3 * This file test the CSSMin library shipped with Mediawiki.
9 * @group ResourceLoader
12 class CSSMinTest
extends MediaWikiTestCase
{
14 protected function setUp() {
17 $server = 'http://doc.example.org';
19 $this->setMwGlobals( [
20 'wgServer' => $server,
21 'wgCanonicalServer' => $server,
26 * @dataProvider mimeTypeProvider
27 * @covers CSSMin::getMimeType
29 public function testGetMimeType( $fileContents, $fileExtension, $expected ) {
30 $fileName = wfTempDir() . DIRECTORY_SEPARATOR
. uniqid( 'MW_PHPUnit_CSSMinTest_' ) . '.'
32 $this->addTmpFiles( $fileName );
33 file_put_contents( $fileName, $fileContents );
34 $this->assertSame( $expected, CSSMin
::getMimeType( $fileName ) );
37 public function mimeTypeProvider() {
39 'JPEG with short extension' => [
44 'JPEG with long extension' => [
50 "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A",
55 'PNG extension but JPEG content' => [
60 'JPEG extension but PNG content' => [
61 "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A",
65 'PNG extension but SVG content' => [
66 '<?xml version="1.0"?><svg></svg>',
70 'SVG extension but PNG content' => [
71 "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A",
76 'SVG with all headers' => [
77 '<?xml version="1.0"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" '
78 . '"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg></svg>',
82 'SVG with XML header only' => [
83 '<?xml version="1.0"?><svg></svg>',
87 'SVG with DOCTYPE only' => [
88 '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" '
89 . '"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg></svg>',
93 'SVG without any header' => [
102 * @dataProvider provideMinifyCases
103 * @covers CSSMin::minify
105 public function testMinify( $code, $expectedOutput ) {
106 $minified = CSSMin
::minify( $code );
111 'Minified output should be in the form expected.'
115 public static function provideMinifyCases() {
118 [ "\r\t\f \v\n\r", "" ],
119 [ "foo, bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ],
123 [ "/*******\n foo\n *******/", "" ],
124 [ "/*!\n foo\n */", "" ],
126 // Inline comments in various different places
127 [ "/* comment */foo, bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ],
128 [ "foo/* comment */, bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ],
129 [ "foo,/* comment */ bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ],
130 [ "foo, bar/* comment */ {\n\tprop: value;\n}", "foo,bar{prop:value}" ],
131 [ "foo, bar {\n\t/* comment */prop: value;\n}", "foo,bar{prop:value}" ],
132 [ "foo, bar {\n\tprop: /* comment */value;\n}", "foo,bar{prop:value}" ],
133 [ "foo, bar {\n\tprop: value /* comment */;\n}", "foo,bar{prop:value }" ],
134 [ "foo, bar {\n\tprop: value; /* comment */\n}", "foo,bar{prop:value; }" ],
136 // Keep track of things that aren't as minified as much as they
138 [ 'foo { prop: value ;}', 'foo{prop:value }' ],
139 [ 'foo { prop : value; }', 'foo{prop :value}' ],
140 [ 'foo { prop: value ; }', 'foo{prop:value }' ],
141 [ 'foo { font-family: "foo" , "bar"; }', 'foo{font-family:"foo" ,"bar"}' ],
142 [ "foo { src:\n\turl('foo') ,\n\turl('bar') ; }", "foo{src:url('foo') ,url('bar') }" ],
144 // Interesting cases with string values
145 // - Double quotes, single quotes
146 [ 'foo { content: ""; }', 'foo{content:""}' ],
147 [ "foo { content: ''; }", "foo{content:''}" ],
148 [ 'foo { content: "\'"; }', 'foo{content:"\'"}' ],
149 [ "foo { content: '\"'; }", "foo{content:'\"'}" ],
150 // - Whitespace in string values
151 [ 'foo { content: " "; }', 'foo{content:" "}' ],
153 // Whitespaces after opening and before closing parentheses and brackets
154 [ 'a:not( [ href ] ) { prop: url( foobar.png ); }', 'a:not([href]){prop:url(foobar.png)}' ],
156 // Ensure that the invalid "url (" will not become the valid "url(" by minification
157 [ 'foo { prop: url ( foobar.png ); }', 'foo{prop:url (foobar.png)}' ],
161 public static function provideIsRemoteUrl() {
163 [ true, 'http://localhost/w/red.gif?123' ],
164 [ true, 'https://example.org/x.png' ],
165 [ true, '//example.org/x.y.z/image.png' ],
166 [ true, '//localhost/styles.css?query=yes' ],
167 [ true, 'data:image/gif;base64,R0lGODlhAQABAIAAAP8AADAAACwAAAAAAQABAAACAkQBADs=' ],
170 [ false, './x.gif' ],
171 [ false, '../x.gif' ],
176 * @dataProvider provideIsRemoteUrl
177 * @covers CSSMin::isRemoteUrl
179 public function testIsRemoteUrl( $expect, $url ) {
180 $this->assertEquals( CSSMinTestable
::isRemoteUrl( $url ), $expect );
183 public static function provideIsLocalUrls() {
187 [ false, './x.gif' ],
188 [ false, '../x.gif' ],
193 * @dataProvider provideIsLocalUrls
194 * @covers CSSMin::isLocalUrl
196 public function testIsLocalUrl( $expect, $url ) {
197 $this->assertEquals( CSSMinTestable
::isLocalUrl( $url ), $expect );
201 * This test tests funky parameters to CSSMin::remap.
203 * @see testRemapRemapping for testing of the basic functionality
204 * @dataProvider provideRemapCases
205 * @covers CSSMin::remap
206 * @covers CSSMin::remapOne
208 public function testRemap( $message, $params, $expectedOutput ) {
209 $remapped = call_user_func_array( 'CSSMin::remap', $params );
211 $messageAdd = " Case: $message";
215 'CSSMin::remap should return the expected url form.' . $messageAdd
219 public static function provideRemapCases() {
220 // Parameter signature:
221 // CSSMin::remap( $code, $local, $remote, $embedData = true )
225 [ 'foo { prop: url(bar.png); }', false, 'http://example.org', false ],
226 'foo { prop: url(http://example.org/bar.png); }',
229 'Without trailing slash',
230 [ 'foo { prop: url(../bar.png); }', false, 'http://example.org/quux', false ],
231 'foo { prop: url(http://example.org/bar.png); }',
234 'With trailing slash on remote (T29052)',
235 [ 'foo { prop: url(../bar.png); }', false, 'http://example.org/quux/', false ],
236 'foo { prop: url(http://example.org/bar.png); }',
239 'Guard against stripping double slashes from query',
240 [ 'foo { prop: url(bar.png?corge=//grault); }', false, 'http://example.org/quux/', false ],
241 'foo { prop: url(http://example.org/quux/bar.png?corge=//grault); }',
244 'Expand absolute paths',
245 [ 'foo { prop: url(/w/skin/images/bar.png); }', false, 'http://example.org/quux', false ],
246 'foo { prop: url(http://doc.example.org/w/skin/images/bar.png); }',
249 "Don't barf at behavior: url(#default#behaviorName) - T162973",
250 [ 'foo { behavior: url(#default#bar); }', false, '/w/', false ],
251 'foo { behavior: url("#default#bar"); }',
257 * This tests the basic functionality of CSSMin::remap.
259 * @see testRemap for testing of funky parameters
260 * @dataProvider provideRemapRemappingCases
263 public function testRemapRemapping( $message, $input, $expectedOutput ) {
264 $localPath = __DIR__
. '/../../data/cssmin';
265 $remotePath = 'http://localhost/w';
267 $realOutput = CSSMin
::remap( $input, $localPath, $remotePath );
268 $this->assertEquals( $expectedOutput, $realOutput, "CSSMin::remap: $message" );
271 public static function provideRemapRemappingCases() {
272 // red.gif and green.gif are one-pixel 35-byte GIFs.
273 // large.png is a 35K PNG that should be non-embeddable.
274 // Full paths start with http://localhost/w/.
275 // Timestamps in output are replaced with 'timestamp'.
277 // data: URIs for red.gif, green.gif, circle.svg
278 $red = 'data:image/gif;base64,R0lGODlhAQABAIAAAP8AADAAACwAAAAAAQABAAACAkQBADs=';
279 $green = 'data:image/gif;base64,R0lGODlhAQABAIAAAACAADAAACwAAAAAAQABAAACAkQBADs=';
280 $svg = 'data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%228'
281 . '%22 height=%228%22 viewBox=%220 0 8 8%22%3E %3Ccircle cx=%224%22 cy=%224%22 '
282 . 'r=%222%22/%3E %3Ca xmlns:xlink=%22http://www.w3.org/1999/xlink%22 xlink:title='
283 . '%22%3F%3E%22%3Etest%3C/a%3E %3C/svg%3E';
285 // phpcs:disable Generic.Files.LineLength
289 'foo { background: url(red.gif); }',
290 'foo { background: url(http://localhost/w/red.gif?34ac6); }',
293 'Regular file (missing)',
294 'foo { background: url(theColorOfHerHair.gif); }',
295 'foo { background: url(http://localhost/w/theColorOfHerHair.gif); }',
299 'foo { background: url(http://example.org/w/foo.png); }',
300 'foo { background: url(http://example.org/w/foo.png); }',
303 'Protocol-relative remote URL',
304 'foo { background: url(//example.org/w/foo.png); }',
305 'foo { background: url(//example.org/w/foo.png); }',
308 'Remote URL with query',
309 'foo { background: url(http://example.org/w/foo.png?query=yes); }',
310 'foo { background: url(http://example.org/w/foo.png?query=yes); }',
313 'Protocol-relative remote URL with query',
314 'foo { background: url(//example.org/w/foo.png?query=yes); }',
315 'foo { background: url(//example.org/w/foo.png?query=yes); }',
318 'Domain-relative URL',
319 'foo { background: url(/static/foo.png); }',
320 'foo { background: url(http://doc.example.org/static/foo.png); }',
323 'Domain-relative URL with query',
324 'foo { background: url(/static/foo.png?query=yes); }',
325 'foo { background: url(http://doc.example.org/static/foo.png?query=yes); }',
328 'Remote URL (unnecessary quotes not preserved)',
329 'foo { background: url("http://example.org/w/unnecessary-quotes.png"); }',
330 'foo { background: url(http://example.org/w/unnecessary-quotes.png); }',
334 'foo { /* @embed */ background: url(red.gif); }',
335 "foo { background: url($red); background: url(http://localhost/w/red.gif?34ac6)!ie; }",
338 'Embedded file, other comments before the rule',
339 "foo { /* Bar. */ /* @embed */ background: url(red.gif); }",
340 "foo { /* Bar. */ background: url($red); /* Bar. */ background: url(http://localhost/w/red.gif?34ac6)!ie; }",
343 'Can not re-embed data: URIs',
344 "foo { /* @embed */ background: url($red); }",
345 "foo { background: url($red); }",
348 'Can not remap data: URIs',
349 "foo { background: url($red); }",
350 "foo { background: url($red); }",
353 'Can not embed remote URLs',
354 'foo { /* @embed */ background: url(http://example.org/w/foo.png); }',
355 'foo { background: url(http://example.org/w/foo.png); }',
358 'Embedded file (inline @embed)',
359 'foo { background: /* @embed */ url(red.gif); }',
360 "foo { background: url($red); "
361 . "background: url(http://localhost/w/red.gif?34ac6)!ie; }",
364 'Can not embed large files',
365 'foo { /* @embed */ background: url(large.png); }',
366 "foo { background: url(http://localhost/w/large.png?e3d1f); }",
369 'SVG files are embedded without base64 encoding and unnecessary IE 6 and 7 fallback',
370 'foo { /* @embed */ background: url(circle.svg); }',
371 "foo { background: url(\"$svg\"); }",
374 'Two regular files in one rule',
375 'foo { background: url(red.gif), url(green.gif); }',
376 'foo { background: url(http://localhost/w/red.gif?34ac6), '
377 . 'url(http://localhost/w/green.gif?13651); }',
380 'Two embedded files in one rule',
381 'foo { /* @embed */ background: url(red.gif), url(green.gif); }',
382 "foo { background: url($red), url($green); "
383 . "background: url(http://localhost/w/red.gif?34ac6), "
384 . "url(http://localhost/w/green.gif?13651)!ie; }",
387 'Two embedded files in one rule (inline @embed)',
388 'foo { background: /* @embed */ url(red.gif), /* @embed */ url(green.gif); }',
389 "foo { background: url($red), url($green); "
390 . "background: url(http://localhost/w/red.gif?34ac6), "
391 . "url(http://localhost/w/green.gif?13651)!ie; }",
394 'Two embedded files in one rule (inline @embed), one too large',
395 'foo { background: /* @embed */ url(red.gif), /* @embed */ url(large.png); }',
396 "foo { background: url($red), url(http://localhost/w/large.png?e3d1f); "
397 . "background: url(http://localhost/w/red.gif?34ac6), "
398 . "url(http://localhost/w/large.png?e3d1f)!ie; }",
401 'Practical example with some noise',
402 'foo { /* @embed */ background: #f9f9f9 url(red.gif) 0 0 no-repeat; }',
403 "foo { background: #f9f9f9 url($red) 0 0 no-repeat; "
404 . "background: #f9f9f9 url(http://localhost/w/red.gif?34ac6) 0 0 no-repeat!ie; }",
407 'Does not mess with other properties',
408 'foo { color: red; background: url(red.gif); font-size: small; }',
409 'foo { color: red; background: url(http://localhost/w/red.gif?34ac6); font-size: small; }',
412 'Spacing and miscellanea not changed (1)',
413 'foo { background: url(red.gif); }',
414 'foo { background: url(http://localhost/w/red.gif?34ac6); }',
417 'Spacing and miscellanea not changed (2)',
418 'foo {background:url(red.gif)}',
419 'foo {background:url(http://localhost/w/red.gif?34ac6)}',
422 'Spaces within url() parentheses are ignored',
423 'foo { background: url( red.gif ); }',
424 'foo { background: url(http://localhost/w/red.gif?34ac6); }',
427 '@import rule to local file (should we remap this?)',
428 '@import url(/styles.css)',
429 '@import url(http://doc.example.org/styles.css)',
432 '@import rule to local file (should we remap this?)',
433 '@import url(/styles.css)',
434 '@import url(http://doc.example.org/styles.css)',
437 '@import rule to URL',
438 '@import url(//localhost/styles.css?query=val)',
439 '@import url(//localhost/styles.css?query=val)',
442 'Background URL (double quotes)',
443 'foo { background: url("//localhost/styles.css?quoted=double") }',
444 'foo { background: url(//localhost/styles.css?quoted=double) }',
447 'Background URL (single quotes)',
448 'foo { background: url(\'//localhost/styles.css?quoted=single\') }',
449 'foo { background: url(//localhost/styles.css?quoted=single) }',
452 'Background URL (containing parentheses; T60473)',
453 'foo { background: url("//localhost/styles.css?query=(parens)") }',
454 'foo { background: url("//localhost/styles.css?query=(parens)") }',
457 'Background URL (double quoted, containing single quotes; T60473)',
458 'foo { background: url("//localhost/styles.css?quote=\'") }',
459 'foo { background: url("//localhost/styles.css?quote=\'") }',
462 'Background URL (single quoted, containing double quotes; T60473)',
463 'foo { background: url(\'//localhost/styles.css?quote="\') }',
464 'foo { background: url("//localhost/styles.css?quote=\"") }',
467 'Simple case with comments before url',
468 'foo { prop: /* some {funny;} comment */ url(bar.png); }',
469 'foo { prop: /* some {funny;} comment */ url(http://localhost/w/bar.png); }',
472 'Simple case with comments after url',
473 'foo { prop: url(red.gif)/* some {funny;} comment */ ; }',
474 'foo { prop: url(http://localhost/w/red.gif?34ac6)/* some {funny;} comment */ ; }',
477 'Embedded file with comment before url',
478 'foo { /* @embed */ background: /* some {funny;} comment */ url(red.gif); }',
479 "foo { background: /* some {funny;} comment */ url($red); background: /* some {funny;} comment */ url(http://localhost/w/red.gif?34ac6)!ie; }",
482 'Embedded file with comments inside and outside the rule',
483 'foo { /* @embed */ background: url(red.gif) /* some {foo;} comment */; /* some {bar;} comment */ }',
484 "foo { background: url($red) /* some {foo;} comment */; background: url(http://localhost/w/red.gif?34ac6) /* some {foo;} comment */!ie; /* some {bar;} comment */ }",
487 'Embedded file with comment outside the rule',
488 'foo { /* @embed */ background: url(red.gif); /* some {funny;} comment */ }',
489 "foo { background: url($red); background: url(http://localhost/w/red.gif?34ac6)!ie; /* some {funny;} comment */ }",
492 'Rule with two urls, each with comments',
493 '{ background: /*asd*/ url(something.png); background: /*jkl*/ url(something.png); }',
494 '{ background: /*asd*/ url(http://localhost/w/something.png); background: /*jkl*/ url(http://localhost/w/something.png); }',
497 'Sanity check for offending line from jquery.ui.theme.css (T62077)',
498 '.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}*/; }',
499 '.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}*/; }',
506 * This tests basic functionality of CSSMin::buildUrlValue.
508 * @dataProvider provideBuildUrlValueCases
509 * @covers CSSMin::buildUrlValue
511 public function testBuildUrlValue( $message, $input, $expectedOutput ) {
514 CSSMin
::buildUrlValue( $input ),
515 "CSSMin::buildUrlValue: $message"
519 public static function provideBuildUrlValueCases() {
523 'scheme://user@domain:port/~user/fi%20le.png?query=yes&really=y+s',
524 'url(scheme://user@domain:port/~user/fi%20le.png?query=yes&really=y+s)',
528 'data:image/png;base64,R0lGODlh/+==',
529 'url(data:image/png;base64,R0lGODlh/+==)',
533 "https://en.wikipedia.org/wiki/Wendy's",
534 "url(\"https://en.wikipedia.org/wiki/Wendy's\")",
537 'URL with parentheses',
538 'https://en.wikipedia.org/wiki/Boston_(band)',
539 'url("https://en.wikipedia.org/wiki/Boston_(band)")',
545 * Seperated because they are currently broken (T37492)
548 * @dataProvider provideStringCases
549 * @covers CSSMin::remap
551 public function testMinifyWithCSSStringValues( $code, $expectedOutput ) {
552 $this->testMinifyOutput( $code, $expectedOutput );
555 public static function provideStringCases() {
557 // String values should be respected
558 // - More than one space in a string value
559 [ 'foo { content: " "; }', 'foo{content:" "}' ],
560 // - Using a tab in a string value (turns into a space)
561 [ "foo { content: '\t'; }", "foo{content:'\t'}" ],
562 // - Using css-like syntax in string values
564 'foo::after { content: "{;}"; position: absolute; }',
565 'foo::after{content:"{;}";position:absolute}'
571 class CSSMinTestable
extends CSSMin
{
572 // Make some protected methods public
573 public static function isRemoteUrl( $maybeUrl ) {
574 return parent
::isRemoteUrl( $maybeUrl );
576 public static function isLocalUrl( $maybeUrl ) {
577 return parent
::isLocalUrl( $maybeUrl );