Merge "Use getConfig for ChangesList"
[mediawiki.git] / tests / parser / parserTest.inc
bloba342fec56e5d6b20a36994a5bbb97c07f3de99e6
1 <?php
2 /**
3  * Helper code for the MediaWiki parser test suite. Some code is duplicated
4  * in PHPUnit's NewParserTests.php, so you'll probably want to update both
5  * at the same time.
6  *
7  * Copyright © 2004, 2010 Brion Vibber <brion@pobox.com>
8  * https://www.mediawiki.org/
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License along
21  * with this program; if not, write to the Free Software Foundation, Inc.,
22  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
23  * http://www.gnu.org/copyleft/gpl.html
24  *
25  * @todo Make this more independent of the configuration (and if possible the database)
26  * @todo document
27  * @file
28  * @ingroup Testing
29  */
31 /**
32  * @ingroup Testing
33  */
34 class ParserTest {
35         /**
36          * @var bool $color whereas output should be colorized
37          */
38         private $color;
40         /**
41          * @var bool $showOutput Show test output
42          */
43         private $showOutput;
45         /**
46          * @var bool $useTemporaryTables Use temporary tables for the temporary database
47          */
48         private $useTemporaryTables = true;
50         /**
51          * @var bool $databaseSetupDone True if the database has been set up
52          */
53         private $databaseSetupDone = false;
55         /**
56          * Our connection to the database
57          * @var DatabaseBase
58          */
59         private $db;
61         /**
62          * Database clone helper
63          * @var CloneDatabase
64          */
65         private $dbClone;
67         /**
68          * @var DjVuSupport
69          */
70         private $djVuSupport;
72         /**
73          * @var TidySupport
74          */
75         private $tidySupport;
77         private $maxFuzzTestLength = 300;
78         private $fuzzSeed = 0;
79         private $memoryLimit = 50;
80         private $uploadDir = null;
82         public $regex = "";
83         private $savedGlobals = array();
85         /**
86          * Sets terminal colorization and diff/quick modes depending on OS and
87          * command-line options (--color and --quick).
88          * @param array $options
89          */
90         public function __construct( $options = array() ) {
91                 # Only colorize output if stdout is a terminal.
92                 $this->color = !wfIsWindows() && Maintenance::posix_isatty( 1 );
94                 if ( isset( $options['color'] ) ) {
95                         switch ( $options['color'] ) {
96                                 case 'no':
97                                         $this->color = false;
98                                         break;
99                                 case 'yes':
100                                 default:
101                                         $this->color = true;
102                                         break;
103                         }
104                 }
106                 $this->term = $this->color
107                         ? new AnsiTermColorer()
108                         : new DummyTermColorer();
110                 $this->showDiffs = !isset( $options['quick'] );
111                 $this->showProgress = !isset( $options['quiet'] );
112                 $this->showFailure = !(
113                         isset( $options['quiet'] )
114                                 && ( isset( $options['record'] )
115                                 || isset( $options['compare'] ) ) ); // redundant output
117                 $this->showOutput = isset( $options['show-output'] );
119                 if ( isset( $options['filter'] ) ) {
120                         $options['regex'] = $options['filter'];
121                 }
123                 if ( isset( $options['regex'] ) ) {
124                         if ( isset( $options['record'] ) ) {
125                                 echo "Warning: --record cannot be used with --regex, disabling --record\n";
126                                 unset( $options['record'] );
127                         }
128                         $this->regex = $options['regex'];
129                 } else {
130                         # Matches anything
131                         $this->regex = '';
132                 }
134                 $this->setupRecorder( $options );
135                 $this->keepUploads = isset( $options['keep-uploads'] );
137                 if ( isset( $options['seed'] ) ) {
138                         $this->fuzzSeed = intval( $options['seed'] ) - 1;
139                 }
141                 $this->runDisabled = isset( $options['run-disabled'] );
142                 $this->runParsoid = isset( $options['run-parsoid'] );
144                 $this->djVuSupport = new DjVuSupport();
145                 $this->tidySupport = new TidySupport();
146                 if ( !$this->tidySupport->isEnabled() ) {
147                         echo "Warning: tidy is not installed, skipping some tests\n";
148                 }
150                 $this->hooks = array();
151                 $this->functionHooks = array();
152                 $this->transparentHooks = array();
153                 self::setUp();
154         }
156         static function setUp() {
157                 global $wgParser, $wgParserConf, $IP, $messageMemc, $wgMemc,
158                         $wgUser, $wgLang, $wgOut, $wgRequest, $wgStyleDirectory, $wgEnableParserCache,
159                         $wgExtraNamespaces, $wgNamespaceAliases, $wgNamespaceProtection, $wgLocalFileRepo,
160                         $wgExtraInterlanguageLinkPrefixes, $wgLocalInterwikis,
161                         $parserMemc, $wgThumbnailScriptPath, $wgScriptPath,
162                         $wgArticlePath, $wgScript, $wgStylePath, $wgExtensionAssetsPath,
163                         $wgMainCacheType, $wgMessageCacheType, $wgParserCacheType, $wgLockManagers;
165                 $wgScript = '/index.php';
166                 $wgScriptPath = '/';
167                 $wgArticlePath = '/wiki/$1';
168                 $wgStylePath = '/skins';
169                 $wgExtensionAssetsPath = '/extensions';
170                 $wgThumbnailScriptPath = false;
171                 $wgLockManagers = array( array(
172                         'name' => 'fsLockManager',
173                         'class' => 'FSLockManager',
174                         'lockDirectory' => wfTempDir() . '/test-repo/lockdir',
175                 ), array(
176                         'name' => 'nullLockManager',
177                         'class' => 'NullLockManager',
178                 ) );
179                 $wgLocalFileRepo = array(
180                         'class' => 'LocalRepo',
181                         'name' => 'local',
182                         'url' => 'http://example.com/images',
183                         'hashLevels' => 2,
184                         'transformVia404' => false,
185                         'backend' => new FSFileBackend( array(
186                                 'name' => 'local-backend',
187                                 'wikiId' => wfWikiId(),
188                                 'containerPaths' => array(
189                                         'local-public' => wfTempDir() . '/test-repo/public',
190                                         'local-thumb' => wfTempDir() . '/test-repo/thumb',
191                                         'local-temp' => wfTempDir() . '/test-repo/temp',
192                                         'local-deleted' => wfTempDir() . '/test-repo/deleted',
193                                 )
194                         ) )
195                 );
196                 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
197                 $wgNamespaceAliases['Image'] = NS_FILE;
198                 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
199                 # add a namespace shadowing a interwiki link, to test
200                 # proper precedence when resolving links. (bug 51680)
201                 $wgExtraNamespaces[100] = 'MemoryAlpha';
203                 // XXX: tests won't run without this (for CACHE_DB)
204                 if ( $wgMainCacheType === CACHE_DB ) {
205                         $wgMainCacheType = CACHE_NONE;
206                 }
207                 if ( $wgMessageCacheType === CACHE_DB ) {
208                         $wgMessageCacheType = CACHE_NONE;
209                 }
210                 if ( $wgParserCacheType === CACHE_DB ) {
211                         $wgParserCacheType = CACHE_NONE;
212                 }
214                 $wgEnableParserCache = false;
215                 DeferredUpdates::clearPendingUpdates();
216                 $wgMemc = wfGetMainCache(); // checks $wgMainCacheType
217                 $messageMemc = wfGetMessageCacheStorage();
218                 $parserMemc = wfGetParserCacheStorage();
220                 $wgUser = new User;
221                 $context = new RequestContext;
222                 $wgLang = $context->getLanguage();
223                 $wgOut = $context->getOutput();
224                 $wgParser = new StubObject( 'wgParser', $wgParserConf['class'], array( $wgParserConf ) );
225                 $wgRequest = $context->getRequest();
227                 if ( $wgStyleDirectory === false ) {
228                         $wgStyleDirectory = "$IP/skins";
229                 }
231                 self::setupInterwikis();
232                 $wgLocalInterwikis = array( 'local', 'mi' );
233                 // "extra language links"
234                 // see https://gerrit.wikimedia.org/r/111390
235                 array_push( $wgExtraInterlanguageLinkPrefixes, 'mul' );
236         }
238         /**
239          * Insert hardcoded interwiki in the lookup table.
240          *
241          * This function insert a set of well known interwikis that are used in
242          * the parser tests. They can be considered has fixtures are injected in
243          * the interwiki cache by using the 'InterwikiLoadPrefix' hook.
244          * Since we are not interested in looking up interwikis in the database,
245          * the hook completely replace the existing mechanism (hook returns false).
246          */
247         public static function setupInterwikis() {
248                 # Hack: insert a few Wikipedia in-project interwiki prefixes,
249                 # for testing inter-language links
250                 Hooks::register( 'InterwikiLoadPrefix', function ( $prefix, &$iwData ) {
251                         static $testInterwikis = array(
252                                 'local' => array(
253                                         'iw_url' => 'http://doesnt.matter.org/$1',
254                                         'iw_api' => '',
255                                         'iw_wikiid' => '',
256                                         'iw_local' => 0 ),
257                                 'wikipedia' => array(
258                                         'iw_url' => 'http://en.wikipedia.org/wiki/$1',
259                                         'iw_api' => '',
260                                         'iw_wikiid' => '',
261                                         'iw_local' => 0 ),
262                                 'meatball' => array(
263                                         'iw_url' => 'http://www.usemod.com/cgi-bin/mb.pl?$1',
264                                         'iw_api' => '',
265                                         'iw_wikiid' => '',
266                                         'iw_local' => 0 ),
267                                 'memoryalpha' => array(
268                                         'iw_url' => 'http://www.memory-alpha.org/en/index.php/$1',
269                                         'iw_api' => '',
270                                         'iw_wikiid' => '',
271                                         'iw_local' => 0 ),
272                                 'zh' => array(
273                                         'iw_url' => 'http://zh.wikipedia.org/wiki/$1',
274                                         'iw_api' => '',
275                                         'iw_wikiid' => '',
276                                         'iw_local' => 1 ),
277                                 'es' => array(
278                                         'iw_url' => 'http://es.wikipedia.org/wiki/$1',
279                                         'iw_api' => '',
280                                         'iw_wikiid' => '',
281                                         'iw_local' => 1 ),
282                                 'fr' => array(
283                                         'iw_url' => 'http://fr.wikipedia.org/wiki/$1',
284                                         'iw_api' => '',
285                                         'iw_wikiid' => '',
286                                         'iw_local' => 1 ),
287                                 'ru' => array(
288                                         'iw_url' => 'http://ru.wikipedia.org/wiki/$1',
289                                         'iw_api' => '',
290                                         'iw_wikiid' => '',
291                                         'iw_local' => 1 ),
292                                 'mi' => array(
293                                         'iw_url' => 'http://mi.wikipedia.org/wiki/$1',
294                                         'iw_api' => '',
295                                         'iw_wikiid' => '',
296                                         'iw_local' => 1 ),
297                                 'mul' => array(
298                                         'iw_url' => 'http://wikisource.org/wiki/$1',
299                                         'iw_api' => '',
300                                         'iw_wikiid' => '',
301                                         'iw_local' => 1 ),
302                         );
303                         if ( array_key_exists( $prefix, $testInterwikis ) ) {
304                                 $iwData = $testInterwikis[$prefix];
305                         }
307                         // We only want to rely on the above fixtures
308                         return false;
309                 } );// hooks::register
310         }
312         /**
313          * Remove the hardcoded interwiki lookup table.
314          */
315         public static function tearDownInterwikis() {
316                 Hooks::clear( 'InterwikiLoadPrefix' );
317         }
319         public function setupRecorder( $options ) {
320                 if ( isset( $options['record'] ) ) {
321                         $this->recorder = new DbTestRecorder( $this );
322                         $this->recorder->version = isset( $options['setversion'] ) ?
323                                 $options['setversion'] : SpecialVersion::getVersion();
324                 } elseif ( isset( $options['compare'] ) ) {
325                         $this->recorder = new DbTestPreviewer( $this );
326                 } else {
327                         $this->recorder = new TestRecorder( $this );
328                 }
329         }
331         /**
332          * Remove last character if it is a newline
333          * @group utility
334          * @param string $s
335          */
336         public static function chomp( $s ) {
337                 if ( substr( $s, -1 ) === "\n" ) {
338                         return substr( $s, 0, -1 );
339                 } else {
340                         return $s;
341                 }
342         }
344         /**
345          * Run a fuzz test series
346          * Draw input from a set of test files
347          * @param array $filenames
348          */
349         function fuzzTest( $filenames ) {
350                 $GLOBALS['wgContLang'] = Language::factory( 'en' );
351                 $dict = $this->getFuzzInput( $filenames );
352                 $dictSize = strlen( $dict );
353                 $logMaxLength = log( $this->maxFuzzTestLength );
354                 $this->setupDatabase();
355                 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
357                 $numTotal = 0;
358                 $numSuccess = 0;
359                 $user = new User;
360                 $opts = ParserOptions::newFromUser( $user );
361                 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
363                 while ( true ) {
364                         // Generate test input
365                         mt_srand( ++$this->fuzzSeed );
366                         $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
367                         $input = '';
369                         while ( strlen( $input ) < $totalLength ) {
370                                 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
371                                 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
372                                 $offset = mt_rand( 0, $dictSize - $hairLength );
373                                 $input .= substr( $dict, $offset, $hairLength );
374                         }
376                         $this->setupGlobals();
377                         $parser = $this->getParser();
379                         // Run the test
380                         try {
381                                 $parser->parse( $input, $title, $opts );
382                                 $fail = false;
383                         } catch ( Exception $exception ) {
384                                 $fail = true;
385                         }
387                         if ( $fail ) {
388                                 echo "Test failed with seed {$this->fuzzSeed}\n";
389                                 echo "Input:\n";
390                                 printf( "string(%d) \"%s\"\n\n", strlen( $input ), $input );
391                                 echo "$exception\n";
392                         } else {
393                                 $numSuccess++;
394                         }
396                         $numTotal++;
397                         $this->teardownGlobals();
398                         $parser->__destruct();
400                         if ( $numTotal % 100 == 0 ) {
401                                 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
402                                 echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
403                                 if ( $usage > 90 ) {
404                                         echo "Out of memory:\n";
405                                         $memStats = $this->getMemoryBreakdown();
407                                         foreach ( $memStats as $name => $usage ) {
408                                                 echo "$name: $usage\n";
409                                         }
410                                         $this->abort();
411                                 }
412                         }
413                 }
414         }
416         /**
417          * Get an input dictionary from a set of parser test files
418          * @param array $filenames
419          */
420         function getFuzzInput( $filenames ) {
421                 $dict = '';
423                 foreach ( $filenames as $filename ) {
424                         $contents = file_get_contents( $filename );
425                         preg_match_all(
426                                 '/!!\s*(input|wikitext)\n(.*?)\n!!\s*(result|html|html\/\*|html\/php)/s',
427                                 $contents,
428                                 $matches
429                         );
431                         foreach ( $matches[1] as $match ) {
432                                 $dict .= $match . "\n";
433                         }
434                 }
436                 return $dict;
437         }
439         /**
440          * Get a memory usage breakdown
441          */
442         function getMemoryBreakdown() {
443                 $memStats = array();
445                 foreach ( $GLOBALS as $name => $value ) {
446                         $memStats['$' . $name] = strlen( serialize( $value ) );
447                 }
449                 $classes = get_declared_classes();
451                 foreach ( $classes as $class ) {
452                         $rc = new ReflectionClass( $class );
453                         $props = $rc->getStaticProperties();
454                         $memStats[$class] = strlen( serialize( $props ) );
455                         $methods = $rc->getMethods();
457                         foreach ( $methods as $method ) {
458                                 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
459                         }
460                 }
462                 $functions = get_defined_functions();
464                 foreach ( $functions['user'] as $function ) {
465                         $rf = new ReflectionFunction( $function );
466                         $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
467                 }
469                 asort( $memStats );
471                 return $memStats;
472         }
474         function abort() {
475                 $this->abort();
476         }
478         /**
479          * Run a series of tests listed in the given text files.
480          * Each test consists of a brief description, wikitext input,
481          * and the expected HTML output.
482          *
483          * Prints status updates on stdout and counts up the total
484          * number and percentage of passed tests.
485          *
486          * @param array $filenames Array of strings
487          * @return bool True if passed all tests, false if any tests failed.
488          */
489         public function runTestsFromFiles( $filenames ) {
490                 $ok = false;
492                 // be sure, ParserTest::addArticle has correct language set,
493                 // so that system messages gets into the right language cache
494                 $GLOBALS['wgLanguageCode'] = 'en';
495                 $GLOBALS['wgContLang'] = Language::factory( 'en' );
497                 $this->recorder->start();
498                 try {
499                         $this->setupDatabase();
500                         $ok = true;
502                         foreach ( $filenames as $filename ) {
503                                 $tests = new TestFileIterator( $filename, $this );
504                                 $ok = $this->runTests( $tests ) && $ok;
505                         }
507                         $this->teardownDatabase();
508                         $this->recorder->report();
509                 } catch ( DBError $e ) {
510                         echo $e->getMessage();
511                 }
512                 $this->recorder->end();
514                 return $ok;
515         }
517         function runTests( $tests ) {
518                 $ok = true;
520                 foreach ( $tests as $t ) {
521                         $result =
522                                 $this->runTest( $t['test'], $t['input'], $t['result'], $t['options'], $t['config'] );
523                         $ok = $ok && $result;
524                         $this->recorder->record( $t['test'], $result );
525                 }
527                 if ( $this->showProgress ) {
528                         print "\n";
529                 }
531                 return $ok;
532         }
534         /**
535          * Get a Parser object
536          *
537          * @param string $preprocessor
538          * @return Parser
539          */
540         function getParser( $preprocessor = null ) {
541                 global $wgParserConf;
543                 $class = $wgParserConf['class'];
544                 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
546                 foreach ( $this->hooks as $tag => $callback ) {
547                         $parser->setHook( $tag, $callback );
548                 }
550                 foreach ( $this->functionHooks as $tag => $bits ) {
551                         list( $callback, $flags ) = $bits;
552                         $parser->setFunctionHook( $tag, $callback, $flags );
553                 }
555                 foreach ( $this->transparentHooks as $tag => $callback ) {
556                         $parser->setTransparentTagHook( $tag, $callback );
557                 }
559                 wfRunHooks( 'ParserTestParser', array( &$parser ) );
561                 return $parser;
562         }
564         /**
565          * Run a given wikitext input through a freshly-constructed wiki parser,
566          * and compare the output against the expected results.
567          * Prints status and explanatory messages to stdout.
568          *
569          * @param string $desc Test's description
570          * @param string $input Wikitext to try rendering
571          * @param string $result Result to output
572          * @param array $opts Test's options
573          * @param string $config Overrides for global variables, one per line
574          * @return bool
575          */
576         public function runTest( $desc, $input, $result, $opts, $config ) {
577                 if ( $this->showProgress ) {
578                         $this->showTesting( $desc );
579                 }
581                 $opts = $this->parseOptions( $opts );
582                 $context = $this->setupGlobals( $opts, $config );
584                 $user = $context->getUser();
585                 $options = ParserOptions::newFromContext( $context );
587                 if ( isset( $opts['djvu'] ) ) {
588                         if ( !$this->djVuSupport->isEnabled() ) {
589                                 return $this->showSkipped();
590                         }
591                 }
593                 if ( isset( $opts['title'] ) ) {
594                         $titleText = $opts['title'];
595                 } else {
596                         $titleText = 'Parser test';
597                 }
599                 $local = isset( $opts['local'] );
600                 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
601                 $parser = $this->getParser( $preprocessor );
602                 $title = Title::newFromText( $titleText );
604                 if ( isset( $opts['pst'] ) ) {
605                         $out = $parser->preSaveTransform( $input, $title, $user, $options );
606                 } elseif ( isset( $opts['msg'] ) ) {
607                         $out = $parser->transformMsg( $input, $options, $title );
608                 } elseif ( isset( $opts['section'] ) ) {
609                         $section = $opts['section'];
610                         $out = $parser->getSection( $input, $section );
611                 } elseif ( isset( $opts['replace'] ) ) {
612                         $section = $opts['replace'][0];
613                         $replace = $opts['replace'][1];
614                         $out = $parser->replaceSection( $input, $section, $replace );
615                 } elseif ( isset( $opts['comment'] ) ) {
616                         $out = Linker::formatComment( $input, $title, $local );
617                 } elseif ( isset( $opts['preload'] ) ) {
618                         $out = $parser->getPreloadText( $input, $title, $options );
619                 } else {
620                         $output = $parser->parse( $input, $title, $options, true, true, 1337 );
621                         $output->setTOCEnabled( !isset( $opts['notoc'] ) );
622                         $out = $output->getText();
623                         if ( isset( $opts['tidy'] ) ) {
624                                 if ( !$this->tidySupport->isEnabled() ) {
625                                         return $this->showSkipped();
626                                 }
627                                 $out = MWTidy::tidy( $out );
628                                 $out = preg_replace( '/\s+$/', '', $out);
629                         }
631                         if ( isset( $opts['showtitle'] ) ) {
632                                 if ( $output->getTitleText() ) {
633                                         $title = $output->getTitleText();
634                                 }
636                                 $out = "$title\n$out";
637                         }
639                         if ( isset( $opts['ill'] ) ) {
640                                 $out = implode( ' ', $output->getLanguageLinks() );
641                         } elseif ( isset( $opts['cat'] ) ) {
642                                 $outputPage = $context->getOutput();
643                                 $outputPage->addCategoryLinks( $output->getCategories() );
644                                 $cats = $outputPage->getCategoryLinks();
646                                 if ( isset( $cats['normal'] ) ) {
647                                         $out = implode( ' ', $cats['normal'] );
648                                 } else {
649                                         $out = '';
650                                 }
651                         }
652                 }
654                 $this->teardownGlobals();
656                 $testResult = new ParserTestResult( $desc );
657                 $testResult->expected = $result;
658                 $testResult->actual = $out;
660                 return $this->showTestResult( $testResult );
661         }
663         /**
664          * Refactored in 1.22 to use ParserTestResult
665          * @param ParserTestResult $testResult
666          */
667         function showTestResult( ParserTestResult $testResult ) {
668                 if ( $testResult->isSuccess() ) {
669                         $this->showSuccess( $testResult );
670                         return true;
671                 } else {
672                         $this->showFailure( $testResult );
673                         return false;
674                 }
675         }
677         /**
678          * Use a regex to find out the value of an option
679          * @param string $key Name of option val to retrieve
680          * @param array $opts Options array to look in
681          * @param mixed $default Default value returned if not found
682          */
683         private static function getOptionValue( $key, $opts, $default ) {
684                 $key = strtolower( $key );
686                 if ( isset( $opts[$key] ) ) {
687                         return $opts[$key];
688                 } else {
689                         return $default;
690                 }
691         }
693         private function parseOptions( $instring ) {
694                 $opts = array();
695                 // foo
696                 // foo=bar
697                 // foo="bar baz"
698                 // foo=[[bar baz]]
699                 // foo=bar,"baz quux"
700                 // foo={...json...}
701                 $defs = '(?(DEFINE)
702                         (?<qstr>                                        # Quoted string
703                                 "
704                                 (?:[^\\\\"] | \\\\.)*
705                                 "
706                         )
707                         (?<json>
708                                 \{              # Open bracket
709                                 (?:
710                                         [^"{}] |                                # Not a quoted string or object, or
711                                         (?&qstr) |                              # A quoted string, or
712                                         (?&json)                                # A json object (recursively)
713                                 )*
714                                 \}              # Close bracket
715                         )
716             (?<value>
717                                 (?:
718                                         (?&qstr)                        # Quoted val
719                                 |
720                                         \[\[
721                                                 [^]]*                   # Link target
722                                         \]\]
723                                 |
724                                         [\w-]+                          # Plain word
725                                 |
726                                         (?&json)                        # JSON object
727                                 )
728                         )
729                 )';
730                 $regex = '/' . $defs . '\b
731                         (?<k>[\w-]+)                            # Key
732                         \b
733                         (?:\s*
734                                 =                                               # First sub-value
735                                 \s*
736                                 (?<v>
737                                         (?&value)
738                                         (?:\s*
739                                                 ,                               # Sub-vals 1..N
740                                                 \s*
741                                                 (?&value)
742                                         )*
743                                 )
744                         )?
745                         /x';
746                 $valueregex = '/' . $defs . '(?&value)/x';
748                 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
749                         foreach ( $matches as $bits ) {
750                                 $key = strtolower( $bits['k'] );
751                                 if ( !isset( $bits['v'] ) ) {
752                                         $opts[$key] = true;
753                                 } else {
754                                         preg_match_all( $valueregex, $bits['v'], $vmatches );
755                                         $opts[$key] = array_map( array( $this, 'cleanupOption' ), $vmatches[0] );
756                                         if ( count( $opts[$key] ) == 1 ) {
757                                                 $opts[$key] = $opts[$key][0];
758                                         }
759                                 }
760                         }
761                 }
762                 return $opts;
763         }
765         private function cleanupOption( $opt ) {
766                 if ( substr( $opt, 0, 1 ) == '"' ) {
767                         return stripcslashes( substr( $opt, 1, -1 ) );
768                 }
770                 if ( substr( $opt, 0, 2 ) == '[[' ) {
771                         return substr( $opt, 2, -2 );
772                 }
774                 if ( substr( $opt, 0, 1 ) == '{' ) {
775                         return FormatJson::decode( $opt, true );
776                 }
777                 return $opt;
778         }
780         /**
781          * Set up the global variables for a consistent environment for each test.
782          * Ideally this should replace the global configuration entirely.
783          * @param string $opts
784          * @param string $config
785          */
786         private function setupGlobals( $opts = '', $config = '' ) {
787                 global $IP;
789                 # Find out values for some special options.
790                 $lang =
791                         self::getOptionValue( 'language', $opts, 'en' );
792                 $variant =
793                         self::getOptionValue( 'variant', $opts, false );
794                 $maxtoclevel =
795                         self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
796                 $linkHolderBatchSize =
797                         self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
799                 $settings = array(
800                         'wgServer' => 'http://example.org',
801                         'wgServerName' => 'example.org',
802                         'wgScript' => '/index.php',
803                         'wgScriptPath' => '/',
804                         'wgArticlePath' => '/wiki/$1',
805                         'wgActionPaths' => array(),
806                         'wgLockManagers' => array( array(
807                                 'name' => 'fsLockManager',
808                                 'class' => 'FSLockManager',
809                                 'lockDirectory' => $this->uploadDir . '/lockdir',
810                         ), array(
811                                 'name' => 'nullLockManager',
812                                 'class' => 'NullLockManager',
813                         ) ),
814                         'wgLocalFileRepo' => array(
815                                 'class' => 'LocalRepo',
816                                 'name' => 'local',
817                                 'url' => 'http://example.com/images',
818                                 'hashLevels' => 2,
819                                 'transformVia404' => false,
820                                 'backend' => new FSFileBackend( array(
821                                         'name' => 'local-backend',
822                                         'wikiId' => wfWikiId(),
823                                         'containerPaths' => array(
824                                                 'local-public' => $this->uploadDir,
825                                                 'local-thumb' => $this->uploadDir . '/thumb',
826                                                 'local-temp' => $this->uploadDir . '/temp',
827                                                 'local-deleted' => $this->uploadDir . '/delete',
828                                         )
829                                 ) )
830                         ),
831                         'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
832                         'wgUploadNavigationUrl' => false,
833                         'wgStylePath' => '/skins',
834                         'wgSitename' => 'MediaWiki',
835                         'wgLanguageCode' => $lang,
836                         'wgDBprefix' => $this->db->getType() != 'oracle' ? 'parsertest_' : 'pt_',
837                         'wgRawHtml' => self::getOptionValue( 'wgRawHtml', $opts, false ),
838                         'wgLang' => null,
839                         'wgContLang' => null,
840                         'wgNamespacesWithSubpages' => array( 0 => isset( $opts['subpage'] ) ),
841                         'wgMaxTocLevel' => $maxtoclevel,
842                         'wgCapitalLinks' => true,
843                         'wgNoFollowLinks' => true,
844                         'wgNoFollowDomainExceptions' => array(),
845                         'wgThumbnailScriptPath' => false,
846                         'wgUseImageResize' => true,
847                         'wgSVGConverter' => 'null',
848                         'wgSVGConverters' => array( 'null' => 'echo "1">$output' ),
849                         'wgLocaltimezone' => 'UTC',
850                         'wgAllowExternalImages' => self::getOptionValue( 'wgAllowExternalImages', $opts, true ),
851                         'wgThumbLimits' => array( self::getOptionValue( 'thumbsize', $opts, 180 ) ),
852                         'wgDefaultLanguageVariant' => $variant,
853                         'wgVariantArticlePath' => false,
854                         'wgGroupPermissions' => array( '*' => array(
855                                 'createaccount' => true,
856                                 'read' => true,
857                                 'edit' => true,
858                                 'createpage' => true,
859                                 'createtalk' => true,
860                         ) ),
861                         'wgNamespaceProtection' => array( NS_MEDIAWIKI => 'editinterface' ),
862                         'wgDefaultExternalStore' => array(),
863                         'wgForeignFileRepos' => array(),
864                         'wgLinkHolderBatchSize' => $linkHolderBatchSize,
865                         'wgExperimentalHtmlIds' => false,
866                         'wgExternalLinkTarget' => false,
867                         'wgHtml5' => true,
868                         'wgWellFormedXml' => true,
869                         'wgAllowMicrodataAttributes' => true,
870                         'wgAdaptiveMessageCache' => true,
871                         'wgDisableLangConversion' => false,
872                         'wgDisableTitleConversion' => false,
873                         // Tidy options.
874                         // We always set 'wgUseTidy' to false when parsing, but certain
875                         // test-running modes still use tidy if available, so ensure
876                         // that the tidy-related options are all set to their defaults.
877                         'wgUseTidy' => false,
878                         'wgAlwaysUseTidy' => false,
879                         'wgDebugTidy' => false,
880                         'wgTidyConf' => $IP . '/includes/tidy.conf',
881                         'wgTidyOpts' => '',
882                         'wgTidyInternal' => $this->tidySupport->isInternal(),
883                 );
885                 if ( $config ) {
886                         $configLines = explode( "\n", $config );
888                         foreach ( $configLines as $line ) {
889                                 list( $var, $value ) = explode( '=', $line, 2 );
891                                 $settings[$var] = eval( "return $value;" );
892                         }
893                 }
895                 $this->savedGlobals = array();
897                 /** @since 1.20 */
898                 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
900                 foreach ( $settings as $var => $val ) {
901                         if ( array_key_exists( $var, $GLOBALS ) ) {
902                                 $this->savedGlobals[$var] = $GLOBALS[$var];
903                         }
905                         $GLOBALS[$var] = $val;
906                 }
908                 $GLOBALS['wgContLang'] = Language::factory( $lang );
909                 $GLOBALS['wgMemc'] = new EmptyBagOStuff;
911                 $context = new RequestContext();
912                 $GLOBALS['wgLang'] = $context->getLanguage();
913                 $GLOBALS['wgOut'] = $context->getOutput();
914                 $GLOBALS['wgUser'] = $context->getUser();
916                 // We (re)set $wgThumbLimits to a single-element array above.
917                 $context->getUser()->setOption( 'thumbsize', 0 );
919                 global $wgHooks;
921                 $wgHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
922                 $wgHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
924                 MagicWord::clearCache();
926                 return $context;
927         }
929         /**
930          * List of temporary tables to create, without prefix.
931          * Some of these probably aren't necessary.
932          */
933         private function listTables() {
934                 $tables = array( 'user', 'user_properties', 'user_former_groups', 'page', 'page_restrictions',
935                         'protected_titles', 'revision', 'text', 'pagelinks', 'imagelinks',
936                         'categorylinks', 'templatelinks', 'externallinks', 'langlinks', 'iwlinks',
937                         'site_stats', 'hitcounter', 'ipblocks', 'image', 'oldimage',
938                         'recentchanges', 'watchlist', 'interwiki', 'logging',
939                         'querycache', 'objectcache', 'job', 'l10n_cache', 'redirect', 'querycachetwo',
940                         'archive', 'user_groups', 'page_props', 'category', 'msg_resource', 'msg_resource_links'
941                 );
943                 if ( in_array( $this->db->getType(), array( 'mysql', 'sqlite', 'oracle' ) ) ) {
944                         array_push( $tables, 'searchindex' );
945                 }
947                 // Allow extensions to add to the list of tables to duplicate;
948                 // may be necessary if they hook into page save or other code
949                 // which will require them while running tests.
950                 wfRunHooks( 'ParserTestTables', array( &$tables ) );
952                 return $tables;
953         }
955         /**
956          * Set up a temporary set of wiki tables to work with for the tests.
957          * Currently this will only be done once per run, and any changes to
958          * the db will be visible to later tests in the run.
959          */
960         public function setupDatabase() {
961                 global $wgDBprefix;
963                 if ( $this->databaseSetupDone ) {
964                         return;
965                 }
967                 $this->db = wfGetDB( DB_MASTER );
968                 $dbType = $this->db->getType();
970                 if ( $wgDBprefix === 'parsertest_' || ( $dbType == 'oracle' && $wgDBprefix === 'pt_' ) ) {
971                         throw new MWException( 'setupDatabase should be called before setupGlobals' );
972                 }
974                 $this->databaseSetupDone = true;
976                 # SqlBagOStuff broke when using temporary tables on r40209 (bug 15892).
977                 # It seems to have been fixed since (r55079?), but regressed at some point before r85701.
978                 # This works around it for now...
979                 ObjectCache::$instances[CACHE_DB] = new HashBagOStuff;
981                 # CREATE TEMPORARY TABLE breaks if there is more than one server
982                 if ( wfGetLB()->getServerCount() != 1 ) {
983                         $this->useTemporaryTables = false;
984                 }
986                 $temporary = $this->useTemporaryTables || $dbType == 'postgres';
987                 $prefix = $dbType != 'oracle' ? 'parsertest_' : 'pt_';
989                 $this->dbClone = new CloneDatabase( $this->db, $this->listTables(), $prefix );
990                 $this->dbClone->useTemporaryTables( $temporary );
991                 $this->dbClone->cloneTableStructure();
993                 if ( $dbType == 'oracle' ) {
994                         $this->db->query( 'BEGIN FILL_WIKI_INFO; END;' );
995                         # Insert 0 user to prevent FK violations
997                         # Anonymous user
998                         $this->db->insert( 'user', array(
999                                 'user_id' => 0,
1000                                 'user_name' => 'Anonymous' ) );
1001                 }
1003                 # Update certain things in site_stats
1004                 $this->db->insert( 'site_stats',
1005                         array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ) );
1007                 # Reinitialise the LocalisationCache to match the database state
1008                 Language::getLocalisationCache()->unloadAll();
1010                 # Clear the message cache
1011                 MessageCache::singleton()->clear();
1013                 // Remember to update newParserTests.php after changing the below
1014                 // (and it uses a slightly different syntax just for teh lulz)
1015                 $this->uploadDir = $this->setupUploadDir();
1016                 $user = User::createNew( 'WikiSysop' );
1017                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
1018                 # note that the size/width/height/bits/etc of the file
1019                 # are actually set by inspecting the file itself; the arguments
1020                 # to recordUpload2 have no effect.  That said, we try to make things
1021                 # match up so it is less confusing to readers of the code & tests.
1022                 $image->recordUpload2( '', 'Upload of some lame file', 'Some lame file', array(
1023                         'size' => 7881,
1024                         'width' => 1941,
1025                         'height' => 220,
1026                         'bits' => 8,
1027                         'media_type' => MEDIATYPE_BITMAP,
1028                         'mime' => 'image/jpeg',
1029                         'metadata' => serialize( array() ),
1030                         'sha1' => wfBaseConvert( '1', 16, 36, 31 ),
1031                         'fileExists' => true
1032                 ), $this->db->timestamp( '20010115123500' ), $user );
1034                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) );
1035                 # again, note that size/width/height below are ignored; see above.
1036                 $image->recordUpload2( '', 'Upload of some lame thumbnail', 'Some lame thumbnail', array(
1037                         'size' => 22589,
1038                         'width' => 135,
1039                         'height' => 135,
1040                         'bits' => 8,
1041                         'media_type' => MEDIATYPE_BITMAP,
1042                         'mime' => 'image/png',
1043                         'metadata' => serialize( array() ),
1044                         'sha1' => wfBaseConvert( '2', 16, 36, 31 ),
1045                         'fileExists' => true
1046                 ), $this->db->timestamp( '20130225203040' ), $user );
1048                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.svg' ) );
1049                 $image->recordUpload2( '', 'Upload of some lame SVG', 'Some lame SVG', array(
1050                                 'size'        => 12345,
1051                                 'width'       => 240,
1052                                 'height'      => 180,
1053                                 'bits'        => 0,
1054                                 'media_type'  => MEDIATYPE_DRAWING,
1055                                 'mime'        => 'image/svg+xml',
1056                                 'metadata'    => serialize( array() ),
1057                                 'sha1'        => wfBaseConvert( '', 16, 36, 31 ),
1058                                 'fileExists'  => true
1059                 ), $this->db->timestamp( '20010115123500' ), $user );
1061                 # This image will be blacklisted in [[MediaWiki:Bad image list]]
1062                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
1063                 $image->recordUpload2( '', 'zomgnotcensored', 'Borderline image', array(
1064                         'size' => 12345,
1065                         'width' => 320,
1066                         'height' => 240,
1067                         'bits' => 24,
1068                         'media_type' => MEDIATYPE_BITMAP,
1069                         'mime' => 'image/jpeg',
1070                         'metadata' => serialize( array() ),
1071                         'sha1' => wfBaseConvert( '3', 16, 36, 31 ),
1072                         'fileExists' => true
1073                 ), $this->db->timestamp( '20010115123500' ), $user );
1075                 # A DjVu file
1076                 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'LoremIpsum.djvu' ) );
1077                 $image->recordUpload2( '', 'Upload a DjVu', 'A DjVu', array(
1078                         'size' => 3249,
1079                         'width' => 2480,
1080                         'height' => 3508,
1081                         'bits' => 0,
1082                         'media_type' => MEDIATYPE_BITMAP,
1083                         'mime' => 'image/vnd.djvu',
1084                         'metadata' => '<?xml version="1.0" ?>
1085 <!DOCTYPE DjVuXML PUBLIC "-//W3C//DTD DjVuXML 1.1//EN" "pubtext/DjVuXML-s.dtd">
1086 <DjVuXML>
1087 <HEAD></HEAD>
1088 <BODY><OBJECT height="3508" width="2480">
1089 <PARAM name="DPI" value="300" />
1090 <PARAM name="GAMMA" value="2.2" />
1091 </OBJECT>
1092 <OBJECT height="3508" width="2480">
1093 <PARAM name="DPI" value="300" />
1094 <PARAM name="GAMMA" value="2.2" />
1095 </OBJECT>
1096 <OBJECT height="3508" width="2480">
1097 <PARAM name="DPI" value="300" />
1098 <PARAM name="GAMMA" value="2.2" />
1099 </OBJECT>
1100 <OBJECT height="3508" width="2480">
1101 <PARAM name="DPI" value="300" />
1102 <PARAM name="GAMMA" value="2.2" />
1103 </OBJECT>
1104 <OBJECT height="3508" width="2480">
1105 <PARAM name="DPI" value="300" />
1106 <PARAM name="GAMMA" value="2.2" />
1107 </OBJECT>
1108 </BODY>
1109 </DjVuXML>',
1110                         'sha1' => wfBaseConvert( '', 16, 36, 31 ),
1111                         'fileExists' => true
1112                 ), $this->db->timestamp( '20010115123600' ), $user );
1113         }
1115         public function teardownDatabase() {
1116                 if ( !$this->databaseSetupDone ) {
1117                         $this->teardownGlobals();
1118                         return;
1119                 }
1120                 $this->teardownUploadDir( $this->uploadDir );
1122                 $this->dbClone->destroy();
1123                 $this->databaseSetupDone = false;
1125                 if ( $this->useTemporaryTables ) {
1126                         if ( $this->db->getType() == 'sqlite' ) {
1127                                 # Under SQLite the searchindex table is virtual and need
1128                                 # to be explicitly destroyed. See bug 29912
1129                                 # See also MediaWikiTestCase::destroyDB()
1130                                 wfDebug( __METHOD__ . " explicitly destroying sqlite virtual table parsertest_searchindex\n" );
1131                                 $this->db->query( "DROP TABLE `parsertest_searchindex`" );
1132                         }
1133                         # Don't need to do anything
1134                         $this->teardownGlobals();
1135                         return;
1136                 }
1138                 $tables = $this->listTables();
1140                 foreach ( $tables as $table ) {
1141                         if ( $this->db->getType() == 'oracle' ) {
1142                                 $this->db->query( "DROP TABLE pt_$table DROP CONSTRAINTS" );
1143                         } else {
1144                                 $this->db->query( "DROP TABLE `parsertest_$table`" );
1145                         }
1146                 }
1148                 if ( $this->db->getType() == 'oracle' ) {
1149                         $this->db->query( 'BEGIN FILL_WIKI_INFO; END;' );
1150                 }
1152                 $this->teardownGlobals();
1153         }
1155         /**
1156          * Create a dummy uploads directory which will contain a couple
1157          * of files in order to pass existence tests.
1158          *
1159          * @return string The directory
1160          */
1161         private function setupUploadDir() {
1162                 global $IP;
1164                 if ( $this->keepUploads ) {
1165                         $dir = wfTempDir() . '/mwParser-images';
1167                         if ( is_dir( $dir ) ) {
1168                                 return $dir;
1169                         }
1170                 } else {
1171                         $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
1172                 }
1174                 // wfDebug( "Creating upload directory $dir\n" );
1175                 if ( file_exists( $dir ) ) {
1176                         wfDebug( "Already exists!\n" );
1177                         return $dir;
1178                 }
1180                 wfMkdirParents( $dir . '/3/3a', null, __METHOD__ );
1181                 copy( "$IP/tests/phpunit/data/parser/headbg.jpg", "$dir/3/3a/Foobar.jpg" );
1182                 wfMkdirParents( $dir . '/e/ea', null, __METHOD__ );
1183                 copy( "$IP/tests/phpunit/data/parser/wiki.png", "$dir/e/ea/Thumb.png" );
1184                 wfMkdirParents( $dir . '/0/09', null, __METHOD__ );
1185                 copy( "$IP/tests/phpunit/data/parser/headbg.jpg", "$dir/0/09/Bad.jpg" );
1186                 wfMkdirParents( $dir . '/f/ff', null, __METHOD__ );
1187                 file_put_contents( "$dir/f/ff/Foobar.svg",
1188                         '<?xml version="1.0" encoding="utf-8"?>' .
1189                         '<svg xmlns="http://www.w3.org/2000/svg"' .
1190                         ' version="1.1" width="240" height="180"/>' );
1191                 wfMkdirParents( $dir . '/5/5f', null, __METHOD__ );
1192                 copy( "$IP/tests/phpunit/data/parser/LoremIpsum.djvu", "$dir/5/5f/LoremIpsum.djvu" );
1194                 return $dir;
1195         }
1197         /**
1198          * Restore default values and perform any necessary clean-up
1199          * after each test runs.
1200          */
1201         private function teardownGlobals() {
1202                 RepoGroup::destroySingleton();
1203                 FileBackendGroup::destroySingleton();
1204                 LockManagerGroup::destroySingletons();
1205                 LinkCache::singleton()->clear();
1207                 foreach ( $this->savedGlobals as $var => $val ) {
1208                         $GLOBALS[$var] = $val;
1209                 }
1210         }
1212         /**
1213          * Remove the dummy uploads directory
1214          * @param string $dir
1215          */
1216         private function teardownUploadDir( $dir ) {
1217                 if ( $this->keepUploads ) {
1218                         return;
1219                 }
1221                 // delete the files first, then the dirs.
1222                 self::deleteFiles(
1223                         array(
1224                                 "$dir/3/3a/Foobar.jpg",
1225                                 "$dir/thumb/3/3a/Foobar.jpg/1000px-Foobar.jpg",
1226                                 "$dir/thumb/3/3a/Foobar.jpg/100px-Foobar.jpg",
1227                                 "$dir/thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
1228                                 "$dir/thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
1229                                 "$dir/thumb/3/3a/Foobar.jpg/137px-Foobar.jpg",
1230                                 "$dir/thumb/3/3a/Foobar.jpg/1500px-Foobar.jpg",
1231                                 "$dir/thumb/3/3a/Foobar.jpg/177px-Foobar.jpg",
1232                                 "$dir/thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
1233                                 "$dir/thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
1234                                 "$dir/thumb/3/3a/Foobar.jpg/206px-Foobar.jpg",
1235                                 "$dir/thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
1236                                 "$dir/thumb/3/3a/Foobar.jpg/220px-Foobar.jpg",
1237                                 "$dir/thumb/3/3a/Foobar.jpg/265px-Foobar.jpg",
1238                                 "$dir/thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
1239                                 "$dir/thumb/3/3a/Foobar.jpg/274px-Foobar.jpg",
1240                                 "$dir/thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
1241                                 "$dir/thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
1242                                 "$dir/thumb/3/3a/Foobar.jpg/330px-Foobar.jpg",
1243                                 "$dir/thumb/3/3a/Foobar.jpg/353px-Foobar.jpg",
1244                                 "$dir/thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
1245                                 "$dir/thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
1246                                 "$dir/thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
1247                                 "$dir/thumb/3/3a/Foobar.jpg/440px-Foobar.jpg",
1248                                 "$dir/thumb/3/3a/Foobar.jpg/442px-Foobar.jpg",
1249                                 "$dir/thumb/3/3a/Foobar.jpg/450px-Foobar.jpg",
1250                                 "$dir/thumb/3/3a/Foobar.jpg/50px-Foobar.jpg",
1251                                 "$dir/thumb/3/3a/Foobar.jpg/600px-Foobar.jpg",
1252                                 "$dir/thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
1253                                 "$dir/thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
1254                                 "$dir/thumb/3/3a/Foobar.jpg/75px-Foobar.jpg",
1255                                 "$dir/thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
1257                                 "$dir/e/ea/Thumb.png",
1259                                 "$dir/0/09/Bad.jpg",
1261                                 "$dir/5/5f/LoremIpsum.djvu",
1262                                 "$dir/thumb/5/5f/LoremIpsum.djvu/page2-2480px-LoremIpsum.djvu.jpg",
1263                                 "$dir/thumb/5/5f/LoremIpsum.djvu/page2-3720px-LoremIpsum.djvu.jpg",
1264                                 "$dir/thumb/5/5f/LoremIpsum.djvu/page2-4960px-LoremIpsum.djvu.jpg",
1266                                 "$dir/f/ff/Foobar.svg",
1267                                 "$dir/thumb/f/ff/Foobar.svg/180px-Foobar.svg.png",
1268                                 "$dir/thumb/f/ff/Foobar.svg/2000px-Foobar.svg.png",
1269                                 "$dir/thumb/f/ff/Foobar.svg/270px-Foobar.svg.png",
1270                                 "$dir/thumb/f/ff/Foobar.svg/3000px-Foobar.svg.png",
1271                                 "$dir/thumb/f/ff/Foobar.svg/360px-Foobar.svg.png",
1272                                 "$dir/thumb/f/ff/Foobar.svg/4000px-Foobar.svg.png",
1273                                 "$dir/thumb/f/ff/Foobar.svg/langde-180px-Foobar.svg.png",
1274                                 "$dir/thumb/f/ff/Foobar.svg/langde-270px-Foobar.svg.png",
1275                                 "$dir/thumb/f/ff/Foobar.svg/langde-360px-Foobar.svg.png",
1277                                 "$dir/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
1278                         )
1279                 );
1281                 self::deleteDirs(
1282                         array(
1283                                 "$dir/3/3a",
1284                                 "$dir/3",
1285                                 "$dir/thumb/3/3a/Foobar.jpg",
1286                                 "$dir/thumb/3/3a",
1287                                 "$dir/thumb/3",
1288                                 "$dir/e/ea",
1289                                 "$dir/e",
1290                                 "$dir/f/ff/",
1291                                 "$dir/f/",
1292                                 "$dir/thumb/f/ff/Foobar.svg",
1293                                 "$dir/thumb/f/ff/",
1294                                 "$dir/thumb/f/",
1295                                 "$dir/0/09/",
1296                                 "$dir/0/",
1297                                 "$dir/5/5f",
1298                                 "$dir/5",
1299                                 "$dir/thumb/5/5f/LoremIpsum.djvu",
1300                                 "$dir/thumb/5/5f",
1301                                 "$dir/thumb/5",
1302                                 "$dir/thumb",
1303                                 "$dir/math/f/a/5",
1304                                 "$dir/math/f/a",
1305                                 "$dir/math/f",
1306                                 "$dir/math",
1307                                 "$dir",
1308                         )
1309                 );
1310         }
1312         /**
1313          * Delete the specified files, if they exist.
1314          * @param array $files Full paths to files to delete.
1315          */
1316         private static function deleteFiles( $files ) {
1317                 foreach ( $files as $file ) {
1318                         if ( file_exists( $file ) ) {
1319                                 unlink( $file );
1320                         }
1321                 }
1322         }
1324         /**
1325          * Delete the specified directories, if they exist. Must be empty.
1326          * @param array $dirs Full paths to directories to delete.
1327          */
1328         private static function deleteDirs( $dirs ) {
1329                 foreach ( $dirs as $dir ) {
1330                         if ( is_dir( $dir ) ) {
1331                                 rmdir( $dir );
1332                         }
1333                 }
1334         }
1336         /**
1337          * "Running test $desc..."
1338          * @param string $desc
1339          */
1340         protected function showTesting( $desc ) {
1341                 print "Running test $desc... ";
1342         }
1344         /**
1345          * Print a happy success message.
1346          *
1347          * Refactored in 1.22 to use ParserTestResult
1348          *
1349          * @param ParserTestResult $testResult
1350          * @return bool
1351          */
1352         protected function showSuccess( ParserTestResult $testResult ) {
1353                 if ( $this->showProgress ) {
1354                         print $this->term->color( '1;32' ) . 'PASSED' . $this->term->reset() . "\n";
1355                 }
1357                 return true;
1358         }
1360         /**
1361          * Print a failure message and provide some explanatory output
1362          * about what went wrong if so configured.
1363          *
1364          * Refactored in 1.22 to use ParserTestResult
1365          *
1366          * @param ParserTestResult $testResult
1367          * @return bool
1368          */
1369         protected function showFailure( ParserTestResult $testResult ) {
1370                 if ( $this->showFailure ) {
1371                         if ( !$this->showProgress ) {
1372                                 # In quiet mode we didn't show the 'Testing' message before the
1373                                 # test, in case it succeeded. Show it now:
1374                                 $this->showTesting( $testResult->description );
1375                         }
1377                         print $this->term->color( '31' ) . 'FAILED!' . $this->term->reset() . "\n";
1379                         if ( $this->showOutput ) {
1380                                 print "--- Expected ---\n{$testResult->expected}\n";
1381                                 print "--- Actual ---\n{$testResult->actual}\n";
1382                         }
1384                         if ( $this->showDiffs ) {
1385                                 print $this->quickDiff( $testResult->expected, $testResult->actual );
1386                                 if ( !$this->wellFormed( $testResult->actual ) ) {
1387                                         print "XML error: $this->mXmlError\n";
1388                                 }
1389                         }
1390                 }
1392                 return false;
1393         }
1395         /**
1396          * Print a skipped message.
1397          *
1398          * @return bool
1399          */
1400         protected function showSkipped() {
1401                 if ( $this->showProgress ) {
1402                         print $this->term->color( '1;33' ) . 'SKIPPED' . $this->term->reset() . "\n";
1403                 }
1405                 return true;
1406         }
1408         /**
1409          * Run given strings through a diff and return the (colorized) output.
1410          * Requires writable /tmp directory and a 'diff' command in the PATH.
1411          *
1412          * @param string $input
1413          * @param string $output
1414          * @param string $inFileTail Tailing for the input file name
1415          * @param string $outFileTail Tailing for the output file name
1416          * @return string
1417          */
1418         protected function quickDiff( $input, $output,
1419                 $inFileTail = 'expected', $outFileTail = 'actual'
1420         ) {
1421                 # Windows, or at least the fc utility, is retarded
1422                 $slash = wfIsWindows() ? '\\' : '/';
1423                 $prefix = wfTempDir() . "{$slash}mwParser-" . mt_rand();
1425                 $infile = "$prefix-$inFileTail";
1426                 $this->dumpToFile( $input, $infile );
1428                 $outfile = "$prefix-$outFileTail";
1429                 $this->dumpToFile( $output, $outfile );
1431                 $shellInfile = wfEscapeShellArg( $infile );
1432                 $shellOutfile = wfEscapeShellArg( $outfile );
1434                 global $wgDiff3;
1435                 // we assume that people with diff3 also have usual diff
1436                 $shellCommand = ( wfIsWindows() && !$wgDiff3 ) ? 'fc' : 'diff -au';
1438                 $diff = wfShellExec( "$shellCommand $shellInfile $shellOutfile" );
1440                 unlink( $infile );
1441                 unlink( $outfile );
1443                 return $this->colorDiff( $diff );
1444         }
1446         /**
1447          * Write the given string to a file, adding a final newline.
1448          *
1449          * @param string $data
1450          * @param string $filename
1451          */
1452         private function dumpToFile( $data, $filename ) {
1453                 $file = fopen( $filename, "wt" );
1454                 fwrite( $file, $data . "\n" );
1455                 fclose( $file );
1456         }
1458         /**
1459          * Colorize unified diff output if set for ANSI color output.
1460          * Subtractions are colored blue, additions red.
1461          *
1462          * @param string $text
1463          * @return string
1464          */
1465         protected function colorDiff( $text ) {
1466                 return preg_replace(
1467                         array( '/^(-.*)$/m', '/^(\+.*)$/m' ),
1468                         array( $this->term->color( 34 ) . '$1' . $this->term->reset(),
1469                                 $this->term->color( 31 ) . '$1' . $this->term->reset() ),
1470                         $text );
1471         }
1473         /**
1474          * Show "Reading tests from ..."
1475          *
1476          * @param string $path
1477          */
1478         public function showRunFile( $path ) {
1479                 print $this->term->color( 1 ) .
1480                         "Reading tests from \"$path\"..." .
1481                         $this->term->reset() .
1482                         "\n";
1483         }
1485         /**
1486          * Insert a temporary test article
1487          * @param string $name The title, including any prefix
1488          * @param string $text The article text
1489          * @param int $line The input line number, for reporting errors
1490          * @param bool $ignoreDuplicate Whether to silently ignore duplicate pages
1491          */
1492         public static function addArticle( $name, $text, $line = 'unknown', $ignoreDuplicate = '' ) {
1493                 global $wgCapitalLinks;
1495                 $oldCapitalLinks = $wgCapitalLinks;
1496                 $wgCapitalLinks = true; // We only need this from SetupGlobals() See r70917#c8637
1498                 $text = self::chomp( $text );
1499                 $name = self::chomp( $name );
1501                 $title = Title::newFromText( $name );
1503                 if ( is_null( $title ) ) {
1504                         throw new MWException( "invalid title '$name' at line $line\n" );
1505                 }
1507                 $page = WikiPage::factory( $title );
1508                 $page->loadPageData( 'fromdbmaster' );
1510                 if ( $page->exists() ) {
1511                         if ( $ignoreDuplicate == 'ignoreduplicate' ) {
1512                                 return;
1513                         } else {
1514                                 throw new MWException( "duplicate article '$name' at line $line\n" );
1515                         }
1516                 }
1518                 $page->doEditContent( ContentHandler::makeContent( $text, $title ), '', EDIT_NEW );
1520                 $wgCapitalLinks = $oldCapitalLinks;
1521         }
1523         /**
1524          * Steal a callback function from the primary parser, save it for
1525          * application to our scary parser. If the hook is not installed,
1526          * abort processing of this file.
1527          *
1528          * @param string $name
1529          * @return bool True if tag hook is present
1530          */
1531         public function requireHook( $name ) {
1532                 global $wgParser;
1534                 $wgParser->firstCallInit(); // make sure hooks are loaded.
1536                 if ( isset( $wgParser->mTagHooks[$name] ) ) {
1537                         $this->hooks[$name] = $wgParser->mTagHooks[$name];
1538                 } else {
1539                         echo "   This test suite requires the '$name' hook extension, skipping.\n";
1540                         return false;
1541                 }
1543                 return true;
1544         }
1546         /**
1547          * Steal a callback function from the primary parser, save it for
1548          * application to our scary parser. If the hook is not installed,
1549          * abort processing of this file.
1550          *
1551          * @param string $name
1552          * @return bool True if function hook is present
1553          */
1554         public function requireFunctionHook( $name ) {
1555                 global $wgParser;
1557                 $wgParser->firstCallInit(); // make sure hooks are loaded.
1559                 if ( isset( $wgParser->mFunctionHooks[$name] ) ) {
1560                         $this->functionHooks[$name] = $wgParser->mFunctionHooks[$name];
1561                 } else {
1562                         echo "   This test suite requires the '$name' function hook extension, skipping.\n";
1563                         return false;
1564                 }
1566                 return true;
1567         }
1569         /**
1570          * Steal a callback function from the primary parser, save it for
1571          * application to our scary parser. If the hook is not installed,
1572          * abort processing of this file.
1573          *
1574          * @param string $name
1575          * @return bool True if function hook is present
1576          */
1577         public function requireTransparentHook( $name ) {
1578                 global $wgParser;
1580                 $wgParser->firstCallInit(); // make sure hooks are loaded.
1582                 if ( isset( $wgParser->mTransparentTagHooks[$name] ) ) {
1583                         $this->transparentHooks[$name] = $wgParser->mTransparentTagHooks[$name];
1584                 } else {
1585                         echo "   This test suite requires the '$name' transparent hook extension, skipping.\n";
1586                         return false;
1587                 }
1589                 return true;
1590         }
1592         private function wellFormed( $text ) {
1593                 $html =
1594                         Sanitizer::hackDocType() .
1595                                 '<html>' .
1596                                 $text .
1597                                 '</html>';
1599                 $parser = xml_parser_create( "UTF-8" );
1601                 # case folding violates XML standard, turn it off
1602                 xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, false );
1604                 if ( !xml_parse( $parser, $html, true ) ) {
1605                         $err = xml_error_string( xml_get_error_code( $parser ) );
1606                         $position = xml_get_current_byte_index( $parser );
1607                         $fragment = $this->extractFragment( $html, $position );
1608                         $this->mXmlError = "$err at byte $position:\n$fragment";
1609                         xml_parser_free( $parser );
1611                         return false;
1612                 }
1614                 xml_parser_free( $parser );
1616                 return true;
1617         }
1619         private function extractFragment( $text, $position ) {
1620                 $start = max( 0, $position - 10 );
1621                 $before = $position - $start;
1622                 $fragment = '...' .
1623                         $this->term->color( 34 ) .
1624                         substr( $text, $start, $before ) .
1625                         $this->term->color( 0 ) .
1626                         $this->term->color( 31 ) .
1627                         $this->term->color( 1 ) .
1628                         substr( $text, $position, 1 ) .
1629                         $this->term->color( 0 ) .
1630                         $this->term->color( 34 ) .
1631                         substr( $text, $position + 1, 9 ) .
1632                         $this->term->color( 0 ) .
1633                         '...';
1634                 $display = str_replace( "\n", ' ', $fragment );
1635                 $caret = '   ' .
1636                         str_repeat( ' ', $before ) .
1637                         $this->term->color( 31 ) .
1638                         '^' .
1639                         $this->term->color( 0 );
1641                 return "$display\n$caret";
1642         }
1644         static function getFakeTimestamp( &$parser, &$ts ) {
1645                 $ts = 123; //parsed as '1970-01-01T00:02:03Z'
1646                 return true;
1647         }