| blob | 4efd7082d06e3b524ed4726d855d46ca44eb20bc |
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 * http://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 * boolean $color whereas output should be colorized
37 */
38 private $color;
40 /**
41 * boolean $showOutput Show test output
42 */
43 private $showOutput;
45 /**
46 * boolean $useTemporaryTables Use temporary tables for the temporary database
47 */
48 private $useTemporaryTables = true;
50 /**
51 * boolean $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 * string $oldTablePrefix Original table prefix
69 */
70 private $oldTablePrefix;
72 private $maxFuzzTestLength = 300;
73 private $fuzzSeed = 0;
74 private $memoryLimit = 50;
75 private $uploadDir = null;
77 public $regex = "";
78 private $savedGlobals = array();
80 /**
81 * Sets terminal colorization and diff/quick modes depending on OS and
82 * command-line options (--color and --quick).
83 */
84 public function __construct( $options = array() ) {
85 # Only colorize output if stdout is a terminal.
86 $this->color = !wfIsWindows() && Maintenance::posix_isatty( 1 );
88 if ( isset( $options['color'] ) ) {
89 switch ( $options['color'] ) {
90 case 'no':
91 $this->color = false;
92 break;
93 case 'yes':
94 default:
95 $this->color = true;
96 break;
97 }
98 }
100 $this->term = $this->color
101 ? new AnsiTermColorer()
102 : new DummyTermColorer();
104 $this->showDiffs = !isset( $options['quick'] );
105 $this->showProgress = !isset( $options['quiet'] );
106 $this->showFailure = !(
107 isset( $options['quiet'] )
108 && ( isset( $options['record'] )
109 || isset( $options['compare'] ) ) ); // redundant output
111 $this->showOutput = isset( $options['show-output'] );
113 if ( isset( $options['filter'] ) ) {
114 $options['regex'] = $options['filter'];
115 }
117 if ( isset( $options['regex'] ) ) {
118 if ( isset( $options['record'] ) ) {
119 echo "Warning: --record cannot be used with --regex, disabling --record\n";
120 unset( $options['record'] );
121 }
122 $this->regex = $options['regex'];
123 } else {
124 # Matches anything
125 $this->regex = '';
126 }
128 $this->setupRecorder( $options );
129 $this->keepUploads = isset( $options['keep-uploads'] );
131 if ( isset( $options['seed'] ) ) {
132 $this->fuzzSeed = intval( $options['seed'] ) - 1;
133 }
135 $this->runDisabled = isset( $options['run-disabled'] );
136 $this->runParsoid = isset( $options['run-parsoid'] );
138 $this->hooks = array();
139 $this->functionHooks = array();
140 self::setUp();
141 }
143 static function setUp() {
144 global $wgParser, $wgParserConf, $IP, $messageMemc, $wgMemc,
145 $wgUser, $wgLang, $wgOut, $wgRequest, $wgStyleDirectory, $wgEnableParserCache,
146 $wgNamespaceAliases, $wgNamespaceProtection, $wgLocalFileRepo,
147 $parserMemc, $wgThumbnailScriptPath, $wgScriptPath,
148 $wgArticlePath, $wgScript, $wgStylePath, $wgExtensionAssetsPath,
149 $wgMainCacheType, $wgMessageCacheType, $wgParserCacheType, $wgLockManagers;
151 $wgScript = '/index.php';
152 $wgScriptPath = '/';
153 $wgArticlePath = '/wiki/$1';
154 $wgStylePath = '/skins';
155 $wgExtensionAssetsPath = '/extensions';
156 $wgThumbnailScriptPath = false;
157 $wgLockManagers = array( array(
158 'name' => 'fsLockManager',
159 'class' => 'FSLockManager',
160 'lockDirectory' => wfTempDir() . '/test-repo/lockdir',
161 ), array(
162 'name' => 'nullLockManager',
163 'class' => 'NullLockManager',
164 ) );
165 $wgLocalFileRepo = array(
166 'class' => 'LocalRepo',
167 'name' => 'local',
168 'url' => 'http://example.com/images',
169 'hashLevels' => 2,
170 'transformVia404' => false,
171 'backend' => new FSFileBackend( array(
172 'name' => 'local-backend',
173 'lockManager' => 'fsLockManager',
174 'containerPaths' => array(
175 'local-public' => wfTempDir() . '/test-repo/public',
176 'local-thumb' => wfTempDir() . '/test-repo/thumb',
177 'local-temp' => wfTempDir() . '/test-repo/temp',
178 'local-deleted' => wfTempDir() . '/test-repo/deleted',
179 )
180 ) )
181 );
182 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
183 $wgNamespaceAliases['Image'] = NS_FILE;
184 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
186 // XXX: tests won't run without this (for CACHE_DB)
187 if ( $wgMainCacheType === CACHE_DB ) {
188 $wgMainCacheType = CACHE_NONE;
189 }
190 if ( $wgMessageCacheType === CACHE_DB ) {
191 $wgMessageCacheType = CACHE_NONE;
192 }
193 if ( $wgParserCacheType === CACHE_DB ) {
194 $wgParserCacheType = CACHE_NONE;
195 }
197 $wgEnableParserCache = false;
198 DeferredUpdates::clearPendingUpdates();
199 $wgMemc = wfGetMainCache(); // checks $wgMainCacheType
200 $messageMemc = wfGetMessageCacheStorage();
201 $parserMemc = wfGetParserCacheStorage();
203 // $wgContLang = new StubContLang;
204 $wgUser = new User;
205 $context = new RequestContext;
206 $wgLang = $context->getLanguage();
207 $wgOut = $context->getOutput();
208 $wgParser = new StubObject( 'wgParser', $wgParserConf['class'], array( $wgParserConf ) );
209 $wgRequest = $context->getRequest();
211 if ( $wgStyleDirectory === false ) {
212 $wgStyleDirectory = "$IP/skins";
213 }
215 self::setupInterwikis();
216 }
218 /**
219 * Insert hardcoded interwiki in the lookup table.
220 *
221 * This function insert a set of well known interwikis that are used in
222 * the parser tests. They can be considered has fixtures are injected in
223 * the interwiki cache by using the 'InterwikiLoadPrefix' hook.
224 * Since we are not interested in looking up interwikis in the database,
225 * the hook completely replace the existing mechanism (hook returns false).
226 */
227 public static function setupInterwikis() {
228 # Hack: insert a few Wikipedia in-project interwiki prefixes,
229 # for testing inter-language links
230 Hooks::register( 'InterwikiLoadPrefix', function ( $prefix, &$iwData ) {
231 static $testInterwikis = array(
232 'wikipedia' => array(
233 'iw_url' => 'http://en.wikipedia.org/wiki/$1',
234 'iw_api' => '',
235 'iw_wikiid' => '',
236 'iw_local' => 0 ),
237 'meatball' => array(
238 'iw_url' => 'http://www.usemod.com/cgi-bin/mb.pl?$1',
239 'iw_api' => '',
240 'iw_wikiid' => '',
241 'iw_local' => 0 ),
242 'zh' => array(
243 'iw_url' => 'http://zh.wikipedia.org/wiki/$1',
244 'iw_api' => '',
245 'iw_wikiid' => '',
246 'iw_local' => 1 ),
247 'es' => array(
248 'iw_url' => 'http://es.wikipedia.org/wiki/$1',
249 'iw_api' => '',
250 'iw_wikiid' => '',
251 'iw_local' => 1 ),
252 'fr' => array(
253 'iw_url' => 'http://fr.wikipedia.org/wiki/$1',
254 'iw_api' => '',
255 'iw_wikiid' => '',
256 'iw_local' => 1 ),
257 'ru' => array(
258 'iw_url' => 'http://ru.wikipedia.org/wiki/$1',
259 'iw_api' => '',
260 'iw_wikiid' => '',
261 'iw_local' => 1 ),
262 );
263 if( array_key_exists( $prefix, $testInterwikis ) ) {
264 $iwData = $testInterwikis[$prefix];
265 }
267 // We only want to rely on the above fixtures
268 return false;
269 } );// hooks::register
270 }
272 public function setupRecorder( $options ) {
273 if ( isset( $options['record'] ) ) {
274 $this->recorder = new DbTestRecorder( $this );
275 $this->recorder->version = isset( $options['setversion'] ) ?
276 $options['setversion'] : SpecialVersion::getVersion();
277 } elseif ( isset( $options['compare'] ) ) {
278 $this->recorder = new DbTestPreviewer( $this );
279 } else {
280 $this->recorder = new TestRecorder( $this );
281 }
282 }
284 /**
285 * Remove last character if it is a newline
286 * @group utility
287 */
288 public static function chomp( $s ) {
289 if ( substr( $s, -1 ) === "\n" ) {
290 return substr( $s, 0, -1 );
291 } else {
292 return $s;
293 }
294 }
296 /**
297 * Run a fuzz test series
298 * Draw input from a set of test files
299 */
300 function fuzzTest( $filenames ) {
301 $GLOBALS['wgContLang'] = Language::factory( 'en' );
302 $dict = $this->getFuzzInput( $filenames );
303 $dictSize = strlen( $dict );
304 $logMaxLength = log( $this->maxFuzzTestLength );
305 $this->setupDatabase();
306 ini_set( 'memory_limit', $this->memoryLimit * 1048576 );
308 $numTotal = 0;
309 $numSuccess = 0;
310 $user = new User;
311 $opts = ParserOptions::newFromUser( $user );
312 $title = Title::makeTitle( NS_MAIN, 'Parser_test' );
314 while ( true ) {
315 // Generate test input
316 mt_srand( ++$this->fuzzSeed );
317 $totalLength = mt_rand( 1, $this->maxFuzzTestLength );
318 $input = '';
320 while ( strlen( $input ) < $totalLength ) {
321 $logHairLength = mt_rand( 0, 1000000 ) / 1000000 * $logMaxLength;
322 $hairLength = min( intval( exp( $logHairLength ) ), $dictSize );
323 $offset = mt_rand( 0, $dictSize - $hairLength );
324 $input .= substr( $dict, $offset, $hairLength );
325 }
327 $this->setupGlobals();
328 $parser = $this->getParser();
330 // Run the test
331 try {
332 $parser->parse( $input, $title, $opts );
333 $fail = false;
334 } catch ( Exception $exception ) {
335 $fail = true;
336 }
338 if ( $fail ) {
339 echo "Test failed with seed {$this->fuzzSeed}\n";
340 echo "Input:\n";
341 printf( "string(%d) \"%s\"\n\n", strlen( $input ), $input );
342 echo "$exception\n";
343 } else {
344 $numSuccess++;
345 }
347 $numTotal++;
348 $this->teardownGlobals();
349 $parser->__destruct();
351 if ( $numTotal % 100 == 0 ) {
352 $usage = intval( memory_get_usage( true ) / $this->memoryLimit / 1048576 * 100 );
353 echo "{$this->fuzzSeed}: $numSuccess/$numTotal (mem: $usage%)\n";
354 if ( $usage > 90 ) {
355 echo "Out of memory:\n";
356 $memStats = $this->getMemoryBreakdown();
358 foreach ( $memStats as $name => $usage ) {
359 echo "$name: $usage\n";
360 }
361 $this->abort();
362 }
363 }
364 }
365 }
367 /**
368 * Get an input dictionary from a set of parser test files
369 */
370 function getFuzzInput( $filenames ) {
371 $dict = '';
373 foreach ( $filenames as $filename ) {
374 $contents = file_get_contents( $filename );
375 preg_match_all( '/!!\s*input\n(.*?)\n!!\s*result/s', $contents, $matches );
377 foreach ( $matches[1] as $match ) {
378 $dict .= $match . "\n";
379 }
380 }
382 return $dict;
383 }
385 /**
386 * Get a memory usage breakdown
387 */
388 function getMemoryBreakdown() {
389 $memStats = array();
391 foreach ( $GLOBALS as $name => $value ) {
392 $memStats['$' . $name] = strlen( serialize( $value ) );
393 }
395 $classes = get_declared_classes();
397 foreach ( $classes as $class ) {
398 $rc = new ReflectionClass( $class );
399 $props = $rc->getStaticProperties();
400 $memStats[$class] = strlen( serialize( $props ) );
401 $methods = $rc->getMethods();
403 foreach ( $methods as $method ) {
404 $memStats[$class] += strlen( serialize( $method->getStaticVariables() ) );
405 }
406 }
408 $functions = get_defined_functions();
410 foreach ( $functions['user'] as $function ) {
411 $rf = new ReflectionFunction( $function );
412 $memStats["$function()"] = strlen( serialize( $rf->getStaticVariables() ) );
413 }
415 asort( $memStats );
417 return $memStats;
418 }
420 function abort() {
421 $this->abort();
422 }
424 /**
425 * Run a series of tests listed in the given text files.
426 * Each test consists of a brief description, wikitext input,
427 * and the expected HTML output.
428 *
429 * Prints status updates on stdout and counts up the total
430 * number and percentage of passed tests.
431 *
432 * @param $filenames Array of strings
433 * @return Boolean: true if passed all tests, false if any tests failed.
434 */
435 public function runTestsFromFiles( $filenames ) {
436 $ok = false;
437 $GLOBALS['wgContLang'] = Language::factory( 'en' );
438 $this->recorder->start();
439 try {
440 $this->setupDatabase();
441 $ok = true;
443 foreach ( $filenames as $filename ) {
444 $tests = new TestFileIterator( $filename, $this );
445 $ok = $this->runTests( $tests ) && $ok;
446 }
448 $this->teardownDatabase();
449 $this->recorder->report();
450 } catch ( DBError $e ) {
451 echo $e->getMessage();
452 }
453 $this->recorder->end();
455 return $ok;
456 }
458 function runTests( $tests ) {
459 $ok = true;
461 foreach ( $tests as $t ) {
462 $result =
463 $this->runTest( $t['test'], $t['input'], $t['result'], $t['options'], $t['config'] );
464 $ok = $ok && $result;
465 $this->recorder->record( $t['test'], $result );
466 }
468 if ( $this->showProgress ) {
469 print "\n";
470 }
472 return $ok;
473 }
475 /**
476 * Get a Parser object
477 */
478 function getParser( $preprocessor = null ) {
479 global $wgParserConf;
481 $class = $wgParserConf['class'];
482 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
484 foreach ( $this->hooks as $tag => $callback ) {
485 $parser->setHook( $tag, $callback );
486 }
488 foreach ( $this->functionHooks as $tag => $bits ) {
489 list( $callback, $flags ) = $bits;
490 $parser->setFunctionHook( $tag, $callback, $flags );
491 }
493 wfRunHooks( 'ParserTestParser', array( &$parser ) );
495 return $parser;
496 }
498 /**
499 * Run a given wikitext input through a freshly-constructed wiki parser,
500 * and compare the output against the expected results.
501 * Prints status and explanatory messages to stdout.
502 *
503 * @param $desc String: test's description
504 * @param $input String: wikitext to try rendering
505 * @param $result String: result to output
506 * @param $opts Array: test's options
507 * @param $config String: overrides for global variables, one per line
508 * @return Boolean
509 */
510 public function runTest( $desc, $input, $result, $opts, $config ) {
511 if ( $this->showProgress ) {
512 $this->showTesting( $desc );
513 }
515 $opts = $this->parseOptions( $opts );
516 $context = $this->setupGlobals( $opts, $config );
518 $user = $context->getUser();
519 $options = ParserOptions::newFromContext( $context );
521 if ( isset( $opts['title'] ) ) {
522 $titleText = $opts['title'];
523 } else {
524 $titleText = 'Parser test';
525 }
527 $local = isset( $opts['local'] );
528 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
529 $parser = $this->getParser( $preprocessor );
530 $title = Title::newFromText( $titleText );
532 if ( isset( $opts['pst'] ) ) {
533 $out = $parser->preSaveTransform( $input, $title, $user, $options );
534 } elseif ( isset( $opts['msg'] ) ) {
535 $out = $parser->transformMsg( $input, $options, $title );
536 } elseif ( isset( $opts['section'] ) ) {
537 $section = $opts['section'];
538 $out = $parser->getSection( $input, $section );
539 } elseif ( isset( $opts['replace'] ) ) {
540 $section = $opts['replace'][0];
541 $replace = $opts['replace'][1];
542 $out = $parser->replaceSection( $input, $section, $replace );
543 } elseif ( isset( $opts['comment'] ) ) {
544 $out = Linker::formatComment( $input, $title, $local );
545 } elseif ( isset( $opts['preload'] ) ) {
546 $out = $parser->getPreloadText( $input, $title, $options );
547 } else {
548 $output = $parser->parse( $input, $title, $options, true, true, 1337 );
549 $out = $output->getText();
551 if ( isset( $opts['showtitle'] ) ) {
552 if ( $output->getTitleText() ) {
553 $title = $output->getTitleText();
554 }
556 $out = "$title\n$out";
557 }
559 if ( isset( $opts['ill'] ) ) {
560 $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
561 } elseif ( isset( $opts['cat'] ) ) {
562 $outputPage = $context->getOutput();
563 $outputPage->addCategoryLinks( $output->getCategories() );
564 $cats = $outputPage->getCategoryLinks();
566 if ( isset( $cats['normal'] ) ) {
567 $out = $this->tidy( implode( ' ', $cats['normal'] ) );
568 } else {
569 $out = '';
570 }
571 }
573 $result = $this->tidy( $result );
574 }
576 $this->teardownGlobals();
578 $testResult = new ParserTestResult( $desc );
579 $testResult->expected = $result;
580 $testResult->actual = $out;
582 return $this->showTestResult( $testResult );
583 }
585 /**
586 * Refactored in 1.22 to use ParserTestResult
587 */
588 function showTestResult( ParserTestResult $testResult ) {
589 if ( $testResult->isSuccess() ) {
590 $this->showSuccess( $testResult );
591 return true;
592 } else {
593 $this->showFailure( $testResult );
594 return false;
595 }
596 }
598 /**
599 * Use a regex to find out the value of an option
600 * @param $key String: name of option val to retrieve
601 * @param $opts Options array to look in
602 * @param $default Mixed: default value returned if not found
603 */
604 private static function getOptionValue( $key, $opts, $default ) {
605 $key = strtolower( $key );
607 if ( isset( $opts[$key] ) ) {
608 return $opts[$key];
609 } else {
610 return $default;
611 }
612 }
614 private function parseOptions( $instring ) {
615 $opts = array();
616 // foo
617 // foo=bar
618 // foo="bar baz"
619 // foo=[[bar baz]]
620 // foo=bar,"baz quux"
621 $regex = '/\b
622 ([\w-]+) # Key
623 \b
624 (?:\s*
625 = # First sub-value
626 \s*
627 (
628 "
629 [^"]* # Quoted val
630 "
631 |
632 \[\[
633 [^]]* # Link target
634 \]\]
635 |
636 [\w-]+ # Plain word
637 )
638 (?:\s*
639 , # Sub-vals 1..N
640 \s*
641 (
642 "[^"]*" # Quoted val
643 |
644 \[\[[^]]*\]\] # Link target
645 |
646 [\w-]+ # Plain word
647 )
648 )*
649 )?
650 /x';
652 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
653 foreach ( $matches as $bits ) {
654 array_shift( $bits );
655 $key = strtolower( array_shift( $bits ) );
656 if ( count( $bits ) == 0 ) {
657 $opts[$key] = true;
658 } elseif ( count( $bits ) == 1 ) {
659 $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
660 } else {
661 // Array!
662 $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
663 }
664 }
665 }
666 return $opts;
667 }
669 private function cleanupOption( $opt ) {
670 if ( substr( $opt, 0, 1 ) == '"' ) {
671 return substr( $opt, 1, -1 );
672 }
674 if ( substr( $opt, 0, 2 ) == '[[' ) {
675 return substr( $opt, 2, -2 );
676 }
677 return $opt;
678 }
680 /**
681 * Set up the global variables for a consistent environment for each test.
682 * Ideally this should replace the global configuration entirely.
683 */
684 private function setupGlobals( $opts = '', $config = '' ) {
685 # Find out values for some special options.
686 $lang =
687 self::getOptionValue( 'language', $opts, 'en' );
688 $variant =
689 self::getOptionValue( 'variant', $opts, false );
690 $maxtoclevel =
691 self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
692 $linkHolderBatchSize =
693 self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
695 $settings = array(
696 'wgServer' => 'http://example.org',
697 'wgScript' => '/index.php',
698 'wgScriptPath' => '/',
699 'wgArticlePath' => '/wiki/$1',
700 'wgActionPaths' => array(),
701 'wgLockManagers' => array( array(
702 'name' => 'fsLockManager',
703 'class' => 'FSLockManager',
704 'lockDirectory' => $this->uploadDir . '/lockdir',
705 ), array(
706 'name' => 'nullLockManager',
707 'class' => 'NullLockManager',
708 ) ),
709 'wgLocalFileRepo' => array(
710 'class' => 'LocalRepo',
711 'name' => 'local',
712 'url' => 'http://example.com/images',
713 'hashLevels' => 2,
714 'transformVia404' => false,
715 'backend' => new FSFileBackend( array(
716 'name' => 'local-backend',
717 'lockManager' => 'fsLockManager',
718 'containerPaths' => array(
719 'local-public' => $this->uploadDir,
720 'local-thumb' => $this->uploadDir . '/thumb',
721 'local-temp' => $this->uploadDir . '/temp',
722 'local-deleted' => $this->uploadDir . '/delete',
723 )
724 ) )
725 ),
726 'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
727 'wgStylePath' => '/skins',
728 'wgSitename' => 'MediaWiki',
729 'wgLanguageCode' => $lang,
730 'wgDBprefix' => $this->db->getType() != 'oracle' ? 'parsertest_' : 'pt_',
731 'wgRawHtml' => isset( $opts['rawhtml'] ),
732 'wgLang' => null,
733 'wgContLang' => null,
734 'wgNamespacesWithSubpages' => array( 0 => isset( $opts['subpage'] ) ),
735 'wgMaxTocLevel' => $maxtoclevel,
736 'wgCapitalLinks' => true,
737 'wgNoFollowLinks' => true,
738 'wgNoFollowDomainExceptions' => array(),
739 'wgThumbnailScriptPath' => false,
740 'wgUseImageResize' => true,
741 'wgSVGConverter' => 'null',
742 'wgSVGConverters' => array( 'null' => 'echo "1">$output' ),
743 'wgLocaltimezone' => 'UTC',
744 'wgAllowExternalImages' => true,
745 'wgUseTidy' => false,
746 'wgDefaultLanguageVariant' => $variant,
747 'wgVariantArticlePath' => false,
748 'wgGroupPermissions' => array( '*' => array(
749 'createaccount' => true,
750 'read' => true,
751 'edit' => true,
752 'createpage' => true,
753 'createtalk' => true,
754 ) ),
755 'wgNamespaceProtection' => array( NS_MEDIAWIKI => 'editinterface' ),
756 'wgDefaultExternalStore' => array(),
757 'wgForeignFileRepos' => array(),
758 'wgLinkHolderBatchSize' => $linkHolderBatchSize,
759 'wgExperimentalHtmlIds' => false,
760 'wgExternalLinkTarget' => false,
761 'wgAlwaysUseTidy' => false,
762 'wgHtml5' => true,
763 'wgWellFormedXml' => true,
764 'wgAllowMicrodataAttributes' => true,
765 'wgAdaptiveMessageCache' => true,
766 'wgDisableLangConversion' => false,
767 'wgDisableTitleConversion' => false,
768 );
770 if ( $config ) {
771 $configLines = explode( "\n", $config );
773 foreach ( $configLines as $line ) {
774 list( $var, $value ) = explode( '=', $line, 2 );
776 $settings[$var] = eval( "return $value;" );
777 }
778 }
780 $this->savedGlobals = array();
782 /** @since 1.20 */
783 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
785 foreach ( $settings as $var => $val ) {
786 if ( array_key_exists( $var, $GLOBALS ) ) {
787 $this->savedGlobals[$var] = $GLOBALS[$var];
788 }
790 $GLOBALS[$var] = $val;
791 }
793 $GLOBALS['wgContLang'] = Language::factory( $lang );
794 $GLOBALS['wgMemc'] = new EmptyBagOStuff;
796 $context = new RequestContext();
797 $GLOBALS['wgLang'] = $context->getLanguage();
798 $GLOBALS['wgOut'] = $context->getOutput();
800 $GLOBALS['wgUser'] = new User();
802 global $wgHooks;
804 $wgHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
805 $wgHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
807 MagicWord::clearCache();
809 return $context;
810 }
812 /**
813 * List of temporary tables to create, without prefix.
814 * Some of these probably aren't necessary.
815 */
816 private function listTables() {
817 $tables = array( 'user', 'user_properties', 'user_former_groups', 'page', 'page_restrictions',
818 'protected_titles', 'revision', 'text', 'pagelinks', 'imagelinks',
819 'categorylinks', 'templatelinks', 'externallinks', 'langlinks', 'iwlinks',
820 'site_stats', 'hitcounter', 'ipblocks', 'image', 'oldimage',
821 'recentchanges', 'watchlist', 'interwiki', 'logging',
822 'querycache', 'objectcache', 'job', 'l10n_cache', 'redirect', 'querycachetwo',
823 'archive', 'user_groups', 'page_props', 'category', 'msg_resource', 'msg_resource_links'
824 );
826 if ( in_array( $this->db->getType(), array( 'mysql', 'sqlite', 'oracle' ) ) ) {
827 array_push( $tables, 'searchindex' );
828 }
830 // Allow extensions to add to the list of tables to duplicate;
831 // may be necessary if they hook into page save or other code
832 // which will require them while running tests.
833 wfRunHooks( 'ParserTestTables', array( &$tables ) );
835 return $tables;
836 }
838 /**
839 * Set up a temporary set of wiki tables to work with for the tests.
840 * Currently this will only be done once per run, and any changes to
841 * the db will be visible to later tests in the run.
842 */
843 public function setupDatabase() {
844 global $wgDBprefix;
846 if ( $this->databaseSetupDone ) {
847 return;
848 }
850 $this->db = wfGetDB( DB_MASTER );
851 $dbType = $this->db->getType();
853 if ( $wgDBprefix === 'parsertest_' || ( $dbType == 'oracle' && $wgDBprefix === 'pt_' ) ) {
854 throw new MWException( 'setupDatabase should be called before setupGlobals' );
855 }
857 $this->databaseSetupDone = true;
858 $this->oldTablePrefix = $wgDBprefix;
860 # SqlBagOStuff broke when using temporary tables on r40209 (bug 15892).
861 # It seems to have been fixed since (r55079?), but regressed at some point before r85701.
862 # This works around it for now...
863 ObjectCache::$instances[CACHE_DB] = new HashBagOStuff;
865 # CREATE TEMPORARY TABLE breaks if there is more than one server
866 if ( wfGetLB()->getServerCount() != 1 ) {
867 $this->useTemporaryTables = false;
868 }
870 $temporary = $this->useTemporaryTables || $dbType == 'postgres';
871 $prefix = $dbType != 'oracle' ? 'parsertest_' : 'pt_';
873 $this->dbClone = new CloneDatabase( $this->db, $this->listTables(), $prefix );
874 $this->dbClone->useTemporaryTables( $temporary );
875 $this->dbClone->cloneTableStructure();
877 if ( $dbType == 'oracle' ) {
878 $this->db->query( 'BEGIN FILL_WIKI_INFO; END;' );
879 # Insert 0 user to prevent FK violations
881 # Anonymous user
882 $this->db->insert( 'user', array(
883 'user_id' => 0,
884 'user_name' => 'Anonymous' ) );
885 }
887 # Update certain things in site_stats
888 $this->db->insert( 'site_stats', array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ) );
890 # Reinitialise the LocalisationCache to match the database state
891 Language::getLocalisationCache()->unloadAll();
893 # Clear the message cache
894 MessageCache::singleton()->clear();
896 // Remember to update newParserTests.php after changing the below
897 // (and it uses a slightly different syntax just for teh lulz)
898 $this->uploadDir = $this->setupUploadDir();
899 $user = User::createNew( 'WikiSysop' );
900 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
901 # note that the size/width/height/bits/etc of the file
902 # are actually set by inspecting the file itself; the arguments
903 # to recordUpload2 have no effect. That said, we try to make things
904 # match up so it is less confusing to readers of the code & tests.
905 $image->recordUpload2( '', 'Upload of some lame file', 'Some lame file', array(
906 'size' => 7881,
907 'width' => 1941,
908 'height' => 220,
909 'bits' => 8,
910 'media_type' => MEDIATYPE_BITMAP,
911 'mime' => 'image/jpeg',
912 'metadata' => serialize( array() ),
913 'sha1' => wfBaseConvert( '1', 16, 36, 31 ),
914 'fileExists' => true
915 ), $this->db->timestamp( '20010115123500' ), $user );
917 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) );
918 # again, note that size/width/height below are ignored; see above.
919 $image->recordUpload2( '', 'Upload of some lame thumbnail', 'Some lame thumbnail', array(
920 'size' => 22589,
921 'width' => 135,
922 'height' => 135,
923 'bits' => 8,
924 'media_type' => MEDIATYPE_BITMAP,
925 'mime' => 'image/png',
926 'metadata' => serialize( array() ),
927 'sha1' => wfBaseConvert( '2', 16, 36, 31 ),
928 'fileExists' => true
929 ), $this->db->timestamp( '20130225203040' ), $user );
931 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.svg' ) );
932 $image->recordUpload2( '', 'Upload of some lame SVG', 'Some lame SVG', array(
933 'size' => 12345,
934 'width' => 240,
935 'height' => 180,
936 'bits' => 24,
937 'media_type' => MEDIATYPE_DRAWING,
938 'mime' => 'image/svg+xml',
939 'metadata' => serialize( array() ),
940 'sha1' => wfBaseConvert( '', 16, 36, 31 ),
941 'fileExists' => true
942 ), $this->db->timestamp( '20010115123500' ), $user );
944 # This image will be blacklisted in [[MediaWiki:Bad image list]]
945 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
946 $image->recordUpload2( '', 'zomgnotcensored', 'Borderline image', array(
947 'size' => 12345,
948 'width' => 320,
949 'height' => 240,
950 'bits' => 24,
951 'media_type' => MEDIATYPE_BITMAP,
952 'mime' => 'image/jpeg',
953 'metadata' => serialize( array() ),
954 'sha1' => wfBaseConvert( '3', 16, 36, 31 ),
955 'fileExists' => true
956 ), $this->db->timestamp( '20010115123500' ), $user );
957 }
959 public function teardownDatabase() {
960 if ( !$this->databaseSetupDone ) {
961 $this->teardownGlobals();
962 return;
963 }
964 $this->teardownUploadDir( $this->uploadDir );
966 $this->dbClone->destroy();
967 $this->databaseSetupDone = false;
969 if ( $this->useTemporaryTables ) {
970 if ( $this->db->getType() == 'sqlite' ) {
971 # Under SQLite the searchindex table is virtual and need
972 # to be explicitly destroyed. See bug 29912
973 # See also MediaWikiTestCase::destroyDB()
974 wfDebug( __METHOD__ . " explicitly destroying sqlite virtual table parsertest_searchindex\n" );
975 $this->db->query( "DROP TABLE `parsertest_searchindex`" );
976 }
977 # Don't need to do anything
978 $this->teardownGlobals();
979 return;
980 }
982 $tables = $this->listTables();
984 foreach ( $tables as $table ) {
985 $sql = $this->db->getType() == 'oracle' ? "DROP TABLE pt_$table DROP CONSTRAINTS" : "DROP TABLE `parsertest_$table`";
986 $this->db->query( $sql );
987 }
989 if ( $this->db->getType() == 'oracle' ) {
990 $this->db->query( 'BEGIN FILL_WIKI_INFO; END;' );
991 }
993 $this->teardownGlobals();
994 }
996 /**
997 * Create a dummy uploads directory which will contain a couple
998 * of files in order to pass existence tests.
999 *
1000 * @return String: the directory
1001 */
1002 private function setupUploadDir() {
1003 global $IP;
1005 if ( $this->keepUploads ) {
1006 $dir = wfTempDir() . '/mwParser-images';
1008 if ( is_dir( $dir ) ) {
1009 return $dir;
1010 }
1011 } else {
1012 $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
1013 }
1015 // wfDebug( "Creating upload directory $dir\n" );
1016 if ( file_exists( $dir ) ) {
1017 wfDebug( "Already exists!\n" );
1018 return $dir;
1019 }
1021 wfMkdirParents( $dir . '/3/3a', null, __METHOD__ );
1022 copy( "$IP/skins/monobook/headbg.jpg", "$dir/3/3a/Foobar.jpg" );
1023 wfMkdirParents( $dir . '/e/ea', null, __METHOD__ );
1024 copy( "$IP/skins/monobook/wiki.png", "$dir/e/ea/Thumb.png" );
1025 wfMkdirParents( $dir . '/0/09', null, __METHOD__ );
1026 copy( "$IP/skins/monobook/headbg.jpg", "$dir/0/09/Bad.jpg" );
1027 wfMkdirParents( $dir . '/f/ff', null, __METHOD__ );
1028 copy( "$IP/skins/monobook/headbg.jpg", "$dir/f/ff/Foobar.svg" );
1029 file_put_contents( "$dir/f/ff/Foobar.svg",
1030 '<?xml version="1.0" encoding="utf-8"?>' .
1031 '<svg xmlns="http://www.w3.org/2000/svg" />' );
1032 return $dir;
1033 }
1035 /**
1036 * Restore default values and perform any necessary clean-up
1037 * after each test runs.
1038 */
1039 private function teardownGlobals() {
1040 RepoGroup::destroySingleton();
1041 FileBackendGroup::destroySingleton();
1042 LockManagerGroup::destroySingletons();
1043 LinkCache::singleton()->clear();
1045 foreach ( $this->savedGlobals as $var => $val ) {
1046 $GLOBALS[$var] = $val;
1047 }
1048 }
1050 /**
1051 * Remove the dummy uploads directory
1052 */
1053 private function teardownUploadDir( $dir ) {
1054 if ( $this->keepUploads ) {
1055 return;
1056 }
1058 // delete the files first, then the dirs.
1059 self::deleteFiles(
1060 array(
1061 "$dir/3/3a/Foobar.jpg",
1062 "$dir/thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
1063 "$dir/thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
1064 "$dir/thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
1065 "$dir/thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
1066 "$dir/thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
1067 "$dir/thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
1068 "$dir/thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
1069 "$dir/thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
1070 "$dir/thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
1071 "$dir/thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
1072 "$dir/thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
1073 "$dir/thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
1074 "$dir/thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
1075 "$dir/thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
1077 "$dir/e/ea/Thumb.png",
1079 "$dir/0/09/Bad.jpg",
1081 "$dir/f/ff/Foobar.svg",
1082 "$dir/thumb/f/ff/Foobar.svg/180px-Foobar.svg.png",
1083 "$dir/thumb/f/ff/Foobar.svg/360px-Foobar.svg.png",
1084 "$dir/thumb/f/ff/Foobar.svg/langde-270px-Foobar.svg.png",
1085 "$dir/thumb/f/ff/Foobar.svg/270px-Foobar.svg.png",
1086 "$dir/thumb/f/ff/Foobar.svg/langde-180px-Foobar.svg.png",
1087 "$dir/thumb/f/ff/Foobar.svg/langde-360px-Foobar.svg.png",
1089 "$dir/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
1090 )
1091 );
1093 self::deleteDirs(
1094 array(
1095 "$dir/3/3a",
1096 "$dir/3",
1097 "$dir/thumb/6/65",
1098 "$dir/thumb/6",
1099 "$dir/thumb/3/3a/Foobar.jpg",
1100 "$dir/thumb/3/3a",
1101 "$dir/thumb/3",
1102 "$dir/e/ea",
1103 "$dir/e",
1104 "$dir/f/ff/",
1105 "$dir/f/",
1106 "$dir/thumb/f/ff/Foobar.svg",
1107 "$dir/thumb/f/ff/",
1108 "$dir/thumb/f/",
1109 "$dir/0/09/",
1110 "$dir/0/",
1111 "$dir/thumb",
1112 "$dir/math/f/a/5",
1113 "$dir/math/f/a",
1114 "$dir/math/f",
1115 "$dir/math",
1116 "$dir",
1117 )
1118 );
1119 }
1121 /**
1122 * Delete the specified files, if they exist.
1123 * @param $files Array: full paths to files to delete.
1124 */
1125 private static function deleteFiles( $files ) {
1126 foreach ( $files as $file ) {
1127 if ( file_exists( $file ) ) {
1128 unlink( $file );
1129 }
1130 }
1131 }
1133 /**
1134 * Delete the specified directories, if they exist. Must be empty.
1135 * @param $dirs Array: full paths to directories to delete.
1136 */
1137 private static function deleteDirs( $dirs ) {
1138 foreach ( $dirs as $dir ) {
1139 if ( is_dir( $dir ) ) {
1140 rmdir( $dir );
1141 }
1142 }
1143 }
1145 /**
1146 * "Running test $desc..."
1147 */
1148 protected function showTesting( $desc ) {
1149 print "Running test $desc... ";
1150 }
1152 /**
1153 * Print a happy success message.
1154 *
1155 * Refactored in 1.22 to use ParserTestResult
1156 *
1157 * @param $testResult ParserTestResult
1158 * @return Boolean
1159 */
1160 protected function showSuccess( ParserTestResult $testResult ) {
1161 if ( $this->showProgress ) {
1162 print $this->term->color( '1;32' ) . 'PASSED' . $this->term->reset() . "\n";
1163 }
1165 return true;
1166 }
1168 /**
1169 * Print a failure message and provide some explanatory output
1170 * about what went wrong if so configured.
1171 *
1172 * Refactored in 1.22 to use ParserTestResult
1173 *
1174 * @param $testResult ParserTestResult
1175 * @return Boolean
1176 */
1177 protected function showFailure( ParserTestResult $testResult ) {
1178 if ( $this->showFailure ) {
1179 if ( !$this->showProgress ) {
1180 # In quiet mode we didn't show the 'Testing' message before the
1181 # test, in case it succeeded. Show it now:
1182 $this->showTesting( $testResult->description );
1183 }
1185 print $this->term->color( '31' ) . 'FAILED!' . $this->term->reset() . "\n";
1187 if ( $this->showOutput ) {
1188 print "--- Expected ---\n{$testResult->expected}\n";
1189 print "--- Actual ---\n{$testResult->actual}\n";
1190 }
1192 if ( $this->showDiffs ) {
1193 print $this->quickDiff( $testResult->expected, $testResult->actual );
1194 if ( !$this->wellFormed( $testResult->actual ) ) {
1195 print "XML error: $this->mXmlError\n";
1196 }
1197 }
1198 }
1200 return false;
1201 }
1203 /**
1204 * Run given strings through a diff and return the (colorized) output.
1205 * Requires writable /tmp directory and a 'diff' command in the PATH.
1206 *
1207 * @param $input String
1208 * @param $output String
1209 * @param $inFileTail String: tailing for the input file name
1210 * @param $outFileTail String: tailing for the output file name
1211 * @return String
1212 */
1213 protected function quickDiff( $input, $output, $inFileTail = 'expected', $outFileTail = 'actual' ) {
1214 # Windows, or at least the fc utility, is retarded
1215 $slash = wfIsWindows() ? '\\' : '/';
1216 $prefix = wfTempDir() . "{$slash}mwParser-" . mt_rand();
1218 $infile = "$prefix-$inFileTail";
1219 $this->dumpToFile( $input, $infile );
1221 $outfile = "$prefix-$outFileTail";
1222 $this->dumpToFile( $output, $outfile );
1224 $shellInfile = wfEscapeShellArg( $infile );
1225 $shellOutfile = wfEscapeShellArg( $outfile );
1227 global $wgDiff3;
1228 // we assume that people with diff3 also have usual diff
1229 $shellCommand = ( wfIsWindows() && !$wgDiff3 ) ? 'fc' : 'diff -au';
1231 $diff = wfShellExec( "$shellCommand $shellInfile $shellOutfile" );
1233 unlink( $infile );
1234 unlink( $outfile );
1236 return $this->colorDiff( $diff );
1237 }
1239 /**
1240 * Write the given string to a file, adding a final newline.
1241 *
1242 * @param $data String
1243 * @param $filename String
1244 */
1245 private function dumpToFile( $data, $filename ) {
1246 $file = fopen( $filename, "wt" );
1247 fwrite( $file, $data . "\n" );
1248 fclose( $file );
1249 }
1251 /**
1252 * Colorize unified diff output if set for ANSI color output.
1253 * Subtractions are colored blue, additions red.
1254 *
1255 * @param $text String
1256 * @return String
1257 */
1258 protected function colorDiff( $text ) {
1259 return preg_replace(
1260 array( '/^(-.*)$/m', '/^(\+.*)$/m' ),
1261 array( $this->term->color( 34 ) . '$1' . $this->term->reset(),
1262 $this->term->color( 31 ) . '$1' . $this->term->reset() ),
1263 $text );
1264 }
1266 /**
1267 * Show "Reading tests from ..."
1268 *
1269 * @param $path String
1270 */
1271 public function showRunFile( $path ) {
1272 print $this->term->color( 1 ) .
1273 "Reading tests from \"$path\"..." .
1274 $this->term->reset() .
1275 "\n";
1276 }
1278 /**
1279 * Insert a temporary test article
1280 * @param $name String: the title, including any prefix
1281 * @param $text String: the article text
1282 * @param $line Integer: the input line number, for reporting errors
1283 * @param $ignoreDuplicate Boolean: whether to silently ignore duplicate pages
1284 */
1285 public static function addArticle( $name, $text, $line = 'unknown', $ignoreDuplicate = '' ) {
1286 global $wgCapitalLinks;
1288 $oldCapitalLinks = $wgCapitalLinks;
1289 $wgCapitalLinks = true; // We only need this from SetupGlobals() See r70917#c8637
1291 $text = self::chomp( $text );
1292 $name = self::chomp( $name );
1294 $title = Title::newFromText( $name );
1296 if ( is_null( $title ) ) {
1297 throw new MWException( "invalid title '$name' at line $line\n" );
1298 }
1300 $page = WikiPage::factory( $title );
1301 $page->loadPageData( 'fromdbmaster' );
1303 if ( $page->exists() ) {
1304 if ( $ignoreDuplicate == 'ignoreduplicate' ) {
1305 return;
1306 } else {
1307 throw new MWException( "duplicate article '$name' at line $line\n" );
1308 }
1309 }
1311 $page->doEditContent( ContentHandler::makeContent( $text, $title ), '', EDIT_NEW );
1313 $wgCapitalLinks = $oldCapitalLinks;
1314 }
1316 /**
1317 * Steal a callback function from the primary parser, save it for
1318 * application to our scary parser. If the hook is not installed,
1319 * abort processing of this file.
1320 *
1321 * @param $name String
1322 * @return Bool true if tag hook is present
1323 */
1324 public function requireHook( $name ) {
1325 global $wgParser;
1327 $wgParser->firstCallInit(); // make sure hooks are loaded.
1329 if ( isset( $wgParser->mTagHooks[$name] ) ) {
1330 $this->hooks[$name] = $wgParser->mTagHooks[$name];
1331 } else {
1332 echo " This test suite requires the '$name' hook extension, skipping.\n";
1333 return false;
1334 }
1336 return true;
1337 }
1339 /**
1340 * Steal a callback function from the primary parser, save it for
1341 * application to our scary parser. If the hook is not installed,
1342 * abort processing of this file.
1343 *
1344 * @param $name String
1345 * @return Bool true if function hook is present
1346 */
1347 public function requireFunctionHook( $name ) {
1348 global $wgParser;
1350 $wgParser->firstCallInit(); // make sure hooks are loaded.
1352 if ( isset( $wgParser->mFunctionHooks[$name] ) ) {
1353 $this->functionHooks[$name] = $wgParser->mFunctionHooks[$name];
1354 } else {
1355 echo " This test suite requires the '$name' function hook extension, skipping.\n";
1356 return false;
1357 }
1359 return true;
1360 }
1362 /**
1363 * Run the "tidy" command on text if the $wgUseTidy
1364 * global is true
1365 *
1366 * @param $text String: the text to tidy
1367 * @return String
1368 */
1369 private function tidy( $text ) {
1370 global $wgUseTidy;
1372 if ( $wgUseTidy ) {
1373 $text = MWTidy::tidy( $text );
1374 }
1376 return $text;
1377 }
1379 private function wellFormed( $text ) {
1380 $html =
1381 Sanitizer::hackDocType() .
1382 '<html>' .
1383 $text .
1384 '</html>';
1386 $parser = xml_parser_create( "UTF-8" );
1388 # case folding violates XML standard, turn it off
1389 xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, false );
1391 if ( !xml_parse( $parser, $html, true ) ) {
1392 $err = xml_error_string( xml_get_error_code( $parser ) );
1393 $position = xml_get_current_byte_index( $parser );
1394 $fragment = $this->extractFragment( $html, $position );
1395 $this->mXmlError = "$err at byte $position:\n$fragment";
1396 xml_parser_free( $parser );
1398 return false;
1399 }
1401 xml_parser_free( $parser );
1403 return true;
1404 }
1406 private function extractFragment( $text, $position ) {
1407 $start = max( 0, $position - 10 );
1408 $before = $position - $start;
1409 $fragment = '...' .
1410 $this->term->color( 34 ) .
1411 substr( $text, $start, $before ) .
1412 $this->term->color( 0 ) .
1413 $this->term->color( 31 ) .
1414 $this->term->color( 1 ) .
1415 substr( $text, $position, 1 ) .
1416 $this->term->color( 0 ) .
1417 $this->term->color( 34 ) .
1418 substr( $text, $position + 1, 9 ) .
1419 $this->term->color( 0 ) .
1420 '...';
1421 $display = str_replace( "\n", ' ', $fragment );
1422 $caret = ' ' .
1423 str_repeat( ' ', $before ) .
1424 $this->term->color( 31 ) .
1425 '^' .
1426 $this->term->color( 0 );
1428 return "$display\n$caret";
1429 }
1431 static function getFakeTimestamp( &$parser, &$ts ) {
1432 $ts = 123;
1433 return true;
1434 }
1435 }