tests/phpunit/includes/parser/NewParserTest.php

   1 <?php
   2
   3 /**
   4  * Although marked as a stub, can work independently.
   5  *
   6  * @group Database
   7  * @group Parser
   8  * @group Stub
   9  */
  10 class NewParserTest extends MediaWikiTestCase {
  11         static protected $articles = array(); // Array of test articles defined by the tests
  12         /* The data provider is run on a different instance than the test, so it must be static
  13          * When running tests from several files, all tests will see all articles.
  14          */
  15         static protected $backendToUse;
  16
  17         public $keepUploads = false;
  18         public $runDisabled = false;
  19         public $runParsoid = false;
  20         public $regex = '';
  21         public $showProgress = true;
  22         public $savedWeirdGlobals = array();
  23         public $savedGlobals = array();
  24         public $hooks = array();
  25         public $functionHooks = array();
  26
  27         //Fuzz test
  28         public $maxFuzzTestLength = 300;
  29         public $fuzzSeed = 0;
  30         public $memoryLimit = 50;
  31
  32         protected $file = false;
  33
  34         protected function setUp() {
  35                 global $wgNamespaceAliases;
  36                 global $wgHooks, $IP;
  37
  38                 parent::setUp();
  39
  40                 //Setup CLI arguments
  41                 if ( $this->getCliArg( 'regex=' ) ) {
  42                         $this->regex = $this->getCliArg( 'regex=' );
  43                 } else {
  44                         # Matches anything
  45                         $this->regex = '';
  46                 }
  47
  48                 $this->keepUploads = $this->getCliArg( 'keep-uploads' );
  49
  50                 $tmpGlobals = array();
  51
  52                 $tmpGlobals['wgLanguageCode'] = 'en';
  53                 $tmpGlobals['wgContLang'] = Language::factory( 'en' );
  54                 $tmpGlobals['wgSitename'] = 'MediaWiki';
  55                 $tmpGlobals['wgServer'] = 'http://example.org';
  56                 $tmpGlobals['wgScript'] = '/index.php';
  57                 $tmpGlobals['wgScriptPath'] = '/';
  58                 $tmpGlobals['wgArticlePath'] = '/wiki/$1';
  59                 $tmpGlobals['wgActionPaths'] = array();
  60                 $tmpGlobals['wgVariantArticlePath'] = false;
  61                 $tmpGlobals['wgExtensionAssetsPath'] = '/extensions';
  62                 $tmpGlobals['wgStyleSheetPath'] = '/skins';
  63                 $tmpGlobals['wgStylePath'] = '/skins';
  64                 $tmpGlobals['wgEnableUploads'] = true;
  65                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  66                 $tmpGlobals['wgLocalFileRepo'] = array(
  67                         'class' => 'LocalRepo',
  68                         'name' => 'local',
  69                         'url' => 'http://example.com/images',
  70                         'hashLevels' => 2,
  71                         'transformVia404' => false,
  72                         'backend' => 'local-backend'
  73                 );
  74                 $tmpGlobals['wgForeignFileRepos'] = array();
  75                 $tmpGlobals['wgDefaultExternalStore'] = array();
  76                 $tmpGlobals['wgEnableParserCache'] = false;
  77                 $tmpGlobals['wgCapitalLinks'] = true;
  78                 $tmpGlobals['wgNoFollowLinks'] = true;
  79                 $tmpGlobals['wgNoFollowDomainExceptions'] = array();
  80                 $tmpGlobals['wgExternalLinkTarget'] = false;
  81                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  82                 $tmpGlobals['wgUseImageResize'] = true;
  83                 $tmpGlobals['wgAllowExternalImages'] = true;
  84                 $tmpGlobals['wgRawHtml'] = false;
  85                 $tmpGlobals['wgUseTidy'] = false;
  86                 $tmpGlobals['wgAlwaysUseTidy'] = false;
  87                 $tmpGlobals['wgHtml5'] = true;
  88                 $tmpGlobals['wgWellFormedXml'] = true;
  89                 $tmpGlobals['wgAllowMicrodataAttributes'] = true;
  90                 $tmpGlobals['wgExperimentalHtmlIds'] = false;
  91                 $tmpGlobals['wgAdaptiveMessageCache'] = true;
  92                 $tmpGlobals['wgUseDatabaseMessages'] = true;
  93                 $tmpGlobals['wgLocaltimezone'] = 'UTC';
  94                 $tmpGlobals['wgDeferredUpdateList'] = array();
  95                 $tmpGlobals['wgGroupPermissions'] = array(
  96                         '*' => array(
  97                                 'createaccount' => true,
  98                                 'read' => true,
  99                                 'edit' => true,
 100                                 'createpage' => true,
 101                                 'createtalk' => true,
 102                 ) );
 103                 $tmpGlobals['wgNamespaceProtection'] = array( NS_MEDIAWIKI => 'editinterface' );
 104                 $tmpGlobals['wgMemc'] = new EmptyBagOStuff;
 105                 $tmpGlobals['messageMemc'] = wfGetMessageCacheStorage();
 106                 $tmpGlobals['parserMemc'] = wfGetParserCacheStorage();
 107
 108                 $tmpGlobals['wgParser'] = new StubObject( 'wgParser', $GLOBALS['wgParserConf']['class'], array( $GLOBALS['wgParserConf'] ) );
 109
 110                 if ( $GLOBALS['wgStyleDirectory'] === false ) {
 111                         $tmpGlobals['wgStyleDirectory'] = "$IP/skins";
 112                 }
 113
 114                 $tmpHooks = $wgHooks;
 115                 $tmpHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
 116                 $tmpHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
 117                 $tmpGlobals['wgHooks'] = $tmpHooks;
 118
 119                 $this->setMwGlobals( $tmpGlobals );
 120
 121                 $this->savedWeirdGlobals['image_alias'] = $wgNamespaceAliases['Image'];
 122                 $this->savedWeirdGlobals['image_talk_alias'] = $wgNamespaceAliases['Image_talk'];
 123
 124                 $wgNamespaceAliases['Image'] = NS_FILE;
 125                 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 126         }
 127
 128         protected function tearDown() {
 129                 global $wgNamespaceAliases;
 130
 131                 $wgNamespaceAliases['Image'] = $this->savedWeirdGlobals['image_alias'];
 132                 $wgNamespaceAliases['Image_talk'] = $this->savedWeirdGlobals['image_talk_alias'];
 133
 134                 // Restore backends
 135                 RepoGroup::destroySingleton();
 136                 FileBackendGroup::destroySingleton();
 137
 138                 parent::tearDown();
 139         }
 140
 141         function addDBData() {
 142                 $this->tablesUsed[] = 'site_stats';
 143                 $this->tablesUsed[] = 'interwiki';
 144                 # disabled for performance
 145                 #$this->tablesUsed[] = 'image';
 146
 147                 # Hack: insert a few Wikipedia in-project interwiki prefixes,
 148                 # for testing inter-language links
 149                 $this->db->insert( 'interwiki', array(
 150                                 array( 'iw_prefix' => 'wikipedia',
 151                                         'iw_url' => 'http://en.wikipedia.org/wiki/$1',
 152                                         'iw_api' => '',
 153                                         'iw_wikiid' => '',
 154                                         'iw_local' => 0 ),
 155                                 array( 'iw_prefix' => 'meatball',
 156                                         'iw_url' => 'http://www.usemod.com/cgi-bin/mb.pl?$1',
 157                                         'iw_api' => '',
 158                                         'iw_wikiid' => '',
 159                                         'iw_local' => 0 ),
 160                                 array( 'iw_prefix' => 'zh',
 161                                         'iw_url' => 'http://zh.wikipedia.org/wiki/$1',
 162                                         'iw_api' => '',
 163                                         'iw_wikiid' => '',
 164                                         'iw_local' => 1 ),
 165                                 array( 'iw_prefix' => 'es',
 166                                         'iw_url' => 'http://es.wikipedia.org/wiki/$1',
 167                                         'iw_api' => '',
 168                                         'iw_wikiid' => '',
 169                                         'iw_local' => 1 ),
 170                                 array( 'iw_prefix' => 'fr',
 171                                         'iw_url' => 'http://fr.wikipedia.org/wiki/$1',
 172                                         'iw_api' => '',
 173                                         'iw_wikiid' => '',
 174                                         'iw_local' => 1 ),
 175                                 array( 'iw_prefix' => 'ru',
 176                                         'iw_url' => 'http://ru.wikipedia.org/wiki/$1',
 177                                         'iw_api' => '',
 178                                         'iw_wikiid' => '',
 179                                         'iw_local' => 1 ),
 180                                 /**
 181                                  * @todo Fixme! Why are we inserting duplicate data here? Shouldn't
 182                                  * need this IGNORE or shouldn't need the insert at all.
 183                                  */
 184                         ), __METHOD__, array( 'IGNORE' )
 185                 );
 186
 187                 # Update certain things in site_stats
 188                 $this->db->insert( 'site_stats',
 189                         array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ),
 190                         __METHOD__
 191                 );
 192
 193                 # Clear the message cache
 194                 MessageCache::singleton()->clear();
 195
 196                 $user = User::newFromId( 0 );
 197                 LinkCache::singleton()->clear(); # Avoids the odd failure at creating the nullRevision
 198
 199                 # Upload DB table entries for files.
 200                 # We will upload the actual files later. Note that if anything causes LocalFile::load()
 201                 # to be triggered before then, it will break via maybeUpgrade() setting the fileExists
 202                 # member to false and storing it in cache.
 203                 # note that the size/width/height/bits/etc of the file
 204                 # are actually set by inspecting the file itself; the arguments
 205                 # to recordUpload2 have no effect.  That said, we try to make things
 206                 # match up so it is less confusing to readers of the code & tests.
 207                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
 208                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 209                         $image->recordUpload2(
 210                                 '', // archive name
 211                                 'Upload of some lame file',
 212                                 'Some lame file',
 213                                 array(
 214                                         'size' => 7881,
 215                                         'width' => 1941,
 216                                         'height' => 220,
 217                                         'bits' => 8,
 218                                         'media_type' => MEDIATYPE_BITMAP,
 219                                         'mime' => 'image/jpeg',
 220                                         'metadata' => serialize( array() ),
 221                                         'sha1' => wfBaseConvert( '1', 16, 36, 31 ),
 222                                         'fileExists' => true ),
 223                                 $this->db->timestamp( '20010115123500' ), $user
 224                         );
 225                 }
 226
 227                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) );
 228                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 229                         $image->recordUpload2(
 230                                 '', // archive name
 231                                 'Upload of some lame thumbnail',
 232                                 'Some lame thumbnail',
 233                                 array(
 234                                         'size' => 22589,
 235                                         'width' => 135,
 236                                         'height' => 135,
 237                                         'bits' => 8,
 238                                         'media_type' => MEDIATYPE_BITMAP,
 239                                         'mime' => 'image/png',
 240                                         'metadata' => serialize( array() ),
 241                                         'sha1' => wfBaseConvert( '2', 16, 36, 31 ),
 242                                         'fileExists' => true ),
 243                                 $this->db->timestamp( '20130225203040' ), $user
 244                         );
 245                 }
 246
 247                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
 248                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
 249                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 250                         $image->recordUpload2(
 251                                 '', // archive name
 252                                 'zomgnotcensored',
 253                                 'Borderline image',
 254                                 array(
 255                                         'size' => 12345,
 256                                         'width' => 320,
 257                                         'height' => 240,
 258                                         'bits' => 24,
 259                                         'media_type' => MEDIATYPE_BITMAP,
 260                                         'mime' => 'image/jpeg',
 261                                         'metadata' => serialize( array() ),
 262                                         'sha1' => wfBaseConvert( '3', 16, 36, 31 ),
 263                                         'fileExists' => true ),
 264                                 $this->db->timestamp( '20010115123500' ), $user
 265                         );
 266                 }
 267         }
 268
 269         //ParserTest setup/teardown functions
 270
 271         /**
 272          * Set up the global variables for a consistent environment for each test.
 273          * Ideally this should replace the global configuration entirely.
 274          */
 275         protected function setupGlobals( $opts = array(), $config = '' ) {
 276                 global $wgFileBackends;
 277                 # Find out values for some special options.
 278                 $lang =
 279                         self::getOptionValue( 'language', $opts, 'en' );
 280                 $variant =
 281                         self::getOptionValue( 'variant', $opts, false );
 282                 $maxtoclevel =
 283                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 284                 $linkHolderBatchSize =
 285                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 286
 287                 $uploadDir = $this->getUploadDir();
 288                 if ( $this->getCliArg( 'use-filebackend=' ) ) {
 289                         if ( self::$backendToUse ) {
 290                                 $backend = self::$backendToUse;
 291                         } else {
 292                                 $name = $this->getCliArg( 'use-filebackend=' );
 293                                 $useConfig = array();
 294                                 foreach ( $wgFileBackends as $conf ) {
 295                                         if ( $conf['name'] == $name ) {
 296                                                 $useConfig = $conf;
 297                                         }
 298                                 }
 299                                 $useConfig['name'] = 'local-backend'; // swap name
 300                                 $class = $conf['class'];
 301                                 self::$backendToUse = new $class( $useConfig );
 302                                 $backend = self::$backendToUse;
 303                         }
 304                 } else {
 305                         $backend = new FSFileBackend( array(
 306                                 'name' => 'local-backend',
 307                                 'lockManager' => 'nullLockManager',
 308                                 'containerPaths' => array(
 309                                         'local-public' => "$uploadDir",
 310                                         'local-thumb' => "$uploadDir/thumb",
 311                                 )
 312                         ) );
 313                 }
 314
 315                 $settings = array(
 316                         'wgLocalFileRepo' => array(
 317                                 'class' => 'LocalRepo',
 318                                 'name' => 'local',
 319                                 'url' => 'http://example.com/images',
 320                                 'hashLevels' => 2,
 321                                 'transformVia404' => false,
 322                                 'backend' => $backend
 323                         ),
 324                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
 325                         'wgLanguageCode' => $lang,
 326                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'unittest_' : 'ut_',
 327                         'wgRawHtml' => isset( $opts['rawhtml'] ),
 328                         'wgNamespacesWithSubpages' => array( NS_MAIN => isset( $opts['subpage'] ) ),
 329                         'wgMaxTocLevel' => $maxtoclevel,
 330                         'wgUseTeX' => isset( $opts['math'] ),
 331                         'wgMathDirectory' => $uploadDir . '/math',
 332                         'wgDefaultLanguageVariant' => $variant,
 333                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 334                 );
 335
 336                 if ( $config ) {
 337                         $configLines = explode( "\n", $config );
 338
 339                         foreach ( $configLines as $line ) {
 340                                 list( $var, $value ) = explode( '=', $line, 2 );
 341
 342                                 $settings[$var] = eval( "return $value;" ); //???
 343                         }
 344                 }
 345
 346                 $this->savedGlobals = array();
 347
 348                 /** @since 1.20 */
 349                 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
 350
 351                 $langObj = Language::factory( $lang );
 352                 $settings['wgContLang'] = $langObj;
 353                 $settings['wgLang'] = $langObj;
 354
 355                 $context = new RequestContext();
 356                 $settings['wgOut'] = $context->getOutput();
 357                 $settings['wgUser'] = $context->getUser();
 358                 $settings['wgRequest'] = $context->getRequest();
 359
 360                 foreach ( $settings as $var => $val ) {
 361                         if ( array_key_exists( $var, $GLOBALS ) ) {
 362                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 363                         }
 364
 365                         $GLOBALS[$var] = $val;
 366                 }
 367
 368                 MagicWord::clearCache();
 369                 RepoGroup::destroySingleton();
 370                 FileBackendGroup::destroySingleton();
 371
 372                 # Create dummy files in storage
 373                 $this->setupUploads();
 374
 375                 # Publish the articles after we have the final language set
 376                 $this->publishTestArticles();
 377
 378                 # The entries saved into RepoGroup cache with previous globals will be wrong.
 379                 RepoGroup::destroySingleton();
 380                 FileBackendGroup::destroySingleton();
 381                 MessageCache::destroyInstance();
 382
 383                 return $context;
 384         }
 385
 386         /**
 387          * Get an FS upload directory (only applies to FSFileBackend)
 388          *
 389          * @return String: the directory
 390          */
 391         protected function getUploadDir() {
 392                 if ( $this->keepUploads ) {
 393                         $dir = wfTempDir() . '/mwParser-images';
 394
 395                         if ( is_dir( $dir ) ) {
 396                                 return $dir;
 397                         }
 398                 } else {
 399                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
 400                 }
 401
 402                 // wfDebug( "Creating upload directory $dir\n" );
 403                 if ( file_exists( $dir ) ) {
 404                         wfDebug( "Already exists!\n" );
 405
 406                         return $dir;
 407                 }
 408
 409                 return $dir;
 410         }
 411
 412         /**
 413          * Create a dummy uploads directory which will contain a couple
 414          * of files in order to pass existence tests.
 415          *
 416          * @return String: the directory
 417          */
 418         protected function setupUploads() {
 419                 global $IP;
 420
 421                 $base = $this->getBaseDir();
 422                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 423                 $backend->prepare( array( 'dir' => "$base/local-public/3/3a" ) );
 424                 $backend->store( array(
 425                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/3/3a/Foobar.jpg"
 426                 ) );
 427                 $backend->prepare( array( 'dir' => "$base/local-public/e/ea" ) );
 428                 $backend->store( array(
 429                         'src' => "$IP/skins/monobook/wiki.png", 'dst' => "$base/local-public/e/ea/Thumb.png"
 430                 ) );
 431                 $backend->prepare( array( 'dir' => "$base/local-public/0/09" ) );
 432                 $backend->store( array(
 433                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/0/09/Bad.jpg"
 434                 ) );
 435         }
 436
 437         /**
 438          * Restore default values and perform any necessary clean-up
 439          * after each test runs.
 440          */
 441         protected function teardownGlobals() {
 442                 $this->teardownUploads();
 443
 444                 foreach ( $this->savedGlobals as $var => $val ) {
 445                         $GLOBALS[$var] = $val;
 446                 }
 447
 448                 RepoGroup::destroySingleton();
 449                 LinkCache::singleton()->clear();
 450         }
 451
 452         /**
 453          * Remove the dummy uploads directory
 454          */
 455         private function teardownUploads() {
 456                 if ( $this->keepUploads ) {
 457                         return;
 458                 }
 459
 460                 $base = $this->getBaseDir();
 461                 // delete the files first, then the dirs.
 462                 self::deleteFiles(
 463                         array(
 464                                 "$base/local-public/3/3a/Foobar.jpg",
 465                                 "$base/local-thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
 466                                 "$base/local-thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
 467                                 "$base/local-thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
 468                                 "$base/local-thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
 469                                 "$base/local-thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
 470                                 "$base/local-thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
 471                                 "$base/local-thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
 472                                 "$base/local-thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
 473                                 "$base/local-thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
 474                                 "$base/local-thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
 475                                 "$base/local-thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
 476                                 "$base/local-thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
 477                                 "$base/local-thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
 478                                 "$base/local-thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
 479
 480                                 "$base/local-public/e/ea/Thumb.png",
 481
 482                                 "$base/local-public/0/09/Bad.jpg",
 483
 484                                 "$base/local-public/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
 485                         )
 486                 );
 487         }
 488
 489         /**
 490          * Delete the specified files, if they exist.
 491          * @param $files Array: full paths to files to delete.
 492          */
 493         private static function deleteFiles( $files ) {
 494                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 495                 foreach ( $files as $file ) {
 496                         $backend->delete( array( 'src' => $file ), array( 'force' => 1 ) );
 497                 }
 498                 foreach ( $files as $file ) {
 499                         $tmp = $file;
 500                         while ( $tmp = FileBackend::parentStoragePath( $tmp ) ) {
 501                                 if ( !$backend->clean( array( 'dir' => $tmp ) )->isOK() ) {
 502                                         break;
 503                                 }
 504                         }
 505                 }
 506         }
 507
 508         protected function getBaseDir() {
 509                 return 'mwstore://local-backend';
 510         }
 511
 512         public function parserTestProvider() {
 513                 if ( $this->file === false ) {
 514                         global $wgParserTestFiles;
 515                         $this->file = $wgParserTestFiles[0];
 516                 }
 517
 518                 return new TestFileIterator( $this->file, $this );
 519         }
 520
 521         /**
 522          * Set the file from whose tests will be run by this instance
 523          */
 524         public function setParserTestFile( $filename ) {
 525                 $this->file = $filename;
 526         }
 527
 528         /**
 529          * @group medium
 530          * @dataProvider parserTestProvider
 531          */
 532         public function testParserTest( $desc, $input, $result, $opts, $config ) {
 533                 if ( $this->regex != '' && !preg_match( '/' . $this->regex . '/', $desc ) ) {
 534                         $this->assertTrue( true ); // XXX: don't flood output with "test made no assertions"
 535                         //$this->markTestSkipped( 'Filtered out by the user' );
 536                         return;
 537                 }
 538
 539                 if ( !$this->isWikitextNS( NS_MAIN ) ) {
 540                         // parser tests frequently assume that the main namespace contains wikitext.
 541                         // @todo: When setting up pages, force the content model. Only skip if
 542                         //        $wgtContentModelUseDB is false.
 543                         $this->markTestSkipped( "Main namespace does not support wikitext,"
 544                                 . "skipping parser test: $desc" );
 545                 }
 546
 547                 wfDebug( "Running parser test: $desc\n" );
 548
 549                 $opts = $this->parseOptions( $opts );
 550                 $context = $this->setupGlobals( $opts, $config );
 551
 552                 $user = $context->getUser();
 553                 $options = ParserOptions::newFromContext( $context );
 554
 555                 if ( isset( $opts['title'] ) ) {
 556                         $titleText = $opts['title'];
 557                 } else {
 558                         $titleText = 'Parser test';
 559                 }
 560
 561                 $local = isset( $opts['local'] );
 562                 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
 563                 $parser = $this->getParser( $preprocessor );
 564
 565                 $title = Title::newFromText( $titleText );
 566
 567                 if ( isset( $opts['pst'] ) ) {
 568                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
 569                 } elseif ( isset( $opts['msg'] ) ) {
 570                         $out = $parser->transformMsg( $input, $options, $title );
 571                 } elseif ( isset( $opts['section'] ) ) {
 572                         $section = $opts['section'];
 573                         $out = $parser->getSection( $input, $section );
 574                 } elseif ( isset( $opts['replace'] ) ) {
 575                         $section = $opts['replace'][0];
 576                         $replace = $opts['replace'][1];
 577                         $out = $parser->replaceSection( $input, $section, $replace );
 578                 } elseif ( isset( $opts['comment'] ) ) {
 579                         $out = Linker::formatComment( $input, $title, $local );
 580                 } elseif ( isset( $opts['preload'] ) ) {
 581                         $out = $parser->getPreloadText( $input, $title, $options );
 582                 } else {
 583                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
 584                         $out = $output->getText();
 585
 586                         if ( isset( $opts['showtitle'] ) ) {
 587                                 if ( $output->getTitleText() ) {
 588                                         $title = $output->getTitleText();
 589                                 }
 590
 591                                 $out = "$title\n$out";
 592                         }
 593
 594                         if ( isset( $opts['ill'] ) ) {
 595                                 $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
 596                         } elseif ( isset( $opts['cat'] ) ) {
 597                                 $outputPage = $context->getOutput();
 598                                 $outputPage->addCategoryLinks( $output->getCategories() );
 599                                 $cats = $outputPage->getCategoryLinks();
 600
 601                                 if ( isset( $cats['normal'] ) ) {
 602                                         $out = $this->tidy( implode( ' ', $cats['normal'] ) );
 603                                 } else {
 604                                         $out = '';
 605                                 }
 606                         }
 607                         $parser->mPreprocessor = null;
 608
 609                         $result = $this->tidy( $result );
 610                 }
 611
 612                 $this->teardownGlobals();
 613
 614                 $this->assertEquals( $result, $out, $desc );
 615         }
 616
 617         /**
 618          * Run a fuzz test series
 619          * Draw input from a set of test files
 620          *
 621          * @todo fixme Needs some work to not eat memory until the world explodes
 622          *
 623          * @group ParserFuzz
 624          */
 625         function testFuzzTests() {
 626                 global $wgParserTestFiles;
 627
 628                 $files = $wgParserTestFiles;
 629
 630                 if ( $this->getCliArg( 'file=' ) ) {
 631                         $files = array( $this->getCliArg( 'file=' ) );
 632                 }
 633
 634                 $dict = $this->getFuzzInput( $files );
 635                 $dictSize = strlen( $dict );
 636                 $logMaxLength = log( $this->maxFuzzTestLength );
 637
 638                 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
 639
 640                 $user = new User;
 641                 $opts = ParserOptions::newFromUser( $user );
 642                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
 643
 644                 $id = 1;
 645
 646                 while ( true ) {
 647
 648                         // Generate test input
 649                         mt_srand( ++$this->fuzzSeed );
 650                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
 651                         $input = '';
 652
 653                         while ( strlen( $input ) < $totalLength ) {
 654                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
 655                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
 656                                 $offset = mt_rand( 0, $dictSize - $hairLength );
 657                                 $input .= substr( $dict, $offset, $hairLength );
 658                         }
 659
 660                         $this->setupGlobals();
 661                         $parser = $this->getParser();
 662
 663                         // Run the test
 664                         try {
 665                                 $parser->parse( $input, $title, $opts );
 666                                 $this->assertTrue( true, "Test $id, fuzz seed {$this->fuzzSeed}" );
 667                         } catch ( Exception $exception ) {
 668                                 $input_dump = sprintf( "string(%d) \"%s\"\n", strlen( $input ), $input );
 669
 670                                 $this->assertTrue( false, "Test $id, fuzz seed {$this->fuzzSeed}. \n\nInput: $input_dump\n\nError: {$exception->getMessage()}\n\nBacktrace: {$exception->getTraceAsString()}" );
 671                         }
 672
 673                         $this->teardownGlobals();
 674                         $parser->__destruct();
 675
 676                         if ( $id % 100 == 0 ) {
 677                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
 678                                 //echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
 679                                 if ( $usage > 90 ) {
 680                                         $ret = "Out of memory:\n";
 681                                         $memStats = $this->getMemoryBreakdown();
 682
 683                                         foreach ( $memStats as $name => $usage ) {
 684                                                 $ret .= "$name: $usage\n";
 685                                         }
 686
 687                                         throw new MWException( $ret );
 688                                 }
 689                         }
 690
 691                         $id++;
 692                 }
 693         }
 694
 695         //Various getter functions
 696
 697         /**
 698          * Get an input dictionary from a set of parser test files
 699          */
 700         function getFuzzInput( $filenames ) {
 701                 $dict = '';
 702
 703                 foreach ( $filenames as $filename ) {
 704                         $contents = file_get_contents( $filename );
 705                         preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
 706
 707                         foreach ( $matches[1] as $match ) {
 708                                 $dict .= $match . "\n";
 709                         }
 710                 }
 711
 712                 return $dict;
 713         }
 714
 715         /**
 716          * Get a memory usage breakdown
 717          */
 718         function getMemoryBreakdown() {
 719                 $memStats = array();
 720
 721                 foreach ( $GLOBALS as $name => $value ) {
 722                         $memStats['$' . $name] = strlen( serialize( $value ) );
 723                 }
 724
 725                 $classes = get_declared_classes();
 726
 727                 foreach ( $classes as $class ) {
 728                         $rc = new ReflectionClass( $class );
 729                         $props = $rc->getStaticProperties();
 730                         $memStats[$class] = strlen( serialize( $props ) );
 731                         $methods = $rc->getMethods();
 732
 733                         foreach ( $methods as $method ) {
 734                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 735                         }
 736                 }
 737
 738                 $functions = get_defined_functions();
 739
 740                 foreach ( $functions['user'] as $function ) {
 741                         $rf = new ReflectionFunction( $function );
 742                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 743                 }
 744
 745                 asort( $memStats );
 746
 747                 return $memStats;
 748         }
 749
 750         /**
 751          * Get a Parser object
 752          */
 753         function getParser( $preprocessor = null ) {
 754                 global $wgParserConf;
 755
 756                 $class = $wgParserConf['class'];
 757                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
 758
 759                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
 760
 761                 return $parser;
 762         }
 763
 764         //Various action functions
 765
 766         public function addArticle( $name, $text, $line ) {
 767                 self::$articles[$name] = array( $text, $line );
 768         }
 769
 770         public function publishTestArticles() {
 771                 if ( empty( self::$articles ) ) {
 772                         return;
 773                 }
 774
 775                 foreach ( self::$articles as $name => $info ) {
 776                         list( $text, $line ) = $info;
 777                         ParserTest::addArticle( $name, $text, $line, 'ignoreduplicate' );
 778                 }
 779         }
 780
 781         /**
 782          * Steal a callback function from the primary parser, save it for
 783          * application to our scary parser. If the hook is not installed,
 784          * abort processing of this file.
 785          *
 786          * @param $name String
 787          * @return Bool true if tag hook is present
 788          */
 789         public function requireHook( $name ) {
 790                 global $wgParser;
 791                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 792                 return isset( $wgParser->mTagHooks[$name] );
 793         }
 794
 795         public function requireFunctionHook( $name ) {
 796                 global $wgParser;
 797                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 798                 return isset( $wgParser->mFunctionHooks[$name] );
 799         }
 800
 801         //Various "cleanup" functions
 802
 803         /**
 804          * Run the "tidy" command on text if the $wgUseTidy
 805          * global is true
 806          *
 807          * @param $text String: the text to tidy
 808          * @return String
 809          */
 810         protected function tidy( $text ) {
 811                 global $wgUseTidy;
 812
 813                 if ( $wgUseTidy ) {
 814                         $text = MWTidy::tidy( $text );
 815                 }
 816
 817                 return $text;
 818         }
 819
 820         /**
 821          * Remove last character if it is a newline
 822          */
 823         public function removeEndingNewline( $s ) {
 824                 if ( substr( $s, -1 ) === "\n" ) {
 825                         return substr( $s, 0, -1 );
 826                 } else {
 827                         return $s;
 828                 }
 829         }
 830
 831         //Test options parser functions
 832
 833         protected function parseOptions( $instring ) {
 834                 $opts = array();
 835                 // foo
 836                 // foo=bar
 837                 // foo="bar baz"
 838                 // foo=[[bar baz]]
 839                 // foo=bar,"baz quux"
 840                 $regex = '/\b
 841                         ([\w-]+)                                                # Key
 842                         \b
 843                         (?:\s*
 844                                 =                                               # First sub-value
 845                                 \s*
 846                                 (
 847                                         "
 848                                                 [^"]*                   # Quoted val
 849                                         "
 850                                 |
 851                                         \[\[
 852                                                 [^]]*                   # Link target
 853                                         \]\]
 854                                 |
 855                                         [\w-]+                          # Plain word
 856                                 )
 857                                 (?:\s*
 858                                         ,                                       # Sub-vals 1..N
 859                                         \s*
 860                                         (
 861                                                 "[^"]*"                 # Quoted val
 862                                         |
 863                                                 \[\[[^]]*\]\]   # Link target
 864                                         |
 865                                                 [\w-]+                  # Plain word
 866                                         )
 867                                 )*
 868                         )?
 869                         /x';
 870
 871                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
 872                         foreach ( $matches as $bits ) {
 873                                 array_shift( $bits );
 874                                 $key = strtolower( array_shift( $bits ) );
 875                                 if ( count( $bits ) == 0 ) {
 876                                         $opts[$key] = true;
 877                                 } elseif ( count( $bits ) == 1 ) {
 878                                         $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
 879                                 } else {
 880                                         // Array!
 881                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
 882                                 }
 883                         }
 884                 }
 885
 886                 return $opts;
 887         }
 888
 889         protected function cleanupOption( $opt ) {
 890                 if ( substr( $opt, 0, 1 ) == '"' ) {
 891                         return substr( $opt, 1, -1 );
 892                 }
 893
 894                 if ( substr( $opt, 0, 2 ) == '[[' ) {
 895                         return substr( $opt, 2, -2 );
 896                 }
 897
 898                 return $opt;
 899         }
 900
 901         /**
 902          * Use a regex to find out the value of an option
 903          * @param $key String: name of option val to retrieve
 904          * @param $opts Options array to look in
 905          * @param $default Mixed: default value returned if not found
 906          */
 907         protected static function getOptionValue( $key, $opts, $default ) {
 908                 $key = strtolower( $key );
 909
 910                 if ( isset( $opts[$key] ) ) {
 911                         return $opts[$key];
 912                 } else {
 913                         return $default;
 914                 }
 915         }
 916 }