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 $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         protected function setUp() {
  36                 global $wgNamespaceProtection, $wgNamespaceAliases;
  37                 global $wgHooks, $IP;
  38
  39                 parent::setUp();
  40
  41                 //Setup CLI arguments
  42                 if ( $this->getCliArg( 'regex=' ) ) {
  43                         $this->regex = $this->getCliArg( 'regex=' );
  44                 } else {
  45                         # Matches anything
  46                         $this->regex = '';
  47                 }
  48
  49                 $this->keepUploads = $this->getCliArg( 'keep-uploads' );
  50
  51                 $tmpGlobals = array();
  52
  53                 $tmpGlobals['wgLanguageCode'] = 'en';
  54                 $tmpGlobals['wgContLang'] = Language::factory( 'en' );
  55                 $tmpGlobals['wgScript'] = '/index.php';
  56                 $tmpGlobals['wgScriptPath'] = '/';
  57                 $tmpGlobals['wgArticlePath'] = '/wiki/$1';
  58                 $tmpGlobals['wgStyleSheetPath'] = '/skins';
  59                 $tmpGlobals['wgStylePath'] = '/skins';
  60                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  61                 $tmpGlobals['wgLocalFileRepo'] = array(
  62                         'class' => 'LocalRepo',
  63                         'name' => 'local',
  64                         'url' => 'http://example.com/images',
  65                         'hashLevels' => 2,
  66                         'transformVia404' => false,
  67                         'backend' => 'local-backend'
  68                 );
  69                 $tmpGlobals['wgForeignFileRepos'] = array();
  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->getLanguage();
  81                 $tmpGlobals['wgOut'] = $context->getOutput();
  82                 $tmpGlobals['wgParser'] = new StubObject( 'wgParser', $GLOBALS['wgParserConf']['class'], array( $GLOBALS['wgParserConf'] ) );
  83                 $tmpGlobals['wgRequest'] = $context->getRequest();
  84
  85                 if ( $GLOBALS['wgStyleDirectory'] === false ) {
  86                         $tmpGlobals['wgStyleDirectory'] = "$IP/skins";
  87                 }
  88
  89                 foreach ( $tmpGlobals as $var => $val ) {
  90                         if ( array_key_exists( $var, $GLOBALS ) ) {
  91                                 $this->savedInitialGlobals[$var] = $GLOBALS[$var];
  92                         }
  93
  94                         $GLOBALS[$var] = $val;
  95                 }
  96
  97                 $this->savedWeirdGlobals['mw_namespace_protection'] = $wgNamespaceProtection[NS_MEDIAWIKI];
  98                 $this->savedWeirdGlobals['image_alias'] = $wgNamespaceAliases['Image'];
  99                 $this->savedWeirdGlobals['image_talk_alias'] = $wgNamespaceAliases['Image_talk'];
 100
 101                 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
 102                 $wgNamespaceAliases['Image'] = NS_FILE;
 103                 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 104         }
 105
 106         protected function tearDown() {
 107                 foreach ( $this->savedInitialGlobals as $var => $val ) {
 108                         $GLOBALS[$var] = $val;
 109                 }
 110
 111                 global $wgNamespaceProtection, $wgNamespaceAliases;
 112
 113                 $wgNamespaceProtection[NS_MEDIAWIKI] = $this->savedWeirdGlobals['mw_namespace_protection'];
 114                 $wgNamespaceAliases['Image'] = $this->savedWeirdGlobals['image_alias'];
 115                 $wgNamespaceAliases['Image_talk'] = $this->savedWeirdGlobals['image_talk_alias'];
 116
 117                 // Restore backends
 118                 RepoGroup::destroySingleton();
 119                 FileBackendGroup::destroySingleton();
 120
 121                 parent::tearDown();
 122         }
 123
 124         function addDBData() {
 125                 $this->tablesUsed[] = 'site_stats';
 126                 $this->tablesUsed[] = 'interwiki';
 127                 # disabled for performance
 128                 #$this->tablesUsed[] = 'image';
 129
 130                 # Hack: insert a few Wikipedia in-project interwiki prefixes,
 131                 # for testing inter-language links
 132                 $this->db->insert( 'interwiki', array(
 133                                 array( 'iw_prefix' => 'wikipedia',
 134                                         'iw_url' => 'http://en.wikipedia.org/wiki/$1',
 135                                         'iw_api' => '',
 136                                         'iw_wikiid' => '',
 137                                         'iw_local' => 0 ),
 138                                 array( 'iw_prefix' => 'meatball',
 139                                         'iw_url' => 'http://www.usemod.com/cgi-bin/mb.pl?$1',
 140                                         'iw_api' => '',
 141                                         'iw_wikiid' => '',
 142                                         'iw_local' => 0 ),
 143                                 array( 'iw_prefix' => 'zh',
 144                                         'iw_url' => 'http://zh.wikipedia.org/wiki/$1',
 145                                         'iw_api' => '',
 146                                         'iw_wikiid' => '',
 147                                         'iw_local' => 1 ),
 148                                 array( 'iw_prefix' => 'es',
 149                                         'iw_url' => 'http://es.wikipedia.org/wiki/$1',
 150                                         'iw_api' => '',
 151                                         'iw_wikiid' => '',
 152                                         'iw_local' => 1 ),
 153                                 array( 'iw_prefix' => 'fr',
 154                                         'iw_url' => 'http://fr.wikipedia.org/wiki/$1',
 155                                         'iw_api' => '',
 156                                         'iw_wikiid' => '',
 157                                         'iw_local' => 1 ),
 158                                 array( 'iw_prefix' => 'ru',
 159                                         'iw_url' => 'http://ru.wikipedia.org/wiki/$1',
 160                                         'iw_api' => '',
 161                                         'iw_wikiid' => '',
 162                                         'iw_local' => 1 ),
 163                                 /**
 164                                  * @todo Fixme! Why are we inserting duplicate data here? Shouldn't
 165                                  * need this IGNORE or shouldn't need the insert at all.
 166                                  */
 167                         ), __METHOD__, array( 'IGNORE' )
 168                 );
 169
 170                 # Update certain things in site_stats
 171                 $this->db->insert( 'site_stats',
 172                         array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ),
 173                         __METHOD__
 174                 );
 175
 176                 # Reinitialise the LocalisationCache to match the database state
 177                 Language::getLocalisationCache()->unloadAll();
 178
 179                 # Clear the message cache
 180                 MessageCache::singleton()->clear();
 181
 182                 $user = User::newFromId( 0 );
 183                 LinkCache::singleton()->clear(); # Avoids the odd failure at creating the nullRevision
 184
 185                 # Upload DB table entries for files.
 186                 # We will upload the actual files later. Note that if anything causes LocalFile::load()
 187                 # to be triggered before then, it will break via maybeUpgrade() setting the fileExists
 188                 # member to false and storing it in cache.
 189                 # note that the size/width/height/bits/etc of the file
 190                 # are actually set by inspecting the file itself; the arguments
 191                 # to recordUpload2 have no effect.  That said, we try to make things
 192                 # match up so it is less confusing to readers of the code & tests.
 193                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
 194                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 195                         $image->recordUpload2(
 196                                 '', // archive name
 197                                 'Upload of some lame file',
 198                                 'Some lame file',
 199                                 array(
 200                                         'size' => 7881,
 201                                         'width' => 1941,
 202                                         'height' => 220,
 203                                         'bits' => 8,
 204                                         'media_type' => MEDIATYPE_BITMAP,
 205                                         'mime' => 'image/jpeg',
 206                                         'metadata' => serialize( array() ),
 207                                         'sha1' => wfBaseConvert( '1', 16, 36, 31 ),
 208                                         'fileExists' => true ),
 209                                 $this->db->timestamp( '20010115123500' ), $user
 210                         );
 211                 }
 212
 213                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) );
 214                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 215                         $image->recordUpload2(
 216                                 '', // archive name
 217                                 'Upload of some lame thumbnail',
 218                                 'Some lame thumbnail',
 219                                 array(
 220                                         'size' => 22589,
 221                                         'width' => 135,
 222                                         'height' => 135,
 223                                         'bits' => 8,
 224                                         'media_type' => MEDIATYPE_BITMAP,
 225                                         'mime' => 'image/png',
 226                                         'metadata' => serialize( array() ),
 227                                         'sha1' => wfBaseConvert( '2', 16, 36, 31 ),
 228                                         'fileExists' => true ),
 229                                 $this->db->timestamp( '20130225203040' ), $user
 230                         );
 231                 }
 232
 233                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
 234                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
 235                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 236                         $image->recordUpload2(
 237                                 '', // archive name
 238                                 'zomgnotcensored',
 239                                 'Borderline image',
 240                                 array(
 241                                         'size' => 12345,
 242                                         'width' => 320,
 243                                         'height' => 240,
 244                                         'bits' => 24,
 245                                         'media_type' => MEDIATYPE_BITMAP,
 246                                         'mime' => 'image/jpeg',
 247                                         'metadata' => serialize( array() ),
 248                                         'sha1' => wfBaseConvert( '3', 16, 36, 31 ),
 249                                         'fileExists' => true ),
 250                                 $this->db->timestamp( '20010115123500' ), $user
 251                         );
 252                 }
 253         }
 254
 255         //ParserTest setup/teardown functions
 256
 257         /**
 258          * Set up the global variables for a consistent environment for each test.
 259          * Ideally this should replace the global configuration entirely.
 260          */
 261         protected function setupGlobals( $opts = array(), $config = '' ) {
 262                 global $wgFileBackends;
 263                 # Find out values for some special options.
 264                 $lang =
 265                         self::getOptionValue( 'language', $opts, 'en' );
 266                 $variant =
 267                         self::getOptionValue( 'variant', $opts, false );
 268                 $maxtoclevel =
 269                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 270                 $linkHolderBatchSize =
 271                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 272
 273                 $uploadDir = $this->getUploadDir();
 274                 if ( $this->getCliArg( 'use-filebackend=' ) ) {
 275                         if ( self::$backendToUse ) {
 276                                 $backend = self::$backendToUse;
 277                         } else {
 278                                 $name = $this->getCliArg( 'use-filebackend=' );
 279                                 $useConfig = array();
 280                                 foreach ( $wgFileBackends as $conf ) {
 281                                         if ( $conf['name'] == $name ) {
 282                                                 $useConfig = $conf;
 283                                         }
 284                                 }
 285                                 $useConfig['name'] = 'local-backend'; // swap name
 286                                 $class = $conf['class'];
 287                                 self::$backendToUse = new $class( $useConfig );
 288                                 $backend = self::$backendToUse;
 289                         }
 290                 } else {
 291                         $backend = new FSFileBackend( array(
 292                                 'name' => 'local-backend',
 293                                 'lockManager' => 'nullLockManager',
 294                                 'containerPaths' => array(
 295                                         'local-public' => "$uploadDir",
 296                                         'local-thumb' => "$uploadDir/thumb",
 297                                 )
 298                         ) );
 299                 }
 300
 301                 $settings = array(
 302                         'wgServer' => 'http://example.org',
 303                         'wgScript' => '/index.php',
 304                         'wgScriptPath' => '/',
 305                         'wgArticlePath' => '/wiki/$1',
 306                         'wgExtensionAssetsPath' => '/extensions',
 307                         'wgActionPaths' => array(),
 308                         'wgLocalFileRepo' => array(
 309                                 'class' => 'LocalRepo',
 310                                 'name' => 'local',
 311                                 'url' => 'http://example.com/images',
 312                                 'hashLevels' => 2,
 313                                 'transformVia404' => false,
 314                                 'backend' => $backend
 315                         ),
 316                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
 317                         'wgStylePath' => '/skins',
 318                         'wgStyleSheetPath' => '/skins',
 319                         'wgSitename' => 'MediaWiki',
 320                         'wgLanguageCode' => $lang,
 321                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'unittest_' : 'ut_',
 322                         'wgRawHtml' => isset( $opts['rawhtml'] ),
 323                         'wgLang' => null,
 324                         'wgContLang' => null,
 325                         'wgNamespacesWithSubpages' => array( NS_MAIN => isset( $opts['subpage'] ) ),
 326                         'wgMaxTocLevel' => $maxtoclevel,
 327                         'wgCapitalLinks' => true,
 328                         'wgNoFollowLinks' => true,
 329                         'wgNoFollowDomainExceptions' => array(),
 330                         'wgThumbnailScriptPath' => false,
 331                         'wgUseImageResize' => true,
 332                         'wgUseTeX' => isset( $opts['math'] ),
 333                         'wgMathDirectory' => $uploadDir . '/math',
 334                         'wgLocaltimezone' => 'UTC',
 335                         'wgAllowExternalImages' => true,
 336                         'wgUseTidy' => false,
 337                         'wgDefaultLanguageVariant' => $variant,
 338                         'wgVariantArticlePath' => false,
 339                         'wgGroupPermissions' => array( '*' => array(
 340                                 'createaccount' => true,
 341                                 'read' => true,
 342                                 'edit' => true,
 343                                 'createpage' => true,
 344                                 'createtalk' => true,
 345                         ) ),
 346                         'wgNamespaceProtection' => array( NS_MEDIAWIKI => 'editinterface' ),
 347                         'wgDefaultExternalStore' => array(),
 348                         'wgForeignFileRepos' => array(),
 349                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 350                         'wgExperimentalHtmlIds' => false,
 351                         'wgExternalLinkTarget' => false,
 352                         'wgAlwaysUseTidy' => false,
 353                         'wgHtml5' => true,
 354                         'wgWellFormedXml' => true,
 355                         'wgAllowMicrodataAttributes' => true,
 356                         'wgAdaptiveMessageCache' => true,
 357                         'wgUseDatabaseMessages' => true,
 358                 );
 359
 360                 if ( $config ) {
 361                         $configLines = explode( "\n", $config );
 362
 363                         foreach ( $configLines as $line ) {
 364                                 list( $var, $value ) = explode( '=', $line, 2 );
 365
 366                                 $settings[$var] = eval( "return $value;" ); //???
 367                         }
 368                 }
 369
 370                 $this->savedGlobals = array();
 371
 372                 /** @since 1.20 */
 373                 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
 374
 375                 foreach ( $settings as $var => $val ) {
 376                         if ( array_key_exists( $var, $GLOBALS ) ) {
 377                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 378                         }
 379
 380                         $GLOBALS[$var] = $val;
 381                 }
 382
 383                 $langObj = Language::factory( $lang );
 384                 $GLOBALS['wgContLang'] = $langObj;
 385                 $context = new RequestContext();
 386                 $GLOBALS['wgLang'] = $context->getLanguage();
 387
 388                 $GLOBALS['wgMemc'] = new EmptyBagOStuff;
 389                 $GLOBALS['wgOut'] = $context->getOutput();
 390                 $GLOBALS['wgUser'] = $context->getUser();
 391
 392                 global $wgHooks;
 393
 394                 $wgHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
 395                 $wgHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
 396
 397                 MagicWord::clearCache();
 398                 RepoGroup::destroySingleton();
 399                 FileBackendGroup::destroySingleton();
 400
 401                 # Create dummy files in storage
 402                 $this->setupUploads();
 403
 404                 # Publish the articles after we have the final language set
 405                 $this->publishTestArticles();
 406
 407                 # The entries saved into RepoGroup cache with previous globals will be wrong.
 408                 RepoGroup::destroySingleton();
 409                 FileBackendGroup::destroySingleton();
 410                 MessageCache::destroyInstance();
 411
 412                 return $context;
 413         }
 414
 415         /**
 416          * Get an FS upload directory (only applies to FSFileBackend)
 417          *
 418          * @return String: the directory
 419          */
 420         protected function getUploadDir() {
 421                 if ( $this->keepUploads ) {
 422                         $dir = wfTempDir() . '/mwParser-images';
 423
 424                         if ( is_dir( $dir ) ) {
 425                                 return $dir;
 426                         }
 427                 } else {
 428                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
 429                 }
 430
 431                 // wfDebug( "Creating upload directory $dir\n" );
 432                 if ( file_exists( $dir ) ) {
 433                         wfDebug( "Already exists!\n" );
 434
 435                         return $dir;
 436                 }
 437
 438                 return $dir;
 439         }
 440
 441         /**
 442          * Create a dummy uploads directory which will contain a couple
 443          * of files in order to pass existence tests.
 444          *
 445          * @return String: the directory
 446          */
 447         protected function setupUploads() {
 448                 global $IP;
 449
 450                 $base = $this->getBaseDir();
 451                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 452                 $backend->prepare( array( 'dir' => "$base/local-public/3/3a" ) );
 453                 $backend->store( array(
 454                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/3/3a/Foobar.jpg"
 455                 ) );
 456                 $backend->prepare( array( 'dir' => "$base/local-public/e/ea" ) );
 457                 $backend->store( array(
 458                         'src' => "$IP/skins/monobook/wiki.png", 'dst' => "$base/local-public/e/ea/Thumb.png"
 459                 ) );
 460                 $backend->prepare( array( 'dir' => "$base/local-public/0/09" ) );
 461                 $backend->store( array(
 462                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/0/09/Bad.jpg"
 463                 ) );
 464         }
 465
 466         /**
 467          * Restore default values and perform any necessary clean-up
 468          * after each test runs.
 469          */
 470         protected function teardownGlobals() {
 471                 $this->teardownUploads();
 472
 473                 foreach ( $this->savedGlobals as $var => $val ) {
 474                         $GLOBALS[$var] = $val;
 475                 }
 476
 477                 RepoGroup::destroySingleton();
 478                 LinkCache::singleton()->clear();
 479         }
 480
 481         /**
 482          * Remove the dummy uploads directory
 483          */
 484         private function teardownUploads() {
 485                 if ( $this->keepUploads ) {
 486                         return;
 487                 }
 488
 489                 $base = $this->getBaseDir();
 490                 // delete the files first, then the dirs.
 491                 self::deleteFiles(
 492                         array(
 493                                 "$base/local-public/3/3a/Foobar.jpg",
 494                                 "$base/local-thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
 495                                 "$base/local-thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
 496                                 "$base/local-thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
 497                                 "$base/local-thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
 498                                 "$base/local-thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
 499                                 "$base/local-thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
 500                                 "$base/local-thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
 501                                 "$base/local-thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
 502                                 "$base/local-thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
 503                                 "$base/local-thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
 504                                 "$base/local-thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
 505                                 "$base/local-thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
 506                                 "$base/local-thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
 507                                 "$base/local-thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
 508
 509                                 "$base/local-public/e/ea/Thumb.png",
 510
 511                                 "$base/local-public/0/09/Bad.jpg",
 512
 513                                 "$base/local-public/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
 514                         )
 515                 );
 516         }
 517
 518         /**
 519          * Delete the specified files, if they exist.
 520          * @param $files Array: full paths to files to delete.
 521          */
 522         private static function deleteFiles( $files ) {
 523                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 524                 foreach ( $files as $file ) {
 525                         $backend->delete( array( 'src' => $file ), array( 'force' => 1 ) );
 526                 }
 527                 foreach ( $files as $file ) {
 528                         $tmp = $file;
 529                         while ( $tmp = FileBackend::parentStoragePath( $tmp ) ) {
 530                                 if ( !$backend->clean( array( 'dir' => $tmp ) )->isOK() ) {
 531                                         break;
 532                                 }
 533                         }
 534                 }
 535         }
 536
 537         protected function getBaseDir() {
 538                 return 'mwstore://local-backend';
 539         }
 540
 541         public function parserTestProvider() {
 542                 if ( $this->file === false ) {
 543                         global $wgParserTestFiles;
 544                         $this->file = $wgParserTestFiles[0];
 545                 }
 546
 547                 return new TestFileIterator( $this->file, $this );
 548         }
 549
 550         /**
 551          * Set the file from whose tests will be run by this instance
 552          */
 553         public function setParserTestFile( $filename ) {
 554                 $this->file = $filename;
 555         }
 556
 557         /**
 558          * @group medium
 559          * @dataProvider parserTestProvider
 560          */
 561         public function testParserTest( $desc, $input, $result, $opts, $config ) {
 562                 if ( $this->regex != '' && !preg_match( '/' . $this->regex . '/', $desc ) ) {
 563                         $this->assertTrue( true ); // XXX: don't flood output with "test made no assertions"
 564                         //$this->markTestSkipped( 'Filtered out by the user' );
 565                         return;
 566                 }
 567
 568                 if ( !$this->isWikitextNS( NS_MAIN ) ) {
 569                         // parser tests frequently assume that the main namespace contains wikitext.
 570                         // @todo: When setting up pages, force the content model. Only skip if
 571                         //        $wgtContentModelUseDB is false.
 572                         $this->markTestSkipped( "Main namespace does not support wikitext,"
 573                                 . "skipping parser test: $desc" );
 574                 }
 575
 576                 wfDebug( "Running parser test: $desc\n" );
 577
 578                 $opts = $this->parseOptions( $opts );
 579                 $context = $this->setupGlobals( $opts, $config );
 580
 581                 $user = $context->getUser();
 582                 $options = ParserOptions::newFromContext( $context );
 583
 584                 if ( isset( $opts['title'] ) ) {
 585                         $titleText = $opts['title'];
 586                 } else {
 587                         $titleText = 'Parser test';
 588                 }
 589
 590                 $local = isset( $opts['local'] );
 591                 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
 592                 $parser = $this->getParser( $preprocessor );
 593
 594                 $title = Title::newFromText( $titleText );
 595
 596                 if ( isset( $opts['pst'] ) ) {
 597                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
 598                 } elseif ( isset( $opts['msg'] ) ) {
 599                         $out = $parser->transformMsg( $input, $options, $title );
 600                 } elseif ( isset( $opts['section'] ) ) {
 601                         $section = $opts['section'];
 602                         $out = $parser->getSection( $input, $section );
 603                 } elseif ( isset( $opts['replace'] ) ) {
 604                         $section = $opts['replace'][0];
 605                         $replace = $opts['replace'][1];
 606                         $out = $parser->replaceSection( $input, $section, $replace );
 607                 } elseif ( isset( $opts['comment'] ) ) {
 608                         $out = Linker::formatComment( $input, $title, $local );
 609                 } elseif ( isset( $opts['preload'] ) ) {
 610                         $out = $parser->getPreloadText( $input, $title, $options );
 611                 } else {
 612                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
 613                         $out = $output->getText();
 614
 615                         if ( isset( $opts['showtitle'] ) ) {
 616                                 if ( $output->getTitleText() ) {
 617                                         $title = $output->getTitleText();
 618                                 }
 619
 620                                 $out = "$title\n$out";
 621                         }
 622
 623                         if ( isset( $opts['ill'] ) ) {
 624                                 $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
 625                         } elseif ( isset( $opts['cat'] ) ) {
 626                                 $outputPage = $context->getOutput();
 627                                 $outputPage->addCategoryLinks( $output->getCategories() );
 628                                 $cats = $outputPage->getCategoryLinks();
 629
 630                                 if ( isset( $cats['normal'] ) ) {
 631                                         $out = $this->tidy( implode( ' ', $cats['normal'] ) );
 632                                 } else {
 633                                         $out = '';
 634                                 }
 635                         }
 636                         $parser->mPreprocessor = null;
 637
 638                         $result = $this->tidy( $result );
 639                 }
 640
 641                 $this->teardownGlobals();
 642
 643                 $this->assertEquals( $result, $out, $desc );
 644         }
 645
 646         /**
 647          * Run a fuzz test series
 648          * Draw input from a set of test files
 649          *
 650          * @todo fixme Needs some work to not eat memory until the world explodes
 651          *
 652          * @group ParserFuzz
 653          */
 654         function testFuzzTests() {
 655                 global $wgParserTestFiles;
 656
 657                 $files = $wgParserTestFiles;
 658
 659                 if ( $this->getCliArg( 'file=' ) ) {
 660                         $files = array( $this->getCliArg( 'file=' ) );
 661                 }
 662
 663                 $dict = $this->getFuzzInput( $files );
 664                 $dictSize = strlen( $dict );
 665                 $logMaxLength = log( $this->maxFuzzTestLength );
 666
 667                 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
 668
 669                 $user = new User;
 670                 $opts = ParserOptions::newFromUser( $user );
 671                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
 672
 673                 $id = 1;
 674
 675                 while ( true ) {
 676
 677                         // Generate test input
 678                         mt_srand( ++$this->fuzzSeed );
 679                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
 680                         $input = '';
 681
 682                         while ( strlen( $input ) < $totalLength ) {
 683                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
 684                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
 685                                 $offset = mt_rand( 0, $dictSize - $hairLength );
 686                                 $input .= substr( $dict, $offset, $hairLength );
 687                         }
 688
 689                         $this->setupGlobals();
 690                         $parser = $this->getParser();
 691
 692                         // Run the test
 693                         try {
 694                                 $parser->parse( $input, $title, $opts );
 695                                 $this->assertTrue( true, "Test $id, fuzz seed {$this->fuzzSeed}" );
 696                         } catch ( Exception $exception ) {
 697                                 $input_dump = sprintf( "string(%d) \"%s\"\n", strlen( $input ), $input );
 698
 699                                 $this->assertTrue( false, "Test $id, fuzz seed {$this->fuzzSeed}. \n\nInput: $input_dump\n\nError: {$exception->getMessage()}\n\nBacktrace: {$exception->getTraceAsString()}" );
 700                         }
 701
 702                         $this->teardownGlobals();
 703                         $parser->__destruct();
 704
 705                         if ( $id % 100 == 0 ) {
 706                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
 707                                 //echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
 708                                 if ( $usage > 90 ) {
 709                                         $ret = "Out of memory:\n";
 710                                         $memStats = $this->getMemoryBreakdown();
 711
 712                                         foreach ( $memStats as $name => $usage ) {
 713                                                 $ret .= "$name: $usage\n";
 714                                         }
 715
 716                                         throw new MWException( $ret );
 717                                 }
 718                         }
 719
 720                         $id++;
 721                 }
 722         }
 723
 724         //Various getter functions
 725
 726         /**
 727          * Get an input dictionary from a set of parser test files
 728          */
 729         function getFuzzInput( $filenames ) {
 730                 $dict = '';
 731
 732                 foreach ( $filenames as $filename ) {
 733                         $contents = file_get_contents( $filename );
 734                         preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
 735
 736                         foreach ( $matches[1] as $match ) {
 737                                 $dict .= $match . "\n";
 738                         }
 739                 }
 740
 741                 return $dict;
 742         }
 743
 744         /**
 745          * Get a memory usage breakdown
 746          */
 747         function getMemoryBreakdown() {
 748                 $memStats = array();
 749
 750                 foreach ( $GLOBALS as $name => $value ) {
 751                         $memStats['$' . $name] = strlen( serialize( $value ) );
 752                 }
 753
 754                 $classes = get_declared_classes();
 755
 756                 foreach ( $classes as $class ) {
 757                         $rc = new ReflectionClass( $class );
 758                         $props = $rc->getStaticProperties();
 759                         $memStats[$class] = strlen( serialize( $props ) );
 760                         $methods = $rc->getMethods();
 761
 762                         foreach ( $methods as $method ) {
 763                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 764                         }
 765                 }
 766
 767                 $functions = get_defined_functions();
 768
 769                 foreach ( $functions['user'] as $function ) {
 770                         $rf = new ReflectionFunction( $function );
 771                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 772                 }
 773
 774                 asort( $memStats );
 775
 776                 return $memStats;
 777         }
 778
 779         /**
 780          * Get a Parser object
 781          */
 782         function getParser( $preprocessor = null ) {
 783                 global $wgParserConf;
 784
 785                 $class = $wgParserConf['class'];
 786                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
 787
 788                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
 789
 790                 return $parser;
 791         }
 792
 793         //Various action functions
 794
 795         public function addArticle( $name, $text, $line ) {
 796                 self::$articles[$name] = array( $text, $line );
 797         }
 798
 799         public function publishTestArticles() {
 800                 if ( empty( self::$articles ) ) {
 801                         return;
 802                 }
 803
 804                 foreach ( self::$articles as $name => $info ) {
 805                         list( $text, $line ) = $info;
 806                         ParserTest::addArticle( $name, $text, $line, 'ignoreduplicate' );
 807                 }
 808         }
 809
 810         /**
 811          * Steal a callback function from the primary parser, save it for
 812          * application to our scary parser. If the hook is not installed,
 813          * abort processing of this file.
 814          *
 815          * @param $name String
 816          * @return Bool true if tag hook is present
 817          */
 818         public function requireHook( $name ) {
 819                 global $wgParser;
 820                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 821                 return isset( $wgParser->mTagHooks[$name] );
 822         }
 823
 824         public function requireFunctionHook( $name ) {
 825                 global $wgParser;
 826                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 827                 return isset( $wgParser->mFunctionHooks[$name] );
 828         }
 829
 830         //Various "cleanup" functions
 831
 832         /**
 833          * Run the "tidy" command on text if the $wgUseTidy
 834          * global is true
 835          *
 836          * @param $text String: the text to tidy
 837          * @return String
 838          */
 839         protected function tidy( $text ) {
 840                 global $wgUseTidy;
 841
 842                 if ( $wgUseTidy ) {
 843                         $text = MWTidy::tidy( $text );
 844                 }
 845
 846                 return $text;
 847         }
 848
 849         /**
 850          * Remove last character if it is a newline
 851          */
 852         public function removeEndingNewline( $s ) {
 853                 if ( substr( $s, -1 ) === "\n" ) {
 854                         return substr( $s, 0, -1 );
 855                 } else {
 856                         return $s;
 857                 }
 858         }
 859
 860         //Test options parser functions
 861
 862         protected function parseOptions( $instring ) {
 863                 $opts = array();
 864                 // foo
 865                 // foo=bar
 866                 // foo="bar baz"
 867                 // foo=[[bar baz]]
 868                 // foo=bar,"baz quux"
 869                 $regex = '/\b
 870                         ([\w-]+)                                                # Key
 871                         \b
 872                         (?:\s*
 873                                 =                                               # First sub-value
 874                                 \s*
 875                                 (
 876                                         "
 877                                                 [^"]*                   # Quoted val
 878                                         "
 879                                 |
 880                                         \[\[
 881                                                 [^]]*                   # Link target
 882                                         \]\]
 883                                 |
 884                                         [\w-]+                          # Plain word
 885                                 )
 886                                 (?:\s*
 887                                         ,                                       # Sub-vals 1..N
 888                                         \s*
 889                                         (
 890                                                 "[^"]*"                 # Quoted val
 891                                         |
 892                                                 \[\[[^]]*\]\]   # Link target
 893                                         |
 894                                                 [\w-]+                  # Plain word
 895                                         )
 896                                 )*
 897                         )?
 898                         /x';
 899
 900                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
 901                         foreach ( $matches as $bits ) {
 902                                 array_shift( $bits );
 903                                 $key = strtolower( array_shift( $bits ) );
 904                                 if ( count( $bits ) == 0 ) {
 905                                         $opts[$key] = true;
 906                                 } elseif ( count( $bits ) == 1 ) {
 907                                         $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
 908                                 } else {
 909                                         // Array!
 910                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
 911                                 }
 912                         }
 913                 }
 914
 915                 return $opts;
 916         }
 917
 918         protected function cleanupOption( $opt ) {
 919                 if ( substr( $opt, 0, 1 ) == '"' ) {
 920                         return substr( $opt, 1, -1 );
 921                 }
 922
 923                 if ( substr( $opt, 0, 2 ) == '[[' ) {
 924                         return substr( $opt, 2, -2 );
 925                 }
 926
 927                 return $opt;
 928         }
 929
 930         /**
 931          * Use a regex to find out the value of an option
 932          * @param $key String: name of option val to retrieve
 933          * @param $opts Options array to look in
 934          * @param $default Mixed: default value returned if not found
 935          */
 936         protected static function getOptionValue( $key, $opts, $default ) {
 937                 $key = strtolower( $key );
 938
 939                 if ( isset( $opts[$key] ) ) {
 940                         return $opts[$key];
 941                 } else {
 942                         return $default;
 943                 }
 944         }
 945 }