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
  12         static protected $articles = array();   // Array of test articles defined by the tests
  13         /* The dataProvider is run on a different instance than the test, so it must be static
  14          * When running tests from several files, all tests will see all articles.
  15          */
  16
  17         public $uploadDir;
  18         public $keepUploads = false;
  19         public $runDisabled = false;
  20         public $regex = '';
  21         public $showProgress = true;
  22         public $savedInitialGlobals = array();
  23         public $savedWeirdGlobals = array();
  24         public $savedGlobals = array();
  25         public $hooks = array();
  26         public $functionHooks = array();
  27
  28         //Fuzz test
  29         public $maxFuzzTestLength = 300;
  30         public $fuzzSeed = 0;
  31         public $memoryLimit = 50;
  32
  33         protected $file = false;
  34
  35         /*function __construct($a = null,$b = array(),$c = null ) {
  36                 parent::__construct($a,$b,$c);
  37         }*/
  38
  39         function setUp() {
  40                 global $wgContLang, $wgNamespaceProtection, $wgNamespaceAliases;
  41                 global $wgHooks, $IP;
  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                         'directory' => wfTempDir() . '/test-repo',
  66                         'url' => 'http://example.com/images',
  67                         'deletedDir' => wfTempDir() . '/test-repo/delete',
  68                         'hashLevels' => 2,
  69                         'transformVia404' => false,
  70                 );
  71
  72                 $tmpGlobals['wgEnableParserCache'] = false;
  73                 $tmpGlobals['wgHooks'] = $wgHooks;
  74                 $tmpGlobals['wgDeferredUpdateList'] = array();
  75                 $tmpGlobals['wgMemc'] = wfGetMainCache();
  76                 $tmpGlobals['messageMemc'] = wfGetMessageCacheStorage();
  77                 $tmpGlobals['parserMemc'] = wfGetParserCacheStorage();
  78
  79                 // $tmpGlobals['wgContLang'] = new StubContLang;
  80                 $tmpGlobals['wgUser'] = new User;
  81                 $context = new RequestContext();
  82                 $tmpGlobals['wgLang'] = $context->getLang();
  83                 $tmpGlobals['wgOut'] = $context->getOutput();
  84                 $tmpGlobals['wgParser'] = new StubObject( 'wgParser', $GLOBALS['wgParserConf']['class'], array( $GLOBALS['wgParserConf'] ) );
  85                 $tmpGlobals['wgRequest'] = new WebRequest;
  86
  87                 if ( $GLOBALS['wgStyleDirectory'] === false ) {
  88                         $tmpGlobals['wgStyleDirectory'] = "$IP/skins";
  89                 }
  90
  91
  92                 foreach ( $tmpGlobals as $var => $val ) {
  93                         if ( array_key_exists( $var, $GLOBALS ) ) {
  94                                 $this->savedInitialGlobals[$var] = $GLOBALS[$var];
  95                         }
  96
  97                         $GLOBALS[$var] = $val;
  98                 }
  99
 100                 $this->savedWeirdGlobals['mw_namespace_protection'] = $wgNamespaceProtection[NS_MEDIAWIKI];
 101                 $this->savedWeirdGlobals['image_alias'] = $wgNamespaceAliases['Image'];
 102                 $this->savedWeirdGlobals['image_talk_alias'] = $wgNamespaceAliases['Image_talk'];
 103
 104                 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
 105                 $wgNamespaceAliases['Image'] = NS_FILE;
 106                 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 107
 108         }
 109
 110         public function tearDown() {
 111
 112                 foreach ( $this->savedInitialGlobals as $var => $val ) {
 113                         $GLOBALS[$var] = $val;
 114                 }
 115
 116                 global $wgNamespaceProtection, $wgNamespaceAliases;
 117
 118                 $wgNamespaceProtection[NS_MEDIAWIKI] = $this->savedWeirdGlobals['mw_namespace_protection'];
 119                 $wgNamespaceAliases['Image'] = $this->savedWeirdGlobals['image_alias'];
 120                 $wgNamespaceAliases['Image_talk'] = $this->savedWeirdGlobals['image_talk_alias'];
 121         }
 122
 123         function addDBData() {
 124                 # Hack: insert a few Wikipedia in-project interwiki prefixes,
 125                 # for testing inter-language links
 126                 $this->db->insert( 'interwiki', array(
 127                         array( 'iw_prefix' => 'wikipedia',
 128                                    'iw_url'    => 'http://en.wikipedia.org/wiki/$1',
 129                                    'iw_api'    => '',
 130                                    'iw_wikiid' => '',
 131                                    'iw_local'  => 0 ),
 132                         array( 'iw_prefix' => 'meatball',
 133                                    'iw_url'    => 'http://www.usemod.com/cgi-bin/mb.pl?$1',
 134                                    'iw_api'    => '',
 135                                    'iw_wikiid' => '',
 136                                    'iw_local'  => 0 ),
 137                         array( 'iw_prefix' => 'zh',
 138                                    'iw_url'    => 'http://zh.wikipedia.org/wiki/$1',
 139                                    'iw_api'    => '',
 140                                    'iw_wikiid' => '',
 141                                    'iw_local'  => 1 ),
 142                         array( 'iw_prefix' => 'es',
 143                                    'iw_url'    => 'http://es.wikipedia.org/wiki/$1',
 144                                    'iw_api'    => '',
 145                                    'iw_wikiid' => '',
 146                                    'iw_local'  => 1 ),
 147                         array( 'iw_prefix' => 'fr',
 148                                    'iw_url'    => 'http://fr.wikipedia.org/wiki/$1',
 149                                    'iw_api'    => '',
 150                                    'iw_wikiid' => '',
 151                                    'iw_local'  => 1 ),
 152                         array( 'iw_prefix' => 'ru',
 153                                    'iw_url'    => 'http://ru.wikipedia.org/wiki/$1',
 154                                    'iw_api'    => '',
 155                                    'iw_wikiid' => '',
 156                                    'iw_local'  => 1 ),
 157                         /**
 158                          * @todo Fixme! Why are we inserting duplicate data here? Shouldn't
 159                          * need this IGNORE or shouldn't need the insert at all.
 160                          */
 161                         ), __METHOD__, array( 'IGNORE' ) );
 162
 163
 164                 # Update certain things in site_stats
 165                 $this->db->insert( 'site_stats',
 166                         array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ),
 167                         __METHOD__,
 168                         /**
 169                          * @todo Fixme! Same as above!
 170                          */
 171                         array( 'IGNORE' )
 172                 );
 173
 174                 # Reinitialise the LocalisationCache to match the database state
 175                 Language::getLocalisationCache()->unloadAll();
 176
 177                 # Clear the message cache
 178                 MessageCache::singleton()->clear();
 179
 180                 $this->uploadDir = $this->setupUploadDir();
 181
 182                 $user = User::newFromId( 0 );
 183                 LinkCache::singleton()->clear(); # Avoids the odd failure at creating the nullRevision
 184
 185                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
 186                 $image->recordUpload2( '', 'Upload of some lame file', 'Some lame file', array(
 187                         'size'        => 12345,
 188                         'width'       => 1941,
 189                         'height'      => 220,
 190                         'bits'        => 24,
 191                         'media_type'  => MEDIATYPE_BITMAP,
 192                         'mime'        => 'image/jpeg',
 193                         'metadata'    => serialize( array() ),
 194                         'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
 195                         'fileExists'  => true
 196                         ), $this->db->timestamp( '20010115123500' ), $user );
 197
 198                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
 199                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
 200                 $image->recordUpload2( '', 'zomgnotcensored', 'Borderline image', array(
 201                         'size'        => 12345,
 202                         'width'       => 320,
 203                         'height'      => 240,
 204                         'bits'        => 24,
 205                         'media_type'  => MEDIATYPE_BITMAP,
 206                         'mime'        => 'image/jpeg',
 207                         'metadata'    => serialize( array() ),
 208                         'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
 209                         'fileExists'  => true
 210                         ), $this->db->timestamp( '20010115123500' ), $user );
 211
 212         }
 213
 214
 215
 216
 217         //ParserTest setup/teardown functions
 218
 219         /**
 220          * Set up the global variables for a consistent environment for each test.
 221          * Ideally this should replace the global configuration entirely.
 222          */
 223         protected function setupGlobals( $opts = '', $config = '' ) {
 224                 # Find out values for some special options.
 225                 $lang =
 226                         self::getOptionValue( 'language', $opts, 'en' );
 227                 $variant =
 228                         self::getOptionValue( 'variant', $opts, false );
 229                 $maxtoclevel =
 230                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 231                 $linkHolderBatchSize =
 232                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 233
 234                 $settings = array(
 235                         'wgServer' => 'http://Britney-Spears',
 236                         'wgScript' => '/index.php',
 237                         'wgScriptPath' => '/',
 238                         'wgArticlePath' => '/wiki/$1',
 239                         'wgActionPaths' => array(),
 240                         'wgLocalFileRepo' => array(
 241                                 'class' => 'LocalRepo',
 242                                 'name' => 'local',
 243                                 'directory' => $this->uploadDir,
 244                                 'url' => 'http://example.com/images',
 245                                 'hashLevels' => 2,
 246                                 'transformVia404' => false,
 247                         ),
 248                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
 249                         'wgStylePath' => '/skins',
 250                         'wgStyleSheetPath' => '/skins',
 251                         'wgSitename' => 'MediaWiki',
 252                         'wgLanguageCode' => $lang,
 253                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'unittest_' : 'ut_',
 254                         'wgRawHtml' => isset( $opts['rawhtml'] ),
 255                         'wgLang' => null,
 256                         'wgContLang' => null,
 257                         'wgNamespacesWithSubpages' => array( 0 => isset( $opts['subpage'] ) ),
 258                         'wgMaxTocLevel' => $maxtoclevel,
 259                         'wgCapitalLinks' => true,
 260                         'wgNoFollowLinks' => true,
 261                         'wgNoFollowDomainExceptions' => array(),
 262                         'wgThumbnailScriptPath' => false,
 263                         'wgUseImageResize' => false,
 264                         'wgUseTeX' => isset( $opts['math'] ),
 265                         'wgMathDirectory' => $this->uploadDir . '/math',
 266                         'wgLocaltimezone' => 'UTC',
 267                         'wgAllowExternalImages' => true,
 268                         'wgUseTidy' => false,
 269                         'wgDefaultLanguageVariant' => $variant,
 270                         'wgVariantArticlePath' => false,
 271                         'wgGroupPermissions' => array( '*' => array(
 272                                 'createaccount' => true,
 273                                 'read'          => true,
 274                                 'edit'          => true,
 275                                 'createpage'    => true,
 276                                 'createtalk'    => true,
 277                         ) ),
 278                         'wgNamespaceProtection' => array( NS_MEDIAWIKI => 'editinterface' ),
 279                         'wgDefaultExternalStore' => array(),
 280                         'wgForeignFileRepos' => array(),
 281                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 282                         'wgExperimentalHtmlIds' => false,
 283                         'wgExternalLinkTarget' => false,
 284                         'wgAlwaysUseTidy' => false,
 285                         'wgHtml5' => true,
 286                         'wgWellFormedXml' => true,
 287                         'wgAllowMicrodataAttributes' => true,
 288                         'wgAdaptiveMessageCache' => true,
 289                         'wgUseDatabaseMessages' => true,
 290                 );
 291
 292                 if ( $config ) {
 293                         $configLines = explode( "\n", $config );
 294
 295                         foreach ( $configLines as $line ) {
 296                                 list( $var, $value ) = explode( '=', $line, 2 );
 297
 298                                 $settings[$var] = eval( "return $value;" ); //???
 299                         }
 300                 }
 301
 302                 $this->savedGlobals = array();
 303
 304                 foreach ( $settings as $var => $val ) {
 305                         if ( array_key_exists( $var, $GLOBALS ) ) {
 306                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 307                         }
 308
 309                         $GLOBALS[$var] = $val;
 310                 }
 311
 312                 $langObj = Language::factory( $lang );
 313                 $GLOBALS['wgContLang'] = $langObj;
 314                 $context = new RequestContext();
 315                 $GLOBALS['wgLang'] = $context->getLang();
 316
 317                 $GLOBALS['wgMemc'] = new EmptyBagOStuff;
 318                 $GLOBALS['wgOut'] = $context->getOutput();
 319
 320                 global $wgHooks;
 321
 322                 $wgHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
 323                 $wgHooks['ParserTestParser'][] = 'ParserTestStaticParserHook::setup';
 324                 $wgHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
 325
 326                 MagicWord::clearCache();
 327
 328                 # Publish the articles after we have the final language set
 329                 $this->publishTestArticles();
 330
 331                 # The entries saved into RepoGroup cache with previous globals will be wrong.
 332                 RepoGroup::destroySingleton();
 333                 MessageCache::singleton()->destroyInstance();
 334
 335                 global $wgUser;
 336                 $wgUser = new User();
 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         /**
 373          * Restore default values and perform any necessary clean-up
 374          * after each test runs.
 375          */
 376         protected function teardownGlobals() {
 377                 RepoGroup::destroySingleton();
 378                 LinkCache::singleton()->clear();
 379
 380                 foreach ( $this->savedGlobals as $var => $val ) {
 381                         $GLOBALS[$var] = $val;
 382                 }
 383
 384                 $this->teardownUploadDir( $this->uploadDir );
 385         }
 386
 387         /**
 388          * Remove the dummy uploads directory
 389          */
 390         private function teardownUploadDir( $dir ) {
 391                 if ( $this->keepUploads ) {
 392                         return;
 393                 }
 394
 395                 // delete the files first, then the dirs.
 396                 self::deleteFiles(
 397                         array (
 398                                 "$dir/3/3a/Foobar.jpg",
 399                                 "$dir/thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
 400                                 "$dir/thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
 401                                 "$dir/thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
 402                                 "$dir/thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
 403
 404                                 "$dir/0/09/Bad.jpg",
 405
 406                                 "$dir/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
 407                         )
 408                 );
 409
 410                 self::deleteDirs(
 411                         array (
 412                                 "$dir/3/3a",
 413                                 "$dir/3",
 414                                 "$dir/thumb/6/65",
 415                                 "$dir/thumb/6",
 416                                 "$dir/thumb/3/3a/Foobar.jpg",
 417                                 "$dir/thumb/3/3a",
 418                                 "$dir/thumb/3",
 419
 420                                 "$dir/0/09/",
 421                                 "$dir/0/",
 422                                 "$dir/thumb",
 423                                 "$dir/math/f/a/5",
 424                                 "$dir/math/f/a",
 425                                 "$dir/math/f",
 426                                 "$dir/math",
 427                                 "$dir",
 428                         )
 429                 );
 430         }
 431
 432         /**
 433          * Delete the specified files, if they exist.
 434          * @param $files Array: full paths to files to delete.
 435          */
 436         private static function deleteFiles( $files ) {
 437                 foreach ( $files as $file ) {
 438                         if ( file_exists( $file ) ) {
 439                                 unlink( $file );
 440                         }
 441                 }
 442         }
 443
 444         /**
 445          * Delete the specified directories, if they exist. Must be empty.
 446          * @param $dirs Array: full paths to directories to delete.
 447          */
 448         private static function deleteDirs( $dirs ) {
 449                 foreach ( $dirs as $dir ) {
 450                         if ( is_dir( $dir ) ) {
 451                                 rmdir( $dir );
 452                         }
 453                 }
 454         }
 455
 456         public function parserTestProvider() {
 457                 if ( $this->file === false ) {
 458                         global $wgParserTestFiles;
 459                         $this->file = $wgParserTestFiles[0];
 460                 }
 461                 return new TestFileIterator( $this->file, $this );
 462         }
 463
 464         /**
 465          * Set the file from whose tests will be run by this instance
 466          */
 467         public function setParserTestFile( $filename ) {
 468                 $this->file = $filename;
 469         }
 470
 471         /** @dataProvider parserTestProvider */
 472         public function testParserTest( $desc, $input, $result, $opts, $config ) {
 473                 if ( !preg_match( '/' . $this->regex . '/', $desc ) ) return; //$this->markTestSkipped( 'Filtered out by the user' );
 474
 475                 wfDebug( "Running parser test: $desc\n" );
 476
 477                 $opts = $this->parseOptions( $opts );
 478                 $this->setupGlobals( $opts, $config );
 479
 480                 $user = new User();
 481                 $options = ParserOptions::newFromUser( $user );
 482
 483                 if ( isset( $opts['title'] ) ) {
 484                         $titleText = $opts['title'];
 485                 }
 486                 else {
 487                         $titleText = 'Parser test';
 488                 }
 489
 490                 $local = isset( $opts['local'] );
 491                 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
 492                 $parser = $this->getParser( $preprocessor );
 493
 494                 $title = Title::newFromText( $titleText );
 495
 496                 if ( isset( $opts['pst'] ) ) {
 497                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
 498                 } elseif ( isset( $opts['msg'] ) ) {
 499                         $out = $parser->transformMsg( $input, $options );
 500                 } elseif ( isset( $opts['section'] ) ) {
 501                         $section = $opts['section'];
 502                         $out = $parser->getSection( $input, $section );
 503                 } elseif ( isset( $opts['replace'] ) ) {
 504                         $section = $opts['replace'][0];
 505                         $replace = $opts['replace'][1];
 506                         $out = $parser->replaceSection( $input, $section, $replace );
 507                 } elseif ( isset( $opts['comment'] ) ) {
 508                         $linker = $user->getSkin();
 509                         $out = $linker->formatComment( $input, $title, $local );
 510                 } elseif ( isset( $opts['preload'] ) ) {
 511                         $out = $parser->getpreloadText( $input, $title, $options );
 512                 } else {
 513                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
 514                         $out = $output->getText();
 515
 516                         if ( isset( $opts['showtitle'] ) ) {
 517                                 if ( $output->getTitleText() ) {
 518                                         $title = $output->getTitleText();
 519                                 }
 520
 521                                 $out = "$title\n$out";
 522                         }
 523
 524                         if ( isset( $opts['ill'] ) ) {
 525                                 $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
 526                         } elseif ( isset( $opts['cat'] ) ) {
 527                                 global $wgOut;
 528
 529                                 $wgOut->addCategoryLinks( $output->getCategories() );
 530                                 $cats = $wgOut->getCategoryLinks();
 531
 532                                 if ( isset( $cats['normal'] ) ) {
 533                                         $out = $this->tidy( implode( ' ', $cats['normal'] ) );
 534                                 } else {
 535                                         $out = '';
 536                                 }
 537                         }
 538                         $parser->mPreprocessor = null;
 539
 540                         $result = $this->tidy( $result );
 541                 }
 542
 543                 $this->teardownGlobals();
 544
 545                 $this->assertEquals( $result, $out, $desc );
 546         }
 547
 548         /**
 549          * Run a fuzz test series
 550          * Draw input from a set of test files
 551          */
 552         function testFuzzTests() {
 553
 554                 $this->markTestIncomplete( "Somebody is serializing PDO objects, that's a no-no" );
 555
 556                 global $wgParserTestFiles;
 557
 558                 $files = $wgParserTestFiles;
 559
 560                 if( $this->getCliArg( 'file=' ) ) {
 561                         $files = array( $this->getCliArg( 'file=' ) );
 562                 }
 563
 564                 $dict = $this->getFuzzInput( $files );
 565                 $dictSize = strlen( $dict );
 566                 $logMaxLength = log( $this->maxFuzzTestLength );
 567
 568                 $user = new User;
 569                 $opts = ParserOptions::newFromUser( $user );
 570                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
 571
 572                 $id = 1;
 573
 574                 while ( true ) {
 575
 576                         // Generate test input
 577                         mt_srand( ++$this->fuzzSeed );
 578                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
 579                         $input = '';
 580
 581                         while ( strlen( $input ) < $totalLength ) {
 582                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
 583                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
 584                                 $offset = mt_rand( 0, $dictSize - $hairLength );
 585                                 $input .= substr( $dict, $offset, $hairLength );
 586                         }
 587
 588                         $this->setupGlobals();
 589                         $parser = $this->getParser();
 590
 591                         // Run the test
 592                         try {
 593                                 $parser->parse( $input, $title, $opts );
 594                                 $this->assertTrue( true, "Test $id, fuzz seed {$this->fuzzSeed}" );
 595                         } catch ( Exception $exception ) {
 596                                 $input_dump = sprintf( "string(%d) \"%s\"\n", strlen( $input ), $input );
 597
 598                                 $this->assertTrue( false, "Test $id, fuzz seed {$this->fuzzSeed}. \n\nInput: $input_dump\n\nError: {$exception->getMessage()}\n\nBacktrace: {$exception->getTraceAsString()}" );
 599                         }
 600
 601                         $this->teardownGlobals();
 602                         $parser->__destruct();
 603
 604                         if ( $id % 100 == 0 ) {
 605                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
 606                                 //echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
 607                                 if ( $usage > 90 ) {
 608                                         $ret = "Out of memory:\n";
 609                                         $memStats = $this->getMemoryBreakdown();
 610
 611                                         foreach ( $memStats as $name => $usage ) {
 612                                                 $ret .= "$name: $usage\n";
 613                                         }
 614
 615                                         throw new MWException( $ret );
 616                                 }
 617                         }
 618
 619                         $id++;
 620
 621                 }
 622         }
 623
 624         //Various getter functions
 625
 626         /**
 627          * Get an input dictionary from a set of parser test files
 628          */
 629         function getFuzzInput( $filenames ) {
 630                 $dict = '';
 631
 632                 foreach ( $filenames as $filename ) {
 633                         $contents = file_get_contents( $filename );
 634                         preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
 635
 636                         foreach ( $matches[1] as $match ) {
 637                                 $dict .= $match . "\n";
 638                         }
 639                 }
 640
 641                 return $dict;
 642         }
 643
 644         /**
 645          * Get a memory usage breakdown
 646          */
 647         function getMemoryBreakdown() {
 648                 $memStats = array();
 649
 650                 foreach ( $GLOBALS as $name => $value ) {
 651                         $memStats['$' . $name] = strlen( serialize( $value ) );
 652                 }
 653
 654                 $classes = get_declared_classes();
 655
 656                 foreach ( $classes as $class ) {
 657                         $rc = new ReflectionClass( $class );
 658                         $props = $rc->getStaticProperties();
 659                         $memStats[$class] = strlen( serialize( $props ) );
 660                         $methods = $rc->getMethods();
 661
 662                         foreach ( $methods as $method ) {
 663                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 664                         }
 665                 }
 666
 667                 $functions = get_defined_functions();
 668
 669                 foreach ( $functions['user'] as $function ) {
 670                         $rf = new ReflectionFunction( $function );
 671                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 672                 }
 673
 674                 asort( $memStats );
 675
 676                 return $memStats;
 677         }
 678
 679         /**
 680          * Get a Parser object
 681          */
 682         function getParser( $preprocessor = null ) {
 683                 global $wgParserConf;
 684
 685                 $class = $wgParserConf['class'];
 686                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
 687
 688                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
 689
 690                 return $parser;
 691         }
 692
 693         //Various action functions
 694
 695         public function addArticle( $name, $text, $line ) {
 696                 self::$articles[$name] = $text;
 697         }
 698
 699         public function publishTestArticles() {
 700                 if ( empty( self::$articles ) ) {
 701                         return;
 702                 }
 703
 704                 foreach ( self::$articles as $name => $text ) {
 705                         $title = Title::newFromText( $name );
 706
 707                         if ( $title->getArticleID( Title::GAID_FOR_UPDATE ) == 0 ) {
 708                                 ParserTest::addArticle( $name, $text );
 709                         }
 710                 }
 711         }
 712
 713         /**
 714          * Steal a callback function from the primary parser, save it for
 715          * application to our scary parser. If the hook is not installed,
 716          * abort processing of this file.
 717          *
 718          * @param $name String
 719          * @return Bool true if tag hook is present
 720          */
 721         public function requireHook( $name ) {
 722                 global $wgParser;
 723                 $wgParser->firstCallInit( ); // make sure hooks are loaded.
 724                 return isset( $wgParser->mTagHooks[$name] );
 725         }
 726
 727         public function requireFunctionHook( $name ) {
 728                 global $wgParser;
 729                 $wgParser->firstCallInit( ); // make sure hooks are loaded.
 730                 return isset( $wgParser->mFunctionHooks[$name] );
 731         }
 732         //Various "cleanup" functions
 733
 734         /*
 735          * Run the "tidy" command on text if the $wgUseTidy
 736          * global is true
 737          *
 738          * @param $text String: the text to tidy
 739          * @return String
 740          */
 741         protected function tidy( $text ) {
 742                 global $wgUseTidy;
 743
 744                 if ( $wgUseTidy ) {
 745                         $text = MWTidy::tidy( $text );
 746                 }
 747
 748                 return $text;
 749         }
 750
 751         /**
 752          * Remove last character if it is a newline
 753          */
 754         public function removeEndingNewline( $s ) {
 755                 if ( substr( $s, -1 ) === "\n" ) {
 756                         return substr( $s, 0, -1 );
 757                 }
 758                 else {
 759                         return $s;
 760                 }
 761         }
 762
 763         public function showRunFile( $file ) {
 764                 /* NOP */
 765         }
 766
 767         //Test options parser functions
 768
 769         protected function parseOptions( $instring ) {
 770                 $opts = array();
 771                 // foo
 772                 // foo=bar
 773                 // foo="bar baz"
 774                 // foo=[[bar baz]]
 775                 // foo=bar,"baz quux"
 776                 $regex = '/\b
 777                         ([\w-]+)                                                # Key
 778                         \b
 779                         (?:\s*
 780                                 =                                               # First sub-value
 781                                 \s*
 782                                 (
 783                                         "
 784                                                 [^"]*                   # Quoted val
 785                                         "
 786                                 |
 787                                         \[\[
 788                                                 [^]]*                   # Link target
 789                                         \]\]
 790                                 |
 791                                         [\w-]+                          # Plain word
 792                                 )
 793                                 (?:\s*
 794                                         ,                                       # Sub-vals 1..N
 795                                         \s*
 796                                         (
 797                                                 "[^"]*"                 # Quoted val
 798                                         |
 799                                                 \[\[[^]]*\]\]   # Link target
 800                                         |
 801                                                 [\w-]+                  # Plain word
 802                                         )
 803                                 )*
 804                         )?
 805                         /x';
 806
 807                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
 808                         foreach ( $matches as $bits ) {
 809                                 array_shift( $bits );
 810                                 $key = strtolower( array_shift( $bits ) );
 811                                 if ( count( $bits ) == 0 ) {
 812                                         $opts[$key] = true;
 813                                 } elseif ( count( $bits ) == 1 ) {
 814                                         $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
 815                                 } else {
 816                                         // Array!
 817                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
 818                                 }
 819                         }
 820                 }
 821                 return $opts;
 822         }
 823
 824         protected function cleanupOption( $opt ) {
 825                 if ( substr( $opt, 0, 1 ) == '"' ) {
 826                         return substr( $opt, 1, -1 );
 827                 }
 828
 829                 if ( substr( $opt, 0, 2 ) == '[[' ) {
 830                         return substr( $opt, 2, -2 );
 831                 }
 832                 return $opt;
 833         }
 834
 835         /**
 836          * Use a regex to find out the value of an option
 837          * @param $key String: name of option val to retrieve
 838          * @param $opts Options array to look in
 839          * @param $default Mixed: default value returned if not found
 840          */
 841         protected static function getOptionValue( $key, $opts, $default ) {
 842                 $key = strtolower( $key );
 843
 844                 if ( isset( $opts[$key] ) ) {
 845                         return $opts[$key];
 846                 } else {
 847                         return $default;
 848                 }
 849         }
 850 }