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