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          * @var TidySupport
  41          */
  42         private $tidySupport;
  43
  44         protected $file = false;
  45
  46         public static function setUpBeforeClass() {
  47                 // Inject ParserTest well-known interwikis
  48                 ParserTest::setupInterwikis();
  49         }
  50
  51         protected function setUp() {
  52                 global $wgNamespaceAliases, $wgContLang;
  53                 global $wgHooks, $IP;
  54
  55                 parent::setUp();
  56
  57                 //Setup CLI arguments
  58                 if ( $this->getCliArg( 'regex' ) ) {
  59                         $this->regex = $this->getCliArg( 'regex' );
  60                 } else {
  61                         # Matches anything
  62                         $this->regex = '';
  63                 }
  64
  65                 $this->keepUploads = $this->getCliArg( 'keep-uploads' );
  66
  67                 $tmpGlobals = array();
  68
  69                 $tmpGlobals['wgLanguageCode'] = 'en';
  70                 $tmpGlobals['wgContLang'] = Language::factory( 'en' );
  71                 $tmpGlobals['wgSitename'] = 'MediaWiki';
  72                 $tmpGlobals['wgServer'] = 'http://example.org';
  73                 $tmpGlobals['wgServerName'] = 'example.org';
  74                 $tmpGlobals['wgScript'] = '/index.php';
  75                 $tmpGlobals['wgScriptPath'] = '/';
  76                 $tmpGlobals['wgArticlePath'] = '/wiki/$1';
  77                 $tmpGlobals['wgActionPaths'] = array();
  78                 $tmpGlobals['wgVariantArticlePath'] = false;
  79                 $tmpGlobals['wgExtensionAssetsPath'] = '/extensions';
  80                 $tmpGlobals['wgStylePath'] = '/skins';
  81                 $tmpGlobals['wgEnableUploads'] = true;
  82                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  83                 $tmpGlobals['wgLocalFileRepo'] = array(
  84                         'class' => 'LocalRepo',
  85                         'name' => 'local',
  86                         'url' => 'http://example.com/images',
  87                         'hashLevels' => 2,
  88                         'transformVia404' => false,
  89                         'backend' => 'local-backend'
  90                 );
  91                 $tmpGlobals['wgForeignFileRepos'] = array();
  92                 $tmpGlobals['wgDefaultExternalStore'] = array();
  93                 $tmpGlobals['wgEnableParserCache'] = false;
  94                 $tmpGlobals['wgCapitalLinks'] = true;
  95                 $tmpGlobals['wgNoFollowLinks'] = true;
  96                 $tmpGlobals['wgNoFollowDomainExceptions'] = array();
  97                 $tmpGlobals['wgExternalLinkTarget'] = false;
  98                 $tmpGlobals['wgThumbnailScriptPath'] = false;
  99                 $tmpGlobals['wgUseImageResize'] = true;
 100                 $tmpGlobals['wgAllowExternalImages'] = true;
 101                 $tmpGlobals['wgRawHtml'] = false;
 102                 $tmpGlobals['wgWellFormedXml'] = true;
 103                 $tmpGlobals['wgAllowMicrodataAttributes'] = true;
 104                 $tmpGlobals['wgExperimentalHtmlIds'] = false;
 105                 $tmpGlobals['wgAdaptiveMessageCache'] = true;
 106                 $tmpGlobals['wgUseDatabaseMessages'] = true;
 107                 $tmpGlobals['wgLocaltimezone'] = 'UTC';
 108                 $tmpGlobals['wgDeferredUpdateList'] = array();
 109                 $tmpGlobals['wgGroupPermissions'] = array(
 110                         '*' => array(
 111                                 'createaccount' => true,
 112                                 'read' => true,
 113                                 'edit' => true,
 114                                 'createpage' => true,
 115                                 'createtalk' => true,
 116                 ) );
 117                 $tmpGlobals['wgNamespaceProtection'] = array( NS_MEDIAWIKI => 'editinterface' );
 118
 119                 $tmpGlobals['wgParser'] = new StubObject(
 120                         'wgParser', $GLOBALS['wgParserConf']['class'],
 121                         array( $GLOBALS['wgParserConf'] ) );
 122
 123                 $tmpGlobals['wgFileExtensions'][] = 'svg';
 124                 $tmpGlobals['wgSVGConverter'] = 'rsvg';
 125                 $tmpGlobals['wgSVGConverters']['rsvg'] =
 126                         '$path/rsvg-convert -w $width -h $height $input -o $output';
 127
 128                 if ( $GLOBALS['wgStyleDirectory'] === false ) {
 129                         $tmpGlobals['wgStyleDirectory'] = "$IP/skins";
 130                 }
 131
 132                 # Replace all media handlers with a mock. We do not need to generate
 133                 # actual thumbnails to do parser testing, we only care about receiving
 134                 # a ThumbnailImage properly initialized.
 135                 global $wgMediaHandlers;
 136                 foreach ( $wgMediaHandlers as $type => $handler ) {
 137                         $tmpGlobals['wgMediaHandlers'][$type] = 'MockBitmapHandler';
 138                 }
 139                 // Vector images have to be handled slightly differently
 140                 $tmpGlobals['wgMediaHandlers']['image/svg+xml'] = 'MockSvgHandler';
 141
 142                 // DjVu images have to be handled slightly differently
 143                 $tmpGlobals['wgMediaHandlers']['image/vnd.djvu'] = 'MockDjVuHandler';
 144
 145                 $tmpHooks = $wgHooks;
 146                 $tmpHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
 147                 $tmpHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
 148                 $tmpGlobals['wgHooks'] = $tmpHooks;
 149                 # add a namespace shadowing a interwiki link, to test
 150                 # proper precedence when resolving links. (bug 51680)
 151                 $tmpGlobals['wgExtraNamespaces'] = array( 100 => 'MemoryAlpha' );
 152
 153                 $tmpGlobals['wgLocalInterwikis'] = array( 'local', 'mi' );
 154                 # "extra language links"
 155                 # see https://gerrit.wikimedia.org/r/111390
 156                 $tmpGlobals['wgExtraInterlanguageLinkPrefixes'] = array( 'mul' );
 157
 158                 // DjVu support
 159                 $this->djVuSupport = new DjVuSupport();
 160                 // Tidy support
 161                 $this->tidySupport = new TidySupport();
 162                 // We always set 'wgUseTidy' to false when parsing, but certain
 163                 // test-running modes still use tidy if available, so ensure
 164                 // that the tidy-related options are all set to their defaults.
 165                 $tmpGlobals['wgUseTidy'] = false;
 166                 $tmpGlobals['wgAlwaysUseTidy'] = false;
 167                 $tmpGlobals['wgDebugTidy'] = false;
 168                 $tmpGlobals['wgTidyConf'] = $IP . '/includes/tidy.conf';
 169                 $tmpGlobals['wgTidyOpts'] = '';
 170                 $tmpGlobals['wgTidyInternal'] = $this->tidySupport->isInternal();
 171
 172                 $this->setMwGlobals( $tmpGlobals );
 173
 174                 $this->savedWeirdGlobals['image_alias'] = $wgNamespaceAliases['Image'];
 175                 $this->savedWeirdGlobals['image_talk_alias'] = $wgNamespaceAliases['Image_talk'];
 176
 177                 $wgNamespaceAliases['Image'] = NS_FILE;
 178                 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 179
 180                 MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
 181                 $wgContLang->resetNamespaces(); # reset namespace cache
 182         }
 183
 184         protected function tearDown() {
 185                 global $wgNamespaceAliases, $wgContLang;
 186
 187                 $wgNamespaceAliases['Image'] = $this->savedWeirdGlobals['image_alias'];
 188                 $wgNamespaceAliases['Image_talk'] = $this->savedWeirdGlobals['image_talk_alias'];
 189
 190                 // Restore backends
 191                 RepoGroup::destroySingleton();
 192                 FileBackendGroup::destroySingleton();
 193
 194                 // Remove temporary pages from the link cache
 195                 LinkCache::singleton()->clear();
 196
 197                 // Restore message cache (temporary pages and $wgUseDatabaseMessages)
 198                 MessageCache::destroyInstance();
 199
 200                 parent::tearDown();
 201
 202                 MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
 203                 $wgContLang->resetNamespaces(); # reset namespace cache
 204         }
 205
 206         public static function tearDownAfterClass() {
 207                 ParserTest::tearDownInterwikis();
 208                 parent::tearDownAfterClass();
 209         }
 210
 211         function addDBData() {
 212                 $this->tablesUsed[] = 'site_stats';
 213                 # disabled for performance
 214                 #$this->tablesUsed[] = 'image';
 215
 216                 # Update certain things in site_stats
 217                 $this->db->insert( 'site_stats',
 218                         array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ),
 219                         __METHOD__
 220                 );
 221
 222                 $user = User::newFromId( 0 );
 223                 LinkCache::singleton()->clear(); # Avoids the odd failure at creating the nullRevision
 224
 225                 # Upload DB table entries for files.
 226                 # We will upload the actual files later. Note that if anything causes LocalFile::load()
 227                 # to be triggered before then, it will break via maybeUpgrade() setting the fileExists
 228                 # member to false and storing it in cache.
 229                 # note that the size/width/height/bits/etc of the file
 230                 # are actually set by inspecting the file itself; the arguments
 231                 # to recordUpload2 have no effect.  That said, we try to make things
 232                 # match up so it is less confusing to readers of the code & tests.
 233                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
 234                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 235                         $image->recordUpload2(
 236                                 '', // archive name
 237                                 'Upload of some lame file',
 238                                 'Some lame file',
 239                                 array(
 240                                         'size' => 7881,
 241                                         'width' => 1941,
 242                                         'height' => 220,
 243                                         'bits' => 8,
 244                                         'media_type' => MEDIATYPE_BITMAP,
 245                                         'mime' => 'image/jpeg',
 246                                         'metadata' => serialize( array() ),
 247                                         'sha1' => wfBaseConvert( '1', 16, 36, 31 ),
 248                                         'fileExists' => true ),
 249                                 $this->db->timestamp( '20010115123500' ), $user
 250                         );
 251                 }
 252
 253                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) );
 254                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 255                         $image->recordUpload2(
 256                                 '', // archive name
 257                                 'Upload of some lame thumbnail',
 258                                 'Some lame thumbnail',
 259                                 array(
 260                                         'size' => 22589,
 261                                         'width' => 135,
 262                                         'height' => 135,
 263                                         'bits' => 8,
 264                                         'media_type' => MEDIATYPE_BITMAP,
 265                                         'mime' => 'image/png',
 266                                         'metadata' => serialize( array() ),
 267                                         'sha1' => wfBaseConvert( '2', 16, 36, 31 ),
 268                                         'fileExists' => true ),
 269                                 $this->db->timestamp( '20130225203040' ), $user
 270                         );
 271                 }
 272
 273                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
 274                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
 275                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 276                         $image->recordUpload2(
 277                                 '', // archive name
 278                                 'zomgnotcensored',
 279                                 'Borderline image',
 280                                 array(
 281                                         'size' => 12345,
 282                                         'width' => 320,
 283                                         'height' => 240,
 284                                         'bits' => 24,
 285                                         'media_type' => MEDIATYPE_BITMAP,
 286                                         'mime' => 'image/jpeg',
 287                                         'metadata' => serialize( array() ),
 288                                         'sha1' => wfBaseConvert( '3', 16, 36, 31 ),
 289                                         'fileExists' => true ),
 290                                 $this->db->timestamp( '20010115123500' ), $user
 291                         );
 292                 }
 293                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.svg' ) );
 294                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 295                         $image->recordUpload2( '', 'Upload of some lame SVG', 'Some lame SVG', array(
 296                                         'size'        => 12345,
 297                                         'width'       => 240,
 298                                         'height'      => 180,
 299                                         'bits'        => 0,
 300                                         'media_type'  => MEDIATYPE_DRAWING,
 301                                         'mime'        => 'image/svg+xml',
 302                                         'metadata'    => serialize( array() ),
 303                                         'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
 304                                         'fileExists'  => true
 305                         ), $this->db->timestamp( '20010115123500' ), $user );
 306                 }
 307
 308                 # A DjVu file
 309                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'LoremIpsum.djvu' ) );
 310                 if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) {
 311                         $image->recordUpload2( '', 'Upload a DjVu', 'A DjVu', array(
 312                                 'size' => 3249,
 313                                 'width' => 2480,
 314                                 'height' => 3508,
 315                                 'bits' => 0,
 316                                 'media_type' => MEDIATYPE_BITMAP,
 317                                 'mime' => 'image/vnd.djvu',
 318                                 'metadata' => '<?xml version="1.0" ?>
 319 <!DOCTYPE DjVuXML PUBLIC "-//W3C//DTD DjVuXML 1.1//EN" "pubtext/DjVuXML-s.dtd">
 320 <DjVuXML>
 321 <HEAD></HEAD>
 322 <BODY><OBJECT height="3508" width="2480">
 323 <PARAM name="DPI" value="300" />
 324 <PARAM name="GAMMA" value="2.2" />
 325 </OBJECT>
 326 <OBJECT height="3508" width="2480">
 327 <PARAM name="DPI" value="300" />
 328 <PARAM name="GAMMA" value="2.2" />
 329 </OBJECT>
 330 <OBJECT height="3508" width="2480">
 331 <PARAM name="DPI" value="300" />
 332 <PARAM name="GAMMA" value="2.2" />
 333 </OBJECT>
 334 <OBJECT height="3508" width="2480">
 335 <PARAM name="DPI" value="300" />
 336 <PARAM name="GAMMA" value="2.2" />
 337 </OBJECT>
 338 <OBJECT height="3508" width="2480">
 339 <PARAM name="DPI" value="300" />
 340 <PARAM name="GAMMA" value="2.2" />
 341 </OBJECT>
 342 </BODY>
 343 </DjVuXML>',
 344                                 'sha1' => wfBaseConvert( '', 16, 36, 31 ),
 345                                 'fileExists' => true
 346                         ), $this->db->timestamp( '20140115123600' ), $user );
 347                 }
 348         }
 349
 350         //ParserTest setup/teardown functions
 351
 352         /**
 353          * Set up the global variables for a consistent environment for each test.
 354          * Ideally this should replace the global configuration entirely.
 355          */
 356         protected function setupGlobals( $opts = array(), $config = '' ) {
 357                 global $wgFileBackends;
 358                 # Find out values for some special options.
 359                 $lang =
 360                         self::getOptionValue( 'language', $opts, 'en' );
 361                 $variant =
 362                         self::getOptionValue( 'variant', $opts, false );
 363                 $maxtoclevel =
 364                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 365                 $linkHolderBatchSize =
 366                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 367
 368                 $uploadDir = $this->getUploadDir();
 369                 if ( $this->getCliArg( 'use-filebackend' ) ) {
 370                         if ( self::$backendToUse ) {
 371                                 $backend = self::$backendToUse;
 372                         } else {
 373                                 $name = $this->getCliArg( 'use-filebackend' );
 374                                 $useConfig = array();
 375                                 foreach ( $wgFileBackends as $conf ) {
 376                                         if ( $conf['name'] == $name ) {
 377                                                 $useConfig = $conf;
 378                                         }
 379                                 }
 380                                 $useConfig['name'] = 'local-backend'; // swap name
 381                                 unset( $useConfig['lockManager'] );
 382                                 unset( $useConfig['fileJournal'] );
 383                                 $class = $useConfig['class'];
 384                                 self::$backendToUse = new $class( $useConfig );
 385                                 $backend = self::$backendToUse;
 386                         }
 387                 } else {
 388                         # Replace with a mock. We do not care about generating real
 389                         # files on the filesystem, just need to expose the file
 390                         # informations.
 391                         $backend = new MockFileBackend( array(
 392                                 'name' => 'local-backend',
 393                                 'wikiId' => wfWikiId()
 394                         ) );
 395                 }
 396
 397                 $settings = array(
 398                         'wgLocalFileRepo' => array(
 399                                 'class' => 'LocalRepo',
 400                                 'name' => 'local',
 401                                 'url' => 'http://example.com/images',
 402                                 'hashLevels' => 2,
 403                                 'transformVia404' => false,
 404                                 'backend' => $backend
 405                         ),
 406                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
 407                         'wgLanguageCode' => $lang,
 408                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'unittest_' : 'ut_',
 409                         'wgRawHtml' => self::getOptionValue( 'wgRawHtml', $opts, false ),
 410                         'wgNamespacesWithSubpages' => array( NS_MAIN => isset( $opts['subpage'] ) ),
 411                         'wgAllowExternalImages' => self::getOptionValue( 'wgAllowExternalImages', $opts, true ),
 412                         'wgThumbLimits' => array( self::getOptionValue( 'thumbsize', $opts, 180 ) ),
 413                         'wgMaxTocLevel' => $maxtoclevel,
 414                         'wgUseTeX' => isset( $opts['math'] ) || isset( $opts['texvc'] ),
 415                         'wgMathDirectory' => $uploadDir . '/math',
 416                         'wgDefaultLanguageVariant' => $variant,
 417                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 418                 );
 419
 420                 if ( $config ) {
 421                         $configLines = explode( "\n", $config );
 422
 423                         foreach ( $configLines as $line ) {
 424                                 list( $var, $value ) = explode( '=', $line, 2 );
 425
 426                                 $settings[$var] = eval( "return $value;" ); //???
 427                         }
 428                 }
 429
 430                 $this->savedGlobals = array();
 431
 432                 /** @since 1.20 */
 433                 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
 434
 435                 $langObj = Language::factory( $lang );
 436                 $settings['wgContLang'] = $langObj;
 437                 $settings['wgLang'] = $langObj;
 438
 439                 $context = new RequestContext();
 440                 $settings['wgOut'] = $context->getOutput();
 441                 $settings['wgUser'] = $context->getUser();
 442                 $settings['wgRequest'] = $context->getRequest();
 443
 444                 // We (re)set $wgThumbLimits to a single-element array above.
 445                 $context->getUser()->setOption( 'thumbsize', 0 );
 446
 447                 foreach ( $settings as $var => $val ) {
 448                         if ( array_key_exists( $var, $GLOBALS ) ) {
 449                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 450                         }
 451
 452                         $GLOBALS[$var] = $val;
 453                 }
 454
 455                 MagicWord::clearCache();
 456
 457                 # The entries saved into RepoGroup cache with previous globals will be wrong.
 458                 RepoGroup::destroySingleton();
 459                 FileBackendGroup::destroySingleton();
 460
 461                 # Create dummy files in storage
 462                 $this->setupUploads();
 463
 464                 # Publish the articles after we have the final language set
 465                 $this->publishTestArticles();
 466
 467                 MessageCache::destroyInstance();
 468
 469                 return $context;
 470         }
 471
 472         /**
 473          * Get an FS upload directory (only applies to FSFileBackend)
 474          *
 475          * @return string The directory
 476          */
 477         protected function getUploadDir() {
 478                 if ( $this->keepUploads ) {
 479                         $dir = wfTempDir() . '/mwParser-images';
 480
 481                         if ( is_dir( $dir ) ) {
 482                                 return $dir;
 483                         }
 484                 } else {
 485                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
 486                 }
 487
 488                 // wfDebug( "Creating upload directory $dir\n" );
 489                 if ( file_exists( $dir ) ) {
 490                         wfDebug( "Already exists!\n" );
 491
 492                         return $dir;
 493                 }
 494
 495                 return $dir;
 496         }
 497
 498         /**
 499          * Create a dummy uploads directory which will contain a couple
 500          * of files in order to pass existence tests.
 501          *
 502          * @return string The directory
 503          */
 504         protected function setupUploads() {
 505                 global $IP;
 506
 507                 $base = $this->getBaseDir();
 508                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 509                 $backend->prepare( array( 'dir' => "$base/local-public/3/3a" ) );
 510                 $backend->store( array(
 511                         'src' => "$IP/tests/phpunit/data/parser/headbg.jpg",
 512                         'dst' => "$base/local-public/3/3a/Foobar.jpg"
 513                 ) );
 514                 $backend->prepare( array( 'dir' => "$base/local-public/e/ea" ) );
 515                 $backend->store( array(
 516                         'src' => "$IP/tests/phpunit/data/parser/wiki.png",
 517                         'dst' => "$base/local-public/e/ea/Thumb.png"
 518                 ) );
 519                 $backend->prepare( array( 'dir' => "$base/local-public/0/09" ) );
 520                 $backend->store( array(
 521                         'src' => "$IP/tests/phpunit/data/parser/headbg.jpg",
 522                         'dst' => "$base/local-public/0/09/Bad.jpg"
 523                 ) );
 524                 $backend->prepare( array( 'dir' => "$base/local-public/5/5f" ) );
 525                 $backend->store( array(
 526                         'src' => "$IP/tests/phpunit/data/parser/LoremIpsum.djvu",
 527                         'dst' => "$base/local-public/5/5f/LoremIpsum.djvu"
 528                 ) );
 529
 530                 // No helpful SVG file to copy, so make one ourselves
 531                 $data = '<?xml version="1.0" encoding="utf-8"?>' .
 532                         '<svg xmlns="http://www.w3.org/2000/svg"' .
 533                         ' version="1.1" width="240" height="180"/>';
 534
 535                 $backend->prepare( array( 'dir' => "$base/local-public/f/ff" ) );
 536                 $backend->quickCreate( array(
 537                         'content' => $data, 'dst' => "$base/local-public/f/ff/Foobar.svg"
 538                 ) );
 539         }
 540
 541         /**
 542          * Restore default values and perform any necessary clean-up
 543          * after each test runs.
 544          */
 545         protected function teardownGlobals() {
 546                 $this->teardownUploads();
 547
 548                 foreach ( $this->savedGlobals as $var => $val ) {
 549                         $GLOBALS[$var] = $val;
 550                 }
 551         }
 552
 553         /**
 554          * Remove the dummy uploads directory
 555          */
 556         private function teardownUploads() {
 557                 if ( $this->keepUploads ) {
 558                         return;
 559                 }
 560
 561                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 562                 if ( $backend instanceof MockFileBackend ) {
 563                         # In memory backend, so dont bother cleaning them up.
 564                         return;
 565                 }
 566
 567                 $base = $this->getBaseDir();
 568                 // delete the files first, then the dirs.
 569                 self::deleteFiles(
 570                         array(
 571                                 "$base/local-public/3/3a/Foobar.jpg",
 572                                 "$base/local-thumb/3/3a/Foobar.jpg/1000px-Foobar.jpg",
 573                                 "$base/local-thumb/3/3a/Foobar.jpg/100px-Foobar.jpg",
 574                                 "$base/local-thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
 575                                 "$base/local-thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
 576                                 "$base/local-thumb/3/3a/Foobar.jpg/137px-Foobar.jpg",
 577                                 "$base/local-thumb/3/3a/Foobar.jpg/1500px-Foobar.jpg",
 578                                 "$base/local-thumb/3/3a/Foobar.jpg/177px-Foobar.jpg",
 579                                 "$base/local-thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
 580                                 "$base/local-thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
 581                                 "$base/local-thumb/3/3a/Foobar.jpg/206px-Foobar.jpg",
 582                                 "$base/local-thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
 583                                 "$base/local-thumb/3/3a/Foobar.jpg/220px-Foobar.jpg",
 584                                 "$base/local-thumb/3/3a/Foobar.jpg/265px-Foobar.jpg",
 585                                 "$base/local-thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
 586                                 "$base/local-thumb/3/3a/Foobar.jpg/274px-Foobar.jpg",
 587                                 "$base/local-thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
 588                                 "$base/local-thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
 589                                 "$base/local-thumb/3/3a/Foobar.jpg/330px-Foobar.jpg",
 590                                 "$base/local-thumb/3/3a/Foobar.jpg/353px-Foobar.jpg",
 591                                 "$base/local-thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
 592                                 "$base/local-thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
 593                                 "$base/local-thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
 594                                 "$base/local-thumb/3/3a/Foobar.jpg/440px-Foobar.jpg",
 595                                 "$base/local-thumb/3/3a/Foobar.jpg/442px-Foobar.jpg",
 596                                 "$base/local-thumb/3/3a/Foobar.jpg/450px-Foobar.jpg",
 597                                 "$base/local-thumb/3/3a/Foobar.jpg/50px-Foobar.jpg",
 598                                 "$base/local-thumb/3/3a/Foobar.jpg/600px-Foobar.jpg",
 599                                 "$base/local-thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
 600                                 "$base/local-thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
 601                                 "$base/local-thumb/3/3a/Foobar.jpg/75px-Foobar.jpg",
 602                                 "$base/local-thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
 603
 604                                 "$base/local-public/e/ea/Thumb.png",
 605
 606                                 "$base/local-public/0/09/Bad.jpg",
 607
 608                                 "$base/local-public/5/5f/LoremIpsum.djvu",
 609                                 "$base/local-thumb/5/5f/LoremIpsum.djvu/page2-2480px-LoremIpsum.djvu.jpg",
 610                                 "$base/local-thumb/5/5f/LoremIpsum.djvu/page2-3720px-LoremIpsum.djvu.jpg",
 611                                 "$base/local-thumb/5/5f/LoremIpsum.djvu/page2-4960px-LoremIpsum.djvu.jpg",
 612
 613                                 "$base/local-public/f/ff/Foobar.svg",
 614                                 "$base/local-thumb/f/ff/Foobar.svg/180px-Foobar.svg.png",
 615                                 "$base/local-thumb/f/ff/Foobar.svg/2000px-Foobar.svg.png",
 616                                 "$base/local-thumb/f/ff/Foobar.svg/270px-Foobar.svg.png",
 617                                 "$base/local-thumb/f/ff/Foobar.svg/3000px-Foobar.svg.png",
 618                                 "$base/local-thumb/f/ff/Foobar.svg/360px-Foobar.svg.png",
 619                                 "$base/local-thumb/f/ff/Foobar.svg/4000px-Foobar.svg.png",
 620                                 "$base/local-thumb/f/ff/Foobar.svg/langde-180px-Foobar.svg.png",
 621                                 "$base/local-thumb/f/ff/Foobar.svg/langde-270px-Foobar.svg.png",
 622                                 "$base/local-thumb/f/ff/Foobar.svg/langde-360px-Foobar.svg.png",
 623
 624                                 "$base/local-public/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
 625                         )
 626                 );
 627         }
 628
 629         /**
 630          * Delete the specified files, if they exist.
 631          * @param array $files Full paths to files to delete.
 632          */
 633         private static function deleteFiles( $files ) {
 634                 $backend = RepoGroup::singleton()->getLocalRepo()->getBackend();
 635                 foreach ( $files as $file ) {
 636                         $backend->delete( array( 'src' => $file ), array( 'force' => 1 ) );
 637                 }
 638                 foreach ( $files as $file ) {
 639                         $tmp = $file;
 640                         while ( $tmp = FileBackend::parentStoragePath( $tmp ) ) {
 641                                 if ( !$backend->clean( array( 'dir' => $tmp ) )->isOK() ) {
 642                                         break;
 643                                 }
 644                         }
 645                 }
 646         }
 647
 648         protected function getBaseDir() {
 649                 return 'mwstore://local-backend';
 650         }
 651
 652         public function parserTestProvider() {
 653                 if ( $this->file === false ) {
 654                         global $wgParserTestFiles;
 655                         $this->file = $wgParserTestFiles[0];
 656                 }
 657
 658                 return new TestFileIterator( $this->file, $this );
 659         }
 660
 661         /**
 662          * Set the file from whose tests will be run by this instance
 663          * @param string $filename
 664          */
 665         public function setParserTestFile( $filename ) {
 666                 $this->file = $filename;
 667         }
 668
 669         /**
 670          * @group medium
 671          * @dataProvider parserTestProvider
 672          * @param string $desc
 673          * @param string $input
 674          * @param string $result
 675          * @param array $opts
 676          * @param array $config
 677          */
 678         public function testParserTest( $desc, $input, $result, $opts, $config ) {
 679                 if ( $this->regex != '' && !preg_match( '/' . $this->regex . '/', $desc ) ) {
 680                         $this->assertTrue( true ); // XXX: don't flood output with "test made no assertions"
 681                         //$this->markTestSkipped( 'Filtered out by the user' );
 682                         return;
 683                 }
 684
 685                 if ( !$this->isWikitextNS( NS_MAIN ) ) {
 686                         // parser tests frequently assume that the main namespace contains wikitext.
 687                         // @todo When setting up pages, force the content model. Only skip if
 688                         //        $wgtContentModelUseDB is false.
 689                         $this->markTestSkipped( "Main namespace does not support wikitext,"
 690                                 . "skipping parser test: $desc" );
 691                 }
 692
 693                 wfDebug( "Running parser test: $desc\n" );
 694
 695                 $opts = $this->parseOptions( $opts );
 696                 $context = $this->setupGlobals( $opts, $config );
 697
 698                 $user = $context->getUser();
 699                 $options = ParserOptions::newFromContext( $context );
 700
 701                 if ( isset( $opts['title'] ) ) {
 702                         $titleText = $opts['title'];
 703                 } else {
 704                         $titleText = 'Parser test';
 705                 }
 706
 707                 $local = isset( $opts['local'] );
 708                 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
 709                 $parser = $this->getParser( $preprocessor );
 710
 711                 $title = Title::newFromText( $titleText );
 712
 713                 # Parser test requiring math. Make sure texvc is executable
 714                 # or just skip such tests.
 715                 if ( isset( $opts['math'] ) || isset( $opts['texvc'] ) ) {
 716                         global $wgTexvc;
 717
 718                         if ( !isset( $wgTexvc ) ) {
 719                                 $this->markTestSkipped( "SKIPPED: \$wgTexvc is not set" );
 720                         } elseif ( !is_executable( $wgTexvc ) ) {
 721                                 $this->markTestSkipped( "SKIPPED: texvc binary does not exist"
 722                                         . " or is not executable.\n"
 723                                         . "Current configuration is:\n\$wgTexvc = '$wgTexvc'" );
 724                         }
 725                 }
 726                 if ( isset( $opts['djvu'] ) ) {
 727                         if ( !$this->djVuSupport->isEnabled() ) {
 728                                 $this->markTestSkipped( "SKIPPED: djvu binaries do not exist or are not executable.\n" );
 729                         }
 730                 }
 731
 732                 if ( isset( $opts['pst'] ) ) {
 733                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
 734                 } elseif ( isset( $opts['msg'] ) ) {
 735                         $out = $parser->transformMsg( $input, $options, $title );
 736                 } elseif ( isset( $opts['section'] ) ) {
 737                         $section = $opts['section'];
 738                         $out = $parser->getSection( $input, $section );
 739                 } elseif ( isset( $opts['replace'] ) ) {
 740                         $section = $opts['replace'][0];
 741                         $replace = $opts['replace'][1];
 742                         $out = $parser->replaceSection( $input, $section, $replace );
 743                 } elseif ( isset( $opts['comment'] ) ) {
 744                         $out = Linker::formatComment( $input, $title, $local );
 745                 } elseif ( isset( $opts['preload'] ) ) {
 746                         $out = $parser->getPreloadText( $input, $title, $options );
 747                 } else {
 748                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
 749                         $output->setTOCEnabled( !isset( $opts['notoc'] ) );
 750                         $out = $output->getText();
 751                         if ( isset( $opts['tidy'] ) ) {
 752                                 if ( !$this->tidySupport->isEnabled() ) {
 753                                         $this->markTestSkipped( "SKIPPED: tidy extension is not installed.\n" );
 754                                 } else {
 755                                         $out = MWTidy::tidy( $out );
 756                                         $out = preg_replace( '/\s+$/', '', $out);
 757                                 }
 758                         }
 759
 760                         if ( isset( $opts['showtitle'] ) ) {
 761                                 if ( $output->getTitleText() ) {
 762                                         $title = $output->getTitleText();
 763                                 }
 764
 765                                 $out = "$title\n$out";
 766                         }
 767
 768                         if ( isset( $opts['ill'] ) ) {
 769                                 $out = implode( ' ', $output->getLanguageLinks() );
 770                         } elseif ( isset( $opts['cat'] ) ) {
 771                                 $outputPage = $context->getOutput();
 772                                 $outputPage->addCategoryLinks( $output->getCategories() );
 773                                 $cats = $outputPage->getCategoryLinks();
 774
 775                                 if ( isset( $cats['normal'] ) ) {
 776                                         $out = implode( ' ', $cats['normal'] );
 777                                 } else {
 778                                         $out = '';
 779                                 }
 780                         }
 781                         $parser->mPreprocessor = null;
 782                 }
 783
 784                 $this->teardownGlobals();
 785
 786                 $this->assertEquals( $result, $out, $desc );
 787         }
 788
 789         /**
 790          * Run a fuzz test series
 791          * Draw input from a set of test files
 792          *
 793          * @todo fixme Needs some work to not eat memory until the world explodes
 794          *
 795          * @group ParserFuzz
 796          */
 797         public function testFuzzTests() {
 798                 global $wgParserTestFiles;
 799
 800                 $files = $wgParserTestFiles;
 801
 802                 if ( $this->getCliArg( 'file' ) ) {
 803                         $files = array( $this->getCliArg( 'file' ) );
 804                 }
 805
 806                 $dict = $this->getFuzzInput( $files );
 807                 $dictSize = strlen( $dict );
 808                 $logMaxLength = log( $this->maxFuzzTestLength );
 809
 810                 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
 811
 812                 $user = new User;
 813                 $opts = ParserOptions::newFromUser( $user );
 814                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
 815
 816                 $id = 1;
 817
 818                 while ( true ) {
 819
 820                         // Generate test input
 821                         mt_srand( ++$this->fuzzSeed );
 822                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
 823                         $input = '';
 824
 825                         while ( strlen( $input ) < $totalLength ) {
 826                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
 827                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
 828                                 $offset = mt_rand( 0, $dictSize - $hairLength );
 829                                 $input .= substr( $dict, $offset, $hairLength );
 830                         }
 831
 832                         $this->setupGlobals();
 833                         $parser = $this->getParser();
 834
 835                         // Run the test
 836                         try {
 837                                 $parser->parse( $input, $title, $opts );
 838                                 $this->assertTrue( true, "Test $id, fuzz seed {$this->fuzzSeed}" );
 839                         } catch ( Exception $exception ) {
 840                                 $input_dump = sprintf( "string(%d) \"%s\"\n", strlen( $input ), $input );
 841
 842                                 $this->assertTrue( false, "Test $id, fuzz seed {$this->fuzzSeed}. \n\n" .
 843                                         "Input: $input_dump\n\nError: {$exception->getMessage()}\n\n" .
 844                                         "Backtrace: {$exception->getTraceAsString()}" );
 845                         }
 846
 847                         $this->teardownGlobals();
 848                         $parser->__destruct();
 849
 850                         if ( $id % 100 == 0 ) {
 851                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
 852                                 //echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
 853                                 if ( $usage > 90 ) {
 854                                         $ret = "Out of memory:\n";
 855                                         $memStats = $this->getMemoryBreakdown();
 856
 857                                         foreach ( $memStats as $name => $usage ) {
 858                                                 $ret .= "$name: $usage\n";
 859                                         }
 860
 861                                         throw new MWException( $ret );
 862                                 }
 863                         }
 864
 865                         $id++;
 866                 }
 867         }
 868
 869         //Various getter functions
 870
 871         /**
 872          * Get an input dictionary from a set of parser test files
 873          * @param array $filenames
 874          */
 875         function getFuzzInput( $filenames ) {
 876                 $dict = '';
 877
 878                 foreach ( $filenames as $filename ) {
 879                         $contents = file_get_contents( $filename );
 880                         preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
 881
 882                         foreach ( $matches[1] as $match ) {
 883                                 $dict .= $match . "\n";
 884                         }
 885                 }
 886
 887                 return $dict;
 888         }
 889
 890         /**
 891          * Get a memory usage breakdown
 892          */
 893         function getMemoryBreakdown() {
 894                 $memStats = array();
 895
 896                 foreach ( $GLOBALS as $name => $value ) {
 897                         $memStats['$' . $name] = strlen( serialize( $value ) );
 898                 }
 899
 900                 $classes = get_declared_classes();
 901
 902                 foreach ( $classes as $class ) {
 903                         $rc = new ReflectionClass( $class );
 904                         $props = $rc->getStaticProperties();
 905                         $memStats[$class] = strlen( serialize( $props ) );
 906                         $methods = $rc->getMethods();
 907
 908                         foreach ( $methods as $method ) {
 909                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 910                         }
 911                 }
 912
 913                 $functions = get_defined_functions();
 914
 915                 foreach ( $functions['user'] as $function ) {
 916                         $rf = new ReflectionFunction( $function );
 917                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 918                 }
 919
 920                 asort( $memStats );
 921
 922                 return $memStats;
 923         }
 924
 925         /**
 926          * Get a Parser object
 927          * @param Preprocessor $preprocessor
 928          */
 929         function getParser( $preprocessor = null ) {
 930                 global $wgParserConf;
 931
 932                 $class = $wgParserConf['class'];
 933                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
 934
 935                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
 936
 937                 return $parser;
 938         }
 939
 940         //Various action functions
 941
 942         public function addArticle( $name, $text, $line ) {
 943                 self::$articles[$name] = array( $text, $line );
 944         }
 945
 946         public function publishTestArticles() {
 947                 if ( empty( self::$articles ) ) {
 948                         return;
 949                 }
 950
 951                 foreach ( self::$articles as $name => $info ) {
 952                         list( $text, $line ) = $info;
 953                         ParserTest::addArticle( $name, $text, $line, 'ignoreduplicate' );
 954                 }
 955         }
 956
 957         /**
 958          * Steal a callback function from the primary parser, save it for
 959          * application to our scary parser. If the hook is not installed,
 960          * abort processing of this file.
 961          *
 962          * @param string $name
 963          * @return bool True if tag hook is present
 964          */
 965         public function requireHook( $name ) {
 966                 global $wgParser;
 967                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 968                 return isset( $wgParser->mTagHooks[$name] );
 969         }
 970
 971         public function requireFunctionHook( $name ) {
 972                 global $wgParser;
 973                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 974                 return isset( $wgParser->mFunctionHooks[$name] );
 975         }
 976
 977         public function requireTransparentHook( $name ) {
 978                 global $wgParser;
 979                 $wgParser->firstCallInit(); // make sure hooks are loaded.
 980                 return isset( $wgParser->mTransparentTagHooks[$name] );
 981         }
 982
 983         //Various "cleanup" functions
 984
 985         /**
 986          * Remove last character if it is a newline
 987          * @param string $s
 988          */
 989         public function removeEndingNewline( $s ) {
 990                 if ( substr( $s, -1 ) === "\n" ) {
 991                         return substr( $s, 0, -1 );
 992                 } else {
 993                         return $s;
 994                 }
 995         }
 996
 997         //Test options parser functions
 998
 999         protected function parseOptions( $instring ) {
1000                 $opts = array();
1001                 // foo
1002                 // foo=bar
1003                 // foo="bar baz"
1004                 // foo=[[bar baz]]
1005                 // foo=bar,"baz quux"
1006                 $regex = '/\b
1007                         ([\w-]+)                                                # Key
1008                         \b
1009                         (?:\s*
1010                                 =                                               # First sub-value
1011                                 \s*
1012                                 (
1013                                         "
1014                                                 [^"]*                   # Quoted val
1015                                         "
1016                                 |
1017                                         \[\[
1018                                                 [^]]*                   # Link target
1019                                         \]\]
1020                                 |
1021                                         [\w-]+                          # Plain word
1022                                 )
1023                                 (?:\s*
1024                                         ,                                       # Sub-vals 1..N
1025                                         \s*
1026                                         (
1027                                                 "[^"]*"                 # Quoted val
1028                                         |
1029                                                 \[\[[^]]*\]\]   # Link target
1030                                         |
1031                                                 [\w-]+                  # Plain word
1032                                         )
1033                                 )*
1034                         )?
1035                         /x';
1036
1037                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
1038                         foreach ( $matches as $bits ) {
1039                                 array_shift( $bits );
1040                                 $key = strtolower( array_shift( $bits ) );
1041                                 if ( count( $bits ) == 0 ) {
1042                                         $opts[$key] = true;
1043                                 } elseif ( count( $bits ) == 1 ) {
1044                                         $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
1045                                 } else {
1046                                         // Array!
1047                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
1048                                 }
1049                         }
1050                 }
1051
1052                 return $opts;
1053         }
1054
1055         protected function cleanupOption( $opt ) {
1056                 if ( substr( $opt, 0, 1 ) == '"' ) {
1057                         return substr( $opt, 1, -1 );
1058                 }
1059
1060                 if ( substr( $opt, 0, 2 ) == '[[' ) {
1061                         return substr( $opt, 2, -2 );
1062                 }
1063
1064                 return $opt;
1065         }
1066
1067         /**
1068          * Use a regex to find out the value of an option
1069          * @param string $key Name of option val to retrieve
1070          * @param array $opts Options array to look in
1071          * @param mixed $default Default value returned if not found
1072          */
1073         protected static function getOptionValue( $key, $opts, $default ) {
1074                 $key = strtolower( $key );
1075
1076                 if ( isset( $opts[$key] ) ) {
1077                         return $opts[$key];
1078                 } else {
1079                         return $default;
1080                 }
1081         }
1082 }