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         public $transparentHooks = array();
  29
  30         //Fuzz test
  31         public $maxFuzzTestLength = 300;
  32         public $fuzzSeed = 0;
  33         public $memoryLimit = 50;
  34
  35         /**
  36          * @var DjVuSupport
  37          */
  38         private $djVuSupport;
  39
  40         protected $file = false;
  41
  42         public static function setUpBeforeClass() {
  43                 // Inject ParserTest well-known interwikis
  44                 ParserTest::setupInterwikis();
  45         }
  46
  47         protected function setUp() {
  48                 global $wgNamespaceAliases, $wgContLang;
  49                 global $wgHooks, $IP;
  50
  51                 parent::setUp();
  52
  53                 //Setup CLI arguments
  54                 if ( $this->getCliArg( 'regex=' ) ) {
  55                         $this->regex = $this->getCliArg( 'regex=' );
  56                 } else {
  57                         # Matches anything
  58                         $this->regex = '';
  59                 }
  60
  61                 $this->keepUploads = $this->getCliArg( 'keep-uploads' );
  62
  63                 $tmpGlobals = array();
  64
  65                 $tmpGlobals['wgLanguageCode'] = 'en';
  66                 $tmpGlobals['wgContLang'] = Language::factory( 'en' );
  67                 $tmpGlobals['wgSitename'] = 'MediaWiki';
  68                 $tmpGlobals['wgServer'] = 'http://example.org';
  69                 $tmpGlobals['wgServerName'] = 'example.org';
  70                 $tmpGlobals['wgScript'] = '/index.php';
  71                 $tmpGlobals['wgScriptPath'] = '/';
  72                 $tmpGlobals['wgArticlePath'] = '/wiki/$1';
  73                 $tmpGlobals['wgActionPaths'] = array();
  74                 $tmpGlobals['wgVariantArticlePath'] = false;
  75                 $tmpGlobals['wgExtensionAssetsPath'] = '/extensions';
  76                 $tmpGlobals['wgStylePath'] = '/skins';
  77                 $tmpGlobals['wgEnableUploads'] = true;
  78                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  79                 $tmpGlobals['wgLocalFileRepo'] = array(
  80                         'class' => 'LocalRepo',
  81                         'name' => 'local',
  82                         'url' => 'http://example.com/images',
  83                         'hashLevels' => 2,
  84                         'transformVia404' => false,
  85                         'backend' => 'local-backend'
  86                 );
  87                 $tmpGlobals['wgForeignFileRepos'] = array();
  88                 $tmpGlobals['wgDefaultExternalStore'] = array();
  89                 $tmpGlobals['wgEnableParserCache'] = false;
  90                 $tmpGlobals['wgCapitalLinks'] = true;
  91                 $tmpGlobals['wgNoFollowLinks'] = true;
  92                 $tmpGlobals['wgNoFollowDomainExceptions'] = array();
  93                 $tmpGlobals['wgExternalLinkTarget'] = false;
  94                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  95                 $tmpGlobals['wgUseImageResize'] = true;
  96                 $tmpGlobals['wgAllowExternalImages'] = true;
  97                 $tmpGlobals['wgRawHtml'] = false;
  98                 $tmpGlobals['wgUseTidy'] = false;
  99                 $tmpGlobals['wgAlwaysUseTidy'] = false;
 100                 $tmpGlobals['wgWellFormedXml'] = true;
 101                 $tmpGlobals['wgAllowMicrodataAttributes'] = true;
 102                 $tmpGlobals['wgExperimentalHtmlIds'] = false;
 103                 $tmpGlobals['wgAdaptiveMessageCache'] = true;
 104                 $tmpGlobals['wgUseDatabaseMessages'] = true;
 105                 $tmpGlobals['wgLocaltimezone'] = 'UTC';
 106                 $tmpGlobals['wgDeferredUpdateList'] = array();
 107                 $tmpGlobals['wgGroupPermissions'] = array(
 108                         '*' => array(
 109                                 'createaccount' => true,
 110                                 'read' => true,
 111                                 'edit' => true,
 112                                 'createpage' => true,
 113                                 'createtalk' => true,
 114                 ) );
 115                 $tmpGlobals['wgNamespaceProtection'] = array( NS_MEDIAWIKI => 'editinterface' );
 116
 117                 $tmpGlobals['wgParser'] = new StubObject(
 118                         'wgParser', $GLOBALS['wgParserConf']['class'],
 119                         array( $GLOBALS['wgParserConf'] ) );
 120
 121                 $tmpGlobals['wgFileExtensions'][] = 'svg';
 122                 $tmpGlobals['wgSVGConverter'] = 'rsvg';
 123                 $tmpGlobals['wgSVGConverters']['rsvg'] =
 124                         '$path/rsvg-convert -w $width -h $height $input -o $output';
 125
 126                 if ( $GLOBALS['wgStyleDirectory'] === false ) {
 127                         $tmpGlobals['wgStyleDirectory'] = "$IP/skins";
 128                 }
 129
 130                 # Replace all media handlers with a mock. We do not need to generate
 131                 # actual thumbnails to do parser testing, we only care about receiving
 132                 # a ThumbnailImage properly initialized.
 133                 global $wgMediaHandlers;
 134                 foreach ( $wgMediaHandlers as $type => $handler ) {
 135                         $tmpGlobals['wgMediaHandlers'][$type] = 'MockBitmapHandler';
 136                 }
 137                 // Vector images have to be handled slightly differently
 138                 $tmpGlobals['wgMediaHandlers']['image/svg+xml'] = 'MockSvgHandler';
 139
 140                 // DjVu images have to be handled slightly differently
 141                 $tmpGlobals['wgMediaHandlers']['image/vnd.djvu'] = 'MockDjVuHandler';
 142
 143                 $tmpHooks = $wgHooks;
 144                 $tmpHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
 145                 $tmpHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
 146                 $tmpGlobals['wgHooks'] = $tmpHooks;
 147                 # add a namespace shadowing a interwiki link, to test
 148                 # proper precedence when resolving links. (bug 51680)
 149                 $tmpGlobals['wgExtraNamespaces'] = array( 100 => 'MemoryAlpha' );
 150
 151                 # "extra language links"
 152                 # see https://gerrit.wikimedia.org/r/111390
 153                 $tmpGlobals['wgExtraInterlanguageLinkPrefixes'] = array( 'mul' );
 154
 155                 //DjVu support
 156                 $this->djVuSupport = new DjVuSupport();
 157
 158                 $this->setMwGlobals( $tmpGlobals );
 159
 160                 $this->savedWeirdGlobals['image_alias'] = $wgNamespaceAliases['Image'];
 161                 $this->savedWeirdGlobals['image_talk_alias'] = $wgNamespaceAliases['Image_talk'];
 162
 163                 $wgNamespaceAliases['Image'] = NS_FILE;
 164                 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 165
 166                 MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
 167                 $wgContLang->resetNamespaces(); # reset namespace cache
 168         }
 169
 170         protected function tearDown() {
 171                 global $wgNamespaceAliases, $wgContLang;
 172
 173                 $wgNamespaceAliases['Image'] = $this->savedWeirdGlobals['image_alias'];
 174                 $wgNamespaceAliases['Image_talk'] = $this->savedWeirdGlobals['image_talk_alias'];
 175
 176                 // Restore backends
 177                 RepoGroup::destroySingleton();
 178                 FileBackendGroup::destroySingleton();
 179
 180                 // Remove temporary pages from the link cache
 181                 LinkCache::singleton()->clear();
 182
 183                 // Restore message cache (temporary pages and $wgUseDatabaseMessages)
 184                 MessageCache::destroyInstance();
 185
 186                 parent::tearDown();
 187
 188                 MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
 189                 $wgContLang->resetNamespaces(); # reset namespace cache
 190         }
 191
 192         public static function tearDownAfterClass() {
 193                 ParserTest::tearDownInterwikis();
 194                 parent::tearDownAfterClass();
 195         }
 196
 197         function addDBData() {
 198                 $this->tablesUsed[] = 'site_stats';
 199                 # disabled for performance
 200                 #$this->tablesUsed[] = 'image';
 201
 202                 # Update certain things in site_stats
 203                 $this->db->insert( 'site_stats',
 204                         array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ),
 205                         __METHOD__
 206                 );
 207
 208                 $user = User::newFromId( 0 );
 209                 LinkCache::singleton()->clear(); # Avoids the odd failure at creating the nullRevision
 210
 211                 # Upload DB table entries for files.
 212                 # We will upload the actual files later. Note that if anything causes LocalFile::load()
 213                 # to be triggered before then, it will break via maybeUpgrade() setting the fileExists
 214                 # member to false and storing it in cache.
 215                 # note that the size/width/height/bits/etc of the file
 216                 # are actually set by inspecting the file itself; the arguments
 217                 # to recordUpload2 have no effect.  That said, we try to make things
 218                 # match up so it is less confusing to readers of the code & tests.
 219                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
 220                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 221                         $image->recordUpload2(
 222                                 '', // archive name
 223                                 'Upload of some lame file',
 224                                 'Some lame file',
 225                                 array(
 226                                         'size' => 7881,
 227                                         'width' => 1941,
 228                                         'height' => 220,
 229                                         'bits' => 8,
 230                                         'media_type' => MEDIATYPE_BITMAP,
 231                                         'mime' => 'image/jpeg',
 232                                         'metadata' => serialize( array() ),
 233                                         'sha1' => wfBaseConvert( '1', 16, 36, 31 ),
 234                                         'fileExists' => true ),
 235                                 $this->db->timestamp( '20010115123500' ), $user
 236                         );
 237                 }
 238
 239                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) );
 240                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 241                         $image->recordUpload2(
 242                                 '', // archive name
 243                                 'Upload of some lame thumbnail',
 244                                 'Some lame thumbnail',
 245                                 array(
 246                                         'size' => 22589,
 247                                         'width' => 135,
 248                                         'height' => 135,
 249                                         'bits' => 8,
 250                                         'media_type' => MEDIATYPE_BITMAP,
 251                                         'mime' => 'image/png',
 252                                         'metadata' => serialize( array() ),
 253                                         'sha1' => wfBaseConvert( '2', 16, 36, 31 ),
 254                                         'fileExists' => true ),
 255                                 $this->db->timestamp( '20130225203040' ), $user
 256                         );
 257                 }
 258
 259                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
 260                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
 261                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 262                         $image->recordUpload2(
 263                                 '', // archive name
 264                                 'zomgnotcensored',
 265                                 'Borderline image',
 266                                 array(
 267                                         'size' => 12345,
 268                                         'width' => 320,
 269                                         'height' => 240,
 270                                         'bits' => 24,
 271                                         'media_type' => MEDIATYPE_BITMAP,
 272                                         'mime' => 'image/jpeg',
 273                                         'metadata' => serialize( array() ),
 274                                         'sha1' => wfBaseConvert( '3', 16, 36, 31 ),
 275                                         'fileExists' => true ),
 276                                 $this->db->timestamp( '20010115123500' ), $user
 277                         );
 278                 }
 279                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.svg' ) );
 280                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 281                         $image->recordUpload2( '', 'Upload of some lame SVG', 'Some lame SVG', array(
 282                                         'size'        => 12345,
 283                                         'width'       => 240,
 284                                         'height'      => 180,
 285                                         'bits'        => 0,
 286                                         'media_type'  => MEDIATYPE_DRAWING,
 287                                         'mime'        => 'image/svg+xml',
 288                                         'metadata'    => serialize( array() ),
 289                                         'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
 290                                         'fileExists'  => true
 291                         ), $this->db->timestamp( '20010115123500' ), $user );
 292                 }
 293
 294                 # A DjVu file
 295                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'LoremIpsum.djvu' ) );
 296                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 297                         $image->recordUpload2( '', 'Upload a DjVu', 'A DjVu', array(
 298                                 'size' => 3249,
 299                                 'width' => 2480,
 300                                 'height' => 3508,
 301                                 'bits' => 0,
 302                                 'media_type' => MEDIATYPE_BITMAP,
 303                                 'mime' => 'image/vnd.djvu',
 304                                 'metadata' => '<?xml version="1.0" ?>
 305 <!DOCTYPE DjVuXML PUBLIC "-//W3C//DTD DjVuXML 1.1//EN" "pubtext/DjVuXML-s.dtd">
 306 <DjVuXML>
 307 <HEAD></HEAD>
 308 <BODY><OBJECT height="3508" width="2480">
 309 <PARAM name="DPI" value="300" />
 310 <PARAM name="GAMMA" value="2.2" />
 311 </OBJECT>
 312 <OBJECT height="3508" width="2480">
 313 <PARAM name="DPI" value="300" />
 314 <PARAM name="GAMMA" value="2.2" />
 315 </OBJECT>
 316 <OBJECT height="3508" width="2480">
 317 <PARAM name="DPI" value="300" />
 318 <PARAM name="GAMMA" value="2.2" />
 319 </OBJECT>
 320 <OBJECT height="3508" width="2480">
 321 <PARAM name="DPI" value="300" />
 322 <PARAM name="GAMMA" value="2.2" />
 323 </OBJECT>
 324 <OBJECT height="3508" width="2480">
 325 <PARAM name="DPI" value="300" />
 326 <PARAM name="GAMMA" value="2.2" />
 327 </OBJECT>
 328 </BODY>
 329 </DjVuXML>',
 330                                 'sha1' => wfBaseConvert( '', 16, 36, 31 ),
 331                                 'fileExists' => true
 332                         ), $this->db->timestamp( '20140115123600' ), $user );
 333                 }
 334         }
 335
 336         //ParserTest setup/teardown functions
 337
 338         /**
 339          * Set up the global variables for a consistent environment for each test.
 340          * Ideally this should replace the global configuration entirely.
 341          */
 342         protected function setupGlobals( $opts = array(), $config = '' ) {
 343                 global $wgFileBackends;
 344                 # Find out values for some special options.
 345                 $lang =
 346                         self::getOptionValue( 'language', $opts, 'en' );
 347                 $variant =
 348                         self::getOptionValue( 'variant', $opts, false );
 349                 $maxtoclevel =
 350                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 351                 $linkHolderBatchSize =
 352                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 353
 354                 $uploadDir = $this->getUploadDir();
 355                 if ( $this->getCliArg( 'use-filebackend=' ) ) {
 356                         if ( self::$backendToUse ) {
 357                                 $backend = self::$backendToUse;
 358                         } else {
 359                                 $name = $this->getCliArg( 'use-filebackend=' );
 360                                 $useConfig = array();
 361                                 foreach ( $wgFileBackends as $conf ) {
 362                                         if ( $conf['name'] == $name ) {
 363                                                 $useConfig = $conf;
 364                                         }
 365                                 }
 366                                 $useConfig['name'] = 'local-backend'; // swap name
 367                                 unset( $useConfig['lockManager'] );
 368                                 unset( $useConfig['fileJournal'] );
 369                                 $class = $useConfig['class'];
 370                                 self::$backendToUse = new $class( $useConfig );
 371                                 $backend = self::$backendToUse;
 372                         }
 373                 } else {
 374                         # Replace with a mock. We do not care about generating real
 375                         # files on the filesystem, just need to expose the file
 376                         # informations.
 377                         $backend = new MockFileBackend( array(
 378                                 'name' => 'local-backend',
 379                                 'wikiId' => wfWikiId()
 380                         ) );
 381                 }
 382
 383                 $settings = array(
 384                         'wgLocalFileRepo' => array(
 385                                 'class' => 'LocalRepo',
 386                                 'name' => 'local',
 387                                 'url' => 'http://example.com/images',
 388                                 'hashLevels' => 2,
 389                                 'transformVia404' => false,
 390                                 'backend' => $backend
 391                         ),
 392                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
 393                         'wgLanguageCode' => $lang,
 394                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'unittest_' : 'ut_',
 395                         'wgRawHtml' => self::getOptionValue( 'wgRawHtml', $opts, false ),
 396                         'wgNamespacesWithSubpages' => array( NS_MAIN => isset( $opts['subpage'] ) ),
 397                         'wgAllowExternalImages' => self::getOptionValue( 'wgAllowExternalImages', $opts, true ),
 398                         'wgThumbLimits' => array( self::getOptionValue( 'thumbsize', $opts, 180 ) ),
 399                         'wgMaxTocLevel' => $maxtoclevel,
 400                         'wgUseTeX' => isset( $opts['math'] ) || isset( $opts['texvc'] ),
 401                         'wgMathDirectory' => $uploadDir . '/math',
 402                         'wgDefaultLanguageVariant' => $variant,
 403                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 404                 );
 405
 406                 if ( $config ) {
 407                         $configLines = explode( "\n", $config );
 408
 409                         foreach ( $configLines as $line ) {
 410                                 list( $var, $value ) = explode( '=', $line, 2 );
 411
 412                                 $settings[$var] = eval( "return $value;" ); //???
 413                         }
 414                 }
 415
 416                 $this->savedGlobals = array();
 417
 418                 /** @since 1.20 */
 419                 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
 420
 421                 $langObj = Language::factory( $lang );
 422                 $settings['wgContLang'] = $langObj;
 423                 $settings['wgLang'] = $langObj;
 424
 425                 $context = new RequestContext();
 426                 $settings['wgOut'] = $context->getOutput();
 427                 $settings['wgUser'] = $context->getUser();
 428                 $settings['wgRequest'] = $context->getRequest();
 429
 430                 // We (re)set $wgThumbLimits to a single-element array above.
 431                 $context->getUser()->setOption( 'thumbsize', 0 );
 432
 433                 foreach ( $settings as $var => $val ) {
 434                         if ( array_key_exists( $var, $GLOBALS ) ) {
 435                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 436                         }
 437
 438                         $GLOBALS[$var] = $val;
 439                 }
 440
 441                 MagicWord::clearCache();
 442
 443                 # The entries saved into RepoGroup cache with previous globals will be wrong.
 444                 RepoGroup::destroySingleton();
 445                 FileBackendGroup::destroySingleton();
 446
 447                 # Create dummy files in storage
 448                 $this->setupUploads();
 449
 450                 # Publish the articles after we have the final language set
 451                 $this->publishTestArticles();
 452
 453                 MessageCache::destroyInstance();
 454
 455                 return $context;
 456         }
 457
 458         /**
 459          * Get an FS upload directory (only applies to FSFileBackend)
 460          *
 461          * @return string The directory
 462          */
 463         protected function getUploadDir() {
 464                 if ( $this->keepUploads ) {
 465                         $dir = wfTempDir() . '/mwParser-images';
 466
 467                         if ( is_dir( $dir ) ) {
 468                                 return $dir;
 469                         }
 470                 } else {
 471                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
 472                 }
 473
 474                 // wfDebug( "Creating upload directory $dir\n" );
 475                 if ( file_exists( $dir ) ) {
 476                         wfDebug( "Already exists!\n" );
 477
 478                         return $dir;
 479                 }
 480
 481                 return $dir;
 482         }
 483
 484         /**
 485          * Create a dummy uploads directory which will contain a couple
 486          * of files in order to pass existence tests.
 487          *
 488          * @return string The directory
 489          */
 490         protected function setupUploads() {
 491                 global $IP;
 492
 493                 $base = $this->getBaseDir();
 494                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 495                 $backend->prepare( array( 'dir' => "$base/local-public/3/3a" ) );
 496                 $backend->store( array(
 497                         'src' => "$IP/tests/phpunit/data/parser/headbg.jpg", 'dst' => "$base/local-public/3/3a/Foobar.jpg"
 498                 ) );
 499                 $backend->prepare( array( 'dir' => "$base/local-public/e/ea" ) );
 500                 $backend->store( array(
 501                         'src' => "$IP/tests/phpunit/data/parser/wiki.png", 'dst' => "$base/local-public/e/ea/Thumb.png"
 502                 ) );
 503                 $backend->prepare( array( 'dir' => "$base/local-public/0/09" ) );
 504                 $backend->store( array(
 505                         'src' => "$IP/tests/phpunit/data/parser/headbg.jpg", 'dst' => "$base/local-public/0/09/Bad.jpg"
 506                 ) );
 507                 $backend->prepare( array( 'dir' => "$base/local-public/5/5f" ) );
 508                 $backend->store( array(
 509                         'src' => "$IP/tests/phpunit/data/parser/LoremIpsum.djvu", 'dst' => "$base/local-public/5/5f/LoremIpsum.djvu"
 510                 ) );
 511
 512                 // No helpful SVG file to copy, so make one ourselves
 513                 $data = '<?xml version="1.0" encoding="utf-8"?>' .
 514                         '<svg xmlns="http://www.w3.org/2000/svg"' .
 515                         ' version="1.1" width="240" height="180"/>';
 516
 517                 $backend->prepare( array( 'dir' => "$base/local-public/f/ff" ) );
 518                 $backend->quickCreate( array(
 519                         'content' => $data, 'dst' => "$base/local-public/f/ff/Foobar.svg"
 520                 ) );
 521         }
 522
 523         /**
 524          * Restore default values and perform any necessary clean-up
 525          * after each test runs.
 526          */
 527         protected function teardownGlobals() {
 528                 $this->teardownUploads();
 529
 530                 foreach ( $this->savedGlobals as $var => $val ) {
 531                         $GLOBALS[$var] = $val;
 532                 }
 533         }
 534
 535         /**
 536          * Remove the dummy uploads directory
 537          */
 538         private function teardownUploads() {
 539                 if ( $this->keepUploads ) {
 540                         return;
 541                 }
 542
 543                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 544                 if ( $backend instanceof MockFileBackend ) {
 545                         # In memory backend, so dont bother cleaning them up.
 546                         return;
 547                 }
 548
 549                 $base = $this->getBaseDir();
 550                 // delete the files first, then the dirs.
 551                 self::deleteFiles(
 552                         array(
 553                                 "$base/local-public/3/3a/Foobar.jpg",
 554                                 "$base/local-thumb/3/3a/Foobar.jpg/1000px-Foobar.jpg",
 555                                 "$base/local-thumb/3/3a/Foobar.jpg/100px-Foobar.jpg",
 556                                 "$base/local-thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
 557                                 "$base/local-thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
 558                                 "$base/local-thumb/3/3a/Foobar.jpg/137px-Foobar.jpg",
 559                                 "$base/local-thumb/3/3a/Foobar.jpg/1500px-Foobar.jpg",
 560                                 "$base/local-thumb/3/3a/Foobar.jpg/177px-Foobar.jpg",
 561                                 "$base/local-thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
 562                                 "$base/local-thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
 563                                 "$base/local-thumb/3/3a/Foobar.jpg/206px-Foobar.jpg",
 564                                 "$base/local-thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
 565                                 "$base/local-thumb/3/3a/Foobar.jpg/220px-Foobar.jpg",
 566                                 "$base/local-thumb/3/3a/Foobar.jpg/265px-Foobar.jpg",
 567                                 "$base/local-thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
 568                                 "$base/local-thumb/3/3a/Foobar.jpg/274px-Foobar.jpg",
 569                                 "$base/local-thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
 570                                 "$base/local-thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
 571                                 "$base/local-thumb/3/3a/Foobar.jpg/330px-Foobar.jpg",
 572                                 "$base/local-thumb/3/3a/Foobar.jpg/353px-Foobar.jpg",
 573                                 "$base/local-thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
 574                                 "$base/local-thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
 575                                 "$base/local-thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
 576                                 "$base/local-thumb/3/3a/Foobar.jpg/440px-Foobar.jpg",
 577                                 "$base/local-thumb/3/3a/Foobar.jpg/442px-Foobar.jpg",
 578                                 "$base/local-thumb/3/3a/Foobar.jpg/450px-Foobar.jpg",
 579                                 "$base/local-thumb/3/3a/Foobar.jpg/50px-Foobar.jpg",
 580                                 "$base/local-thumb/3/3a/Foobar.jpg/600px-Foobar.jpg",
 581                                 "$base/local-thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
 582                                 "$base/local-thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
 583                                 "$base/local-thumb/3/3a/Foobar.jpg/75px-Foobar.jpg",
 584                                 "$base/local-thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
 585
 586                                 "$base/local-public/e/ea/Thumb.png",
 587
 588                                 "$base/local-public/0/09/Bad.jpg",
 589
 590                                 "$base/local-public/5/5f/LoremIpsum.djvu",
 591                                 "$base/local-thumb/5/5f/LoremIpsum.djvu/page2-2480px-LoremIpsum.djvu.jpg",
 592                                 "$base/local-thumb/5/5f/LoremIpsum.djvu/page2-3720px-LoremIpsum.djvu.jpg",
 593                                 "$base/local-thumb/5/5f/LoremIpsum.djvu/page2-4960px-LoremIpsum.djvu.jpg",
 594
 595                                 "$base/local-public/f/ff/Foobar.svg",
 596                                 "$base/local-thumb/f/ff/Foobar.svg/180px-Foobar.svg.png",
 597                                 "$base/local-thumb/f/ff/Foobar.svg/2000px-Foobar.svg.png",
 598                                 "$base/local-thumb/f/ff/Foobar.svg/270px-Foobar.svg.png",
 599                                 "$base/local-thumb/f/ff/Foobar.svg/3000px-Foobar.svg.png",
 600                                 "$base/local-thumb/f/ff/Foobar.svg/360px-Foobar.svg.png",
 601                                 "$base/local-thumb/f/ff/Foobar.svg/4000px-Foobar.svg.png",
 602                                 "$base/local-thumb/f/ff/Foobar.svg/langde-180px-Foobar.svg.png",
 603                                 "$base/local-thumb/f/ff/Foobar.svg/langde-270px-Foobar.svg.png",
 604                                 "$base/local-thumb/f/ff/Foobar.svg/langde-360px-Foobar.svg.png",
 605
 606                                 "$base/local-public/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
 607                         )
 608                 );
 609         }
 610
 611         /**
 612          * Delete the specified files, if they exist.
 613          * @param array $files Full paths to files to delete.
 614          */
 615         private static function deleteFiles( $files ) {
 616                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 617                 foreach ( $files as $file ) {
 618                         $backend->delete( array( 'src' => $file ), array( 'force' => 1 ) );
 619                 }
 620                 foreach ( $files as $file ) {
 621                         $tmp = $file;
 622                         while ( $tmp = FileBackend::parentStoragePath( $tmp ) ) {
 623                                 if ( !$backend->clean( array( 'dir' => $tmp ) )->isOK() ) {
 624                                         break;
 625                                 }
 626                         }
 627                 }
 628         }
 629
 630         protected function getBaseDir() {
 631                 return 'mwstore://local-backend';
 632         }
 633
 634         public function parserTestProvider() {
 635                 if ( $this->file === false ) {
 636                         global $wgParserTestFiles;
 637                         $this->file = $wgParserTestFiles[0];
 638                 }
 639
 640                 return new TestFileIterator( $this->file, $this );
 641         }
 642
 643         /**
 644          * Set the file from whose tests will be run by this instance
 645          * @param string $filename
 646          */
 647         public function setParserTestFile( $filename ) {
 648                 $this->file = $filename;
 649         }
 650
 651         /**
 652          * @group medium
 653          * @dataProvider parserTestProvider
 654          * @param string $desc
 655          * @param string $input
 656          * @param string $result
 657          * @param array $opts
 658          * @param array $config
 659          */
 660         public function testParserTest( $desc, $input, $result, $opts, $config ) {
 661                 if ( $this->regex != '' && !preg_match( '/' . $this->regex . '/', $desc ) ) {
 662                         $this->assertTrue( true ); // XXX: don't flood output with "test made no assertions"
 663                         //$this->markTestSkipped( 'Filtered out by the user' );
 664                         return;
 665                 }
 666
 667                 if ( !$this->isWikitextNS( NS_MAIN ) ) {
 668                         // parser tests frequently assume that the main namespace contains wikitext.
 669                         // @todo When setting up pages, force the content model. Only skip if
 670                         //        $wgtContentModelUseDB is false.
 671                         $this->markTestSkipped( "Main namespace does not support wikitext,"
 672                                 . "skipping parser test: $desc" );
 673                 }
 674
 675                 wfDebug( "Running parser test: $desc\n" );
 676
 677                 $opts = $this->parseOptions( $opts );
 678                 $context = $this->setupGlobals( $opts, $config );
 679
 680                 $user = $context->getUser();
 681                 $options = ParserOptions::newFromContext( $context );
 682
 683                 if ( isset( $opts['title'] ) ) {
 684                         $titleText = $opts['title'];
 685                 } else {
 686                         $titleText = 'Parser test';
 687                 }
 688
 689                 $local = isset( $opts['local'] );
 690                 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
 691                 $parser = $this->getParser( $preprocessor );
 692
 693                 $title = Title::newFromText( $titleText );
 694
 695                 # Parser test requiring math. Make sure texvc is executable
 696                 # or just skip such tests.
 697                 if ( isset( $opts['math'] ) || isset( $opts['texvc'] ) ) {
 698                         global $wgTexvc;
 699
 700                         if ( !isset( $wgTexvc ) ) {
 701                                 $this->markTestSkipped( "SKIPPED: \$wgTexvc is not set" );
 702                         } elseif ( !is_executable( $wgTexvc ) ) {
 703                                 $this->markTestSkipped( "SKIPPED: texvc binary does not exist"
 704                                         . " or is not executable.\n"
 705                                         . "Current configuration is:\n\$wgTexvc = '$wgTexvc'" );
 706                         }
 707                 }
 708                 if ( isset( $opts['djvu'] ) ) {
 709                         if ( !$this->djVuSupport->isEnabled() ) {
 710                                 $this->markTestSkipped( "SKIPPED: djvu binaries do not exist or are not executable.\n" );
 711                         }
 712                 }
 713
 714                 if ( isset( $opts['pst'] ) ) {
 715                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
 716                 } elseif ( isset( $opts['msg'] ) ) {
 717                         $out = $parser->transformMsg( $input, $options, $title );
 718                 } elseif ( isset( $opts['section'] ) ) {
 719                         $section = $opts['section'];
 720                         $out = $parser->getSection( $input, $section );
 721                 } elseif ( isset( $opts['replace'] ) ) {
 722                         $section = $opts['replace'][0];
 723                         $replace = $opts['replace'][1];
 724                         $out = $parser->replaceSection( $input, $section, $replace );
 725                 } elseif ( isset( $opts['comment'] ) ) {
 726                         $out = Linker::formatComment( $input, $title, $local );
 727                 } elseif ( isset( $opts['preload'] ) ) {
 728                         $out = $parser->getPreloadText( $input, $title, $options );
 729                 } else {
 730                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
 731                         $output->setTOCEnabled( !isset( $opts['notoc'] ) );
 732                         $out = $output->getText();
 733
 734                         if ( isset( $opts['showtitle'] ) ) {
 735                                 if ( $output->getTitleText() ) {
 736                                         $title = $output->getTitleText();
 737                                 }
 738
 739                                 $out = "$title\n$out";
 740                         }
 741
 742                         if ( isset( $opts['ill'] ) ) {
 743                                 $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
 744                         } elseif ( isset( $opts['cat'] ) ) {
 745                                 $outputPage = $context->getOutput();
 746                                 $outputPage->addCategoryLinks( $output->getCategories() );
 747                                 $cats = $outputPage->getCategoryLinks();
 748
 749                                 if ( isset( $cats['normal'] ) ) {
 750                                         $out = $this->tidy( implode( ' ', $cats['normal'] ) );
 751                                 } else {
 752                                         $out = '';
 753                                 }
 754                         }
 755                         $parser->mPreprocessor = null;
 756
 757                         $result = $this->tidy( $result );
 758                 }
 759
 760                 $this->teardownGlobals();
 761
 762                 $this->assertEquals( $result, $out, $desc );
 763         }
 764
 765         /**
 766          * Run a fuzz test series
 767          * Draw input from a set of test files
 768          *
 769          * @todo fixme Needs some work to not eat memory until the world explodes
 770          *
 771          * @group ParserFuzz
 772          */
 773         public function testFuzzTests() {
 774                 global $wgParserTestFiles;
 775
 776                 $files = $wgParserTestFiles;
 777
 778                 if ( $this->getCliArg( 'file=' ) ) {
 779                         $files = array( $this->getCliArg( 'file=' ) );
 780                 }
 781
 782                 $dict = $this->getFuzzInput( $files );
 783                 $dictSize = strlen( $dict );
 784                 $logMaxLength = log( $this->maxFuzzTestLength );
 785
 786                 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
 787
 788                 $user = new User;
 789                 $opts = ParserOptions::newFromUser( $user );
 790                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
 791
 792                 $id = 1;
 793
 794                 while ( true ) {
 795
 796                         // Generate test input
 797                         mt_srand( ++$this->fuzzSeed );
 798                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
 799                         $input = '';
 800
 801                         while ( strlen( $input ) < $totalLength ) {
 802                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
 803                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
 804                                 $offset = mt_rand( 0, $dictSize - $hairLength );
 805                                 $input .= substr( $dict, $offset, $hairLength );
 806                         }
 807
 808                         $this->setupGlobals();
 809                         $parser = $this->getParser();
 810
 811                         // Run the test
 812                         try {
 813                                 $parser->parse( $input, $title, $opts );
 814                                 $this->assertTrue( true, "Test $id, fuzz seed {$this->fuzzSeed}" );
 815                         } catch ( Exception $exception ) {
 816                                 $input_dump = sprintf( "string(%d) \"%s\"\n", strlen( $input ), $input );
 817
 818                                 $this->assertTrue( false, "Test $id, fuzz seed {$this->fuzzSeed}. \n\n" .
 819                                         "Input: $input_dump\n\nError: {$exception->getMessage()}\n\n" .
 820                                         "Backtrace: {$exception->getTraceAsString()}" );
 821                         }
 822
 823                         $this->teardownGlobals();
 824                         $parser->__destruct();
 825
 826                         if ( $id % 100 == 0 ) {
 827                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
 828                                 //echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
 829                                 if ( $usage > 90 ) {
 830                                         $ret = "Out of memory:\n";
 831                                         $memStats = $this->getMemoryBreakdown();
 832
 833                                         foreach ( $memStats as $name => $usage ) {
 834                                                 $ret .= "$name: $usage\n";
 835                                         }
 836
 837                                         throw new MWException( $ret );
 838                                 }
 839                         }
 840
 841                         $id++;
 842                 }
 843         }
 844
 845         //Various getter functions
 846
 847         /**
 848          * Get an input dictionary from a set of parser test files
 849          * @param array $filenames
 850          */
 851         function getFuzzInput( $filenames ) {
 852                 $dict = '';
 853
 854                 foreach ( $filenames as $filename ) {
 855                         $contents = file_get_contents( $filename );
 856                         preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
 857
 858                         foreach ( $matches[1] as $match ) {
 859                                 $dict .= $match . "\n";
 860                         }
 861                 }
 862
 863                 return $dict;
 864         }
 865
 866         /**
 867          * Get a memory usage breakdown
 868          */
 869         function getMemoryBreakdown() {
 870                 $memStats = array();
 871
 872                 foreach ( $GLOBALS as $name => $value ) {
 873                         $memStats['$' . $name] = strlen( serialize( $value ) );
 874                 }
 875
 876                 $classes = get_declared_classes();
 877
 878                 foreach ( $classes as $class ) {
 879                         $rc = new ReflectionClass( $class );
 880                         $props = $rc->getStaticProperties();
 881                         $memStats[$class] = strlen( serialize( $props ) );
 882                         $methods = $rc->getMethods();
 883
 884                         foreach ( $methods as $method ) {
 885                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 886                         }
 887                 }
 888
 889                 $functions = get_defined_functions();
 890
 891                 foreach ( $functions['user'] as $function ) {
 892                         $rf = new ReflectionFunction( $function );
 893                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 894                 }
 895
 896                 asort( $memStats );
 897
 898                 return $memStats;
 899         }
 900
 901         /**
 902          * Get a Parser object
 903          * @param Preprocessor $preprocessor
 904          */
 905         function getParser( $preprocessor = null ) {
 906                 global $wgParserConf;
 907
 908                 $class = $wgParserConf['class'];
 909                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
 910
 911                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
 912
 913                 return $parser;
 914         }
 915
 916         //Various action functions
 917
 918         public function addArticle( $name, $text, $line ) {
 919                 self::$articles[$name] = array( $text, $line );
 920         }
 921
 922         public function publishTestArticles() {
 923                 if ( empty( self::$articles ) ) {
 924                         return;
 925                 }
 926
 927                 foreach ( self::$articles as $name => $info ) {
 928                         list( $text, $line ) = $info;
 929                         ParserTest::addArticle( $name, $text, $line, 'ignoreduplicate' );
 930                 }
 931         }
 932
 933         /**
 934          * Steal a callback function from the primary parser, save it for
 935          * application to our scary parser. If the hook is not installed,
 936          * abort processing of this file.
 937          *
 938          * @param string $name
 939          * @return bool True if tag hook is present
 940          */
 941         public function requireHook( $name ) {
 942                 global $wgParser;
 943                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 944                 return isset( $wgParser->mTagHooks[$name] );
 945         }
 946
 947         public function requireFunctionHook( $name ) {
 948                 global $wgParser;
 949                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 950                 return isset( $wgParser->mFunctionHooks[$name] );
 951         }
 952
 953         public function requireTransparentHook( $name ) {
 954                 global $wgParser;
 955                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 956                 return isset( $wgParser->mTransparentTagHooks[$name] );
 957         }
 958
 959         //Various "cleanup" functions
 960
 961         /**
 962          * Run the "tidy" command on text if the $wgUseTidy
 963          * global is true
 964          *
 965          * @param string $text The text to tidy
 966          * @return string
 967          */
 968         protected function tidy( $text ) {
 969                 global $wgUseTidy;
 970
 971                 if ( $wgUseTidy ) {
 972                         $text = MWTidy::tidy( $text );
 973                 }
 974
 975                 return $text;
 976         }
 977
 978         /**
 979          * Remove last character if it is a newline
 980          * @param string $s
 981          */
 982         public function removeEndingNewline( $s ) {
 983                 if ( substr( $s, -1 ) === "\n" ) {
 984                         return substr( $s, 0, -1 );
 985                 } else {
 986                         return $s;
 987                 }
 988         }
 989
 990         //Test options parser functions
 991
 992         protected function parseOptions( $instring ) {
 993                 $opts = array();
 994                 // foo
 995                 // foo=bar
 996                 // foo="bar baz"
 997                 // foo=[[bar baz]]
 998                 // foo=bar,"baz quux"
 999                 $regex = '/\b
1000                         ([\w-]+)                                                # Key
1001                         \b
1002                         (?:\s*
1003                                 =                                               # First sub-value
1004                                 \s*
1005                                 (
1006                                         "
1007                                                 [^"]*                   # Quoted val
1008                                         "
1009                                 |
1010                                         \[\[
1011                                                 [^]]*                   # Link target
1012                                         \]\]
1013                                 |
1014                                         [\w-]+                          # Plain word
1015                                 )
1016                                 (?:\s*
1017                                         ,                                       # Sub-vals 1..N
1018                                         \s*
1019                                         (
1020                                                 "[^"]*"                 # Quoted val
1021                                         |
1022                                                 \[\[[^]]*\]\]   # Link target
1023                                         |
1024                                                 [\w-]+                  # Plain word
1025                                         )
1026                                 )*
1027                         )?
1028                         /x';
1029
1030                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
1031                         foreach ( $matches as $bits ) {
1032                                 array_shift( $bits );
1033                                 $key = strtolower( array_shift( $bits ) );
1034                                 if ( count( $bits ) == 0 ) {
1035                                         $opts[$key] = true;
1036                                 } elseif ( count( $bits ) == 1 ) {
1037                                         $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
1038                                 } else {
1039                                         // Array!
1040                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
1041                                 }
1042                         }
1043                 }
1044
1045                 return $opts;
1046         }
1047
1048         protected function cleanupOption( $opt ) {
1049                 if ( substr( $opt, 0, 1 ) == '"' ) {
1050                         return substr( $opt, 1, -1 );
1051                 }
1052
1053                 if ( substr( $opt, 0, 2 ) == '[[' ) {
1054                         return substr( $opt, 2, -2 );
1055                 }
1056
1057                 return $opt;
1058         }
1059
1060         /**
1061          * Use a regex to find out the value of an option
1062          * @param string $key Name of option val to retrieve
1063          * @param array $opts Options array to look in
1064          * @param mixed $default Default value returned if not found
1065          */
1066         protected static function getOptionValue( $key, $opts, $default ) {
1067                 $key = strtolower( $key );
1068
1069                 if ( isset( $opts[$key] ) ) {
1070                         return $opts[$key];
1071                 } else {
1072                         return $default;
1073                 }
1074         }
1075 }