tests/parser/parserTest.inc

   1 <?php
   2 /**
   3  * Helper code for the MediaWiki parser test suite. Some code is duplicated
   4  * in PHPUnit's NewParserTests.php, so you'll probably want to update both
   5  * at the same time.
   6  *
   7  * Copyright © 2004, 2010 Brion Vibber <brion@pobox.com>
   8  * https://www.mediawiki.org/
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  23  * http://www.gnu.org/copyleft/gpl.html
  24  *
  25  * @todo Make this more independent of the configuration (and if possible the database)
  26  * @todo document
  27  * @file
  28  * @ingroup Testing
  29  */
  30
  31 /**
  32  * @ingroup Testing
  33  */
  34 class ParserTest {
  35         /**
  36          * @var bool $color whereas output should be colorized
  37          */
  38         private $color;
  39
  40         /**
  41          * @var bool $showOutput Show test output
  42          */
  43         private $showOutput;
  44
  45         /**
  46          * @var bool $useTemporaryTables Use temporary tables for the temporary database
  47          */
  48         private $useTemporaryTables = true;
  49
  50         /**
  51          * @var bool $databaseSetupDone True if the database has been set up
  52          */
  53         private $databaseSetupDone = false;
  54
  55         /**
  56          * Our connection to the database
  57          * @var DatabaseBase
  58          */
  59         private $db;
  60
  61         /**
  62          * Database clone helper
  63          * @var CloneDatabase
  64          */
  65         private $dbClone;
  66
  67         /**
  68          * @var DjVuSupport
  69          */
  70         private $djVuSupport;
  71
  72         /**
  73          * @var TidySupport
  74          */
  75         private $tidySupport;
  76
  77         private $maxFuzzTestLength = 300;
  78         private $fuzzSeed = 0;
  79         private $memoryLimit = 50;
  80         private $uploadDir = null;
  81
  82         public $regex = "";
  83         private $savedGlobals = array();
  84
  85         /**
  86          * Sets terminal colorization and diff/quick modes depending on OS and
  87          * command-line options (--color and --quick).
  88          * @param array $options
  89          */
  90         public function __construct( $options = array() ) {
  91                 # Only colorize output if stdout is a terminal.
  92                 $this->color = !wfIsWindows() && Maintenance::posix_isatty( 1 );
  93
  94                 if ( isset( $options['color'] ) ) {
  95                         switch ( $options['color'] ) {
  96                                 case 'no':
  97                                         $this->color = false;
  98                                         break;
  99                                 case 'yes':
 100                                 default:
 101                                         $this->color = true;
 102                                         break;
 103                         }
 104                 }
 105
 106                 $this->term = $this->color
 107                         ? new AnsiTermColorer()
 108                         : new DummyTermColorer();
 109
 110                 $this->showDiffs = !isset( $options['quick'] );
 111                 $this->showProgress = !isset( $options['quiet'] );
 112                 $this->showFailure = !(
 113                         isset( $options['quiet'] )
 114                                 && ( isset( $options['record'] )
 115                                 || isset( $options['compare'] ) ) ); // redundant output
 116
 117                 $this->showOutput = isset( $options['show-output'] );
 118
 119                 if ( isset( $options['filter'] ) ) {
 120                         $options['regex'] = $options['filter'];
 121                 }
 122
 123                 if ( isset( $options['regex'] ) ) {
 124                         if ( isset( $options['record'] ) ) {
 125                                 echo "Warning: --record cannot be used with --regex, disabling --record\n";
 126                                 unset( $options['record'] );
 127                         }
 128                         $this->regex = $options['regex'];
 129                 } else {
 130                         # Matches anything
 131                         $this->regex = '';
 132                 }
 133
 134                 $this->setupRecorder( $options );
 135                 $this->keepUploads = isset( $options['keep-uploads'] );
 136
 137                 if ( isset( $options['seed'] ) ) {
 138                         $this->fuzzSeed = intval( $options['seed'] ) - 1;
 139                 }
 140
 141                 $this->runDisabled = isset( $options['run-disabled'] );
 142                 $this->runParsoid = isset( $options['run-parsoid'] );
 143
 144                 $this->djVuSupport = new DjVuSupport();
 145                 $this->tidySupport = new TidySupport();
 146                 if ( !$this->tidySupport->isEnabled() ) {
 147                         echo "Warning: tidy is not installed, skipping some tests\n";
 148                 }
 149
 150                 $this->hooks = array();
 151                 $this->functionHooks = array();
 152                 $this->transparentHooks = array();
 153                 self::setUp();
 154         }
 155
 156         static function setUp() {
 157                 global $wgParser, $wgParserConf, $IP, $messageMemc, $wgMemc,
 158                         $wgUser, $wgLang, $wgOut, $wgRequest, $wgStyleDirectory, $wgEnableParserCache,
 159                         $wgExtraNamespaces, $wgNamespaceAliases, $wgNamespaceProtection, $wgLocalFileRepo,
 160                         $wgExtraInterlanguageLinkPrefixes, $wgLocalInterwikis,
 161                         $parserMemc, $wgThumbnailScriptPath, $wgScriptPath,
 162                         $wgArticlePath, $wgScript, $wgStylePath, $wgExtensionAssetsPath,
 163                         $wgMainCacheType, $wgMessageCacheType, $wgParserCacheType, $wgLockManagers;
 164
 165                 $wgScript = '/index.php';
 166                 $wgScriptPath = '/';
 167                 $wgArticlePath = '/wiki/$1';
 168                 $wgStylePath = '/skins';
 169                 $wgExtensionAssetsPath = '/extensions';
 170                 $wgThumbnailScriptPath = false;
 171                 $wgLockManagers = array( array(
 172                         'name' => 'fsLockManager',
 173                         'class' => 'FSLockManager',
 174                         'lockDirectory' => wfTempDir() . '/test-repo/lockdir',
 175                 ), array(
 176                         'name' => 'nullLockManager',
 177                         'class' => 'NullLockManager',
 178                 ) );
 179                 $wgLocalFileRepo = array(
 180                         'class' => 'LocalRepo',
 181                         'name' => 'local',
 182                         'url' => 'http://example.com/images',
 183                         'hashLevels' => 2,
 184                         'transformVia404' => false,
 185                         'backend' => new FSFileBackend( array(
 186                                 'name' => 'local-backend',
 187                                 'wikiId' => wfWikiId(),
 188                                 'containerPaths' => array(
 189                                         'local-public' => wfTempDir() . '/test-repo/public',
 190                                         'local-thumb' => wfTempDir() . '/test-repo/thumb',
 191                                         'local-temp' => wfTempDir() . '/test-repo/temp',
 192                                         'local-deleted' => wfTempDir() . '/test-repo/deleted',
 193                                 )
 194                         ) )
 195                 );
 196                 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
 197                 $wgNamespaceAliases['Image'] = NS_FILE;
 198                 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 199                 # add a namespace shadowing a interwiki link, to test
 200                 # proper precedence when resolving links. (bug 51680)
 201                 $wgExtraNamespaces[100] = 'MemoryAlpha';
 202
 203                 // XXX: tests won't run without this (for CACHE_DB)
 204                 if ( $wgMainCacheType === CACHE_DB ) {
 205                         $wgMainCacheType = CACHE_NONE;
 206                 }
 207                 if ( $wgMessageCacheType === CACHE_DB ) {
 208                         $wgMessageCacheType = CACHE_NONE;
 209                 }
 210                 if ( $wgParserCacheType === CACHE_DB ) {
 211                         $wgParserCacheType = CACHE_NONE;
 212                 }
 213
 214                 $wgEnableParserCache = false;
 215                 DeferredUpdates::clearPendingUpdates();
 216                 $wgMemc = wfGetMainCache(); // checks $wgMainCacheType
 217                 $messageMemc = wfGetMessageCacheStorage();
 218                 $parserMemc = wfGetParserCacheStorage();
 219
 220                 $wgUser = new User;
 221                 $context = new RequestContext;
 222                 $wgLang = $context->getLanguage();
 223                 $wgOut = $context->getOutput();
 224                 $wgParser = new StubObject( 'wgParser', $wgParserConf['class'], array( $wgParserConf ) );
 225                 $wgRequest = $context->getRequest();
 226
 227                 if ( $wgStyleDirectory === false ) {
 228                         $wgStyleDirectory = "$IP/skins";
 229                 }
 230
 231                 self::setupInterwikis();
 232                 $wgLocalInterwikis = array( 'local', 'mi' );
 233                 // "extra language links"
 234                 // see https://gerrit.wikimedia.org/r/111390
 235                 array_push( $wgExtraInterlanguageLinkPrefixes, 'mul' );
 236         }
 237
 238         /**
 239          * Insert hardcoded interwiki in the lookup table.
 240          *
 241          * This function insert a set of well known interwikis that are used in
 242          * the parser tests. They can be considered has fixtures are injected in
 243          * the interwiki cache by using the 'InterwikiLoadPrefix' hook.
 244          * Since we are not interested in looking up interwikis in the database,
 245          * the hook completely replace the existing mechanism (hook returns false).
 246          */
 247         public static function setupInterwikis() {
 248                 # Hack: insert a few Wikipedia in-project interwiki prefixes,
 249                 # for testing inter-language links
 250                 Hooks::register( 'InterwikiLoadPrefix', function ( $prefix, &$iwData ) {
 251                         static $testInterwikis = array(
 252                                 'local' => array(
 253                                         'iw_url' => 'http://doesnt.matter.org/$1',
 254                                         'iw_api' => '',
 255                                         'iw_wikiid' => '',
 256                                         'iw_local' => 0 ),
 257                                 'wikipedia' => array(
 258                                         'iw_url' => 'http://en.wikipedia.org/wiki/$1',
 259                                         'iw_api' => '',
 260                                         'iw_wikiid' => '',
 261                                         'iw_local' => 0 ),
 262                                 'meatball' => array(
 263                                         'iw_url' => 'http://www.usemod.com/cgi-bin/mb.pl?$1',
 264                                         'iw_api' => '',
 265                                         'iw_wikiid' => '',
 266                                         'iw_local' => 0 ),
 267                                 'memoryalpha' => array(
 268                                         'iw_url' => 'http://www.memory-alpha.org/en/index.php/$1',
 269                                         'iw_api' => '',
 270                                         'iw_wikiid' => '',
 271                                         'iw_local' => 0 ),
 272                                 'zh' => array(
 273                                         'iw_url' => 'http://zh.wikipedia.org/wiki/$1',
 274                                         'iw_api' => '',
 275                                         'iw_wikiid' => '',
 276                                         'iw_local' => 1 ),
 277                                 'es' => array(
 278                                         'iw_url' => 'http://es.wikipedia.org/wiki/$1',
 279                                         'iw_api' => '',
 280                                         'iw_wikiid' => '',
 281                                         'iw_local' => 1 ),
 282                                 'fr' => array(
 283                                         'iw_url' => 'http://fr.wikipedia.org/wiki/$1',
 284                                         'iw_api' => '',
 285                                         'iw_wikiid' => '',
 286                                         'iw_local' => 1 ),
 287                                 'ru' => array(
 288                                         'iw_url' => 'http://ru.wikipedia.org/wiki/$1',
 289                                         'iw_api' => '',
 290                                         'iw_wikiid' => '',
 291                                         'iw_local' => 1 ),
 292                                 'mi' => array(
 293                                         'iw_url' => 'http://mi.wikipedia.org/wiki/$1',
 294                                         'iw_api' => '',
 295                                         'iw_wikiid' => '',
 296                                         'iw_local' => 1 ),
 297                                 'mul' => array(
 298                                         'iw_url' => 'http://wikisource.org/wiki/$1',
 299                                         'iw_api' => '',
 300                                         'iw_wikiid' => '',
 301                                         'iw_local' => 1 ),
 302                         );
 303                         if ( array_key_exists( $prefix, $testInterwikis ) ) {
 304                                 $iwData = $testInterwikis[$prefix];
 305                         }
 306
 307                         // We only want to rely on the above fixtures
 308                         return false;
 309                 } );// hooks::register
 310         }
 311
 312         /**
 313          * Remove the hardcoded interwiki lookup table.
 314          */
 315         public static function tearDownInterwikis() {
 316                 Hooks::clear( 'InterwikiLoadPrefix' );
 317         }
 318
 319         public function setupRecorder( $options ) {
 320                 if ( isset( $options['record'] ) ) {
 321                         $this->recorder = new DbTestRecorder( $this );
 322                         $this->recorder->version = isset( $options['setversion'] ) ?
 323                                 $options['setversion'] : SpecialVersion::getVersion();
 324                 } elseif ( isset( $options['compare'] ) ) {
 325                         $this->recorder = new DbTestPreviewer( $this );
 326                 } else {
 327                         $this->recorder = new TestRecorder( $this );
 328                 }
 329         }
 330
 331         /**
 332          * Remove last character if it is a newline
 333          * @group utility
 334          * @param string $s
 335          * @return string
 336          */
 337         public static function chomp( $s ) {
 338                 if ( substr( $s, -1 ) === "\n" ) {
 339                         return substr( $s, 0, -1 );
 340                 } else {
 341                         return $s;
 342                 }
 343         }
 344
 345         /**
 346          * Run a fuzz test series
 347          * Draw input from a set of test files
 348          * @param array $filenames
 349          */
 350         function fuzzTest( $filenames ) {
 351                 $GLOBALS['wgContLang'] = Language::factory( 'en' );
 352                 $dict = $this->getFuzzInput( $filenames );
 353                 $dictSize = strlen( $dict );
 354                 $logMaxLength = log( $this->maxFuzzTestLength );
 355                 $this->setupDatabase();
 356                 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
 357
 358                 $numTotal = 0;
 359                 $numSuccess = 0;
 360                 $user = new User;
 361                 $opts = ParserOptions::newFromUser( $user );
 362                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
 363
 364                 while ( true ) {
 365                         // Generate test input
 366                         mt_srand( ++$this->fuzzSeed );
 367                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
 368                         $input = '';
 369
 370                         while ( strlen( $input ) < $totalLength ) {
 371                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
 372                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
 373                                 $offset = mt_rand( 0, $dictSize - $hairLength );
 374                                 $input .= substr( $dict, $offset, $hairLength );
 375                         }
 376
 377                         $this->setupGlobals();
 378                         $parser = $this->getParser();
 379
 380                         // Run the test
 381                         try {
 382                                 $parser->parse( $input, $title, $opts );
 383                                 $fail = false;
 384                         } catch ( Exception $exception ) {
 385                                 $fail = true;
 386                         }
 387
 388                         if ( $fail ) {
 389                                 echo "Test failed with seed {$this->fuzzSeed}\n";
 390                                 echo "Input:\n";
 391                                 printf( "string(%d) \"%s\"\n\n", strlen( $input ), $input );
 392                                 echo "$exception\n";
 393                         } else {
 394                                 $numSuccess++;
 395                         }
 396
 397                         $numTotal++;
 398                         $this->teardownGlobals();
 399                         $parser->__destruct();
 400
 401                         if ( $numTotal % 100 == 0 ) {
 402                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
 403                                 echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
 404                                 if ( $usage > 90 ) {
 405                                         echo "Out of memory:\n";
 406                                         $memStats = $this->getMemoryBreakdown();
 407
 408                                         foreach ( $memStats as $name => $usage ) {
 409                                                 echo "$name: $usage\n";
 410                                         }
 411                                         $this->abort();
 412                                 }
 413                         }
 414                 }
 415         }
 416
 417         /**
 418          * Get an input dictionary from a set of parser test files
 419          * @param array $filenames
 420          * @return string
 421          */
 422         function getFuzzInput( $filenames ) {
 423                 $dict = '';
 424
 425                 foreach ( $filenames as $filename ) {
 426                         $contents = file_get_contents( $filename );
 427                         preg_match_all(
 428                                 '/!!\s*(input|wikitext)\n(.*?)\n!!\s*(result|html|html\/\*|html\/php)/s',
 429                                 $contents,
 430                                 $matches
 431                         );
 432
 433                         foreach ( $matches[1] as $match ) {
 434                                 $dict .= $match . "\n";
 435                         }
 436                 }
 437
 438                 return $dict;
 439         }
 440
 441         /**
 442          * Get a memory usage breakdown
 443          * @return array
 444          */
 445         function getMemoryBreakdown() {
 446                 $memStats = array();
 447
 448                 foreach ( $GLOBALS as $name => $value ) {
 449                         $memStats['$' . $name] = strlen( serialize( $value ) );
 450                 }
 451
 452                 $classes = get_declared_classes();
 453
 454                 foreach ( $classes as $class ) {
 455                         $rc = new ReflectionClass( $class );
 456                         $props = $rc->getStaticProperties();
 457                         $memStats[$class] = strlen( serialize( $props ) );
 458                         $methods = $rc->getMethods();
 459
 460                         foreach ( $methods as $method ) {
 461                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 462                         }
 463                 }
 464
 465                 $functions = get_defined_functions();
 466
 467                 foreach ( $functions['user'] as $function ) {
 468                         $rf = new ReflectionFunction( $function );
 469                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 470                 }
 471
 472                 asort( $memStats );
 473
 474                 return $memStats;
 475         }
 476
 477         function abort() {
 478                 $this->abort();
 479         }
 480
 481         /**
 482          * Run a series of tests listed in the given text files.
 483          * Each test consists of a brief description, wikitext input,
 484          * and the expected HTML output.
 485          *
 486          * Prints status updates on stdout and counts up the total
 487          * number and percentage of passed tests.
 488          *
 489          * @param array $filenames Array of strings
 490          * @return bool True if passed all tests, false if any tests failed.
 491          */
 492         public function runTestsFromFiles( $filenames ) {
 493                 $ok = false;
 494
 495                 // be sure, ParserTest::addArticle has correct language set,
 496                 // so that system messages gets into the right language cache
 497                 $GLOBALS['wgLanguageCode'] = 'en';
 498                 $GLOBALS['wgContLang'] = Language::factory( 'en' );
 499
 500                 $this->recorder->start();
 501                 try {
 502                         $this->setupDatabase();
 503                         $ok = true;
 504
 505                         foreach ( $filenames as $filename ) {
 506                                 $tests = new TestFileIterator( $filename, $this );
 507                                 $ok = $this->runTests( $tests ) && $ok;
 508                         }
 509
 510                         $this->teardownDatabase();
 511                         $this->recorder->report();
 512                 } catch ( DBError $e ) {
 513                         echo $e->getMessage();
 514                 }
 515                 $this->recorder->end();
 516
 517                 return $ok;
 518         }
 519
 520         function runTests( $tests ) {
 521                 $ok = true;
 522
 523                 foreach ( $tests as $t ) {
 524                         $result =
 525                                 $this->runTest( $t['test'], $t['input'], $t['result'], $t['options'], $t['config'] );
 526                         $ok = $ok && $result;
 527                         $this->recorder->record( $t['test'], $result );
 528                 }
 529
 530                 if ( $this->showProgress ) {
 531                         print "\n";
 532                 }
 533
 534                 return $ok;
 535         }
 536
 537         /**
 538          * Get a Parser object
 539          *
 540          * @param string $preprocessor
 541          * @return Parser
 542          */
 543         function getParser( $preprocessor = null ) {
 544                 global $wgParserConf;
 545
 546                 $class = $wgParserConf['class'];
 547                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
 548
 549                 foreach ( $this->hooks as $tag => $callback ) {
 550                         $parser->setHook( $tag, $callback );
 551                 }
 552
 553                 foreach ( $this->functionHooks as $tag => $bits ) {
 554                         list( $callback, $flags ) = $bits;
 555                         $parser->setFunctionHook( $tag, $callback, $flags );
 556                 }
 557
 558                 foreach ( $this->transparentHooks as $tag => $callback ) {
 559                         $parser->setTransparentTagHook( $tag, $callback );
 560                 }
 561
 562                 Hooks::run( 'ParserTestParser', array( &$parser ) );
 563
 564                 return $parser;
 565         }
 566
 567         /**
 568          * Run a given wikitext input through a freshly-constructed wiki parser,
 569          * and compare the output against the expected results.
 570          * Prints status and explanatory messages to stdout.
 571          *
 572          * @param string $desc Test's description
 573          * @param string $input Wikitext to try rendering
 574          * @param string $result Result to output
 575          * @param array $opts Test's options
 576          * @param string $config Overrides for global variables, one per line
 577          * @return bool
 578          */
 579         public function runTest( $desc, $input, $result, $opts, $config ) {
 580                 if ( $this->showProgress ) {
 581                         $this->showTesting( $desc );
 582                 }
 583
 584                 $opts = $this->parseOptions( $opts );
 585                 $context = $this->setupGlobals( $opts, $config );
 586
 587                 $user = $context->getUser();
 588                 $options = ParserOptions::newFromContext( $context );
 589
 590                 if ( isset( $opts['djvu'] ) ) {
 591                         if ( !$this->djVuSupport->isEnabled() ) {
 592                                 return $this->showSkipped();
 593                         }
 594                 }
 595
 596                 if ( isset( $opts['title'] ) ) {
 597                         $titleText = $opts['title'];
 598                 } else {
 599                         $titleText = 'Parser test';
 600                 }
 601
 602                 $local = isset( $opts['local'] );
 603                 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
 604                 $parser = $this->getParser( $preprocessor );
 605                 $title = Title::newFromText( $titleText );
 606
 607                 if ( isset( $opts['pst'] ) ) {
 608                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
 609                 } elseif ( isset( $opts['msg'] ) ) {
 610                         $out = $parser->transformMsg( $input, $options, $title );
 611                 } elseif ( isset( $opts['section'] ) ) {
 612                         $section = $opts['section'];
 613                         $out = $parser->getSection( $input, $section );
 614                 } elseif ( isset( $opts['replace'] ) ) {
 615                         $section = $opts['replace'][0];
 616                         $replace = $opts['replace'][1];
 617                         $out = $parser->replaceSection( $input, $section, $replace );
 618                 } elseif ( isset( $opts['comment'] ) ) {
 619                         $out = Linker::formatComment( $input, $title, $local );
 620                 } elseif ( isset( $opts['preload'] ) ) {
 621                         $out = $parser->getPreloadText( $input, $title, $options );
 622                 } else {
 623                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
 624                         $output->setTOCEnabled( !isset( $opts['notoc'] ) );
 625                         $out = $output->getText();
 626                         if ( isset( $opts['tidy'] ) ) {
 627                                 if ( !$this->tidySupport->isEnabled() ) {
 628                                         return $this->showSkipped();
 629                                 }
 630                                 $out = MWTidy::tidy( $out );
 631                                 $out = preg_replace( '/\s+$/', '', $out );
 632                         }
 633
 634                         if ( isset( $opts['showtitle'] ) ) {
 635                                 if ( $output->getTitleText() ) {
 636                                         $title = $output->getTitleText();
 637                                 }
 638
 639                                 $out = "$title\n$out";
 640                         }
 641
 642                         if ( isset( $opts['ill'] ) ) {
 643                                 $out = implode( ' ', $output->getLanguageLinks() );
 644                         } elseif ( isset( $opts['cat'] ) ) {
 645                                 $outputPage = $context->getOutput();
 646                                 $outputPage->addCategoryLinks( $output->getCategories() );
 647                                 $cats = $outputPage->getCategoryLinks();
 648
 649                                 if ( isset( $cats['normal'] ) ) {
 650                                         $out = implode( ' ', $cats['normal'] );
 651                                 } else {
 652                                         $out = '';
 653                                 }
 654                         }
 655                 }
 656
 657                 $this->teardownGlobals();
 658
 659                 $testResult = new ParserTestResult( $desc );
 660                 $testResult->expected = $result;
 661                 $testResult->actual = $out;
 662
 663                 return $this->showTestResult( $testResult );
 664         }
 665
 666         /**
 667          * Refactored in 1.22 to use ParserTestResult
 668          * @param ParserTestResult $testResult
 669          * @return bool
 670          */
 671         function showTestResult( ParserTestResult $testResult ) {
 672                 if ( $testResult->isSuccess() ) {
 673                         $this->showSuccess( $testResult );
 674                         return true;
 675                 } else {
 676                         $this->showFailure( $testResult );
 677                         return false;
 678                 }
 679         }
 680
 681         /**
 682          * Use a regex to find out the value of an option
 683          * @param string $key Name of option val to retrieve
 684          * @param array $opts Options array to look in
 685          * @param mixed $default Default value returned if not found
 686          * @return mixed
 687          */
 688         private static function getOptionValue( $key, $opts, $default ) {
 689                 $key = strtolower( $key );
 690
 691                 if ( isset( $opts[$key] ) ) {
 692                         return $opts[$key];
 693                 } else {
 694                         return $default;
 695                 }
 696         }
 697
 698         private function parseOptions( $instring ) {
 699                 $opts = array();
 700                 // foo
 701                 // foo=bar
 702                 // foo="bar baz"
 703                 // foo=[[bar baz]]
 704                 // foo=bar,"baz quux"
 705                 // foo={...json...}
 706                 $defs = '(?(DEFINE)
 707                         (?<qstr>                                        # Quoted string
 708                                 "
 709                                 (?:[^\\\\"] | \\\\.)*
 710                                 "
 711                         )
 712                         (?<json>
 713                                 \{              # Open bracket
 714                                 (?:
 715                                         [^"{}] |                                # Not a quoted string or object, or
 716                                         (?&qstr) |                              # A quoted string, or
 717                                         (?&json)                                # A json object (recursively)
 718                                 )*
 719                                 \}              # Close bracket
 720                         )
 721             (?<value>
 722                                 (?:
 723                                         (?&qstr)                        # Quoted val
 724                                 |
 725                                         \[\[
 726                                                 [^]]*                   # Link target
 727                                         \]\]
 728                                 |
 729                                         [\w-]+                          # Plain word
 730                                 |
 731                                         (?&json)                        # JSON object
 732                                 )
 733                         )
 734                 )';
 735                 $regex = '/' . $defs . '\b
 736                         (?<k>[\w-]+)                            # Key
 737                         \b
 738                         (?:\s*
 739                                 =                                               # First sub-value
 740                                 \s*
 741                                 (?<v>
 742                                         (?&value)
 743                                         (?:\s*
 744                                                 ,                               # Sub-vals 1..N
 745                                                 \s*
 746                                                 (?&value)
 747                                         )*
 748                                 )
 749                         )?
 750                         /x';
 751                 $valueregex = '/' . $defs . '(?&value)/x';
 752
 753                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
 754                         foreach ( $matches as $bits ) {
 755                                 $key = strtolower( $bits['k'] );
 756                                 if ( !isset( $bits['v'] ) ) {
 757                                         $opts[$key] = true;
 758                                 } else {
 759                                         preg_match_all( $valueregex, $bits['v'], $vmatches );
 760                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $vmatches[0] );
 761                                         if ( count( $opts[$key] ) == 1 ) {
 762                                                 $opts[$key] = $opts[$key][0];
 763                                         }
 764                                 }
 765                         }
 766                 }
 767                 return $opts;
 768         }
 769
 770         private function cleanupOption( $opt ) {
 771                 if ( substr( $opt, 0, 1 ) == '"' ) {
 772                         return stripcslashes( substr( $opt, 1, -1 ) );
 773                 }
 774
 775                 if ( substr( $opt, 0, 2 ) == '[[' ) {
 776                         return substr( $opt, 2, -2 );
 777                 }
 778
 779                 if ( substr( $opt, 0, 1 ) == '{' ) {
 780                         return FormatJson::decode( $opt, true );
 781                 }
 782                 return $opt;
 783         }
 784
 785         /**
 786          * Set up the global variables for a consistent environment for each test.
 787          * Ideally this should replace the global configuration entirely.
 788          * @param string $opts
 789          * @param string $config
 790          * @return RequestContext
 791          */
 792         private function setupGlobals( $opts = '', $config = '' ) {
 793                 global $IP;
 794
 795                 # Find out values for some special options.
 796                 $lang =
 797                         self::getOptionValue( 'language', $opts, 'en' );
 798                 $variant =
 799                         self::getOptionValue( 'variant', $opts, false );
 800                 $maxtoclevel =
 801                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 802                 $linkHolderBatchSize =
 803                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 804
 805                 $settings = array(
 806                         'wgServer' => 'http://example.org',
 807                         'wgServerName' => 'example.org',
 808                         'wgScript' => '/index.php',
 809                         'wgScriptPath' => '/',
 810                         'wgArticlePath' => '/wiki/$1',
 811                         'wgActionPaths' => array(),
 812                         'wgLockManagers' => array( array(
 813                                 'name' => 'fsLockManager',
 814                                 'class' => 'FSLockManager',
 815                                 'lockDirectory' => $this->uploadDir . '/lockdir',
 816                         ), array(
 817                                 'name' => 'nullLockManager',
 818                                 'class' => 'NullLockManager',
 819                         ) ),
 820                         'wgLocalFileRepo' => array(
 821                                 'class' => 'LocalRepo',
 822                                 'name' => 'local',
 823                                 'url' => 'http://example.com/images',
 824                                 'hashLevels' => 2,
 825                                 'transformVia404' => false,
 826                                 'backend' => new FSFileBackend( array(
 827                                         'name' => 'local-backend',
 828                                         'wikiId' => wfWikiId(),
 829                                         'containerPaths' => array(
 830                                                 'local-public' => $this->uploadDir,
 831                                                 'local-thumb' => $this->uploadDir . '/thumb',
 832                                                 'local-temp' => $this->uploadDir . '/temp',
 833                                                 'local-deleted' => $this->uploadDir . '/delete',
 834                                         )
 835                                 ) )
 836                         ),
 837                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
 838                         'wgUploadNavigationUrl' => false,
 839                         'wgStylePath' => '/skins',
 840                         'wgSitename' => 'MediaWiki',
 841                         'wgLanguageCode' => $lang,
 842                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'parsertest_' : 'pt_',
 843                         'wgRawHtml' => self::getOptionValue( 'wgRawHtml', $opts, false ),
 844                         'wgLang' => null,
 845                         'wgContLang' => null,
 846                         'wgNamespacesWithSubpages' => array( 0 => isset( $opts['subpage'] ) ),
 847                         'wgMaxTocLevel' => $maxtoclevel,
 848                         'wgCapitalLinks' => true,
 849                         'wgNoFollowLinks' => true,
 850                         'wgNoFollowDomainExceptions' => array(),
 851                         'wgThumbnailScriptPath' => false,
 852                         'wgUseImageResize' => true,
 853                         'wgSVGConverter' => 'null',
 854                         'wgSVGConverters' => array( 'null' => 'echo "1">$output' ),
 855                         'wgLocaltimezone' => 'UTC',
 856                         'wgAllowExternalImages' => self::getOptionValue( 'wgAllowExternalImages', $opts, true ),
 857                         'wgThumbLimits' => array( self::getOptionValue( 'thumbsize', $opts, 180 ) ),
 858                         'wgDefaultLanguageVariant' => $variant,
 859                         'wgVariantArticlePath' => false,
 860                         'wgGroupPermissions' => array( '*' => array(
 861                                 'createaccount' => true,
 862                                 'read' => true,
 863                                 'edit' => true,
 864                                 'createpage' => true,
 865                                 'createtalk' => true,
 866                         ) ),
 867                         'wgNamespaceProtection' => array( NS_MEDIAWIKI => 'editinterface' ),
 868                         'wgDefaultExternalStore' => array(),
 869                         'wgForeignFileRepos' => array(),
 870                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 871                         'wgExperimentalHtmlIds' => false,
 872                         'wgExternalLinkTarget' => false,
 873                         'wgHtml5' => true,
 874                         'wgWellFormedXml' => true,
 875                         'wgAllowMicrodataAttributes' => true,
 876                         'wgAdaptiveMessageCache' => true,
 877                         'wgDisableLangConversion' => false,
 878                         'wgDisableTitleConversion' => false,
 879                         // Tidy options.
 880                         // We always set 'wgUseTidy' to false when parsing, but certain
 881                         // test-running modes still use tidy if available, so ensure
 882                         // that the tidy-related options are all set to their defaults.
 883                         'wgUseTidy' => false,
 884                         'wgAlwaysUseTidy' => false,
 885                         'wgDebugTidy' => false,
 886                         'wgTidyConf' => $IP . '/includes/tidy.conf',
 887                         'wgTidyOpts' => '',
 888                         'wgTidyInternal' => $this->tidySupport->isInternal(),
 889                 );
 890
 891                 if ( $config ) {
 892                         $configLines = explode( "\n", $config );
 893
 894                         foreach ( $configLines as $line ) {
 895                                 list( $var, $value ) = explode( '=', $line, 2 );
 896
 897                                 $settings[$var] = eval( "return $value;" );
 898                         }
 899                 }
 900
 901                 $this->savedGlobals = array();
 902
 903                 /** @since 1.20 */
 904                 Hooks::run( 'ParserTestGlobals', array( &$settings ) );
 905
 906                 foreach ( $settings as $var => $val ) {
 907                         if ( array_key_exists( $var, $GLOBALS ) ) {
 908                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 909                         }
 910
 911                         $GLOBALS[$var] = $val;
 912                 }
 913
 914                 $GLOBALS['wgContLang'] = Language::factory( $lang );
 915                 $GLOBALS['wgMemc'] = new EmptyBagOStuff;
 916
 917                 $context = new RequestContext();
 918                 $GLOBALS['wgLang'] = $context->getLanguage();
 919                 $GLOBALS['wgOut'] = $context->getOutput();
 920                 $GLOBALS['wgUser'] = $context->getUser();
 921
 922                 // We (re)set $wgThumbLimits to a single-element array above.
 923                 $context->getUser()->setOption( 'thumbsize', 0 );
 924
 925                 global $wgHooks;
 926
 927                 $wgHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
 928                 $wgHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
 929
 930                 MagicWord::clearCache();
 931
 932                 return $context;
 933         }
 934
 935         /**
 936          * List of temporary tables to create, without prefix.
 937          * Some of these probably aren't necessary.
 938          * @return array
 939          */
 940         private function listTables() {
 941                 $tables = array( 'user', 'user_properties', 'user_former_groups', 'page', 'page_restrictions',
 942                         'protected_titles', 'revision', 'text', 'pagelinks', 'imagelinks',
 943                         'categorylinks', 'templatelinks', 'externallinks', 'langlinks', 'iwlinks',
 944                         'site_stats', 'ipblocks', 'image', 'oldimage',
 945                         'recentchanges', 'watchlist', 'interwiki', 'logging',
 946                         'querycache', 'objectcache', 'job', 'l10n_cache', 'redirect', 'querycachetwo',
 947                         'archive', 'user_groups', 'page_props', 'category', 'msg_resource', 'msg_resource_links'
 948                 );
 949
 950                 if ( in_array( $this->db->getType(), array( 'mysql', 'sqlite', 'oracle' ) ) ) {
 951                         array_push( $tables, 'searchindex' );
 952                 }
 953
 954                 // Allow extensions to add to the list of tables to duplicate;
 955                 // may be necessary if they hook into page save or other code
 956                 // which will require them while running tests.
 957                 Hooks::run( 'ParserTestTables', array( &$tables ) );
 958
 959                 return $tables;
 960         }
 961
 962         /**
 963          * Set up a temporary set of wiki tables to work with for the tests.
 964          * Currently this will only be done once per run, and any changes to
 965          * the db will be visible to later tests in the run.
 966          */
 967         public function setupDatabase() {
 968                 global $wgDBprefix;
 969
 970                 if ( $this->databaseSetupDone ) {
 971                         return;
 972                 }
 973
 974                 $this->db = wfGetDB( DB_MASTER );
 975                 $dbType = $this->db->getType();
 976
 977                 if ( $wgDBprefix === 'parsertest_' || ( $dbType == 'oracle' && $wgDBprefix === 'pt_' ) ) {
 978                         throw new MWException( 'setupDatabase should be called before setupGlobals' );
 979                 }
 980
 981                 $this->databaseSetupDone = true;
 982
 983                 # SqlBagOStuff broke when using temporary tables on r40209 (bug 15892).
 984                 # It seems to have been fixed since (r55079?), but regressed at some point before r85701.
 985                 # This works around it for now...
 986                 ObjectCache::$instances[CACHE_DB] = new HashBagOStuff;
 987
 988                 # CREATE TEMPORARY TABLE breaks if there is more than one server
 989                 if ( wfGetLB()->getServerCount() != 1 ) {
 990                         $this->useTemporaryTables = false;
 991                 }
 992
 993                 $temporary = $this->useTemporaryTables || $dbType == 'postgres';
 994                 $prefix = $dbType != 'oracle' ? 'parsertest_' : 'pt_';
 995
 996                 $this->dbClone = new CloneDatabase( $this->db, $this->listTables(), $prefix );
 997                 $this->dbClone->useTemporaryTables( $temporary );
 998                 $this->dbClone->cloneTableStructure();
 999
1000                 if ( $dbType == 'oracle' ) {
1001                         $this->db->query( 'BEGIN FILL_WIKI_INFO; END;' );
1002                         # Insert 0 user to prevent FK violations
1003
1004                         # Anonymous user
1005                         $this->db->insert( 'user', array(
1006                                 'user_id' => 0,
1007                                 'user_name' => 'Anonymous' ) );
1008                 }
1009
1010                 # Update certain things in site_stats
1011                 $this->db->insert( 'site_stats',
1012                         array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ) );
1013
1014                 # Reinitialise the LocalisationCache to match the database state
1015                 Language::getLocalisationCache()->unloadAll();
1016
1017                 # Clear the message cache
1018                 MessageCache::singleton()->clear();
1019
1020                 // Remember to update newParserTests.php after changing the below
1021                 // (and it uses a slightly different syntax just for teh lulz)
1022                 $this->uploadDir = $this->setupUploadDir();
1023                 $user = User::createNew( 'WikiSysop' );
1024                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
1025                 # note that the size/width/height/bits/etc of the file
1026                 # are actually set by inspecting the file itself; the arguments
1027                 # to recordUpload2 have no effect.  That said, we try to make things
1028                 # match up so it is less confusing to readers of the code & tests.
1029                 $image->recordUpload2( '', 'Upload of some lame file', 'Some lame file', array(
1030                         'size' => 7881,
1031                         'width' => 1941,
1032                         'height' => 220,
1033                         'bits' => 8,
1034                         'media_type' => MEDIATYPE_BITMAP,
1035                         'mime' => 'image/jpeg',
1036                         'metadata' => serialize( array() ),
1037                         'sha1' => wfBaseConvert( '1', 16, 36, 31 ),
1038                         'fileExists' => true
1039                 ), $this->db->timestamp( '20010115123500' ), $user );
1040
1041                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) );
1042                 # again, note that size/width/height below are ignored; see above.
1043                 $image->recordUpload2( '', 'Upload of some lame thumbnail', 'Some lame thumbnail', array(
1044                         'size' => 22589,
1045                         'width' => 135,
1046                         'height' => 135,
1047                         'bits' => 8,
1048                         'media_type' => MEDIATYPE_BITMAP,
1049                         'mime' => 'image/png',
1050                         'metadata' => serialize( array() ),
1051                         'sha1' => wfBaseConvert( '2', 16, 36, 31 ),
1052                         'fileExists' => true
1053                 ), $this->db->timestamp( '20130225203040' ), $user );
1054
1055                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.svg' ) );
1056                 $image->recordUpload2( '', 'Upload of some lame SVG', 'Some lame SVG', array(
1057                                 'size'        => 12345,
1058                                 'width'       => 240,
1059                                 'height'      => 180,
1060                                 'bits'        => 0,
1061                                 'media_type'  => MEDIATYPE_DRAWING,
1062                                 'mime'        => 'image/svg+xml',
1063                                 'metadata'    => serialize( array() ),
1064                                 'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
1065                                 'fileExists'  => true
1066                 ), $this->db->timestamp( '20010115123500' ), $user );
1067
1068                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
1069                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
1070                 $image->recordUpload2( '', 'zomgnotcensored', 'Borderline image', array(
1071                         'size' => 12345,
1072                         'width' => 320,
1073                         'height' => 240,
1074                         'bits' => 24,
1075                         'media_type' => MEDIATYPE_BITMAP,
1076                         'mime' => 'image/jpeg',
1077                         'metadata' => serialize( array() ),
1078                         'sha1' => wfBaseConvert( '3', 16, 36, 31 ),
1079                         'fileExists' => true
1080                 ), $this->db->timestamp( '20010115123500' ), $user );
1081
1082                 # A DjVu file
1083                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'LoremIpsum.djvu' ) );
1084                 $image->recordUpload2( '', 'Upload a DjVu', 'A DjVu', array(
1085                         'size' => 3249,
1086                         'width' => 2480,
1087                         'height' => 3508,
1088                         'bits' => 0,
1089                         'media_type' => MEDIATYPE_BITMAP,
1090                         'mime' => 'image/vnd.djvu',
1091                         'metadata' => '<?xml version="1.0" ?>
1092 <!DOCTYPE DjVuXML PUBLIC "-//W3C//DTD DjVuXML 1.1//EN" "pubtext/DjVuXML-s.dtd">
1093 <DjVuXML>
1094 <HEAD></HEAD>
1095 <BODY><OBJECT height="3508" width="2480">
1096 <PARAM name="DPI" value="300" />
1097 <PARAM name="GAMMA" value="2.2" />
1098 </OBJECT>
1099 <OBJECT height="3508" width="2480">
1100 <PARAM name="DPI" value="300" />
1101 <PARAM name="GAMMA" value="2.2" />
1102 </OBJECT>
1103 <OBJECT height="3508" width="2480">
1104 <PARAM name="DPI" value="300" />
1105 <PARAM name="GAMMA" value="2.2" />
1106 </OBJECT>
1107 <OBJECT height="3508" width="2480">
1108 <PARAM name="DPI" value="300" />
1109 <PARAM name="GAMMA" value="2.2" />
1110 </OBJECT>
1111 <OBJECT height="3508" width="2480">
1112 <PARAM name="DPI" value="300" />
1113 <PARAM name="GAMMA" value="2.2" />
1114 </OBJECT>
1115 </BODY>
1116 </DjVuXML>',
1117                         'sha1' => wfBaseConvert( '', 16, 36, 31 ),
1118                         'fileExists' => true
1119                 ), $this->db->timestamp( '20010115123600' ), $user );
1120         }
1121
1122         public function teardownDatabase() {
1123                 if ( !$this->databaseSetupDone ) {
1124                         $this->teardownGlobals();
1125                         return;
1126                 }
1127                 $this->teardownUploadDir( $this->uploadDir );
1128
1129                 $this->dbClone->destroy();
1130                 $this->databaseSetupDone = false;
1131
1132                 if ( $this->useTemporaryTables ) {
1133                         if ( $this->db->getType() == 'sqlite' ) {
1134                                 # Under SQLite the searchindex table is virtual and need
1135                                 # to be explicitly destroyed. See bug 29912
1136                                 # See also MediaWikiTestCase::destroyDB()
1137                                 wfDebug( __METHOD__ . " explicitly destroying sqlite virtual table parsertest_searchindex\n" );
1138                                 $this->db->query( "DROP TABLE `parsertest_searchindex`" );
1139                         }
1140                         # Don't need to do anything
1141                         $this->teardownGlobals();
1142                         return;
1143                 }
1144
1145                 $tables = $this->listTables();
1146
1147                 foreach ( $tables as $table ) {
1148                         if ( $this->db->getType() == 'oracle' ) {
1149                                 $this->db->query( "DROP TABLE pt_$table DROP CONSTRAINTS" );
1150                         } else {
1151                                 $this->db->query( "DROP TABLE `parsertest_$table`" );
1152                         }
1153                 }
1154
1155                 if ( $this->db->getType() == 'oracle' ) {
1156                         $this->db->query( 'BEGIN FILL_WIKI_INFO; END;' );
1157                 }
1158
1159                 $this->teardownGlobals();
1160         }
1161
1162         /**
1163          * Create a dummy uploads directory which will contain a couple
1164          * of files in order to pass existence tests.
1165          *
1166          * @return string The directory
1167          */
1168         private function setupUploadDir() {
1169                 global $IP;
1170
1171                 if ( $this->keepUploads ) {
1172                         $dir = wfTempDir() . '/mwParser-images';
1173
1174                         if ( is_dir( $dir ) ) {
1175                                 return $dir;
1176                         }
1177                 } else {
1178                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
1179                 }
1180
1181                 // wfDebug( "Creating upload directory $dir\n" );
1182                 if ( file_exists( $dir ) ) {
1183                         wfDebug( "Already exists!\n" );
1184                         return $dir;
1185                 }
1186
1187                 wfMkdirParents( $dir . '/3/3a', null, __METHOD__ );
1188                 copy( "$IP/tests/phpunit/data/parser/headbg.jpg", "$dir/3/3a/Foobar.jpg" );
1189                 wfMkdirParents( $dir . '/e/ea', null, __METHOD__ );
1190                 copy( "$IP/tests/phpunit/data/parser/wiki.png", "$dir/e/ea/Thumb.png" );
1191                 wfMkdirParents( $dir . '/0/09', null, __METHOD__ );
1192                 copy( "$IP/tests/phpunit/data/parser/headbg.jpg", "$dir/0/09/Bad.jpg" );
1193                 wfMkdirParents( $dir . '/f/ff', null, __METHOD__ );
1194                 file_put_contents( "$dir/f/ff/Foobar.svg",
1195                         '<?xml version="1.0" encoding="utf-8"?>' .
1196                         '<svg xmlns="http://www.w3.org/2000/svg"' .
1197                         ' version="1.1" width="240" height="180"/>' );
1198                 wfMkdirParents( $dir . '/5/5f', null, __METHOD__ );
1199                 copy( "$IP/tests/phpunit/data/parser/LoremIpsum.djvu", "$dir/5/5f/LoremIpsum.djvu" );
1200
1201                 return $dir;
1202         }
1203
1204         /**
1205          * Restore default values and perform any necessary clean-up
1206          * after each test runs.
1207          */
1208         private function teardownGlobals() {
1209                 RepoGroup::destroySingleton();
1210                 FileBackendGroup::destroySingleton();
1211                 LockManagerGroup::destroySingletons();
1212                 LinkCache::singleton()->clear();
1213
1214                 foreach ( $this->savedGlobals as $var => $val ) {
1215                         $GLOBALS[$var] = $val;
1216                 }
1217         }
1218
1219         /**
1220          * Remove the dummy uploads directory
1221          * @param string $dir
1222          */
1223         private function teardownUploadDir( $dir ) {
1224                 if ( $this->keepUploads ) {
1225                         return;
1226                 }
1227
1228                 // delete the files first, then the dirs.
1229                 self::deleteFiles(
1230                         array(
1231                                 "$dir/3/3a/Foobar.jpg",
1232                                 "$dir/thumb/3/3a/Foobar.jpg/1000px-Foobar.jpg",
1233                                 "$dir/thumb/3/3a/Foobar.jpg/100px-Foobar.jpg",
1234                                 "$dir/thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
1235                                 "$dir/thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
1236                                 "$dir/thumb/3/3a/Foobar.jpg/137px-Foobar.jpg",
1237                                 "$dir/thumb/3/3a/Foobar.jpg/1500px-Foobar.jpg",
1238                                 "$dir/thumb/3/3a/Foobar.jpg/177px-Foobar.jpg",
1239                                 "$dir/thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
1240                                 "$dir/thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
1241                                 "$dir/thumb/3/3a/Foobar.jpg/206px-Foobar.jpg",
1242                                 "$dir/thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
1243                                 "$dir/thumb/3/3a/Foobar.jpg/220px-Foobar.jpg",
1244                                 "$dir/thumb/3/3a/Foobar.jpg/265px-Foobar.jpg",
1245                                 "$dir/thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
1246                                 "$dir/thumb/3/3a/Foobar.jpg/274px-Foobar.jpg",
1247                                 "$dir/thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
1248                                 "$dir/thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
1249                                 "$dir/thumb/3/3a/Foobar.jpg/330px-Foobar.jpg",
1250                                 "$dir/thumb/3/3a/Foobar.jpg/353px-Foobar.jpg",
1251                                 "$dir/thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
1252                                 "$dir/thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
1253                                 "$dir/thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
1254                                 "$dir/thumb/3/3a/Foobar.jpg/440px-Foobar.jpg",
1255                                 "$dir/thumb/3/3a/Foobar.jpg/442px-Foobar.jpg",
1256                                 "$dir/thumb/3/3a/Foobar.jpg/450px-Foobar.jpg",
1257                                 "$dir/thumb/3/3a/Foobar.jpg/50px-Foobar.jpg",
1258                                 "$dir/thumb/3/3a/Foobar.jpg/600px-Foobar.jpg",
1259                                 "$dir/thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
1260                                 "$dir/thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
1261                                 "$dir/thumb/3/3a/Foobar.jpg/75px-Foobar.jpg",
1262                                 "$dir/thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
1263
1264                                 "$dir/e/ea/Thumb.png",
1265
1266                                 "$dir/0/09/Bad.jpg",
1267
1268                                 "$dir/5/5f/LoremIpsum.djvu",
1269                                 "$dir/thumb/5/5f/LoremIpsum.djvu/page2-2480px-LoremIpsum.djvu.jpg",
1270                                 "$dir/thumb/5/5f/LoremIpsum.djvu/page2-3720px-LoremIpsum.djvu.jpg",
1271                                 "$dir/thumb/5/5f/LoremIpsum.djvu/page2-4960px-LoremIpsum.djvu.jpg",
1272
1273                                 "$dir/f/ff/Foobar.svg",
1274                                 "$dir/thumb/f/ff/Foobar.svg/180px-Foobar.svg.png",
1275                                 "$dir/thumb/f/ff/Foobar.svg/2000px-Foobar.svg.png",
1276                                 "$dir/thumb/f/ff/Foobar.svg/270px-Foobar.svg.png",
1277                                 "$dir/thumb/f/ff/Foobar.svg/3000px-Foobar.svg.png",
1278                                 "$dir/thumb/f/ff/Foobar.svg/360px-Foobar.svg.png",
1279                                 "$dir/thumb/f/ff/Foobar.svg/4000px-Foobar.svg.png",
1280                                 "$dir/thumb/f/ff/Foobar.svg/langde-180px-Foobar.svg.png",
1281                                 "$dir/thumb/f/ff/Foobar.svg/langde-270px-Foobar.svg.png",
1282                                 "$dir/thumb/f/ff/Foobar.svg/langde-360px-Foobar.svg.png",
1283
1284                                 "$dir/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
1285                         )
1286                 );
1287
1288                 self::deleteDirs(
1289                         array(
1290                                 "$dir/3/3a",
1291                                 "$dir/3",
1292                                 "$dir/thumb/3/3a/Foobar.jpg",
1293                                 "$dir/thumb/3/3a",
1294                                 "$dir/thumb/3",
1295                                 "$dir/e/ea",
1296                                 "$dir/e",
1297                                 "$dir/f/ff/",
1298                                 "$dir/f/",
1299                                 "$dir/thumb/f/ff/Foobar.svg",
1300                                 "$dir/thumb/f/ff/",
1301                                 "$dir/thumb/f/",
1302                                 "$dir/0/09/",
1303                                 "$dir/0/",
1304                                 "$dir/5/5f",
1305                                 "$dir/5",
1306                                 "$dir/thumb/5/5f/LoremIpsum.djvu",
1307                                 "$dir/thumb/5/5f",
1308                                 "$dir/thumb/5",
1309                                 "$dir/thumb",
1310                                 "$dir/math/f/a/5",
1311                                 "$dir/math/f/a",
1312                                 "$dir/math/f",
1313                                 "$dir/math",
1314                                 "$dir",
1315                         )
1316                 );
1317         }
1318
1319         /**
1320          * Delete the specified files, if they exist.
1321          * @param array $files Full paths to files to delete.
1322          */
1323         private static function deleteFiles( $files ) {
1324                 foreach ( $files as $file ) {
1325                         if ( file_exists( $file ) ) {
1326                                 unlink( $file );
1327                         }
1328                 }
1329         }
1330
1331         /**
1332          * Delete the specified directories, if they exist. Must be empty.
1333          * @param array $dirs Full paths to directories to delete.
1334          */
1335         private static function deleteDirs( $dirs ) {
1336                 foreach ( $dirs as $dir ) {
1337                         if ( is_dir( $dir ) ) {
1338                                 rmdir( $dir );
1339                         }
1340                 }
1341         }
1342
1343         /**
1344          * "Running test $desc..."
1345          * @param string $desc
1346          */
1347         protected function showTesting( $desc ) {
1348                 print "Running test $desc... ";
1349         }
1350
1351         /**
1352          * Print a happy success message.
1353          *
1354          * Refactored in 1.22 to use ParserTestResult
1355          *
1356          * @param ParserTestResult $testResult
1357          * @return bool
1358          */
1359         protected function showSuccess( ParserTestResult $testResult ) {
1360                 if ( $this->showProgress ) {
1361                         print $this->term->color( '1;32' ) . 'PASSED' . $this->term->reset() . "\n";
1362                 }
1363
1364                 return true;
1365         }
1366
1367         /**
1368          * Print a failure message and provide some explanatory output
1369          * about what went wrong if so configured.
1370          *
1371          * Refactored in 1.22 to use ParserTestResult
1372          *
1373          * @param ParserTestResult $testResult
1374          * @return bool
1375          */
1376         protected function showFailure( ParserTestResult $testResult ) {
1377                 if ( $this->showFailure ) {
1378                         if ( !$this->showProgress ) {
1379                                 # In quiet mode we didn't show the 'Testing' message before the
1380                                 # test, in case it succeeded. Show it now:
1381                                 $this->showTesting( $testResult->description );
1382                         }
1383
1384                         print $this->term->color( '31' ) . 'FAILED!' . $this->term->reset() . "\n";
1385
1386                         if ( $this->showOutput ) {
1387                                 print "--- Expected ---\n{$testResult->expected}\n";
1388                                 print "--- Actual ---\n{$testResult->actual}\n";
1389                         }
1390
1391                         if ( $this->showDiffs ) {
1392                                 print $this->quickDiff( $testResult->expected, $testResult->actual );
1393                                 if ( !$this->wellFormed( $testResult->actual ) ) {
1394                                         print "XML error: $this->mXmlError\n";
1395                                 }
1396                         }
1397                 }
1398
1399                 return false;
1400         }
1401
1402         /**
1403          * Print a skipped message.
1404          *
1405          * @return bool
1406          */
1407         protected function showSkipped() {
1408                 if ( $this->showProgress ) {
1409                         print $this->term->color( '1;33' ) . 'SKIPPED' . $this->term->reset() . "\n";
1410                 }
1411
1412                 return true;
1413         }
1414
1415         /**
1416          * Run given strings through a diff and return the (colorized) output.
1417          * Requires writable /tmp directory and a 'diff' command in the PATH.
1418          *
1419          * @param string $input
1420          * @param string $output
1421          * @param string $inFileTail Tailing for the input file name
1422          * @param string $outFileTail Tailing for the output file name
1423          * @return string
1424          */
1425         protected function quickDiff( $input, $output,
1426                 $inFileTail = 'expected', $outFileTail = 'actual'
1427         ) {
1428                 # Windows, or at least the fc utility, is retarded
1429                 $slash = wfIsWindows() ? '\\' : '/';
1430                 $prefix = wfTempDir() . "{$slash}mwParser-" . mt_rand();
1431
1432                 $infile = "$prefix-$inFileTail";
1433                 $this->dumpToFile( $input, $infile );
1434
1435                 $outfile = "$prefix-$outFileTail";
1436                 $this->dumpToFile( $output, $outfile );
1437
1438                 $shellInfile = wfEscapeShellArg( $infile );
1439                 $shellOutfile = wfEscapeShellArg( $outfile );
1440
1441                 global $wgDiff3;
1442                 // we assume that people with diff3 also have usual diff
1443                 $shellCommand = ( wfIsWindows() && !$wgDiff3 ) ? 'fc' : 'diff -au';
1444
1445                 $diff = wfShellExec( "$shellCommand $shellInfile $shellOutfile" );
1446
1447                 unlink( $infile );
1448                 unlink( $outfile );
1449
1450                 return $this->colorDiff( $diff );
1451         }
1452
1453         /**
1454          * Write the given string to a file, adding a final newline.
1455          *
1456          * @param string $data
1457          * @param string $filename
1458          */
1459         private function dumpToFile( $data, $filename ) {
1460                 $file = fopen( $filename, "wt" );
1461                 fwrite( $file, $data . "\n" );
1462                 fclose( $file );
1463         }
1464
1465         /**
1466          * Colorize unified diff output if set for ANSI color output.
1467          * Subtractions are colored blue, additions red.
1468          *
1469          * @param string $text
1470          * @return string
1471          */
1472         protected function colorDiff( $text ) {
1473                 return preg_replace(
1474                         array( '/^(-.*)$/m', '/^(\+.*)$/m' ),
1475                         array( $this->term->color( 34 ) . '$1' . $this->term->reset(),
1476                                 $this->term->color( 31 ) . '$1' . $this->term->reset() ),
1477                         $text );
1478         }
1479
1480         /**
1481          * Show "Reading tests from ..."
1482          *
1483          * @param string $path
1484          */
1485         public function showRunFile( $path ) {
1486                 print $this->term->color( 1 ) .
1487                         "Reading tests from \"$path\"..." .
1488                         $this->term->reset() .
1489                         "\n";
1490         }
1491
1492         /**
1493          * Insert a temporary test article
1494          * @param string $name The title, including any prefix
1495          * @param string $text The article text
1496          * @param int|string $line The input line number, for reporting errors
1497          * @param bool|string $ignoreDuplicate Whether to silently ignore duplicate pages
1498          * @throws Exception
1499          * @throws MWException
1500          */
1501         public static function addArticle( $name, $text, $line = 'unknown', $ignoreDuplicate = '' ) {
1502                 global $wgCapitalLinks;
1503
1504                 $oldCapitalLinks = $wgCapitalLinks;
1505                 $wgCapitalLinks = true; // We only need this from SetupGlobals() See r70917#c8637
1506
1507                 $text = self::chomp( $text );
1508                 $name = self::chomp( $name );
1509
1510                 $title = Title::newFromText( $name );
1511
1512                 if ( is_null( $title ) ) {
1513                         throw new MWException( "invalid title '$name' at line $line\n" );
1514                 }
1515
1516                 $page = WikiPage::factory( $title );
1517                 $page->loadPageData( 'fromdbmaster' );
1518
1519                 if ( $page->exists() ) {
1520                         if ( $ignoreDuplicate == 'ignoreduplicate' ) {
1521                                 return;
1522                         } else {
1523                                 throw new MWException( "duplicate article '$name' at line $line\n" );
1524                         }
1525                 }
1526
1527                 $page->doEditContent( ContentHandler::makeContent( $text, $title ), '', EDIT_NEW );
1528
1529                 $wgCapitalLinks = $oldCapitalLinks;
1530         }
1531
1532         /**
1533          * Steal a callback function from the primary parser, save it for
1534          * application to our scary parser. If the hook is not installed,
1535          * abort processing of this file.
1536          *
1537          * @param string $name
1538          * @return bool True if tag hook is present
1539          */
1540         public function requireHook( $name ) {
1541                 global $wgParser;
1542
1543                 $wgParser->firstCallInit(); // make sure hooks are loaded.
1544
1545                 if ( isset( $wgParser->mTagHooks[$name] ) ) {
1546                         $this->hooks[$name] = $wgParser->mTagHooks[$name];
1547                 } else {
1548                         echo "   This test suite requires the '$name' hook extension, skipping.\n";
1549                         return false;
1550                 }
1551
1552                 return true;
1553         }
1554
1555         /**
1556          * Steal a callback function from the primary parser, save it for
1557          * application to our scary parser. If the hook is not installed,
1558          * abort processing of this file.
1559          *
1560          * @param string $name
1561          * @return bool True if function hook is present
1562          */
1563         public function requireFunctionHook( $name ) {
1564                 global $wgParser;
1565
1566                 $wgParser->firstCallInit(); // make sure hooks are loaded.
1567
1568                 if ( isset( $wgParser->mFunctionHooks[$name] ) ) {
1569                         $this->functionHooks[$name] = $wgParser->mFunctionHooks[$name];
1570                 } else {
1571                         echo "   This test suite requires the '$name' function hook extension, skipping.\n";
1572                         return false;
1573                 }
1574
1575                 return true;
1576         }
1577
1578         /**
1579          * Steal a callback function from the primary parser, save it for
1580          * application to our scary parser. If the hook is not installed,
1581          * abort processing of this file.
1582          *
1583          * @param string $name
1584          * @return bool True if function hook is present
1585          */
1586         public function requireTransparentHook( $name ) {
1587                 global $wgParser;
1588
1589                 $wgParser->firstCallInit(); // make sure hooks are loaded.
1590
1591                 if ( isset( $wgParser->mTransparentTagHooks[$name] ) ) {
1592                         $this->transparentHooks[$name] = $wgParser->mTransparentTagHooks[$name];
1593                 } else {
1594                         echo "   This test suite requires the '$name' transparent hook extension, skipping.\n";
1595                         return false;
1596                 }
1597
1598                 return true;
1599         }
1600
1601         private function wellFormed( $text ) {
1602                 $html =
1603                         Sanitizer::hackDocType() .
1604                                 '<html>' .
1605                                 $text .
1606                                 '</html>';
1607
1608                 $parser = xml_parser_create( "UTF-8" );
1609
1610                 # case folding violates XML standard, turn it off
1611                 xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, false );
1612
1613                 if ( !xml_parse( $parser, $html, true ) ) {
1614                         $err = xml_error_string( xml_get_error_code( $parser ) );
1615                         $position = xml_get_current_byte_index( $parser );
1616                         $fragment = $this->extractFragment( $html, $position );
1617                         $this->mXmlError = "$err at byte $position:\n$fragment";
1618                         xml_parser_free( $parser );
1619
1620                         return false;
1621                 }
1622
1623                 xml_parser_free( $parser );
1624
1625                 return true;
1626         }
1627
1628         private function extractFragment( $text, $position ) {
1629                 $start = max( 0, $position - 10 );
1630                 $before = $position - $start;
1631                 $fragment = '...' .
1632                         $this->term->color( 34 ) .
1633                         substr( $text, $start, $before ) .
1634                         $this->term->color( 0 ) .
1635                         $this->term->color( 31 ) .
1636                         $this->term->color( 1 ) .
1637                         substr( $text, $position, 1 ) .
1638                         $this->term->color( 0 ) .
1639                         $this->term->color( 34 ) .
1640                         substr( $text, $position + 1, 9 ) .
1641                         $this->term->color( 0 ) .
1642                         '...';
1643                 $display = str_replace( "\n", ' ', $fragment );
1644                 $caret = '   ' .
1645                         str_repeat( ' ', $before ) .
1646                         $this->term->color( 31 ) .
1647                         '^' .
1648                         $this->term->color( 0 );
1649
1650                 return "$display\n$caret";
1651         }
1652
1653         static function getFakeTimestamp( &$parser, &$ts ) {
1654                 $ts = 123; //parsed as '1970-01-01T00:02:03Z'
1655                 return true;
1656         }
1657 }