\n to eof
[lhc/web/wiklou.git] / maintenance / parserTests.php
index 6140539..5a37103 100644 (file)
 <?php
 # Copyright (C) 2004 Brion Vibber <brion@pobox.com>
 # http://www.mediawiki.org/
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or 
+# the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU General Public License for more details.
-# 
+#
 # 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
  */
 
-/** */
-$options = array( 'quick', 'color', 'quiet', 'help' );
-$optionsWithArgs = array( 'regex' );
+$options = array( 'quick', 'color', 'quiet', 'help', 'show-output', 'record', 'run-disabled' );
+$optionsWithArgs = array( 'regex', 'seed', 'setversion' );
 
-require_once( 'commandLine.inc' );
-require_once( "$IP/includes/ObjectCache.php" );
-require_once( "$IP/languages/LanguageUtf8.php" );
+require_once( dirname( __FILE__ ) . '/commandLine.inc' );
+require_once( dirname( __FILE__ ) . '/parserTests.inc' );
 
-/** */
-class ParserTest {
-       /**
-        * boolean $color whereas output should be colorized
-        * @access private
-        */
-       var $color;
-
-       /**
-        * boolean $lightcolor whereas output should use light colors
-        * @access private
-        */
-       var $lightcolor;
-
-       /**
-        * Sets terminal colorization and diff/quick modes depending on OS and
-        * command-line options (--color and --quick).
-        *
-        * @access 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'] ) ) {
-                       switch( $options['color'] ) {
-                       case 'no':
-                               $this->color = false;
-                               break;
-                       case 'light':
-                               $this->lightcolor = true;
-                               # Fall through
-                       case 'yes':
-                       default:
-                               $this->color = true;
-                               break;
-                       }
-               }
-               
-               $this->showDiffs = !isset( $options['quick'] );
-               
-               $this->quiet = isset( $options['quiet'] );
-
-               if (isset($options['regex'])) {
-                       $this->regex = $options['regex'];
-               } else {
-                       # Matches anything
-                       $this->regex = '';
-               }
-       }
-
-       /**
-        * Remove last character if it is a newline
-        * @access private
-        */
-       function chomp($s) {
-               if (substr($s, -1) === "\n") {
-                       return substr($s, 0, -1);
-               }
-               else {
-                       return $s;
-               }
-       }
-       
-       /**
-        * Run a series of tests listed in the given text file.
-        * 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
-        * @return bool True if passed all tests, false if any tests failed.
-        * @access public
-        */
-       function runTestsFromFile( $filename ) {
-               $infile = fopen( $filename, 'rt' );
-               if( !$infile ) {
-                       die( "Couldn't open parserTests.txt\n" );
-               }
-               
-               $data = array();
-               $section = null;
-               $success = 0;
-               $total = 0;
-               $n = 0;
-               while( false !== ($line = fgets( $infile ) ) ) {
-                       $n++;
-                       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" );
-                                       }
-                                       if( !isset( $data['article'] ) ) {
-                                               die( "'endarticle' without 'article' at line $n\n" );
-                                       }
-                                       $this->addArticle($this->chomp($data['article']), $this->chomp($data['text']), $n);
-                                       $data = array();
-                                       $section = null;
-                                       continue;
-                               }
-                               if( $section == 'end' ) {
-                                       if( !isset( $data['test'] ) ) {
-                                               die( "'end' without 'test' at line $n\n" );
-                                       }
-                                       if( !isset( $data['input'] ) ) {
-                                               die( "'end' without 'input' at line $n\n" );
-                                       }
-                                       if( !isset( $data['result'] ) ) {
-                                               die( "'end' without 'result' at line $n\n" );
-                                       }
-                                       if( !isset( $data['options'] ) ) {
-                                               $data['options'] = '';
-                                       }
-                                       else {
-                                               $data['options'] = $this->chomp( $data['options'] );
-                                       }
-                                       if (preg_match('/\\bdisabled\\b/i', $data['options'])
-                                               || !preg_match("/{$this->regex}/i", $data['test'])) {
-                                               # disabled test
-                                               $data = array();
-                                               $section = null;
-                                               continue;
-                                       }
-                                       if( $this->runTest(
-                                               $this->chomp( $data['test'] ),
-                                               $this->chomp( $data['input'] ),
-                                               $this->chomp( $data['result'] ),
-                                               $this->chomp( $data['options'] ) ) ) {
-                                               $success++;
-                                       }
-                                       $total++;
-                                       $data = array();
-                                       $section = null;
-                                       continue;
-                               }
-                               if ( isset ($data[$section] ) ) {
-                                       die ( "duplicate section '$section' at line $n\n" );
-                               }
-                               $data[$section] = '';
-                               continue;
-                       }
-                       if( $section ) {
-                               $data[$section] .= $line;
-                       }
-               }
-               if( $total > 0 ) {
-                       $ratio = IntVal( 100.0 * $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" );
-               }
-       }
-
-       /**
-        * Run a given wikitext input through a freshly-constructed wiki parser,
-        * and compare the output against the expected results.
-        * Prints status and explanatory messages to stdout.
-        *
-        * @param string $input Wikitext to try rendering
-        * @param string $result Result to output
-        * @return bool
-        */
-       function runTest( $desc, $input, $result, $opts ) {
-               if( !$this->quiet ) {
-                       $this->showTesting( $desc );
-               }
-
-               $this->setupGlobals($opts);
-
-               $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);
-               }
-
-               if (preg_match('/title=\[\[(.*)\]\]/', $opts, $m)) {
-                       $titleText = $m[1];
-               }
-               else {
-                       $titleText = 'Parser test';
-               }
-
-               $parser =& new Parser();
-               $title =& Title::makeTitle( NS_MAIN, $titleText );
-
-               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 );
-               } else {
-                       $output =& $parser->parse( $input, $title, $options );
-                       $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() ) );
-                       }
-
-                       $result = $this->tidy($result);
-               }
-               
-               $this->teardownGlobals();
-               
-               if( $result === $out ) {
-                       return $this->showSuccess( $desc );
-               } else {
-                       return $this->showFailure( $desc, $result, $out );
-               }
-       }
-       
-       /**
-        * Set up the global variables for a consistent environment for each test.
-        * Ideally this should replace the global configuration entirely.
-        *
-        * @access private
-        */
-       function setupGlobals($opts = '') {
-               # Save the prefixed / quoted table names for later use when we make the temporaries.
-               $db =& wfGetDB( DB_READ );
-               $this->oldTableNames = array();
-               foreach( $this->listTables() as $table ) {
-                       $this->oldTableNames[$table] = $db->tableName( $table );
-               }
-               if( !isset( $this->uploadDir ) ) {
-                       $this->uploadDir = $this->setupUploadDir();
-               }
-               
-               $settings = array(
-                       'wgServer' => 'http://localhost',
-                       'wgScript' => '/index.php',
-                       'wgScriptPath' => '/',
-                       'wgArticlePath' => '/wiki/$1',
-                       'wgUploadPath' => '/images',
-                       'wgUploadDirectory' => $this->uploadDir,
-                       'wgStyleSheetPath' => '/skins',
-                       'wgSitename' => 'MediaWiki',
-                       'wgLanguageCode' => 'en',
-                       'wgContLanguageCode' => 'en',
-                       'wgUseLatin1' => false,
-                       'wgDBprefix' => 'parsertest',
-                       'wgDefaultUserOptions' => array(),
-                       
-                       'wgLoadBalancer' => LoadBalancer::newFromParams( $GLOBALS['wgDBservers'] ),
-                       'wgLang' => new LanguageUtf8(),
-                       'wgContLang' => new LanguageUtf8(),
-                       'wgNamespacesWithSubpages' => array( 0 => preg_match('/\\bsubpage\\b/i', $opts)),
-                       'wgMaxTocLevel' => 999,
-                       );
-               $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'] );
-               $this->setupDatabase();
-       }
-       
-       # List of temporary tables to create, without prefix
-       # Some of these probably aren't necessary
-       function listTables() {
-               return array('user', 'page', 'revision', 'text', 'links',
-                       'brokenlinks', 'imagelinks', 'categorylinks',
-                       'linkscc', 'site_stats', 'hitcounter',
-                       'ipblocks', 'image', 'oldimage',
-                       'recentchanges',
-                       'watchlist', 'math', 'searchindex',
-                       'interwiki', 'querycache',
-                       'objectcache'
-               );
-       }
-       
-       /**
-        * 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() {
-               static $setupDB = false;
-               global $wgDBprefix;
-
-               # Make sure we don't mess with the live DB
-               if (!$setupDB && $wgDBprefix === 'parsertest') {
-                       $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' ) {
-                                       $def = 'INCLUDING DEFAULTS';
-                               } else {
-                                       $def = '';
-                               }
-                               foreach ($tables as $tbl) {
-                                       $newTableName = $db->tableName( $tbl );
-                                       $tableName = $this->oldTableNames[$tbl];
-                                       $db->query("CREATE TEMPORARY TABLE $newTableName (LIKE $tableName $def)");
-                               }
-                       } else {
-                               # Hack for MySQL versions < 4.1, which don't support
-                               # "CREATE TABLE ... LIKE". Note that
-                               # "CREATE TEMPORARY TABLE ... SELECT * FROM ... LIMIT 0"
-                               # would not create the indexes we need....
-                               foreach ($tables as $tbl) {
-                                       $res = $db->query("SHOW CREATE TABLE {$this->oldTableNames[$tbl]}");
-                                       $row = $db->fetchRow($res);
-                                       $create = $row[1];
-                                       $create_tmp = preg_replace('/CREATE TABLE `(.*?)`/', 'CREATE TEMPORARY TABLE `'
-                                               . $wgDBprefix . $tbl .'`', $create);
-                                       if ($create === $create_tmp) {
-                                               # Couldn't do replacement
-                                               die("could not create temporary table $tbl");
-                                       }
-                                       $db->query($create_tmp);
-                               }
-
-                       }
-
-                       # Hack: insert a few Wikipedia in-project interwiki prefixes,
-                       # for testing inter-language links
-                       $db->insert( 'interwiki', array(
-                               array( 'iw_prefix' => 'Wikipedia',
-                                      'iw_url'    => 'http://en.wikipedia.org/wiki/$1',
-                                      'iw_local'  => 0 ),
-                               array( 'iw_prefix' => 'MeatBall',
-                                      'iw_url'    => 'http://www.usemod.com/cgi-bin/mb.pl?$1',
-                                      'iw_local'  => 0 ),
-                               array( 'iw_prefix' => 'zh',
-                                      'iw_url'    => 'http://zh.wikipedia.org/wiki/$1',
-                                      'iw_local'  => 1 ),
-                               array( 'iw_prefix' => 'es',
-                                      'iw_url'    => 'http://es.wikipedia.org/wiki/$1',
-                                      'iw_local'  => 1 ),
-                               array( 'iw_prefix' => 'fr',
-                                      'iw_url'    => 'http://fr.wikipedia.org/wiki/$1',
-                                      'iw_local'  => 1 ),
-                               array( 'iw_prefix' => 'ru',
-                                      'iw_url'    => 'http://ru.wikipedia.org/wiki/$1',
-                                      'iw_local'  => 1 ),
-                               ) );
-
-
-                       $setupDB = true;
-               }
-       }
-       
-       /**
-        * 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() {
-               $dir = "/tmp/mwParser-" . mt_rand() . "-images";
-               mkdir( $dir );
-               mkdir( $dir . '/3' );
-               mkdir( $dir . '/3/3a' );
-               $f = fopen( $dir . '/3/3a/Foobar.jpg', 'wb' );
-               fwrite( $f, 'Dummy file' );
-               fclose( $f );
-               return $dir;
-       }
-       
-       /**
-        * Restore default values and perform any necessary clean-up
-        * after each test runs.
-        *
-        * @access private
-        */
-       function teardownGlobals() {
-               foreach( $this->savedGlobals as $var => $val ) {
-                       $GLOBALS[$var] = $val;
-               }
-               if( isset( $this->uploadDir ) ) {
-                       $this->teardownUploadDir( $this->uploadDir );
-                       unset( $this->uploadDir );
-               }
-       }
-       
-       /**
-        * Remove the dummy uploads directory
-        * @access private
-        */
-       function teardownUploadDir( $dir ) {
-               unlink( "$dir/3/3a/Foobar.jpg" );
-               rmdir( "$dir/3/3a" );
-               rmdir( "$dir/3" );
-               @rmdir( "$dir/thumb/3/39" );
-               @rmdir( "$dir/thumb/3" );
-               @rmdir( "$dir/thumb" );
-               rmdir( "$dir" );
-       }
-       
-       /**
-        * "Running test $desc..."
-        * @access private
-        */
-       function showTesting( $desc ) {
-               print "Running test $desc... ";
-       }
-       
-       /**
-        * Print a happy success message.
-        *
-        * @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";
-               }
-               return true;
-       }
-       
-       /**
-        * Print a failure message and provide some explanatory output
-        * about what went wrong if so configured.
-        *
-        * @param string $desc The test name
-        * @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 );
-               }
-               return false;
-       }
-       
-       /**
-        * Run given strings through a diff and return the (colorized) output.
-        * Requires writable /tmp directory and a 'diff' command in the PATH.
-        *
-        * @param string $input
-        * @param string $output
-        * @return string
-        * @access private
-        */
-       function quickDiff( $input, $output ) {
-               $prefix = "/tmp/mwParser-" . mt_rand();
-               
-               $infile = "$prefix-expected";
-               $this->dumpToFile( $input, $infile );
-               
-               $outfile = "$prefix-actual";
-               $this->dumpToFile( $output, $outfile );
-               
-               $diff = `diff -au $infile $outfile`;
-               unlink( $infile );
-               unlink( $outfile );
-               
-               return $this->colorDiff( $diff );
-       }
-       
-       /**
-        * Write the given string to a file, adding a final newline.
-        *
-        * @param string $data
-        * @param string $filename
-        * @access 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( $text ) {
-               return preg_replace(
-                       array( '/^(-.*)$/m', '/^(\+.*)$/m' ),
-                       array( $this->termColor( 34 ) . '$1' . $this->termReset(),
-                              $this->termColor( 31 ) . '$1' . $this->termReset() ),
-                       $text );
-       }
-
-       /**
-        * 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) {
-               $this->setupGlobals();
-               $title = Title::newFromText( $name );
-               if ( is_null($title) ) {
-                       die( "invalid title at line $line\n" );
-               }
-
-               $aid = $title->getArticleID( GAID_FOR_UPDATE );
-               if ($aid != 0) {
-                       die( "duplicate article at line $line\n" );
-               }
-
-               $art = new Article($title);
-               $art->insertNewArticle($text, '', false, false );
-               $this->teardownGlobals();
-       }
-
-       /*
-        * Run the "tidy" command on text if the $wgUseTidy
-        * global is true
-        *
-        * @param string $text the text to tidy
-        * @return string
-        * @static
-        * @access private
-        */
-       function tidy( $text ) {
-               global $wgUseTidy;
-               if ($wgUseTidy) {
-                       $text = Parser::tidy($text);
-               }
-               return $text;
-       }
-}
-
-if( isset( $options['help'] ) ) {
-       echo <<<END
+if ( isset( $options['help'] ) ) {
+    echo <<<ENDS
 MediaWiki $wgVersion parser test suite
-Usage: php parserTests.php [--quick] [--quiet] [--color[=(yes|no|light)]]
-                           [--regex <expression>] [--help]
-Options:
-  --quick  Suppress diff output of failed tests
-  --quiet  Suppress notification of passed tests (shows only failed tests)
-  --color  Override terminal detection and force color output on or off
-           'light' option is similar to 'yes' but with color for dark backgrounds
-  --regex  Only run tests whose descriptions which match given regex
-  --help   Show this help message
+Usage: php parserTests.php [options...]
 
+Options:
+  --quick          Suppress diff output of failed tests
+  --quiet          Suppress notification of passed tests (shows only failed tests)
+  --show-output    Show expected and actual output
+  --color[=yes|no] Override terminal detection and force color output on or off
+                   use wgCommandLineDarkBg = true; if your term is dark 
+  --regex          Only run tests whose descriptions which match given regex
+  --file=<testfile> Run test cases from a custom file instead of parserTests.txt
+  --record         Record tests in database
+  --compare        Compare with recorded results, without updating the database.
+  --setversion     When using --record, set the version string to use (useful
+                   with git-svn so that you can get the exact revision)
+  --keep-uploads   Re-use the same upload directory for each test, don't delete it
+  --fuzz           Do a fuzz test instead of a normal test
+  --seed <n>       Start the fuzz test from the specified seed
+  --help           Show this help message
+  --run-disabled   run disabled tests
+  --upload         Upload test results to remote wiki (per \$wgParserTestRemote)
+
+ENDS;
+    exit( 0 );
+}
 
-END;
-       exit( 0 );
+# Cases of weird db corruption were encountered when running tests on earlyish
+# versions of SQLite
+if ( $wgDBtype == 'sqlite' ) {
+       $db = wfGetDB( DB_MASTER );
+       $version = $db->getServerVersion();
+       if ( version_compare( $version, '3.6' ) < 0 ) {
+               die( "Parser tests require SQLite version 3.6 or later, you have $version\n" );
+       }
 }
 
 # There is a convention that the parser should never
 # refer to $wgTitle directly, but instead use the title
 # passed to it.
 $wgTitle = Title::newFromText( 'Parser test script do not use' );
-$tester =& new ParserTest();
+$tester = new ParserTest($options);
 
-# Note: the command line setup changes the current working directory
-# to the parent, which is why we have to put the subdir here:
-$ok = $tester->runTestsFromFile( 'maintenance/parserTests.txt' );
+if ( isset( $options['file'] ) ) {
+       $files = array( $options['file'] );
+} else {
+       // Default parser tests and any set from extensions or local config
+       $files = $wgParserTestFiles;
+}
 
-exit ($ok ? 0 : -1);
+# Print out software version to assist with locating regressions
+$version = SpecialVersion::getVersion();
+echo( "This is MediaWiki version {$version}.\n\n" );
 
-?>
+if ( isset( $options['fuzz'] ) ) {
+       $tester->fuzzTest( $files );
+} else {
+       $ok = $tester->runTestsFromFiles( $files );
+       exit ( $ok ? 0 : 1 );
+}