forked from WebReflection/hyperHTML-Element
-
Notifications
You must be signed in to change notification settings - Fork 0
/
test.js
418 lines (333 loc) · 11.2 KB
/
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
const tressa = require('tressa');
const {parseHTML} = require('linkedom');
const {document, customElements, HTMLElement, CustomEvent} = parseHTML('<html />');
global.document = document;
global.customElements = customElements;
global.HTMLElement = HTMLElement;
tressa.title('HyperHTMLElement');
/*
delete Object.getOwnPropertySymbols;
const getPrototypeOf = Object.getPrototypeOf;
delete Object.getPrototypeOf;
let times = 0;
Object.defineProperty(Object, 'getPrototypeOf', {
get() {
return times++ < 2 ? void 0 : getPrototypeOf;
}
});
delete Object.setPrototypeOf;
delete Reflect.ownKeys;
*/
let HyperHTMLElement = require('./cjs').default;
class MyElement extends HyperHTMLElement {
static get booleanAttributes() {
return ['special'];
}
get special() { return false; }
static get observedAttributes() {
return ['key'];
}
constructor(...args) {
const self = super(...args);
self.method = [];
return self;
}
get nextSibling() {
delete MyElement.prototype.nextSibling;
return false;
}
created() {
this.method.push('created');
}
attributeChangedCallback() {
this.method.push('attributeChangedCallback');
}
connectedCallback() {
this.method.push('connectedCallback');
}
render() {
return this.html`Hello <strong>HyperHTMLElement</strong>`;
}
}
MyElement.define('my-el');
class MyLink extends HyperHTMLElement {}
MyLink.define('my-link', {extends: 'a'});
tressa.assert(customElements.get('my-el') === MyElement, '<my-el> defined in the registry');
tressa.assert(new MyLink instanceof HyperHTMLElement, '<my-link> is an instance');
let el = new MyElement();
tressa.assert(el.special === false, 'nothing special about this el');
document.body.appendChild(el).key = 'value';
setTimeout(function () { document.body.appendChild(document.createElement('p')); }, 50);
setTimeout(function () {
document.dispatchEvent(new CustomEvent('DOMContentLoaded'));
tressa.assert(el.method.length === 3, 'all methods invoked');
tressa.assert(el.method.join('connectedCallback,attributeChangedCallback,created'), 'with the right order');
tressa.assert(el.key === 'value' && el.getAttribute('key') === el.key, 'attribute set');
el.created();
el.key = 'value';
tressa.assert(el.method.join('created,attributeChangedCallback,connectedCallback'), 'setting same attribute value does not trigger');
tressa.assert(el.render() === el.render(), 'html is cached once');
tressa.assert(el.outerHTML === '<my-el key="value">Hello <strong>HyperHTMLElement</strong></my-el>', 'the layout is the expected one');
document.readyState = 'complete';
document.dispatchEvent(new CustomEvent('DOMContentLoaded'));
delete require.cache[require.resolve('./cjs')];
HyperHTMLElement = require('./cjs').default;
class MyInput extends HyperHTMLElement {
static get booleanAttributes() {
return ['boolean'];
}
static get observedAttributes() {
return ['value', 'another-value'];
}
get value() {
return this.getAttribute('value');
}
set value(value) {
this.setAttribute('value', value);
}
attributeChangedCallback() {
this.called = true;
}
}
MyInput.define('my-input');
el = new MyInput();
el.value = '123';
el.value = '123';
el.anotherValue = '456';
el.anotherValue = '456';
el.boolean = true;
tressa.assert(el.value === '123' && el.anotherValue === '456', 'attributes set as expected');
tressa.assert(el.outerHTML === '<my-input boolean="" another-value="456" value="123"></my-input>', 'input with expected output');
el.boolean = 'absolutely';
tressa.assert(el.boolean === true, 'empty attributes are returned as true');
el.boolean = false;
tressa.assert(el.outerHTML === '<my-input another-value="456" value="123"></my-input>', 'input without boolean');
el.anotherValue = null;
tressa.assert(el.outerHTML === '<my-input value="123"></my-input>', 'input without other value');
// for code coverage sake
class MyEmptiness extends HyperHTMLElement {}
MyEmptiness.define('my-emptyness');
el = new MyEmptiness();
document.body.appendChild(el);
class MyAttr extends HyperHTMLElement {
static get observedAttributes() {
return ['key'];
}
created() {
tressa.assert(true, 'created invoked as expected');
}
attributeChangedCallback() {}
}
MyAttr.define('my-attr');
el = new MyAttr();
el.setAttribute('key', 'value');
class MyConnect extends HyperHTMLElement {
created() { this.counter = 0; }
connectedCallback() {
this.counter++;
}
}
MyConnect.define('my-connect');
el = new MyConnect();
document.body.appendChild(el);
document.body.removeChild(el);
document.body.appendChild(el);
tressa.assert(el.counter === 2, 'connected invoked twice');
class MyCreate extends HyperHTMLElement {
created() {
tressa.assert(true, 'create invoked as expected');
}
}
MyCreate.define('my-create');
el = new MyCreate();
document.body.appendChild(el);
class MyAttrHack extends HyperHTMLElement {
static get observedAttributes() {
return ['key'];
}
attributeChangedCallback() {
this.counter = (this.counter || 0) + 1;
}
}
MyAttrHack.define('my-attr-hack');
let cb = MyAttrHack.prototype.attributeChangedCallback;
Object.defineProperty(
MyAttrHack.prototype,
'attributeChangedCallback',
{
value: function (name, prev, curr) {
cb.call(this, name, curr, curr);
}
}
);
el = new MyAttrHack();
document.body.appendChild(el);
el.key = 'value';
tressa.assert(!el.counter, 'if same value, is not invoked');
cb.call(el, 'key', 'value', null);
tressa.assert(1 === el.counter, 'otherwise OK');
// code coverage again
class MyAttrHack2 extends HyperHTMLElement {
static get observedAttributes() {
return ['key'];
}
created() {
tressa.assert(true, 'initialized correctly via attributes');
}
}
MyAttrHack2.define('my-attr-hack2');
el = new MyAttrHack2();
document.body.appendChild(el);
el.key = 'value';
// handleEvent
class MyHandler extends HyperHTMLElement {
static get booleanAttributes() {
return ['special-case'];
}
handleEvent() { this.value = 123; return this; }
}
MyHandler.define('my-handler');
el = new MyHandler();
el.specialCase = true;
tressa.assert(
el.handleEvent() === el && el.value === 123,
'original handleEvent preserved and bound'
);
// handleEvent
class MyRealHandler extends HyperHTMLElement {
onclick() { tressa.assert(true, 'click event dispatched'); }
created() { this.html`<span onclick="${this}">click me</span>`; }
}
MyRealHandler.define('my-real-handler');
el = new MyRealHandler();
document.body.insertBefore(el, document.body.lastChild);
var evt = new CustomEvent('click');
el.firstChild.dispatchEvent(evt);
// reaches currentTarget without a dataset
document.addEventListener('click', el);
document.dispatchEvent(evt = new CustomEvent('click'));
document.removeEventListener('click', el);
// delegated handleEvent
class MyDelegatedHandler extends HyperHTMLElement {
whenClickHappens() { tressa.assert(true, 'whenClickHappens event dispatched'); }
created() { this.html`<span ref="span" data-call="whenClickHappens" onclick="${this}">click me</span>`; }
}
MyDelegatedHandler.define('my-delegated-handler');
el = new MyDelegatedHandler();
tressa.assert(!el.refs.span, 'no span until created');
document.body.appendChild(el);
var evt = new CustomEvent('click');
el.firstChild.dispatchEvent(evt);
el.firstChild.onclick = el.whenClickHappens;
el.firstChild.dispatchEvent(new CustomEvent('click'));
tressa.assert(el.refs.span === el.querySelector('span'), 'span after creation');
class MyShadow extends HyperHTMLElement {
constructor() {
super();
this.attachShadow({mode: 'open'});
this.html`<p ref="gotcha" />`;
}
}
MyShadow.define('my-shadow');
tressa.assert(!!(new MyShadow).refs.gotcha, 'ref works in shadow dom too');
// double created
let createdInstances = 0;
class MyCreated extends HyperHTMLElement {
created() { createdInstances++; }
}
MyCreated.define('my-created');
document.body.appendChild(new MyCreated);
document.body.appendChild(new MyCreated);
tressa.assert(createdInstances === 2, 'multiple CE do not affect the class');
// setState with default
let random = Math.random();
class StateHandlerDefault extends HyperHTMLElement {
updateState(state) {
this.setState(state);
}
}
StateHandlerDefault.define('state-handler-default');
el = new StateHandlerDefault();
el.updateState({random: random});
tressa.assert(
el.state.random === random,
'state created from scratch and updated'
);
// setState
class StateHandler extends HyperHTMLElement {
get defaultState() {
return {a: 1};
}
updateState(state) {
this.setState(state, false).setState(state);
}
}
StateHandler.define('state-handler');
el = new StateHandler();
random = Math.random();
el.updateState({random: random});
tressa.assert(
el.state.random === random && el.state.a === 1,
'state created from default and updated'
);
// setState callback
class StateHandlerCallback extends HyperHTMLElement {}
StateHandlerCallback.define('state-handler-callback');
el = new StateHandlerCallback();
el.setState({value: 1});
el.setState(prev => ({value: prev.value + 1}));
tressa.assert(
el.state.value === 2,
'callback executed and result assigned'
);
class DefaultState extends HyperHTMLElement {
get defaultState() { return {a: 'a'}; }
render() {}
}
DefaultState.define('default-state');
class State extends HyperHTMLElement {}
State.define('just-state');
var ds = new DefaultState;
var o = ds.state;
tressa.assert(!ds.propertyIsEnumerable('state'), 'states are not enumerable');
tressa.assert(!ds.propertyIsEnumerable('_state$'), 'neither their secret');
tressa.assert(o.a === 'a', 'default state retrieved');
var s = new State;
s.state = o;
tressa.assert(s.state === o, 'state can be set too');
ds.setState({b: 'b'});
tressa.assert(o.a === 'a' && o.b === 'b', 'state was updated');
s.state = {z: 123};
tressa.assert(s.state.z === 123 && !s.state.a, 'state can be re-set too');
class LateToTheParty extends HyperHTMLElement {
static get booleanAttributes() { return ['test']; }
attributeChangedCallback(name, prev, curr) {
tressa.assert(name === 'test', 'test reacted');
tressa.assert(prev == null, 'test reacted without a previous value');
tressa.assert(curr != null && this[name], 'test returns expected value');
}
}
var lttp = document.createElement('late-to-the-party');
lttp.test = true;
LateToTheParty.define('late-to-the-party');
document.body.appendChild(lttp);
class KebabHouse extends HyperHTMLElement {
static get observedAttributes() {
return ['kebab-sold'];
}
get kebabSold () {
return 'Yes, it is';
}
}
KebabHouse.define('kebab-house');
const kebabHouse = document.createElement('kebab-house');
tressa.assert(
kebabHouse.kebabSold === 'Yes, it is',
`Observed attribute getters don't overwrite predefined getters`
);
setTimeout(() => {
delete require.cache[require.resolve('./cjs')];
global.Symbol = {};
require('./cjs');
}, 100);
}, 100);