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                 # Reinitialise the LocalisationCache to match the database state
 194                 Language::getLocalisationCache()->unloadAll();
 195
 196                 # Clear the message cache
 197                 MessageCache::singleton()->clear();
 198
 199                 $user = User::newFromId( 0 );
 200                 LinkCache::singleton()->clear(); # Avoids the odd failure at creating the nullRevision
 201
 202                 # Upload DB table entries for files.
 203                 # We will upload the actual files later. Note that if anything causes LocalFile::load()
 204                 # to be triggered before then, it will break via maybeUpgrade() setting the fileExists
 205                 # member to false and storing it in cache.
 206                 # note that the size/width/height/bits/etc of the file
 207                 # are actually set by inspecting the file itself; the arguments
 208                 # to recordUpload2 have no effect.  That said, we try to make things
 209                 # match up so it is less confusing to readers of the code & tests.
 210                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
 211                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 212                         $image->recordUpload2(
 213                                 '', // archive name
 214                                 'Upload of some lame file',
 215                                 'Some lame file',
 216                                 array(
 217                                         'size' => 7881,
 218                                         'width' => 1941,
 219                                         'height' => 220,
 220                                         'bits' => 8,
 221                                         'media_type' => MEDIATYPE_BITMAP,
 222                                         'mime' => 'image/jpeg',
 223                                         'metadata' => serialize( array() ),
 224                                         'sha1' => wfBaseConvert( '1', 16, 36, 31 ),
 225                                         'fileExists' => true ),
 226                                 $this->db->timestamp( '20010115123500' ), $user
 227                         );
 228                 }
 229
 230                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) );
 231                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 232                         $image->recordUpload2(
 233                                 '', // archive name
 234                                 'Upload of some lame thumbnail',
 235                                 'Some lame thumbnail',
 236                                 array(
 237                                         'size' => 22589,
 238                                         'width' => 135,
 239                                         'height' => 135,
 240                                         'bits' => 8,
 241                                         'media_type' => MEDIATYPE_BITMAP,
 242                                         'mime' => 'image/png',
 243                                         'metadata' => serialize( array() ),
 244                                         'sha1' => wfBaseConvert( '2', 16, 36, 31 ),
 245                                         'fileExists' => true ),
 246                                 $this->db->timestamp( '20130225203040' ), $user
 247                         );
 248                 }
 249
 250                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
 251                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
 252                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 253                         $image->recordUpload2(
 254                                 '', // archive name
 255                                 'zomgnotcensored',
 256                                 'Borderline image',
 257                                 array(
 258                                         'size' => 12345,
 259                                         'width' => 320,
 260                                         'height' => 240,
 261                                         'bits' => 24,
 262                                         'media_type' => MEDIATYPE_BITMAP,
 263                                         'mime' => 'image/jpeg',
 264                                         'metadata' => serialize( array() ),
 265                                         'sha1' => wfBaseConvert( '3', 16, 36, 31 ),
 266                                         'fileExists' => true ),
 267                                 $this->db->timestamp( '20010115123500' ), $user
 268                         );
 269                 }
 270         }
 271
 272         //ParserTest setup/teardown functions
 273
 274         /**
 275          * Set up the global variables for a consistent environment for each test.
 276          * Ideally this should replace the global configuration entirely.
 277          */
 278         protected function setupGlobals( $opts = array(), $config = '' ) {
 279                 global $wgFileBackends;
 280                 # Find out values for some special options.
 281                 $lang =
 282                         self::getOptionValue( 'language', $opts, 'en' );
 283                 $variant =
 284                         self::getOptionValue( 'variant', $opts, false );
 285                 $maxtoclevel =
 286                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 287                 $linkHolderBatchSize =
 288                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 289
 290                 $uploadDir = $this->getUploadDir();
 291                 if ( $this->getCliArg( 'use-filebackend=' ) ) {
 292                         if ( self::$backendToUse ) {
 293                                 $backend = self::$backendToUse;
 294                         } else {
 295                                 $name = $this->getCliArg( 'use-filebackend=' );
 296                                 $useConfig = array();
 297                                 foreach ( $wgFileBackends as $conf ) {
 298                                         if ( $conf['name'] == $name ) {
 299                                                 $useConfig = $conf;
 300                                         }
 301                                 }
 302                                 $useConfig['name'] = 'local-backend'; // swap name
 303                                 $class = $conf['class'];
 304                                 self::$backendToUse = new $class( $useConfig );
 305                                 $backend = self::$backendToUse;
 306                         }
 307                 } else {
 308                         $backend = new FSFileBackend( array(
 309                                 'name' => 'local-backend',
 310                                 'lockManager' => 'nullLockManager',
 311                                 'containerPaths' => array(
 312                                         'local-public' => "$uploadDir",
 313                                         'local-thumb' => "$uploadDir/thumb",
 314                                 )
 315                         ) );
 316                 }
 317
 318                 $settings = array(
 319                         'wgLocalFileRepo' => array(
 320                                 'class' => 'LocalRepo',
 321                                 'name' => 'local',
 322                                 'url' => 'http://example.com/images',
 323                                 'hashLevels' => 2,
 324                                 'transformVia404' => false,
 325                                 'backend' => $backend
 326                         ),
 327                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
 328                         'wgLanguageCode' => $lang,
 329                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'unittest_' : 'ut_',
 330                         'wgRawHtml' => isset( $opts['rawhtml'] ),
 331                         'wgNamespacesWithSubpages' => array( NS_MAIN => isset( $opts['subpage'] ) ),
 332                         'wgMaxTocLevel' => $maxtoclevel,
 333                         'wgUseTeX' => isset( $opts['math'] ),
 334                         'wgMathDirectory' => $uploadDir . '/math',
 335                         'wgDefaultLanguageVariant' => $variant,
 336                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 337                 );
 338
 339                 if ( $config ) {
 340                         $configLines = explode( "\n", $config );
 341
 342                         foreach ( $configLines as $line ) {
 343                                 list( $var, $value ) = explode( '=', $line, 2 );
 344
 345                                 $settings[$var] = eval( "return $value;" ); //???
 346                         }
 347                 }
 348
 349                 $this->savedGlobals = array();
 350
 351                 /** @since 1.20 */
 352                 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
 353
 354                 $langObj = Language::factory( $lang );
 355                 $settings['wgContLang'] = $langObj;
 356                 $settings['wgLang'] = $langObj;
 357
 358                 $context = new RequestContext();
 359                 $settings['wgOut'] = $context->getOutput();
 360                 $settings['wgUser'] = $context->getUser();
 361                 $settings['wgRequest'] = $context->getRequest();
 362
 363                 foreach ( $settings as $var => $val ) {
 364                         if ( array_key_exists( $var, $GLOBALS ) ) {
 365                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 366                         }
 367
 368                         $GLOBALS[$var] = $val;
 369                 }
 370
 371                 MagicWord::clearCache();
 372                 RepoGroup::destroySingleton();
 373                 FileBackendGroup::destroySingleton();
 374
 375                 # Create dummy files in storage
 376                 $this->setupUploads();
 377
 378                 # Publish the articles after we have the final language set
 379                 $this->publishTestArticles();
 380
 381                 # The entries saved into RepoGroup cache with previous globals will be wrong.
 382                 RepoGroup::destroySingleton();
 383                 FileBackendGroup::destroySingleton();
 384                 MessageCache::destroyInstance();
 385
 386                 return $context;
 387         }
 388
 389         /**
 390          * Get an FS upload directory (only applies to FSFileBackend)
 391          *
 392          * @return String: the directory
 393          */
 394         protected function getUploadDir() {
 395                 if ( $this->keepUploads ) {
 396                         $dir = wfTempDir() . '/mwParser-images';
 397
 398                         if ( is_dir( $dir ) ) {
 399                                 return $dir;
 400                         }
 401                 } else {
 402                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
 403                 }
 404
 405                 // wfDebug( "Creating upload directory $dir\n" );
 406                 if ( file_exists( $dir ) ) {
 407                         wfDebug( "Already exists!\n" );
 408
 409                         return $dir;
 410                 }
 411
 412                 return $dir;
 413         }
 414
 415         /**
 416          * Create a dummy uploads directory which will contain a couple
 417          * of files in order to pass existence tests.
 418          *
 419          * @return String: the directory
 420          */
 421         protected function setupUploads() {
 422                 global $IP;
 423
 424                 $base = $this->getBaseDir();
 425                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 426                 $backend->prepare( array( 'dir' => "$base/local-public/3/3a" ) );
 427                 $backend->store( array(
 428                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/3/3a/Foobar.jpg"
 429                 ) );
 430                 $backend->prepare( array( 'dir' => "$base/local-public/e/ea" ) );
 431                 $backend->store( array(
 432                         'src' => "$IP/skins/monobook/wiki.png", 'dst' => "$base/local-public/e/ea/Thumb.png"
 433                 ) );
 434                 $backend->prepare( array( 'dir' => "$base/local-public/0/09" ) );
 435                 $backend->store( array(
 436                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/0/09/Bad.jpg"
 437                 ) );
 438         }
 439
 440         /**
 441          * Restore default values and perform any necessary clean-up
 442          * after each test runs.
 443          */
 444         protected function teardownGlobals() {
 445                 $this->teardownUploads();
 446
 447                 foreach ( $this->savedGlobals as $var => $val ) {
 448                         $GLOBALS[$var] = $val;
 449                 }
 450
 451                 RepoGroup::destroySingleton();
 452                 LinkCache::singleton()->clear();
 453         }
 454
 455         /**
 456          * Remove the dummy uploads directory
 457          */
 458         private function teardownUploads() {
 459                 if ( $this->keepUploads ) {
 460                         return;
 461                 }
 462
 463                 $base = $this->getBaseDir();
 464                 // delete the files first, then the dirs.
 465                 self::deleteFiles(
 466                         array(
 467                                 "$base/local-public/3/3a/Foobar.jpg",
 468                                 "$base/local-thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
 469                                 "$base/local-thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
 470                                 "$base/local-thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
 471                                 "$base/local-thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
 472                                 "$base/local-thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
 473                                 "$base/local-thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
 474                                 "$base/local-thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
 475                                 "$base/local-thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
 476                                 "$base/local-thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
 477                                 "$base/local-thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
 478                                 "$base/local-thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
 479                                 "$base/local-thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
 480                                 "$base/local-thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
 481                                 "$base/local-thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
 482
 483                                 "$base/local-public/e/ea/Thumb.png",
 484
 485                                 "$base/local-public/0/09/Bad.jpg",
 486
 487                                 "$base/local-public/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
 488                         )
 489                 );
 490         }
 491
 492         /**
 493          * Delete the specified files, if they exist.
 494          * @param $files Array: full paths to files to delete.
 495          */
 496         private static function deleteFiles( $files ) {
 497                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 498                 foreach ( $files as $file ) {
 499                         $backend->delete( array( 'src' => $file ), array( 'force' => 1 ) );
 500                 }
 501                 foreach ( $files as $file ) {
 502                         $tmp = $file;
 503                         while ( $tmp = FileBackend::parentStoragePath( $tmp ) ) {
 504                                 if ( !$backend->clean( array( 'dir' => $tmp ) )->isOK() ) {
 505                                         break;
 506                                 }
 507                         }
 508                 }
 509         }
 510
 511         protected function getBaseDir() {
 512                 return 'mwstore://local-backend';
 513         }
 514
 515         public function parserTestProvider() {
 516                 if ( $this->file === false ) {
 517                         global $wgParserTestFiles;
 518                         $this->file = $wgParserTestFiles[0];
 519                 }
 520
 521                 return new TestFileIterator( $this->file, $this );
 522         }
 523
 524         /**
 525          * Set the file from whose tests will be run by this instance
 526          */
 527         public function setParserTestFile( $filename ) {
 528                 $this->file = $filename;
 529         }
 530
 531         /**
 532          * @group medium
 533          * @dataProvider parserTestProvider
 534          */
 535         public function testParserTest( $desc, $input, $result, $opts, $config ) {
 536                 if ( $this->regex != '' && !preg_match( '/' . $this->regex . '/', $desc ) ) {
 537                         $this->assertTrue( true ); // XXX: don't flood output with "test made no assertions"
 538                         //$this->markTestSkipped( 'Filtered out by the user' );
 539                         return;
 540                 }
 541
 542                 if ( !$this->isWikitextNS( NS_MAIN ) ) {
 543                         // parser tests frequently assume that the main namespace contains wikitext.
 544                         // @todo: When setting up pages, force the content model. Only skip if
 545                         //        $wgtContentModelUseDB is false.
 546                         $this->markTestSkipped( "Main namespace does not support wikitext,"
 547                                 . "skipping parser test: $desc" );
 548                 }
 549
 550                 wfDebug( "Running parser test: $desc\n" );
 551
 552                 $opts = $this->parseOptions( $opts );
 553                 $context = $this->setupGlobals( $opts, $config );
 554
 555                 $user = $context->getUser();
 556                 $options = ParserOptions::newFromContext( $context );
 557
 558                 if ( isset( $opts['title'] ) ) {
 559                         $titleText = $opts['title'];
 560                 } else {
 561                         $titleText = 'Parser test';
 562                 }
 563
 564                 $local = isset( $opts['local'] );
 565                 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
 566                 $parser = $this->getParser( $preprocessor );
 567
 568                 $title = Title::newFromText( $titleText );
 569
 570                 if ( isset( $opts['pst'] ) ) {
 571                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
 572                 } elseif ( isset( $opts['msg'] ) ) {
 573                         $out = $parser->transformMsg( $input, $options, $title );
 574                 } elseif ( isset( $opts['section'] ) ) {
 575                         $section = $opts['section'];
 576                         $out = $parser->getSection( $input, $section );
 577                 } elseif ( isset( $opts['replace'] ) ) {
 578                         $section = $opts['replace'][0];
 579                         $replace = $opts['replace'][1];
 580                         $out = $parser->replaceSection( $input, $section, $replace );
 581                 } elseif ( isset( $opts['comment'] ) ) {
 582                         $out = Linker::formatComment( $input, $title, $local );
 583                 } elseif ( isset( $opts['preload'] ) ) {
 584                         $out = $parser->getPreloadText( $input, $title, $options );
 585                 } else {
 586                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
 587                         $out = $output->getText();
 588
 589                         if ( isset( $opts['showtitle'] ) ) {
 590                                 if ( $output->getTitleText() ) {
 591                                         $title = $output->getTitleText();
 592                                 }
 593
 594                                 $out = "$title\n$out";
 595                         }
 596
 597                         if ( isset( $opts['ill'] ) ) {
 598                                 $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
 599                         } elseif ( isset( $opts['cat'] ) ) {
 600                                 $outputPage = $context->getOutput();
 601                                 $outputPage->addCategoryLinks( $output->getCategories() );
 602                                 $cats = $outputPage->getCategoryLinks();
 603
 604                                 if ( isset( $cats['normal'] ) ) {
 605                                         $out = $this->tidy( implode( ' ', $cats['normal'] ) );
 606                                 } else {
 607                                         $out = '';
 608                                 }
 609                         }
 610                         $parser->mPreprocessor = null;
 611
 612                         $result = $this->tidy( $result );
 613                 }
 614
 615                 $this->teardownGlobals();
 616
 617                 $this->assertEquals( $result, $out, $desc );
 618         }
 619
 620         /**
 621          * Run a fuzz test series
 622          * Draw input from a set of test files
 623          *
 624          * @todo fixme Needs some work to not eat memory until the world explodes
 625          *
 626          * @group ParserFuzz
 627          */
 628         function testFuzzTests() {
 629                 global $wgParserTestFiles;
 630
 631                 $files = $wgParserTestFiles;
 632
 633                 if ( $this->getCliArg( 'file=' ) ) {
 634                         $files = array( $this->getCliArg( 'file=' ) );
 635                 }
 636
 637                 $dict = $this->getFuzzInput( $files );
 638                 $dictSize = strlen( $dict );
 639                 $logMaxLength = log( $this->maxFuzzTestLength );
 640
 641                 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
 642
 643                 $user = new User;
 644                 $opts = ParserOptions::newFromUser( $user );
 645                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
 646
 647                 $id = 1;
 648
 649                 while ( true ) {
 650
 651                         // Generate test input
 652                         mt_srand( ++$this->fuzzSeed );
 653                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
 654                         $input = '';
 655
 656                         while ( strlen( $input ) < $totalLength ) {
 657                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
 658                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
 659                                 $offset = mt_rand( 0, $dictSize - $hairLength );
 660                                 $input .= substr( $dict, $offset, $hairLength );
 661                         }
 662
 663                         $this->setupGlobals();
 664                         $parser = $this->getParser();
 665
 666                         // Run the test
 667                         try {
 668                                 $parser->parse( $input, $title, $opts );
 669                                 $this->assertTrue( true, "Test $id, fuzz seed {$this->fuzzSeed}" );
 670                         } catch ( Exception $exception ) {
 671                                 $input_dump = sprintf( "string(%d) \"%s\"\n", strlen( $input ), $input );
 672
 673                                 $this->assertTrue( false, "Test $id, fuzz seed {$this->fuzzSeed}. \n\nInput: $input_dump\n\nError: {$exception->getMessage()}\n\nBacktrace: {$exception->getTraceAsString()}" );
 674                         }
 675
 676                         $this->teardownGlobals();
 677                         $parser->__destruct();
 678
 679                         if ( $id % 100 == 0 ) {
 680                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
 681                                 //echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
 682                                 if ( $usage > 90 ) {
 683                                         $ret = "Out of memory:\n";
 684                                         $memStats = $this->getMemoryBreakdown();
 685
 686                                         foreach ( $memStats as $name => $usage ) {
 687                                                 $ret .= "$name: $usage\n";
 688                                         }
 689
 690                                         throw new MWException( $ret );
 691                                 }
 692                         }
 693
 694                         $id++;
 695                 }
 696         }
 697
 698         //Various getter functions
 699
 700         /**
 701          * Get an input dictionary from a set of parser test files
 702          */
 703         function getFuzzInput( $filenames ) {
 704                 $dict = '';
 705
 706                 foreach ( $filenames as $filename ) {
 707                         $contents = file_get_contents( $filename );
 708                         preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
 709
 710                         foreach ( $matches[1] as $match ) {
 711                                 $dict .= $match . "\n";
 712                         }
 713                 }
 714
 715                 return $dict;
 716         }
 717
 718         /**
 719          * Get a memory usage breakdown
 720          */
 721         function getMemoryBreakdown() {
 722                 $memStats = array();
 723
 724                 foreach ( $GLOBALS as $name => $value ) {
 725                         $memStats['$' . $name] = strlen( serialize( $value ) );
 726                 }
 727
 728                 $classes = get_declared_classes();
 729
 730                 foreach ( $classes as $class ) {
 731                         $rc = new ReflectionClass( $class );
 732                         $props = $rc->getStaticProperties();
 733                         $memStats[$class] = strlen( serialize( $props ) );
 734                         $methods = $rc->getMethods();
 735
 736                         foreach ( $methods as $method ) {
 737                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 738                         }
 739                 }
 740
 741                 $functions = get_defined_functions();
 742
 743                 foreach ( $functions['user'] as $function ) {
 744                         $rf = new ReflectionFunction( $function );
 745                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 746                 }
 747
 748                 asort( $memStats );
 749
 750                 return $memStats;
 751         }
 752
 753         /**
 754          * Get a Parser object
 755          */
 756         function getParser( $preprocessor = null ) {
 757                 global $wgParserConf;
 758
 759                 $class = $wgParserConf['class'];
 760                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
 761
 762                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
 763
 764                 return $parser;
 765         }
 766
 767         //Various action functions
 768
 769         public function addArticle( $name, $text, $line ) {
 770                 self::$articles[$name] = array( $text, $line );
 771         }
 772
 773         public function publishTestArticles() {
 774                 if ( empty( self::$articles ) ) {
 775                         return;
 776                 }
 777
 778                 foreach ( self::$articles as $name => $info ) {
 779                         list( $text, $line ) = $info;
 780                         ParserTest::addArticle( $name, $text, $line, 'ignoreduplicate' );
 781                 }
 782         }
 783
 784         /**
 785          * Steal a callback function from the primary parser, save it for
 786          * application to our scary parser. If the hook is not installed,
 787          * abort processing of this file.
 788          *
 789          * @param $name String
 790          * @return Bool true if tag hook is present
 791          */
 792         public function requireHook( $name ) {
 793                 global $wgParser;
 794                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 795                 return isset( $wgParser->mTagHooks[$name] );
 796         }
 797
 798         public function requireFunctionHook( $name ) {
 799                 global $wgParser;
 800                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 801                 return isset( $wgParser->mFunctionHooks[$name] );
 802         }
 803
 804         //Various "cleanup" functions
 805
 806         /**
 807          * Run the "tidy" command on text if the $wgUseTidy
 808          * global is true
 809          *
 810          * @param $text String: the text to tidy
 811          * @return String
 812          */
 813         protected function tidy( $text ) {
 814                 global $wgUseTidy;
 815
 816                 if ( $wgUseTidy ) {
 817                         $text = MWTidy::tidy( $text );
 818                 }
 819
 820                 return $text;
 821         }
 822
 823         /**
 824          * Remove last character if it is a newline
 825          */
 826         public function removeEndingNewline( $s ) {
 827                 if ( substr( $s, -1 ) === "\n" ) {
 828                         return substr( $s, 0, -1 );
 829                 } else {
 830                         return $s;
 831                 }
 832         }
 833
 834         //Test options parser functions
 835
 836         protected function parseOptions( $instring ) {
 837                 $opts = array();
 838                 // foo
 839                 // foo=bar
 840                 // foo="bar baz"
 841                 // foo=[[bar baz]]
 842                 // foo=bar,"baz quux"
 843                 $regex = '/\b
 844                         ([\w-]+)                                                # Key
 845                         \b
 846                         (?:\s*
 847                                 =                                               # First sub-value
 848                                 \s*
 849                                 (
 850                                         "
 851                                                 [^"]*                   # Quoted val
 852                                         "
 853                                 |
 854                                         \[\[
 855                                                 [^]]*                   # Link target
 856                                         \]\]
 857                                 |
 858                                         [\w-]+                          # Plain word
 859                                 )
 860                                 (?:\s*
 861                                         ,                                       # Sub-vals 1..N
 862                                         \s*
 863                                         (
 864                                                 "[^"]*"                 # Quoted val
 865                                         |
 866                                                 \[\[[^]]*\]\]   # Link target
 867                                         |
 868                                                 [\w-]+                  # Plain word
 869                                         )
 870                                 )*
 871                         )?
 872                         /x';
 873
 874                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
 875                         foreach ( $matches as $bits ) {
 876                                 array_shift( $bits );
 877                                 $key = strtolower( array_shift( $bits ) );
 878                                 if ( count( $bits ) == 0 ) {
 879                                         $opts[$key] = true;
 880                                 } elseif ( count( $bits ) == 1 ) {
 881                                         $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
 882                                 } else {
 883                                         // Array!
 884                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
 885                                 }
 886                         }
 887                 }
 888
 889                 return $opts;
 890         }
 891
 892         protected function cleanupOption( $opt ) {
 893                 if ( substr( $opt, 0, 1 ) == '"' ) {
 894                         return substr( $opt, 1, -1 );
 895                 }
 896
 897                 if ( substr( $opt, 0, 2 ) == '[[' ) {
 898                         return substr( $opt, 2, -2 );
 899                 }
 900
 901                 return $opt;
 902         }
 903
 904         /**
 905          * Use a regex to find out the value of an option
 906          * @param $key String: name of option val to retrieve
 907          * @param $opts Options array to look in
 908          * @param $default Mixed: default value returned if not found
 909          */
 910         protected static function getOptionValue( $key, $opts, $default ) {
 911                 $key = strtolower( $key );
 912
 913                 if ( isset( $opts[$key] ) ) {
 914                         return $opts[$key];
 915                 } else {
 916                         return $default;
 917                 }
 918         }
 919 }