/
basic.test.js
539 lines (442 loc) · 13.4 KB
/
basic.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
529
530
531
532
533
534
535
536
537
538
539
// Node v4 requires "use strict" to allow block scoped let & const
"use strict";
describe("basic tests", function() {
var path = require("path");
var utils = require("./utils"),
runCompilerTest = utils.runCompilerTest,
runSourceTest = utils.runSourceTest;
var fs;
var requiredCss = ".required { color: blue }",
requiredCssTwo = ".requiredTwo { color: cyan }",
localScopedCss = ":local(.className) { background: red; }",
localComposingCss = `
:local(.composingClass) {
composes: className from './localScoped.css';
color: blue;
}
`,
requiredStyle = `<style type="text/css">${requiredCss}</style>`,
existingStyle = `<style id="existing-style">.existing { color: yellow }</style>`,
checkValue = '<div class="check">check</div>',
rootDir = path.resolve(__dirname + "/../") + "/",
jsdomHtml = [
"<html>",
"<head id='head'>",
existingStyle,
"</head>",
"<body>",
"<div class='target'>",
checkValue,
"</div>",
"<iframe class='iframeTarget'/>",
"</body>",
"</html>"
].join("\n"),
requiredJS = [
"var el = document.createElement('div');",
"el.id = \"test-shadow\";",
// "var shadow = el.attachShadow({ mode: 'open' })", // sadly shadow dom not working in jsdom
"document.body.appendChild(el)",
"var css = require('./style.css');",
].join("\n");
var styleLoaderOptions = {};
var cssRule = {};
var defaultCssRule = {
test: /\.css?$/,
use: [
{
loader: "style-loader",
options: styleLoaderOptions
},
"css-loader"
]
};
var webpackConfig = {
entry: "./main.js",
output: {
filename: "bundle.js"
},
module: {
rules: [cssRule]
}
};
var setupWebpackConfig = function() {
fs = utils.setup(webpackConfig, jsdomHtml);
// Create a tiny file system. rootDir is used because loaders are referring to absolute paths.
fs.mkdirpSync(rootDir);
fs.writeFileSync(rootDir + "main.js", requiredJS);
fs.writeFileSync(rootDir + "style.css", requiredCss);
fs.writeFileSync(rootDir + "styleTwo.css", requiredCssTwo);
fs.writeFileSync(rootDir + "localScoped.css", localScopedCss);
fs.writeFileSync(rootDir + "localComposing.css", localComposingCss);
};
beforeEach(function() {
// Reset all style-loader options
for (var member in styleLoaderOptions) {
delete styleLoaderOptions[member];
}
for (var member in defaultCssRule) {
cssRule[member] = defaultCssRule[member];
}
setupWebpackConfig();
}); // before each
it("insert at bottom", function(done) {
let expected = [existingStyle, requiredStyle].join("\n");
runCompilerTest(expected, done);
}); // it insert at bottom
it("insert at top", function(done) {
styleLoaderOptions.insertAt = "top";
let expected = [requiredStyle, existingStyle].join("\n");
runCompilerTest(expected, done);
}); // it insert at top
it("insert at before", function(done) {
styleLoaderOptions.insertAt = {
before: "#existing-style"
};
let expected = [requiredStyle, existingStyle].join("");
runCompilerTest(expected, done);
}); // it insert at before
it("insert at before invalid selector", function(done) {
styleLoaderOptions.insertAt = {
before: "#missing"
};
let expected = [existingStyle, requiredStyle].join("\n");
runCompilerTest(expected, done);
}); // it insert at before
it("insert into", function(done) {
let selector = "div.target";
styleLoaderOptions.insertInto = selector;
let expected = [checkValue, requiredStyle].join("\n");
runCompilerTest(expected, done, undefined, selector);
}); // it insert into
it("insert into iframe", function(done) {
let selector = "iframe.iframeTarget";
styleLoaderOptions.insertInto = selector;
let expected = requiredStyle;
runCompilerTest(expected, done, function() {
return this.document.querySelector(selector).contentDocument.head.innerHTML;
}, selector);
}); // it insert into
it("insert into custom element by function", function(done) {
const selector = "#test-shadow";
styleLoaderOptions.insertInto = () => document.querySelector("#test-shadow");
let expected = requiredStyle;
runCompilerTest(expected, done, function() {
return this.document.querySelector(selector).innerHTML;
}, selector);
});
it("insert at before with insert into custom element by function", function(done) {
const selector = "#head";
styleLoaderOptions.insertInto = () => document.querySelector("#head");
styleLoaderOptions.insertAt = {
before: "#existing-style"
};
let expected = requiredCss;
runCompilerTest(expected, done, function() {
let head = this.document.querySelector(selector);
let existingStyleIndex;
for (let i = 0; i < head.children.length; i++){
let html = `<style id="existing-style">${head.children[i].innerHTML}</style>`;
if(html === existingStyle){
existingStyleIndex = i;
break;
}
}
return head.children[existingStyleIndex - 1].innerHTML;
}, selector);
}); // it insert at before with insert into
it("singleton (true)", function(done) {
// Setup
styleLoaderOptions.singleton = true;
fs.writeFileSync(
rootDir + "main.js",
[
"var a = require('./style.css');",
"var b = require('./styleTwo.css');"
].join("\n")
);
// Run
let expected = [
existingStyle,
`<style type="text/css">${requiredCss}${requiredCssTwo}</style>`
].join("\n");
runCompilerTest(expected, done);
}); // it singleton
it("singleton (false)", function(done) {
// Setup
styleLoaderOptions.singleton = false;
fs.writeFileSync(
rootDir + "main.js",
[
"var a = require('./style.css');",
"var b = require('./styleTwo.css');"
].join("\n")
);
// Run
let expected = [
existingStyle,
`<style type="text/css">${requiredCss}</style><style type="text/css">${requiredCssTwo}</style>`
].join("\n");
runCompilerTest(expected, done);
}); // it singleton
it("attrs", function(done) {
// Setup
styleLoaderOptions.attrs = {id: 'style-tag-id'};
fs.writeFileSync(
rootDir + "main.js",
[
"var a = require('./style.css');"
].join("\n")
);
// Run
let expected = [
existingStyle,
`<style id="${styleLoaderOptions.attrs.id}" type="text/css">${requiredCss}</style>`
].join("\n");
runCompilerTest(expected, done);
}); // it attrs
it("type attribute", function(done) {
// Setup
styleLoaderOptions.attrs = {type: 'text/less'};
fs.writeFileSync(
rootDir + "main.js",
[
"var a = require('./style.css');"
].join("\n")
);
// Run
let expected = [
existingStyle,
`<style type="${styleLoaderOptions.attrs.type}">${requiredCss}</style>`
].join("\n");
runCompilerTest(expected, done);
}); // it type attribute
it("url", function(done) {
cssRule.use = [
{
loader: "style-loader/url",
options: {}
},
"file-loader"
];
// Run
let expected = [
existingStyle,
'<link rel="stylesheet" type="text/css" href="ec9d4f4f24028c3d51bf1e7728e632ff.css">'
].join("\n");
runCompilerTest(expected, done);
}); // it url
it("url with attrs", function (done) {
cssRule.use = [
{
loader: "style-loader/url",
options: {
attrs: {
'data-attr-1': 'attr-value-1',
'data-attr-2': 'attr-value-2'
}
}
},
"file-loader"
];
// Run
let expected = [
existingStyle,
'<link rel="stylesheet" type="text/css" href="ec9d4f4f24028c3d51bf1e7728e632ff.css" data-attr-1="attr-value-1" data-attr-2="attr-value-2">'
].join("\n");
runCompilerTest(expected, done);
}); // it url with attrs
it("url with type attribute", function (done) {
cssRule.use = [
{
loader: "style-loader/url",
options: {
attrs: {
type: 'text/less'
}
}
},
"file-loader"
];
// Run
let expected = [
existingStyle,
'<link rel="stylesheet" type="text/less" href="ec9d4f4f24028c3d51bf1e7728e632ff.css">'
].join("\n");
runCompilerTest(expected, done);
}); // it url with type attribute
it("useable", function(done) {
cssRule.use = [
{
loader: "style-loader/useable"
},
"css-loader"
];
fs.writeFileSync(
rootDir + "main.js",
[
"var css = require('./style.css');",
"var cssTwo = require('./styleTwo.css');",
"css.use();",
"cssTwo.use();",
"css.unuse();"
].join("\n")
);
// Run
let expected = [
existingStyle,
`<style type="text/css">${requiredCssTwo}</style>`
].join("\n");
runCompilerTest(expected, done);
}); // it useable
it("useable without negative refs", function(done) {
cssRule.use = [
{
loader: "style-loader/useable"
},
"css-loader"
];
fs.writeFileSync(
rootDir + "main.js",
[
"var css = require('./style.css');",
"css.unuse();", // ref still 0
"css.use();", // ref 1
].join("\n")
);
// Run
let expected = [
existingStyle,
`<style type="text/css">${requiredCss}</style>`
].join("\n");
runCompilerTest(expected, done);
}); // it useable
it("local scope", function(done) {
cssRule.use = [
{
loader: "style-loader"
},
{
loader: "css-loader",
options: {
localIdentName: '[name].[local]_[hash:base64:7]'
}
}
];
fs.writeFileSync(
rootDir + "main.js",
[
"css = require('./localScoped.css');"
].join("\n")
);
let expected = 'localScoped-className_3dIU6Uf';
runCompilerTest(expected, done, function() { return this.css.className; });
}); // it local scope
it("local scope, composing", function(done) {
cssRule.use = [
{
loader: "style-loader"
},
{
loader: "css-loader",
options: {
localIdentName: '[name].[local]_[hash:base64:7]'
}
}
];
fs.writeFileSync(
rootDir + "main.js",
[
"css = require('./localComposing.css');"
].join("\n")
);
let expected =
'localComposing-composingClass_3kXcqag localScoped-className_3dIU6Uf';
runCompilerTest(expected, done, function() {
return this.css.composingClass;
});
}); // it local scope, composing
it("local scope, composing, custom getLocalIdent", function(done) {
cssRule.use = [
{
loader: "style-loader"
},
{
loader: "css-loader",
options: {
ident: 'css',
localIdentName: '[name].[local]_[hash:base64:7]',
getLocalIdent: (context, localIdentName, localName) => {
return 'X' + localName;
}
}
}
];
fs.writeFileSync(
rootDir + "main.js",
[
"css = require('./localComposing.css');"
].join("\n")
);
let expected =
'XcomposingClass XclassName';
runCompilerTest(expected, done, function() {
return this.css.composingClass;
});
}); // it local scope, composing, custom getLocalIdent
it("local scope, useable", function(done) {
cssRule.use = [
{
loader: "style-loader/useable"
},
{
loader: "css-loader",
options: {
localIdentName: '[name].[local]_[hash:base64:7]'
}
}
];
fs.writeFileSync(
rootDir + "main.js",
[
"css = require('./localScoped.css');"
].join("\n")
);
let expected = 'localScoped-className_3dIU6Uf';
runCompilerTest(expected, done, function() { return this.css.locals.className; });
}); // it local scope
describe("transform function", function() {
it("should not load the css if the transform function returns false", function(done) {
styleLoaderOptions.transform = 'test/transforms/false';
const expected = existingStyle;
runCompilerTest(expected, done);
});
it("should not load the css if the transform function returns undefined", function(done) {
styleLoaderOptions.transform = 'test/transforms/noop';
const expected = existingStyle;
runCompilerTest(expected, done);
});
it("should load the transformed css returned by the transform function", function(done) {
const transform = require('./transforms/transform');
styleLoaderOptions.transform = 'test/transforms/transform';
const expectedTansformedStyle = transform(requiredStyle);
const expected = [existingStyle, expectedTansformedStyle].join("\n");
runCompilerTest(expected, done);
});
});
describe("HMR", function() {
it("should output HMR code block by default", function(done) {
runSourceTest(/module\.hot/g, null, done);
});
it("should output HMR code block when options.hmr is true", function(done) {
styleLoaderOptions.hmr = true;
setupWebpackConfig();
runSourceTest(/module\.hot/g, null, done);
});
it("should not output HMR code block when options.hmr is false", function(done) {
styleLoaderOptions.hmr = false;
setupWebpackConfig();
runSourceTest(null, /module\.hot/g, done);
});
});
});