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  * @todo covers tags
  11  */
  12 class NewParserTest extends MediaWikiTestCase {
  13         static protected $articles = array(); // Array of test articles defined by the tests
  14         /* The data provider is run on a different instance than the test, so it must be static
  15          * When running tests from several files, all tests will see all articles.
  16          */
  17         static protected $backendToUse;
  18
  19         public $keepUploads = false;
  20         public $runDisabled = false;
  21         public $runParsoid = false;
  22         public $regex = '';
  23         public $showProgress = true;
  24         public $savedWeirdGlobals = array();
  25         public $savedGlobals = array();
  26         public $hooks = array();
  27         public $functionHooks = array();
  28
  29         //Fuzz test
  30         public $maxFuzzTestLength = 300;
  31         public $fuzzSeed = 0;
  32         public $memoryLimit = 50;
  33
  34         /**
  35          * @var DjVuSupport
  36          */
  37         private $djVuSupport;
  38
  39         protected $file = false;
  40
  41         public static function setUpBeforeClass() {
  42                 // Inject ParserTest well-known interwikis
  43                 ParserTest::setupInterwikis();
  44         }
  45
  46         protected function setUp() {
  47                 global $wgNamespaceAliases, $wgContLang;
  48                 global $wgHooks, $IP;
  49
  50                 parent::setUp();
  51
  52                 //Setup CLI arguments
  53                 if ( $this->getCliArg( 'regex=' ) ) {
  54                         $this->regex = $this->getCliArg( 'regex=' );
  55                 } else {
  56                         # Matches anything
  57                         $this->regex = '';
  58                 }
  59
  60                 $this->keepUploads = $this->getCliArg( 'keep-uploads' );
  61
  62                 $tmpGlobals = array();
  63
  64                 $tmpGlobals['wgLanguageCode'] = 'en';
  65                 $tmpGlobals['wgContLang'] = Language::factory( 'en' );
  66                 $tmpGlobals['wgSitename'] = 'MediaWiki';
  67                 $tmpGlobals['wgServer'] = 'http://example.org';
  68                 $tmpGlobals['wgServerName'] = 'example.org';
  69                 $tmpGlobals['wgScript'] = '/index.php';
  70                 $tmpGlobals['wgScriptPath'] = '/';
  71                 $tmpGlobals['wgArticlePath'] = '/wiki/$1';
  72                 $tmpGlobals['wgActionPaths'] = array();
  73                 $tmpGlobals['wgVariantArticlePath'] = false;
  74                 $tmpGlobals['wgExtensionAssetsPath'] = '/extensions';
  75                 $tmpGlobals['wgStylePath'] = '/skins';
  76                 $tmpGlobals['wgEnableUploads'] = true;
  77                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  78                 $tmpGlobals['wgLocalFileRepo'] = array(
  79                         'class' => 'LocalRepo',
  80                         'name' => 'local',
  81                         'url' => 'http://example.com/images',
  82                         'hashLevels' => 2,
  83                         'transformVia404' => false,
  84                         'backend' => 'local-backend'
  85                 );
  86                 $tmpGlobals['wgForeignFileRepos'] = array();
  87                 $tmpGlobals['wgDefaultExternalStore'] = array();
  88                 $tmpGlobals['wgEnableParserCache'] = false;
  89                 $tmpGlobals['wgCapitalLinks'] = true;
  90                 $tmpGlobals['wgNoFollowLinks'] = true;
  91                 $tmpGlobals['wgNoFollowDomainExceptions'] = array();
  92                 $tmpGlobals['wgExternalLinkTarget'] = false;
  93                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  94                 $tmpGlobals['wgUseImageResize'] = true;
  95                 $tmpGlobals['wgAllowExternalImages'] = true;
  96                 $tmpGlobals['wgRawHtml'] = false;
  97                 $tmpGlobals['wgUseTidy'] = false;
  98                 $tmpGlobals['wgAlwaysUseTidy'] = false;
  99                 $tmpGlobals['wgWellFormedXml'] = true;
 100                 $tmpGlobals['wgAllowMicrodataAttributes'] = true;
 101                 $tmpGlobals['wgExperimentalHtmlIds'] = false;
 102                 $tmpGlobals['wgAdaptiveMessageCache'] = true;
 103                 $tmpGlobals['wgUseDatabaseMessages'] = true;
 104                 $tmpGlobals['wgLocaltimezone'] = 'UTC';
 105                 $tmpGlobals['wgDeferredUpdateList'] = array();
 106                 $tmpGlobals['wgGroupPermissions'] = array(
 107                         '*' => array(
 108                                 'createaccount' => true,
 109                                 'read' => true,
 110                                 'edit' => true,
 111                                 'createpage' => true,
 112                                 'createtalk' => true,
 113                 ) );
 114                 $tmpGlobals['wgNamespaceProtection'] = array( NS_MEDIAWIKI => 'editinterface' );
 115
 116                 $tmpGlobals['wgParser'] = new StubObject(
 117                         'wgParser', $GLOBALS['wgParserConf']['class'],
 118                         array( $GLOBALS['wgParserConf'] ) );
 119
 120                 $tmpGlobals['wgFileExtensions'][] = 'svg';
 121                 $tmpGlobals['wgSVGConverter'] = 'rsvg';
 122                 $tmpGlobals['wgSVGConverters']['rsvg'] =
 123                         '$path/rsvg-convert -w $width -h $height $input -o $output';
 124
 125                 if ( $GLOBALS['wgStyleDirectory'] === false ) {
 126                         $tmpGlobals['wgStyleDirectory'] = "$IP/skins";
 127                 }
 128
 129                 # Replace all media handlers with a mock. We do not need to generate
 130                 # actual thumbnails to do parser testing, we only care about receiving
 131                 # a ThumbnailImage properly initialized.
 132                 global $wgMediaHandlers;
 133                 foreach ( $wgMediaHandlers as $type => $handler ) {
 134                         $tmpGlobals['wgMediaHandlers'][$type] = 'MockBitmapHandler';
 135                 }
 136                 // Vector images have to be handled slightly differently
 137                 $tmpGlobals['wgMediaHandlers']['image/svg+xml'] = 'MockSvgHandler';
 138
 139                 // DjVu images have to be handled slightly differently
 140                 $tmpGlobals['wgMediaHandlers']['image/vnd.djvu'] = 'MockDjVuHandler';
 141
 142                 $tmpHooks = $wgHooks;
 143                 $tmpHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
 144                 $tmpHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
 145                 $tmpGlobals['wgHooks'] = $tmpHooks;
 146                 # add a namespace shadowing a interwiki link, to test
 147                 # proper precedence when resolving links. (bug 51680)
 148                 $tmpGlobals['wgExtraNamespaces'] = array( 100 => 'MemoryAlpha' );
 149
 150                 //DjVu support
 151                 $this->djVuSupport = new DjVuSupport();
 152
 153                 $this->setMwGlobals( $tmpGlobals );
 154
 155                 $this->savedWeirdGlobals['image_alias'] = $wgNamespaceAliases['Image'];
 156                 $this->savedWeirdGlobals['image_talk_alias'] = $wgNamespaceAliases['Image_talk'];
 157
 158                 $wgNamespaceAliases['Image'] = NS_FILE;
 159                 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 160
 161                 MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
 162                 $wgContLang->resetNamespaces(); # reset namespace cache
 163         }
 164
 165         protected function tearDown() {
 166                 global $wgNamespaceAliases, $wgContLang;
 167
 168                 $wgNamespaceAliases['Image'] = $this->savedWeirdGlobals['image_alias'];
 169                 $wgNamespaceAliases['Image_talk'] = $this->savedWeirdGlobals['image_talk_alias'];
 170
 171                 // Restore backends
 172                 RepoGroup::destroySingleton();
 173                 FileBackendGroup::destroySingleton();
 174
 175                 // Remove temporary pages from the link cache
 176                 LinkCache::singleton()->clear();
 177
 178                 // Restore message cache (temporary pages and $wgUseDatabaseMessages)
 179                 MessageCache::destroyInstance();
 180
 181                 parent::tearDown();
 182
 183                 MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
 184                 $wgContLang->resetNamespaces(); # reset namespace cache
 185         }
 186
 187         public static function tearDownAfterClass() {
 188                 ParserTest::tearDownInterwikis();
 189                 parent::tearDownAfterClass();
 190         }
 191
 192         function addDBData() {
 193                 $this->tablesUsed[] = 'site_stats';
 194                 # disabled for performance
 195                 #$this->tablesUsed[] = 'image';
 196
 197                 # Update certain things in site_stats
 198                 $this->db->insert( 'site_stats',
 199                         array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ),
 200                         __METHOD__
 201                 );
 202
 203                 $user = User::newFromId( 0 );
 204                 LinkCache::singleton()->clear(); # Avoids the odd failure at creating the nullRevision
 205
 206                 # Upload DB table entries for files.
 207                 # We will upload the actual files later. Note that if anything causes LocalFile::load()
 208                 # to be triggered before then, it will break via maybeUpgrade() setting the fileExists
 209                 # member to false and storing it in cache.
 210                 # note that the size/width/height/bits/etc of the file
 211                 # are actually set by inspecting the file itself; the arguments
 212                 # to recordUpload2 have no effect.  That said, we try to make things
 213                 # match up so it is less confusing to readers of the code & tests.
 214                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
 215                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 216                         $image->recordUpload2(
 217                                 '', // archive name
 218                                 'Upload of some lame file',
 219                                 'Some lame file',
 220                                 array(
 221                                         'size' => 7881,
 222                                         'width' => 1941,
 223                                         'height' => 220,
 224                                         'bits' => 8,
 225                                         'media_type' => MEDIATYPE_BITMAP,
 226                                         'mime' => 'image/jpeg',
 227                                         'metadata' => serialize( array() ),
 228                                         'sha1' => wfBaseConvert( '1', 16, 36, 31 ),
 229                                         'fileExists' => true ),
 230                                 $this->db->timestamp( '20010115123500' ), $user
 231                         );
 232                 }
 233
 234                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) );
 235                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 236                         $image->recordUpload2(
 237                                 '', // archive name
 238                                 'Upload of some lame thumbnail',
 239                                 'Some lame thumbnail',
 240                                 array(
 241                                         'size' => 22589,
 242                                         'width' => 135,
 243                                         'height' => 135,
 244                                         'bits' => 8,
 245                                         'media_type' => MEDIATYPE_BITMAP,
 246                                         'mime' => 'image/png',
 247                                         'metadata' => serialize( array() ),
 248                                         'sha1' => wfBaseConvert( '2', 16, 36, 31 ),
 249                                         'fileExists' => true ),
 250                                 $this->db->timestamp( '20130225203040' ), $user
 251                         );
 252                 }
 253
 254                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
 255                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
 256                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 257                         $image->recordUpload2(
 258                                 '', // archive name
 259                                 'zomgnotcensored',
 260                                 'Borderline image',
 261                                 array(
 262                                         'size' => 12345,
 263                                         'width' => 320,
 264                                         'height' => 240,
 265                                         'bits' => 24,
 266                                         'media_type' => MEDIATYPE_BITMAP,
 267                                         'mime' => 'image/jpeg',
 268                                         'metadata' => serialize( array() ),
 269                                         'sha1' => wfBaseConvert( '3', 16, 36, 31 ),
 270                                         'fileExists' => true ),
 271                                 $this->db->timestamp( '20010115123500' ), $user
 272                         );
 273                 }
 274                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.svg' ) );
 275                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 276                         $image->recordUpload2( '', 'Upload of some lame SVG', 'Some lame SVG', array(
 277                                         'size'        => 12345,
 278                                         'width'       => 240,
 279                                         'height'      => 180,
 280                                         'bits'        => 0,
 281                                         'media_type'  => MEDIATYPE_DRAWING,
 282                                         'mime'        => 'image/svg+xml',
 283                                         'metadata'    => serialize( array() ),
 284                                         'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
 285                                         'fileExists'  => true
 286                         ), $this->db->timestamp( '20010115123500' ), $user );
 287                 }
 288
 289                 # A DjVu file
 290                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'LoremIpsum.djvu' ) );
 291                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 292                         $image->recordUpload2( '', 'Upload a DjVu', 'A DjVu', array(
 293                                 'size' => 3249,
 294                                 'width' => 2480,
 295                                 'height' => 3508,
 296                                 'bits' => 0,
 297                                 'media_type' => MEDIATYPE_BITMAP,
 298                                 'mime' => 'image/vnd.djvu',
 299                                 'metadata' => '<?xml version="1.0" ?>
 300 <!DOCTYPE DjVuXML PUBLIC "-//W3C//DTD DjVuXML 1.1//EN" "pubtext/DjVuXML-s.dtd">
 301 <DjVuXML>
 302 <HEAD></HEAD>
 303 <BODY><OBJECT height="3508" width="2480">
 304 <PARAM name="DPI" value="300" />
 305 <PARAM name="GAMMA" value="2.2" />
 306 </OBJECT>
 307 <OBJECT height="3508" width="2480">
 308 <PARAM name="DPI" value="300" />
 309 <PARAM name="GAMMA" value="2.2" />
 310 </OBJECT>
 311 <OBJECT height="3508" width="2480">
 312 <PARAM name="DPI" value="300" />
 313 <PARAM name="GAMMA" value="2.2" />
 314 </OBJECT>
 315 <OBJECT height="3508" width="2480">
 316 <PARAM name="DPI" value="300" />
 317 <PARAM name="GAMMA" value="2.2" />
 318 </OBJECT>
 319 <OBJECT height="3508" width="2480">
 320 <PARAM name="DPI" value="300" />
 321 <PARAM name="GAMMA" value="2.2" />
 322 </OBJECT>
 323 </BODY>
 324 </DjVuXML>',
 325                                 'sha1' => wfBaseConvert( '', 16, 36, 31 ),
 326                                 'fileExists' => true
 327                         ), $this->db->timestamp( '20140115123600' ), $user );
 328                 }
 329         }
 330
 331         //ParserTest setup/teardown functions
 332
 333         /**
 334          * Set up the global variables for a consistent environment for each test.
 335          * Ideally this should replace the global configuration entirely.
 336          */
 337         protected function setupGlobals( $opts = array(), $config = '' ) {
 338                 global $wgFileBackends;
 339                 # Find out values for some special options.
 340                 $lang =
 341                         self::getOptionValue( 'language', $opts, 'en' );
 342                 $variant =
 343                         self::getOptionValue( 'variant', $opts, false );
 344                 $maxtoclevel =
 345                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 346                 $linkHolderBatchSize =
 347                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 348
 349                 $uploadDir = $this->getUploadDir();
 350                 if ( $this->getCliArg( 'use-filebackend=' ) ) {
 351                         if ( self::$backendToUse ) {
 352                                 $backend = self::$backendToUse;
 353                         } else {
 354                                 $name = $this->getCliArg( 'use-filebackend=' );
 355                                 $useConfig = array();
 356                                 foreach ( $wgFileBackends as $conf ) {
 357                                         if ( $conf['name'] == $name ) {
 358                                                 $useConfig = $conf;
 359                                         }
 360                                 }
 361                                 $useConfig['name'] = 'local-backend'; // swap name
 362                                 unset( $useConfig['lockManager'] );
 363                                 unset( $useConfig['fileJournal'] );
 364                                 $class = $useConfig['class'];
 365                                 self::$backendToUse = new $class( $useConfig );
 366                                 $backend = self::$backendToUse;
 367                         }
 368                 } else {
 369                         # Replace with a mock. We do not care about generating real
 370                         # files on the filesystem, just need to expose the file
 371                         # informations.
 372                         $backend = new MockFileBackend( array(
 373                                 'name' => 'local-backend',
 374                                 'wikiId' => wfWikiId()
 375                         ) );
 376                 }
 377
 378                 $settings = array(
 379                         'wgLocalFileRepo' => array(
 380                                 'class' => 'LocalRepo',
 381                                 'name' => 'local',
 382                                 'url' => 'http://example.com/images',
 383                                 'hashLevels' => 2,
 384                                 'transformVia404' => false,
 385                                 'backend' => $backend
 386                         ),
 387                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
 388                         'wgLanguageCode' => $lang,
 389                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'unittest_' : 'ut_',
 390                         'wgRawHtml' => self::getOptionValue( 'wgRawHtml', $opts, false ),
 391                         'wgNamespacesWithSubpages' => array( NS_MAIN => isset( $opts['subpage'] ) ),
 392                         'wgAllowExternalImages' => self::getOptionValue( 'wgAllowExternalImages', $opts, true ),
 393                         'wgThumbLimits' => array( self::getOptionValue( 'thumbsize', $opts, 180 ) ),
 394                         'wgMaxTocLevel' => $maxtoclevel,
 395                         'wgUseTeX' => isset( $opts['math'] ) || isset( $opts['texvc'] ),
 396                         'wgMathDirectory' => $uploadDir . '/math',
 397                         'wgDefaultLanguageVariant' => $variant,
 398                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 399                 );
 400
 401                 if ( $config ) {
 402                         $configLines = explode( "\n", $config );
 403
 404                         foreach ( $configLines as $line ) {
 405                                 list( $var, $value ) = explode( '=', $line, 2 );
 406
 407                                 $settings[$var] = eval( "return $value;" ); //???
 408                         }
 409                 }
 410
 411                 $this->savedGlobals = array();
 412
 413                 /** @since 1.20 */
 414                 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
 415
 416                 $langObj = Language::factory( $lang );
 417                 $settings['wgContLang'] = $langObj;
 418                 $settings['wgLang'] = $langObj;
 419
 420                 $context = new RequestContext();
 421                 $settings['wgOut'] = $context->getOutput();
 422                 $settings['wgUser'] = $context->getUser();
 423                 $settings['wgRequest'] = $context->getRequest();
 424
 425                 // We (re)set $wgThumbLimits to a single-element array above.
 426                 $context->getUser()->setOption( 'thumbsize', 0 );
 427
 428                 foreach ( $settings as $var => $val ) {
 429                         if ( array_key_exists( $var, $GLOBALS ) ) {
 430                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 431                         }
 432
 433                         $GLOBALS[$var] = $val;
 434                 }
 435
 436                 MagicWord::clearCache();
 437
 438                 # The entries saved into RepoGroup cache with previous globals will be wrong.
 439                 RepoGroup::destroySingleton();
 440                 FileBackendGroup::destroySingleton();
 441
 442                 # Create dummy files in storage
 443                 $this->setupUploads();
 444
 445                 # Publish the articles after we have the final language set
 446                 $this->publishTestArticles();
 447
 448                 MessageCache::destroyInstance();
 449
 450                 return $context;
 451         }
 452
 453         /**
 454          * Get an FS upload directory (only applies to FSFileBackend)
 455          *
 456          * @return string The directory
 457          */
 458         protected function getUploadDir() {
 459                 if ( $this->keepUploads ) {
 460                         $dir = wfTempDir() . '/mwParser-images';
 461
 462                         if ( is_dir( $dir ) ) {
 463                                 return $dir;
 464                         }
 465                 } else {
 466                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
 467                 }
 468
 469                 // wfDebug( "Creating upload directory $dir\n" );
 470                 if ( file_exists( $dir ) ) {
 471                         wfDebug( "Already exists!\n" );
 472
 473                         return $dir;
 474                 }
 475
 476                 return $dir;
 477         }
 478
 479         /**
 480          * Create a dummy uploads directory which will contain a couple
 481          * of files in order to pass existence tests.
 482          *
 483          * @return string The directory
 484          */
 485         protected function setupUploads() {
 486                 global $IP;
 487
 488                 $base = $this->getBaseDir();
 489                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 490                 $backend->prepare( array( 'dir' => "$base/local-public/3/3a" ) );
 491                 $backend->store( array(
 492                         'src' => "$IP/tests/phpunit/data/parser/headbg.jpg", 'dst' => "$base/local-public/3/3a/Foobar.jpg"
 493                 ) );
 494                 $backend->prepare( array( 'dir' => "$base/local-public/e/ea" ) );
 495                 $backend->store( array(
 496                         'src' => "$IP/tests/phpunit/data/parser/wiki.png", 'dst' => "$base/local-public/e/ea/Thumb.png"
 497                 ) );
 498                 $backend->prepare( array( 'dir' => "$base/local-public/0/09" ) );
 499                 $backend->store( array(
 500                         'src' => "$IP/tests/phpunit/data/parser/headbg.jpg", 'dst' => "$base/local-public/0/09/Bad.jpg"
 501                 ) );
 502                 $backend->prepare( array( 'dir' => "$base/local-public/5/5f" ) );
 503                 $backend->store( array(
 504                         'src' => "$IP/tests/phpunit/data/parser/LoremIpsum.djvu", 'dst' => "$base/local-public/5/5f/LoremIpsum.djvu"
 505                 ) );
 506
 507                 // No helpful SVG file to copy, so make one ourselves
 508                 $data = '<?xml version="1.0" encoding="utf-8"?>' .
 509                         '<svg xmlns="http://www.w3.org/2000/svg"' .
 510                         ' version="1.1" width="240" height="180"/>';
 511
 512                 $backend->prepare( array( 'dir' => "$base/local-public/f/ff" ) );
 513                 $backend->quickCreate( array(
 514                         'content' => $data, 'dst' => "$base/local-public/f/ff/Foobar.svg"
 515                 ) );
 516         }
 517
 518         /**
 519          * Restore default values and perform any necessary clean-up
 520          * after each test runs.
 521          */
 522         protected function teardownGlobals() {
 523                 $this->teardownUploads();
 524
 525                 foreach ( $this->savedGlobals as $var => $val ) {
 526                         $GLOBALS[$var] = $val;
 527                 }
 528         }
 529
 530         /**
 531          * Remove the dummy uploads directory
 532          */
 533         private function teardownUploads() {
 534                 if ( $this->keepUploads ) {
 535                         return;
 536                 }
 537
 538                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 539                 if ( $backend instanceof MockFileBackend ) {
 540                         # In memory backend, so dont bother cleaning them up.
 541                         return;
 542                 }
 543
 544                 $base = $this->getBaseDir();
 545                 // delete the files first, then the dirs.
 546                 self::deleteFiles(
 547                         array(
 548                                 "$base/local-public/3/3a/Foobar.jpg",
 549                                 "$base/local-thumb/3/3a/Foobar.jpg/1000px-Foobar.jpg",
 550                                 "$base/local-thumb/3/3a/Foobar.jpg/100px-Foobar.jpg",
 551                                 "$base/local-thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
 552                                 "$base/local-thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
 553                                 "$base/local-thumb/3/3a/Foobar.jpg/137px-Foobar.jpg",
 554                                 "$base/local-thumb/3/3a/Foobar.jpg/1500px-Foobar.jpg",
 555                                 "$base/local-thumb/3/3a/Foobar.jpg/177px-Foobar.jpg",
 556                                 "$base/local-thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
 557                                 "$base/local-thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
 558                                 "$base/local-thumb/3/3a/Foobar.jpg/206px-Foobar.jpg",
 559                                 "$base/local-thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
 560                                 "$base/local-thumb/3/3a/Foobar.jpg/220px-Foobar.jpg",
 561                                 "$base/local-thumb/3/3a/Foobar.jpg/265px-Foobar.jpg",
 562                                 "$base/local-thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
 563                                 "$base/local-thumb/3/3a/Foobar.jpg/274px-Foobar.jpg",
 564                                 "$base/local-thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
 565                                 "$base/local-thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
 566                                 "$base/local-thumb/3/3a/Foobar.jpg/330px-Foobar.jpg",
 567                                 "$base/local-thumb/3/3a/Foobar.jpg/353px-Foobar.jpg",
 568                                 "$base/local-thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
 569                                 "$base/local-thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
 570                                 "$base/local-thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
 571                                 "$base/local-thumb/3/3a/Foobar.jpg/440px-Foobar.jpg",
 572                                 "$base/local-thumb/3/3a/Foobar.jpg/442px-Foobar.jpg",
 573                                 "$base/local-thumb/3/3a/Foobar.jpg/450px-Foobar.jpg",
 574                                 "$base/local-thumb/3/3a/Foobar.jpg/50px-Foobar.jpg",
 575                                 "$base/local-thumb/3/3a/Foobar.jpg/600px-Foobar.jpg",
 576                                 "$base/local-thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
 577                                 "$base/local-thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
 578                                 "$base/local-thumb/3/3a/Foobar.jpg/75px-Foobar.jpg",
 579                                 "$base/local-thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
 580
 581                                 "$base/local-public/e/ea/Thumb.png",
 582
 583                                 "$base/local-public/0/09/Bad.jpg",
 584
 585                                 "$base/local-public/5/5f/LoremIpsum.djvu",
 586                                 "$base/local-thumb/5/5f/LoremIpsum.djvu/page2-2480px-LoremIpsum.djvu.jpg",
 587                                 "$base/local-thumb/5/5f/LoremIpsum.djvu/page2-3720px-LoremIpsum.djvu.jpg",
 588                                 "$base/local-thumb/5/5f/LoremIpsum.djvu/page2-4960px-LoremIpsum.djvu.jpg",
 589
 590                                 "$base/local-public/f/ff/Foobar.svg",
 591                                 "$base/local-thumb/f/ff/Foobar.svg/180px-Foobar.svg.png",
 592                                 "$base/local-thumb/f/ff/Foobar.svg/2000px-Foobar.svg.png",
 593                                 "$base/local-thumb/f/ff/Foobar.svg/270px-Foobar.svg.png",
 594                                 "$base/local-thumb/f/ff/Foobar.svg/3000px-Foobar.svg.png",
 595                                 "$base/local-thumb/f/ff/Foobar.svg/360px-Foobar.svg.png",
 596                                 "$base/local-thumb/f/ff/Foobar.svg/4000px-Foobar.svg.png",
 597                                 "$base/local-thumb/f/ff/Foobar.svg/langde-180px-Foobar.svg.png",
 598                                 "$base/local-thumb/f/ff/Foobar.svg/langde-270px-Foobar.svg.png",
 599                                 "$base/local-thumb/f/ff/Foobar.svg/langde-360px-Foobar.svg.png",
 600
 601                                 "$base/local-public/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
 602                         )
 603                 );
 604         }
 605
 606         /**
 607          * Delete the specified files, if they exist.
 608          * @param array $files Full paths to files to delete.
 609          */
 610         private static function deleteFiles( $files ) {
 611                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 612                 foreach ( $files as $file ) {
 613                         $backend->delete( array( 'src' => $file ), array( 'force' => 1 ) );
 614                 }
 615                 foreach ( $files as $file ) {
 616                         $tmp = $file;
 617                         while ( $tmp = FileBackend::parentStoragePath( $tmp ) ) {
 618                                 if ( !$backend->clean( array( 'dir' => $tmp ) )->isOK() ) {
 619                                         break;
 620                                 }
 621                         }
 622                 }
 623         }
 624
 625         protected function getBaseDir() {
 626                 return 'mwstore://local-backend';
 627         }
 628
 629         public function parserTestProvider() {
 630                 if ( $this->file === false ) {
 631                         global $wgParserTestFiles;
 632                         $this->file = $wgParserTestFiles[0];
 633                 }
 634
 635                 return new TestFileIterator( $this->file, $this );
 636         }
 637
 638         /**
 639          * Set the file from whose tests will be run by this instance
 640          * @param string $filename
 641          */
 642         public function setParserTestFile( $filename ) {
 643                 $this->file = $filename;
 644         }
 645
 646         /**
 647          * @group medium
 648          * @dataProvider parserTestProvider
 649          * @param string $desc
 650          * @param string $input
 651          * @param string $result
 652          * @param array $opts
 653          * @param array $config
 654          */
 655         public function testParserTest( $desc, $input, $result, $opts, $config ) {
 656                 if ( $this->regex != '' && !preg_match( '/' . $this->regex . '/', $desc ) ) {
 657                         $this->assertTrue( true ); // XXX: don't flood output with "test made no assertions"
 658                         //$this->markTestSkipped( 'Filtered out by the user' );
 659                         return;
 660                 }
 661
 662                 if ( !$this->isWikitextNS( NS_MAIN ) ) {
 663                         // parser tests frequently assume that the main namespace contains wikitext.
 664                         // @todo When setting up pages, force the content model. Only skip if
 665                         //        $wgtContentModelUseDB is false.
 666                         $this->markTestSkipped( "Main namespace does not support wikitext,"
 667                                 . "skipping parser test: $desc" );
 668                 }
 669
 670                 wfDebug( "Running parser test: $desc\n" );
 671
 672                 $opts = $this->parseOptions( $opts );
 673                 $context = $this->setupGlobals( $opts, $config );
 674
 675                 $user = $context->getUser();
 676                 $options = ParserOptions::newFromContext( $context );
 677
 678                 if ( isset( $opts['title'] ) ) {
 679                         $titleText = $opts['title'];
 680                 } else {
 681                         $titleText = 'Parser test';
 682                 }
 683
 684                 $local = isset( $opts['local'] );
 685                 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
 686                 $parser = $this->getParser( $preprocessor );
 687
 688                 $title = Title::newFromText( $titleText );
 689
 690                 # Parser test requiring math. Make sure texvc is executable
 691                 # or just skip such tests.
 692                 if ( isset( $opts['math'] ) || isset( $opts['texvc'] ) ) {
 693                         global $wgTexvc;
 694
 695                         if ( !isset( $wgTexvc ) ) {
 696                                 $this->markTestSkipped( "SKIPPED: \$wgTexvc is not set" );
 697                         } elseif ( !is_executable( $wgTexvc ) ) {
 698                                 $this->markTestSkipped( "SKIPPED: texvc binary does not exist"
 699                                         . " or is not executable.\n"
 700                                         . "Current configuration is:\n\$wgTexvc = '$wgTexvc'" );
 701                         }
 702                 }
 703                 if ( isset( $opts['djvu'] ) ) {
 704                         if ( !$this->djVuSupport->isEnabled() ) {
 705                                 $this->markTestSkipped( "SKIPPED: djvu binaries do not exist or are not executable.\n" );
 706                         }
 707                 }
 708
 709                 if ( isset( $opts['pst'] ) ) {
 710                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
 711                 } elseif ( isset( $opts['msg'] ) ) {
 712                         $out = $parser->transformMsg( $input, $options, $title );
 713                 } elseif ( isset( $opts['section'] ) ) {
 714                         $section = $opts['section'];
 715                         $out = $parser->getSection( $input, $section );
 716                 } elseif ( isset( $opts['replace'] ) ) {
 717                         $section = $opts['replace'][0];
 718                         $replace = $opts['replace'][1];
 719                         $out = $parser->replaceSection( $input, $section, $replace );
 720                 } elseif ( isset( $opts['comment'] ) ) {
 721                         $out = Linker::formatComment( $input, $title, $local );
 722                 } elseif ( isset( $opts['preload'] ) ) {
 723                         $out = $parser->getPreloadText( $input, $title, $options );
 724                 } else {
 725                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
 726                         $output->setTOCEnabled( !isset( $opts['notoc'] ) );
 727                         $out = $output->getText();
 728
 729                         if ( isset( $opts['showtitle'] ) ) {
 730                                 if ( $output->getTitleText() ) {
 731                                         $title = $output->getTitleText();
 732                                 }
 733
 734                                 $out = "$title\n$out";
 735                         }
 736
 737                         if ( isset( $opts['ill'] ) ) {
 738                                 $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
 739                         } elseif ( isset( $opts['cat'] ) ) {
 740                                 $outputPage = $context->getOutput();
 741                                 $outputPage->addCategoryLinks( $output->getCategories() );
 742                                 $cats = $outputPage->getCategoryLinks();
 743
 744                                 if ( isset( $cats['normal'] ) ) {
 745                                         $out = $this->tidy( implode( ' ', $cats['normal'] ) );
 746                                 } else {
 747                                         $out = '';
 748                                 }
 749                         }
 750                         $parser->mPreprocessor = null;
 751
 752                         $result = $this->tidy( $result );
 753                 }
 754
 755                 $this->teardownGlobals();
 756
 757                 $this->assertEquals( $result, $out, $desc );
 758         }
 759
 760         /**
 761          * Run a fuzz test series
 762          * Draw input from a set of test files
 763          *
 764          * @todo fixme Needs some work to not eat memory until the world explodes
 765          *
 766          * @group ParserFuzz
 767          */
 768         public function testFuzzTests() {
 769                 global $wgParserTestFiles;
 770
 771                 $files = $wgParserTestFiles;
 772
 773                 if ( $this->getCliArg( 'file=' ) ) {
 774                         $files = array( $this->getCliArg( 'file=' ) );
 775                 }
 776
 777                 $dict = $this->getFuzzInput( $files );
 778                 $dictSize = strlen( $dict );
 779                 $logMaxLength = log( $this->maxFuzzTestLength );
 780
 781                 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
 782
 783                 $user = new User;
 784                 $opts = ParserOptions::newFromUser( $user );
 785                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
 786
 787                 $id = 1;
 788
 789                 while ( true ) {
 790
 791                         // Generate test input
 792                         mt_srand( ++$this->fuzzSeed );
 793                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
 794                         $input = '';
 795
 796                         while ( strlen( $input ) < $totalLength ) {
 797                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
 798                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
 799                                 $offset = mt_rand( 0, $dictSize - $hairLength );
 800                                 $input .= substr( $dict, $offset, $hairLength );
 801                         }
 802
 803                         $this->setupGlobals();
 804                         $parser = $this->getParser();
 805
 806                         // Run the test
 807                         try {
 808                                 $parser->parse( $input, $title, $opts );
 809                                 $this->assertTrue( true, "Test $id, fuzz seed {$this->fuzzSeed}" );
 810                         } catch ( Exception $exception ) {
 811                                 $input_dump = sprintf( "string(%d) \"%s\"\n", strlen( $input ), $input );
 812
 813                                 $this->assertTrue( false, "Test $id, fuzz seed {$this->fuzzSeed}. \n\n" .
 814                                         "Input: $input_dump\n\nError: {$exception->getMessage()}\n\n" .
 815                                         "Backtrace: {$exception->getTraceAsString()}" );
 816                         }
 817
 818                         $this->teardownGlobals();
 819                         $parser->__destruct();
 820
 821                         if ( $id % 100 == 0 ) {
 822                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
 823                                 //echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
 824                                 if ( $usage > 90 ) {
 825                                         $ret = "Out of memory:\n";
 826                                         $memStats = $this->getMemoryBreakdown();
 827
 828                                         foreach ( $memStats as $name => $usage ) {
 829                                                 $ret .= "$name: $usage\n";
 830                                         }
 831
 832                                         throw new MWException( $ret );
 833                                 }
 834                         }
 835
 836                         $id++;
 837                 }
 838         }
 839
 840         //Various getter functions
 841
 842         /**
 843          * Get an input dictionary from a set of parser test files
 844          * @param array $filenames
 845          */
 846         function getFuzzInput( $filenames ) {
 847                 $dict = '';
 848
 849                 foreach ( $filenames as $filename ) {
 850                         $contents = file_get_contents( $filename );
 851                         preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
 852
 853                         foreach ( $matches[1] as $match ) {
 854                                 $dict .= $match . "\n";
 855                         }
 856                 }
 857
 858                 return $dict;
 859         }
 860
 861         /**
 862          * Get a memory usage breakdown
 863          */
 864         function getMemoryBreakdown() {
 865                 $memStats = array();
 866
 867                 foreach ( $GLOBALS as $name => $value ) {
 868                         $memStats['$' . $name] = strlen( serialize( $value ) );
 869                 }
 870
 871                 $classes = get_declared_classes();
 872
 873                 foreach ( $classes as $class ) {
 874                         $rc = new ReflectionClass( $class );
 875                         $props = $rc->getStaticProperties();
 876                         $memStats[$class] = strlen( serialize( $props ) );
 877                         $methods = $rc->getMethods();
 878
 879                         foreach ( $methods as $method ) {
 880                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 881                         }
 882                 }
 883
 884                 $functions = get_defined_functions();
 885
 886                 foreach ( $functions['user'] as $function ) {
 887                         $rf = new ReflectionFunction( $function );
 888                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 889                 }
 890
 891                 asort( $memStats );
 892
 893                 return $memStats;
 894         }
 895
 896         /**
 897          * Get a Parser object
 898          * @param Preprocessor $preprocessor
 899          */
 900         function getParser( $preprocessor = null ) {
 901                 global $wgParserConf;
 902
 903                 $class = $wgParserConf['class'];
 904                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
 905
 906                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
 907
 908                 return $parser;
 909         }
 910
 911         //Various action functions
 912
 913         public function addArticle( $name, $text, $line ) {
 914                 self::$articles[$name] = array( $text, $line );
 915         }
 916
 917         public function publishTestArticles() {
 918                 if ( empty( self::$articles ) ) {
 919                         return;
 920                 }
 921
 922                 foreach ( self::$articles as $name => $info ) {
 923                         list( $text, $line ) = $info;
 924                         ParserTest::addArticle( $name, $text, $line, 'ignoreduplicate' );
 925                 }
 926         }
 927
 928         /**
 929          * Steal a callback function from the primary parser, save it for
 930          * application to our scary parser. If the hook is not installed,
 931          * abort processing of this file.
 932          *
 933          * @param string $name
 934          * @return bool True if tag hook is present
 935          */
 936         public function requireHook( $name ) {
 937                 global $wgParser;
 938                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 939                 return isset( $wgParser->mTagHooks[$name] );
 940         }
 941
 942         public function requireFunctionHook( $name ) {
 943                 global $wgParser;
 944                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 945                 return isset( $wgParser->mFunctionHooks[$name] );
 946         }
 947
 948         //Various "cleanup" functions
 949
 950         /**
 951          * Run the "tidy" command on text if the $wgUseTidy
 952          * global is true
 953          *
 954          * @param string $text The text to tidy
 955          * @return string
 956          */
 957         protected function tidy( $text ) {
 958                 global $wgUseTidy;
 959
 960                 if ( $wgUseTidy ) {
 961                         $text = MWTidy::tidy( $text );
 962                 }
 963
 964                 return $text;
 965         }
 966
 967         /**
 968          * Remove last character if it is a newline
 969          * @param string $s
 970          */
 971         public function removeEndingNewline( $s ) {
 972                 if ( substr( $s, -1 ) === "\n" ) {
 973                         return substr( $s, 0, -1 );
 974                 } else {
 975                         return $s;
 976                 }
 977         }
 978
 979         //Test options parser functions
 980
 981         protected function parseOptions( $instring ) {
 982                 $opts = array();
 983                 // foo
 984                 // foo=bar
 985                 // foo="bar baz"
 986                 // foo=[[bar baz]]
 987                 // foo=bar,"baz quux"
 988                 $regex = '/\b
 989                         ([\w-]+)                                                # Key
 990                         \b
 991                         (?:\s*
 992                                 =                                               # First sub-value
 993                                 \s*
 994                                 (
 995                                         "
 996                                                 [^"]*                   # Quoted val
 997                                         "
 998                                 |
 999                                         \[\[
1000                                                 [^]]*                   # Link target
1001                                         \]\]
1002                                 |
1003                                         [\w-]+                          # Plain word
1004                                 )
1005                                 (?:\s*
1006                                         ,                                       # Sub-vals 1..N
1007                                         \s*
1008                                         (
1009                                                 "[^"]*"                 # Quoted val
1010                                         |
1011                                                 \[\[[^]]*\]\]   # Link target
1012                                         |
1013                                                 [\w-]+                  # Plain word
1014                                         )
1015                                 )*
1016                         )?
1017                         /x';
1018
1019                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
1020                         foreach ( $matches as $bits ) {
1021                                 array_shift( $bits );
1022                                 $key = strtolower( array_shift( $bits ) );
1023                                 if ( count( $bits ) == 0 ) {
1024                                         $opts[$key] = true;
1025                                 } elseif ( count( $bits ) == 1 ) {
1026                                         $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
1027                                 } else {
1028                                         // Array!
1029                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
1030                                 }
1031                         }
1032                 }
1033
1034                 return $opts;
1035         }
1036
1037         protected function cleanupOption( $opt ) {
1038                 if ( substr( $opt, 0, 1 ) == '"' ) {
1039                         return substr( $opt, 1, -1 );
1040                 }
1041
1042                 if ( substr( $opt, 0, 2 ) == '[[' ) {
1043                         return substr( $opt, 2, -2 );
1044                 }
1045
1046                 return $opt;
1047         }
1048
1049         /**
1050          * Use a regex to find out the value of an option
1051          * @param string $key Name of option val to retrieve
1052          * @param array $opts Options array to look in
1053          * @param mixed $default Default value returned if not found
1054          */
1055         protected static function getOptionValue( $key, $opts, $default ) {
1056                 $key = strtolower( $key );
1057
1058                 if ( isset( $opts[$key] ) ) {
1059                         return $opts[$key];
1060                 } else {
1061                         return $default;
1062                 }
1063         }
1064 }