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
 173                 # Update certain things in site_stats
 174                 $this->db->insert( 'site_stats',
 175                         array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ),
 176                         __METHOD__
 177                 );
 178
 179                 # Reinitialise the LocalisationCache to match the database state
 180                 Language::getLocalisationCache()->unloadAll();
 181
 182                 # Clear the message cache
 183                 MessageCache::singleton()->clear();
 184
 185                 $user = User::newFromId( 0 );
 186                 LinkCache::singleton()->clear(); # Avoids the odd failure at creating the nullRevision
 187
 188                 # Upload DB table entries for files.
 189                 # We will upload the actual files later. Note that if anything causes LocalFile::load()
 190                 # to be triggered before then, it will break via maybeUpgrade() setting the fileExists
 191                 # member to false and storing it in cache.
 192                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
 193                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 194                         $image->recordUpload2(
 195                                 '', // archive name
 196                                 'Upload of some lame file',
 197                                 'Some lame file',
 198                                 array(
 199                                         'size'        => 12345,
 200                                         'width'       => 1941,
 201                                         'height'      => 220,
 202                                         'bits'        => 24,
 203                                         'media_type'  => MEDIATYPE_BITMAP,
 204                                         'mime'        => 'image/jpeg',
 205                                         'metadata'    => serialize( array() ),
 206                                         'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
 207                                         'fileExists'  => true ),
 208                                 $this->db->timestamp( '20010115123500' ), $user
 209                         );
 210                 }
 211
 212                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
 213                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
 214                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 215                         $image->recordUpload2(
 216                                 '', // archive name
 217                                 'zomgnotcensored',
 218                                 'Borderline image',
 219                                 array(
 220                                         'size'        => 12345,
 221                                         'width'       => 320,
 222                                         'height'      => 240,
 223                                         'bits'        => 24,
 224                                         'media_type'  => MEDIATYPE_BITMAP,
 225                                         'mime'        => 'image/jpeg',
 226                                         'metadata'    => serialize( array() ),
 227                                         'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
 228                                         'fileExists'  => true ),
 229                                 $this->db->timestamp( '20010115123500' ), $user
 230                         );
 231                 }
 232         }
 233
 234
 235
 236
 237         //ParserTest setup/teardown functions
 238
 239         /**
 240          * Set up the global variables for a consistent environment for each test.
 241          * Ideally this should replace the global configuration entirely.
 242          */
 243         protected function setupGlobals( $opts = '', $config = '' ) {
 244                 global $wgFileBackends;
 245                 # Find out values for some special options.
 246                 $lang =
 247                         self::getOptionValue( 'language', $opts, 'en' );
 248                 $variant =
 249                         self::getOptionValue( 'variant', $opts, false );
 250                 $maxtoclevel =
 251                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 252                 $linkHolderBatchSize =
 253                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 254
 255                 $uploadDir = $this->getUploadDir();
 256                 if ( $this->getCliArg( 'use-filebackend=' ) ) {
 257                         if ( self::$backendToUse ) {
 258                                 $backend = self::$backendToUse;
 259                         } else {
 260                                 $name = $this->getCliArg( 'use-filebackend=' );
 261                                 $useConfig = array();
 262                                 foreach ( $wgFileBackends as $conf ) {
 263                                         if ( $conf['name'] == $name ) {
 264                                                 $useConfig = $conf;
 265                                         }
 266                                 }
 267                                 $useConfig['name'] = 'local-backend'; // swap name
 268                                 $class = $conf['class'];
 269                                 self::$backendToUse = new $class( $useConfig );
 270                                 $backend = self::$backendToUse;
 271                         }
 272                 } else {
 273                         $backend = new FSFileBackend( array(
 274                                 'name'        => 'local-backend',
 275                                 'lockManager' => 'nullLockManager',
 276                                 'containerPaths' => array(
 277                                         'local-public' => "$uploadDir",
 278                                         'local-thumb'  => "$uploadDir/thumb",
 279                                 )
 280                         ) );
 281                 }
 282
 283                 $settings = array(
 284                         'wgServer' => 'http://Britney-Spears',
 285                         'wgScript' => '/index.php',
 286                         'wgScriptPath' => '/',
 287                         'wgArticlePath' => '/wiki/$1',
 288                         'wgExtensionAssetsPath' => '/extensions',
 289                         'wgActionPaths' => array(),
 290                         'wgLocalFileRepo' => array(
 291                                 'class'           => 'LocalRepo',
 292                                 'name'            => 'local',
 293                                 'url'             => 'http://example.com/images',
 294                                 'hashLevels'      => 2,
 295                                 'transformVia404' => false,
 296                                 'backend'         => $backend
 297                         ),
 298                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
 299                         'wgStylePath' => '/skins',
 300                         'wgStyleSheetPath' => '/skins',
 301                         'wgSitename' => 'MediaWiki',
 302                         'wgLanguageCode' => $lang,
 303                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'unittest_' : 'ut_',
 304                         'wgRawHtml' => isset( $opts['rawhtml'] ),
 305                         'wgLang' => null,
 306                         'wgContLang' => null,
 307                         'wgNamespacesWithSubpages' => array( 0 => isset( $opts['subpage'] ) ),
 308                         'wgMaxTocLevel' => $maxtoclevel,
 309                         'wgCapitalLinks' => true,
 310                         'wgNoFollowLinks' => true,
 311                         'wgNoFollowDomainExceptions' => array(),
 312                         'wgThumbnailScriptPath' => false,
 313                         'wgUseImageResize' => true,
 314                         'wgUseTeX' => isset( $opts['math'] ),
 315                         'wgMathDirectory' => $uploadDir . '/math',
 316                         'wgLocaltimezone' => 'UTC',
 317                         'wgAllowExternalImages' => true,
 318                         'wgUseTidy' => false,
 319                         'wgDefaultLanguageVariant' => $variant,
 320                         'wgVariantArticlePath' => false,
 321                         'wgGroupPermissions' => array( '*' => array(
 322                                 'createaccount' => true,
 323                                 'read'          => true,
 324                                 'edit'          => true,
 325                                 'createpage'    => true,
 326                                 'createtalk'    => true,
 327                         ) ),
 328                         'wgNamespaceProtection' => array( NS_MEDIAWIKI => 'editinterface' ),
 329                         'wgDefaultExternalStore' => array(),
 330                         'wgForeignFileRepos' => array(),
 331                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 332                         'wgExperimentalHtmlIds' => false,
 333                         'wgExternalLinkTarget' => false,
 334                         'wgAlwaysUseTidy' => false,
 335                         'wgHtml5' => true,
 336                         'wgWellFormedXml' => true,
 337                         'wgAllowMicrodataAttributes' => true,
 338                         'wgAdaptiveMessageCache' => true,
 339                         'wgUseDatabaseMessages' => true,
 340                 );
 341
 342                 if ( $config ) {
 343                         $configLines = explode( "\n", $config );
 344
 345                         foreach ( $configLines as $line ) {
 346                                 list( $var, $value ) = explode( '=', $line, 2 );
 347
 348                                 $settings[$var] = eval( "return $value;" ); //???
 349                         }
 350                 }
 351
 352                 $this->savedGlobals = array();
 353
 354                 /** @since 1.20 */
 355                 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
 356
 357                 foreach ( $settings as $var => $val ) {
 358                         if ( array_key_exists( $var, $GLOBALS ) ) {
 359                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 360                         }
 361
 362                         $GLOBALS[$var] = $val;
 363                 }
 364
 365                 $langObj = Language::factory( $lang );
 366                 $GLOBALS['wgContLang'] = $langObj;
 367                 $context = new RequestContext();
 368                 $GLOBALS['wgLang'] = $context->getLanguage();
 369
 370                 $GLOBALS['wgMemc'] = new EmptyBagOStuff;
 371                 $GLOBALS['wgOut'] = $context->getOutput();
 372                 $GLOBALS['wgUser'] = $context->getUser();
 373
 374                 global $wgHooks;
 375
 376                 $wgHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
 377                 $wgHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
 378
 379                 MagicWord::clearCache();
 380                 RepoGroup::destroySingleton();
 381                 FileBackendGroup::destroySingleton();
 382
 383                 # Create dummy files in storage
 384                 $this->setupUploads();
 385
 386                 # Publish the articles after we have the final language set
 387                 $this->publishTestArticles();
 388
 389                 # The entries saved into RepoGroup cache with previous globals will be wrong.
 390                 RepoGroup::destroySingleton();
 391                 FileBackendGroup::destroySingleton();
 392                 MessageCache::destroyInstance();
 393
 394                 return $context;
 395         }
 396
 397         /**
 398          * Get an FS upload directory (only applies to FSFileBackend)
 399          *
 400          * @return String: the directory
 401          */
 402         protected function getUploadDir() {
 403                 if ( $this->keepUploads ) {
 404                         $dir = wfTempDir() . '/mwParser-images';
 405
 406                         if ( is_dir( $dir ) ) {
 407                                 return $dir;
 408                         }
 409                 } else {
 410                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
 411                 }
 412
 413                 // wfDebug( "Creating upload directory $dir\n" );
 414                 if ( file_exists( $dir ) ) {
 415                         wfDebug( "Already exists!\n" );
 416                         return $dir;
 417                 }
 418
 419                 return $dir;
 420         }
 421
 422         /**
 423          * Create a dummy uploads directory which will contain a couple
 424          * of files in order to pass existence tests.
 425          *
 426          * @return String: the directory
 427          */
 428         protected function setupUploads() {
 429                 global $IP;
 430
 431                 $base = $this->getBaseDir();
 432                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 433                 $backend->prepare( array( 'dir' => "$base/local-public/3/3a" ) );
 434                 $backend->store( array(
 435                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/3/3a/Foobar.jpg"
 436                 ) );
 437                 $backend->prepare( array( 'dir' => "$base/local-public/0/09" ) );
 438                 $backend->store( array(
 439                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/0/09/Bad.jpg"
 440                 ) );
 441         }
 442
 443         /**
 444          * Restore default values and perform any necessary clean-up
 445          * after each test runs.
 446          */
 447         protected function teardownGlobals() {
 448                 $this->teardownUploads();
 449
 450                 foreach ( $this->savedGlobals as $var => $val ) {
 451                         $GLOBALS[$var] = $val;
 452                 }
 453
 454                 RepoGroup::destroySingleton();
 455                 LinkCache::singleton()->clear();
 456         }
 457
 458         /**
 459          * Remove the dummy uploads directory
 460          */
 461         private function teardownUploads() {
 462                 if ( $this->keepUploads ) {
 463                         return;
 464                 }
 465
 466                 $base = $this->getBaseDir();
 467                 // delete the files first, then the dirs.
 468                 self::deleteFiles(
 469                         array (
 470                                 "$base/local-public/3/3a/Foobar.jpg",
 471                                 "$base/local-thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
 472                                 "$base/local-thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
 473                                 "$base/local-thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
 474                                 "$base/local-thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
 475                                 "$base/local-thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
 476                                 "$base/local-thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
 477                                 "$base/local-thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
 478                                 "$base/local-thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
 479                                 "$base/local-thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
 480                                 "$base/local-thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
 481                                 "$base/local-thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
 482                                 "$base/local-thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
 483                                 "$base/local-thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
 484                                 "$base/local-thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
 485
 486                                 "$base/local-public/0/09/Bad.jpg",
 487                                 "$base/local-thumb/0/09/Bad.jpg",
 488
 489                                 "$base/local-public/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
 490                         )
 491                 );
 492         }
 493
 494         /**
 495          * Delete the specified files, if they exist.
 496          * @param $files Array: full paths to files to delete.
 497          */
 498         private static function deleteFiles( $files ) {
 499                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 500                 foreach ( $files as $file ) {
 501                         $backend->delete( array( 'src' => $file ), array( 'force' => 1 ) );
 502                 }
 503                 foreach ( $files as $file ) {
 504                         $tmp = $file;
 505                         while ( $tmp = FileBackend::parentStoragePath( $tmp ) ) {
 506                                 if ( !$backend->clean( array( 'dir' => $tmp ) )->isOK() ) {
 507                                         break;
 508                                 }
 509                         }
 510                 }
 511         }
 512
 513         protected function getBaseDir() {
 514                 return 'mwstore://local-backend';
 515         }
 516
 517         public function parserTestProvider() {
 518                 if ( $this->file === false ) {
 519                         global $wgParserTestFiles;
 520                         $this->file = $wgParserTestFiles[0];
 521                 }
 522                 return new TestFileIterator( $this->file, $this );
 523         }
 524
 525         /**
 526          * Set the file from whose tests will be run by this instance
 527          */
 528         public function setParserTestFile( $filename ) {
 529                 $this->file = $filename;
 530         }
 531
 532         /**
 533          * @group medium
 534          * @dataProvider parserTestProvider
 535          */
 536         public function testParserTest( $desc, $input, $result, $opts, $config ) {
 537                 if ( $this->regex != '' && !preg_match( '/' . $this->regex . '/', $desc ) ) {
 538                         $this->assertTrue( true ); // XXX: don't flood output with "test made no assertions"
 539                         //$this->markTestSkipped( 'Filtered out by the user' );
 540                         return;
 541                 }
 542
 543                 if ( !$this->isWikitextNS( NS_MAIN ) ) {
 544                         // parser tests frequently assume that the main namespace contains wikitext.
 545                         // @todo: When setting up pages, force the content model. Only skip if
 546                         //        $wgtContentModelUseDB is false.
 547                         $this->markTestSkipped( "Main namespace does not support wikitext,"
 548                                         . "skipping parser test: $desc" );
 549                 }
 550
 551                 wfDebug( "Running parser test: $desc\n" );
 552
 553                 $opts = $this->parseOptions( $opts );
 554                 $context = $this->setupGlobals( $opts, $config );
 555
 556                 $user = $context->getUser();
 557                 $options = ParserOptions::newFromContext( $context );
 558
 559                 if ( isset( $opts['title'] ) ) {
 560                         $titleText = $opts['title'];
 561                 }
 562                 else {
 563                         $titleText = 'Parser test';
 564                 }
 565
 566                 $local = isset( $opts['local'] );
 567                 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
 568                 $parser = $this->getParser( $preprocessor );
 569
 570                 $title = Title::newFromText( $titleText );
 571
 572                 if ( isset( $opts['pst'] ) ) {
 573                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
 574                 } elseif ( isset( $opts['msg'] ) ) {
 575                         $out = $parser->transformMsg( $input, $options, $title );
 576                 } elseif ( isset( $opts['section'] ) ) {
 577                         $section = $opts['section'];
 578                         $out = $parser->getSection( $input, $section );
 579                 } elseif ( isset( $opts['replace'] ) ) {
 580                         $section = $opts['replace'][0];
 581                         $replace = $opts['replace'][1];
 582                         $out = $parser->replaceSection( $input, $section, $replace );
 583                 } elseif ( isset( $opts['comment'] ) ) {
 584                         $out = Linker::formatComment( $input, $title, $local );
 585                 } elseif ( isset( $opts['preload'] ) ) {
 586                         $out = $parser->getpreloadText( $input, $title, $options );
 587                 } else {
 588                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
 589                         $out = $output->getText();
 590
 591                         if ( isset( $opts['showtitle'] ) ) {
 592                                 if ( $output->getTitleText() ) {
 593                                         $title = $output->getTitleText();
 594                                 }
 595
 596                                 $out = "$title\n$out";
 597                         }
 598
 599                         if ( isset( $opts['ill'] ) ) {
 600                                 $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
 601                         } elseif ( isset( $opts['cat'] ) ) {
 602                                 $outputPage = $context->getOutput();
 603                                 $outputPage->addCategoryLinks( $output->getCategories() );
 604                                 $cats = $outputPage->getCategoryLinks();
 605
 606                                 if ( isset( $cats['normal'] ) ) {
 607                                         $out = $this->tidy( implode( ' ', $cats['normal'] ) );
 608                                 } else {
 609                                         $out = '';
 610                                 }
 611                         }
 612                         $parser->mPreprocessor = null;
 613
 614                         $result = $this->tidy( $result );
 615                 }
 616
 617                 $this->teardownGlobals();
 618
 619                 $this->assertEquals( $result, $out, $desc );
 620         }
 621
 622         /**
 623          * Run a fuzz test series
 624          * Draw input from a set of test files
 625          *
 626          * @todo fixme Needs some work to not eat memory until the world explodes
 627          *
 628          * @group ParserFuzz
 629          */
 630         function testFuzzTests() {
 631                 global $wgParserTestFiles;
 632
 633                 $files = $wgParserTestFiles;
 634
 635                 if( $this->getCliArg( 'file=' ) ) {
 636                         $files = array( $this->getCliArg( 'file=' ) );
 637                 }
 638
 639                 $dict = $this->getFuzzInput( $files );
 640                 $dictSize = strlen( $dict );
 641                 $logMaxLength = log( $this->maxFuzzTestLength );
 642
 643                 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
 644
 645                 $user = new User;
 646                 $opts = ParserOptions::newFromUser( $user );
 647                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
 648
 649                 $id = 1;
 650
 651                 while ( true ) {
 652
 653                         // Generate test input
 654                         mt_srand( ++$this->fuzzSeed );
 655                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
 656                         $input = '';
 657
 658                         while ( strlen( $input ) < $totalLength ) {
 659                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
 660                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
 661                                 $offset = mt_rand( 0, $dictSize - $hairLength );
 662                                 $input .= substr( $dict, $offset, $hairLength );
 663                         }
 664
 665                         $this->setupGlobals();
 666                         $parser = $this->getParser();
 667
 668                         // Run the test
 669                         try {
 670                                 $parser->parse( $input, $title, $opts );
 671                                 $this->assertTrue( true, "Test $id, fuzz seed {$this->fuzzSeed}" );
 672                         } catch ( Exception $exception ) {
 673                                 $input_dump = sprintf( "string(%d) \"%s\"\n", strlen( $input ), $input );
 674
 675                                 $this->assertTrue( false, "Test $id, fuzz seed {$this->fuzzSeed}. \n\nInput: $input_dump\n\nError: {$exception->getMessage()}\n\nBacktrace: {$exception->getTraceAsString()}" );
 676                         }
 677
 678                         $this->teardownGlobals();
 679                         $parser->__destruct();
 680
 681                         if ( $id % 100 == 0 ) {
 682                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
 683                                 //echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
 684                                 if ( $usage > 90 ) {
 685                                         $ret = "Out of memory:\n";
 686                                         $memStats = $this->getMemoryBreakdown();
 687
 688                                         foreach ( $memStats as $name => $usage ) {
 689                                                 $ret .= "$name: $usage\n";
 690                                         }
 691
 692                                         throw new MWException( $ret );
 693                                 }
 694                         }
 695
 696                         $id++;
 697
 698                 }
 699         }
 700
 701         //Various getter functions
 702
 703         /**
 704          * Get an input dictionary from a set of parser test files
 705          */
 706         function getFuzzInput( $filenames ) {
 707                 $dict = '';
 708
 709                 foreach ( $filenames as $filename ) {
 710                         $contents = file_get_contents( $filename );
 711                         preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
 712
 713                         foreach ( $matches[1] as $match ) {
 714                                 $dict .= $match . "\n";
 715                         }
 716                 }
 717
 718                 return $dict;
 719         }
 720
 721         /**
 722          * Get a memory usage breakdown
 723          */
 724         function getMemoryBreakdown() {
 725                 $memStats = array();
 726
 727                 foreach ( $GLOBALS as $name => $value ) {
 728                         $memStats['$' . $name] = strlen( serialize( $value ) );
 729                 }
 730
 731                 $classes = get_declared_classes();
 732
 733                 foreach ( $classes as $class ) {
 734                         $rc = new ReflectionClass( $class );
 735                         $props = $rc->getStaticProperties();
 736                         $memStats[$class] = strlen( serialize( $props ) );
 737                         $methods = $rc->getMethods();
 738
 739                         foreach ( $methods as $method ) {
 740                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 741                         }
 742                 }
 743
 744                 $functions = get_defined_functions();
 745
 746                 foreach ( $functions['user'] as $function ) {
 747                         $rf = new ReflectionFunction( $function );
 748                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 749                 }
 750
 751                 asort( $memStats );
 752
 753                 return $memStats;
 754         }
 755
 756         /**
 757          * Get a Parser object
 758          */
 759         function getParser( $preprocessor = null ) {
 760                 global $wgParserConf;
 761
 762                 $class = $wgParserConf['class'];
 763                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
 764
 765                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
 766
 767                 return $parser;
 768         }
 769
 770         //Various action functions
 771
 772         public function addArticle( $name, $text, $line ) {
 773                 self::$articles[$name] = array( $text, $line );
 774         }
 775
 776         public function publishTestArticles() {
 777                 if ( empty( self::$articles ) ) {
 778                         return;
 779                 }
 780
 781                 foreach ( self::$articles as $name => $info ) {
 782                         list( $text, $line ) = $info;
 783                         ParserTest::addArticle( $name, $text, $line, 'ignoreduplicate' );
 784                 }
 785         }
 786
 787         /**
 788          * Steal a callback function from the primary parser, save it for
 789          * application to our scary parser. If the hook is not installed,
 790          * abort processing of this file.
 791          *
 792          * @param $name String
 793          * @return Bool true if tag hook is present
 794          */
 795         public function requireHook( $name ) {
 796                 global $wgParser;
 797                 $wgParser->firstCallInit( ); // make sure hooks are loaded.
 798                 return isset( $wgParser->mTagHooks[$name] );
 799         }
 800
 801         public function requireFunctionHook( $name ) {
 802                 global $wgParser;
 803                 $wgParser->firstCallInit( ); // make sure hooks are loaded.
 804                 return isset( $wgParser->mFunctionHooks[$name] );
 805         }
 806         //Various "cleanup" functions
 807
 808         /**
 809          * Run the "tidy" command on text if the $wgUseTidy
 810          * global is true
 811          *
 812          * @param $text String: the text to tidy
 813          * @return String
 814          */
 815         protected function tidy( $text ) {
 816                 global $wgUseTidy;
 817
 818                 if ( $wgUseTidy ) {
 819                         $text = MWTidy::tidy( $text );
 820                 }
 821
 822                 return $text;
 823         }
 824
 825         /**
 826          * Remove last character if it is a newline
 827          */
 828         public function removeEndingNewline( $s ) {
 829                 if ( substr( $s, -1 ) === "\n" ) {
 830                         return substr( $s, 0, -1 );
 831                 }
 832                 else {
 833                         return $s;
 834                 }
 835         }
 836
 837         //Test options parser functions
 838
 839         protected function parseOptions( $instring ) {
 840                 $opts = array();
 841                 // foo
 842                 // foo=bar
 843                 // foo="bar baz"
 844                 // foo=[[bar baz]]
 845                 // foo=bar,"baz quux"
 846                 $regex = '/\b
 847                         ([\w-]+)                                                # Key
 848                         \b
 849                         (?:\s*
 850                                 =                                               # First sub-value
 851                                 \s*
 852                                 (
 853                                         "
 854                                                 [^"]*                   # Quoted val
 855                                         "
 856                                 |
 857                                         \[\[
 858                                                 [^]]*                   # Link target
 859                                         \]\]
 860                                 |
 861                                         [\w-]+                          # Plain word
 862                                 )
 863                                 (?:\s*
 864                                         ,                                       # Sub-vals 1..N
 865                                         \s*
 866                                         (
 867                                                 "[^"]*"                 # Quoted val
 868                                         |
 869                                                 \[\[[^]]*\]\]   # Link target
 870                                         |
 871                                                 [\w-]+                  # Plain word
 872                                         )
 873                                 )*
 874                         )?
 875                         /x';
 876
 877                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
 878                         foreach ( $matches as $bits ) {
 879                                 array_shift( $bits );
 880                                 $key = strtolower( array_shift( $bits ) );
 881                                 if ( count( $bits ) == 0 ) {
 882                                         $opts[$key] = true;
 883                                 } elseif ( count( $bits ) == 1 ) {
 884                                         $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
 885                                 } else {
 886                                         // Array!
 887                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
 888                                 }
 889                         }
 890                 }
 891                 return $opts;
 892         }
 893
 894         protected function cleanupOption( $opt ) {
 895                 if ( substr( $opt, 0, 1 ) == '"' ) {
 896                         return substr( $opt, 1, -1 );
 897                 }
 898
 899                 if ( substr( $opt, 0, 2 ) == '[[' ) {
 900                         return substr( $opt, 2, -2 );
 901                 }
 902                 return $opt;
 903         }
 904
 905         /**
 906          * Use a regex to find out the value of an option
 907          * @param $key String: name of option val to retrieve
 908          * @param $opts Options array to look in
 909          * @param $default Mixed: default value returned if not found
 910          */
 911         protected static function getOptionValue( $key, $opts, $default ) {
 912                 $key = strtolower( $key );
 913
 914                 if ( isset( $opts[$key] ) ) {
 915                         return $opts[$key];
 916                 } else {
 917                         return $default;
 918                 }
 919         }
 920 }