tests/phpunit/includes/libs/CSSMinTest.php

   1 <?php
   2 /**
   3  * This file test the CSSMin library shipped with Mediawiki.
   4  *
   5  * @author Timo Tijhof
   6  */
   7
   8 class CSSMinTest extends MediaWikiTestCase {
   9
  10         protected function setUp() {
  11                 parent::setUp();
  12
  13                 $server = 'http://doc.example.org';
  14
  15                 $this->setMwGlobals( [
  16                         'wgServer' => $server,
  17                         'wgCanonicalServer' => $server,
  18                 ] );
  19         }
  20
  21         /**
  22          * @dataProvider mimeTypeProvider
  23          */
  24         public function testGetMimeType( $fileContents, $fileExtension, $expected ) {
  25                 $fileName = wfTempDir() . DIRECTORY_SEPARATOR . uniqid( 'MW_PHPUnit_CSSMinTest_' ) . '.'
  26                         . $fileExtension;
  27                 $this->addTmpFiles( $fileName );
  28                 file_put_contents( $fileName, $fileContents );
  29                 $this->assertSame( $expected, CSSMin::getMimeType( $fileName ) );
  30         }
  31
  32         public function mimeTypeProvider() {
  33                 return [
  34                         'JPEG with short extension' => [
  35                                 "\xFF\xD8\xFF",
  36                                 'jpg',
  37                                 'image/jpeg'
  38                         ],
  39                         'JPEG with long extension' => [
  40                                 "\xFF\xD8\xFF",
  41                                 'jpeg',
  42                                 'image/jpeg'
  43                         ],
  44                         'PNG' => [
  45                                 "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A",
  46                                 'png',
  47                                 'image/png'
  48                         ],
  49
  50                         'PNG extension but JPEG content' => [
  51                                 "\xFF\xD8\xFF",
  52                                 'png',
  53                                 'image/png'
  54                         ],
  55                         'JPEG extension but PNG content' => [
  56                                 "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A",
  57                                 'jpg',
  58                                 'image/jpeg'
  59                         ],
  60                         'PNG extension but SVG content' => [
  61                                 '<?xml version="1.0"?><svg></svg>',
  62                                 'png',
  63                                 'image/png'
  64                         ],
  65                         'SVG extension but PNG content' => [
  66                                 "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A",
  67                                 'svg',
  68                                 'image/svg+xml'
  69                         ],
  70
  71                         'SVG with all headers' => [
  72                                 '<?xml version="1.0"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" '
  73                                 . '"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg></svg>',
  74                                 'svg',
  75                                 'image/svg+xml'
  76                         ],
  77                         'SVG with XML header only' => [
  78                                 '<?xml version="1.0"?><svg></svg>',
  79                                 'svg',
  80                                 'image/svg+xml'
  81                         ],
  82                         'SVG with DOCTYPE only' => [
  83                                 '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" '
  84                                 . '"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg></svg>',
  85                                 'svg',
  86                                 'image/svg+xml'
  87                         ],
  88                         'SVG without any header' => [
  89                                 '<svg></svg>',
  90                                 'svg',
  91                                 'image/svg+xml'
  92                         ],
  93                 ];
  94         }
  95
  96         /**
  97          * @dataProvider provideMinifyCases
  98          * @covers CSSMin::minify
  99          */
 100         public function testMinify( $code, $expectedOutput ) {
 101                 $minified = CSSMin::minify( $code );
 102
 103                 $this->assertEquals(
 104                         $expectedOutput,
 105                         $minified,
 106                         'Minified output should be in the form expected.'
 107                 );
 108         }
 109
 110         public static function provideMinifyCases() {
 111                 return [
 112                         // Whitespace
 113                         [ "\r\t\f \v\n\r", "" ],
 114                         [ "foo, bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ],
 115
 116                         // Loose comments
 117                         [ "/* foo */", "" ],
 118                         [ "/*******\n foo\n *******/", "" ],
 119                         [ "/*!\n foo\n */", "" ],
 120
 121                         // Inline comments in various different places
 122                         [ "/* comment */foo, bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ],
 123                         [ "foo/* comment */, bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ],
 124                         [ "foo,/* comment */ bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ],
 125                         [ "foo, bar/* comment */ {\n\tprop: value;\n}", "foo,bar{prop:value}" ],
 126                         [ "foo, bar {\n\t/* comment */prop: value;\n}", "foo,bar{prop:value}" ],
 127                         [ "foo, bar {\n\tprop: /* comment */value;\n}", "foo,bar{prop:value}" ],
 128                         [ "foo, bar {\n\tprop: value /* comment */;\n}", "foo,bar{prop:value }" ],
 129                         [ "foo, bar {\n\tprop: value; /* comment */\n}", "foo,bar{prop:value; }" ],
 130
 131                         // Keep track of things that aren't as minified as much as they
 132                         // could be (T37493)
 133                         [ 'foo { prop: value ;}', 'foo{prop:value }' ],
 134                         [ 'foo { prop : value; }', 'foo{prop :value}' ],
 135                         [ 'foo { prop: value ; }', 'foo{prop:value }' ],
 136                         [ 'foo { font-family: "foo" , "bar"; }', 'foo{font-family:"foo" ,"bar"}' ],
 137                         [ "foo { src:\n\turl('foo') ,\n\turl('bar') ; }", "foo{src:url('foo') ,url('bar') }" ],
 138
 139                         // Interesting cases with string values
 140                         // - Double quotes, single quotes
 141                         [ 'foo { content: ""; }', 'foo{content:""}' ],
 142                         [ "foo { content: ''; }", "foo{content:''}" ],
 143                         [ 'foo { content: "\'"; }', 'foo{content:"\'"}' ],
 144                         [ "foo { content: '\"'; }", "foo{content:'\"'}" ],
 145                         // - Whitespace in string values
 146                         [ 'foo { content: " "; }', 'foo{content:" "}' ],
 147                 ];
 148         }
 149
 150         /**
 151          * This tests funky parameters to CSSMin::remap. testRemapRemapping tests
 152          * the basic functionality.
 153          *
 154          * @dataProvider provideRemapCases
 155          * @covers CSSMin::remap
 156          */
 157         public function testRemap( $message, $params, $expectedOutput ) {
 158                 $remapped = call_user_func_array( 'CSSMin::remap', $params );
 159
 160                 $messageAdd = " Case: $message";
 161                 $this->assertEquals(
 162                         $expectedOutput,
 163                         $remapped,
 164                         'CSSMin::remap should return the expected url form.' . $messageAdd
 165                 );
 166         }
 167
 168         public static function provideRemapCases() {
 169                 // Parameter signature:
 170                 // CSSMin::remap( $code, $local, $remote, $embedData = true )
 171                 return [
 172                         [
 173                                 'Simple case',
 174                                 [ 'foo { prop: url(bar.png); }', false, 'http://example.org', false ],
 175                                 'foo { prop: url(http://example.org/bar.png); }',
 176                         ],
 177                         [
 178                                 'Without trailing slash',
 179                                 [ 'foo { prop: url(../bar.png); }', false, 'http://example.org/quux', false ],
 180                                 'foo { prop: url(http://example.org/bar.png); }',
 181                         ],
 182                         [
 183                                 'With trailing slash on remote (T29052)',
 184                                 [ 'foo { prop: url(../bar.png); }', false, 'http://example.org/quux/', false ],
 185                                 'foo { prop: url(http://example.org/bar.png); }',
 186                         ],
 187                         [
 188                                 'Guard against stripping double slashes from query',
 189                                 [ 'foo { prop: url(bar.png?corge=//grault); }', false, 'http://example.org/quux/', false ],
 190                                 'foo { prop: url(http://example.org/quux/bar.png?corge=//grault); }',
 191                         ],
 192                         [
 193                                 'Expand absolute paths',
 194                                 [ 'foo { prop: url(/w/skin/images/bar.png); }', false, 'http://example.org/quux', false ],
 195                                 'foo { prop: url(http://doc.example.org/w/skin/images/bar.png); }',
 196                         ],
 197                 ];
 198         }
 199
 200         /**
 201          * This tests basic functionality of CSSMin::remap. testRemapRemapping tests funky parameters.
 202          *
 203          * @dataProvider provideRemapRemappingCases
 204          * @covers CSSMin::remap
 205          */
 206         public function testRemapRemapping( $message, $input, $expectedOutput ) {
 207                 $localPath = __DIR__ . '/../../data/cssmin';
 208                 $remotePath = 'http://localhost/w';
 209
 210                 $realOutput = CSSMin::remap( $input, $localPath, $remotePath );
 211                 $this->assertEquals( $expectedOutput, $realOutput, "CSSMin::remap: $message" );
 212         }
 213
 214         public static function provideIsRemoteUrl() {
 215                 return [
 216                         [ true, 'http://localhost/w/red.gif?123' ],
 217                         [ true, 'https://example.org/x.png' ],
 218                         [ true, '//example.org/x.y.z/image.png' ],
 219                         [ true, '//localhost/styles.css?query=yes' ],
 220                         [ true, 'data:image/gif;base64,R0lGODlhAQABAIAAAP8AADAAACwAAAAAAQABAAACAkQBADs=' ],
 221                         [ false, 'x.gif' ],
 222                         [ false, '/x.gif' ],
 223                         [ false, './x.gif' ],
 224                         [ false, '../x.gif' ],
 225                 ];
 226         }
 227
 228         /**
 229          * @dataProvider provideIsRemoteUrl
 230          * @cover CSSMin::isRemoteUrl
 231          */
 232         public function testIsRemoteUrl( $expect, $url ) {
 233                 $this->assertEquals( CSSMinTestable::isRemoteUrl( $url ), $expect );
 234         }
 235
 236         public static function provideIsLocalUrls() {
 237                 return [
 238                         [ false, 'x.gif' ],
 239                         [ true, '/x.gif' ],
 240                         [ false, './x.gif' ],
 241                         [ false, '../x.gif' ],
 242                 ];
 243         }
 244
 245         /**
 246          * @dataProvider provideIsLocalUrls
 247          * @cover CSSMin::isLocalUrl
 248          */
 249         public function testIsLocalUrl( $expect, $url ) {
 250                 $this->assertEquals( CSSMinTestable::isLocalUrl( $url ), $expect );
 251         }
 252
 253         public static function provideRemapRemappingCases() {
 254                 // red.gif and green.gif are one-pixel 35-byte GIFs.
 255                 // large.png is a 35K PNG that should be non-embeddable.
 256                 // Full paths start with http://localhost/w/.
 257                 // Timestamps in output are replaced with 'timestamp'.
 258
 259                 // data: URIs for red.gif, green.gif, circle.svg
 260                 $red   = 'data:image/gif;base64,R0lGODlhAQABAIAAAP8AADAAACwAAAAAAQABAAACAkQBADs=';
 261                 $green = 'data:image/gif;base64,R0lGODlhAQABAIAAAACAADAAACwAAAAAAQABAAACAkQBADs=';
 262                 $svg = 'data:image/svg+xml,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%3F%3E%0A'
 263                         . '%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%228%22%20height%3D'
 264                         . '%228%22%3E%0A%3Ccircle%20cx%3D%224%22%20cy%3D%224%22%20r%3D%222%22%2F%3E%0A%3C%2Fsvg%3E%0A';
 265
 266                 // @codingStandardsIgnoreStart Generic.Files.LineLength
 267                 return [
 268                         [
 269                                 'Regular file',
 270                                 'foo { background: url(red.gif); }',
 271                                 'foo { background: url(http://localhost/w/red.gif?34ac6); }',
 272                         ],
 273                         [
 274                                 'Regular file (missing)',
 275                                 'foo { background: url(theColorOfHerHair.gif); }',
 276                                 'foo { background: url(http://localhost/w/theColorOfHerHair.gif); }',
 277                         ],
 278                         [
 279                                 'Remote URL',
 280                                 'foo { background: url(http://example.org/w/foo.png); }',
 281                                 'foo { background: url(http://example.org/w/foo.png); }',
 282                         ],
 283                         [
 284                                 'Protocol-relative remote URL',
 285                                 'foo { background: url(//example.org/w/foo.png); }',
 286                                 'foo { background: url(//example.org/w/foo.png); }',
 287                         ],
 288                         [
 289                                 'Remote URL with query',
 290                                 'foo { background: url(http://example.org/w/foo.png?query=yes); }',
 291                                 'foo { background: url(http://example.org/w/foo.png?query=yes); }',
 292                         ],
 293                         [
 294                                 'Protocol-relative remote URL with query',
 295                                 'foo { background: url(//example.org/w/foo.png?query=yes); }',
 296                                 'foo { background: url(//example.org/w/foo.png?query=yes); }',
 297                         ],
 298                         [
 299                                 'Domain-relative URL',
 300                                 'foo { background: url(/static/foo.png); }',
 301                                 'foo { background: url(http://doc.example.org/static/foo.png); }',
 302                         ],
 303                         [
 304                                 'Domain-relative URL with query',
 305                                 'foo { background: url(/static/foo.png?query=yes); }',
 306                                 'foo { background: url(http://doc.example.org/static/foo.png?query=yes); }',
 307                         ],
 308                         [
 309                                 'Remote URL (unnecessary quotes not preserved)',
 310                                 'foo { background: url("http://example.org/w/foo.png"); }',
 311                                 'foo { background: url(http://example.org/w/foo.png); }',
 312                         ],
 313                         [
 314                                 'Embedded file',
 315                                 'foo { /* @embed */ background: url(red.gif); }',
 316                                 "foo { background: url($red); background: url(http://localhost/w/red.gif?34ac6)!ie; }",
 317                         ],
 318                         [
 319                                 'Embedded file, other comments before the rule',
 320                                 "foo { /* Bar. */ /* @embed */ background: url(red.gif); }",
 321                                 "foo { /* Bar. */ background: url($red); /* Bar. */ background: url(http://localhost/w/red.gif?34ac6)!ie; }",
 322                         ],
 323                         [
 324                                 'Can not re-embed data: URIs',
 325                                 "foo { /* @embed */ background: url($red); }",
 326                                 "foo { background: url($red); }",
 327                         ],
 328                         [
 329                                 'Can not remap data: URIs',
 330                                 "foo { background: url($red); }",
 331                                 "foo { background: url($red); }",
 332                         ],
 333                         [
 334                                 'Can not embed remote URLs',
 335                                 'foo { /* @embed */ background: url(http://example.org/w/foo.png); }',
 336                                 'foo { background: url(http://example.org/w/foo.png); }',
 337                         ],
 338                         [
 339                                 'Embedded file (inline @embed)',
 340                                 'foo { background: /* @embed */ url(red.gif); }',
 341                                 "foo { background: url($red); "
 342                                         . "background: url(http://localhost/w/red.gif?34ac6)!ie; }",
 343                         ],
 344                         [
 345                                 'Can not embed large files',
 346                                 'foo { /* @embed */ background: url(large.png); }',
 347                                 "foo { background: url(http://localhost/w/large.png?e3d1f); }",
 348                         ],
 349                         [
 350                                 'SVG files are embedded without base64 encoding and unnecessary IE 6 and 7 fallback',
 351                                 'foo { /* @embed */ background: url(circle.svg); }',
 352                                 "foo { background: url($svg); }",
 353                         ],
 354                         [
 355                                 'Two regular files in one rule',
 356                                 'foo { background: url(red.gif), url(green.gif); }',
 357                                 'foo { background: url(http://localhost/w/red.gif?34ac6), '
 358                                         . 'url(http://localhost/w/green.gif?13651); }',
 359                         ],
 360                         [
 361                                 'Two embedded files in one rule',
 362                                 'foo { /* @embed */ background: url(red.gif), url(green.gif); }',
 363                                 "foo { background: url($red), url($green); "
 364                                         . "background: url(http://localhost/w/red.gif?34ac6), "
 365                                         . "url(http://localhost/w/green.gif?13651)!ie; }",
 366                         ],
 367                         [
 368                                 'Two embedded files in one rule (inline @embed)',
 369                                 'foo { background: /* @embed */ url(red.gif), /* @embed */ url(green.gif); }',
 370                                 "foo { background: url($red), url($green); "
 371                                         . "background: url(http://localhost/w/red.gif?34ac6), "
 372                                         . "url(http://localhost/w/green.gif?13651)!ie; }",
 373                         ],
 374                         [
 375                                 'Two embedded files in one rule (inline @embed), one too large',
 376                                 'foo { background: /* @embed */ url(red.gif), /* @embed */ url(large.png); }',
 377                                 "foo { background: url($red), url(http://localhost/w/large.png?e3d1f); "
 378                                         . "background: url(http://localhost/w/red.gif?34ac6), "
 379                                         . "url(http://localhost/w/large.png?e3d1f)!ie; }",
 380                         ],
 381                         [
 382                                 'Practical example with some noise',
 383                                 'foo { /* @embed */ background: #f9f9f9 url(red.gif) 0 0 no-repeat; }',
 384                                 "foo { background: #f9f9f9 url($red) 0 0 no-repeat; "
 385                                         . "background: #f9f9f9 url(http://localhost/w/red.gif?34ac6) 0 0 no-repeat!ie; }",
 386                         ],
 387                         [
 388                                 'Does not mess with other properties',
 389                                 'foo { color: red; background: url(red.gif); font-size: small; }',
 390                                 'foo { color: red; background: url(http://localhost/w/red.gif?34ac6); font-size: small; }',
 391                         ],
 392                         [
 393                                 'Spacing and miscellanea not changed (1)',
 394                                 'foo {   background:    url(red.gif);  }',
 395                                 'foo {   background:    url(http://localhost/w/red.gif?34ac6);  }',
 396                         ],
 397                         [
 398                                 'Spacing and miscellanea not changed (2)',
 399                                 'foo {background:url(red.gif)}',
 400                                 'foo {background:url(http://localhost/w/red.gif?34ac6)}',
 401                         ],
 402                         [
 403                                 'Spaces within url() parentheses are ignored',
 404                                 'foo { background: url( red.gif ); }',
 405                                 'foo { background: url(http://localhost/w/red.gif?34ac6); }',
 406                         ],
 407                         [
 408                                 '@import rule to local file (should we remap this?)',
 409                                 '@import url(/styles.css)',
 410                                 '@import url(http://doc.example.org/styles.css)',
 411                         ],
 412                         [
 413                                 '@import rule to URL (should we remap this?)',
 414                                 '@import url(//localhost/styles.css?query=yes)',
 415                                 '@import url(//localhost/styles.css?query=yes)',
 416                         ],
 417                         [
 418                                 'Simple case with comments before url',
 419                                 'foo { prop: /* some {funny;} comment */ url(bar.png); }',
 420                                 'foo { prop: /* some {funny;} comment */ url(http://localhost/w/bar.png); }',
 421                         ],
 422                         [
 423                                 'Simple case with comments after url',
 424                                 'foo { prop: url(red.gif)/* some {funny;} comment */ ; }',
 425                                 'foo { prop: url(http://localhost/w/red.gif?34ac6)/* some {funny;} comment */ ; }',
 426                         ],
 427                         [
 428                                 'Embedded file with comment before url',
 429                                 'foo { /* @embed */ background: /* some {funny;} comment */ url(red.gif); }',
 430                                 "foo { background: /* some {funny;} comment */ url($red); background: /* some {funny;} comment */ url(http://localhost/w/red.gif?34ac6)!ie; }",
 431                         ],
 432                         [
 433                                 'Embedded file with comments inside and outside the rule',
 434                                 'foo { /* @embed */ background: url(red.gif) /* some {foo;} comment */; /* some {bar;} comment */ }',
 435                                 "foo { background: url($red) /* some {foo;} comment */; background: url(http://localhost/w/red.gif?34ac6) /* some {foo;} comment */!ie; /* some {bar;} comment */ }",
 436                         ],
 437                         [
 438                                 'Embedded file with comment outside the rule',
 439                                 'foo { /* @embed */ background: url(red.gif); /* some {funny;} comment */ }',
 440                                 "foo { background: url($red); background: url(http://localhost/w/red.gif?34ac6)!ie; /* some {funny;} comment */ }",
 441                         ],
 442                         [
 443                                 'Rule with two urls, each with comments',
 444                                 '{ background: /*asd*/ url(something.png); background: /*jkl*/ url(something.png); }',
 445                                 '{ background: /*asd*/ url(http://localhost/w/something.png); background: /*jkl*/ url(http://localhost/w/something.png); }',
 446                         ],
 447                         [
 448                                 'Sanity check for offending line from jquery.ui.theme.css (T62077)',
 449                                 '.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}*/; }',
 450                                 '.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}*/; }',
 451                         ],
 452                 ];
 453                 // @codingStandardsIgnoreEnd
 454         }
 455
 456         /**
 457          * This tests basic functionality of CSSMin::buildUrlValue.
 458          *
 459          * @dataProvider provideBuildUrlValueCases
 460          * @covers CSSMin::buildUrlValue
 461          */
 462         public function testBuildUrlValue( $message, $input, $expectedOutput ) {
 463                 $this->assertEquals(
 464                         $expectedOutput,
 465                         CSSMin::buildUrlValue( $input ),
 466                         "CSSMin::buildUrlValue: $message"
 467                 );
 468         }
 469
 470         public static function provideBuildUrlValueCases() {
 471                 return [
 472                         [
 473                                 'Full URL',
 474                                 'scheme://user@domain:port/~user/fi%20le.png?query=yes&really=y+s',
 475                                 'url(scheme://user@domain:port/~user/fi%20le.png?query=yes&really=y+s)',
 476                         ],
 477                         [
 478                                 'data: URI',
 479                                 'data:image/png;base64,R0lGODlh/+==',
 480                                 'url(data:image/png;base64,R0lGODlh/+==)',
 481                         ],
 482                         [
 483                                 'URL with quotes',
 484                                 "https://en.wikipedia.org/wiki/Wendy's",
 485                                 "url(\"https://en.wikipedia.org/wiki/Wendy's\")",
 486                         ],
 487                         [
 488                                 'URL with parentheses',
 489                                 'https://en.wikipedia.org/wiki/Boston_(band)',
 490                                 'url("https://en.wikipedia.org/wiki/Boston_(band)")',
 491                         ],
 492                 ];
 493         }
 494
 495         /**
 496          * Seperated because they are currently broken (T37492)
 497          *
 498          * @group Broken
 499          * @dataProvider provideStringCases
 500          * @covers CSSMin::remap
 501          */
 502         public function testMinifyWithCSSStringValues( $code, $expectedOutput ) {
 503                 $this->testMinifyOutput( $code, $expectedOutput );
 504         }
 505
 506         public static function provideStringCases() {
 507                 return [
 508                         // String values should be respected
 509                         // - More than one space in a string value
 510                         [ 'foo { content: "  "; }', 'foo{content:"  "}' ],
 511                         // - Using a tab in a string value (turns into a space)
 512                         [ "foo { content: '\t'; }", "foo{content:'\t'}" ],
 513                         // - Using css-like syntax in string values
 514                         [
 515                                 'foo::after { content: "{;}"; position: absolute; }',
 516                                 'foo::after{content:"{;}";position:absolute}'
 517                         ],
 518                 ];
 519         }
 520 }
 521
 522 class CSSMinTestable extends CSSMin {
 523         // Make some protected methods public
 524         public static function isRemoteUrl( $maybeUrl ) {
 525                 return parent::isRemoteUrl( $maybeUrl );
 526         }
 527         public static function isLocalUrl( $maybeUrl ) {
 528                 return parent::isLocalUrl( $maybeUrl );
 529         }
 530 }