maintenance/parserTests.inc

   1 <?php
   2 # Copyright (C) 2004, 2010 Brion Vibber <brion@pobox.com>
   3 # http://www.mediawiki.org/
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License along
  16 # with this program; if not, write to the Free Software Foundation, Inc.,
  17 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18 # http://www.gnu.org/copyleft/gpl.html
  19
  20 /**
  21  * @todo Make this more independent of the configuration (and if possible the database)
  22  * @todo document
  23  * @file
  24  * @ingroup Maintenance
  25  */
  26
  27 /** */
  28 $options = array( 'quick', 'color', 'quiet', 'help', 'show-output', 'record', 'run-disabled' );
  29 $optionsWithArgs = array( 'regex', 'seed', 'setversion' );
  30
  31 if ( !defined( "NO_COMMAND_LINE" ) ) {
  32         require_once( dirname(__FILE__) . '/commandLine.inc' );
  33 }
  34 require_once( "$IP/maintenance/parserTestsParserHook.php" );
  35 require_once( "$IP/maintenance/parserTestsStaticParserHook.php" );
  36 require_once( "$IP/maintenance/parserTestsParserTime.php" );
  37
  38 /**
  39  * @ingroup Maintenance
  40  */
  41 class ParserTest {
  42         /**
  43          * boolean $color whereas output should be colorized
  44          */
  45         private $color;
  46
  47         /**
  48          * boolean $showOutput Show test output
  49          */
  50         private $showOutput;
  51
  52         /**
  53          * boolean $useTemporaryTables Use temporary tables for the temporary database
  54          */
  55         private $useTemporaryTables = true;
  56
  57         /**
  58          * boolean $databaseSetupDone True if the database has been set up
  59          */
  60         private $databaseSetupDone = false;
  61
  62         /**
  63          * string $oldTablePrefix Original table prefix
  64          */
  65         private $oldTablePrefix;
  66
  67         private $maxFuzzTestLength = 300;
  68         private $fuzzSeed = 0;
  69         private $memoryLimit = 50;
  70
  71         /**
  72          * Sets terminal colorization and diff/quick modes depending on OS and
  73          * command-line options (--color and --quick).
  74          */
  75         public function ParserTest() {
  76                 global $options;
  77
  78                 # Only colorize output if stdout is a terminal.
  79                 $this->color = !wfIsWindows() && posix_isatty(1);
  80
  81                 if( isset( $options['color'] ) ) {
  82                         switch( $options['color'] ) {
  83                         case 'no':
  84                                 $this->color = false;
  85                                 break;
  86                         case 'yes':
  87                         default:
  88                                 $this->color = true;
  89                                 break;
  90                         }
  91                 }
  92                 $this->term = $this->color
  93                         ? new AnsiTermColorer()
  94                         : new DummyTermColorer();
  95
  96                 $this->showDiffs = !isset( $options['quick'] );
  97                 $this->showProgress = !isset( $options['quiet'] );
  98                 $this->showFailure = !(
  99                         isset( $options['quiet'] )
 100                         && ( isset( $options['record'] )
 101                                 || isset( $options['compare'] ) ) ); // redundant output
 102
 103                 $this->showOutput = isset( $options['show-output'] );
 104
 105
 106                 if (isset($options['regex'])) {
 107                         if ( isset( $options['record'] ) ) {
 108                                 echo "Warning: --record cannot be used with --regex, disabling --record\n";
 109                                 unset( $options['record'] );
 110                         }
 111                         $this->regex = $options['regex'];
 112                 } else {
 113                         # Matches anything
 114                         $this->regex = '';
 115                 }
 116
 117                 if( isset( $options['record'] ) ) {
 118                         $this->recorder = new DbTestRecorder( $this );
 119                 } elseif( isset( $options['compare'] ) ) {
 120                         $this->recorder = new DbTestPreviewer( $this );
 121                 } elseif( isset( $options['upload'] ) ) {
 122                         $this->recorder = new RemoteTestRecorder( $this );
 123                 } elseif( class_exists( 'PHPUnitTestRecorder' ) ) {
 124                         $this->recorder = new PHPUnitTestRecorder( $this );
 125                 } else {
 126                         $this->recorder = new TestRecorder( $this );
 127                 }
 128                 $this->keepUploads = isset( $options['keep-uploads'] );
 129
 130                 if ( isset( $options['seed'] ) ) {
 131                         $this->fuzzSeed = intval( $options['seed'] ) - 1;
 132                 }
 133
 134                 $this->runDisabled = isset( $options['run-disabled'] );
 135
 136                 $this->hooks = array();
 137                 $this->functionHooks = array();
 138         }
 139
 140         /**
 141          * Remove last character if it is a newline
 142          */
 143         public function chomp($s) {
 144                 if (substr($s, -1) === "\n") {
 145                         return substr($s, 0, -1);
 146                 }
 147                 else {
 148                         return $s;
 149                 }
 150         }
 151
 152         /**
 153          * Run a fuzz test series
 154          * Draw input from a set of test files
 155          */
 156         function fuzzTest( $filenames ) {
 157                 $dict = $this->getFuzzInput( $filenames );
 158                 $dictSize = strlen( $dict );
 159                 $logMaxLength = log( $this->maxFuzzTestLength );
 160                 $this->setupDatabase();
 161                 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
 162
 163                 $numTotal = 0;
 164                 $numSuccess = 0;
 165                 $user = new User;
 166                 $opts = ParserOptions::newFromUser( $user );
 167                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
 168
 169                 while ( true ) {
 170                         // Generate test input
 171                         mt_srand( ++$this->fuzzSeed );
 172                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
 173                         $input = '';
 174                         while ( strlen( $input ) < $totalLength ) {
 175                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
 176                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
 177                                 $offset = mt_rand( 0, $dictSize - $hairLength );
 178                                 $input .= substr( $dict, $offset, $hairLength );
 179                         }
 180
 181                         $this->setupGlobals();
 182                         $parser = $this->getParser();
 183                         // Run the test
 184                         try {
 185                                 $parser->parse( $input, $title, $opts );
 186                                 $fail = false;
 187                         } catch ( Exception $exception ) {
 188                                 $fail = true;
 189                         }
 190
 191                         if ( $fail ) {
 192                                 echo "Test failed with seed {$this->fuzzSeed}\n";
 193                                 echo "Input:\n";
 194                                 var_dump( $input );
 195                                 echo "\n\n";
 196                                 echo "$exception\n";
 197                         } else {
 198                                 $numSuccess++;
 199                         }
 200                         $numTotal++;
 201                         $this->teardownGlobals();
 202                         $parser->__destruct();
 203
 204                         if ( $numTotal % 100 == 0 ) {
 205                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
 206                                 echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
 207                                 if ( $usage > 90 ) {
 208                                         echo "Out of memory:\n";
 209                                         $memStats = $this->getMemoryBreakdown();
 210                                         foreach ( $memStats as $name => $usage ) {
 211                                                 echo "$name: $usage\n";
 212                                         }
 213                                         $this->abort();
 214                                 }
 215                         }
 216                 }
 217         }
 218
 219         /**
 220          * Get an input dictionary from a set of parser test files
 221          */
 222         function getFuzzInput( $filenames ) {
 223                 $dict = '';
 224                 foreach( $filenames as $filename ) {
 225                         $contents = file_get_contents( $filename );
 226                         preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
 227                         foreach ( $matches[1] as $match ) {
 228                                 $dict .= $match . "\n";
 229                         }
 230                 }
 231                 return $dict;
 232         }
 233
 234         /**
 235          * Get a memory usage breakdown
 236          */
 237         function getMemoryBreakdown() {
 238                 $memStats = array();
 239                 foreach ( $GLOBALS as $name => $value ) {
 240                         $memStats['$'.$name] = strlen( serialize( $value ) );
 241                 }
 242                 $classes = get_declared_classes();
 243                 foreach ( $classes as $class ) {
 244                         $rc = new ReflectionClass( $class );
 245                         $props = $rc->getStaticProperties();
 246                         $memStats[$class] = strlen( serialize( $props ) );
 247                         $methods = $rc->getMethods();
 248                         foreach ( $methods as $method ) {
 249                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
 250                         }
 251                 }
 252                 $functions = get_defined_functions();
 253                 foreach ( $functions['user'] as $function ) {
 254                         $rf = new ReflectionFunction( $function );
 255                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
 256                 }
 257                 asort( $memStats );
 258                 return $memStats;
 259         }
 260
 261         function abort() {
 262                 $this->abort();
 263         }
 264
 265         /**
 266          * Run a series of tests listed in the given text files.
 267          * Each test consists of a brief description, wikitext input,
 268          * and the expected HTML output.
 269          *
 270          * Prints status updates on stdout and counts up the total
 271          * number and percentage of passed tests.
 272          *
 273          * @param $filenames Array of strings
 274          * @return Boolean: true if passed all tests, false if any tests failed.
 275          */
 276         public function runTestsFromFiles( $filenames ) {
 277                 $this->recorder->start();
 278                 $this->setupDatabase();
 279                 $ok = true;
 280                 foreach( $filenames as $filename ) {
 281                         $tests = new TestFileIterator( $filename, $this );
 282                         $ok = $this->runTests( $tests ) && $ok;
 283                 }
 284                 $this->teardownDatabase();
 285                 $this->recorder->report();
 286                 $this->recorder->end();
 287                 return $ok;
 288         }
 289
 290         function runTests($tests) {
 291                 $ok = true;
 292         foreach($tests as $i => $t) {
 293                         $result =
 294                                 $this->runTest($t['test'], $t['input'], $t['result'], $t['options'], $t['config']);
 295                         $ok = $ok && $result;
 296                         $this->recorder->record( $t['test'], $result );
 297                 }
 298                 if ( $this->showProgress ) {
 299                         print "\n";
 300                 }
 301         }
 302
 303         /**
 304          * Get a Parser object
 305          */
 306         function getParser() {
 307                 global $wgParserConf;
 308                 $class = $wgParserConf['class'];
 309                 $parser = new $class( $wgParserConf );
 310                 foreach( $this->hooks as $tag => $callback ) {
 311                         $parser->setHook( $tag, $callback );
 312                 }
 313                 foreach( $this->functionHooks as $tag => $bits ) {
 314                         list( $callback, $flags ) = $bits;
 315                         $parser->setFunctionHook( $tag, $callback, $flags );
 316                 }
 317                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
 318                 return $parser;
 319         }
 320
 321         /**
 322          * Run a given wikitext input through a freshly-constructed wiki parser,
 323          * and compare the output against the expected results.
 324          * Prints status and explanatory messages to stdout.
 325          *
 326          * @param $desc String: test's description
 327          * @param $input String: wikitext to try rendering
 328          * @param $result String: result to output
 329          * @param $opts Array: test's options
 330          * @param $config String: overrides for global variables, one per line
 331          * @return Boolean
 332          */
 333         public function runTest( $desc, $input, $result, $opts, $config ) {
 334                 if( $this->showProgress ) {
 335                         $this->showTesting( $desc );
 336                 }
 337
 338                 $opts = $this->parseOptions( $opts );
 339                 $this->setupGlobals($opts, $config);
 340
 341                 $user = new User();
 342                 $options = ParserOptions::newFromUser( $user );
 343
 344                 $m = array();
 345                 if (isset( $opts['title'] ) ) {
 346                         $titleText = $opts['title'];
 347                 }
 348                 else {
 349                         $titleText = 'Parser test';
 350                 }
 351
 352                 $noxml = isset( $opts['noxml'] );
 353                 $local = isset( $opts['local'] );
 354                 $parser = $this->getParser();
 355                 $title = Title::newFromText( $titleText );
 356
 357                 $matches = array();
 358                 if( isset( $opts['pst'] ) ) {
 359                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
 360                 } elseif( isset( $opts['msg'] ) ) {
 361                         $out = $parser->transformMsg( $input, $options );
 362                 } elseif( isset( $opts['section'] ) ) {
 363                         $section = $opts['section'];
 364                         $out = $parser->getSection( $input, $section );
 365                 } elseif( isset( $opts['replace'] ) ) {
 366                         $section = $opts['replace'][0];
 367                         $replace = $opts['replace'][1];
 368                         $out = $parser->replaceSection( $input, $section, $replace );
 369                 } elseif( isset( $opts['comment'] ) ) {
 370                         $linker = $user->getSkin();
 371                         $out = $linker->formatComment( $input, $title, $local );
 372                 } elseif( isset( $opts['preload'] ) ) {
 373                         $out = $parser->getpreloadText( $input, $title, $options );
 374                 } else {
 375                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
 376                         $out = $output->getText();
 377
 378                         if ( isset( $opts['showtitle'] ) ) {
 379                                 if($output->getTitleText()) $title = $output->getTitleText();
 380                                 $out = "$title\n$out";
 381                         }
 382                         if (isset( $opts['ill'] ) ) {
 383                                 $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
 384                         } elseif( isset( $opts['cat'] ) ) {
 385                                 global $wgOut;
 386                                 $wgOut->addCategoryLinks($output->getCategories());
 387                                 $cats = $wgOut->getCategoryLinks();
 388                                 if ( isset( $cats['normal'] ) ) {
 389                                         $out = $this->tidy( implode( ' ', $cats['normal'] ) );
 390                                 } else {
 391                                         $out = '';
 392                                 }
 393                         }
 394
 395                         $result = $this->tidy($result);
 396                 }
 397
 398
 399                 $this->teardownGlobals();
 400
 401                 if( $result === $out && ( $noxml === true || $this->wellFormed( $out ) ) ) {
 402                         return $this->showSuccess( $desc );
 403                 } else {
 404                         return $this->showFailure( $desc, $result, $out );
 405                 }
 406         }
 407
 408
 409         /**
 410          * Use a regex to find out the value of an option
 411          * @param $key String: name of option val to retrieve
 412          * @param $opts Options array to look in
 413          * @param $default Mixed: default value returned if not found
 414          */
 415         private static function getOptionValue( $key, $opts, $default ) {
 416                 $key = strtolower( $key );
 417                 if( isset( $opts[$key] ) ) {
 418                         return $opts[$key];
 419                 } else {
 420                         return $default;
 421                 }
 422         }
 423
 424         private function parseOptions( $instring ) {
 425                 $opts = array();
 426                 $lines = explode( "\n", $instring );
 427                 // foo
 428                 // foo=bar
 429                 // foo="bar baz"
 430                 // foo=[[bar baz]]
 431                 // foo=bar,"baz quux"
 432                 $regex = '/\b
 433                         ([\w-]+)                                                # Key
 434                         \b
 435                         (?:\s*
 436                                 =                                               # First sub-value
 437                                 \s*
 438                                 (
 439                                         "
 440                                                 [^"]*                   # Quoted val
 441                                         "
 442                                 |
 443                                         \[\[
 444                                                 [^]]*                   # Link target
 445                                         \]\]
 446                                 |
 447                                         [\w-]+                          # Plain word
 448                                 )
 449                                 (?:\s*
 450                                         ,                                       # Sub-vals 1..N
 451                                         \s*
 452                                         (
 453                                                 "[^"]*"                 # Quoted val
 454                                         |
 455                                                 \[\[[^]]*\]\]   # Link target
 456                                         |
 457                                                 [\w-]+                  # Plain word
 458                                         )
 459                                 )*
 460                         )?
 461                         /x';
 462
 463                 if( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
 464                         foreach( $matches as $bits ) {
 465                                 $match = array_shift( $bits );
 466                                 $key = strtolower( array_shift( $bits ) );
 467                                 if( count( $bits ) == 0 ) {
 468                                         $opts[$key] = true;
 469                                 } elseif( count( $bits ) == 1 ) {
 470                                         $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
 471                                 } else {
 472                                         // Array!
 473                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
 474                                 }
 475                         }
 476                 }
 477                 return $opts;
 478         }
 479
 480         private function cleanupOption( $opt ) {
 481                 if( substr( $opt, 0, 1 ) == '"' ) {
 482                         return substr( $opt, 1, -1 );
 483                 }
 484                 if( substr( $opt, 0, 2 ) == '[[' ) {
 485                         return substr( $opt, 2, -2 );
 486                 }
 487                 return $opt;
 488         }
 489
 490         /**
 491          * Set up the global variables for a consistent environment for each test.
 492          * Ideally this should replace the global configuration entirely.
 493          */
 494         private function setupGlobals($opts = '', $config = '') {
 495                 global $wgDBtype;
 496                 if( !isset( $this->uploadDir ) ) {
 497                         $this->uploadDir = $this->setupUploadDir();
 498                 }
 499
 500                 # Find out values for some special options.
 501                 $lang =
 502                         self::getOptionValue( 'language', $opts, 'en' );
 503                 $variant =
 504                         self::getOptionValue( 'variant', $opts, false );
 505                 $maxtoclevel =
 506                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
 507                 $linkHolderBatchSize =
 508                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
 509
 510                 $settings = array(
 511                         'wgServer' => 'http://localhost',
 512                         'wgScript' => '/index.php',
 513                         'wgScriptPath' => '/',
 514                         'wgArticlePath' => '/wiki/$1',
 515                         'wgActionPaths' => array(),
 516                         'wgLocalFileRepo' => array(
 517                                 'class' => 'LocalRepo',
 518                                 'name' => 'local',
 519                                 'directory' => $this->uploadDir,
 520                                 'url' => 'http://example.com/images',
 521                                 'hashLevels' => 2,
 522                                 'transformVia404' => false,
 523                         ),
 524                         'wgEnableUploads' => true,
 525                         'wgStyleSheetPath' => '/skins',
 526                         'wgSitename' => 'MediaWiki',
 527                         'wgServerName' => 'Britney-Spears',
 528                         'wgLanguageCode' => $lang,
 529                         'wgContLanguageCode' => $lang,
 530                         'wgDBprefix' => $wgDBtype != 'oracle' ? 'parsertest_' : 'pt_',
 531                         'wgRawHtml' => isset( $opts['rawhtml'] ),
 532                         'wgLang' => null,
 533                         'wgContLang' => null,
 534                         'wgNamespacesWithSubpages' => array( 0 => isset( $opts['subpage'] ) ),
 535                         'wgMaxTocLevel' => $maxtoclevel,
 536                         'wgCapitalLinks' => true,
 537                         'wgNoFollowLinks' => true,
 538                         'wgNoFollowDomainExceptions' => array(),
 539                         'wgThumbnailScriptPath' => false,
 540                         'wgUseImageResize' => false,
 541                         'wgUseTeX' => isset( $opts['math'] ),
 542                         'wgMathDirectory' => $this->uploadDir . '/math',
 543                         'wgLocaltimezone' => 'UTC',
 544                         'wgAllowExternalImages' => true,
 545                         'wgUseTidy' => false,
 546                         'wgDefaultLanguageVariant' => $variant,
 547                         'wgVariantArticlePath' => false,
 548                         'wgGroupPermissions' => array( '*' => array(
 549                                 'createaccount' => true,
 550                                 'read'          => true,
 551                                 'edit'          => true,
 552                                 'createpage'    => true,
 553                                 'createtalk'    => true,
 554                         ) ),
 555                         'wgNamespaceProtection' => array( NS_MEDIAWIKI => 'editinterface' ),
 556                         'wgDefaultExternalStore' => array(),
 557                         'wgForeignFileRepos' => array(),
 558                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
 559                         'wgExperimentalHtmlIds' => false,
 560                         'wgExternalLinkTarget' => false,
 561                         'wgAlwaysUseTidy' => false,
 562                         'wgHtml5' => true,
 563                         'wgWellFormedXml' => true,
 564                         'wgAllowMicrodataAttributes' => true,
 565                 );
 566
 567                 if ($config) {
 568                         $configLines = explode( "\n", $config );
 569
 570                         foreach( $configLines as $line ) {
 571                                 list( $var, $value ) = explode( '=', $line, 2 );
 572
 573                                 $settings[$var] = eval("return $value;" );
 574                         }
 575                 }
 576
 577                 $this->savedGlobals = array();
 578                 foreach( $settings as $var => $val ) {
 579                         if( array_key_exists( $var, $GLOBALS ) ) {
 580                                 $this->savedGlobals[$var] = $GLOBALS[$var];
 581                         }
 582                         $GLOBALS[$var] = $val;
 583                 }
 584                 $langObj = Language::factory( $lang );
 585                 $GLOBALS['wgLang'] = $langObj;
 586                 $GLOBALS['wgContLang'] = $langObj;
 587                 $GLOBALS['wgMemc'] = new FakeMemCachedClient;
 588                 $GLOBALS['wgOut'] = new OutputPage;
 589
 590                 MagicWord::clearCache();
 591
 592                 global $wgUser;
 593                 $wgUser = new User();
 594         }
 595
 596         /**
 597          * List of temporary tables to create, without prefix.
 598          * Some of these probably aren't necessary.
 599          */
 600         private function listTables() {
 601                 global $wgDBtype;
 602                 $tables = array('user', 'page', 'page_restrictions',
 603                         'protected_titles', 'revision', 'text', 'pagelinks', 'imagelinks',
 604                         'categorylinks', 'templatelinks', 'externallinks', 'langlinks',
 605                         'site_stats', 'hitcounter',     'ipblocks', 'image', 'oldimage',
 606                         'recentchanges', 'watchlist', 'math', 'interwiki',
 607                         'querycache', 'objectcache', 'job', 'l10n_cache', 'redirect', 'querycachetwo',
 608                         'archive', 'user_groups', 'page_props', 'category'
 609                 );
 610
 611                 if ($wgDBtype === 'mysql')
 612                         array_push( $tables, 'searchindex' );
 613
 614                 // Allow extensions to add to the list of tables to duplicate;
 615                 // may be necessary if they hook into page save or other code
 616                 // which will require them while running tests.
 617                 wfRunHooks( 'ParserTestTables', array( &$tables ) );
 618
 619                 return $tables;
 620         }
 621
 622         /**
 623          * Set up a temporary set of wiki tables to work with for the tests.
 624          * Currently this will only be done once per run, and any changes to
 625          * the db will be visible to later tests in the run.
 626          */
 627         function setupDatabase() {
 628                 global $wgDBprefix, $wgDBtype;
 629                 if ( $this->databaseSetupDone ) {
 630                         return;
 631                 }
 632                 if ( $wgDBprefix === 'parsertest_' || ($wgDBtype == 'oracle' && $wgDBprefix === 'pt_')) {
 633                         throw new MWException( 'setupDatabase should be called before setupGlobals' );
 634                 }
 635                 $this->databaseSetupDone = true;
 636                 $this->oldTablePrefix = $wgDBprefix;
 637
 638                 # CREATE TEMPORARY TABLE breaks if there is more than one server
 639                 # FIXME: r40209 makes temporary tables break even with just one server
 640                 # FIXME: (bug 15892); disabling the feature entirely as a temporary fix
 641                 if ( true || wfGetLB()->getServerCount() != 1 ) {
 642                         $this->useTemporaryTables = false;
 643                 }
 644
 645                 $temporary = $this->useTemporaryTables || $wgDBtype == 'postgres';
 646
 647                 $db = wfGetDB( DB_MASTER );
 648                 $tables = $this->listTables();
 649
 650                 foreach ( $tables as $tbl ) {
 651                         # Clean up from previous aborted run.  So that table escaping
 652                         # works correctly across DB engines, we need to change the pre-
 653                         # fix back and forth so tableName() works right.
 654                         $this->changePrefix( $this->oldTablePrefix );
 655                         $oldTableName = $db->tableName( $tbl );
 656                         $this->changePrefix( $wgDBtype != 'oracle' ? 'parsertest_' : 'pt_' );
 657                         $newTableName = $db->tableName( $tbl );
 658
 659                         if ( $db->tableExists( $tbl ) && $wgDBtype != 'postgres' && $wgDBtype != 'oracle' ) {
 660                                 $db->query( "DROP TABLE $newTableName" );
 661                         }
 662                         # Create new table
 663                         $db->duplicateTableStructure( $oldTableName, $newTableName, $temporary );
 664                 }
 665                 if ($wgDBtype == 'oracle')
 666                         $db->query('BEGIN FILL_WIKI_INFO; END;');
 667
 668                 $this->changePrefix( $wgDBtype != 'oracle' ? 'parsertest_' : 'pt_' );
 669
 670                 # Hack: insert a few Wikipedia in-project interwiki prefixes,
 671                 # for testing inter-language links
 672                 $db->insert( 'interwiki', array(
 673                         array( 'iw_prefix' => 'wikipedia',
 674                                    'iw_url'    => 'http://en.wikipedia.org/wiki/$1',
 675                                    'iw_local'  => 0 ),
 676                         array( 'iw_prefix' => 'meatball',
 677                                    'iw_url'    => 'http://www.usemod.com/cgi-bin/mb.pl?$1',
 678                                    'iw_local'  => 0 ),
 679                         array( 'iw_prefix' => 'zh',
 680                                    'iw_url'    => 'http://zh.wikipedia.org/wiki/$1',
 681                                    'iw_local'  => 1 ),
 682                         array( 'iw_prefix' => 'es',
 683                                    'iw_url'    => 'http://es.wikipedia.org/wiki/$1',
 684                                    'iw_local'  => 1 ),
 685                         array( 'iw_prefix' => 'fr',
 686                                    'iw_url'    => 'http://fr.wikipedia.org/wiki/$1',
 687                                    'iw_local'  => 1 ),
 688                         array( 'iw_prefix' => 'ru',
 689                                    'iw_url'    => 'http://ru.wikipedia.org/wiki/$1',
 690                                    'iw_local'  => 1 ),
 691                         ) );
 692
 693
 694                 if ($wgDBtype == 'oracle') {
 695                         # Insert 0 and 1 user_ids to prevent FK violations
 696
 697                         #Anonymous user
 698                         $db->insert( 'user', array(
 699                                 'user_id'         => 0,
 700                                 'user_name'       => 'Anonymous') );
 701
 702                         # Hack-on-Hack: Insert a test user to be able to insert an image
 703                         $db->insert( 'user', array(
 704                                 'user_id'         => 1,
 705                                 'user_name'       => 'Tester') );
 706                 }
 707
 708                 # Hack: Insert an image to work with
 709                 $db->insert( 'image', array(
 710                         'img_name'        => 'Foobar.jpg',
 711                         'img_size'        => 12345,
 712                         'img_description' => 'Some lame file',
 713                         'img_user'        => 1,
 714                         'img_user_text'   => 'WikiSysop',
 715                         'img_timestamp'   => $db->timestamp( '20010115123500' ),
 716                         'img_width'       => 1941,
 717                         'img_height'      => 220,
 718                         'img_bits'        => 24,
 719                         'img_media_type'  => MEDIATYPE_BITMAP,
 720                         'img_major_mime'  => "image",
 721                         'img_minor_mime'  => "jpeg",
 722                         'img_metadata'    => serialize( array() ),
 723                         ) );
 724
 725                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
 726                 $db->insert( 'image', array(
 727                         'img_name'        => 'Bad.jpg',
 728                         'img_size'        => 12345,
 729                         'img_description' => 'zomgnotcensored',
 730                         'img_user'        => 1,
 731                         'img_user_text'   => 'WikiSysop',
 732                         'img_timestamp'   => $db->timestamp( '20010115123500' ),
 733                         'img_width'       => 320,
 734                         'img_height'      => 240,
 735                         'img_bits'        => 24,
 736                         'img_media_type'  => MEDIATYPE_BITMAP,
 737                         'img_major_mime'  => "image",
 738                         'img_minor_mime'  => "jpeg",
 739                         'img_metadata'    => serialize( array() ),
 740                         ) );
 741
 742                 # Update certain things in site_stats
 743                 $db->insert( 'site_stats', array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ) );
 744
 745                 # Reinitialise the LocalisationCache to match the database state
 746                 Language::getLocalisationCache()->unloadAll();
 747
 748                 # Make a new message cache
 749                 global $wgMessageCache, $wgMemc;
 750                 $wgMessageCache = new MessageCache( $wgMemc, true, 3600, '' );
 751         }
 752
 753         /**
 754          * Change the table prefix on all open DB connections/
 755          */
 756         protected function changePrefix( $prefix ) {
 757                 global $wgDBprefix;
 758                 wfGetLBFactory()->forEachLB( array( $this, 'changeLBPrefix' ), array( $prefix ) );
 759                 $wgDBprefix = $prefix;
 760         }
 761
 762         public function changeLBPrefix( $lb, $prefix ) {
 763                 $lb->forEachOpenConnection( array( $this, 'changeDBPrefix' ), array( $prefix ) );
 764         }
 765
 766         public function changeDBPrefix( $db, $prefix ) {
 767                 $db->tablePrefix( $prefix );
 768         }
 769
 770         private function teardownDatabase() {
 771                 global $wgDBtype;
 772                 if ( !$this->databaseSetupDone ) {
 773                         return;
 774                 }
 775                 $this->changePrefix( $this->oldTablePrefix );
 776                 $this->databaseSetupDone = false;
 777                 if ( $this->useTemporaryTables ) {
 778                         # Don't need to do anything
 779                         return;
 780                 }
 781
 782                 /*
 783                 $tables = $this->listTables();
 784                 $db = wfGetDB( DB_MASTER );
 785                 foreach ( $tables as $table ) {
 786                         $sql = $wgDBtype == 'oracle' ? "DROP TABLE pt_$table DROP CONSTRAINTS" : "DROP TABLE `parsertest_$table`";
 787                         $db->query( $sql );
 788                 }
 789                 if ($wgDBtype == 'oracle')
 790                         $db->query('BEGIN FILL_WIKI_INFO; END;');
 791                 */
 792         }
 793
 794         /**
 795          * Create a dummy uploads directory which will contain a couple
 796          * of files in order to pass existence tests.
 797          *
 798          * @return String: the directory
 799          */
 800         private function setupUploadDir() {
 801                 global $IP;
 802                 if ( $this->keepUploads ) {
 803                         $dir = wfTempDir() . '/mwParser-images';
 804                         if ( is_dir( $dir ) ) {
 805                                 return $dir;
 806                         }
 807                 } else {
 808                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
 809                 }
 810
 811                 wfDebug( "Creating upload directory $dir\n" );
 812                 if ( file_exists( $dir ) ) {
 813                         wfDebug( "Already exists!\n" );
 814                         return $dir;
 815                 }
 816                 wfMkdirParents( $dir . '/3/3a' );
 817                 copy( "$IP/skins/monobook/headbg.jpg", "$dir/3/3a/Foobar.jpg" );
 818
 819                 wfMkdirParents( $dir . '/0/09' );
 820                 copy( "$IP/skins/monobook/headbg.jpg", "$dir/0/09/Bad.jpg" );
 821                 return $dir;
 822         }
 823
 824         /**
 825          * Restore default values and perform any necessary clean-up
 826          * after each test runs.
 827          */
 828         private function teardownGlobals() {
 829                 RepoGroup::destroySingleton();
 830                 LinkCache::singleton()->clear();
 831                 foreach( $this->savedGlobals as $var => $val ) {
 832                         $GLOBALS[$var] = $val;
 833                 }
 834                 if( isset( $this->uploadDir ) ) {
 835                         $this->teardownUploadDir( $this->uploadDir );
 836                         unset( $this->uploadDir );
 837                 }
 838         }
 839
 840         /**
 841          * Remove the dummy uploads directory
 842          */
 843         private function teardownUploadDir( $dir ) {
 844                 if ( $this->keepUploads ) {
 845                         return;
 846                 }
 847
 848                 // delete the files first, then the dirs.
 849                 self::deleteFiles(
 850                         array (
 851                                 "$dir/3/3a/Foobar.jpg",
 852                                 "$dir/thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
 853                                 "$dir/thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
 854                                 "$dir/thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
 855                                 "$dir/thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
 856
 857                                 "$dir/0/09/Bad.jpg",
 858
 859                                 "$dir/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
 860                         )
 861                 );
 862
 863                 self::deleteDirs(
 864                         array (
 865                                 "$dir/3/3a",
 866                                 "$dir/3",
 867                                 "$dir/thumb/6/65",
 868                                 "$dir/thumb/6",
 869                                 "$dir/thumb/3/3a/Foobar.jpg",
 870                                 "$dir/thumb/3/3a",
 871                                 "$dir/thumb/3",
 872
 873                                 "$dir/0/09/",
 874                                 "$dir/0/",
 875                                 "$dir/thumb",
 876                                 "$dir/math/f/a/5",
 877                                 "$dir/math/f/a",
 878                                 "$dir/math/f",
 879                                 "$dir/math",
 880                                 "$dir",
 881                         )
 882                 );
 883         }
 884
 885         /**
 886          * Delete the specified files, if they exist.
 887          * @param $files Array: full paths to files to delete.
 888          */
 889         private static function deleteFiles( $files ) {
 890                 foreach( $files as $file ) {
 891                         if( file_exists( $file ) ) {
 892                                 unlink( $file );
 893                         }
 894                 }
 895         }
 896
 897         /**
 898          * Delete the specified directories, if they exist. Must be empty.
 899          * @param $dirs Array: full paths to directories to delete.
 900          */
 901         private static function deleteDirs( $dirs ) {
 902                 foreach( $dirs as $dir ) {
 903                         if( is_dir( $dir ) ) {
 904                                 rmdir( $dir );
 905                         }
 906                 }
 907         }
 908
 909         /**
 910          * "Running test $desc..."
 911          */
 912         protected function showTesting( $desc ) {
 913                 print "Running test $desc... ";
 914         }
 915
 916         /**
 917          * Print a happy success message.
 918          *
 919          * @param $desc String: the test name
 920          * @return Boolean
 921          */
 922         protected function showSuccess( $desc ) {
 923                 if( $this->showProgress ) {
 924                         print $this->term->color( '1;32' ) . 'PASSED' . $this->term->reset() . "\n";
 925                 }
 926                 return true;
 927         }
 928
 929         /**
 930          * Print a failure message and provide some explanatory output
 931          * about what went wrong if so configured.
 932          *
 933          * @param $desc String: the test name
 934          * @param $result String: expected HTML output
 935          * @param $html String: actual HTML output
 936          * @return Boolean
 937          */
 938         protected function showFailure( $desc, $result, $html ) {
 939                 if( $this->showFailure ) {
 940                         if( !$this->showProgress ) {
 941                                 # In quiet mode we didn't show the 'Testing' message before the
 942                                 # test, in case it succeeded. Show it now:
 943                                 $this->showTesting( $desc );
 944                         }
 945                         print $this->term->color( '31' ) . 'FAILED!' . $this->term->reset() . "\n";
 946                         if ( $this->showOutput ) {
 947                                 print "--- Expected ---\n$result\n--- Actual ---\n$html\n";
 948                         }
 949                         if( $this->showDiffs ) {
 950                                 print $this->quickDiff( $result, $html );
 951                                 if( !$this->wellFormed( $html ) ) {
 952                                         print "XML error: $this->mXmlError\n";
 953                                 }
 954                         }
 955                 }
 956                 return false;
 957         }
 958
 959         /**
 960          * Run given strings through a diff and return the (colorized) output.
 961          * Requires writable /tmp directory and a 'diff' command in the PATH.
 962          *
 963          * @param $input String
 964          * @param $output String
 965          * @param $inFileTail String: tailing for the input file name
 966          * @param $outFileTail String: tailing for the output file name
 967          * @return String
 968          */
 969         protected function quickDiff( $input, $output, $inFileTail='expected', $outFileTail='actual' ) {
 970                 $prefix = wfTempDir() . "/mwParser-" . mt_rand();
 971
 972                 $infile = "$prefix-$inFileTail";
 973                 $this->dumpToFile( $input, $infile );
 974
 975                 $outfile = "$prefix-$outFileTail";
 976                 $this->dumpToFile( $output, $outfile );
 977
 978                 $diff = `diff -au $infile $outfile`;
 979                 unlink( $infile );
 980                 unlink( $outfile );
 981
 982                 return $this->colorDiff( $diff );
 983         }
 984
 985         /**
 986          * Write the given string to a file, adding a final newline.
 987          *
 988          * @param $data String
 989          * @param $filename String
 990          */
 991         private function dumpToFile( $data, $filename ) {
 992                 $file = fopen( $filename, "wt" );
 993                 fwrite( $file, $data . "\n" );
 994                 fclose( $file );
 995         }
 996
 997         /**
 998          * Colorize unified diff output if set for ANSI color output.
 999          * Subtractions are colored blue, additions red.
1000          *
1001          * @param $text String
1002          * @return String
1003          */
1004         protected function colorDiff( $text ) {
1005                 return preg_replace(
1006                         array( '/^(-.*)$/m', '/^(\+.*)$/m' ),
1007                         array( $this->term->color( 34 ) . '$1' . $this->term->reset(),
1008                                $this->term->color( 31 ) . '$1' . $this->term->reset() ),
1009                         $text );
1010         }
1011
1012         /**
1013          * Show "Reading tests from ..."
1014          *
1015          * @param $path String
1016          */
1017         public function showRunFile( $path ){
1018                 print $this->term->color( 1 ) .
1019                         "Reading tests from \"$path\"..." .
1020                         $this->term->reset() .
1021                         "\n";
1022         }
1023
1024         /**
1025          * Insert a temporary test article
1026          * @param $name String: the title, including any prefix
1027          * @param $text String: the article text
1028          * @param $line Integer: the input line number, for reporting errors
1029          */
1030         public function addArticle($name, $text, $line) {
1031                 $this->setupGlobals();
1032                 $title = Title::newFromText( $name );
1033                 if ( is_null($title) ) {
1034                         wfDie( "invalid title at line $line\n" );
1035                 }
1036
1037                 $aid = $title->getArticleID( GAID_FOR_UPDATE );
1038                 if ($aid != 0) {
1039                         wfDie( "duplicate article '$name' at line $line\n" );
1040                 }
1041
1042                 $art = new Article($title);
1043                 $art->insertNewArticle($text, '', false, false );
1044
1045                 $this->teardownGlobals();
1046         }
1047
1048         /**
1049          * Steal a callback function from the primary parser, save it for
1050          * application to our scary parser. If the hook is not installed,
1051          * die a painful dead to warn the others.
1052          *
1053          * @param $name String
1054          */
1055         public function requireHook( $name ) {
1056                 global $wgParser;
1057                 $wgParser->firstCallInit( ); //make sure hooks are loaded.
1058                 if( isset( $wgParser->mTagHooks[$name] ) ) {
1059                         $this->hooks[$name] = $wgParser->mTagHooks[$name];
1060                 } else {
1061                         wfDie( "This test suite requires the '$name' hook extension.\n" );
1062                 }
1063         }
1064
1065         /**
1066          * Steal a callback function from the primary parser, save it for
1067          * application to our scary parser. If the hook is not installed,
1068          * die a painful dead to warn the others.
1069          *
1070          * @param $name String
1071          */
1072         public function requireFunctionHook( $name ) {
1073                 global $wgParser;
1074                 $wgParser->firstCallInit( ); //make sure hooks are loaded.
1075                 if( isset( $wgParser->mFunctionHooks[$name] ) ) {
1076                         $this->functionHooks[$name] = $wgParser->mFunctionHooks[$name];
1077                 } else {
1078                         wfDie( "This test suite requires the '$name' function hook extension.\n" );
1079                 }
1080         }
1081
1082         /*
1083          * Run the "tidy" command on text if the $wgUseTidy
1084          * global is true
1085          *
1086          * @param $text String: the text to tidy
1087          * @return String
1088          * @static
1089          */
1090         private function tidy( $text ) {
1091                 global $wgUseTidy;
1092                 if ($wgUseTidy) {
1093                         $text = Parser::tidy($text);
1094                 }
1095                 return $text;
1096         }
1097
1098         private function wellFormed( $text ) {
1099                 $html =
1100                         Sanitizer::hackDocType() .
1101                         '<html>' .
1102                         $text .
1103                         '</html>';
1104
1105                 $parser = xml_parser_create( "UTF-8" );
1106
1107                 # case folding violates XML standard, turn it off
1108                 xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, false );
1109
1110                 if( !xml_parse( $parser, $html, true ) ) {
1111                         $err = xml_error_string( xml_get_error_code( $parser ) );
1112                         $position = xml_get_current_byte_index( $parser );
1113                         $fragment = $this->extractFragment( $html, $position );
1114                         $this->mXmlError = "$err at byte $position:\n$fragment";
1115                         xml_parser_free( $parser );
1116                         return false;
1117                 }
1118                 xml_parser_free( $parser );
1119                 return true;
1120         }
1121
1122         private function extractFragment( $text, $position ) {
1123                 $start = max( 0, $position - 10 );
1124                 $before = $position - $start;
1125                 $fragment = '...' .
1126                         $this->term->color( 34 ) .
1127                         substr( $text, $start, $before ) .
1128                         $this->term->color( 0 ) .
1129                         $this->term->color( 31 ) .
1130                         $this->term->color( 1 ) .
1131                         substr( $text, $position, 1 ) .
1132                         $this->term->color( 0 ) .
1133                         $this->term->color( 34 ) .
1134                         substr( $text, $position + 1, 9 ) .
1135                         $this->term->color( 0 ) .
1136                         '...';
1137                 $display = str_replace( "\n", ' ', $fragment );
1138                 $caret = '   ' .
1139                         str_repeat( ' ', $before ) .
1140                         $this->term->color( 31 ) .
1141                         '^' .
1142                         $this->term->color( 0 );
1143                 return "$display\n$caret";
1144         }
1145 }
1146
1147 class AnsiTermColorer {
1148         function __construct() {
1149         }
1150
1151         /**
1152          * Return ANSI terminal escape code for changing text attribs/color
1153          *
1154          * @param $color String: semicolon-separated list of attribute/color codes
1155          * @return String
1156          */
1157         public function color( $color ) {
1158                 global $wgCommandLineDarkBg;
1159                 $light = $wgCommandLineDarkBg ? "1;" : "0;";
1160                 return "\x1b[{$light}{$color}m";
1161         }
1162
1163         /**
1164          * Return ANSI terminal escape code for restoring default text attributes
1165          *
1166          * @return String
1167          */
1168         public function reset() {
1169                 return $this->color( 0 );
1170         }
1171 }
1172
1173 /* A colour-less terminal */
1174 class DummyTermColorer {
1175         public function color( $color ) {
1176                 return '';
1177         }
1178
1179         public function reset() {
1180                 return '';
1181         }
1182 }
1183
1184 class TestRecorder {
1185         var $parent;
1186         var $term;
1187
1188         function __construct( $parent ) {
1189                 $this->parent = $parent;
1190                 $this->term = $parent->term;
1191         }
1192
1193         function start() {
1194                 $this->total = 0;
1195                 $this->success = 0;
1196         }
1197
1198         function record( $test, $result ) {
1199                 $this->total++;
1200                 $this->success += ($result ? 1 : 0);
1201         }
1202
1203         function end() {
1204                 // dummy
1205         }
1206
1207         function report() {
1208                 if( $this->total > 0 ) {
1209                         $this->reportPercentage( $this->success, $this->total );
1210                 } else {
1211                         wfDie( "No tests found.\n" );
1212                 }
1213         }
1214
1215         function reportPercentage( $success, $total ) {
1216                 $ratio = wfPercent( 100 * $success / $total );
1217                 print $this->term->color( 1 ) . "Passed $success of $total tests ($ratio)... ";
1218                 if( $success == $total ) {
1219                         print $this->term->color( 32 ) . "ALL TESTS PASSED!";
1220                 } else {
1221                         $failed = $total - $success ;
1222                         print $this->term->color( 31 ) . "$failed tests failed!";
1223                 }
1224                 print $this->term->reset() . "\n";
1225                 return ($success == $total);
1226         }
1227 }
1228
1229 class DbTestPreviewer extends TestRecorder  {
1230         protected $lb;      ///< Database load balancer
1231         protected $db;      ///< Database connection to the main DB
1232         protected $curRun;  ///< run ID number for the current run
1233         protected $prevRun; ///< run ID number for the previous run, if any
1234         protected $results; ///< Result array
1235
1236         /**
1237          * This should be called before the table prefix is changed
1238          */
1239         function __construct( $parent ) {
1240                 parent::__construct( $parent );
1241                 $this->lb = wfGetLBFactory()->newMainLB();
1242                 // This connection will have the wiki's table prefix, not parsertest_
1243                 $this->db = $this->lb->getConnection( DB_MASTER );
1244         }
1245
1246         /**
1247          * Set up result recording; insert a record for the run with the date
1248          * and all that fun stuff
1249          */
1250         function start() {
1251                 global $wgDBtype;
1252                 parent::start();
1253
1254                 if( ! $this->db->tableExists( 'testrun' )
1255                         or ! $this->db->tableExists( 'testitem' ) )
1256                 {
1257                         print "WARNING> `testrun` table not found in database.\n";
1258                         $this->prevRun = false;
1259                 } else {
1260                         // We'll make comparisons against the previous run later...
1261                         $this->prevRun = $this->db->selectField( 'testrun', 'MAX(tr_id)' );
1262                 }
1263                 $this->results = array();
1264         }
1265
1266         function record( $test, $result ) {
1267                 parent::record( $test, $result );
1268                 $this->results[$test] = $result;
1269         }
1270
1271         function report() {
1272                 if( $this->prevRun ) {
1273                         // f = fail, p = pass, n = nonexistent
1274                         // codes show before then after
1275                         $table = array(
1276                                 'fp' => 'previously failing test(s) now PASSING! :)',
1277                                 'pn' => 'previously PASSING test(s) removed o_O',
1278                                 'np' => 'new PASSING test(s) :)',
1279
1280                                 'pf' => 'previously passing test(s) now FAILING! :(',
1281                                 'fn' => 'previously FAILING test(s) removed O_o',
1282                                 'nf' => 'new FAILING test(s) :(',
1283                                 'ff' => 'still FAILING test(s) :(',
1284                         );
1285
1286                         $prevResults = array();
1287
1288                         $res = $this->db->select( 'testitem', array( 'ti_name', 'ti_success' ),
1289                                 array( 'ti_run' => $this->prevRun ), __METHOD__ );
1290                         foreach ( $res as $row ) {
1291                                 if ( !$this->parent->regex
1292                                         || preg_match( "/{$this->parent->regex}/i", $row->ti_name ) )
1293                                 {
1294                                         $prevResults[$row->ti_name] = $row->ti_success;
1295                                 }
1296                         }
1297
1298                         $combined = array_keys( $this->results + $prevResults );
1299
1300                         # Determine breakdown by change type
1301                         $breakdown = array();
1302                         foreach ( $combined as $test ) {
1303                                 if ( !isset( $prevResults[$test] ) ) {
1304                                         $before = 'n';
1305                                 } elseif ( $prevResults[$test] == 1 ) {
1306                                         $before = 'p';
1307                                 } else /* if ( $prevResults[$test] == 0 )*/ {
1308                                         $before = 'f';
1309                                 }
1310                                 if ( !isset( $this->results[$test] ) ) {
1311                                         $after = 'n';
1312                                 } elseif ( $this->results[$test] == 1 ) {
1313                                         $after = 'p';
1314                                 } else /*if ( $this->results[$test] == 0 ) */ {
1315                                         $after = 'f';
1316                                 }
1317                                 $code = $before . $after;
1318                                 if ( isset( $table[$code] ) ) {
1319                                         $breakdown[$code][$test] = $this->getTestStatusInfo( $test, $after );
1320                                 }
1321                         }
1322
1323                         # Write out results
1324                         foreach ( $table as $code => $label ) {
1325                                 if( !empty( $breakdown[$code] ) ) {
1326                                         $count = count($breakdown[$code]);
1327                                         printf( "\n%4d %s\n", $count, $label );
1328                                         foreach ($breakdown[$code] as $differing_test_name => $statusInfo) {
1329                                                 print "      * $differing_test_name  [$statusInfo]\n";
1330                                         }
1331                                 }
1332                         }
1333                 } else {
1334                         print "No previous test runs to compare against.\n";
1335                 }
1336                 print "\n";
1337                 parent::report();
1338         }
1339
1340         /**
1341          ** Returns a string giving information about when a test last had a status change.
1342          ** Could help to track down when regressions were introduced, as distinct from tests
1343          ** which have never passed (which are more change requests than regressions).
1344          */
1345         private function getTestStatusInfo($testname, $after) {
1346
1347                 // If we're looking at a test that has just been removed, then say when it first appeared.
1348                 if ( $after == 'n' ) {
1349                         $changedRun = $this->db->selectField ( 'testitem',
1350                                                                                                    'MIN(ti_run)',
1351                                                                                                    array( 'ti_name' => $testname ),
1352                                                                                                    __METHOD__ );
1353                         $appear = $this->db->selectRow ( 'testrun',
1354                                                                                          array( 'tr_date', 'tr_mw_version' ),
1355                                                                                          array( 'tr_id' => $changedRun ),
1356                                                                                          __METHOD__ );
1357                         return "First recorded appearance: "
1358                                . date( "d-M-Y H:i:s",  strtotime ( $appear->tr_date ) )
1359                                .  ", " . $appear->tr_mw_version;
1360                 }
1361
1362                 // Otherwise, this test has previous recorded results.
1363                 // See when this test last had a different result to what we're seeing now.
1364                 $conds = array(
1365                         'ti_name'    => $testname,
1366                         'ti_success' => ($after == 'f' ? "1" : "0") );
1367                 if ( $this->curRun ) {
1368                         $conds[] = "ti_run != " . $this->db->addQuotes ( $this->curRun );
1369                 }
1370
1371                 $changedRun = $this->db->selectField ( 'testitem', 'MAX(ti_run)', $conds, __METHOD__ );
1372
1373                 // If no record of ever having had a different result.
1374                 if ( is_null ( $changedRun ) ) {
1375                         if ($after == "f") {
1376                                 return "Has never passed";
1377                         } else {
1378                                 return "Has never failed";
1379                         }
1380                 }
1381
1382                 // Otherwise, we're looking at a test whose status has changed.
1383                 // (i.e. it used to work, but now doesn't; or used to fail, but is now fixed.)
1384                 // In this situation, give as much info as we can as to when it changed status.
1385                 $pre  = $this->db->selectRow ( 'testrun',
1386                                                                                 array( 'tr_date', 'tr_mw_version' ),
1387                                                                                 array( 'tr_id' => $changedRun ),
1388                                                                                 __METHOD__ );
1389                 $post = $this->db->selectRow ( 'testrun',
1390                                                                                 array( 'tr_date', 'tr_mw_version' ),
1391                                                                                 array( "tr_id > " . $this->db->addQuotes ( $changedRun) ),
1392                                                                                 __METHOD__,
1393                                                                                 array( "LIMIT" => 1, "ORDER BY" => 'tr_id' )
1394                                                                          );
1395
1396                 if ( $post ) {
1397                         $postDate = date( "d-M-Y H:i:s",  strtotime ( $post->tr_date  ) ) . ", {$post->tr_mw_version}";
1398                 } else {
1399                         $postDate = 'now';
1400                 }
1401                 return ( $after == "f" ? "Introduced" : "Fixed" ) . " between "
1402                                 . date( "d-M-Y H:i:s",  strtotime ( $pre->tr_date ) ) .  ", " . $pre->tr_mw_version
1403                                 . " and $postDate";
1404
1405         }
1406
1407         /**
1408          * Commit transaction and clean up for result recording
1409          */
1410         function end() {
1411                 $this->lb->commitMasterChanges();
1412                 $this->lb->closeAll();
1413                 parent::end();
1414         }
1415
1416 }
1417
1418 class DbTestRecorder extends DbTestPreviewer  {
1419         /**
1420          * Set up result recording; insert a record for the run with the date
1421          * and all that fun stuff
1422          */
1423         function start() {
1424                 global $wgDBtype, $options;
1425                 $this->db->begin();
1426
1427                 if( ! $this->db->tableExists( 'testrun' )
1428                         or ! $this->db->tableExists( 'testitem' ) )
1429                 {
1430                         print "WARNING> `testrun` table not found in database. Trying to create table.\n";
1431                         if ($wgDBtype === 'postgres')
1432                                 $this->db->sourceFile( dirname(__FILE__) . '/testRunner.postgres.sql' );
1433                         elseif ($wgDBtype === 'oracle')
1434                                 $this->db->sourceFile( dirname(__FILE__) . '/testRunner.ora.sql' );
1435                         else
1436                                 $this->db->sourceFile( dirname(__FILE__) . '/testRunner.sql' );
1437                         echo "OK, resuming.\n";
1438                 }
1439
1440                 parent::start();
1441
1442                 $this->db->insert( 'testrun',
1443                         array(
1444                                 'tr_date'        => $this->db->timestamp(),
1445                                 'tr_mw_version'  => isset( $options['setversion'] ) ?
1446                                         $options['setversion'] : SpecialVersion::getVersion(),
1447                                 'tr_php_version' => phpversion(),
1448                                 'tr_db_version'  => $this->db->getServerVersion(),
1449                                 'tr_uname'       => php_uname()
1450                         ),
1451                         __METHOD__ );
1452                         if ($wgDBtype === 'postgres')
1453                                 $this->curRun = $this->db->currentSequenceValue('testrun_id_seq');
1454                         else
1455                                 $this->curRun = $this->db->insertId();
1456         }
1457
1458         /**
1459          * Record an individual test item's success or failure to the db
1460          *
1461          * @param $test String
1462          * @param $result Boolean
1463          */
1464         function record( $test, $result ) {
1465                 parent::record( $test, $result );
1466                 $this->db->insert( 'testitem',
1467                         array(
1468                                 'ti_run'     => $this->curRun,
1469                                 'ti_name'    => $test,
1470                                 'ti_success' => $result ? 1 : 0,
1471                         ),
1472                         __METHOD__ );
1473         }
1474 }
1475
1476 class RemoteTestRecorder extends TestRecorder {
1477         function start() {
1478                 parent::start();
1479                 $this->results = array();
1480                 $this->ping( 'running' );
1481         }
1482
1483         function record( $test, $result ) {
1484                 parent::record( $test, $result );
1485                 $this->results[$test] = (bool)$result;
1486         }
1487
1488         function end() {
1489                 $this->ping( 'complete', $this->results );
1490                 parent::end();
1491         }
1492
1493         /**
1494          * Inform a CodeReview instance that we've started or completed a test run...
1495          *
1496          * @param $status string: "running" - tell it we've started
1497          *                        "complete" - provide test results array
1498          *                        "abort" - something went horribly awry
1499          * @param $results array of test name => true/false
1500          */
1501         function ping( $status, $results=false ) {
1502                 global $wgParserTestRemote, $IP;
1503
1504                 $remote = $wgParserTestRemote;
1505                 $revId = SpecialVersion::getSvnRevision( $IP );
1506                 $jsonResults = json_encode( $results );
1507
1508                 if( !$remote ) {
1509                         print "Can't do remote upload without configuring \$wgParserTestRemote!\n";
1510                         exit( 1 );
1511                 }
1512
1513                 // Generate a hash MAC to validate our credentials
1514                 $message = array(
1515                         $remote['repo'],
1516                         $remote['suite'],
1517                         $revId,
1518                         $status,
1519                 );
1520                 if( $status == "complete" ) {
1521                         $message[] = $jsonResults;
1522                 }
1523                 $hmac = hash_hmac( "sha1", implode( "|", $message ), $remote['secret'] );
1524
1525                 $postData = array(
1526                         'action' => 'codetestupload',
1527                         'format' => 'json',
1528                         'repo'   => $remote['repo'],
1529                         'suite'  => $remote['suite'],
1530                         'rev'    => $revId,
1531                         'status' => $status,
1532                         'hmac'   => $hmac,
1533                 );
1534                 if( $status == "complete" ) {
1535                         $postData['results'] = $jsonResults;
1536                 }
1537                 $response = $this->post( $remote['api-url'], $postData );
1538
1539                 if( $response === false ) {
1540                         print "CodeReview info upload failed to reach server.\n";
1541                         exit( 1 );
1542                 }
1543                 $responseData = json_decode( $response, true );
1544                 if( !is_array( $responseData ) ) {
1545                         print "CodeReview API response not recognized...\n";
1546                         wfDebug( "Unrecognized CodeReview API response: $response\n" );
1547                         exit( 1 );
1548                 }
1549                 if( isset( $responseData['error'] ) ) {
1550                         $code = $responseData['error']['code'];
1551                         $info = $responseData['error']['info'];
1552                         print "CodeReview info upload failed: $code $info\n";
1553                         exit( 1 );
1554                 }
1555         }
1556
1557         function post( $url, $data ) {
1558                 return Http::post( $url, array( 'postData' => $data) );
1559         }
1560 }
1561
1562 class TestFileIterator implements Iterator {
1563     private $file;
1564     private $fh;
1565     private $parser;
1566     private $index = 0;
1567     private $test;
1568         private $lineNum;
1569         private $eof;
1570
1571         function __construct( $file, $parser = null ) {
1572                 global $IP;
1573
1574                 $this->file = $file;
1575         $this->fh = fopen($this->file, "rt");
1576         if( !$this->fh ) {
1577                         wfDie( "Couldn't open file '$file'\n" );
1578                 }
1579
1580                 $this->parser = $parser;
1581
1582                 if( $this->parser ) $this->parser->showRunFile( wfRelativePath( $this->file, $IP ) );
1583                 $this->lineNum = $this->index = 0;
1584         }
1585
1586         function setParser( ParserTest $parser ) {
1587                 $this->parser = $parser;
1588         }
1589
1590         function rewind() {
1591                 if(fseek($this->fh, 0)) {
1592                         wfDie( "Couldn't fseek to the start of '$filename'\n" );
1593                 }
1594                 $this->index = 0;
1595                 $this->lineNum = 0;
1596                 $this->eof = false;
1597                 $this->readNextTest();
1598
1599                 return true;
1600     }
1601
1602     function current() {
1603                 return $this->test;
1604     }
1605
1606     function key() {
1607                 return $this->index;
1608     }
1609
1610     function next() {
1611         if($this->readNextTest()) {
1612                         $this->index++;
1613                         return true;
1614                 } else {
1615                         $this->eof = true;
1616                 }
1617     }
1618
1619     function valid() {
1620                 return $this->eof != true;
1621     }
1622
1623         function readNextTest() {
1624                 $data = array();
1625                 $section = null;
1626
1627                 while( false !== ($line = fgets( $this->fh ) ) ) {
1628                         $this->lineNum++;
1629                         $matches = array();
1630                         if( preg_match( '/^!!\s*(\w+)/', $line, $matches ) ) {
1631                                 $section = strtolower( $matches[1] );
1632                                 if( $section == 'endarticle') {
1633                                         if( !isset( $data['text'] ) ) {
1634                                                 wfDie( "'endarticle' without 'text' at line {$this->lineNum} of $filename\n" );
1635                                         }
1636                                         if( !isset( $data['article'] ) ) {
1637                                                 wfDie( "'endarticle' without 'article' at line {$this->lineNum} of $filename\n" );
1638                                         }
1639                                         if( $this->parser ) $this->parser->addArticle($this->parser->chomp($data['article']), $this->parser->chomp($data['text']),
1640                                                                                           $this->lineNum);
1641                                         $data = array();
1642                                         $section = null;
1643                                         continue;
1644                                 }
1645                                 if( $section == 'endhooks' ) {
1646                                         if( !isset( $data['hooks'] ) ) {
1647                                                 wfDie( "'endhooks' without 'hooks' at line {$this->lineNum} of $filename\n" );
1648                                         }
1649                                         foreach( explode( "\n", $data['hooks'] ) as $line ) {
1650                                                 $line = trim( $line );
1651                                                 if( $line ) {
1652                                                         if( $this->parser ) $this->parser->requireHook( $line );
1653                                                 }
1654                                         }
1655                                         $data = array();
1656                                         $section = null;
1657                                         continue;
1658                                 }
1659                                 if( $section == 'endfunctionhooks' ) {
1660                                         if( !isset( $data['functionhooks'] ) ) {
1661                                                 wfDie( "'endfunctionhooks' without 'functionhooks' at line {$this->lineNum} of $filename\n" );
1662                                         }
1663                                         foreach( explode( "\n", $data['functionhooks'] ) as $line ) {
1664                                                 $line = trim( $line );
1665                                                 if( $line ) {
1666                                                         if( $this->parser ) $this->parser->requireFunctionHook( $line );
1667                                                 }
1668                                         }
1669                                         $data = array();
1670                                         $section = null;
1671                                         continue;
1672                                 }
1673                                 if( $section == 'end' ) {
1674                                         if( !isset( $data['test'] ) ) {
1675                                                 wfDie( "'end' without 'test' at line {$this->lineNum} of $filename\n" );
1676                                         }
1677                                         if( !isset( $data['input'] ) ) {
1678                                                 wfDie( "'end' without 'input' at line {$this->lineNum} of $filename\n" );
1679                                         }
1680                                         if( !isset( $data['result'] ) ) {
1681                                                 wfDie( "'end' without 'result' at line {$this->lineNum} of $filename\n" );
1682                                         }
1683                                         if( !isset( $data['options'] ) ) {
1684                                                 $data['options'] = '';
1685                                         }
1686                                         if (!isset( $data['config'] ) )
1687                                                 $data['config'] = '';
1688
1689                                         if ( $this->parser && (preg_match('/\\bdisabled\\b/i', $data['options'])
1690                                                 || !preg_match("/{$this->parser->regex}/i", $data['test'])) && !$this->parser->runDisabled ) {
1691                                                 # disabled test
1692                                                 $data = array();
1693                                                 $section = null;
1694                                                 continue;
1695                                         }
1696                                         if ( $this->parser &&
1697                                                  preg_match('/\\bmath\\b/i', $data['options']) && !$this->parser->savedGlobals['wgUseTeX'] ) {
1698                                                 # don't run math tests if $wgUseTeX is set to false in LocalSettings
1699                                                 $data = array();
1700                                                 $section = null;
1701                                                 continue;
1702                                         }
1703
1704                                         if( $this->parser ) {
1705                                                 $this->test = array(
1706                                                         'test' => $this->parser->chomp( $data['test'] ),
1707                                                         'input' => $this->parser->chomp( $data['input'] ),
1708                                                         'result' => $this->parser->chomp( $data['result'] ),
1709                                                         'options' => $this->parser->chomp( $data['options'] ),
1710                                                         'config' => $this->parser->chomp( $data['config'] ) );
1711                                         } else {
1712                                                 $this->test['test'] = $data['test'];
1713                                         }
1714                                         return true;
1715                                 }
1716                                 if ( isset ($data[$section] ) ) {
1717                                         wfDie( "duplicate section '$section' at line {$this->lineNum} of $filename\n" );
1718                                 }
1719                                 $data[$section] = '';
1720                                 continue;
1721                         }
1722                         if( $section ) {
1723                                 $data[$section] .= $line;
1724                         }
1725                 }
1726                 return false;
1727         }
1728 }