tests/phpunit/includes/parser/NewParserTest.php

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