Revert r35538:
[lhc/web/wiklou.git] / maintenance / parserTests.inc
index c58c8aa..a005813 100644 (file)
 #
 # You should have received a copy of the GNU General Public License along
 # with this program; if not, write to the Free Software Foundation, Inc.,
-# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 # http://www.gnu.org/copyleft/gpl.html
 
 /**
  * @todo Make this more independent of the configuration (and if possible the database)
  * @todo document
- * @package MediaWiki
- * @subpackage Maintenance
+ * @file
+ * @ingroup Maintenance
  */
 
 /** */
-$options = array( 'quick', 'color', 'quiet', 'help' );
+$options = array( 'quick', 'color', 'quiet', 'help', 'show-output', 'record' );
 $optionsWithArgs = array( 'regex' );
 
 require_once( 'commandLine.inc' );
-require_once( "$IP/includes/ObjectCache.php" );
-require_once( "$IP/includes/BagOStuff.php" );
-require_once( "$IP/languages/LanguageUtf8.php" );
-require_once( "$IP/includes/Hooks.php" );
 require_once( "$IP/maintenance/parserTestsParserHook.php" );
+require_once( "$IP/maintenance/parserTestsStaticParserHook.php" );
+require_once( "$IP/maintenance/parserTestsParserTime.php" );
 
 /**
- * @package MediaWiki
- * @subpackage Maintenance
+ * @ingroup Maintenance
  */
 class ParserTest {
        /**
         * boolean $color whereas output should be colorized
-        * @access private
         */
-       var $color;
+       private $color;
 
        /**
-        * boolean $lightcolor whereas output should use light colors
-        * @access private
+        * boolean $showOutput Show test output
         */
-       var $lightcolor;
+       private $showOutput;
 
        /**
         * Sets terminal colorization and diff/quick modes depending on OS and
         * command-line options (--color and --quick).
-        *
-        * @access public
         */
-       function ParserTest() {
+       public function ParserTest() {
                global $options;
 
                # Only colorize output if stdout is a terminal.
-               $this->lightcolor = false;
                $this->color = !wfIsWindows() && posix_isatty(1);
 
                if( isset( $options['color'] ) ) {
@@ -70,19 +62,25 @@ class ParserTest {
                        case 'no':
                                $this->color = false;
                                break;
-                       case 'light':
-                               $this->lightcolor = true;
-                               # Fall through
                        case 'yes':
                        default:
                                $this->color = true;
                                break;
                        }
                }
+               $this->term = $this->color
+                       ? new AnsiTermColorer()
+                       : new DummyTermColorer();
 
                $this->showDiffs = !isset( $options['quick'] );
+               $this->showProgress = !isset( $options['quiet'] );
+               $this->showFailure = !(
+                       isset( $options['quiet'] )
+                       && ( isset( $options['record'] )
+                               || isset( $options['compare'] ) ) ); // redundant output
+               
+               $this->showOutput = isset( $options['show-output'] );
 
-               $this->quiet = isset( $options['quiet'] );
 
                if (isset($options['regex'])) {
                        $this->regex = $options['regex'];
@@ -90,13 +88,24 @@ class ParserTest {
                        # Matches anything
                        $this->regex = '';
                }
+
+               if( isset( $options['record'] ) ) {
+                       $this->recorder = new DbTestRecorder( $this->term );
+               } elseif( isset( $options['compare'] ) ) {
+                       $this->recorder = new DbTestPreviewer( $this->term );
+               } else {
+                       $this->recorder = new TestRecorder( $this->term );
+               }
+               $this->keepUploads = isset( $options['keep-uploads'] );
+
+               $this->hooks = array();
+               $this->functionHooks = array();
        }
 
        /**
         * Remove last character if it is a newline
-        * @access private
         */
-       function chomp($s) {
+       private function chomp($s) {
                if (substr($s, -1) === "\n") {
                        return substr($s, 0, -1);
                }
@@ -106,53 +115,95 @@ class ParserTest {
        }
 
        /**
-        * Run a series of tests listed in the given text file.
+        * Run a series of tests listed in the given text files.
         * Each test consists of a brief description, wikitext input,
         * and the expected HTML output.
         *
         * Prints status updates on stdout and counts up the total
         * number and percentage of passed tests.
         *
-        * @param string $filename
+        * @param array of strings $filenames
         * @return bool True if passed all tests, false if any tests failed.
-        * @access public
         */
-       function runTestsFromFile( $filename ) {
+       public function runTestsFromFiles( $filenames ) {
+               $this->recorder->start();
+               $ok = true;
+               foreach( $filenames as $filename ) {
+                       $ok = $this->runFile( $filename ) && $ok;
+               }
+               $this->recorder->report();
+               $this->recorder->end();
+               return $ok;
+       }
+
+       private function runFile( $filename ) {
                $infile = fopen( $filename, 'rt' );
                if( !$infile ) {
-                       die( "Couldn't open parserTests.txt\n" );
+                       wfDie( "Couldn't open $filename\n" );
+               } else {
+                       global $IP;
+                       $relative = wfRelativePath( $filename, $IP );
+                       $this->showRunFile( $relative );
                }
 
                $data = array();
                $section = null;
-               $success = 0;
-               $total = 0;
                $n = 0;
+               $ok = true;
                while( false !== ($line = fgets( $infile ) ) ) {
                        $n++;
+                       $matches = array();
                        if( preg_match( '/^!!\s*(\w+)/', $line, $matches ) ) {
                                $section = strtolower( $matches[1] );
                                if( $section == 'endarticle') {
                                        if( !isset( $data['text'] ) ) {
-                                               die( "'endarticle' without 'text' at line $n\n" );
+                                               wfDie( "'endarticle' without 'text' at line $n of $filename\n" );
                                        }
                                        if( !isset( $data['article'] ) ) {
-                                               die( "'endarticle' without 'article' at line $n\n" );
+                                               wfDie( "'endarticle' without 'article' at line $n of $filename\n" );
                                        }
                                        $this->addArticle($this->chomp($data['article']), $this->chomp($data['text']), $n);
                                        $data = array();
                                        $section = null;
                                        continue;
                                }
+                               if( $section == 'endhooks' ) {
+                                       if( !isset( $data['hooks'] ) ) {
+                                               wfDie( "'endhooks' without 'hooks' at line $n of $filename\n" );
+                                       }
+                                       foreach( explode( "\n", $data['hooks'] ) as $line ) {
+                                               $line = trim( $line );
+                                               if( $line ) {
+                                                       $this->requireHook( $line );
+                                               }
+                                       }
+                                       $data = array();
+                                       $section = null;
+                                       continue;
+                               }
+                               if( $section == 'endfunctionhooks' ) {
+                                       if( !isset( $data['functionhooks'] ) ) {
+                                               wfDie( "'endfunctionhooks' without 'functionhooks' at line $n of $filename\n" );
+                                       }
+                                       foreach( explode( "\n", $data['functionhooks'] ) as $line ) {
+                                               $line = trim( $line );
+                                               if( $line ) {
+                                                       $this->requireFunctionHook( $line );
+                                               }
+                                       }
+                                       $data = array();
+                                       $section = null;
+                                       continue;
+                               }
                                if( $section == 'end' ) {
                                        if( !isset( $data['test'] ) ) {
-                                               die( "'end' without 'test' at line $n\n" );
+                                               wfDie( "'end' without 'test' at line $n of $filename\n" );
                                        }
                                        if( !isset( $data['input'] ) ) {
-                                               die( "'end' without 'input' at line $n\n" );
+                                               wfDie( "'end' without 'input' at line $n of $filename\n" );
                                        }
                                        if( !isset( $data['result'] ) ) {
-                                               die( "'end' without 'result' at line $n\n" );
+                                               wfDie( "'end' without 'result' at line $n of $filename\n" );
                                        }
                                        if( !isset( $data['options'] ) ) {
                                                $data['options'] = '';
@@ -167,20 +218,19 @@ class ParserTest {
                                                $section = null;
                                                continue;
                                        }
-                                       if( $this->runTest(
+                                       $result = $this->runTest(
                                                $this->chomp( $data['test'] ),
                                                $this->chomp( $data['input'] ),
                                                $this->chomp( $data['result'] ),
-                                               $this->chomp( $data['options'] ) ) ) {
-                                               $success++;
-                                       }
-                                       $total++;
+                                               $this->chomp( $data['options'] ) );
+                                       $ok = $ok && $result;
+                                       $this->recorder->record( $this->chomp( $data['test'] ), $result );
                                        $data = array();
                                        $section = null;
                                        continue;
                                }
                                if ( isset ($data[$section] ) ) {
-                                       die ( "duplicate section '$section' at line $n\n" );
+                                       wfDie( "duplicate section '$section' at line $n of $filename\n" );
                                }
                                $data[$section] = '';
                                continue;
@@ -189,19 +239,10 @@ class ParserTest {
                                $data[$section] .= $line;
                        }
                }
-               if( $total > 0 ) {
-                       $ratio = wfPercent( 100 * $success / $total );
-                       print $this->termColor( 1 ) . "\nPassed $success of $total tests ($ratio) ";
-                       if( $success == $total ) {
-                               print $this->termColor( 32 ) . "PASSED!";
-                       } else {
-                               print $this->termColor( 31 ) . "FAILED!";
-                       }
-                       print $this->termReset() . "\n";
-                       return ($success == $total);
-               } else {
-                       die( "No tests found.\n" );
+               if ( $this->showProgress ) {
+                       print "\n";
                }
+               return $ok;
        }
 
        /**
@@ -213,23 +254,23 @@ class ParserTest {
         * @param string $result Result to output
         * @return bool
         */
-       function runTest( $desc, $input, $result, $opts ) {
-               if( !$this->quiet ) {
+       private function runTest( $desc, $input, $result, $opts ) {
+               global $wgParserConf;
+               if( $this->showProgress ) {
                        $this->showTesting( $desc );
                }
 
                $this->setupGlobals($opts);
 
-               $user =& new User();
+               $user = new User();
                $options = ParserOptions::newFromUser( $user );
 
                if (preg_match('/\\bmath\\b/i', $opts)) {
                        # XXX this should probably be done by the ParserOptions
-                       require_once('Math.php');
-
                        $options->setUseTex(true);
                }
 
+               $m = array();
                if (preg_match('/title=\[\[(.*)\]\]/', $opts, $m)) {
                        $titleText = $m[1];
                }
@@ -237,22 +278,44 @@ class ParserTest {
                        $titleText = 'Parser test';
                }
 
-               $parser =& new Parser();
+               $noxml = (bool)preg_match( '~\\b noxml \\b~x', $opts );
+
+               $class = $wgParserConf['class'];
+               $parser = new $class( $wgParserConf );
+               foreach( $this->hooks as $tag => $callback ) {
+                       $parser->setHook( $tag, $callback );
+               }
+               foreach( $this->functionHooks as $tag => $bits ) {
+                       list( $callback, $flags ) = $bits;
+                       $parser->setFunctionHook( $tag, $callback, $flags );
+               }
                wfRunHooks( 'ParserTestParser', array( &$parser ) );
+
                $title =& Title::makeTitle( NS_MAIN, $titleText );
 
+               $matches = array();
                if (preg_match('/\\bpst\\b/i', $opts)) {
                        $out = $parser->preSaveTransform( $input, $title, $user, $options );
                } elseif (preg_match('/\\bmsg\\b/i', $opts)) {
                        $out = $parser->transformMsg( $input, $options );
+               } elseif( preg_match( '/\\bsection=([\w-]+)\b/i', $opts, $matches ) ) {
+                       $section = $matches[1];
+                       $out = $parser->getSection( $input, $section );
+               } elseif( preg_match( '/\\breplace=([\w-]+),"(.*?)"/i', $opts, $matches ) ) {
+                       $section = $matches[1];
+                       $replace = $matches[2];
+                       $out = $parser->replaceSection( $input, $section, $replace );
                } else {
-                       $output = $parser->parse( $input, $title, $options );
+                       $output = $parser->parse( $input, $title, $options, true, true, 1337 );
                        $out = $output->getText();
 
                        if (preg_match('/\\bill\\b/i', $opts)) {
                                $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
                        } else if (preg_match('/\\bcat\\b/i', $opts)) {
-                               $out = $this->tidy ( implode( ' ', $output->getCategoryLinks() ) );
+                               global $wgOut;
+                               $wgOut->addCategoryLinks($output->getCategories());
+                               $cats = $wgOut->getCategoryLinks();
+                               $out = $this->tidy( implode( ' ', $cats['normal'] ) );
                        }
 
                        $result = $this->tidy($result);
@@ -260,22 +323,36 @@ class ParserTest {
 
                $this->teardownGlobals();
 
-               if( $result === $out && $this->wellFormed( $out ) ) {
+               if( $result === $out && ( $noxml === true || $this->wellFormed( $out ) ) ) {
                        return $this->showSuccess( $desc );
                } else {
                        return $this->showFailure( $desc, $result, $out );
                }
        }
 
+
+       /**
+        * Use a regex to find out the value of an option
+        * @param $regex A regex, the first group will be the value returned
+        * @param $opts Options line to look in
+        * @param $defaults Default value returned if the regex does not match
+        */
+       private static function getOptionValue( $regex, $opts, $default ) {
+               $m = array();
+               if( preg_match( $regex, $opts, $m ) ) {
+                       return $m[1];
+               } else {
+                       return $default;
+               }
+       }
+
        /**
         * Set up the global variables for a consistent environment for each test.
         * Ideally this should replace the global configuration entirely.
-        *
-        * @access private
         */
-       function setupGlobals($opts = '') {
+       private function setupGlobals($opts = '') {
                # Save the prefixed / quoted table names for later use when we make the temporaries.
-               $db =& wfGetDB( DB_READ );
+               $db = wfGetDB( DB_SLAVE );
                $this->oldTableNames = array();
                foreach( $this->listTables() as $table ) {
                        $this->oldTableNames[$table] = $db->tableName( $table );
@@ -284,80 +361,121 @@ class ParserTest {
                        $this->uploadDir = $this->setupUploadDir();
                }
 
+               # Find out values for some special options.
+               $lang =
+                       self::getOptionValue( '/language=([a-z]+(?:_[a-z]+)?)/', $opts, 'en' );
+               $variant =
+                       self::getOptionValue( '/variant=([a-z]+(?:-[a-z]+)?)/', $opts, false );
+               $maxtoclevel =
+                       self::getOptionValue( '/wgMaxTocLevel=(\d+)/', $opts, 999 );
+
                $settings = array(
                        'wgServer' => 'http://localhost',
                        'wgScript' => '/index.php',
                        'wgScriptPath' => '/',
                        'wgArticlePath' => '/wiki/$1',
-                       'wgUploadPath' => 'http://example.com/images',
-                       'wgUploadDirectory' => $this->uploadDir,
+                       'wgActionPaths' => array(),
+                       'wgLocalFileRepo' => array(
+                               'class' => 'LocalRepo',
+                               'name' => 'local',
+                               'directory' => $this->uploadDir,
+                               'url' => 'http://example.com/images',
+                               'hashLevels' => 2,
+                               'transformVia404' => false,
+                       ),
+                       'wgEnableUploads' => true,
                        'wgStyleSheetPath' => '/skins',
                        'wgSitename' => 'MediaWiki',
-                       'wgLanguageCode' => 'en',
-                       'wgContLanguageCode' => 'en',
-                       'wgDBprefix' => 'parsertest',
-                       'wgDefaultUserOptions' => array(),
-
-                       'wgLang' => new LanguageUtf8(),
-                       'wgContLang' => new LanguageUtf8(),
+                       'wgServerName' => 'Britney Spears',
+                       'wgLanguageCode' => $lang,
+                       'wgContLanguageCode' => $lang,
+                       'wgDBprefix' => 'parsertest_',
+                       'wgRawHtml' => preg_match('/\\brawhtml\\b/i', $opts),
+                       'wgLang' => null,
+                       'wgContLang' => null,
                        'wgNamespacesWithSubpages' => array( 0 => preg_match('/\\bsubpage\\b/i', $opts)),
-                       'wgMaxTocLevel' => 999,
+                       'wgMaxTocLevel' => $maxtoclevel,
                        'wgCapitalLinks' => true,
-                       'wgDefaultUserOptions' => array(),
                        'wgNoFollowLinks' => true,
                        'wgThumbnailScriptPath' => false,
                        'wgUseTeX' => false,
+                       'wgLocaltimezone' => 'UTC',
+                       'wgAllowExternalImages' => true,
+                       'wgUseTidy' => false,
+                       'wgDefaultLanguageVariant' => $variant,
+                       'wgVariantArticlePath' => false,
+                       'wgGroupPermissions' => array( '*' => array(
+                               'createaccount' => true,
+                               'read'          => true,
+                               'edit'          => true,
+                               'createpage'    => true,
+                               'createtalk'    => true,
+                       ) ),
+                       'wgDefaultExternalStore' => array(),
                        );
                $this->savedGlobals = array();
                foreach( $settings as $var => $val ) {
                        $this->savedGlobals[$var] = $GLOBALS[$var];
                        $GLOBALS[$var] = $val;
                }
-               $GLOBALS['wgLoadBalancer']->loadMasterPos();
-               $GLOBALS['wgMessageCache']->initialise( new BagOStuff(), false, 0, $GLOBALS['wgDBname'] );
+               $langObj = Language::factory( $lang );
+               $GLOBALS['wgLang'] = $langObj;
+               $GLOBALS['wgContLang'] = $langObj;
+
+               //$GLOBALS['wgMessageCache'] = new MessageCache( new BagOStuff(), false, 0, $GLOBALS['wgDBname'] );
                $this->setupDatabase();
 
                global $wgUser;
                $wgUser = new User();
        }
 
-       # List of temporary tables to create, without prefix
-       # Some of these probably aren't necessary
-       function listTables() {
-               return array('user', 'page', 'revision', 'text',
-                       'pagelinks', 'imagelinks', 'categorylinks', 'templatelinks',
-                       'site_stats', 'hitcounter',
-                       'ipblocks', 'image', 'oldimage',
-                       'recentchanges',
-                       'watchlist', 'math', 'searchindex',
-                       'interwiki', 'querycache',
-                       'objectcache'
+       /**
+        * List of temporary tables to create, without prefix.
+        * Some of these probably aren't necessary.
+        */
+       private function listTables() {
+               global $wgDBtype;
+               $tables = array('user', 'page', 'page_restrictions',
+                       'protected_titles', 'revision', 'text', 'pagelinks', 'imagelinks',
+                       'categorylinks', 'templatelinks', 'externallinks', 'langlinks',
+                       'site_stats', 'hitcounter',     'ipblocks', 'image', 'oldimage',
+                       'recentchanges', 'watchlist', 'math', 'interwiki',
+                       'querycache', 'objectcache', 'job', 'redirect', 'querycachetwo',
+                       'archive', 'user_groups', 'page_props', 'category'
                );
+
+               if ($wgDBtype === 'mysql') 
+                       array_push( $tables, 'searchindex' );
+               
+               // Allow extensions to add to the list of tables to duplicate;
+               // may be necessary if they hook into page save or other code
+               // which will require them while running tests.
+               wfRunHooks( 'ParserTestTables', array( &$tables ) );
+
+               return $tables;
        }
 
        /**
         * Set up a temporary set of wiki tables to work with for the tests.
         * Currently this will only be done once per run, and any changes to
         * the db will be visible to later tests in the run.
-        *
-        * @access private
         */
-       function setupDatabase() {
+       private function setupDatabase() {
                static $setupDB = false;
                global $wgDBprefix;
 
                # Make sure we don't mess with the live DB
-               if (!$setupDB && $wgDBprefix === 'parsertest') {
+               if (!$setupDB && $wgDBprefix === 'parsertest_') {
                        # oh teh horror
-                       $GLOBALS['wgLoadBalancer'] = LoadBalancer::newFromParams( $GLOBALS['wgDBservers'] );
-                       $db =& wfGetDB( DB_MASTER );
+                       LBFactory::destroy();
+                       $db = wfGetDB( DB_MASTER );
 
                        $tables = $this->listTables();
 
                        if (!(strcmp($db->getServerVersion(), '4.1') < 0 and stristr($db->getSoftwareLink(), 'MySQL'))) {
                                # Database that supports CREATE TABLE ... LIKE
                                global $wgDBtype;
-                               if( $wgDBtype == 'PostgreSQL' ) {
+                               if( $wgDBtype == 'postgres' ) {
                                        $def = 'INCLUDING DEFAULTS';
                                } else {
                                        $def = '';
@@ -380,7 +498,7 @@ class ParserTest {
                                                . $wgDBprefix . $tbl .'`', $create);
                                        if ($create === $create_tmp) {
                                                # Couldn't do replacement
-                                               die("could not create temporary table $tbl");
+                                               wfDie("could not create temporary table $tbl");
                                        }
                                        $db->query($create_tmp);
                                }
@@ -424,8 +542,12 @@ class ParserTest {
                                'img_media_type'  => MEDIATYPE_BITMAP,
                                'img_major_mime'  => "image",
                                'img_minor_mime'  => "jpeg",
+                               'img_metadata'    => serialize( array() ),
                                ) );
 
+                       # Update certain things in site_stats
+                       $db->insert( 'site_stats', array( 'ss_row_id' => 1, 'ss_images' => 1, 'ss_good_articles' => 1 ) );
+
                        $setupDB = true;
                }
        }
@@ -434,34 +556,32 @@ class ParserTest {
         * Create a dummy uploads directory which will contain a couple
         * of files in order to pass existence tests.
         * @return string The directory
-        * @access private
         */
-       function setupUploadDir() {
+       private function setupUploadDir() {
                global $IP;
+               if ( $this->keepUploads ) {
+                       $dir = wfTempDir() . '/mwParser-images';
+                       if ( is_dir( $dir ) ) {
+                               return $dir;
+                       }
+               } else {
+                       $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
+               }
 
-               $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
+               wfDebug( "Creating upload directory $dir\n" );
                mkdir( $dir );
                mkdir( $dir . '/3' );
                mkdir( $dir . '/3/3a' );
-
-               $img = "$IP/skins/monobook/headbg.jpg";
-               $h = fopen($img, 'r');
-               $c = fread($h, filesize($img));
-               fclose($h);
-
-               $f = fopen( $dir . '/3/3a/Foobar.jpg', 'wb' );
-               fwrite( $f, $c );
-               fclose( $f );
+               copy( "$IP/skins/monobook/headbg.jpg", "$dir/3/3a/Foobar.jpg" );
                return $dir;
        }
 
        /**
         * Restore default values and perform any necessary clean-up
         * after each test runs.
-        *
-        * @access private
         */
-       function teardownGlobals() {
+       private function teardownGlobals() {
+               RepoGroup::destroySingleton();
                foreach( $this->savedGlobals as $var => $val ) {
                        $GLOBALS[$var] = $val;
                }
@@ -473,27 +593,66 @@ class ParserTest {
 
        /**
         * Remove the dummy uploads directory
-        * @access private
         */
-       function teardownUploadDir( $dir ) {
-               unlink( "$dir/3/3a/Foobar.jpg" );
-               rmdir( "$dir/3/3a" );
-               rmdir( "$dir/3" );
+       private function teardownUploadDir( $dir ) {
+               if ( $this->keepUploads ) {
+                       return;
+               }
+
+               // delete the files first, then the dirs.
+               self::deleteFiles(
+                       array (
+                               "$dir/3/3a/Foobar.jpg",
+                               "$dir/thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
+                               "$dir/thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
+                               "$dir/thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
+                               "$dir/thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
+                       )
+               );
+
+               self::deleteDirs(
+                       array (
+                               "$dir/3/3a",
+                               "$dir/3",
+                               "$dir/thumb/6/65",
+                               "$dir/thumb/6",
+                               "$dir/thumb/3/3a/Foobar.jpg",
+                               "$dir/thumb/3/3a",
+                               "$dir/thumb/3",
+                               "$dir/thumb",
+                               "$dir",
+                       )
+               );
+       }
+
+       /**
+        * Delete the specified files, if they exist.
+        * @param array $files full paths to files to delete.
+        */
+       private static function deleteFiles( $files ) {
+               foreach( $files as $file ) {
+                       if( file_exists( $file ) ) {
+                               unlink( $file );
+                       }
+               }
+       }
 
-               @unlink( "$dir/thumb/3/3a/Foobar.jpg/180px-Foobar.jpg" );
-               @rmdir( "$dir/thumb/3/3a/Foobar.jpg" );
-               @rmdir( "$dir/thumb/3/3a" );
-               @rmdir( "$dir/thumb/3/39" ); # wtf?
-               @rmdir( "$dir/thumb/3" );
-               @rmdir( "$dir/thumb" );
-               rmdir( "$dir" );
+       /**
+        * Delete the specified directories, if they exist. Must be empty.
+        * @param array $dirs full paths to directories to delete.
+        */
+       private static function deleteDirs( $dirs ) {
+               foreach( $dirs as $dir ) {
+                       if( is_dir( $dir ) ) {
+                               rmdir( $dir );
+                       }
+               }
        }
 
        /**
         * "Running test $desc..."
-        * @access private
         */
-       function showTesting( $desc ) {
+       protected function showTesting( $desc ) {
                print "Running test $desc... ";
        }
 
@@ -502,11 +661,10 @@ class ParserTest {
         *
         * @param string $desc The test name
         * @return bool
-        * @access private
         */
-       function showSuccess( $desc ) {
-               if( !$this->quiet ) {
-                       print $this->termColor( '1;32' ) . 'PASSED' . $this->termReset() . "\n";
+       protected function showSuccess( $desc ) {
+               if( $this->showProgress ) {
+                       print $this->term->color( '1;32' ) . 'PASSED' . $this->term->reset() . "\n";
                }
                return true;
        }
@@ -519,20 +677,24 @@ class ParserTest {
         * @param string $result Expected HTML output
         * @param string $html Actual HTML output
         * @return bool
-        * @access private
         */
-       function showFailure( $desc, $result, $html ) {
-               if( $this->quiet ) {
-                       # In quiet mode we didn't show the 'Testing' message before the
-                       # test, in case it succeeded. Show it now:
-                       $this->showTesting( $desc );
-               }
-               print $this->termColor( '1;31' ) . 'FAILED!' . $this->termReset() . "\n";
-               if( $this->showDiffs ) {
-                       print $this->quickDiff( $result, $html );
-               }
-               if( !$this->wellFormed( $html ) ) {
-                       print "XML error: $this->mXmlError\n";
+       protected function showFailure( $desc, $result, $html ) {
+               if( $this->showFailure ) {
+                       if( !$this->showProgress ) {
+                               # In quiet mode we didn't show the 'Testing' message before the
+                               # test, in case it succeeded. Show it now:
+                               $this->showTesting( $desc );
+                       }
+                       print $this->term->color( '31' ) . 'FAILED!' . $this->term->reset() . "\n";
+                       if ( $this->showOutput ) {
+                               print "--- Expected ---\n$result\n--- Actual ---\n$html\n";
+                       }
+                       if( $this->showDiffs ) {
+                               print $this->quickDiff( $result, $html );
+                               if( !$this->wellFormed( $html ) ) {
+                                       print "XML error: $this->mXmlError\n";
+                               }
+                       }
                }
                return false;
        }
@@ -546,9 +708,8 @@ class ParserTest {
         * @param string $inFileTail Tailing for the input file name
         * @param string $outFileTail Tailing for the output file name
         * @return string
-        * @access private
         */
-       function quickDiff( $input, $output, $inFileTail='expected', $outFileTail='actual' ) {
+       protected function quickDiff( $input, $output, $inFileTail='expected', $outFileTail='actual' ) {
                $prefix = wfTempDir() . "/mwParser-" . mt_rand();
 
                $infile = "$prefix-$inFileTail";
@@ -569,75 +730,56 @@ class ParserTest {
         *
         * @param string $data
         * @param string $filename
-        * @access private
         */
-       function dumpToFile( $data, $filename ) {
+       private function dumpToFile( $data, $filename ) {
                $file = fopen( $filename, "wt" );
                fwrite( $file, $data . "\n" );
                fclose( $file );
        }
 
-       /**
-        * Return ANSI terminal escape code for changing text attribs/color,
-        * or empty string if color output is disabled.
-        *
-        * @param string $color Semicolon-separated list of attribute/color codes
-        * @return string
-        * @access private
-        */
-       function termColor( $color ) {
-               if($this->lightcolor) {
-                       return $this->color ? "\x1b[1;{$color}m" : '';
-               } else {
-                       return $this->color ? "\x1b[{$color}m" : '';
-               }
-       }
-
-       /**
-        * Return ANSI terminal escape code for restoring default text attributes,
-        * or empty string if color output is disabled.
-        *
-        * @return string
-        * @access private
-        */
-       function termReset() {
-               return $this->color ? "\x1b[0m" : '';
-       }
-
        /**
         * Colorize unified diff output if set for ANSI color output.
         * Subtractions are colored blue, additions red.
         *
         * @param string $text
         * @return string
-        * @access private
         */
-       function colorDiff( $text ) {
+       protected function colorDiff( $text ) {
                return preg_replace(
                        array( '/^(-.*)$/m', '/^(\+.*)$/m' ),
-                       array( $this->termColor( 34 ) . '$1' . $this->termReset(),
-                              $this->termColor( 31 ) . '$1' . $this->termReset() ),
+                       array( $this->term->color( 34 ) . '$1' . $this->term->reset(),
+                              $this->term->color( 31 ) . '$1' . $this->term->reset() ),
                        $text );
        }
 
+       /**
+        * Show "Reading tests from ..."
+        *
+        * @param String $path
+        */
+       protected function showRunFile( $path ){
+               print $this->term->color( 1 ) .
+                       "Reading tests from \"$path\"..." .
+                       $this->term->reset() .
+                       "\n";
+       }
+
        /**
         * Insert a temporary test article
         * @param string $name the title, including any prefix
         * @param string $text the article text
         * @param int $line the input line number, for reporting errors
-        * @static
-        * @access private
         */
-       function addArticle($name, $text, $line) {
+       private function addArticle($name, $text, $line) {
                $this->setupGlobals();
                $title = Title::newFromText( $name );
                if ( is_null($title) ) {
-                       die( "invalid title at line $line\n" );
+                       wfDie( "invalid title at line $line\n" );
                }
 
                $aid = $title->getArticleID( GAID_FOR_UPDATE );
                if ($aid != 0) {
-                       die( "duplicate article at line $line\n" );
+                       wfDie( "duplicate article at line $line\n" );
                }
 
                $art = new Article($title);
@@ -645,6 +787,36 @@ class ParserTest {
                $this->teardownGlobals();
        }
 
+       /**
+        * Steal a callback function from the primary parser, save it for
+        * application to our scary parser. If the hook is not installed,
+        * die a painful dead to warn the others.
+        * @param string $name
+        */
+       private function requireHook( $name ) {
+               global $wgParser;
+               if( isset( $wgParser->mTagHooks[$name] ) ) {
+                       $this->hooks[$name] = $wgParser->mTagHooks[$name];
+               } else {
+                       wfDie( "This test suite requires the '$name' hook extension.\n" );
+               }
+       }
+
+       /**
+        * Steal a callback function from the primary parser, save it for
+        * application to our scary parser. If the hook is not installed,
+        * die a painful dead to warn the others.
+        * @param string $name
+        */
+       private function requireFunctionHook( $name ) {
+               global $wgParser;
+               if( isset( $wgParser->mFunctionHooks[$name] ) ) {
+                       $this->functionHooks[$name] = $wgParser->mFunctionHooks[$name];
+               } else {
+                       wfDie( "This test suite requires the '$name' function hook extension.\n" );
+               }
+       }
+
        /*
         * Run the "tidy" command on text if the $wgUseTidy
         * global is true
@@ -652,9 +824,8 @@ class ParserTest {
         * @param string $text the text to tidy
         * @return string
         * @static
-        * @access private
         */
-       function tidy( $text ) {
+       private function tidy( $text ) {
                global $wgUseTidy;
                if ($wgUseTidy) {
                        $text = Parser::tidy($text);
@@ -662,26 +833,9 @@ class ParserTest {
                return $text;
        }
 
-       /**
-        * Hack up a private DOCTYPE with HTML's standard entity declarations.
-        * PHP 4 seemed to know these if you gave it an HTML doctype, but
-        * PHP 5.1 doesn't.
-        * @return string
-        * @access private
-        */
-       function hackDocType() {
-               global $wgHtmlEntities;
-               $out = "<!DOCTYPE html [\n";
-               foreach( $wgHtmlEntities as $entity => $codepoint ) {
-                       $out .= "<!ENTITY $entity \"&#$codepoint;\">";
-               }
-               $out .= "]>\n";
-               return $out;
-       }
-
-       function wellFormed( $text ) {
+       private function wellFormed( $text ) {
                $html =
-                       $this->hackDocType() .
+                       Sanitizer::hackDocType() .
                        '<html>' .
                        $text .
                        '</html>';
@@ -703,30 +857,330 @@ class ParserTest {
                return true;
        }
 
-       function extractFragment( $text, $position ) {
+       private function extractFragment( $text, $position ) {
                $start = max( 0, $position - 10 );
                $before = $position - $start;
                $fragment = '...' .
-                       $this->termColor( 34 ) .
+                       $this->term->color( 34 ) .
                        substr( $text, $start, $before ) .
-                       $this->termColor( 0 ) .
-                       $this->termColor( 31 ) .
-                       $this->termColor( 1 ) .
+                       $this->term->color( 0 ) .
+                       $this->term->color( 31 ) .
+                       $this->term->color( 1 ) .
                        substr( $text, $position, 1 ) .
-                       $this->termColor( 0 ) .
-                       $this->termColor( 34 ) .
+                       $this->term->color( 0 ) .
+                       $this->term->color( 34 ) .
                        substr( $text, $position + 1, 9 ) .
-                       $this->termColor( 0 ) .
+                       $this->term->color( 0 ) .
                        '...';
                $display = str_replace( "\n", ' ', $fragment );
                $caret = '   ' .
                        str_repeat( ' ', $before ) .
-                       $this->termColor( 31 ) .
+                       $this->term->color( 31 ) .
                        '^' .
-                       $this->termColor( 0 );
+                       $this->term->color( 0 );
                return "$display\n$caret";
        }
+}
+
+class AnsiTermColorer {
+       function __construct() {
+       }
+
+       /**
+        * Return ANSI terminal escape code for changing text attribs/color
+        *
+        * @param string $color Semicolon-separated list of attribute/color codes
+        * @return string
+        */
+       public function color( $color ) {
+               global $wgCommandLineDarkBg;
+               $light = $wgCommandLineDarkBg ? "1;" : "0;";
+               return "\x1b[{$light}{$color}m";
+       }
+
+       /**
+        * Return ANSI terminal escape code for restoring default text attributes
+        *
+        * @return string
+        */
+       public function reset() {
+               return $this->color( 0 );
+       }
+}
+
+/* A colour-less terminal */
+class DummyTermColorer {
+       public function color( $color ) {
+               return '';
+       }
+
+       public function reset() {
+               return '';
+       }
+}
+
+class TestRecorder {
+       function __construct( $term ) {
+               $this->term = $term;
+       }
+
+       function start() {
+               $this->total = 0;
+               $this->success = 0;
+       }
+
+       function record( $test, $result ) {
+               $this->total++;
+               $this->success += ($result ? 1 : 0);
+       }
+
+       function end() {
+               // dummy
+       }
+
+       function report() {
+               if( $this->total > 0 ) {
+                       $this->reportPercentage( $this->success, $this->total );
+               } else {
+                       wfDie( "No tests found.\n" );
+               }
+       }
 
+       function reportPercentage( $success, $total ) {
+               $ratio = wfPercent( 100 * $success / $total );
+               print $this->term->color( 1 ) . "Passed $success of $total tests ($ratio)... ";
+               if( $success == $total ) {
+                       print $this->term->color( 32 ) . "ALL TESTS PASSED!";
+               } else {
+                       $failed = $total - $success ;
+                       print $this->term->color( 31 ) . "$failed tests failed!";
+               }
+               print $this->term->reset() . "\n";
+               return ($success == $total);
+       }
 }
 
-?>
+class DbTestRecorder extends TestRecorder  {
+       protected $db;      ///< Database connection to the main DB
+       protected $curRun;  ///< run ID number for the current run
+       protected $prevRun; ///< run ID number for the previous run, if any
+
+       function __construct( $term ) {
+               parent::__construct( $term );
+               $this->db = wfGetDB( DB_MASTER );
+       }
+
+       /**
+        * Set up result recording; insert a record for the run with the date
+        * and all that fun stuff
+        */
+       function start() {
+               global $wgDBtype;
+               parent::start();
+
+               $this->db->begin();
+
+               if( ! $this->db->tableExists( 'testrun' ) or ! $this->db->tableExists( 'testitem') ) {
+                       print "WARNING> `testrun` table not found in database. Trying to create table.\n";
+            if ($wgDBtype === 'postgres')
+                               dbsource( dirname(__FILE__) . '/testRunner.postgres.sql',  $this->db );
+                       else
+                               dbsource( dirname(__FILE__) . '/testRunner.sql',  $this->db );
+                       echo "OK, resuming.\n";
+               }
+
+               // We'll make comparisons against the previous run later...
+               $this->prevRun = $this->db->selectField( 'testrun', 'MAX(tr_id)' );
+
+               $this->db->insert( 'testrun',
+                       array(
+                               'tr_date'        => $this->db->timestamp(),
+                               'tr_mw_version'  => SpecialVersion::getVersion(),
+                               'tr_php_version' => phpversion(),
+                               'tr_db_version'  => $this->db->getServerVersion(),
+                               'tr_uname'       => php_uname()
+                       ),
+                       __METHOD__ );
+                       if ($wgDBtype === 'postgres')
+                               $this->curRun = $this->db->currentSequenceValue('testrun_id_seq');
+                       else
+                               $this->curRun = $this->db->insertId();
+       }
+
+       /**
+        * Record an individual test item's success or failure to the db
+        * @param string $test
+        * @param bool $result
+        */
+       function record( $test, $result ) {
+               parent::record( $test, $result );
+               $this->db->insert( 'testitem',
+                       array(
+                               'ti_run'     => $this->curRun,
+                               'ti_name'    => $test,
+                               'ti_success' => $result ? 1 : 0,
+                       ),
+                       __METHOD__ );
+       }
+
+       /**
+        * Commit transaction and clean up for result recording
+        */
+       function end() {
+               $this->db->commit();
+               parent::end();
+       }
+
+       function report() {
+               if( $this->prevRun ) {
+                       $table = array(
+                               array( 'previously failing test(s) now PASSING! :)', 0, 1 ),
+                               array( 'previously PASSING test(s) removed o_O', 1, null ),
+                               array( 'new PASSING test(s) :)', null, 1 ),
+
+                               array( 'previously passing test(s) now FAILING! :(', 1, 0 ),
+                               array( 'previously FAILING test(s) removed O_o', 0, null ),
+                               array( 'new FAILING test(s) :(', null, 0 ),
+                               array( 'still FAILING test(s) :(', 0, 0 ),
+                       );
+                       foreach( $table as $criteria ) {
+                               list( $label, $before, $after ) = $criteria;
+                               $differences = $this->compareResult( $before, $after );
+                               if( $differences ) {
+                                       $count = count($differences);
+                                       printf( "\n%4d %s\n", $count, $label );
+                                       foreach ($differences as $differing_test_name => $statusInfo) {
+                                               print "      * $differing_test_name  [$statusInfo]\n";
+                                       }
+                               }
+                       }
+               } else {
+                       print "No previous test runs to compare against.\n";
+               }
+               print "\n";
+               parent::report();
+       }
+
+       /**
+        ** Returns an array of the test names with changed results, based on the specified
+        ** before/after criteria.
+        */
+       private function compareResult( $before, $after ) {
+               $testitem = $this->db->tableName( 'testitem' );
+               $prevRun = intval( $this->prevRun );
+               $curRun = intval( $this->curRun );
+               $prevStatus = $this->condition( $before );
+               $curStatus = $this->condition( $after );
+
+               // note: requires mysql >= ver 4.1 for subselects
+               if( is_null( $after ) ) {
+                       $sql = "
+                               select prev.ti_name as t from $testitem as prev
+                                       where prev.ti_run=$prevRun and
+                                               prev.ti_success $prevStatus and
+                                               (select current.ti_success from $testitem as current
+                                                       where current.ti_run=$curRun
+                                                               and prev.ti_name=current.ti_name) $curStatus";
+               } else {
+                       $sql = "
+                               select current.ti_name as t from $testitem as current 
+                                       where current.ti_run=$curRun and
+                                               current.ti_success $curStatus and
+                                               (select prev.ti_success from $testitem as prev
+                                                       where prev.ti_run=$prevRun
+                                                               and prev.ti_name=current.ti_name) $prevStatus";
+               }
+               $result = $this->db->query( $sql, __METHOD__ );
+               $retval = array();
+               while ($row = $this->db->fetchObject( $result )) {
+                       $testname = $row->t;
+                       $retval[$testname] = $this->getTestStatusInfo( $testname, $after, $curRun );
+               }
+               $this->db->freeResult( $result );
+               return $retval;
+       }
+
+       /**
+        ** Returns a string giving information about when a test last had a status change.
+        ** Could help to track down when regressions were introduced, as distinct from tests
+        ** which have never passed (which are more change requests than regressions).
+        */
+       private function getTestStatusInfo($testname, $after, $curRun) {
+
+               // If we're looking at a test that has just been removed, then say when it first appeared.
+               if ( is_null( $after ) ) {
+                       $changedRun = $this->db->selectField ( 'testitem',
+                                                                                                  'MIN(ti_run)',
+                                                                                                  array( 'ti_name' => $testname ),
+                                                                                                  __METHOD__ );
+                       $appear = $this->db->selectRow ( 'testrun',
+                                                                                        array( 'tr_date', 'tr_mw_version' ),
+                                                                                        array( 'tr_id' => $changedRun ),
+                                                                                        __METHOD__ );
+                       return "First recorded appearance: "
+                              . date( "d-M-Y H:i:s",  strtotime ( $appear->tr_date ) )
+                              .  ", " . $appear->tr_mw_version;
+               }
+
+               // Otherwise, this test has previous recorded results.
+               // See when this test last had a different result to what we're seeing now.
+               $changedRun = $this->db->selectField ( 'testitem',
+                                                                                          'MAX(ti_run)',
+                                                                                          array( 
+                                                                                              'ti_name'    => $testname,
+                                                                                              'ti_success' => ($after ? "0" : "1"),
+                                                                                              "ti_run != " . $this->db->addQuotes ( $curRun )
+                                                                                               ), 
+                                                                                               __METHOD__ );
+
+               // If no record of ever having had a different result.
+               if ( is_null ( $changedRun ) ) {
+                       if ($after == "0") {
+                               return "Has never passed";
+                       } else {
+                               return "Has never failed";
+                       }
+               }
+
+               // Otherwise, we're looking at a test whose status has changed.
+               // (i.e. it used to work, but now doesn't; or used to fail, but is now fixed.)
+               // In this situation, give as much info as we can as to when it changed status.
+               $pre  = $this->db->selectRow ( 'testrun',
+                                                                               array( 'tr_date', 'tr_mw_version' ),
+                                                                               array( 'tr_id' => $changedRun ),
+                                                                               __METHOD__ );
+               $post = $this->db->selectRow ( 'testrun',
+                                                                               array( 'tr_date', 'tr_mw_version' ),
+                                                                               array( "tr_id > " . $this->db->addQuotes ( $changedRun) ),
+                                                                               __METHOD__,
+                                                                               array( "LIMIT" => 1, "ORDER BY" => 'tr_id' )
+                                                                        );
+
+               return ( $after == "0" ? "Introduced" : "Fixed" ) . " between "
+                               . date( "d-M-Y H:i:s",  strtotime ( $pre->tr_date ) ) .  ", " . $pre->tr_mw_version
+                               . " and "
+                               . date( "d-M-Y H:i:s",  strtotime ( $post->tr_date  ) ) .  ", " . $post->tr_mw_version ;
+       }
+
+       /**
+        ** Helper function for compareResult() database querying.
+        */
+       private function condition( $value ) {
+               if( is_null( $value ) ) {
+                       return 'IS NULL';
+               } else {
+                       return '=' . intval( $value );
+               }
+       }
+
+}
+
+class DbTestPreviewer extends DbTestRecorder  {
+       /**
+        * Commit transaction and clean up for result recording
+        */
+       function end() {
+               $this->db->rollback();
+               TestRecorder::end();
+       }
+}