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