cache.
jest.resetModules();
React = require('react');
ReactDOMClient = require('react-dom/client');
ReactDOMServer = require('react-dom/server');
ReactTestUtils = require('react-dom/test-utils');
// Make them available to the helpers.
return {
ReactDOMClient,
ReactDOMServer,
ReactTestUtils,
};
}
const {resetModules, expectMarkupMismatch, expectMarkupMatch} =
ReactDOMServerIntegrationUtils(initModules);
beforeEach(() => {
resetModules();
});
describe('reconnecting to server markup', function () {
let EmptyComponent;
beforeEach(() => {
EmptyComponent = class extends React.Component {
render() {
return null;
}
};
});
describe('elements', function () {
describe('reconnecting different component implementations', function () {
let ES6ClassComponent, PureComponent, bareElement;
beforeEach(() => {
// try each type of component on client and server.
ES6ClassComponent = class extends React.Component {
render() {
return <div id={this.props.id} />;
}
};
PureComponent = props => <div id={props.id} />;
bareElement = <div id="foobarbaz" />;
});
it('should reconnect ES6 Class to ES6 Class', () =>
expectMarkupMatch(
<ES6ClassComponent id="foobarbaz" />,
<ES6ClassComponent id="foobarbaz" />,
));
it('should reconnect Pure Component to ES6 Class', () =>
expectMarkupMatch(
<ES6ClassComponent id="foobarbaz" />,
<PureComponent id="foobarbaz" />,
));
it('should reconnect Bare Element to ES6 Class', () =>
expectMarkupMatch(<ES6ClassComponent id="foobarbaz" />, bareElement));
it('should reconnect ES6 Class to Pure Component', () =>
expectMarkupMatch(
<PureComponent id="foobarbaz" />,
<ES6ClassComponent id="foobarbaz" />,
));
it('should reconnect Pure Component to Pure Component', () =>
expectMarkupMatch(
<PureComponent id="foobarbaz" />,
<PureComponent id="foobarbaz" />,
));
it('should reconnect Bare Element to Pure Component', () =>
expectMarkupMatch(<PureComponent id="foobarbaz" />, bareElement));
it('should reconnect ES6 Class to Bare Element', () =>
expectMarkupMatch(bareElement, <ES6ClassComponent id="foobarbaz" />));
it('should reconnect Pure Component to Bare Element', () =>
expectMarkupMatch(bareElement, <PureComponent id="foobarbaz" />));
it('should reconnect Bare Element to Bare Element', () =>
expectMarkupMatch(bareElement, bareElement));
});
it('should error reconnecting different element types', () =>
expectMarkupMismatch(<div />, <span />));
it('should error reconnecting fewer root children', () =>
expectMarkupMismatch(<span key="a" />, [
<span key="a" />,
<span key="b" />,
]));
it('should error reconnecting missing attributes', () =>
expectMarkupMismatch(<div id="foo" />, <div />));
it('should error reconnecting added attributes', () =>
expectMarkupMismatch(<div />, <div id="foo" />));
it('should error reconnecting different attribute values', () =>
expectMarkupMismatch(<div id="foo" />, <div id="bar" />));
it('should error reconnecting different element types of children', () =>
expectMarkupMismatch(
<div>
<div />
</div>,
<div suppressHydrationWarning={true}>
<span />
</div>,
));
it('can explicitly ignore errors reconnecting missing attributes', () =>
expectMarkupMatch(
<div id="foo" />,
<div suppressHydrationWarning={true} />,
));
it('can explicitly ignore errors reconnecting added attributes', () =>
expectMarkupMatch(
<div />,
<div id="foo" suppressHydrationWarning={true} />,
));
it('can explicitly ignore errors reconnecting different attribute values', () =>
expectMarkupMatch(
<div id="foo" />,
<div id="bar" suppressHydrationWarning={true} />,
));
it('can not deeply ignore errors reconnecting different attribute values', () =>
expectMarkupMismatch(
<div>
<div id="foo" />
</div>,
<div suppressHydrationWarning={true}>
<div id="bar" />
</div>,
));
});
describe('inline styles', function () {
it('should error reconnecting missing style attribute', () =>
expectMarkupMismatch(<div style={{width: '1px'}} />, <div />));
it('should error reconnecting added style attribute', () =>
expectMarkupMismatch(<div />, <div style={{width: '1px'}} />));
it('should error reconnecting empty style attribute', () =>
expectMarkupMismatch(
<div style={{width: '1px'}} />,
<div style={{}} />,
));
it('should error reconnecting added style values', () =>
expectMarkupMismatch(
<div style={{}} />,
<div style={{width: '1px'}} />,
));
it('should error reconnecting different style values', () =>
expectMarkupMismatch(
<div style={{width: '1px'}} />,
<div style={{width: '2px'}} />,
));
it('should reconnect number and string versions of a number', () =>
expectMarkupMatch(
<div style={{width: '1px', height: 2}} />,
<div style={{width: 1, height: '2px'}} />,
));
it('should error reconnecting reordered style values', () =>
expectMarkupMismatch(
<div style={{width: '1px', fontSize: '2px'}} />,
<div style={{fontSize: '2px', width: '1px'}} />,
));
it('can explicitly ignore errors reconnecting added style values', () =>
expectMarkupMatch(
<div style={{}} />,
<div style={{width: '1px'}} suppressHydrationWarning={true} />,
));
it('can explicitly ignore reconnecting different style values', () =>
expectMarkupMatch(
<div style={{width: '1px'}} />,
<div style={{width: '2px'}} suppressHydrationWarning={true} />,
));
});
describe('text nodes', function () {
it('should error reconnecting different text', () =>
expectMarkupMismatch(<div>Text</div>, <div>Other Text</div>));
it('should reconnect a div with a number and string version of number', () =>
expectMarkupMatch(<div>{2}</div>, <div>2</div>));
it('should error reconnecting different numbers', () =>
expectMarkupMismatch(<div>{2}</div>, <div>{3}</div>));
it('should error reconnecting different number from text', () =>
expectMarkupMismatch(<div>{2}</div>, <div>3</div>));
it('should error reconnecting different text in two code blocks', () =>
expectMarkupMismatch(
<div>
{'Text1'}
{'Text2'}
</div>,
<div>
{'Text1'}
{'Text3'}
</div>,
));
it('can explicitly ignore reconnecting different text', () =>
expectMarkupMatch(
<div>Text</div>,
<div suppressHydrationWarning={true}>Other Text</div>,
));
it('can explicitly ignore reconnecting different text in two code blocks', () =>
expectMarkupMatch(
<div suppressHydrationWarning={true}>
{'Text1'}
{'Text2'}
</div>,
<div suppressHydrationWarning={true}>
{'Text1'}
{'Text3'}
</div>,
));
});
describe('element trees and children', function () {
it('should error reconnecting missing children', () =>
expectMarkupMismatch(
<div>
<div />
</div>,
<div />,
));
it('should error reconnecting added children', () =>
expectMarkupMismatch(
<div />,
<div>
<div />
</div>,
));
it('should error reconnecting more children', () =>
expectMarkupMismatch(
<div>
<div />
</div>,
<div>
<div />
<div />
</div>,
));
it('should error reconnecting fewer children', () =>
expectMarkupMismatch(
<div>
<div />
<div />
</div>,
<div>
<div />
</div>,
));
it('should error reconnecting reordered children', () =>
expectMarkupMismatch(
<div>
<div />
<span />
</div>,
<div>
<span />
<div />
</div>,
));
it('should error reconnecting a div with children separated by whitespace on the client', () =>
expectMarkupMismatch(
<div id="parent">
<div id="child1" />
<div id="child2" />
</div>,
// prettier-ignore
<div id="parent"><div id="child1" /> <div id="child2" /></div>, // eslint-disable-line no-multi-spaces
));
it('should error reconnecting a div with children separated by different whitespace on the server', () =>
expectMarkupMismatch(
// prettier-ignore
<div id="parent"><div id="child1" /> <div id="child2" /></div>, // eslint-disable-line no-multi-spaces
<div id="parent">
<div id="child1" />
<div id="child2" />
</div>,
));
it('should error reconnecting a div with children separated by different whitespace', () =>
expectMarkupMismatch(
<div id="parent">
<div id="child1" /> <div id="child2" />
</div>,
// prettier-ignore
<div id="parent"><div id="child1" /> <div id="child2" /></div>, // eslint-disable-line no-multi-spaces
));
it('can distinguish an empty component from a dom node', () =>
expectMarkupMismatch(
<div>
<span />
</div>,
<div>
<EmptyComponent />
</div>,
));
it('can distinguish an empty component from an empty text component', () =>
expectMarkupMatch(
<div>
<EmptyComponent />
</div>,
<div>{''}</div>,
));
it('can not ignore reconnecting more children', () =>
expectMarkupMismatch(
<div>
<div />
</div>,
<div suppressHydrationWarning={true}>
<div />
<div />
</div>,
));
it('can not ignore reconnecting fewer children', () =>
expectMarkupMismatch(
<div>
<div />
<div />
</div>,
<div suppressHydrationWarning={true}>
<div />
</div>,
));
it('can not ignore reconnecting reordered children', () =>
expectMarkupMismatch(
<div suppressHydrationWarning={true}>
<div />
<span />
</div>,
<div suppressHydrationWarning={true}>
<span />
<div />
</div>,
));
it('can not deeply ignore reconnecting reordered children', () =>
expectMarkupMismatch(
<div suppressHydrationWarning={true}>
<div>
<div />
<span />
</div>
</div>,
<div suppressHydrationWarning={true}>
<div>
<span />
<div />
</div>
</div>,
));
});
// Markup Mismatches: misc
it('should error reconnecting a div with different dangerouslySetInnerHTML', () =>
expectMarkupMismatch(
<div dangerouslySetInnerHTML={{__html: "<span id='child1'/>"}} />,
<div dangerouslySetInnerHTML={{__html: "<span id='child2'/>"}} />,
));
it('should error reconnecting a div with different text dangerouslySetInnerHTML', () =>
expectMarkupMismatch(
<div dangerouslySetInnerHTML={{__html: 'foo'}} />,
<div dangerouslySetInnerHTML={{__html: 'bar'}} />,
));
it('should error reconnecting a div with different number dangerouslySetInnerHTML', () =>
expectMarkupMismatch(
<div dangerouslySetInnerHTML={{__html: 10}} />,
<div dangerouslySetInnerHTML={{__html: 20}} />,
));
it('should error reconnecting a div with different object dangerouslySetInnerHTML', () =>
expectMarkupMismatch(
<div
dangerouslySetInnerHTML={{
__html: {
toString() {
return 'hi';
},
},
}}
/>,
<div
dangerouslySetInnerHTML={{
__html: {
toString() {
return 'bye';
},
},
}}
/>,
));
it('can explicitly ignore reconnecting a div with different dangerouslySetInnerHTML', () =>
expectMarkupMatch(
<div dangerouslySetInnerHTML={{__html: "<span id='child1'/>"}} />,
<div
dangerouslySetInnerHTML={{__html: "<span id='child2'/>"}}
suppressHydrationWarning={true}
/>,
));
});
});
describe('ReactDOMServerIntegration (legacy)', () => {
function initModules() {
// Reset warning cache.
jest.resetModules();
React = require('react');
ReactDOM = require('react-dom');
ReactDOMServer = require('react-dom/server');
ReactTestUtils = require('react-dom/test-utils');
// Make them available to the helpers.
return {
ReactDOM,
ReactDOMServer,
ReactTestUtils,
};
}
const {resetModules, expectMarkupMatch} =
ReactDOMServerIntegrationUtils(initModules);
beforeEach(() => {
resetModules();
});
it('legacy mode can explicitly ignore errors reconnecting different element types of children', () =>
expectMarkupMatch(
<div>
<div />
</div>,
<div suppressHydrationWarning={true}>
<span />
</div>,
));
it('legacy mode can explicitly ignore reconnecting more children', () =>
expectMarkupMatch(
<div>
<div />
</div>,
<div suppressHydrationWarning={true}>
<div />
<div />
</div>,
));
it('legacy mode can explicitly ignore reconnecting fewer children', () =>
expectMarkupMatch(
<div>
<div />
<div />
</div>,
<div suppressHydrationWarning={true}>
<div />
</div>,
));
it('legacy mode can explicitly ignore reconnecting reordered children', () =>
expectMarkupMatch(
<div suppressHydrationWarning={true}>
<div />
<span />
</div>,
<div suppressHydrationWarning={true}>
<span />
<div />
</div>,
));
});