tests/phpunit/includes/parser/NewParserTest.php

   1 <?php
   2
   3 /**
   4  * Although marked as a stub, can work independently.
   5  *
   6  * @group Database
   7  * @group Parser
   8  * @group Stub
   9  */
  10 class NewParserTest extends MediaWikiTestCase {
  11         static protected $articles = array(); // Array of test articles defined by the tests
  12         /* The data provider is run on a different instance than the test, so it must be static
  13          * When running tests from several files, all tests will see all articles.
  14          */
  15         static protected $backendToUse;
  16
  17         public $keepUploads = false;
  18         public $runDisabled = false;
  19         public $runParsoid = false;
  20         public $regex = '';
  21         public $showProgress = true;
  22         public $savedWeirdGlobals = array();
  23         public $savedGlobals = array();
  24         public $hooks = array();
  25         public $functionHooks = array();
  26
  27         //Fuzz test
  28         public $maxFuzzTestLength = 300;
  29         public $fuzzSeed = 0;
  30         public $memoryLimit = 50;
  31
  32         protected $file = false;
  33
  34         protected function setUp() {
  35                 global $wgNamespaceAliases;
  36                 global $wgHooks, $IP;
  37
  38                 parent::setUp();
  39
  40                 //Setup CLI arguments
  41                 if ( $this->getCliArg( 'regex=' ) ) {
  42                         $this->regex = $this->getCliArg( 'regex=' );
  43                 } else {
  44                         # Matches anything
  45                         $this->regex = '';
  46                 }
  47
  48                 $this->keepUploads = $this->getCliArg( 'keep-uploads' );
  49
  50                 $tmpGlobals = array();
  51
  52                 $tmpGlobals['wgLanguageCode'] = 'en';
  53                 $tmpGlobals['wgContLang'] = Language::factory( 'en' );
  54                 $tmpGlobals['wgSitename'] = 'MediaWiki';
  55                 $tmpGlobals['wgServer'] = 'http://example.org';
  56                 $tmpGlobals['wgScript'] = '/index.php';
  57                 $tmpGlobals['wgScriptPath'] = '/';
  58                 $tmpGlobals['wgArticlePath'] = '/wiki/$1';
  59                 $tmpGlobals['wgActionPaths'] = array();
  60                 $tmpGlobals['wgVariantArticlePath'] = false;
  61                 $tmpGlobals['wgExtensionAssetsPath'] = '/extensions';
  62                 $tmpGlobals['wgStylePath'] = '/skins';
  63                 $tmpGlobals['wgEnableUploads'] = true;
  64                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  65                 $tmpGlobals['wgLocalFileRepo'] = array(
  66                         'class' => 'LocalRepo',
  67                         'name' => 'local',
  68                         'url' => 'http://example.com/images',
  69                         'hashLevels' => 2,
  70                         'transformVia404' => false,
  71                         'backend' => 'local-backend'
  72                 );
  73                 $tmpGlobals['wgForeignFileRepos'] = array();
  74                 $tmpGlobals['wgDefaultExternalStore'] = array();
  75                 $tmpGlobals['wgEnableParserCache'] = false;
  76                 $tmpGlobals['wgCapitalLinks'] = true;
  77                 $tmpGlobals['wgNoFollowLinks'] = true;
  78                 $tmpGlobals['wgNoFollowDomainExceptions'] = array();
  79                 $tmpGlobals['wgExternalLinkTarget'] = false;
  80                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  81                 $tmpGlobals['wgUseImageResize'] = true;
  82                 $tmpGlobals['wgAllowExternalImages'] = true;
  83                 $tmpGlobals['wgRawHtml'] = false;
  84                 $tmpGlobals['wgUseTidy'] = false;
  85                 $tmpGlobals['wgAlwaysUseTidy'] = false;
  86                 $tmpGlobals['wgWellFormedXml'] = true;
  87                 $tmpGlobals['wgAllowMicrodataAttributes'] = true;
  88                 $tmpGlobals['wgExperimentalHtmlIds'] = false;
  89                 $tmpGlobals['wgAdaptiveMessageCache'] = true;
  90                 $tmpGlobals['wgUseDatabaseMessages'] = true;
  91                 $tmpGlobals['wgLocaltimezone'] = 'UTC';
  92                 $tmpGlobals['wgDeferredUpdateList'] = array();
  93                 $tmpGlobals['wgGroupPermissions'] = array(
  94                         '*' => array(
  95                                 'createaccount' => true,
  96                                 'read' => true,
  97                                 'edit' => true,
  98                                 'createpage' => true,
  99                                 'createtalk' => true,
 100                 ) );
 101                 $tmpGlobals['wgNamespaceProtection'] = array( NS_MEDIAWIKI => 'editinterface' );
 102
 103                 $tmpGlobals['wgParser'] = new StubObject( 'wgParser', $GLOBALS['wgParserConf']['class'], array( $GLOBALS['wgParserConf'] ) );
 104
 105                 $tmpGlobals['wgFileExtensions'][] = 'svg';
 106                 $tmpGlobals['wgSVGConverter'] = 'rsvg';
 107                 $tmpGlobals['wgSVGConverters']['rsvg'] = '$path/rsvg-convert -w $width -h $height $input -o $output';
 108
 109                 if ( $GLOBALS['wgStyleDirectory'] === false ) {
 110                         $tmpGlobals['wgStyleDirectory'] = "$IP/skins";
 111                 }
 112
 113                 # Replace all media handlers with a mock. We do not need to generate
 114                 # actual thumbnails to do parser testing, we only care about receiving
 115                 # a ThumbnailImage properly initialized.
 116                 global $wgMediaHandlers;
 117                 foreach ( $wgMediaHandlers as $type => $handler ) {
 118                         $tmpGlobals['wgMediaHandlers'][$type] = 'MockBitmapHandler';
 119                 }
 120                 // Vector images have to be handled slightly differently
 121                 $tmpGlobals['wgMediaHandlers']['image/svg+xml'] = 'MockSvgHandler';
 122
 123                 $tmpHooks = $wgHooks;
 124                 $tmpHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
 125                 $tmpHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
 126                 $tmpGlobals['wgHooks'] = $tmpHooks;
 127
 128                 $this->setMwGlobals( $tmpGlobals );
 129
 130                 $this->savedWeirdGlobals['image_alias'] = $wgNamespaceAliases['Image'];
 131                 $this->savedWeirdGlobals['image_talk_alias'] = $wgNamespaceAliases['Image_talk'];
 132
 133                 $wgNamespaceAliases['Image'] = NS_FILE;
 134                 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 135         }
 136
 137         protected function tearDown() {
 138                 global $wgNamespaceAliases;
 139
 140                 $wgNamespaceAliases['Image'] = $this->savedWeirdGlobals['image_alias'];
 141                 $wgNamespaceAliases['Image_talk'] = $this->savedWeirdGlobals['image_talk_alias'];
 142
 143                 // Restore backends
 144                 RepoGroup::destroySingleton();
 145                 FileBackendGroup::destroySingleton();
 146
 147                 // Remove temporary pages from the link cache
 148                 LinkCache::singleton()->clear();
 149
 150                 // Restore message cache (temporary pages and $wgUseDatabaseMessages)
 151                 MessageCache::destroyInstance();
 152
 153                 parent::tearDown();
 154         }
 155
 156         function addDBData() {
 157                 $this->tablesUsed[] = 'site_stats';
 158                 $this->tablesUsed[] = 'interwiki';
 159                 # disabled for performance
 160                 #$this->tablesUsed[] = 'image';
 161
 162                 # Hack: insert a few Wikipedia in-project interwiki prefixes,
 163                 # for testing inter-language links
 164                 $this->db->insert( 'interwiki', array(
 165                                 array( 'iw_prefix' => 'wikipedia',
 166                                         'iw_url' => 'http://en.wikipedia.org/wiki/$1',
 167                                         'iw_api' => '',
 168                                         'iw_wikiid' => '',
 169                                         'iw_local' => 0 ),
 170                                 array( 'iw_prefix' => 'meatball',
 171                                         'iw_url' => 'http://www.usemod.com/cgi-bin/mb.pl?$1',
 172                                         'iw_api' => '',
 173                                         'iw_wikiid' => '',
 174                                         'iw_local' => 0 ),
 175                                 array( 'iw_prefix' => 'zh',
 176                                         'iw_url' => 'http://zh.wikipedia.org/wiki/$1',
 177                                         'iw_api' => '',
 178                                         'iw_wikiid' => '',
 179                                         'iw_local' => 1 ),
 180                                 array( 'iw_prefix' => 'es',
 181                                         'iw_url' => 'http://es.wikipedia.org/wiki/$1',
 182                                         'iw_api' => '',
 183                                         'iw_wikiid' => '',
 184                                         'iw_local' => 1 ),
 185                                 array( 'iw_prefix' => 'fr',
 186                                         'iw_url' => 'http://fr.wikipedia.org/wiki/$1',
 187                                         'iw_api' => '',
 188                                         'iw_wikiid' => '',
 189                                         'iw_local' => 1 ),
 190                                 array( 'iw_prefix' => 'ru',
 191                                         'iw_url' => 'http://ru.wikipedia.org/wiki/$1',
 192                                         'iw_api' => '',
 193                                         'iw_wikiid' => '',
 194                                         'iw_local' => 1 ),
 195                                 /**
 196                                  * @todo Fixme! Why are we inserting duplicate data here? Shouldn't
 197                                  * need this IGNORE or shouldn't need the insert at all.
 198                                  */
 199                         ), __METHOD__, array( 'IGNORE' )
 200                 );
 201
 202                 # Update certain things in site_stats
 203                 $this->db->insert( 'site_stats',
 204                         array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ),
 205                         __METHOD__
 206                 );
 207
 208                 $user = User::newFromId( 0 );
 209                 LinkCache::singleton()->clear(); # Avoids the odd failure at creating the nullRevision
 210
 211                 # Upload DB table entries for files.
 212                 # We will upload the actual files later. Note that if anything causes LocalFile::load()
 213                 # to be triggered before then, it will break via maybeUpgrade() setting the fileExists
 214                 # member to false and storing it in cache.
 215                 # note that the size/width/height/bits/etc of the file
 216                 # are actually set by inspecting the file itself; the arguments
 217                 # to recordUpload2 have no effect.  That said, we try to make things
 218                 # match up so it is less confusing to readers of the code & tests.
 219                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
 220                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 221                         $image->recordUpload2(
 222                                 '', // archive name
 223                                 'Upload of some lame file',
 224                                 'Some lame file',
 225                                 array(
 226                                         'size' => 7881,
 227                                         'width' => 1941,
 228                                         'height' => 220,
 229                                         'bits' => 8,
 230                                         'media_type' => MEDIATYPE_BITMAP,
 231                                         'mime' => 'image/jpeg',
 232                                         'metadata' => serialize( array() ),
 233                                         'sha1' => wfBaseConvert( '1', 16, 36, 31 ),
 234                                         'fileExists' => true ),
 235                                 $this->db->timestamp( '20010115123500' ), $user
 236                         );
 237                 }
 238
 239                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) );
 240                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 241                         $image->recordUpload2(
 242                                 '', // archive name
 243                                 'Upload of some lame thumbnail',
 244                                 'Some lame thumbnail',
 245                                 array(
 246                                         'size' => 22589,
 247                                         'width' => 135,
 248                                         'height' => 135,
 249                                         'bits' => 8,
 250                                         'media_type' => MEDIATYPE_BITMAP,
 251                                         'mime' => 'image/png',
 252                                         'metadata' => serialize( array() ),
 253                                         'sha1' => wfBaseConvert( '2', 16, 36, 31 ),
 254                                         'fileExists' => true ),
 255                                 $this->db->timestamp( '20130225203040' ), $user
 256                         );
 257                 }
 258
 259                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
 260                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
 261                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 262                         $image->recordUpload2(
 263                                 '', // archive name
 264                                 'zomgnotcensored',
 265                                 'Borderline image',
 266                                 array(
 267                                         'size' => 12345,
 268                                         'width' => 320,
 269                                         'height' => 240,
 270                                         'bits' => 24,
 271                                         'media_type' => MEDIATYPE_BITMAP,
 272                                         'mime' => 'image/jpeg',
 273                                         'metadata' => serialize( array() ),
 274                                         'sha1' => wfBaseConvert( '3', 16, 36, 31 ),
 275                                         'fileExists' => true ),
 276                                 $this->db->timestamp( '20010115123500' ), $user
 277                         );
 278                 }
 279                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.svg' ) );
 280                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 281                         $image->recordUpload2( '', 'Upload of some lame SVG', 'Some lame SVG', array(
 282                                         'size'        => 12345,
 283                                         'width'       => 200,
 284                                         'height'      => 200,
 285                                         'bits'        => 24,
 286                                         'media_type'  => MEDIATYPE_DRAWING,
 287                                         'mime'        => 'image/svg+xml',
 288                                         'metadata'    => serialize( array() ),
 289                                         'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
 290                                         'fileExists'  => true
 291                         ), $this->db->timestamp( '20010115123500' ), $user );
 292                 }
 293         }
 294
 295         //ParserTest setup/teardown functions
 296
 297         /**
 298          * Set up the global variables for a consistent environment for each test.
 299          * Ideally this should replace the global configuration entirely.
 300          */
 301         protected function setupGlobals( $opts = array(), $config = '' ) {
 302                 global $wgFileBackends;
 303                 # Find out values for some special options.
 304                 $lang =
 305                         self::getOptionValue( 'language', $opts, 'en' );
 306                 $variant =
 307                         self::getOptionValue( 'variant', $opts, false );
 308                 $maxtoclevel =
 309                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 310                 $linkHolderBatchSize =
 311                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 312
 313                 $uploadDir = $this->getUploadDir();
 314                 if ( $this->getCliArg( 'use-filebackend=' ) ) {
 315                         if ( self::$backendToUse ) {
 316                                 $backend = self::$backendToUse;
 317                         } else {
 318                                 $name = $this->getCliArg( 'use-filebackend=' );
 319                                 $useConfig = array();
 320                                 foreach ( $wgFileBackends as $conf ) {
 321                                         if ( $conf['name'] == $name ) {
 322                                                 $useConfig = $conf;
 323                                         }
 324                                 }
 325                                 $useConfig['name'] = 'local-backend'; // swap name
 326                                 $class = $conf['class'];
 327                                 self::$backendToUse = new $class( $useConfig );
 328                                 $backend = self::$backendToUse;
 329                         }
 330                 } else {
 331                         # Replace with a mock. We do not care about generating real
 332                         # files on the filesystem, just need to expose the file
 333                         # informations.
 334                         $backend = new MockFileBackend( array(
 335                                 'name' => 'local-backend',
 336                                 'lockManager' => 'nullLockManager',
 337                                 'containerPaths' => array(
 338                                         'local-public' => "$uploadDir",
 339                                         'local-thumb' => "$uploadDir/thumb",
 340                                 )
 341                         ) );
 342                 }
 343
 344                 $settings = array(
 345                         'wgLocalFileRepo' => array(
 346                                 'class' => 'LocalRepo',
 347                                 'name' => 'local',
 348                                 'url' => 'http://example.com/images',
 349                                 'hashLevels' => 2,
 350                                 'transformVia404' => false,
 351                                 'backend' => $backend
 352                         ),
 353                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
 354                         'wgLanguageCode' => $lang,
 355                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'unittest_' : 'ut_',
 356                         'wgRawHtml' => isset( $opts['rawhtml'] ),
 357                         'wgNamespacesWithSubpages' => array( NS_MAIN => isset( $opts['subpage'] ) ),
 358                         'wgMaxTocLevel' => $maxtoclevel,
 359                         'wgUseTeX' => isset( $opts['math'] ),
 360                         'wgMathDirectory' => $uploadDir . '/math',
 361                         'wgDefaultLanguageVariant' => $variant,
 362                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 363                 );
 364
 365                 if ( $config ) {
 366                         $configLines = explode( "\n", $config );
 367
 368                         foreach ( $configLines as $line ) {
 369                                 list( $var, $value ) = explode( '=', $line, 2 );
 370
 371                                 $settings[$var] = eval( "return $value;" ); //???
 372                         }
 373                 }
 374
 375                 $this->savedGlobals = array();
 376
 377                 /** @since 1.20 */
 378                 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
 379
 380                 $langObj = Language::factory( $lang );
 381                 $settings['wgContLang'] = $langObj;
 382                 $settings['wgLang'] = $langObj;
 383
 384                 $context = new RequestContext();
 385                 $settings['wgOut'] = $context->getOutput();
 386                 $settings['wgUser'] = $context->getUser();
 387                 $settings['wgRequest'] = $context->getRequest();
 388
 389                 foreach ( $settings as $var => $val ) {
 390                         if ( array_key_exists( $var, $GLOBALS ) ) {
 391                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 392                         }
 393
 394                         $GLOBALS[$var] = $val;
 395                 }
 396
 397                 MagicWord::clearCache();
 398
 399                 # The entries saved into RepoGroup cache with previous globals will be wrong.
 400                 RepoGroup::destroySingleton();
 401                 FileBackendGroup::destroySingleton();
 402
 403                 # Create dummy files in storage
 404                 $this->setupUploads();
 405
 406                 # Publish the articles after we have the final language set
 407                 $this->publishTestArticles();
 408
 409                 MessageCache::destroyInstance();
 410
 411                 return $context;
 412         }
 413
 414         /**
 415          * Get an FS upload directory (only applies to FSFileBackend)
 416          *
 417          * @return String: the directory
 418          */
 419         protected function getUploadDir() {
 420                 if ( $this->keepUploads ) {
 421                         $dir = wfTempDir() . '/mwParser-images';
 422
 423                         if ( is_dir( $dir ) ) {
 424                                 return $dir;
 425                         }
 426                 } else {
 427                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
 428                 }
 429
 430                 // wfDebug( "Creating upload directory $dir\n" );
 431                 if ( file_exists( $dir ) ) {
 432                         wfDebug( "Already exists!\n" );
 433
 434                         return $dir;
 435                 }
 436
 437                 return $dir;
 438         }
 439
 440         /**
 441          * Create a dummy uploads directory which will contain a couple
 442          * of files in order to pass existence tests.
 443          *
 444          * @return String: the directory
 445          */
 446         protected function setupUploads() {
 447                 global $IP;
 448
 449                 $base = $this->getBaseDir();
 450                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 451                 $backend->prepare( array( 'dir' => "$base/local-public/3/3a" ) );
 452                 $backend->store( array(
 453                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/3/3a/Foobar.jpg"
 454                 ) );
 455                 $backend->prepare( array( 'dir' => "$base/local-public/e/ea" ) );
 456                 $backend->store( array(
 457                         'src' => "$IP/skins/monobook/wiki.png", 'dst' => "$base/local-public/e/ea/Thumb.png"
 458                 ) );
 459                 $backend->prepare( array( 'dir' => "$base/local-public/0/09" ) );
 460                 $backend->store( array(
 461                         'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/0/09/Bad.jpg"
 462                 ) );
 463
 464                 // No helpful SVG file to copy, so make one ourselves
 465                 $tmpDir = wfTempDir();
 466                 $tempFsFile = new TempFSFile( "$tmpDir/Foobar.svg" );
 467                 $tempFsFile->autocollect(); // destroy file when $tempFsFile leaves scope
 468                 file_put_contents( "$tmpDir/Foobar.svg",
 469                         '<?xml version="1.0" encoding="utf-8"?>' .
 470                         '<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200"><text>Foo</text></svg>' );
 471
 472                 $backend->prepare( array( 'dir' => "$base/local-public/f/ff" ) );
 473                 $backend->quickStore( array(
 474                         'src' => "$tmpDir/Foobar.svg", 'dst' => "$base/local-public/f/ff/Foobar.svg"
 475                 ) );
 476         }
 477
 478         /**
 479          * Restore default values and perform any necessary clean-up
 480          * after each test runs.
 481          */
 482         protected function teardownGlobals() {
 483                 $this->teardownUploads();
 484
 485                 foreach ( $this->savedGlobals as $var => $val ) {
 486                         $GLOBALS[$var] = $val;
 487                 }
 488         }
 489
 490         /**
 491          * Remove the dummy uploads directory
 492          */
 493         private function teardownUploads() {
 494                 if ( $this->keepUploads ) {
 495                         return;
 496                 }
 497
 498                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 499                 if ( $backend instanceof MockFileBackend ) {
 500                         # In memory backend, so dont bother cleaning them up.
 501                         return;
 502                 }
 503
 504                 $base = $this->getBaseDir();
 505                 // delete the files first, then the dirs.
 506                 self::deleteFiles(
 507                         array(
 508                                 "$base/local-public/3/3a/Foobar.jpg",
 509                                 "$base/local-thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
 510                                 "$base/local-thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
 511                                 "$base/local-thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
 512                                 "$base/local-thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
 513                                 "$base/local-thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
 514                                 "$base/local-thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
 515                                 "$base/local-thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
 516                                 "$base/local-thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
 517                                 "$base/local-thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
 518                                 "$base/local-thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
 519                                 "$base/local-thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
 520                                 "$base/local-thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
 521                                 "$base/local-thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
 522                                 "$base/local-thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
 523
 524                                 "$base/local-public/e/ea/Thumb.png",
 525
 526                                 "$base/local-public/0/09/Bad.jpg",
 527
 528                                 "$base/local-public/f/ff/Foobar.svg",
 529                                 "$base/local-thumb/f/ff/Foobar.svg/180px-Foobar.svg.jpg",
 530                                 "$base/local-thumb/f/ff/Foobar.svg/270px-Foobar.svg.jpg",
 531                                 "$base/local-thumb/f/ff/Foobar.svg/360px-Foobar.svg.jpg",
 532                                 "$base/local-thumb/f/ff/Foobar.svg/langde-180px-Foobar.svg.jpg",
 533                                 "$base/local-thumb/f/ff/Foobar.svg/langde-270px-Foobar.svg.jpg",
 534                                 "$base/local-thumb/f/ff/Foobar.svg/langde-360px-Foobar.svg.jpg",
 535
 536                                 "$base/local-public/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
 537                         )
 538                 );
 539         }
 540
 541         /**
 542          * Delete the specified files, if they exist.
 543          * @param $files Array: full paths to files to delete.
 544          */
 545         private static function deleteFiles( $files ) {
 546                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 547                 foreach ( $files as $file ) {
 548                         $backend->delete( array( 'src' => $file ), array( 'force' => 1 ) );
 549                 }
 550                 foreach ( $files as $file ) {
 551                         $tmp = $file;
 552                         while ( $tmp = FileBackend::parentStoragePath( $tmp ) ) {
 553                                 if ( !$backend->clean( array( 'dir' => $tmp ) )->isOK() ) {
 554                                         break;
 555                                 }
 556                         }
 557                 }
 558         }
 559
 560         protected function getBaseDir() {
 561                 return 'mwstore://local-backend';
 562         }
 563
 564         public function parserTestProvider() {
 565                 if ( $this->file === false ) {
 566                         global $wgParserTestFiles;
 567                         $this->file = $wgParserTestFiles[0];
 568                 }
 569
 570                 return new TestFileIterator( $this->file, $this );
 571         }
 572
 573         /**
 574          * Set the file from whose tests will be run by this instance
 575          */
 576         public function setParserTestFile( $filename ) {
 577                 $this->file = $filename;
 578         }
 579
 580         /**
 581          * @group medium
 582          * @dataProvider parserTestProvider
 583          */
 584         public function testParserTest( $desc, $input, $result, $opts, $config ) {
 585                 if ( $this->regex != '' && !preg_match( '/' . $this->regex . '/', $desc ) ) {
 586                         $this->assertTrue( true ); // XXX: don't flood output with "test made no assertions"
 587                         //$this->markTestSkipped( 'Filtered out by the user' );
 588                         return;
 589                 }
 590
 591                 if ( !$this->isWikitextNS( NS_MAIN ) ) {
 592                         // parser tests frequently assume that the main namespace contains wikitext.
 593                         // @todo When setting up pages, force the content model. Only skip if
 594                         //        $wgtContentModelUseDB is false.
 595                         $this->markTestSkipped( "Main namespace does not support wikitext,"
 596                                 . "skipping parser test: $desc" );
 597                 }
 598
 599                 wfDebug( "Running parser test: $desc\n" );
 600
 601                 $opts = $this->parseOptions( $opts );
 602                 $context = $this->setupGlobals( $opts, $config );
 603
 604                 $user = $context->getUser();
 605                 $options = ParserOptions::newFromContext( $context );
 606
 607                 if ( isset( $opts['title'] ) ) {
 608                         $titleText = $opts['title'];
 609                 } else {
 610                         $titleText = 'Parser test';
 611                 }
 612
 613                 $local = isset( $opts['local'] );
 614                 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
 615                 $parser = $this->getParser( $preprocessor );
 616
 617                 $title = Title::newFromText( $titleText );
 618
 619                 if ( isset( $opts['pst'] ) ) {
 620                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
 621                 } elseif ( isset( $opts['msg'] ) ) {
 622                         $out = $parser->transformMsg( $input, $options, $title );
 623                 } elseif ( isset( $opts['section'] ) ) {
 624                         $section = $opts['section'];
 625                         $out = $parser->getSection( $input, $section );
 626                 } elseif ( isset( $opts['replace'] ) ) {
 627                         $section = $opts['replace'][0];
 628                         $replace = $opts['replace'][1];
 629                         $out = $parser->replaceSection( $input, $section, $replace );
 630                 } elseif ( isset( $opts['comment'] ) ) {
 631                         $out = Linker::formatComment( $input, $title, $local );
 632                 } elseif ( isset( $opts['preload'] ) ) {
 633                         $out = $parser->getPreloadText( $input, $title, $options );
 634                 } else {
 635                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
 636                         $out = $output->getText();
 637
 638                         if ( isset( $opts['showtitle'] ) ) {
 639                                 if ( $output->getTitleText() ) {
 640                                         $title = $output->getTitleText();
 641                                 }
 642
 643                                 $out = "$title\n$out";
 644                         }
 645
 646                         if ( isset( $opts['ill'] ) ) {
 647                                 $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
 648                         } elseif ( isset( $opts['cat'] ) ) {
 649                                 $outputPage = $context->getOutput();
 650                                 $outputPage->addCategoryLinks( $output->getCategories() );
 651                                 $cats = $outputPage->getCategoryLinks();
 652
 653                                 if ( isset( $cats['normal'] ) ) {
 654                                         $out = $this->tidy( implode( ' ', $cats['normal'] ) );
 655                                 } else {
 656                                         $out = '';
 657                                 }
 658                         }
 659                         $parser->mPreprocessor = null;
 660
 661                         $result = $this->tidy( $result );
 662                 }
 663
 664                 $this->teardownGlobals();
 665
 666                 $this->assertEquals( $result, $out, $desc );
 667         }
 668
 669         /**
 670          * Run a fuzz test series
 671          * Draw input from a set of test files
 672          *
 673          * @todo fixme Needs some work to not eat memory until the world explodes
 674          *
 675          * @group ParserFuzz
 676          */
 677         function testFuzzTests() {
 678                 global $wgParserTestFiles;
 679
 680                 $files = $wgParserTestFiles;
 681
 682                 if ( $this->getCliArg( 'file=' ) ) {
 683                         $files = array( $this->getCliArg( 'file=' ) );
 684                 }
 685
 686                 $dict = $this->getFuzzInput( $files );
 687                 $dictSize = strlen( $dict );
 688                 $logMaxLength = log( $this->maxFuzzTestLength );
 689
 690                 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
 691
 692                 $user = new User;
 693                 $opts = ParserOptions::newFromUser( $user );
 694                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
 695
 696                 $id = 1;
 697
 698                 while ( true ) {
 699
 700                         // Generate test input
 701                         mt_srand( ++$this->fuzzSeed );
 702                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
 703                         $input = '';
 704
 705                         while ( strlen( $input ) < $totalLength ) {
 706                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
 707                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
 708                                 $offset = mt_rand( 0, $dictSize - $hairLength );
 709                                 $input .= substr( $dict, $offset, $hairLength );
 710                         }
 711
 712                         $this->setupGlobals();
 713                         $parser = $this->getParser();
 714
 715                         // Run the test
 716                         try {
 717                                 $parser->parse( $input, $title, $opts );
 718                                 $this->assertTrue( true, "Test $id, fuzz seed {$this->fuzzSeed}" );
 719                         } catch ( Exception $exception ) {
 720                                 $input_dump = sprintf( "string(%d) \"%s\"\n", strlen( $input ), $input );
 721
 722                                 $this->assertTrue( false, "Test $id, fuzz seed {$this->fuzzSeed}. \n\nInput: $input_dump\n\nError: {$exception->getMessage()}\n\nBacktrace: {$exception->getTraceAsString()}" );
 723                         }
 724
 725                         $this->teardownGlobals();
 726                         $parser->__destruct();
 727
 728                         if ( $id % 100 == 0 ) {
 729                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
 730                                 //echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
 731                                 if ( $usage > 90 ) {
 732                                         $ret = "Out of memory:\n";
 733                                         $memStats = $this->getMemoryBreakdown();
 734
 735                                         foreach ( $memStats as $name => $usage ) {
 736                                                 $ret .= "$name: $usage\n";
 737                                         }
 738
 739                                         throw new MWException( $ret );
 740                                 }
 741                         }
 742
 743                         $id++;
 744                 }
 745         }
 746
 747         //Various getter functions
 748
 749         /**
 750          * Get an input dictionary from a set of parser test files
 751          */
 752         function getFuzzInput( $filenames ) {
 753                 $dict = '';
 754
 755                 foreach ( $filenames as $filename ) {
 756                         $contents = file_get_contents( $filename );
 757                         preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
 758
 759                         foreach ( $matches[1] as $match ) {
 760                                 $dict .= $match . "\n";
 761                         }
 762                 }
 763
 764                 return $dict;
 765         }
 766
 767         /**
 768          * Get a memory usage breakdown
 769          */
 770         function getMemoryBreakdown() {
 771                 $memStats = array();
 772
 773                 foreach ( $GLOBALS as $name => $value ) {
 774                         $memStats['$' . $name] = strlen( serialize( $value ) );
 775                 }
 776
 777                 $classes = get_declared_classes();
 778
 779                 foreach ( $classes as $class ) {
 780                         $rc = new ReflectionClass( $class );
 781                         $props = $rc->getStaticProperties();
 782                         $memStats[$class] = strlen( serialize( $props ) );
 783                         $methods = $rc->getMethods();
 784
 785                         foreach ( $methods as $method ) {
 786                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 787                         }
 788                 }
 789
 790                 $functions = get_defined_functions();
 791
 792                 foreach ( $functions['user'] as $function ) {
 793                         $rf = new ReflectionFunction( $function );
 794                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 795                 }
 796
 797                 asort( $memStats );
 798
 799                 return $memStats;
 800         }
 801
 802         /**
 803          * Get a Parser object
 804          */
 805         function getParser( $preprocessor = null ) {
 806                 global $wgParserConf;
 807
 808                 $class = $wgParserConf['class'];
 809                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
 810
 811                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
 812
 813                 return $parser;
 814         }
 815
 816         //Various action functions
 817
 818         public function addArticle( $name, $text, $line ) {
 819                 self::$articles[$name] = array( $text, $line );
 820         }
 821
 822         public function publishTestArticles() {
 823                 if ( empty( self::$articles ) ) {
 824                         return;
 825                 }
 826
 827                 foreach ( self::$articles as $name => $info ) {
 828                         list( $text, $line ) = $info;
 829                         ParserTest::addArticle( $name, $text, $line, 'ignoreduplicate' );
 830                 }
 831         }
 832
 833         /**
 834          * Steal a callback function from the primary parser, save it for
 835          * application to our scary parser. If the hook is not installed,
 836          * abort processing of this file.
 837          *
 838          * @param $name String
 839          * @return Bool true if tag hook is present
 840          */
 841         public function requireHook( $name ) {
 842                 global $wgParser;
 843                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 844                 return isset( $wgParser->mTagHooks[$name] );
 845         }
 846
 847         public function requireFunctionHook( $name ) {
 848                 global $wgParser;
 849                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 850                 return isset( $wgParser->mFunctionHooks[$name] );
 851         }
 852
 853         //Various "cleanup" functions
 854
 855         /**
 856          * Run the "tidy" command on text if the $wgUseTidy
 857          * global is true
 858          *
 859          * @param $text String: the text to tidy
 860          * @return String
 861          */
 862         protected function tidy( $text ) {
 863                 global $wgUseTidy;
 864
 865                 if ( $wgUseTidy ) {
 866                         $text = MWTidy::tidy( $text );
 867                 }
 868
 869                 return $text;
 870         }
 871
 872         /**
 873          * Remove last character if it is a newline
 874          */
 875         public function removeEndingNewline( $s ) {
 876                 if ( substr( $s, -1 ) === "\n" ) {
 877                         return substr( $s, 0, -1 );
 878                 } else {
 879                         return $s;
 880                 }
 881         }
 882
 883         //Test options parser functions
 884
 885         protected function parseOptions( $instring ) {
 886                 $opts = array();
 887                 // foo
 888                 // foo=bar
 889                 // foo="bar baz"
 890                 // foo=[[bar baz]]
 891                 // foo=bar,"baz quux"
 892                 $regex = '/\b
 893                         ([\w-]+)                                                # Key
 894                         \b
 895                         (?:\s*
 896                                 =                                               # First sub-value
 897                                 \s*
 898                                 (
 899                                         "
 900                                                 [^"]*                   # Quoted val
 901                                         "
 902                                 |
 903                                         \[\[
 904                                                 [^]]*                   # Link target
 905                                         \]\]
 906                                 |
 907                                         [\w-]+                          # Plain word
 908                                 )
 909                                 (?:\s*
 910                                         ,                                       # Sub-vals 1..N
 911                                         \s*
 912                                         (
 913                                                 "[^"]*"                 # Quoted val
 914                                         |
 915                                                 \[\[[^]]*\]\]   # Link target
 916                                         |
 917                                                 [\w-]+                  # Plain word
 918                                         )
 919                                 )*
 920                         )?
 921                         /x';
 922
 923                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
 924                         foreach ( $matches as $bits ) {
 925                                 array_shift( $bits );
 926                                 $key = strtolower( array_shift( $bits ) );
 927                                 if ( count( $bits ) == 0 ) {
 928                                         $opts[$key] = true;
 929                                 } elseif ( count( $bits ) == 1 ) {
 930                                         $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
 931                                 } else {
 932                                         // Array!
 933                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
 934                                 }
 935                         }
 936                 }
 937
 938                 return $opts;
 939         }
 940
 941         protected function cleanupOption( $opt ) {
 942                 if ( substr( $opt, 0, 1 ) == '"' ) {
 943                         return substr( $opt, 1, -1 );
 944                 }
 945
 946                 if ( substr( $opt, 0, 2 ) == '[[' ) {
 947                         return substr( $opt, 2, -2 );
 948                 }
 949
 950                 return $opt;
 951         }
 952
 953         /**
 954          * Use a regex to find out the value of an option
 955          * @param $key String: name of option val to retrieve
 956          * @param $opts Options array to look in
 957          * @param $default Mixed: default value returned if not found
 958          */
 959         protected static function getOptionValue( $key, $opts, $default ) {
 960                 $key = strtolower( $key );
 961
 962                 if ( isset( $opts[$key] ) ) {
 963                         return $opts[$key];
 964                 } else {
 965                         return $default;
 966                 }
 967         }
 968 }