summaryrefslogtreecommitdiff
path: root/tests/phpunit/includes/libs/CSSMinTest.php
blob: 6142f9675b03eb9dee139ca3bc86a277f1425e4f (plain)
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
<?php
/**
 * This file test the CSSMin library shipped with Mediawiki.
 *
 * @author Timo Tijhof
 */

class CSSMinTest extends MediaWikiTestCase {

	protected function setUp() {
		parent::setUp();

		$server = 'http://doc.example.org';

		$this->setMwGlobals( array(
			'wgServer' => $server,
			'wgCanonicalServer' => $server,
		) );
	}

	/**
	 * @dataProvider provideMinifyCases
	 * @covers CSSMin::minify
	 */
	public function testMinify( $code, $expectedOutput ) {
		$minified = CSSMin::minify( $code );

		$this->assertEquals(
			$expectedOutput,
			$minified,
			'Minified output should be in the form expected.'
		);
	}

	public static function provideMinifyCases() {
		return array(
			// Whitespace
			array( "\r\t\f \v\n\r", "" ),
			array( "foo, bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ),

			// Loose comments
			array( "/* foo */", "" ),
			array( "/*******\n foo\n *******/", "" ),
			array( "/*!\n foo\n */", "" ),

			// Inline comments in various different places
			array( "/* comment */foo, bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ),
			array( "foo/* comment */, bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ),
			array( "foo,/* comment */ bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ),
			array( "foo, bar/* comment */ {\n\tprop: value;\n}", "foo,bar{prop:value}" ),
			array( "foo, bar {\n\t/* comment */prop: value;\n}", "foo,bar{prop:value}" ),
			array( "foo, bar {\n\tprop: /* comment */value;\n}", "foo,bar{prop:value}" ),
			array( "foo, bar {\n\tprop: value /* comment */;\n}", "foo,bar{prop:value }" ),
			array( "foo, bar {\n\tprop: value; /* comment */\n}", "foo,bar{prop:value; }" ),

			// Keep track of things that aren't as minified as much as they
			// could be (bug 35493)
			array( 'foo { prop: value ;}', 'foo{prop:value }' ),
			array( 'foo { prop : value; }', 'foo{prop :value}' ),
			array( 'foo { prop: value ; }', 'foo{prop:value }' ),
			array( 'foo { font-family: "foo" , "bar"; }', 'foo{font-family:"foo" ,"bar"}' ),
			array( "foo { src:\n\turl('foo') ,\n\turl('bar') ; }", "foo{src:url('foo') ,url('bar') }" ),

			// Interesting cases with string values
			// - Double quotes, single quotes
			array( 'foo { content: ""; }', 'foo{content:""}' ),
			array( "foo { content: ''; }", "foo{content:''}" ),
			array( 'foo { content: "\'"; }', 'foo{content:"\'"}' ),
			array( "foo { content: '\"'; }", "foo{content:'\"'}" ),
			// - Whitespace in string values
			array( 'foo { content: " "; }', 'foo{content:" "}' ),
		);
	}

	/**
	 * This tests funky parameters to CSSMin::remap. testRemapRemapping tests
	 * the basic functionality.
	 *
	 * @dataProvider provideRemapCases
	 * @covers CSSMin::remap
	 */
	public function testRemap( $message, $params, $expectedOutput ) {
		$remapped = call_user_func_array( 'CSSMin::remap', $params );

		$messageAdd = " Case: $message";
		$this->assertEquals(
			$expectedOutput,
			$remapped,
			'CSSMin::remap should return the expected url form.' . $messageAdd
		);
	}

	public static function provideRemapCases() {
		// Parameter signature:
		// CSSMin::remap( $code, $local, $remote, $embedData = true )
		return array(
			array(
				'Simple case',
				array( 'foo { prop: url(bar.png); }', false, 'http://example.org', false ),
				'foo { prop: url(http://example.org/bar.png); }',
			),
			array(
				'Without trailing slash',
				array( 'foo { prop: url(../bar.png); }', false, 'http://example.org/quux', false ),
				'foo { prop: url(http://example.org/quux/../bar.png); }',
			),
			array(
				'With trailing slash on remote (bug 27052)',
				array( 'foo { prop: url(../bar.png); }', false, 'http://example.org/quux/', false ),
				'foo { prop: url(http://example.org/quux/../bar.png); }',
			),
			array(
				'Guard against stripping double slashes from query',
				array( 'foo { prop: url(bar.png?corge=//grault); }', false, 'http://example.org/quux/', false ),
				'foo { prop: url(http://example.org/quux/bar.png?corge=//grault); }',
			),
			array(
				'Expand absolute paths',
				array( 'foo { prop: url(/w/skin/images/bar.png); }', false, 'http://example.org/quux', false ),
				'foo { prop: url(http://doc.example.org/w/skin/images/bar.png); }',
			),
		);
	}

	/**
	 * This tests basic functionality of CSSMin::remap. testRemapRemapping tests funky parameters.
	 *
	 * @dataProvider provideRemapRemappingCases
	 * @covers CSSMin::remap
	 */
	public function testRemapRemapping( $message, $input, $expectedOutput ) {
		$localPath = __DIR__ . '/../../data/cssmin/';
		$remotePath = 'http://localhost/w/';

		$realOutput = CSSMin::remap( $input, $localPath, $remotePath );

		$this->assertEquals(
			$expectedOutput,
			preg_replace( '/\d+-\d+-\d+T\d+:\d+:\d+Z/', 'timestamp', $realOutput ),
			"CSSMin::remap: $message"
		);
	}

	public static function provideIsRemoteUrl() {
		return array(
			array( true, 'http://localhost/w/red.gif?123' ),
			array( true, 'https://example.org/x.png' ),
			array( true, '//example.org/x.y.z/image.png' ),
			array( true, '//localhost/styles.css?query=yes' ),
			array( true, 'data:image/gif;base64,R0lGODlhAQABAIAAAP8AADAAACwAAAAAAQABAAACAkQBADs=' ),
			array( false, 'x.gif' ),
			array( false, '/x.gif' ),
			array( false, './x.gif' ),
			array( false, '../x.gif' ),
		);
	}

	/**
	 * @dataProvider provideIsRemoteUrl
	 * @cover CSSMin::isRemoteUrl
	 */
	public function testIsRemoteUrl( $expect, $url ) {
		$this->assertEquals( CSSMin::isRemoteUrl( $url ), $expect );
	}

	public static function provideIsLocalUrls() {
		return array(
			array( false, 'x.gif' ),
			array( true, '/x.gif' ),
			array( false, './x.gif' ),
			array( false, '../x.gif' ),
		);
	}

	/**
	 * @dataProvider provideIsLocalUrls
	 * @cover CSSMin::isLocalUrl
	 */
	public function testIsLocalUrl( $expect, $url ) {
		$this->assertEquals( CSSMin::isLocalUrl( $url ), $expect );
	}

	public static function provideRemapRemappingCases() {
		// red.gif and green.gif are one-pixel 35-byte GIFs.
		// large.png is a 35K PNG that should be non-embeddable.
		// Full paths start with http://localhost/w/.
		// Timestamps in output are replaced with 'timestamp'.

		// data: URIs for red.gif, green.gif, circle.svg
		$red   = 'data:image/gif;base64,R0lGODlhAQABAIAAAP8AADAAACwAAAAAAQABAAACAkQBADs=';
		$green = 'data:image/gif;base64,R0lGODlhAQABAIAAAACAADAAACwAAAAAAQABAAACAkQBADs=';
		$svg = 'data:image/svg+xml,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%3F%3E%0A'
			. '%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%228%22%20height%3D'
			. '%228%22%3E%0A%3Ccircle%20cx%3D%224%22%20cy%3D%224%22%20r%3D%222%22%2F%3E%0A%3C%2Fsvg%3E%0A';

		return array(
			array(
				'Regular file',
				'foo { background: url(red.gif); }',
				'foo { background: url(http://localhost/w/red.gif?timestamp); }',
			),
			array(
				'Regular file (missing)',
				'foo { background: url(theColorOfHerHair.gif); }',
				'foo { background: url(http://localhost/w/theColorOfHerHair.gif); }',
			),
			array(
				'Remote URL',
				'foo { background: url(http://example.org/w/foo.png); }',
				'foo { background: url(http://example.org/w/foo.png); }',
			),
			array(
				'Protocol-relative remote URL',
				'foo { background: url(//example.org/w/foo.png); }',
				'foo { background: url(//example.org/w/foo.png); }',
			),
			array(
				'Remote URL with query',
				'foo { background: url(http://example.org/w/foo.png?query=yes); }',
				'foo { background: url(http://example.org/w/foo.png?query=yes); }',
			),
			array(
				'Protocol-relative remote URL with query',
				'foo { background: url(//example.org/w/foo.png?query=yes); }',
				'foo { background: url(//example.org/w/foo.png?query=yes); }',
			),
			array(
				'Domain-relative URL',
				'foo { background: url(/static/foo.png); }',
				'foo { background: url(http://doc.example.org/static/foo.png); }',
			),
			array(
				'Domain-relative URL with query',
				'foo { background: url(/static/foo.png?query=yes); }',
				'foo { background: url(http://doc.example.org/static/foo.png?query=yes); }',
			),
			array(
				'Remote URL (unnecessary quotes not preserved)',
				'foo { background: url("http://example.org/w/foo.png"); }',
				'foo { background: url(http://example.org/w/foo.png); }',
			),
			array(
				'Embedded file',
				'foo { /* @embed */ background: url(red.gif); }',
				"foo { background: url($red); background: url(http://localhost/w/red.gif?timestamp)!ie; }",
			),
			array(
				'Embedded file, other comments before the rule',
				"foo { /* Bar. */ /* @embed */ background: url(red.gif); }",
				"foo { /* Bar. */ background: url($red); /* Bar. */ background: url(http://localhost/w/red.gif?timestamp)!ie; }",
			),
			array(
				'Can not re-embed data: URIs',
				"foo { /* @embed */ background: url($red); }",
				"foo { background: url($red); }",
			),
			array(
				'Can not remap data: URIs',
				"foo { background: url($red); }",
				"foo { background: url($red); }",
			),
			array(
				'Can not embed remote URLs',
				'foo { /* @embed */ background: url(http://example.org/w/foo.png); }',
				'foo { background: url(http://example.org/w/foo.png); }',
			),
			array(
				'Embedded file (inline @embed)',
				'foo { background: /* @embed */ url(red.gif); }',
				"foo { background: url($red); "
					. "background: url(http://localhost/w/red.gif?timestamp)!ie; }",
			),
			array(
				'Can not embed large files',
				'foo { /* @embed */ background: url(large.png); }',
				"foo { background: url(http://localhost/w/large.png?timestamp); }",
			),
			array(
				'SVG files are embedded without base64 encoding and unnecessary IE 6 and 7 fallback',
				'foo { /* @embed */ background: url(circle.svg); }',
				"foo { background: url($svg); }",
			),
			array(
				'Two regular files in one rule',
				'foo { background: url(red.gif), url(green.gif); }',
				'foo { background: url(http://localhost/w/red.gif?timestamp), '
					. 'url(http://localhost/w/green.gif?timestamp); }',
			),
			array(
				'Two embedded files in one rule',
				'foo { /* @embed */ background: url(red.gif), url(green.gif); }',
				"foo { background: url($red), url($green); "
					. "background: url(http://localhost/w/red.gif?timestamp), "
					. "url(http://localhost/w/green.gif?timestamp)!ie; }",
			),
			array(
				'Two embedded files in one rule (inline @embed)',
				'foo { background: /* @embed */ url(red.gif), /* @embed */ url(green.gif); }',
				"foo { background: url($red), url($green); "
					. "background: url(http://localhost/w/red.gif?timestamp), "
					. "url(http://localhost/w/green.gif?timestamp)!ie; }",
			),
			array(
				'Two embedded files in one rule (inline @embed), one too large',
				'foo { background: /* @embed */ url(red.gif), /* @embed */ url(large.png); }',
				"foo { background: url($red), url(http://localhost/w/large.png?timestamp); "
					. "background: url(http://localhost/w/red.gif?timestamp), "
					. "url(http://localhost/w/large.png?timestamp)!ie; }",
			),
			array(
				'Practical example with some noise',
				'foo { /* @embed */ background: #f9f9f9 url(red.gif) 0 0 no-repeat; }',
				"foo { background: #f9f9f9 url($red) 0 0 no-repeat; "
					. "background: #f9f9f9 url(http://localhost/w/red.gif?timestamp) 0 0 no-repeat!ie; }",
			),
			array(
				'Does not mess with other properties',
				'foo { color: red; background: url(red.gif); font-size: small; }',
				'foo { color: red; background: url(http://localhost/w/red.gif?timestamp); font-size: small; }',
			),
			array(
				'Spacing and miscellanea not changed (1)',
				'foo {   background:    url(red.gif);  }',
				'foo {   background:    url(http://localhost/w/red.gif?timestamp);  }',
			),
			array(
				'Spacing and miscellanea not changed (2)',
				'foo {background:url(red.gif)}',
				'foo {background:url(http://localhost/w/red.gif?timestamp)}',
			),
			array(
				'Spaces within url() parentheses are ignored',
				'foo { background: url( red.gif ); }',
				'foo { background: url(http://localhost/w/red.gif?timestamp); }',
			),
			array(
				'@import rule to local file (should we remap this?)',
				'@import url(/styles.css)',
				'@import url(http://doc.example.org/styles.css)',
			),
			array(
				'@import rule to URL (should we remap this?)',
				'@import url(//localhost/styles.css?query=yes)',
				'@import url(//localhost/styles.css?query=yes)',
			),
			array(
				'Simple case with comments before url',
				'foo { prop: /* some {funny;} comment */ url(bar.png); }',
				'foo { prop: /* some {funny;} comment */ url(http://localhost/w/bar.png); }',
			),
			array(
				'Simple case with comments after url',
				'foo { prop: url(red.gif)/* some {funny;} comment */ ; }',
				'foo { prop: url(http://localhost/w/red.gif?timestamp)/* some {funny;} comment */ ; }',
			),
			array(
				'Embedded file with comment before url',
				'foo { /* @embed */ background: /* some {funny;} comment */ url(red.gif); }',
				"foo { background: /* some {funny;} comment */ url($red); background: /* some {funny;} comment */ url(http://localhost/w/red.gif?timestamp)!ie; }",
			),
			array(
				'Embedded file with comments inside and outside the rule',
				'foo { /* @embed */ background: url(red.gif) /* some {foo;} comment */; /* some {bar;} comment */ }',
				"foo { background: url($red) /* some {foo;} comment */; background: url(http://localhost/w/red.gif?timestamp) /* some {foo;} comment */!ie; /* some {bar;} comment */ }",
			),
			array(
				'Embedded file with comment outside the rule',
				'foo { /* @embed */ background: url(red.gif); /* some {funny;} comment */ }',
				"foo { background: url($red); background: url(http://localhost/w/red.gif?timestamp)!ie; /* some {funny;} comment */ }",
			),
			array(
				'Rule with two urls, each with comments',
				'{ background: /*asd*/ url(something.png); background: /*jkl*/ url(something.png); }',
				'{ background: /*asd*/ url(http://localhost/w/something.png); background: /*jkl*/ url(http://localhost/w/something.png); }',
			),
			array(
				'Sanity check for offending line from jquery.ui.theme.css (bug 60077)',
				'.ui-state-default, .ui-widget-content .ui-state-default, .ui-widget-header .ui-state-default { border: 1px solid #d3d3d3/*{borderColorDefault}*/; background: #e6e6e6/*{bgColorDefault}*/ url(images/ui-bg_glass_75_e6e6e6_1x400.png)/*{bgImgUrlDefault}*/ 50%/*{bgDefaultXPos}*/ 50%/*{bgDefaultYPos}*/ repeat-x/*{bgDefaultRepeat}*/; font-weight: normal/*{fwDefault}*/; color: #555555/*{fcDefault}*/; }',
				'.ui-state-default, .ui-widget-content .ui-state-default, .ui-widget-header .ui-state-default { border: 1px solid #d3d3d3/*{borderColorDefault}*/; background: #e6e6e6/*{bgColorDefault}*/ url(http://localhost/w/images/ui-bg_glass_75_e6e6e6_1x400.png)/*{bgImgUrlDefault}*/ 50%/*{bgDefaultXPos}*/ 50%/*{bgDefaultYPos}*/ repeat-x/*{bgDefaultRepeat}*/; font-weight: normal/*{fwDefault}*/; color: #555555/*{fcDefault}*/; }',
			),
		);
	}

	/**
	 * This tests basic functionality of CSSMin::buildUrlValue.
	 *
	 * @dataProvider provideBuildUrlValueCases
	 * @covers CSSMin::buildUrlValue
	 */
	public function testBuildUrlValue( $message, $input, $expectedOutput ) {
		$this->assertEquals(
			$expectedOutput,
			CSSMin::buildUrlValue( $input ),
			"CSSMin::buildUrlValue: $message"
		);
	}

	public static function provideBuildUrlValueCases() {
		return array(
			array(
				'Full URL',
				'scheme://user@domain:port/~user/fi%20le.png?query=yes&really=y+s',
				'url(scheme://user@domain:port/~user/fi%20le.png?query=yes&really=y+s)',
			),
			array(
				'data: URI',
				'data:image/png;base64,R0lGODlh/+==',
				'url(data:image/png;base64,R0lGODlh/+==)',
			),
			array(
				'URL with quotes',
				"https://en.wikipedia.org/wiki/Wendy's",
				"url(\"https://en.wikipedia.org/wiki/Wendy's\")",
			),
			array(
				'URL with parentheses',
				'https://en.wikipedia.org/wiki/Boston_(band)',
				'url("https://en.wikipedia.org/wiki/Boston_(band)")',
			),
		);
	}

	/**
	 * Seperated because they are currently broken (bug 35492)
	 *
	 * @group Broken
	 * @dataProvider provideStringCases
	 * @covers CSSMin::remap
	 */
	public function testMinifyWithCSSStringValues( $code, $expectedOutput ) {
		$this->testMinifyOutput( $code, $expectedOutput );
	}

	public static function provideStringCases() {
		return array(
			// String values should be respected
			// - More than one space in a string value
			array( 'foo { content: "  "; }', 'foo{content:"  "}' ),
			// - Using a tab in a string value (turns into a space)
			array( "foo { content: '\t'; }", "foo{content:'\t'}" ),
			// - Using css-like syntax in string values
			array(
				'foo::after { content: "{;}"; position: absolute; }',
				'foo::after{content:"{;}";position:absolute}'
			),
		);
	}
}