tests/phpunit/includes/SanitizerTest.php

   1 <?php
   2
   3 /**
   4  * @todo Tests covering decodeCharReferences can be refactored into a single
   5  * method and dataprovider.
   6  *
   7  * @group Sanitizer
   8  */
   9 class SanitizerTest extends MediaWikiTestCase {
  10
  11         protected function tearDown() {
  12                 MWTidy::destroySingleton();
  13                 parent::tearDown();
  14         }
  15
  16         /**
  17          * @covers Sanitizer::decodeCharReferences
  18          */
  19         public function testDecodeNamedEntities() {
  20                 $this->assertEquals(
  21                         "\xc3\xa9cole",
  22                         Sanitizer::decodeCharReferences( '&eacute;cole' ),
  23                         'decode named entities'
  24                 );
  25         }
  26
  27         /**
  28          * @covers Sanitizer::decodeCharReferences
  29          */
  30         public function testDecodeNumericEntities() {
  31                 $this->assertEquals(
  32                         "\xc4\x88io bonas dans l'\xc3\xa9cole!",
  33                         Sanitizer::decodeCharReferences( "&#x108;io bonas dans l'&#233;cole!" ),
  34                         'decode numeric entities'
  35                 );
  36         }
  37
  38         /**
  39          * @covers Sanitizer::decodeCharReferences
  40          */
  41         public function testDecodeMixedEntities() {
  42                 $this->assertEquals(
  43                         "\xc4\x88io bonas dans l'\xc3\xa9cole!",
  44                         Sanitizer::decodeCharReferences( "&#x108;io bonas dans l'&eacute;cole!" ),
  45                         'decode mixed numeric/named entities'
  46                 );
  47         }
  48
  49         /**
  50          * @covers Sanitizer::decodeCharReferences
  51          */
  52         public function testDecodeMixedComplexEntities() {
  53                 $this->assertEquals(
  54                         "\xc4\x88io bonas dans l'\xc3\xa9cole! (mais pas &#x108;io dans l'&eacute;cole)",
  55                         Sanitizer::decodeCharReferences(
  56                                 "&#x108;io bonas dans l'&eacute;cole! (mais pas &amp;#x108;io dans l'&#38;eacute;cole)"
  57                         ),
  58                         'decode mixed complex entities'
  59                 );
  60         }
  61
  62         /**
  63          * @covers Sanitizer::decodeCharReferences
  64          */
  65         public function testInvalidAmpersand() {
  66                 $this->assertEquals(
  67                         'a & b',
  68                         Sanitizer::decodeCharReferences( 'a & b' ),
  69                         'Invalid ampersand'
  70                 );
  71         }
  72
  73         /**
  74          * @covers Sanitizer::decodeCharReferences
  75          */
  76         public function testInvalidEntities() {
  77                 $this->assertEquals(
  78                         '&foo;',
  79                         Sanitizer::decodeCharReferences( '&foo;' ),
  80                         'Invalid named entity'
  81                 );
  82         }
  83
  84         /**
  85          * @covers Sanitizer::decodeCharReferences
  86          */
  87         public function testInvalidNumberedEntities() {
  88                 $this->assertEquals(
  89                         UtfNormal\Constants::UTF8_REPLACEMENT,
  90                         Sanitizer::decodeCharReferences( "&#88888888888888;" ),
  91                         'Invalid numbered entity'
  92                 );
  93         }
  94
  95         /**
  96          * @covers Sanitizer::removeHTMLtags
  97          * @dataProvider provideHtml5Tags
  98          *
  99          * @param string $tag Name of an HTML5 element (ie: 'video')
 100          * @param bool $escaped Whether sanitizer let the tag in or escape it (ie: '&lt;video&gt;')
 101          */
 102         public function testRemovehtmltagsOnHtml5Tags( $tag, $escaped ) {
 103                 MWTidy::setInstance( false );
 104
 105                 if ( $escaped ) {
 106                         $this->assertEquals( "&lt;$tag&gt;",
 107                                 Sanitizer::removeHTMLtags( "<$tag>" )
 108                         );
 109                 } else {
 110                         $this->assertEquals( "<$tag></$tag>\n",
 111                                 Sanitizer::removeHTMLtags( "<$tag>" )
 112                         );
 113                 }
 114         }
 115
 116         /**
 117          * Provide HTML5 tags
 118          */
 119         public static function provideHtml5Tags() {
 120                 $ESCAPED = true; # We want tag to be escaped
 121                 $VERBATIM = false; # We want to keep the tag
 122                 return [
 123                         [ 'data', $VERBATIM ],
 124                         [ 'mark', $VERBATIM ],
 125                         [ 'time', $VERBATIM ],
 126                         [ 'video', $ESCAPED ],
 127                 ];
 128         }
 129
 130         function dataRemoveHTMLtags() {
 131                 return [
 132                         // former testSelfClosingTag
 133                         [
 134                                 '<div>Hello world</div />',
 135                                 '<div>Hello world</div>',
 136                                 'Self-closing closing div'
 137                         ],
 138                         // Make sure special nested HTML5 semantics are not broken
 139                         // https://html.spec.whatwg.org/multipage/semantics.html#the-kbd-element
 140                         [
 141                                 '<kbd><kbd>Shift</kbd>+<kbd>F3</kbd></kbd>',
 142                                 '<kbd><kbd>Shift</kbd>+<kbd>F3</kbd></kbd>',
 143                                 'Nested <kbd>.'
 144                         ],
 145                         // https://html.spec.whatwg.org/multipage/semantics.html#the-sub-and-sup-elements
 146                         [
 147                                 '<var>x<sub><var>i</var></sub></var>, <var>y<sub><var>i</var></sub></var>',
 148                                 '<var>x<sub><var>i</var></sub></var>, <var>y<sub><var>i</var></sub></var>',
 149                                 'Nested <var>.'
 150                         ],
 151                         // https://html.spec.whatwg.org/multipage/semantics.html#the-dfn-element
 152                         [
 153                                 '<dfn><abbr title="Garage Door Opener">GDO</abbr></dfn>',
 154                                 '<dfn><abbr title="Garage Door Opener">GDO</abbr></dfn>',
 155                                 '<abbr> inside <dfn>',
 156                         ],
 157                 ];
 158         }
 159
 160         /**
 161          * @dataProvider dataRemoveHTMLtags
 162          * @covers Sanitizer::removeHTMLtags
 163          */
 164         public function testRemoveHTMLtags( $input, $output, $msg = null ) {
 165                 MWTidy::setInstance( false );
 166                 $this->assertEquals( $output, Sanitizer::removeHTMLtags( $input ), $msg );
 167         }
 168
 169         /**
 170          * @dataProvider provideTagAttributesToDecode
 171          * @covers Sanitizer::decodeTagAttributes
 172          */
 173         public function testDecodeTagAttributes( $expected, $attributes, $message = '' ) {
 174                 $this->assertEquals( $expected,
 175                         Sanitizer::decodeTagAttributes( $attributes ),
 176                         $message
 177                 );
 178         }
 179
 180         public static function provideTagAttributesToDecode() {
 181                 return [
 182                         [ [ 'foo' => 'bar' ], 'foo=bar', 'Unquoted attribute' ],
 183                         [ [ 'עברית' => 'bar' ], 'עברית=bar', 'Non-Latin attribute' ],
 184                         [ [ '६' => 'bar' ], '६=bar', 'Devanagari number' ],
 185                         [ [ '搭𨋢' => 'bar' ], '搭𨋢=bar', 'Non-BMP character' ],
 186                         [ [], 'ńgh=bar', 'Combining accent is not allowed' ],
 187                         [ [ 'foo' => 'bar' ], '    foo   =   bar    ', 'Spaced attribute' ],
 188                         [ [ 'foo' => 'bar' ], 'foo="bar"', 'Double-quoted attribute' ],
 189                         [ [ 'foo' => 'bar' ], 'foo=\'bar\'', 'Single-quoted attribute' ],
 190                         [
 191                                 [ 'foo' => 'bar', 'baz' => 'foo' ],
 192                                 'foo=\'bar\'   baz="foo"',
 193                                 'Several attributes'
 194                         ],
 195                         [
 196                                 [ 'foo' => 'bar', 'baz' => 'foo' ],
 197                                 'foo=\'bar\'   baz="foo"',
 198                                 'Several attributes'
 199                         ],
 200                         [
 201                                 [ 'foo' => 'bar', 'baz' => 'foo' ],
 202                                 'foo=\'bar\'   baz="foo"',
 203                                 'Several attributes'
 204                         ],
 205                         [ [ ':foo' => 'bar' ], ':foo=\'bar\'', 'Leading :' ],
 206                         [ [ '_foo' => 'bar' ], '_foo=\'bar\'', 'Leading _' ],
 207                         [ [ 'foo' => 'bar' ], 'Foo=\'bar\'', 'Leading capital' ],
 208                         [ [ 'foo' => 'BAR' ], 'FOO=BAR', 'Attribute keys are normalized to lowercase' ],
 209
 210                         # Invalid beginning
 211                         [ [], '-foo=bar', 'Leading - is forbidden' ],
 212                         [ [], '.foo=bar', 'Leading . is forbidden' ],
 213                         [ [ 'foo-bar' => 'bar' ], 'foo-bar=bar', 'A - is allowed inside the attribute' ],
 214                         [ [ 'foo-' => 'bar' ], 'foo-=bar', 'A - is allowed inside the attribute' ],
 215                         [ [ 'foo.bar' => 'baz' ], 'foo.bar=baz', 'A . is allowed inside the attribute' ],
 216                         [ [ 'foo.' => 'baz' ], 'foo.=baz', 'A . is allowed as last character' ],
 217                         [ [ 'foo6' => 'baz' ], 'foo6=baz', 'Numbers are allowed' ],
 218
 219                         # This bit is more relaxed than XML rules, but some extensions use
 220                         # it, like ProofreadPage (see T29539)
 221                         [ [ '1foo' => 'baz' ], '1foo=baz', 'Leading numbers are allowed' ],
 222                         [ [], 'foo$=baz', 'Symbols are not allowed' ],
 223                         [ [], 'foo@=baz', 'Symbols are not allowed' ],
 224                         [ [], 'foo~=baz', 'Symbols are not allowed' ],
 225                         [
 226                                 [ 'foo' => '1[#^`*%w/(' ],
 227                                 'foo=1[#^`*%w/(',
 228                                 'All kind of characters are allowed as values'
 229                         ],
 230                         [
 231                                 [ 'foo' => '1[#^`*%\'w/(' ],
 232                                 'foo="1[#^`*%\'w/("',
 233                                 'Double quotes are allowed if quoted by single quotes'
 234                         ],
 235                         [
 236                                 [ 'foo' => '1[#^`*%"w/(' ],
 237                                 'foo=\'1[#^`*%"w/(\'',
 238                                 'Single quotes are allowed if quoted by double quotes'
 239                         ],
 240                         [ [ 'foo' => '&"' ], 'foo=&amp;&quot;', 'Special chars can be provided as entities' ],
 241                         [ [ 'foo' => '&foobar;' ], 'foo=&foobar;', 'Entity-like items are accepted' ],
 242                 ];
 243         }
 244
 245         /**
 246          * @dataProvider provideDeprecatedAttributes
 247          * @covers Sanitizer::fixTagAttributes
 248          */
 249         public function testDeprecatedAttributesUnaltered( $inputAttr, $inputEl, $message = '' ) {
 250                 $this->assertEquals( " $inputAttr",
 251                         Sanitizer::fixTagAttributes( $inputAttr, $inputEl ),
 252                         $message
 253                 );
 254         }
 255
 256         public static function provideDeprecatedAttributes() {
 257                 /** [ <attribute>, <element>, [message] ] */
 258                 return [
 259                         [ 'clear="left"', 'br' ],
 260                         [ 'clear="all"', 'br' ],
 261                         [ 'width="100"', 'td' ],
 262                         [ 'nowrap="true"', 'td' ],
 263                         [ 'nowrap=""', 'td' ],
 264                         [ 'align="right"', 'td' ],
 265                         [ 'align="center"', 'table' ],
 266                         [ 'align="left"', 'tr' ],
 267                         [ 'align="center"', 'div' ],
 268                         [ 'align="left"', 'h1' ],
 269                         [ 'align="left"', 'p' ],
 270                 ];
 271         }
 272
 273         /**
 274          * @dataProvider provideCssCommentsFixtures
 275          * @covers Sanitizer::checkCss
 276          */
 277         public function testCssCommentsChecking( $expected, $css, $message = '' ) {
 278                 $this->assertEquals( $expected,
 279                         Sanitizer::checkCss( $css ),
 280                         $message
 281                 );
 282         }
 283
 284         public static function provideCssCommentsFixtures() {
 285                 /** [ <expected>, <css>, [message] ] */
 286                 return [
 287                         // Valid comments spanning entire input
 288                         [ '/**/', '/**/' ],
 289                         [ '/* comment */', '/* comment */' ],
 290                         // Weird stuff
 291                         [ ' ', '/****/' ],
 292                         [ ' ', '/* /* */' ],
 293                         [ 'display: block;', "display:/* foo */block;" ],
 294                         [ 'display: block;', "display:\\2f\\2a foo \\2a\\2f block;",
 295                                 'Backslash-escaped comments must be stripped (T30450)' ],
 296                         [ '', '/* unfinished comment structure',
 297                                 'Remove anything after a comment-start token' ],
 298                         [ '', "\\2f\\2a unifinished comment'",
 299                                 'Remove anything after a backslash-escaped comment-start token' ],
 300                         [
 301                                 '/* insecure input */',
 302                                 'filter: progid:DXImageTransform.Microsoft.AlphaImageLoader'
 303                                         . '(src=\'asdf.png\',sizingMethod=\'scale\');'
 304                         ],
 305                         [
 306                                 '/* insecure input */',
 307                                 '-ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader'
 308                                         . '(src=\'asdf.png\',sizingMethod=\'scale\')";'
 309                         ],
 310                         [ '/* insecure input */', 'width: expression(1+1);' ],
 311                         [ '/* insecure input */', 'background-image: image(asdf.png);' ],
 312                         [ '/* insecure input */', 'background-image: -webkit-image(asdf.png);' ],
 313                         [ '/* insecure input */', 'background-image: -moz-image(asdf.png);' ],
 314                         [ '/* insecure input */', 'background-image: image-set("asdf.png" 1x, "asdf.png" 2x);' ],
 315                         [
 316                                 '/* insecure input */',
 317                                 'background-image: -webkit-image-set("asdf.png" 1x, "asdf.png" 2x);'
 318                         ],
 319                         [
 320                                 '/* insecure input */',
 321                                 'background-image: -moz-image-set("asdf.png" 1x, "asdf.png" 2x);'
 322                         ],
 323                         [ '/* insecure input */', 'foo: attr( title, url );' ],
 324                         [ '/* insecure input */', 'foo: attr( title url );' ],
 325                         [ '/* insecure input */', 'foo: var(--evil-attribute)' ],
 326                 ];
 327         }
 328
 329         /**
 330          * @dataProvider provideEscapeHtmlAllowEntities
 331          * @covers Sanitizer::escapeHtmlAllowEntities
 332          */
 333         public function testEscapeHtmlAllowEntities( $expected, $html ) {
 334                 $this->assertEquals(
 335                         $expected,
 336                         Sanitizer::escapeHtmlAllowEntities( $html )
 337                 );
 338         }
 339
 340         public static function provideEscapeHtmlAllowEntities() {
 341                 return [
 342                         [ 'foo', 'foo' ],
 343                         [ 'a¡b', 'a&#161;b' ],
 344                         [ 'foo&#039;bar', "foo'bar" ],
 345                         [ '&lt;script&gt;foo&lt;/script&gt;', '<script>foo</script>' ],
 346                 ];
 347         }
 348
 349         /**
 350          * Test Sanitizer::escapeId
 351          *
 352          * @dataProvider provideEscapeId
 353          * @covers Sanitizer::escapeId
 354          */
 355         public function testEscapeId( $input, $output ) {
 356                 $this->assertEquals(
 357                         $output,
 358                         Sanitizer::escapeId( $input, [ 'noninitial', 'legacy' ] )
 359                 );
 360         }
 361
 362         public static function provideEscapeId() {
 363                 return [
 364                         [ '+', '.2B' ],
 365                         [ '&', '.26' ],
 366                         [ '=', '.3D' ],
 367                         [ ':', ':' ],
 368                         [ ';', '.3B' ],
 369                         [ '@', '.40' ],
 370                         [ '$', '.24' ],
 371                         [ '-_.', '-_.' ],
 372                         [ '!', '.21' ],
 373                         [ '*', '.2A' ],
 374                         [ '/', '.2F' ],
 375                         [ '[]', '.5B.5D' ],
 376                         [ '<>', '.3C.3E' ],
 377                         [ '\'', '.27' ],
 378                         [ '§', '.C2.A7' ],
 379                         [ 'Test:A & B/Here', 'Test:A_.26_B.2FHere' ],
 380                         [ 'A&B&amp;C&amp;amp;D&amp;amp;amp;E', 'A.26B.26amp.3BC.26amp.3Bamp.3BD.26amp.3Bamp.3Bamp.3BE' ],
 381                 ];
 382         }
 383
 384         /**
 385          * Test escapeIdReferenceList for consistency with escapeIdForAttribute
 386          *
 387          * @dataProvider provideEscapeIdReferenceList
 388          * @covers Sanitizer::escapeIdReferenceList
 389          */
 390         public function testEscapeIdReferenceList( $referenceList, $id1, $id2 ) {
 391                 $this->assertEquals(
 392                         Sanitizer::escapeIdReferenceList( $referenceList, 'noninitial' ),
 393                         Sanitizer::escapeIdForAttribute( $id1 )
 394                                 . ' '
 395                                 . Sanitizer::escapeIdForAttribute( $id2 )
 396                 );
 397         }
 398
 399         public static function provideEscapeIdReferenceList() {
 400                 /** [ <reference list>, <individual id 1>, <individual id 2> ] */
 401                 return [
 402                         [ 'foo bar', 'foo', 'bar' ],
 403                         [ '#1 #2', '#1', '#2' ],
 404                         [ '+1 +2', '+1', '+2' ],
 405                 ];
 406         }
 407
 408         /**
 409          * @dataProvider provideIsReservedDataAttribute
 410          */
 411         public function testIsReservedDataAttribute( $attr, $expected ) {
 412                 $this->assertSame( $expected, Sanitizer::isReservedDataAttribute( $attr ) );
 413         }
 414
 415         public static function provideIsReservedDataAttribute() {
 416                 return [
 417                         [ 'foo', false ],
 418                         [ 'data', false ],
 419                         [ 'data-foo', false ],
 420                         [ 'data-mw', true ],
 421                         [ 'data-ooui', true ],
 422                         [ 'data-parsoid', true ],
 423                         [ 'data-mw-foo', true ],
 424                         [ 'data-ooui-foo', true ],
 425                         [ 'data-mwfoo', true ], // could be false but this is how it's implemented currently
 426                 ];
 427         }
 428
 429         /**
 430          * @dataProvider provideEscapeIdForStuff
 431          *
 432          * @covers Sanitizer::escapeIdForAttribute()
 433          * @covers Sanitizer::escapeIdForLink()
 434          * @covers Sanitizer::escapeIdForExternalInterwiki()
 435          * @covers Sanitizer::escapeIdInternal()
 436          *
 437          * @param string $stuff
 438          * @param string[] $config
 439          * @param string $id
 440          * @param string|false $expected
 441          * @param int|null $mode
 442          */
 443         public function testEscapeIdForStuff( $stuff, array $config, $id, $expected, $mode = null ) {
 444                 $func = "Sanitizer::escapeIdFor{$stuff}";
 445                 $iwFlavor = array_pop( $config );
 446                 $this->setMwGlobals( [
 447                         'wgFragmentMode' => $config,
 448                         'wgExternalInterwikiFragmentMode' => $iwFlavor,
 449                 ] );
 450                 $escaped = call_user_func( $func, $id, $mode );
 451                 self::assertEquals( $expected, $escaped );
 452         }
 453
 454         public function provideEscapeIdForStuff() {
 455                 // Test inputs and outputs
 456                 $text = 'foo тест_#%!\'()[]:<>&&amp;&amp;amp;';
 457                 $legacyEncoded = 'foo_.D1.82.D0.B5.D1.81.D1.82_.23.25.21.27.28.29.5B.5D:.3C.3E' .
 458                         '.26.26amp.3B.26amp.3Bamp.3B';
 459                 $html5Encoded = 'foo_тест_#%!\'()[]:<>&&amp;&amp;amp;';
 460                 $html5Experimental = 'foo_тест_!_()[]:<>_amp;_amp;amp;';
 461
 462                 // Settings: last element is $wgExternalInterwikiFragmentMode, the rest is $wgFragmentMode
 463                 $legacy = [ 'legacy', 'legacy' ];
 464                 $legacyNew = [ 'legacy', 'html5', 'legacy' ];
 465                 $newLegacy = [ 'html5', 'legacy', 'legacy' ];
 466                 $new = [ 'html5', 'legacy' ];
 467                 $allNew = [ 'html5', 'html5' ];
 468                 $experimentalLegacy = [ 'html5-legacy', 'legacy', 'legacy' ];
 469                 $newExperimental = [ 'html5', 'html5-legacy', 'legacy' ];
 470
 471                 return [
 472                         // Pure legacy: how MW worked before 2017
 473                         [ 'Attribute', $legacy, $text, $legacyEncoded, Sanitizer::ID_PRIMARY ],
 474                         [ 'Attribute', $legacy, $text, false, Sanitizer::ID_FALLBACK ],
 475                         [ 'Link', $legacy, $text, $legacyEncoded ],
 476                         [ 'ExternalInterwiki', $legacy, $text, $legacyEncoded ],
 477
 478                         // Transition to a new world: legacy links with HTML5 fallback
 479                         [ 'Attribute', $legacyNew, $text, $legacyEncoded, Sanitizer::ID_PRIMARY ],
 480                         [ 'Attribute', $legacyNew, $text, $html5Encoded, Sanitizer::ID_FALLBACK ],
 481                         [ 'Link', $legacyNew, $text, $legacyEncoded ],
 482                         [ 'ExternalInterwiki', $legacyNew, $text, $legacyEncoded ],
 483
 484                         // New world: HTML5 links, legacy fallbacks
 485                         [ 'Attribute', $newLegacy, $text, $html5Encoded, Sanitizer::ID_PRIMARY ],
 486                         [ 'Attribute', $newLegacy, $text, $legacyEncoded, Sanitizer::ID_FALLBACK ],
 487                         [ 'Link', $newLegacy, $text, $html5Encoded ],
 488                         [ 'ExternalInterwiki', $newLegacy, $text, $legacyEncoded ],
 489
 490                         // Distant future: no legacy fallbacks, but still linking to leagacy wikis
 491                         [ 'Attribute', $new, $text, $html5Encoded, Sanitizer::ID_PRIMARY ],
 492                         [ 'Attribute', $new, $text, false, Sanitizer::ID_FALLBACK ],
 493                         [ 'Link', $new, $text, $html5Encoded ],
 494                         [ 'ExternalInterwiki', $new, $text, $legacyEncoded ],
 495
 496                         // Just before the heat death of universe: external interwikis are also HTML5 \m/
 497                         [ 'Attribute', $allNew, $text, $html5Encoded, Sanitizer::ID_PRIMARY ],
 498                         [ 'Attribute', $allNew, $text, false, Sanitizer::ID_FALLBACK ],
 499                         [ 'Link', $allNew, $text, $html5Encoded ],
 500                         [ 'ExternalInterwiki', $allNew, $text, $html5Encoded ],
 501
 502                         // Someone flipped $wgExperimentalHtmlIds on
 503                         [ 'Attribute', $experimentalLegacy, $text, $html5Experimental, Sanitizer::ID_PRIMARY ],
 504                         [ 'Attribute', $experimentalLegacy, $text, $legacyEncoded, Sanitizer::ID_FALLBACK ],
 505                         [ 'Link', $experimentalLegacy, $text, $html5Experimental ],
 506                         [ 'ExternalInterwiki', $experimentalLegacy, $text, $legacyEncoded ],
 507
 508                         // Migration from $wgExperimentalHtmlIds to modern HTML5
 509                         [ 'Attribute', $newExperimental, $text, $html5Encoded, Sanitizer::ID_PRIMARY ],
 510                         [ 'Attribute', $newExperimental, $text, $html5Experimental, Sanitizer::ID_FALLBACK ],
 511                         [ 'Link', $newExperimental, $text, $html5Encoded ],
 512                         [ 'ExternalInterwiki', $newExperimental, $text, $legacyEncoded ],
 513                 ];
 514         }
 515
 516         /**
 517          * @expectedException InvalidArgumentException
 518          * @covers Sanitizer::escapeIdInternal()
 519          */
 520         public function testInvalidFragmentThrows() {
 521                 $this->setMwGlobals( 'wgFragmentMode', [ 'boom!' ] );
 522                 Sanitizer::escapeIdForAttribute( 'This should throw' );
 523         }
 524
 525         /**
 526          * @expectedException UnexpectedValueException
 527          * @covers Sanitizer::escapeIdForAttribute()
 528          */
 529         public function testNoPrimaryFragmentModeThrows() {
 530                 $this->setMwGlobals( 'wgFragmentMode', [ 666 => 'html5' ] );
 531                 Sanitizer::escapeIdForAttribute( 'This should throw' );
 532         }
 533
 534         /**
 535          * @expectedException UnexpectedValueException
 536          * @covers Sanitizer::escapeIdForLink()
 537          */
 538         public function testNoPrimaryFragmentModeThrows2() {
 539                 $this->setMwGlobals( 'wgFragmentMode', [ 666 => 'html5' ] );
 540                 Sanitizer::escapeIdForLink( 'This should throw' );
 541         }
 542 }