diff options
Diffstat (limited to 'tests/phpunit/includes/parser/NewParserTest.php')
| -rw-r--r-- | tests/phpunit/includes/parser/NewParserTest.php | 969 |
1 files changed, 969 insertions, 0 deletions
diff --git a/tests/phpunit/includes/parser/NewParserTest.php b/tests/phpunit/includes/parser/NewParserTest.php new file mode 100644 index 00000000..eac4de5c --- /dev/null +++ b/tests/phpunit/includes/parser/NewParserTest.php @@ -0,0 +1,969 @@ +<?php + +/** + * Although marked as a stub, can work independently. + * + * @group Database + * @group Parser + * @group Stub + * + * @todo covers tags + */ +class NewParserTest extends MediaWikiTestCase { + static protected $articles = array(); // Array of test articles defined by the tests + /* The data provider is run on a different instance than the test, so it must be static + * When running tests from several files, all tests will see all articles. + */ + static protected $backendToUse; + + public $keepUploads = false; + public $runDisabled = false; + public $runParsoid = false; + public $regex = ''; + public $showProgress = true; + public $savedWeirdGlobals = array(); + public $savedGlobals = array(); + public $hooks = array(); + public $functionHooks = array(); + + //Fuzz test + public $maxFuzzTestLength = 300; + public $fuzzSeed = 0; + public $memoryLimit = 50; + + protected $file = false; + + public static function setUpBeforeClass() { + // Inject ParserTest well-known interwikis + ParserTest::setupInterwikis(); + } + + protected function setUp() { + global $wgNamespaceAliases, $wgContLang; + global $wgHooks, $IP; + + parent::setUp(); + + //Setup CLI arguments + if ( $this->getCliArg( 'regex=' ) ) { + $this->regex = $this->getCliArg( 'regex=' ); + } else { + # Matches anything + $this->regex = ''; + } + + $this->keepUploads = $this->getCliArg( 'keep-uploads' ); + + $tmpGlobals = array(); + + $tmpGlobals['wgLanguageCode'] = 'en'; + $tmpGlobals['wgContLang'] = Language::factory( 'en' ); + $tmpGlobals['wgSitename'] = 'MediaWiki'; + $tmpGlobals['wgServer'] = 'http://example.org'; + $tmpGlobals['wgScript'] = '/index.php'; + $tmpGlobals['wgScriptPath'] = '/'; + $tmpGlobals['wgArticlePath'] = '/wiki/$1'; + $tmpGlobals['wgActionPaths'] = array(); + $tmpGlobals['wgVariantArticlePath'] = false; + $tmpGlobals['wgExtensionAssetsPath'] = '/extensions'; + $tmpGlobals['wgStylePath'] = '/skins'; + $tmpGlobals['wgEnableUploads'] = true; + $tmpGlobals['wgThumbnailScriptPath'] = false; + $tmpGlobals['wgLocalFileRepo'] = array( + 'class' => 'LocalRepo', + 'name' => 'local', + 'url' => 'http://example.com/images', + 'hashLevels' => 2, + 'transformVia404' => false, + 'backend' => 'local-backend' + ); + $tmpGlobals['wgForeignFileRepos'] = array(); + $tmpGlobals['wgDefaultExternalStore'] = array(); + $tmpGlobals['wgEnableParserCache'] = false; + $tmpGlobals['wgCapitalLinks'] = true; + $tmpGlobals['wgNoFollowLinks'] = true; + $tmpGlobals['wgNoFollowDomainExceptions'] = array(); + $tmpGlobals['wgExternalLinkTarget'] = false; + $tmpGlobals['wgThumbnailScriptPath'] = false; + $tmpGlobals['wgUseImageResize'] = true; + $tmpGlobals['wgAllowExternalImages'] = true; + $tmpGlobals['wgRawHtml'] = false; + $tmpGlobals['wgUseTidy'] = false; + $tmpGlobals['wgAlwaysUseTidy'] = false; + $tmpGlobals['wgWellFormedXml'] = true; + $tmpGlobals['wgAllowMicrodataAttributes'] = true; + $tmpGlobals['wgExperimentalHtmlIds'] = false; + $tmpGlobals['wgAdaptiveMessageCache'] = true; + $tmpGlobals['wgUseDatabaseMessages'] = true; + $tmpGlobals['wgLocaltimezone'] = 'UTC'; + $tmpGlobals['wgDeferredUpdateList'] = array(); + $tmpGlobals['wgGroupPermissions'] = array( + '*' => array( + 'createaccount' => true, + 'read' => true, + 'edit' => true, + 'createpage' => true, + 'createtalk' => true, + ) ); + $tmpGlobals['wgNamespaceProtection'] = array( NS_MEDIAWIKI => 'editinterface' ); + + $tmpGlobals['wgParser'] = new StubObject( + 'wgParser', $GLOBALS['wgParserConf']['class'], + array( $GLOBALS['wgParserConf'] ) ); + + $tmpGlobals['wgFileExtensions'][] = 'svg'; + $tmpGlobals['wgSVGConverter'] = 'rsvg'; + $tmpGlobals['wgSVGConverters']['rsvg'] = + '$path/rsvg-convert -w $width -h $height $input -o $output'; + + if ( $GLOBALS['wgStyleDirectory'] === false ) { + $tmpGlobals['wgStyleDirectory'] = "$IP/skins"; + } + + # Replace all media handlers with a mock. We do not need to generate + # actual thumbnails to do parser testing, we only care about receiving + # a ThumbnailImage properly initialized. + global $wgMediaHandlers; + foreach ( $wgMediaHandlers as $type => $handler ) { + $tmpGlobals['wgMediaHandlers'][$type] = 'MockBitmapHandler'; + } + // Vector images have to be handled slightly differently + $tmpGlobals['wgMediaHandlers']['image/svg+xml'] = 'MockSvgHandler'; + + $tmpHooks = $wgHooks; + $tmpHooks['ParserTestParser'][] = 'ParserTestParserHook::setup'; + $tmpHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp'; + $tmpGlobals['wgHooks'] = $tmpHooks; + # add a namespace shadowing a interwiki link, to test + # proper precedence when resolving links. (bug 51680) + $tmpGlobals['wgExtraNamespaces'] = array( 100 => 'MemoryAlpha' ); + + $this->setMwGlobals( $tmpGlobals ); + + $this->savedWeirdGlobals['image_alias'] = $wgNamespaceAliases['Image']; + $this->savedWeirdGlobals['image_talk_alias'] = $wgNamespaceAliases['Image_talk']; + + $wgNamespaceAliases['Image'] = NS_FILE; + $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK; + + MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache + $wgContLang->resetNamespaces(); # reset namespace cache + } + + protected function tearDown() { + global $wgNamespaceAliases, $wgContLang; + + $wgNamespaceAliases['Image'] = $this->savedWeirdGlobals['image_alias']; + $wgNamespaceAliases['Image_talk'] = $this->savedWeirdGlobals['image_talk_alias']; + + // Restore backends + RepoGroup::destroySingleton(); + FileBackendGroup::destroySingleton(); + + // Remove temporary pages from the link cache + LinkCache::singleton()->clear(); + + // Restore message cache (temporary pages and $wgUseDatabaseMessages) + MessageCache::destroyInstance(); + + parent::tearDown(); + + MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache + $wgContLang->resetNamespaces(); # reset namespace cache + } + + public static function tearDownAfterClass() { + ParserTest::tearDownInterwikis(); + parent::tearDownAfterClass(); + } + + function addDBData() { + $this->tablesUsed[] = 'site_stats'; + # disabled for performance + #$this->tablesUsed[] = 'image'; + + # Update certain things in site_stats + $this->db->insert( 'site_stats', + array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ), + __METHOD__ + ); + + $user = User::newFromId( 0 ); + LinkCache::singleton()->clear(); # Avoids the odd failure at creating the nullRevision + + # Upload DB table entries for files. + # We will upload the actual files later. Note that if anything causes LocalFile::load() + # to be triggered before then, it will break via maybeUpgrade() setting the fileExists + # member to false and storing it in cache. + # note that the size/width/height/bits/etc of the file + # are actually set by inspecting the file itself; the arguments + # to recordUpload2 have no effect. That said, we try to make things + # match up so it is less confusing to readers of the code & tests. + $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) ); + if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) { + $image->recordUpload2( + '', // archive name + 'Upload of some lame file', + 'Some lame file', + array( + 'size' => 7881, + 'width' => 1941, + 'height' => 220, + 'bits' => 8, + 'media_type' => MEDIATYPE_BITMAP, + 'mime' => 'image/jpeg', + 'metadata' => serialize( array() ), + 'sha1' => wfBaseConvert( '1', 16, 36, 31 ), + 'fileExists' => true ), + $this->db->timestamp( '20010115123500' ), $user + ); + } + + $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) ); + if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) { + $image->recordUpload2( + '', // archive name + 'Upload of some lame thumbnail', + 'Some lame thumbnail', + array( + 'size' => 22589, + 'width' => 135, + 'height' => 135, + 'bits' => 8, + 'media_type' => MEDIATYPE_BITMAP, + 'mime' => 'image/png', + 'metadata' => serialize( array() ), + 'sha1' => wfBaseConvert( '2', 16, 36, 31 ), + 'fileExists' => true ), + $this->db->timestamp( '20130225203040' ), $user + ); + } + + # This image will be blacklisted in [[MediaWiki:Bad image list]] + $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) ); + if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) { + $image->recordUpload2( + '', // archive name + 'zomgnotcensored', + 'Borderline image', + array( + 'size' => 12345, + 'width' => 320, + 'height' => 240, + 'bits' => 24, + 'media_type' => MEDIATYPE_BITMAP, + 'mime' => 'image/jpeg', + 'metadata' => serialize( array() ), + 'sha1' => wfBaseConvert( '3', 16, 36, 31 ), + 'fileExists' => true ), + $this->db->timestamp( '20010115123500' ), $user + ); + } + $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.svg' ) ); + if ( !$this->db->selectField( 'image', '1', array( 'img_name' => $image->getName() ) ) ) { + $image->recordUpload2( '', 'Upload of some lame SVG', 'Some lame SVG', array( + 'size' => 12345, + 'width' => 200, + 'height' => 200, + 'bits' => 24, + 'media_type' => MEDIATYPE_DRAWING, + 'mime' => 'image/svg+xml', + 'metadata' => serialize( array() ), + 'sha1' => wfBaseConvert( '', 16, 36, 31 ), + 'fileExists' => true + ), $this->db->timestamp( '20010115123500' ), $user ); + } + } + + //ParserTest setup/teardown functions + + /** + * Set up the global variables for a consistent environment for each test. + * Ideally this should replace the global configuration entirely. + */ + protected function setupGlobals( $opts = array(), $config = '' ) { + global $wgFileBackends; + # Find out values for some special options. + $lang = + self::getOptionValue( 'language', $opts, 'en' ); + $variant = + self::getOptionValue( 'variant', $opts, false ); + $maxtoclevel = + self::getOptionValue( 'wgMaxTocLevel', $opts, 999 ); + $linkHolderBatchSize = + self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 ); + + $uploadDir = $this->getUploadDir(); + if ( $this->getCliArg( 'use-filebackend=' ) ) { + if ( self::$backendToUse ) { + $backend = self::$backendToUse; + } else { + $name = $this->getCliArg( 'use-filebackend=' ); + $useConfig = array(); + foreach ( $wgFileBackends as $conf ) { + if ( $conf['name'] == $name ) { + $useConfig = $conf; + } + } + $useConfig['name'] = 'local-backend'; // swap name + $class = $conf['class']; + self::$backendToUse = new $class( $useConfig ); + $backend = self::$backendToUse; + } + } else { + # Replace with a mock. We do not care about generating real + # files on the filesystem, just need to expose the file + # informations. + $backend = new MockFileBackend( array( + 'name' => 'local-backend', + 'lockManager' => 'nullLockManager', + 'containerPaths' => array( + 'local-public' => "$uploadDir", + 'local-thumb' => "$uploadDir/thumb", + ) + ) ); + } + + $settings = array( + 'wgLocalFileRepo' => array( + 'class' => 'LocalRepo', + 'name' => 'local', + 'url' => 'http://example.com/images', + 'hashLevels' => 2, + 'transformVia404' => false, + 'backend' => $backend + ), + 'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ), + 'wgLanguageCode' => $lang, + 'wgDBprefix' => $this->db->getType() != 'oracle' ? 'unittest_' : 'ut_', + 'wgRawHtml' => self::getOptionValue( 'wgRawHtml', $opts, false ), + 'wgNamespacesWithSubpages' => array( NS_MAIN => isset( $opts['subpage'] ) ), + 'wgAllowExternalImages' => self::getOptionValue( 'wgAllowExternalImages', $opts, true ), + 'wgMaxTocLevel' => $maxtoclevel, + 'wgUseTeX' => isset( $opts['math'] ) || isset( $opts['texvc'] ), + 'wgMathDirectory' => $uploadDir . '/math', + 'wgDefaultLanguageVariant' => $variant, + 'wgLinkHolderBatchSize' => $linkHolderBatchSize, + ); + + if ( $config ) { + $configLines = explode( "\n", $config ); + + foreach ( $configLines as $line ) { + list( $var, $value ) = explode( '=', $line, 2 ); + + $settings[$var] = eval( "return $value;" ); //??? + } + } + + $this->savedGlobals = array(); + + /** @since 1.20 */ + wfRunHooks( 'ParserTestGlobals', array( &$settings ) ); + + $langObj = Language::factory( $lang ); + $settings['wgContLang'] = $langObj; + $settings['wgLang'] = $langObj; + + $context = new RequestContext(); + $settings['wgOut'] = $context->getOutput(); + $settings['wgUser'] = $context->getUser(); + $settings['wgRequest'] = $context->getRequest(); + + foreach ( $settings as $var => $val ) { + if ( array_key_exists( $var, $GLOBALS ) ) { + $this->savedGlobals[$var] = $GLOBALS[$var]; + } + + $GLOBALS[$var] = $val; + } + + MagicWord::clearCache(); + + # The entries saved into RepoGroup cache with previous globals will be wrong. + RepoGroup::destroySingleton(); + FileBackendGroup::destroySingleton(); + + # Create dummy files in storage + $this->setupUploads(); + + # Publish the articles after we have the final language set + $this->publishTestArticles(); + + MessageCache::destroyInstance(); + + return $context; + } + + /** + * Get an FS upload directory (only applies to FSFileBackend) + * + * @return String: the directory + */ + protected function getUploadDir() { + if ( $this->keepUploads ) { + $dir = wfTempDir() . '/mwParser-images'; + + if ( is_dir( $dir ) ) { + return $dir; + } + } else { + $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images"; + } + + // wfDebug( "Creating upload directory $dir\n" ); + if ( file_exists( $dir ) ) { + wfDebug( "Already exists!\n" ); + + return $dir; + } + + return $dir; + } + + /** + * Create a dummy uploads directory which will contain a couple + * of files in order to pass existence tests. + * + * @return String: the directory + */ + protected function setupUploads() { + global $IP; + + $base = $this->getBaseDir(); + $backend = RepoGroup::singleton()->getLocalRepo()->getBackend(); + $backend->prepare( array( 'dir' => "$base/local-public/3/3a" ) ); + $backend->store( array( + 'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/3/3a/Foobar.jpg" + ) ); + $backend->prepare( array( 'dir' => "$base/local-public/e/ea" ) ); + $backend->store( array( + 'src' => "$IP/skins/monobook/wiki.png", 'dst' => "$base/local-public/e/ea/Thumb.png" + ) ); + $backend->prepare( array( 'dir' => "$base/local-public/0/09" ) ); + $backend->store( array( + 'src' => "$IP/skins/monobook/headbg.jpg", 'dst' => "$base/local-public/0/09/Bad.jpg" + ) ); + + // No helpful SVG file to copy, so make one ourselves + $tmpDir = wfTempDir(); + $tempFsFile = new TempFSFile( "$tmpDir/Foobar.svg" ); + $tempFsFile->autocollect(); // destroy file when $tempFsFile leaves scope + file_put_contents( "$tmpDir/Foobar.svg", + '<?xml version="1.0" encoding="utf-8"?>' . + '<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200"><text>Foo</text></svg>' ); + + $backend->prepare( array( 'dir' => "$base/local-public/f/ff" ) ); + $backend->quickStore( array( + 'src' => "$tmpDir/Foobar.svg", 'dst' => "$base/local-public/f/ff/Foobar.svg" + ) ); + } + + /** + * Restore default values and perform any necessary clean-up + * after each test runs. + */ + protected function teardownGlobals() { + $this->teardownUploads(); + + foreach ( $this->savedGlobals as $var => $val ) { + $GLOBALS[$var] = $val; + } + } + + /** + * Remove the dummy uploads directory + */ + private function teardownUploads() { + if ( $this->keepUploads ) { + return; + } + + $backend = RepoGroup::singleton()->getLocalRepo()->getBackend(); + if ( $backend instanceof MockFileBackend ) { + # In memory backend, so dont bother cleaning them up. + return; + } + + $base = $this->getBaseDir(); + // delete the files first, then the dirs. + self::deleteFiles( + array( + "$base/local-public/3/3a/Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/180px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/200px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/640px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/120px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/20px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/270px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/300px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/30px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/360px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/400px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/40px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/70px-Foobar.jpg", + "$base/local-thumb/3/3a/Foobar.jpg/960px-Foobar.jpg", + + "$base/local-public/e/ea/Thumb.png", + + "$base/local-public/0/09/Bad.jpg", + + "$base/local-public/f/ff/Foobar.svg", + "$base/local-thumb/f/ff/Foobar.svg/180px-Foobar.svg.jpg", + "$base/local-thumb/f/ff/Foobar.svg/270px-Foobar.svg.jpg", + "$base/local-thumb/f/ff/Foobar.svg/360px-Foobar.svg.jpg", + "$base/local-thumb/f/ff/Foobar.svg/langde-180px-Foobar.svg.jpg", + "$base/local-thumb/f/ff/Foobar.svg/langde-270px-Foobar.svg.jpg", + "$base/local-thumb/f/ff/Foobar.svg/langde-360px-Foobar.svg.jpg", + + "$base/local-public/math/f/a/5/fa50b8b616463173474302ca3e63586b.png", + ) + ); + } + + /** + * Delete the specified files, if they exist. + * @param $files Array: full paths to files to delete. + */ + private static function deleteFiles( $files ) { + $backend = RepoGroup::singleton()->getLocalRepo()->getBackend(); + foreach ( $files as $file ) { + $backend->delete( array( 'src' => $file ), array( 'force' => 1 ) ); + } + foreach ( $files as $file ) { + $tmp = $file; + while ( $tmp = FileBackend::parentStoragePath( $tmp ) ) { + if ( !$backend->clean( array( 'dir' => $tmp ) )->isOK() ) { + break; + } + } + } + } + + protected function getBaseDir() { + return 'mwstore://local-backend'; + } + + public function parserTestProvider() { + if ( $this->file === false ) { + global $wgParserTestFiles; + $this->file = $wgParserTestFiles[0]; + } + + return new TestFileIterator( $this->file, $this ); + } + + /** + * Set the file from whose tests will be run by this instance + */ + public function setParserTestFile( $filename ) { + $this->file = $filename; + } + + /** + * @group medium + * @dataProvider parserTestProvider + */ + public function testParserTest( $desc, $input, $result, $opts, $config ) { + if ( $this->regex != '' && !preg_match( '/' . $this->regex . '/', $desc ) ) { + $this->assertTrue( true ); // XXX: don't flood output with "test made no assertions" + //$this->markTestSkipped( 'Filtered out by the user' ); + return; + } + + if ( !$this->isWikitextNS( NS_MAIN ) ) { + // parser tests frequently assume that the main namespace contains wikitext. + // @todo When setting up pages, force the content model. Only skip if + // $wgtContentModelUseDB is false. + $this->markTestSkipped( "Main namespace does not support wikitext," + . "skipping parser test: $desc" ); + } + + wfDebug( "Running parser test: $desc\n" ); + + $opts = $this->parseOptions( $opts ); + $context = $this->setupGlobals( $opts, $config ); + + $user = $context->getUser(); + $options = ParserOptions::newFromContext( $context ); + + if ( isset( $opts['title'] ) ) { + $titleText = $opts['title']; + } else { + $titleText = 'Parser test'; + } + + $local = isset( $opts['local'] ); + $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null; + $parser = $this->getParser( $preprocessor ); + + $title = Title::newFromText( $titleText ); + + # Parser test requiring math. Make sure texvc is executable + # or just skip such tests. + if ( isset( $opts['math'] ) || isset( $opts['texvc'] ) ) { + global $wgTexvc; + + if ( !isset( $wgTexvc ) ) { + $this->markTestSkipped( "SKIPPED: \$wgTexvc is not set" ); + } elseif ( !is_executable( $wgTexvc ) ) { + $this->markTestSkipped( "SKIPPED: texvc binary does not exist" + . " or is not executable.\n" + . "Current configuration is:\n\$wgTexvc = '$wgTexvc'" ); + } + } + + if ( isset( $opts['pst'] ) ) { + $out = $parser->preSaveTransform( $input, $title, $user, $options ); + } elseif ( isset( $opts['msg'] ) ) { + $out = $parser->transformMsg( $input, $options, $title ); + } elseif ( isset( $opts['section'] ) ) { + $section = $opts['section']; + $out = $parser->getSection( $input, $section ); + } elseif ( isset( $opts['replace'] ) ) { + $section = $opts['replace'][0]; + $replace = $opts['replace'][1]; + $out = $parser->replaceSection( $input, $section, $replace ); + } elseif ( isset( $opts['comment'] ) ) { + $out = Linker::formatComment( $input, $title, $local ); + } elseif ( isset( $opts['preload'] ) ) { + $out = $parser->getPreloadText( $input, $title, $options ); + } else { + $output = $parser->parse( $input, $title, $options, true, true, 1337 ); + $output->setTOCEnabled( !isset( $opts['notoc'] ) ); + $out = $output->getText(); + + if ( isset( $opts['showtitle'] ) ) { + if ( $output->getTitleText() ) { + $title = $output->getTitleText(); + } + + $out = "$title\n$out"; + } + + if ( isset( $opts['ill'] ) ) { + $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) ); + } elseif ( isset( $opts['cat'] ) ) { + $outputPage = $context->getOutput(); + $outputPage->addCategoryLinks( $output->getCategories() ); + $cats = $outputPage->getCategoryLinks(); + + if ( isset( $cats['normal'] ) ) { + $out = $this->tidy( implode( ' ', $cats['normal'] ) ); + } else { + $out = ''; + } + } + $parser->mPreprocessor = null; + + $result = $this->tidy( $result ); + } + + $this->teardownGlobals(); + + $this->assertEquals( $result, $out, $desc ); + } + + /** + * Run a fuzz test series + * Draw input from a set of test files + * + * @todo fixme Needs some work to not eat memory until the world explodes + * + * @group ParserFuzz + */ + public function testFuzzTests() { + global $wgParserTestFiles; + + $files = $wgParserTestFiles; + + if ( $this->getCliArg( 'file=' ) ) { + $files = array( $this->getCliArg( 'file=' ) ); + } + + $dict = $this->getFuzzInput( $files ); + $dictSize = strlen( $dict ); + $logMaxLength = log( $this->maxFuzzTestLength ); + + ini_set( 'memory_limit', $this->memoryLimit * 1048576 ); + + $user = new User; + $opts = ParserOptions::newFromUser( $user ); + $title = Title::makeTitle( NS_MAIN, 'Parser_test' ); + + $id = 1; + + while ( true ) { + + // Generate test input + mt_srand( ++$this->fuzzSeed ); + $totalLength = mt_rand( 1, $this->maxFuzzTestLength ); + $input = ''; + + while ( strlen( $input ) < $totalLength ) { + $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength; + $hairLength = min( intval( exp( $logHairLength ) ), $dictSize ); + $offset = mt_rand( 0, $dictSize - $hairLength ); + $input .= substr( $dict, $offset, $hairLength ); + } + + $this->setupGlobals(); + $parser = $this->getParser(); + + // Run the test + try { + $parser->parse( $input, $title, $opts ); + $this->assertTrue( true, "Test $id, fuzz seed {$this->fuzzSeed}" ); + } catch ( Exception $exception ) { + $input_dump = sprintf( "string(%d) \"%s\"\n", strlen( $input ), $input ); + + $this->assertTrue( false, "Test $id, fuzz seed {$this->fuzzSeed}. \n\n" . + "Input: $input_dump\n\nError: {$exception->getMessage()}\n\n" . + "Backtrace: {$exception->getTraceAsString()}" ); + } + + $this->teardownGlobals(); + $parser->__destruct(); + + if ( $id % 100 == 0 ) { + $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 ); + //echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n"; + if ( $usage > 90 ) { + $ret = "Out of memory:\n"; + $memStats = $this->getMemoryBreakdown(); + + foreach ( $memStats as $name => $usage ) { + $ret .= "$name: $usage\n"; + } + + throw new MWException( $ret ); + } + } + + $id++; + } + } + + //Various getter functions + + /** + * Get an input dictionary from a set of parser test files + */ + function getFuzzInput( $filenames ) { + $dict = ''; + + foreach ( $filenames as $filename ) { + $contents = file_get_contents( $filename ); + preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches ); + + foreach ( $matches[1] as $match ) { + $dict .= $match . "\n"; + } + } + + return $dict; + } + + /** + * Get a memory usage breakdown + */ + function getMemoryBreakdown() { + $memStats = array(); + + foreach ( $GLOBALS as $name => $value ) { + $memStats['$' . $name] = strlen( serialize( $value ) ); + } + + $classes = get_declared_classes(); + + foreach ( $classes as $class ) { + $rc = new ReflectionClass( $class ); + $props = $rc->getStaticProperties(); + $memStats[$class] = strlen( serialize( $props ) ); + $methods = $rc->getMethods(); + + foreach ( $methods as $method ) { + $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) ); + } + } + + $functions = get_defined_functions(); + + foreach ( $functions['user'] as $function ) { + $rf = new ReflectionFunction( $function ); + $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) ); + } + + asort( $memStats ); + + return $memStats; + } + + /** + * Get a Parser object + */ + function getParser( $preprocessor = null ) { + global $wgParserConf; + + $class = $wgParserConf['class']; + $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf ); + + wfRunHooks( 'ParserTestParser', array( &$parser ) ); + + return $parser; + } + + //Various action functions + + public function addArticle( $name, $text, $line ) { + self::$articles[$name] = array( $text, $line ); + } + + public function publishTestArticles() { + if ( empty( self::$articles ) ) { + return; + } + + foreach ( self::$articles as $name => $info ) { + list( $text, $line ) = $info; + ParserTest::addArticle( $name, $text, $line, 'ignoreduplicate' ); + } + } + + /** + * Steal a callback function from the primary parser, save it for + * application to our scary parser. If the hook is not installed, + * abort processing of this file. + * + * @param $name String + * @return Bool true if tag hook is present + */ + public function requireHook( $name ) { + global $wgParser; + $wgParser->firstCallInit(); // make sure hooks are loaded. + return isset( $wgParser->mTagHooks[$name] ); + } + + public function requireFunctionHook( $name ) { + global $wgParser; + $wgParser->firstCallInit(); // make sure hooks are loaded. + return isset( $wgParser->mFunctionHooks[$name] ); + } + + //Various "cleanup" functions + + /** + * Run the "tidy" command on text if the $wgUseTidy + * global is true + * + * @param $text String: the text to tidy + * @return String + */ + protected function tidy( $text ) { + global $wgUseTidy; + + if ( $wgUseTidy ) { + $text = MWTidy::tidy( $text ); + } + + return $text; + } + + /** + * Remove last character if it is a newline + */ + public function removeEndingNewline( $s ) { + if ( substr( $s, -1 ) === "\n" ) { + return substr( $s, 0, -1 ); + } else { + return $s; + } + } + + //Test options parser functions + + protected function parseOptions( $instring ) { + $opts = array(); + // foo + // foo=bar + // foo="bar baz" + // foo=[[bar baz]] + // foo=bar,"baz quux" + $regex = '/\b + ([\w-]+) # Key + \b + (?:\s* + = # First sub-value + \s* + ( + " + [^"]* # Quoted val + " + | + \[\[ + [^]]* # Link target + \]\] + | + [\w-]+ # Plain word + ) + (?:\s* + , # Sub-vals 1..N + \s* + ( + "[^"]*" # Quoted val + | + \[\[[^]]*\]\] # Link target + | + [\w-]+ # Plain word + ) + )* + )? + /x'; + + if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) { + foreach ( $matches as $bits ) { + array_shift( $bits ); + $key = strtolower( array_shift( $bits ) ); + if ( count( $bits ) == 0 ) { + $opts[$key] = true; + } elseif ( count( $bits ) == 1 ) { + $opts[$key] = $this->cleanupOption( array_shift( $bits ) ); + } else { + // Array! + $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits ); + } + } + } + + return $opts; + } + + protected function cleanupOption( $opt ) { + if ( substr( $opt, 0, 1 ) == '"' ) { + return substr( $opt, 1, -1 ); + } + + if ( substr( $opt, 0, 2 ) == '[[' ) { + return substr( $opt, 2, -2 ); + } + + return $opt; + } + + /** + * Use a regex to find out the value of an option + * @param $key String: name of option val to retrieve + * @param $opts Options array to look in + * @param $default Mixed: default value returned if not found + */ + protected static function getOptionValue( $key, $opts, $default ) { + $key = strtolower( $key ); + + if ( isset( $opts[$key] ) ) { + return $opts[$key]; + } else { + return $default; + } + } +} |