tests/phpunit/includes/parser/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                 $this->hideDeprecated( 'disabling tidy' );
 104                 MWTidy::setInstance( false );
 105
 106                 if ( $escaped ) {
 107                         $this->assertEquals( "&lt;$tag&gt;",
 108                                 Sanitizer::removeHTMLtags( "<$tag>" )
 109                         );
 110                 } else {
 111                         $this->assertEquals( "<$tag></$tag>\n",
 112                                 Sanitizer::removeHTMLtags( "<$tag>" )
 113                         );
 114                 }
 115         }
 116
 117         /**
 118          * Provide HTML5 tags
 119          */
 120         public static function provideHtml5Tags() {
 121                 $ESCAPED = true; # We want tag to be escaped
 122                 $VERBATIM = false; # We want to keep the tag
 123                 return [
 124                         [ 'data', $VERBATIM ],
 125                         [ 'mark', $VERBATIM ],
 126                         [ 'time', $VERBATIM ],
 127                         [ 'video', $ESCAPED ],
 128                 ];
 129         }
 130
 131         function dataRemoveHTMLtags() {
 132                 return [
 133                         // former testSelfClosingTag
 134                         [
 135                                 '<div>Hello world</div />',
 136                                 '<div>Hello world</div>',
 137                                 'Self-closing closing div'
 138                         ],
 139                         // Make sure special nested HTML5 semantics are not broken
 140                         // https://html.spec.whatwg.org/multipage/semantics.html#the-kbd-element
 141                         [
 142                                 '<kbd><kbd>Shift</kbd>+<kbd>F3</kbd></kbd>',
 143                                 '<kbd><kbd>Shift</kbd>+<kbd>F3</kbd></kbd>',
 144                                 'Nested <kbd>.'
 145                         ],
 146                         // https://html.spec.whatwg.org/multipage/semantics.html#the-sub-and-sup-elements
 147                         [
 148                                 '<var>x<sub><var>i</var></sub></var>, <var>y<sub><var>i</var></sub></var>',
 149                                 '<var>x<sub><var>i</var></sub></var>, <var>y<sub><var>i</var></sub></var>',
 150                                 'Nested <var>.'
 151                         ],
 152                         // https://html.spec.whatwg.org/multipage/semantics.html#the-dfn-element
 153                         [
 154                                 '<dfn><abbr title="Garage Door Opener">GDO</abbr></dfn>',
 155                                 '<dfn><abbr title="Garage Door Opener">GDO</abbr></dfn>',
 156                                 '<abbr> inside <dfn>',
 157                         ],
 158                 ];
 159         }
 160
 161         /**
 162          * @dataProvider dataRemoveHTMLtags
 163          * @covers Sanitizer::removeHTMLtags
 164          */
 165         public function testRemoveHTMLtags( $input, $output, $msg = null ) {
 166                 $this->hideDeprecated( 'disabling tidy' );
 167                 MWTidy::setInstance( false );
 168                 $this->assertEquals( $output, Sanitizer::removeHTMLtags( $input ), $msg );
 169         }
 170
 171         /**
 172          * @dataProvider provideTagAttributesToDecode
 173          * @covers Sanitizer::decodeTagAttributes
 174          */
 175         public function testDecodeTagAttributes( $expected, $attributes, $message = '' ) {
 176                 $this->assertEquals( $expected,
 177                         Sanitizer::decodeTagAttributes( $attributes ),
 178                         $message
 179                 );
 180         }
 181
 182         public static function provideTagAttributesToDecode() {
 183                 return [
 184                         [ [ 'foo' => 'bar' ], 'foo=bar', 'Unquoted attribute' ],
 185                         [ [ 'עברית' => 'bar' ], 'עברית=bar', 'Non-Latin attribute' ],
 186                         [ [ '६' => 'bar' ], '६=bar', 'Devanagari number' ],
 187                         [ [ '搭𨋢' => 'bar' ], '搭𨋢=bar', 'Non-BMP character' ],
 188                         [ [], 'ńgh=bar', 'Combining accent is not allowed' ],
 189                         [ [ 'foo' => 'bar' ], '    foo   =   bar    ', 'Spaced attribute' ],
 190                         [ [ 'foo' => 'bar' ], 'foo="bar"', 'Double-quoted attribute' ],
 191                         [ [ 'foo' => 'bar' ], 'foo=\'bar\'', 'Single-quoted attribute' ],
 192                         [
 193                                 [ 'foo' => 'bar', 'baz' => 'foo' ],
 194                                 'foo=\'bar\'   baz="foo"',
 195                                 'Several attributes'
 196                         ],
 197                         [
 198                                 [ 'foo' => 'bar', 'baz' => 'foo' ],
 199                                 'foo=\'bar\'   baz="foo"',
 200                                 'Several attributes'
 201                         ],
 202                         [
 203                                 [ 'foo' => 'bar', 'baz' => 'foo' ],
 204                                 'foo=\'bar\'   baz="foo"',
 205                                 'Several attributes'
 206                         ],
 207                         [ [ ':foo' => 'bar' ], ':foo=\'bar\'', 'Leading :' ],
 208                         [ [ '_foo' => 'bar' ], '_foo=\'bar\'', 'Leading _' ],
 209                         [ [ 'foo' => 'bar' ], 'Foo=\'bar\'', 'Leading capital' ],
 210                         [ [ 'foo' => 'BAR' ], 'FOO=BAR', 'Attribute keys are normalized to lowercase' ],
 211
 212                         # Invalid beginning
 213                         [ [], '-foo=bar', 'Leading - is forbidden' ],
 214                         [ [], '.foo=bar', 'Leading . is forbidden' ],
 215                         [ [ 'foo-bar' => 'bar' ], 'foo-bar=bar', 'A - is allowed inside the attribute' ],
 216                         [ [ 'foo-' => 'bar' ], 'foo-=bar', 'A - is allowed inside the attribute' ],
 217                         [ [ 'foo.bar' => 'baz' ], 'foo.bar=baz', 'A . is allowed inside the attribute' ],
 218                         [ [ 'foo.' => 'baz' ], 'foo.=baz', 'A . is allowed as last character' ],
 219                         [ [ 'foo6' => 'baz' ], 'foo6=baz', 'Numbers are allowed' ],
 220
 221                         # This bit is more relaxed than XML rules, but some extensions use
 222                         # it, like ProofreadPage (see T29539)
 223                         [ [ '1foo' => 'baz' ], '1foo=baz', 'Leading numbers are allowed' ],
 224                         [ [], 'foo$=baz', 'Symbols are not allowed' ],
 225                         [ [], 'foo@=baz', 'Symbols are not allowed' ],
 226                         [ [], 'foo~=baz', 'Symbols are not allowed' ],
 227                         [
 228                                 [ 'foo' => '1[#^`*%w/(' ],
 229                                 'foo=1[#^`*%w/(',
 230                                 'All kind of characters are allowed as values'
 231                         ],
 232                         [
 233                                 [ 'foo' => '1[#^`*%\'w/(' ],
 234                                 'foo="1[#^`*%\'w/("',
 235                                 'Double quotes are allowed if quoted by single quotes'
 236                         ],
 237                         [
 238                                 [ 'foo' => '1[#^`*%"w/(' ],
 239                                 'foo=\'1[#^`*%"w/(\'',
 240                                 'Single quotes are allowed if quoted by double quotes'
 241                         ],
 242                         [ [ 'foo' => '&"' ], 'foo=&amp;&quot;', 'Special chars can be provided as entities' ],
 243                         [ [ 'foo' => '&foobar;' ], 'foo=&foobar;', 'Entity-like items are accepted' ],
 244                 ];
 245         }
 246
 247         /**
 248          * @dataProvider provideDeprecatedAttributes
 249          * @covers Sanitizer::fixTagAttributes
 250          */
 251         public function testDeprecatedAttributesUnaltered( $inputAttr, $inputEl, $message = '' ) {
 252                 $this->assertEquals( " $inputAttr",
 253                         Sanitizer::fixTagAttributes( $inputAttr, $inputEl ),
 254                         $message
 255                 );
 256         }
 257
 258         public static function provideDeprecatedAttributes() {
 259                 /** [ <attribute>, <element>, [message] ] */
 260                 return [
 261                         [ 'clear="left"', 'br' ],
 262                         [ 'clear="all"', 'br' ],
 263                         [ 'width="100"', 'td' ],
 264                         [ 'nowrap="true"', 'td' ],
 265                         [ 'nowrap=""', 'td' ],
 266                         [ 'align="right"', 'td' ],
 267                         [ 'align="center"', 'table' ],
 268                         [ 'align="left"', 'tr' ],
 269                         [ 'align="center"', 'div' ],
 270                         [ 'align="left"', 'h1' ],
 271                         [ 'align="left"', 'p' ],
 272                 ];
 273         }
 274
 275         /**
 276          * @dataProvider provideCssCommentsFixtures
 277          * @covers Sanitizer::checkCss
 278          */
 279         public function testCssCommentsChecking( $expected, $css, $message = '' ) {
 280                 $this->assertEquals( $expected,
 281                         Sanitizer::checkCss( $css ),
 282                         $message
 283                 );
 284         }
 285
 286         public static function provideCssCommentsFixtures() {
 287                 /** [ <expected>, <css>, [message] ] */
 288                 return [
 289                         // Valid comments spanning entire input
 290                         [ '/**/', '/**/' ],
 291                         [ '/* comment */', '/* comment */' ],
 292                         // Weird stuff
 293                         [ ' ', '/****/' ],
 294                         [ ' ', '/* /* */' ],
 295                         [ 'display: block;', "display:/* foo */block;" ],
 296                         [ 'display: block;', "display:\\2f\\2a foo \\2a\\2f block;",
 297                                 'Backslash-escaped comments must be stripped (T30450)' ],
 298                         [ '', '/* unfinished comment structure',
 299                                 'Remove anything after a comment-start token' ],
 300                         [ '', "\\2f\\2a unifinished comment'",
 301                                 'Remove anything after a backslash-escaped comment-start token' ],
 302                         [
 303                                 '/* insecure input */',
 304                                 'filter: progid:DXImageTransform.Microsoft.AlphaImageLoader'
 305                                         . '(src=\'asdf.png\',sizingMethod=\'scale\');'
 306                         ],
 307                         [
 308                                 '/* insecure input */',
 309                                 '-ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader'
 310                                         . '(src=\'asdf.png\',sizingMethod=\'scale\')";'
 311                         ],
 312                         [ '/* insecure input */', 'width: expression(1+1);' ],
 313                         [ '/* insecure input */', 'background-image: image(asdf.png);' ],
 314                         [ '/* insecure input */', 'background-image: -webkit-image(asdf.png);' ],
 315                         [ '/* insecure input */', 'background-image: -moz-image(asdf.png);' ],
 316                         [ '/* insecure input */', 'background-image: image-set("asdf.png" 1x, "asdf.png" 2x);' ],
 317                         [
 318                                 '/* insecure input */',
 319                                 'background-image: -webkit-image-set("asdf.png" 1x, "asdf.png" 2x);'
 320                         ],
 321                         [
 322                                 '/* insecure input */',
 323                                 'background-image: -moz-image-set("asdf.png" 1x, "asdf.png" 2x);'
 324                         ],
 325                         [ '/* insecure input */', 'foo: attr( title, url );' ],
 326                         [ '/* insecure input */', 'foo: attr( title url );' ],
 327                 ];
 328         }
 329
 330         /**
 331          * @dataProvider provideEscapeHtmlAllowEntities
 332          * @covers Sanitizer::escapeHtmlAllowEntities
 333          */
 334         public function testEscapeHtmlAllowEntities( $expected, $html ) {
 335                 $this->assertEquals(
 336                         $expected,
 337                         Sanitizer::escapeHtmlAllowEntities( $html )
 338                 );
 339         }
 340
 341         public static function provideEscapeHtmlAllowEntities() {
 342                 return [
 343                         [ 'foo', 'foo' ],
 344                         [ 'a¡b', 'a&#161;b' ],
 345                         [ 'foo&#039;bar', "foo'bar" ],
 346                         [ '&lt;script&gt;foo&lt;/script&gt;', '<script>foo</script>' ],
 347                 ];
 348         }
 349
 350         /**
 351          * Test Sanitizer::escapeId
 352          *
 353          * @dataProvider provideEscapeId
 354          * @covers Sanitizer::escapeId
 355          */
 356         public function testEscapeId( $input, $output ) {
 357                 $this->assertEquals(
 358                         $output,
 359                         Sanitizer::escapeId( $input, [ 'noninitial', 'legacy' ] )
 360                 );
 361         }
 362
 363         public static function provideEscapeId() {
 364                 return [
 365                         [ '+', '.2B' ],
 366                         [ '&', '.26' ],
 367                         [ '=', '.3D' ],
 368                         [ ':', ':' ],
 369                         [ ';', '.3B' ],
 370                         [ '@', '.40' ],
 371                         [ '$', '.24' ],
 372                         [ '-_.', '-_.' ],
 373                         [ '!', '.21' ],
 374                         [ '*', '.2A' ],
 375                         [ '/', '.2F' ],
 376                         [ '[]', '.5B.5D' ],
 377                         [ '<>', '.3C.3E' ],
 378                         [ '\'', '.27' ],
 379                         [ '§', '.C2.A7' ],
 380                         [ 'Test:A & B/Here', 'Test:A_.26_B.2FHere' ],
 381                         [ 'A&B&amp;C&amp;amp;D&amp;amp;amp;E', 'A.26B.26amp.3BC.26amp.3Bamp.3BD.26amp.3Bamp.3Bamp.3BE' ],
 382                 ];
 383         }
 384
 385         /**
 386          * Test escapeIdReferenceList for consistency with escapeIdForAttribute
 387          *
 388          * @dataProvider provideEscapeIdReferenceList
 389          * @covers Sanitizer::escapeIdReferenceList
 390          */
 391         public function testEscapeIdReferenceList( $referenceList, $id1, $id2 ) {
 392                 $this->assertEquals(
 393                         Sanitizer::escapeIdReferenceList( $referenceList ),
 394                         Sanitizer::escapeIdForAttribute( $id1 )
 395                                 . ' '
 396                                 . Sanitizer::escapeIdForAttribute( $id2 )
 397                 );
 398         }
 399
 400         public static function provideEscapeIdReferenceList() {
 401                 /** [ <reference list>, <individual id 1>, <individual id 2> ] */
 402                 return [
 403                         [ 'foo bar', 'foo', 'bar' ],
 404                         [ '#1 #2', '#1', '#2' ],
 405                         [ '+1 +2', '+1', '+2' ],
 406                 ];
 407         }
 408
 409         /**
 410          * @dataProvider provideIsReservedDataAttribute
 411          * @covers Sanitizer::isReservedDataAttribute
 412          */
 413         public function testIsReservedDataAttribute( $attr, $expected ) {
 414                 $this->assertSame( $expected, Sanitizer::isReservedDataAttribute( $attr ) );
 415         }
 416
 417         public static function provideIsReservedDataAttribute() {
 418                 return [
 419                         [ 'foo', false ],
 420                         [ 'data', false ],
 421                         [ 'data-foo', false ],
 422                         [ 'data-mw', true ],
 423                         [ 'data-ooui', true ],
 424                         [ 'data-parsoid', true ],
 425                         [ 'data-mw-foo', true ],
 426                         [ 'data-ooui-foo', true ],
 427                         [ 'data-mwfoo', true ], // could be false but this is how it's implemented currently
 428                 ];
 429         }
 430
 431         /**
 432          * @dataProvider provideEscapeIdForStuff
 433          *
 434          * @covers Sanitizer::escapeIdForAttribute()
 435          * @covers Sanitizer::escapeIdForLink()
 436          * @covers Sanitizer::escapeIdForExternalInterwiki()
 437          * @covers Sanitizer::escapeIdInternal()
 438          *
 439          * @param string $stuff
 440          * @param string[] $config
 441          * @param string $id
 442          * @param string|false $expected
 443          * @param int|null $mode
 444          */
 445         public function testEscapeIdForStuff( $stuff, array $config, $id, $expected, $mode = null ) {
 446                 $func = "Sanitizer::escapeIdFor{$stuff}";
 447                 $iwFlavor = array_pop( $config );
 448                 $this->setMwGlobals( [
 449                         'wgFragmentMode' => $config,
 450                         'wgExternalInterwikiFragmentMode' => $iwFlavor,
 451                 ] );
 452                 $escaped = call_user_func( $func, $id, $mode );
 453                 self::assertEquals( $expected, $escaped );
 454         }
 455
 456         public function provideEscapeIdForStuff() {
 457                 // Test inputs and outputs
 458                 $text = 'foo тест_#%!\'()[]:<>&&amp;&amp;amp;';
 459                 $legacyEncoded = 'foo_.D1.82.D0.B5.D1.81.D1.82_.23.25.21.27.28.29.5B.5D:.3C.3E' .
 460                         '.26.26amp.3B.26amp.3Bamp.3B';
 461                 $html5Encoded = 'foo_тест_#%!\'()[]:<>&&amp;&amp;amp;';
 462
 463                 // Settings: last element is $wgExternalInterwikiFragmentMode, the rest is $wgFragmentMode
 464                 $legacy = [ 'legacy', 'legacy' ];
 465                 $legacyNew = [ 'legacy', 'html5', 'legacy' ];
 466                 $newLegacy = [ 'html5', 'legacy', 'legacy' ];
 467                 $new = [ 'html5', 'legacy' ];
 468                 $allNew = [ 'html5', 'html5' ];
 469
 470                 return [
 471                         // Pure legacy: how MW worked before 2017
 472                         [ 'Attribute', $legacy, $text, $legacyEncoded, Sanitizer::ID_PRIMARY ],
 473                         [ 'Attribute', $legacy, $text, false, Sanitizer::ID_FALLBACK ],
 474                         [ 'Link', $legacy, $text, $legacyEncoded ],
 475                         [ 'ExternalInterwiki', $legacy, $text, $legacyEncoded ],
 476
 477                         // Transition to a new world: legacy links with HTML5 fallback
 478                         [ 'Attribute', $legacyNew, $text, $legacyEncoded, Sanitizer::ID_PRIMARY ],
 479                         [ 'Attribute', $legacyNew, $text, $html5Encoded, Sanitizer::ID_FALLBACK ],
 480                         [ 'Link', $legacyNew, $text, $legacyEncoded ],
 481                         [ 'ExternalInterwiki', $legacyNew, $text, $legacyEncoded ],
 482
 483                         // New world: HTML5 links, legacy fallbacks
 484                         [ 'Attribute', $newLegacy, $text, $html5Encoded, Sanitizer::ID_PRIMARY ],
 485                         [ 'Attribute', $newLegacy, $text, $legacyEncoded, Sanitizer::ID_FALLBACK ],
 486                         [ 'Link', $newLegacy, $text, $html5Encoded ],
 487                         [ 'ExternalInterwiki', $newLegacy, $text, $legacyEncoded ],
 488
 489                         // Distant future: no legacy fallbacks, but still linking to leagacy wikis
 490                         [ 'Attribute', $new, $text, $html5Encoded, Sanitizer::ID_PRIMARY ],
 491                         [ 'Attribute', $new, $text, false, Sanitizer::ID_FALLBACK ],
 492                         [ 'Link', $new, $text, $html5Encoded ],
 493                         [ 'ExternalInterwiki', $new, $text, $legacyEncoded ],
 494
 495                         // Just before the heat death of universe: external interwikis are also HTML5 \m/
 496                         [ 'Attribute', $allNew, $text, $html5Encoded, Sanitizer::ID_PRIMARY ],
 497                         [ 'Attribute', $allNew, $text, false, Sanitizer::ID_FALLBACK ],
 498                         [ 'Link', $allNew, $text, $html5Encoded ],
 499                         [ 'ExternalInterwiki', $allNew, $text, $html5Encoded ],
 500                 ];
 501         }
 502
 503         /**
 504          * @dataProvider provideStripAllTags
 505          *
 506          * @covers Sanitizer::stripAllTags()
 507          * @covers RemexStripTagHandler
 508          *
 509          * @param string $input
 510          * @param string $expected
 511          */
 512         public function testStripAllTags( $input, $expected ) {
 513                 $this->assertEquals( $expected, Sanitizer::stripAllTags( $input ) );
 514         }
 515
 516         public function provideStripAllTags() {
 517                 return [
 518                         [ '<p>Foo</p>', 'Foo' ],
 519                         [ '<p id="one">Foo</p><p id="two">Bar</p>', 'Foo Bar' ],
 520                         [ "<p>Foo</p>\n<p>Bar</p>", 'Foo Bar' ],
 521                         [ '<p>Hello &lt;strong&gt; wor&#x6c;&#100; caf&eacute;</p>', 'Hello <strong> world café' ],
 522                         [
 523                                 '<p><small data-foo=\'bar"&lt;baz>quux\'><a href="./Foo">Bar</a></small> Whee!</p>',
 524                                 'Bar Whee!'
 525                         ],
 526                         [ '1<span class="<?php">2</span>3', '123' ],
 527                         [ '1<span class="<?">2</span>3', '123' ],
 528                 ];
 529         }
 530
 531         /**
 532          * @expectedException InvalidArgumentException
 533          * @covers Sanitizer::escapeIdInternal()
 534          */
 535         public function testInvalidFragmentThrows() {
 536                 $this->setMwGlobals( 'wgFragmentMode', [ 'boom!' ] );
 537                 Sanitizer::escapeIdForAttribute( 'This should throw' );
 538         }
 539
 540         /**
 541          * @expectedException UnexpectedValueException
 542          * @covers Sanitizer::escapeIdForAttribute()
 543          */
 544         public function testNoPrimaryFragmentModeThrows() {
 545                 $this->setMwGlobals( 'wgFragmentMode', [ 666 => 'html5' ] );
 546                 Sanitizer::escapeIdForAttribute( 'This should throw' );
 547         }
 548
 549         /**
 550          * @expectedException UnexpectedValueException
 551          * @covers Sanitizer::escapeIdForLink()
 552          */
 553         public function testNoPrimaryFragmentModeThrows2() {
 554                 $this->setMwGlobals( 'wgFragmentMode', [ 666 => 'html5' ] );
 555                 Sanitizer::escapeIdForLink( 'This should throw' );
 556         }
 557 }