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