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 $regex = '';
  20         public $showProgress = true;
  21         public $savedInitialGlobals = array();
  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 $wgContLang, $wgLanguageCode;
  36                 global $wgNamespaceProtection, $wgNamespaceAliases;
  37                 global $wgHooks, $IP;
  38
  39                 parent::setUp();
  40
  41                 $wgLanguageCode = 'en';
  42                 $wgContLang = Language::factory( 'en' );
  43
  44                 //Setup CLI arguments
  45                 if ( $this->getCliArg( 'regex=' ) ) {
  46                         $this->regex = $this->getCliArg( 'regex=' );
  47                 } else {
  48                         # Matches anything
  49                         $this->regex = '';
  50                 }
  51
  52                 $this->keepUploads = $this->getCliArg( 'keep-uploads' );
  53
  54                 $tmpGlobals = array();
  55
  56                 $tmpGlobals['wgScript'] = '/index.php';
  57                 $tmpGlobals['wgScriptPath'] = '/';
  58                 $tmpGlobals['wgArticlePath'] = '/wiki/$1';
  59                 $tmpGlobals['wgStyleSheetPath'] = '/skins';
  60                 $tmpGlobals['wgStylePath'] = '/skins';
  61                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  62                 $tmpGlobals['wgLocalFileRepo'] = array(
  63                         'class' => 'LocalRepo',
  64                         'name' => 'local',
  65                         'url' => 'http://example.com/images',
  66                         'hashLevels' => 2,
  67                         'transformVia404' => false,
  68                         'backend' => 'local-backend'
  69                 );
  70                 $tmpGlobals['wgForeignFileRepos'] = array();
  71                 $tmpGlobals['wgEnableParserCache'] = false;
  72                 $tmpGlobals['wgHooks'] = $wgHooks;
  73                 $tmpGlobals['wgDeferredUpdateList'] = array();
  74                 $tmpGlobals['wgMemc'] = wfGetMainCache();
  75                 $tmpGlobals['messageMemc'] = wfGetMessageCacheStorage();
  76                 $tmpGlobals['parserMemc'] = wfGetParserCacheStorage();
  77
  78                 // $tmpGlobals['wgContLang'] = new StubContLang;
  79                 $tmpGlobals['wgUser'] = new User;
  80                 $context = new RequestContext();
  81                 $tmpGlobals['wgLang'] = $context->getLanguage();
  82                 $tmpGlobals['wgOut'] = $context->getOutput();
  83                 $tmpGlobals['wgParser'] = new StubObject( 'wgParser', $GLOBALS['wgParserConf']['class'], array( $GLOBALS['wgParserConf'] ) );
  84                 $tmpGlobals['wgRequest'] = $context->getRequest();
  85
  86                 if ( $GLOBALS['wgStyleDirectory'] === false ) {
  87                         $tmpGlobals['wgStyleDirectory'] = "$IP/skins";
  88                 }
  89
  90
  91                 foreach ( $tmpGlobals as $var => $val ) {
  92                         if ( array_key_exists( $var, $GLOBALS ) ) {
  93                                 $this->savedInitialGlobals[$var] = $GLOBALS[$var];
  94                         }
  95
  96                         $GLOBALS[$var] = $val;
  97                 }
  98
  99                 $this->savedWeirdGlobals['mw_namespace_protection'] = $wgNamespaceProtection[NS_MEDIAWIKI];
 100                 $this->savedWeirdGlobals['image_alias'] = $wgNamespaceAliases['Image'];
 101                 $this->savedWeirdGlobals['image_talk_alias'] = $wgNamespaceAliases['Image_talk'];
 102
 103                 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
 104                 $wgNamespaceAliases['Image'] = NS_FILE;
 105                 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 106         }
 107
 108         protected function tearDown() {
 109                 foreach ( $this->savedInitialGlobals as $var => $val ) {
 110                         $GLOBALS[$var] = $val;
 111                 }
 112
 113                 global $wgNamespaceProtection, $wgNamespaceAliases;
 114
 115                 $wgNamespaceProtection[NS_MEDIAWIKI] = $this->savedWeirdGlobals['mw_namespace_protection'];
 116                 $wgNamespaceAliases['Image'] = $this->savedWeirdGlobals['image_alias'];
 117                 $wgNamespaceAliases['Image_talk'] = $this->savedWeirdGlobals['image_talk_alias'];
 118
 119                 // Restore backends
 120                 RepoGroup::destroySingleton();
 121                 FileBackendGroup::destroySingleton();
 122
 123                 parent::tearDown();
 124         }
 125
 126         function addDBData() {
 127                 $this->tablesUsed[] = 'site_stats';
 128                 $this->tablesUsed[] = 'interwiki';
 129                 # disabled for performance
 130                 #$this->tablesUsed[] = 'image';
 131
 132                 # Hack: insert a few Wikipedia in-project interwiki prefixes,
 133                 # for testing inter-language links
 134                 $this->db->insert( 'interwiki', array(
 135                                 array( 'iw_prefix' => 'wikipedia',
 136                                         'iw_url' => 'http://en.wikipedia.org/wiki/$1',
 137                                         'iw_api' => '',
 138                                         'iw_wikiid' => '',
 139                                         'iw_local' => 0 ),
 140                                 array( 'iw_prefix' => 'meatball',
 141                                         'iw_url' => 'http://www.usemod.com/cgi-bin/mb.pl?$1',
 142                                         'iw_api' => '',
 143                                         'iw_wikiid' => '',
 144                                         'iw_local' => 0 ),
 145                                 array( 'iw_prefix' => 'zh',
 146                                         'iw_url' => 'http://zh.wikipedia.org/wiki/$1',
 147                                         'iw_api' => '',
 148                                         'iw_wikiid' => '',
 149                                         'iw_local' => 1 ),
 150                                 array( 'iw_prefix' => 'es',
 151                                         'iw_url' => 'http://es.wikipedia.org/wiki/$1',
 152                                         'iw_api' => '',
 153                                         'iw_wikiid' => '',
 154                                         'iw_local' => 1 ),
 155                                 array( 'iw_prefix' => 'fr',
 156                                         'iw_url' => 'http://fr.wikipedia.org/wiki/$1',
 157                                         'iw_api' => '',
 158                                         'iw_wikiid' => '',
 159                                         'iw_local' => 1 ),
 160                                 array( 'iw_prefix' => 'ru',
 161                                         'iw_url' => 'http://ru.wikipedia.org/wiki/$1',
 162                                         'iw_api' => '',
 163                                         'iw_wikiid' => '',
 164                                         'iw_local' => 1 ),
 165                                 /**
 166                                  * @todo Fixme! Why are we inserting duplicate data here? Shouldn't
 167                                  * need this IGNORE or shouldn't need the insert at all.
 168                                  */
 169                         ), __METHOD__, array( 'IGNORE' )
 170                 );
 171
 172                 # Update certain things in site_stats
 173                 $this->db->insert( 'site_stats',
 174                         array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ),
 175                         __METHOD__
 176                 );
 177
 178                 # Reinitialise the LocalisationCache to match the database state
 179                 Language::getLocalisationCache()->unloadAll();
 180
 181                 # Clear the message cache
 182                 MessageCache::singleton()->clear();
 183
 184                 $user = User::newFromId( 0 );
 185                 LinkCache::singleton()->clear(); # Avoids the odd failure at creating the nullRevision
 186
 187                 # Upload DB table entries for files.
 188                 # We will upload the actual files later. Note that if anything causes LocalFile::load()
 189                 # to be triggered before then, it will break via maybeUpgrade() setting the fileExists
 190                 # member to false and storing it in cache.
 191                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
 192                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 193                         $image->recordUpload2(
 194                                 '', // archive name
 195                                 'Upload of some lame file',
 196                                 'Some lame file',
 197                                 array(
 198                                         'size' => 12345,
 199                                         'width' => 1941,
 200                                         'height' => 220,
 201                                         'bits' => 24,
 202                                         'media_type' => MEDIATYPE_BITMAP,
 203                                         'mime' => 'image/jpeg',
 204                                         'metadata' => serialize( array() ),
 205                                         'sha1' => wfBaseConvert( '', 16, 36, 31 ),
 206                                         'fileExists' => true ),
 207                                 $this->db->timestamp( '20010115123500' ), $user
 208                         );
 209                 }
 210
 211                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
 212                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
 213                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 214                         $image->recordUpload2(
 215                                 '', // archive name
 216                                 'zomgnotcensored',
 217                                 'Borderline image',
 218                                 array(
 219                                         'size' => 12345,
 220                                         'width' => 320,
 221                                         'height' => 240,
 222                                         'bits' => 24,
 223                                         'media_type' => MEDIATYPE_BITMAP,
 224                                         'mime' => 'image/jpeg',
 225                                         'metadata' => serialize( array() ),
 226                                         'sha1' => wfBaseConvert( '', 16, 36, 31 ),
 227                                         'fileExists' => true ),
 228                                 $this->db->timestamp( '20010115123500' ), $user
 229                         );
 230                 }
 231         }
 232
 233         //ParserTest setup/teardown functions
 234
 235         /**
 236          * Set up the global variables for a consistent environment for each test.
 237          * Ideally this should replace the global configuration entirely.
 238          */
 239         protected function setupGlobals( $opts = '', $config = '' ) {
 240                 global $wgFileBackends;
 241                 # Find out values for some special options.
 242                 $lang =
 243                         self::getOptionValue( 'language', $opts, 'en' );
 244                 $variant =
 245                         self::getOptionValue( 'variant', $opts, false );
 246                 $maxtoclevel =
 247                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 248                 $linkHolderBatchSize =
 249                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 250
 251                 $uploadDir = $this->getUploadDir();
 252                 if ( $this->getCliArg( 'use-filebackend=' ) ) {
 253                         if ( self::$backendToUse ) {
 254                                 $backend = self::$backendToUse;
 255                         } else {
 256                                 $name = $this->getCliArg( 'use-filebackend=' );
 257                                 $useConfig = array();
 258                                 foreach ( $wgFileBackends as $conf ) {
 259                                         if ( $conf['name'] == $name ) {
 260                                                 $useConfig = $conf;
 261                                         }
 262                                 }
 263                                 $useConfig['name'] = 'local-backend'; // swap name
 264                                 $class = $conf['class'];
 265                                 self::$backendToUse = new $class( $useConfig );
 266                                 $backend = self::$backendToUse;
 267                         }
 268                 } else {
 269                         $backend = new FSFileBackend( array(
 270                                 'name' => 'local-backend',
 271                                 'lockManager' => 'nullLockManager',
 272                                 'containerPaths' => array(
 273                                         'local-public' => "$uploadDir",
 274                                         'local-thumb' => "$uploadDir/thumb",
 275                                 )
 276                         ) );
 277                 }
 278
 279                 $settings = array(
 280                         'wgServer' => 'http://Britney-Spears',
 281                         'wgScript' => '/index.php',
 282                         'wgScriptPath' => '/',
 283                         'wgArticlePath' => '/wiki/$1',
 284                         'wgExtensionAssetsPath' => '/extensions',
 285                         'wgActionPaths' => array(),
 286                         'wgLocalFileRepo' => array(
 287                                 'class' => 'LocalRepo',
 288                                 'name' => 'local',
 289                                 'url' => 'http://example.com/images',
 290                                 'hashLevels' => 2,
 291                                 'transformVia404' => false,
 292                                 'backend' => $backend
 293                         ),
 294                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
 295                         'wgStylePath' => '/skins',
 296                         'wgStyleSheetPath' => '/skins',
 297                         'wgSitename' => 'MediaWiki',
 298                         'wgLanguageCode' => $lang,
 299                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'unittest_' : 'ut_',
 300                         'wgRawHtml' => isset( $opts['rawhtml'] ),
 301                         'wgLang' => null,
 302                         'wgContLang' => null,
 303                         'wgNamespacesWithSubpages' => array( 0 => isset( $opts['subpage'] ) ),
 304                         'wgMaxTocLevel' => $maxtoclevel,
 305                         'wgCapitalLinks' => true,
 306                         'wgNoFollowLinks' => true,
 307                         'wgNoFollowDomainExceptions' => array(),
 308                         'wgThumbnailScriptPath' => false,
 309                         'wgUseImageResize' => true,
 310                         'wgUseTeX' => isset( $opts['math'] ),
 311                         'wgMathDirectory' => $uploadDir . '/math',
 312                         'wgLocaltimezone' => 'UTC',
 313                         'wgAllowExternalImages' => true,
 314                         'wgUseTidy' => false,
 315                         'wgDefaultLanguageVariant' => $variant,
 316                         'wgVariantArticlePath' => false,
 317                         'wgGroupPermissions' => array( '*' => array(
 318                                 'createaccount' => true,
 319                                 'read' => true,
 320                                 'edit' => true,
 321                                 'createpage' => true,
 322                                 'createtalk' => true,
 323                         ) ),
 324                         'wgNamespaceProtection' => array( NS_MEDIAWIKI => 'editinterface' ),
 325                         'wgDefaultExternalStore' => array(),
 326                         'wgForeignFileRepos' => array(),
 327                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 328                         'wgExperimentalHtmlIds' => false,
 329                         'wgExternalLinkTarget' => false,
 330                         'wgAlwaysUseTidy' => false,
 331                         'wgHtml5' => true,
 332                         'wgWellFormedXml' => true,
 333                         'wgAllowMicrodataAttributes' => true,
 334                         'wgAdaptiveMessageCache' => true,
 335                         'wgUseDatabaseMessages' => true,
 336                 );
 337
 338                 if ( $config ) {
 339                         $configLines = explode( "\n", $config );
 340
 341                         foreach ( $configLines as $line ) {
 342                                 list( $var, $value ) = explode( '=', $line, 2 );
 343
 344                                 $settings[$var] = eval( "return $value;" ); //???
 345                         }
 346                 }
 347
 348                 $this->savedGlobals = array();
 349
 350                 /** @since 1.20 */
 351                 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
 352
 353                 foreach ( $settings as $var => $val ) {
 354                         if ( array_key_exists( $var, $GLOBALS ) ) {
 355                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 356                         }
 357
 358                         $GLOBALS[$var] = $val;
 359                 }
 360
 361                 $langObj = Language::factory( $lang );
 362                 $GLOBALS['wgContLang'] = $langObj;
 363                 $context = new RequestContext();
 364                 $GLOBALS['wgLang'] = $context->getLanguage();
 365
 366                 $GLOBALS['wgMemc'] = new EmptyBagOStuff;
 367                 $GLOBALS['wgOut'] = $context->getOutput();
 368                 $GLOBALS['wgUser'] = $context->getUser();
 369
 370                 global $wgHooks;
 371
 372                 $wgHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
 373                 $wgHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
 374
 375                 MagicWord::clearCache();
 376                 RepoGroup::destroySingleton();
 377                 FileBackendGroup::destroySingleton();
 378
 379                 # Create dummy files in storage
 380                 $this->setupUploads();
 381
 382                 # Publish the articles after we have the final language set
 383                 $this->publishTestArticles();
 384
 385                 # The entries saved into RepoGroup cache with previous globals will be wrong.
 386                 RepoGroup::destroySingleton();
 387                 FileBackendGroup::destroySingleton();
 388                 MessageCache::destroyInstance();
 389
 390                 return $context;
 391         }
 392
 393         /**
 394          * Get an FS upload directory (only applies to FSFileBackend)
 395          *
 396          * @return String: the directory
 397          */
 398         protected function getUploadDir() {
 399                 if ( $this->keepUploads ) {
 400                         $dir = wfTempDir() . '/mwParser-images';
 401
 402                         if ( is_dir( $dir ) ) {
 403                                 return $dir;
 404                         }
 405                 } else {
 406                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
 407                 }
 408
 409                 // wfDebug( "Creating upload directory $dir\n" );
 410                 if ( file_exists( $dir ) ) {
 411                         wfDebug( "Already exists!\n" );
 412                         return $dir;
 413                 }
 414
 415                 return $dir;
 416         }
 417
 418         /**
 419          * Create a dummy uploads directory which will contain a couple
 420          * of files in order to pass existence tests.
 421          *
 422          * @return String: the directory
 423          */
 424         protected function setupUploads() {
 425                 global $IP;
 426
 427                 $base = $this->getBaseDir();
 428                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 429                 $backend->prepare( array( 'dir' => "$base/local-public/3/3a" ) );
 430                 $backend->store( array(
 431                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/3/3a/Foobar.jpg"
 432                 ) );
 433                 $backend->prepare( array( 'dir' => "$base/local-public/0/09" ) );
 434                 $backend->store( array(
 435                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/0/09/Bad.jpg"
 436                 ) );
 437         }
 438
 439         /**
 440          * Restore default values and perform any necessary clean-up
 441          * after each test runs.
 442          */
 443         protected function teardownGlobals() {
 444                 $this->teardownUploads();
 445
 446                 foreach ( $this->savedGlobals as $var => $val ) {
 447                         $GLOBALS[$var] = $val;
 448                 }
 449
 450                 RepoGroup::destroySingleton();
 451                 LinkCache::singleton()->clear();
 452         }
 453
 454         /**
 455          * Remove the dummy uploads directory
 456          */
 457         private function teardownUploads() {
 458                 if ( $this->keepUploads ) {
 459                         return;
 460                 }
 461
 462                 $base = $this->getBaseDir();
 463                 // delete the files first, then the dirs.
 464                 self::deleteFiles(
 465                         array(
 466                                 "$base/local-public/3/3a/Foobar.jpg",
 467                                 "$base/local-thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
 468                                 "$base/local-thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
 469                                 "$base/local-thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
 470                                 "$base/local-thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
 471                                 "$base/local-thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
 472                                 "$base/local-thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
 473                                 "$base/local-thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
 474                                 "$base/local-thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
 475                                 "$base/local-thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
 476                                 "$base/local-thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
 477                                 "$base/local-thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
 478                                 "$base/local-thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
 479                                 "$base/local-thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
 480                                 "$base/local-thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
 481
 482                                 "$base/local-public/0/09/Bad.jpg",
 483                                 "$base/local-thumb/0/09/Bad.jpg",
 484
 485                                 "$base/local-public/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
 486                         )
 487                 );
 488         }
 489
 490         /**
 491          * Delete the specified files, if they exist.
 492          * @param $files Array: full paths to files to delete.
 493          */
 494         private static function deleteFiles( $files ) {
 495                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 496                 foreach ( $files as $file ) {
 497                         $backend->delete( array( 'src' => $file ), array( 'force' => 1 ) );
 498                 }
 499                 foreach ( $files as $file ) {
 500                         $tmp = $file;
 501                         while ( $tmp = FileBackend::parentStoragePath( $tmp ) ) {
 502                                 if ( !$backend->clean( array( 'dir' => $tmp ) )->isOK() ) {
 503                                         break;
 504                                 }
 505                         }
 506                 }
 507         }
 508
 509         protected function getBaseDir() {
 510                 return 'mwstore://local-backend';
 511         }
 512
 513         public function parserTestProvider() {
 514                 if ( $this->file === false ) {
 515                         global $wgParserTestFiles;
 516                         $this->file = $wgParserTestFiles[0];
 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
 696         //Various getter functions
 697
 698         /**
 699          * Get an input dictionary from a set of parser test files
 700          */
 701         function getFuzzInput( $filenames ) {
 702                 $dict = '';
 703
 704                 foreach ( $filenames as $filename ) {
 705                         $contents = file_get_contents( $filename );
 706                         preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
 707
 708                         foreach ( $matches[1] as $match ) {
 709                                 $dict .= $match . "\n";
 710                         }
 711                 }
 712
 713                 return $dict;
 714         }
 715
 716         /**
 717          * Get a memory usage breakdown
 718          */
 719         function getMemoryBreakdown() {
 720                 $memStats = array();
 721
 722                 foreach ( $GLOBALS as $name => $value ) {
 723                         $memStats['$' . $name] = strlen( serialize( $value ) );
 724                 }
 725
 726                 $classes = get_declared_classes();
 727
 728                 foreach ( $classes as $class ) {
 729                         $rc = new ReflectionClass( $class );
 730                         $props = $rc->getStaticProperties();
 731                         $memStats[$class] = strlen( serialize( $props ) );
 732                         $methods = $rc->getMethods();
 733
 734                         foreach ( $methods as $method ) {
 735                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 736                         }
 737                 }
 738
 739                 $functions = get_defined_functions();
 740
 741                 foreach ( $functions['user'] as $function ) {
 742                         $rf = new ReflectionFunction( $function );
 743                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 744                 }
 745
 746                 asort( $memStats );
 747
 748                 return $memStats;
 749         }
 750
 751         /**
 752          * Get a Parser object
 753          */
 754         function getParser( $preprocessor = null ) {
 755                 global $wgParserConf;
 756
 757                 $class = $wgParserConf['class'];
 758                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
 759
 760                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
 761
 762                 return $parser;
 763         }
 764
 765         //Various action functions
 766
 767         public function addArticle( $name, $text, $line ) {
 768                 self::$articles[$name] = array( $text, $line );
 769         }
 770
 771         public function publishTestArticles() {
 772                 if ( empty( self::$articles ) ) {
 773                         return;
 774                 }
 775
 776                 foreach ( self::$articles as $name => $info ) {
 777                         list( $text, $line ) = $info;
 778                         ParserTest::addArticle( $name, $text, $line, 'ignoreduplicate' );
 779                 }
 780         }
 781
 782         /**
 783          * Steal a callback function from the primary parser, save it for
 784          * application to our scary parser. If the hook is not installed,
 785          * abort processing of this file.
 786          *
 787          * @param $name String
 788          * @return Bool true if tag hook is present
 789          */
 790         public function requireHook( $name ) {
 791                 global $wgParser;
 792                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 793                 return isset( $wgParser->mTagHooks[$name] );
 794         }
 795
 796         public function requireFunctionHook( $name ) {
 797                 global $wgParser;
 798                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 799                 return isset( $wgParser->mFunctionHooks[$name] );
 800         }
 801
 802         //Various "cleanup" functions
 803
 804         /**
 805          * Run the "tidy" command on text if the $wgUseTidy
 806          * global is true
 807          *
 808          * @param $text String: the text to tidy
 809          * @return String
 810          */
 811         protected function tidy( $text ) {
 812                 global $wgUseTidy;
 813
 814                 if ( $wgUseTidy ) {
 815                         $text = MWTidy::tidy( $text );
 816                 }
 817
 818                 return $text;
 819         }
 820
 821         /**
 822          * Remove last character if it is a newline
 823          */
 824         public function removeEndingNewline( $s ) {
 825                 if ( substr( $s, -1 ) === "\n" ) {
 826                         return substr( $s, 0, -1 );
 827                 } else {
 828                         return $s;
 829                 }
 830         }
 831
 832         //Test options parser functions
 833
 834         protected function parseOptions( $instring ) {
 835                 $opts = array();
 836                 // foo
 837                 // foo=bar
 838                 // foo="bar baz"
 839                 // foo=[[bar baz]]
 840                 // foo=bar,"baz quux"
 841                 $regex = '/\b
 842                         ([\w-]+)                                                # Key
 843                         \b
 844                         (?:\s*
 845                                 =                                               # First sub-value
 846                                 \s*
 847                                 (
 848                                         "
 849                                                 [^"]*                   # Quoted val
 850                                         "
 851                                 |
 852                                         \[\[
 853                                                 [^]]*                   # Link target
 854                                         \]\]
 855                                 |
 856                                         [\w-]+                          # Plain word
 857                                 )
 858                                 (?:\s*
 859                                         ,                                       # Sub-vals 1..N
 860                                         \s*
 861                                         (
 862                                                 "[^"]*"                 # Quoted val
 863                                         |
 864                                                 \[\[[^]]*\]\]   # Link target
 865                                         |
 866                                                 [\w-]+                  # Plain word
 867                                         )
 868                                 )*
 869                         )?
 870                         /x';
 871
 872                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
 873                         foreach ( $matches as $bits ) {
 874                                 array_shift( $bits );
 875                                 $key = strtolower( array_shift( $bits ) );
 876                                 if ( count( $bits ) == 0 ) {
 877                                         $opts[$key] = true;
 878                                 } elseif ( count( $bits ) == 1 ) {
 879                                         $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
 880                                 } else {
 881                                         // Array!
 882                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
 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                 return $opt;
 898         }
 899
 900         /**
 901          * Use a regex to find out the value of an option
 902          * @param $key String: name of option val to retrieve
 903          * @param $opts Options array to look in
 904          * @param $default Mixed: default value returned if not found
 905          */
 906         protected static function getOptionValue( $key, $opts, $default ) {
 907                 $key = strtolower( $key );
 908
 909                 if ( isset( $opts[$key] ) ) {
 910                         return $opts[$key];
 911                 } else {
 912                         return $default;
 913                 }
 914         }
 915 }