| blob | 92c03cdc38f436dc2265fab03e4c1d6ef614a72d |
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;
438 // be sure, ParserTest::addArticle has correct language set,
439 // so that system messages gets into the right language cache
440 $GLOBALS['wgLanguageCode'] = 'en';
441 $GLOBALS['wgContLang'] = Language::factory( 'en' );
443 $this->recorder->start();
444 try {
445 $this->setupDatabase();
446 $ok = true;
448 foreach ( $filenames as $filename ) {
449 $tests = new TestFileIterator( $filename, $this );
450 $ok = $this->runTests( $tests ) && $ok;
451 }
453 $this->teardownDatabase();
454 $this->recorder->report();
455 } catch ( DBError $e ) {
456 echo $e->getMessage();
457 }
458 $this->recorder->end();
460 return $ok;
461 }
463 function runTests( $tests ) {
464 $ok = true;
466 foreach ( $tests as $t ) {
467 $result =
468 $this->runTest( $t['test'], $t['input'], $t['result'], $t['options'], $t['config'] );
469 $ok = $ok && $result;
470 $this->recorder->record( $t['test'], $result );
471 }
473 if ( $this->showProgress ) {
474 print "\n";
475 }
477 return $ok;
478 }
480 /**
481 * Get a Parser object
482 */
483 function getParser( $preprocessor = null ) {
484 global $wgParserConf;
486 $class = $wgParserConf['class'];
487 $parser = new $class( array( 'preprocessorClass' => $preprocessor ) + $wgParserConf );
489 foreach ( $this->hooks as $tag => $callback ) {
490 $parser->setHook( $tag, $callback );
491 }
493 foreach ( $this->functionHooks as $tag => $bits ) {
494 list( $callback, $flags ) = $bits;
495 $parser->setFunctionHook( $tag, $callback, $flags );
496 }
498 wfRunHooks( 'ParserTestParser', array( &$parser ) );
500 return $parser;
501 }
503 /**
504 * Run a given wikitext input through a freshly-constructed wiki parser,
505 * and compare the output against the expected results.
506 * Prints status and explanatory messages to stdout.
507 *
508 * @param $desc String: test's description
509 * @param $input String: wikitext to try rendering
510 * @param $result String: result to output
511 * @param $opts Array: test's options
512 * @param $config String: overrides for global variables, one per line
513 * @return Boolean
514 */
515 public function runTest( $desc, $input, $result, $opts, $config ) {
516 if ( $this->showProgress ) {
517 $this->showTesting( $desc );
518 }
520 $opts = $this->parseOptions( $opts );
521 $context = $this->setupGlobals( $opts, $config );
523 $user = $context->getUser();
524 $options = ParserOptions::newFromContext( $context );
526 if ( isset( $opts['title'] ) ) {
527 $titleText = $opts['title'];
528 } else {
529 $titleText = 'Parser test';
530 }
532 $local = isset( $opts['local'] );
533 $preprocessor = isset( $opts['preprocessor'] ) ? $opts['preprocessor'] : null;
534 $parser = $this->getParser( $preprocessor );
535 $title = Title::newFromText( $titleText );
537 if ( isset( $opts['pst'] ) ) {
538 $out = $parser->preSaveTransform( $input, $title, $user, $options );
539 } elseif ( isset( $opts['msg'] ) ) {
540 $out = $parser->transformMsg( $input, $options, $title );
541 } elseif ( isset( $opts['section'] ) ) {
542 $section = $opts['section'];
543 $out = $parser->getSection( $input, $section );
544 } elseif ( isset( $opts['replace'] ) ) {
545 $section = $opts['replace'][0];
546 $replace = $opts['replace'][1];
547 $out = $parser->replaceSection( $input, $section, $replace );
548 } elseif ( isset( $opts['comment'] ) ) {
549 $out = Linker::formatComment( $input, $title, $local );
550 } elseif ( isset( $opts['preload'] ) ) {
551 $out = $parser->getPreloadText( $input, $title, $options );
552 } else {
553 $output = $parser->parse( $input, $title, $options, true, true, 1337 );
554 $out = $output->getText();
556 if ( isset( $opts['showtitle'] ) ) {
557 if ( $output->getTitleText() ) {
558 $title = $output->getTitleText();
559 }
561 $out = "$title\n$out";
562 }
564 if ( isset( $opts['ill'] ) ) {
565 $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
566 } elseif ( isset( $opts['cat'] ) ) {
567 $outputPage = $context->getOutput();
568 $outputPage->addCategoryLinks( $output->getCategories() );
569 $cats = $outputPage->getCategoryLinks();
571 if ( isset( $cats['normal'] ) ) {
572 $out = $this->tidy( implode( ' ', $cats['normal'] ) );
573 } else {
574 $out = '';
575 }
576 }
578 $result = $this->tidy( $result );
579 }
581 $this->teardownGlobals();
583 $testResult = new ParserTestResult( $desc );
584 $testResult->expected = $result;
585 $testResult->actual = $out;
587 return $this->showTestResult( $testResult );
588 }
590 /**
591 * Refactored in 1.22 to use ParserTestResult
592 */
593 function showTestResult( ParserTestResult $testResult ) {
594 if ( $testResult->isSuccess() ) {
595 $this->showSuccess( $testResult );
596 return true;
597 } else {
598 $this->showFailure( $testResult );
599 return false;
600 }
601 }
603 /**
604 * Use a regex to find out the value of an option
605 * @param $key String: name of option val to retrieve
606 * @param $opts Options array to look in
607 * @param $default Mixed: default value returned if not found
608 */
609 private static function getOptionValue( $key, $opts, $default ) {
610 $key = strtolower( $key );
612 if ( isset( $opts[$key] ) ) {
613 return $opts[$key];
614 } else {
615 return $default;
616 }
617 }
619 private function parseOptions( $instring ) {
620 $opts = array();
621 // foo
622 // foo=bar
623 // foo="bar baz"
624 // foo=[[bar baz]]
625 // foo=bar,"baz quux"
626 $regex = '/\b
627 ([\w-]+) # Key
628 \b
629 (?:\s*
630 = # First sub-value
631 \s*
632 (
633 "
634 [^"]* # Quoted val
635 "
636 |
637 \[\[
638 [^]]* # Link target
639 \]\]
640 |
641 [\w-]+ # Plain word
642 )
643 (?:\s*
644 , # Sub-vals 1..N
645 \s*
646 (
647 "[^"]*" # Quoted val
648 |
649 \[\[[^]]*\]\] # Link target
650 |
651 [\w-]+ # Plain word
652 )
653 )*
654 )?
655 /x';
657 if ( preg_match_all( $regex, $instring, $matches, PREG_SET_ORDER ) ) {
658 foreach ( $matches as $bits ) {
659 array_shift( $bits );
660 $key = strtolower( array_shift( $bits ) );
661 if ( count( $bits ) == 0 ) {
662 $opts[$key] = true;
663 } elseif ( count( $bits ) == 1 ) {
664 $opts[$key] = $this->cleanupOption( array_shift( $bits ) );
665 } else {
666 // Array!
667 $opts[$key] = array_map( array( $this, 'cleanupOption' ), $bits );
668 }
669 }
670 }
671 return $opts;
672 }
674 private function cleanupOption( $opt ) {
675 if ( substr( $opt, 0, 1 ) == '"' ) {
676 return substr( $opt, 1, -1 );
677 }
679 if ( substr( $opt, 0, 2 ) == '[[' ) {
680 return substr( $opt, 2, -2 );
681 }
682 return $opt;
683 }
685 /**
686 * Set up the global variables for a consistent environment for each test.
687 * Ideally this should replace the global configuration entirely.
688 */
689 private function setupGlobals( $opts = '', $config = '' ) {
690 # Find out values for some special options.
691 $lang =
692 self::getOptionValue( 'language', $opts, 'en' );
693 $variant =
694 self::getOptionValue( 'variant', $opts, false );
695 $maxtoclevel =
696 self::getOptionValue( 'wgMaxTocLevel', $opts, 999 );
697 $linkHolderBatchSize =
698 self::getOptionValue( 'wgLinkHolderBatchSize', $opts, 1000 );
700 $settings = array(
701 'wgServer' => 'http://example.org',
702 'wgScript' => '/index.php',
703 'wgScriptPath' => '/',
704 'wgArticlePath' => '/wiki/$1',
705 'wgActionPaths' => array(),
706 'wgLockManagers' => array( array(
707 'name' => 'fsLockManager',
708 'class' => 'FSLockManager',
709 'lockDirectory' => $this->uploadDir . '/lockdir',
710 ), array(
711 'name' => 'nullLockManager',
712 'class' => 'NullLockManager',
713 ) ),
714 'wgLocalFileRepo' => array(
715 'class' => 'LocalRepo',
716 'name' => 'local',
717 'url' => 'http://example.com/images',
718 'hashLevels' => 2,
719 'transformVia404' => false,
720 'backend' => new FSFileBackend( array(
721 'name' => 'local-backend',
722 'lockManager' => 'fsLockManager',
723 'containerPaths' => array(
724 'local-public' => $this->uploadDir,
725 'local-thumb' => $this->uploadDir . '/thumb',
726 'local-temp' => $this->uploadDir . '/temp',
727 'local-deleted' => $this->uploadDir . '/delete',
728 )
729 ) )
730 ),
731 'wgEnableUploads' => self::getOptionValue( 'wgEnableUploads', $opts, true ),
732 'wgStylePath' => '/skins',
733 'wgSitename' => 'MediaWiki',
734 'wgLanguageCode' => $lang,
735 'wgDBprefix' => $this->db->getType() != 'oracle' ? 'parsertest_' : 'pt_',
736 'wgRawHtml' => self::getOptionValue( 'wgRawHtml', $opts, false ),
737 'wgLang' => null,
738 'wgContLang' => null,
739 'wgNamespacesWithSubpages' => array( 0 => isset( $opts['subpage'] ) ),
740 'wgMaxTocLevel' => $maxtoclevel,
741 'wgCapitalLinks' => true,
742 'wgNoFollowLinks' => true,
743 'wgNoFollowDomainExceptions' => array(),
744 'wgThumbnailScriptPath' => false,
745 'wgUseImageResize' => true,
746 'wgSVGConverter' => 'null',
747 'wgSVGConverters' => array( 'null' => 'echo "1">$output' ),
748 'wgLocaltimezone' => 'UTC',
749 'wgAllowExternalImages' => self::getOptionValue( 'wgAllowExternalImages', $opts, true ),
750 'wgUseTidy' => false,
751 'wgDefaultLanguageVariant' => $variant,
752 'wgVariantArticlePath' => false,
753 'wgGroupPermissions' => array( '*' => array(
754 'createaccount' => true,
755 'read' => true,
756 'edit' => true,
757 'createpage' => true,
758 'createtalk' => true,
759 ) ),
760 'wgNamespaceProtection' => array( NS_MEDIAWIKI => 'editinterface' ),
761 'wgDefaultExternalStore' => array(),
762 'wgForeignFileRepos' => array(),
763 'wgLinkHolderBatchSize' => $linkHolderBatchSize,
764 'wgExperimentalHtmlIds' => false,
765 'wgExternalLinkTarget' => false,
766 'wgAlwaysUseTidy' => false,
767 'wgHtml5' => true,
768 'wgWellFormedXml' => true,
769 'wgAllowMicrodataAttributes' => true,
770 'wgAdaptiveMessageCache' => true,
771 'wgDisableLangConversion' => false,
772 'wgDisableTitleConversion' => false,
773 );
775 if ( $config ) {
776 $configLines = explode( "\n", $config );
778 foreach ( $configLines as $line ) {
779 list( $var, $value ) = explode( '=', $line, 2 );
781 $settings[$var] = eval( "return $value;" );
782 }
783 }
785 $this->savedGlobals = array();
787 /** @since 1.20 */
788 wfRunHooks( 'ParserTestGlobals', array( &$settings ) );
790 foreach ( $settings as $var => $val ) {
791 if ( array_key_exists( $var, $GLOBALS ) ) {
792 $this->savedGlobals[$var] = $GLOBALS[$var];
793 }
795 $GLOBALS[$var] = $val;
796 }
798 $GLOBALS['wgContLang'] = Language::factory( $lang );
799 $GLOBALS['wgMemc'] = new EmptyBagOStuff;
801 $context = new RequestContext();
802 $GLOBALS['wgLang'] = $context->getLanguage();
803 $GLOBALS['wgOut'] = $context->getOutput();
805 $GLOBALS['wgUser'] = new User();
807 global $wgHooks;
809 $wgHooks['ParserTestParser'][] = 'ParserTestParserHook::setup';
810 $wgHooks['ParserGetVariableValueTs'][] = 'ParserTest::getFakeTimestamp';
812 MagicWord::clearCache();
814 return $context;
815 }
817 /**
818 * List of temporary tables to create, without prefix.
819 * Some of these probably aren't necessary.
820 */
821 private function listTables() {
822 $tables = array( 'user', 'user_properties', 'user_former_groups', 'page', 'page_restrictions',
823 'protected_titles', 'revision', 'text', 'pagelinks', 'imagelinks',
824 'categorylinks', 'templatelinks', 'externallinks', 'langlinks', 'iwlinks',
825 'site_stats', 'hitcounter', 'ipblocks', 'image', 'oldimage',
826 'recentchanges', 'watchlist', 'interwiki', 'logging',
827 'querycache', 'objectcache', 'job', 'l10n_cache', 'redirect', 'querycachetwo',
828 'archive', 'user_groups', 'page_props', 'category', 'msg_resource', 'msg_resource_links'
829 );
831 if ( in_array( $this->db->getType(), array( 'mysql', 'sqlite', 'oracle' ) ) ) {
832 array_push( $tables, 'searchindex' );
833 }
835 // Allow extensions to add to the list of tables to duplicate;
836 // may be necessary if they hook into page save or other code
837 // which will require them while running tests.
838 wfRunHooks( 'ParserTestTables', array( &$tables ) );
840 return $tables;
841 }
843 /**
844 * Set up a temporary set of wiki tables to work with for the tests.
845 * Currently this will only be done once per run, and any changes to
846 * the db will be visible to later tests in the run.
847 */
848 public function setupDatabase() {
849 global $wgDBprefix;
851 if ( $this->databaseSetupDone ) {
852 return;
853 }
855 $this->db = wfGetDB( DB_MASTER );
856 $dbType = $this->db->getType();
858 if ( $wgDBprefix === 'parsertest_' || ( $dbType == 'oracle' && $wgDBprefix === 'pt_' ) ) {
859 throw new MWException( 'setupDatabase should be called before setupGlobals' );
860 }
862 $this->databaseSetupDone = true;
863 $this->oldTablePrefix = $wgDBprefix;
865 # SqlBagOStuff broke when using temporary tables on r40209 (bug 15892).
866 # It seems to have been fixed since (r55079?), but regressed at some point before r85701.
867 # This works around it for now...
868 ObjectCache::$instances[CACHE_DB] = new HashBagOStuff;
870 # CREATE TEMPORARY TABLE breaks if there is more than one server
871 if ( wfGetLB()->getServerCount() != 1 ) {
872 $this->useTemporaryTables = false;
873 }
875 $temporary = $this->useTemporaryTables || $dbType == 'postgres';
876 $prefix = $dbType != 'oracle' ? 'parsertest_' : 'pt_';
878 $this->dbClone = new CloneDatabase( $this->db, $this->listTables(), $prefix );
879 $this->dbClone->useTemporaryTables( $temporary );
880 $this->dbClone->cloneTableStructure();
882 if ( $dbType == 'oracle' ) {
883 $this->db->query( 'BEGIN FILL_WIKI_INFO; END;' );
884 # Insert 0 user to prevent FK violations
886 # Anonymous user
887 $this->db->insert( 'user', array(
888 'user_id' => 0,
889 'user_name' => 'Anonymous' ) );
890 }
892 # Update certain things in site_stats
893 $this->db->insert( 'site_stats',
894 array( 'ss_row_id' => 1, 'ss_images' => 2, 'ss_good_articles' => 1 ) );
896 # Reinitialise the LocalisationCache to match the database state
897 Language::getLocalisationCache()->unloadAll();
899 # Clear the message cache
900 MessageCache::singleton()->clear();
902 // Remember to update newParserTests.php after changing the below
903 // (and it uses a slightly different syntax just for teh lulz)
904 $this->uploadDir = $this->setupUploadDir();
905 $user = User::createNew( 'WikiSysop' );
906 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.jpg' ) );
907 # note that the size/width/height/bits/etc of the file
908 # are actually set by inspecting the file itself; the arguments
909 # to recordUpload2 have no effect. That said, we try to make things
910 # match up so it is less confusing to readers of the code & tests.
911 $image->recordUpload2( '', 'Upload of some lame file', 'Some lame file', array(
912 'size' => 7881,
913 'width' => 1941,
914 'height' => 220,
915 'bits' => 8,
916 'media_type' => MEDIATYPE_BITMAP,
917 'mime' => 'image/jpeg',
918 'metadata' => serialize( array() ),
919 'sha1' => wfBaseConvert( '1', 16, 36, 31 ),
920 'fileExists' => true
921 ), $this->db->timestamp( '20010115123500' ), $user );
923 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Thumb.png' ) );
924 # again, note that size/width/height below are ignored; see above.
925 $image->recordUpload2( '', 'Upload of some lame thumbnail', 'Some lame thumbnail', array(
926 'size' => 22589,
927 'width' => 135,
928 'height' => 135,
929 'bits' => 8,
930 'media_type' => MEDIATYPE_BITMAP,
931 'mime' => 'image/png',
932 'metadata' => serialize( array() ),
933 'sha1' => wfBaseConvert( '2', 16, 36, 31 ),
934 'fileExists' => true
935 ), $this->db->timestamp( '20130225203040' ), $user );
937 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Foobar.svg' ) );
938 $image->recordUpload2( '', 'Upload of some lame SVG', 'Some lame SVG', array(
939 'size' => 12345,
940 'width' => 240,
941 'height' => 180,
942 'bits' => 24,
943 'media_type' => MEDIATYPE_DRAWING,
944 'mime' => 'image/svg+xml',
945 'metadata' => serialize( array() ),
946 'sha1' => wfBaseConvert( '', 16, 36, 31 ),
947 'fileExists' => true
948 ), $this->db->timestamp( '20010115123500' ), $user );
950 # This image will be blacklisted in [[MediaWiki:Bad image list]]
951 $image = wfLocalFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
952 $image->recordUpload2( '', 'zomgnotcensored', 'Borderline image', array(
953 'size' => 12345,
954 'width' => 320,
955 'height' => 240,
956 'bits' => 24,
957 'media_type' => MEDIATYPE_BITMAP,
958 'mime' => 'image/jpeg',
959 'metadata' => serialize( array() ),
960 'sha1' => wfBaseConvert( '3', 16, 36, 31 ),
961 'fileExists' => true
962 ), $this->db->timestamp( '20010115123500' ), $user );
963 }
965 public function teardownDatabase() {
966 if ( !$this->databaseSetupDone ) {
967 $this->teardownGlobals();
968 return;
969 }
970 $this->teardownUploadDir( $this->uploadDir );
972 $this->dbClone->destroy();
973 $this->databaseSetupDone = false;
975 if ( $this->useTemporaryTables ) {
976 if ( $this->db->getType() == 'sqlite' ) {
977 # Under SQLite the searchindex table is virtual and need
978 # to be explicitly destroyed. See bug 29912
979 # See also MediaWikiTestCase::destroyDB()
980 wfDebug( __METHOD__ . " explicitly destroying sqlite virtual table parsertest_searchindex\n" );
981 $this->db->query( "DROP TABLE `parsertest_searchindex`" );
982 }
983 # Don't need to do anything
984 $this->teardownGlobals();
985 return;
986 }
988 $tables = $this->listTables();
990 foreach ( $tables as $table ) {
991 if ( $this->db->getType() == 'oracle' ) {
992 $this->db->query( "DROP TABLE pt_$table DROP CONSTRAINTS" );
993 } else {
994 $this->db->query( "DROP TABLE `parsertest_$table`" );
995 }
996 }
998 if ( $this->db->getType() == 'oracle' ) {
999 $this->db->query( 'BEGIN FILL_WIKI_INFO; END;' );
1000 }
1002 $this->teardownGlobals();
1003 }
1005 /**
1006 * Create a dummy uploads directory which will contain a couple
1007 * of files in order to pass existence tests.
1008 *
1009 * @return String: the directory
1010 */
1011 private function setupUploadDir() {
1012 global $IP;
1014 if ( $this->keepUploads ) {
1015 $dir = wfTempDir() . '/mwParser-images';
1017 if ( is_dir( $dir ) ) {
1018 return $dir;
1019 }
1020 } else {
1021 $dir = wfTempDir() . "/mwParser-" . mt_rand() . "-images";
1022 }
1024 // wfDebug( "Creating upload directory $dir\n" );
1025 if ( file_exists( $dir ) ) {
1026 wfDebug( "Already exists!\n" );
1027 return $dir;
1028 }
1030 wfMkdirParents( $dir . '/3/3a', null, __METHOD__ );
1031 copy( "$IP/skins/monobook/headbg.jpg", "$dir/3/3a/Foobar.jpg" );
1032 wfMkdirParents( $dir . '/e/ea', null, __METHOD__ );
1033 copy( "$IP/skins/monobook/wiki.png", "$dir/e/ea/Thumb.png" );
1034 wfMkdirParents( $dir . '/0/09', null, __METHOD__ );
1035 copy( "$IP/skins/monobook/headbg.jpg", "$dir/0/09/Bad.jpg" );
1036 wfMkdirParents( $dir . '/f/ff', null, __METHOD__ );
1037 copy( "$IP/skins/monobook/headbg.jpg", "$dir/f/ff/Foobar.svg" );
1038 file_put_contents( "$dir/f/ff/Foobar.svg",
1039 '<?xml version="1.0" encoding="utf-8"?>' .
1040 '<svg xmlns="http://www.w3.org/2000/svg" />' );
1041 return $dir;
1042 }
1044 /**
1045 * Restore default values and perform any necessary clean-up
1046 * after each test runs.
1047 */
1048 private function teardownGlobals() {
1049 RepoGroup::destroySingleton();
1050 FileBackendGroup::destroySingleton();
1051 LockManagerGroup::destroySingletons();
1052 LinkCache::singleton()->clear();
1054 foreach ( $this->savedGlobals as $var => $val ) {
1055 $GLOBALS[$var] = $val;
1056 }
1057 }
1059 /**
1060 * Remove the dummy uploads directory
1061 */
1062 private function teardownUploadDir( $dir ) {
1063 if ( $this->keepUploads ) {
1064 return;
1065 }
1067 // delete the files first, then the dirs.
1068 self::deleteFiles(
1069 array(
1070 "$dir/3/3a/Foobar.jpg",
1071 "$dir/thumb/3/3a/Foobar.jpg/180px-Foobar.jpg",
1072 "$dir/thumb/3/3a/Foobar.jpg/200px-Foobar.jpg",
1073 "$dir/thumb/3/3a/Foobar.jpg/640px-Foobar.jpg",
1074 "$dir/thumb/3/3a/Foobar.jpg/120px-Foobar.jpg",
1075 "$dir/thumb/3/3a/Foobar.jpg/1280px-Foobar.jpg",
1076 "$dir/thumb/3/3a/Foobar.jpg/20px-Foobar.jpg",
1077 "$dir/thumb/3/3a/Foobar.jpg/270px-Foobar.jpg",
1078 "$dir/thumb/3/3a/Foobar.jpg/300px-Foobar.jpg",
1079 "$dir/thumb/3/3a/Foobar.jpg/30px-Foobar.jpg",
1080 "$dir/thumb/3/3a/Foobar.jpg/360px-Foobar.jpg",
1081 "$dir/thumb/3/3a/Foobar.jpg/400px-Foobar.jpg",
1082 "$dir/thumb/3/3a/Foobar.jpg/40px-Foobar.jpg",
1083 "$dir/thumb/3/3a/Foobar.jpg/70px-Foobar.jpg",
1084 "$dir/thumb/3/3a/Foobar.jpg/960px-Foobar.jpg",
1086 "$dir/e/ea/Thumb.png",
1088 "$dir/0/09/Bad.jpg",
1090 "$dir/f/ff/Foobar.svg",
1091 "$dir/thumb/f/ff/Foobar.svg/180px-Foobar.svg.png",
1092 "$dir/thumb/f/ff/Foobar.svg/360px-Foobar.svg.png",
1093 "$dir/thumb/f/ff/Foobar.svg/langde-270px-Foobar.svg.png",
1094 "$dir/thumb/f/ff/Foobar.svg/270px-Foobar.svg.png",
1095 "$dir/thumb/f/ff/Foobar.svg/langde-180px-Foobar.svg.png",
1096 "$dir/thumb/f/ff/Foobar.svg/langde-360px-Foobar.svg.png",
1098 "$dir/math/f/a/5/fa50b8b616463173474302ca3e63586b.png",
1099 )
1100 );
1102 self::deleteDirs(
1103 array(
1104 "$dir/3/3a",
1105 "$dir/3",
1106 "$dir/thumb/6/65",
1107 "$dir/thumb/6",
1108 "$dir/thumb/3/3a/Foobar.jpg",
1109 "$dir/thumb/3/3a",
1110 "$dir/thumb/3",
1111 "$dir/e/ea",
1112 "$dir/e",
1113 "$dir/f/ff/",
1114 "$dir/f/",
1115 "$dir/thumb/f/ff/Foobar.svg",
1116 "$dir/thumb/f/ff/",
1117 "$dir/thumb/f/",
1118 "$dir/0/09/",
1119 "$dir/0/",
1120 "$dir/thumb",
1121 "$dir/math/f/a/5",
1122 "$dir/math/f/a",
1123 "$dir/math/f",
1124 "$dir/math",
1125 "$dir",
1126 )
1127 );
1128 }
1130 /**
1131 * Delete the specified files, if they exist.
1132 * @param $files Array: full paths to files to delete.
1133 */
1134 private static function deleteFiles( $files ) {
1135 foreach ( $files as $file ) {
1136 if ( file_exists( $file ) ) {
1137 unlink( $file );
1138 }
1139 }
1140 }
1142 /**
1143 * Delete the specified directories, if they exist. Must be empty.
1144 * @param $dirs Array: full paths to directories to delete.
1145 */
1146 private static function deleteDirs( $dirs ) {
1147 foreach ( $dirs as $dir ) {
1148 if ( is_dir( $dir ) ) {
1149 rmdir( $dir );
1150 }
1151 }
1152 }
1154 /**
1155 * "Running test $desc..."
1156 */
1157 protected function showTesting( $desc ) {
1158 print "Running test $desc... ";
1159 }
1161 /**
1162 * Print a happy success message.
1163 *
1164 * Refactored in 1.22 to use ParserTestResult
1165 *
1166 * @param $testResult ParserTestResult
1167 * @return Boolean
1168 */
1169 protected function showSuccess( ParserTestResult $testResult ) {
1170 if ( $this->showProgress ) {
1171 print $this->term->color( '1;32' ) . 'PASSED' . $this->term->reset() . "\n";
1172 }
1174 return true;
1175 }
1177 /**
1178 * Print a failure message and provide some explanatory output
1179 * about what went wrong if so configured.
1180 *
1181 * Refactored in 1.22 to use ParserTestResult
1182 *
1183 * @param $testResult ParserTestResult
1184 * @return Boolean
1185 */
1186 protected function showFailure( ParserTestResult $testResult ) {
1187 if ( $this->showFailure ) {
1188 if ( !$this->showProgress ) {
1189 # In quiet mode we didn't show the 'Testing' message before the
1190 # test, in case it succeeded. Show it now:
1191 $this->showTesting( $testResult->description );
1192 }
1194 print $this->term->color( '31' ) . 'FAILED!' . $this->term->reset() . "\n";
1196 if ( $this->showOutput ) {
1197 print "--- Expected ---\n{$testResult->expected}\n";
1198 print "--- Actual ---\n{$testResult->actual}\n";
1199 }
1201 if ( $this->showDiffs ) {
1202 print $this->quickDiff( $testResult->expected, $testResult->actual );
1203 if ( !$this->wellFormed( $testResult->actual ) ) {
1204 print "XML error: $this->mXmlError\n";
1205 }
1206 }
1207 }
1209 return false;
1210 }
1212 /**
1213 * Run given strings through a diff and return the (colorized) output.
1214 * Requires writable /tmp directory and a 'diff' command in the PATH.
1215 *
1216 * @param $input String
1217 * @param $output String
1218 * @param $inFileTail String: tailing for the input file name
1219 * @param $outFileTail String: tailing for the output file name
1220 * @return String
1221 */
1222 protected function quickDiff( $input, $output,
1223 $inFileTail = 'expected', $outFileTail = 'actual'
1224 ) {
1225 # Windows, or at least the fc utility, is retarded
1226 $slash = wfIsWindows() ? '\\' : '/';
1227 $prefix = wfTempDir() . "{$slash}mwParser-" . mt_rand();
1229 $infile = "$prefix-$inFileTail";
1230 $this->dumpToFile( $input, $infile );
1232 $outfile = "$prefix-$outFileTail";
1233 $this->dumpToFile( $output, $outfile );
1235 $shellInfile = wfEscapeShellArg( $infile );
1236 $shellOutfile = wfEscapeShellArg( $outfile );
1238 global $wgDiff3;
1239 // we assume that people with diff3 also have usual diff
1240 $shellCommand = ( wfIsWindows() && !$wgDiff3 ) ? 'fc' : 'diff -au';
1242 $diff = wfShellExec( "$shellCommand $shellInfile $shellOutfile" );
1244 unlink( $infile );
1245 unlink( $outfile );
1247 return $this->colorDiff( $diff );
1248 }
1250 /**
1251 * Write the given string to a file, adding a final newline.
1252 *
1253 * @param $data String
1254 * @param $filename String
1255 */
1256 private function dumpToFile( $data, $filename ) {
1257 $file = fopen( $filename, "wt" );
1258 fwrite( $file, $data . "\n" );
1259 fclose( $file );
1260 }
1262 /**
1263 * Colorize unified diff output if set for ANSI color output.
1264 * Subtractions are colored blue, additions red.
1265 *
1266 * @param $text String
1267 * @return String
1268 */
1269 protected function colorDiff( $text ) {
1270 return preg_replace(
1271 array( '/^(-.*)$/m', '/^(\+.*)$/m' ),
1272 array( $this->term->color( 34 ) . '$1' . $this->term->reset(),
1273 $this->term->color( 31 ) . '$1' . $this->term->reset() ),
1274 $text );
1275 }
1277 /**
1278 * Show "Reading tests from ..."
1279 *
1280 * @param $path String
1281 */
1282 public function showRunFile( $path ) {
1283 print $this->term->color( 1 ) .
1284 "Reading tests from \"$path\"..." .
1285 $this->term->reset() .
1286 "\n";
1287 }
1289 /**
1290 * Insert a temporary test article
1291 * @param $name String: the title, including any prefix
1292 * @param $text String: the article text
1293 * @param $line Integer: the input line number, for reporting errors
1294 * @param $ignoreDuplicate Boolean: whether to silently ignore duplicate pages
1295 */
1296 public static function addArticle( $name, $text, $line = 'unknown', $ignoreDuplicate = '' ) {
1297 global $wgCapitalLinks;
1299 $oldCapitalLinks = $wgCapitalLinks;
1300 $wgCapitalLinks = true; // We only need this from SetupGlobals() See r70917#c8637
1302 $text = self::chomp( $text );
1303 $name = self::chomp( $name );
1305 $title = Title::newFromText( $name );
1307 if ( is_null( $title ) ) {
1308 throw new MWException( "invalid title '$name' at line $line\n" );
1309 }
1311 $page = WikiPage::factory( $title );
1312 $page->loadPageData( 'fromdbmaster' );
1314 if ( $page->exists() ) {
1315 if ( $ignoreDuplicate == 'ignoreduplicate' ) {
1316 return;
1317 } else {
1318 throw new MWException( "duplicate article '$name' at line $line\n" );
1319 }
1320 }
1322 $page->doEditContent( ContentHandler::makeContent( $text, $title ), '', EDIT_NEW );
1324 $wgCapitalLinks = $oldCapitalLinks;
1325 }
1327 /**
1328 * Steal a callback function from the primary parser, save it for
1329 * application to our scary parser. If the hook is not installed,
1330 * abort processing of this file.
1331 *
1332 * @param $name String
1333 * @return Bool true if tag hook is present
1334 */
1335 public function requireHook( $name ) {
1336 global $wgParser;
1338 $wgParser->firstCallInit(); // make sure hooks are loaded.
1340 if ( isset( $wgParser->mTagHooks[$name] ) ) {
1341 $this->hooks[$name] = $wgParser->mTagHooks[$name];
1342 } else {
1343 echo " This test suite requires the '$name' hook extension, skipping.\n";
1344 return false;
1345 }
1347 return true;
1348 }
1350 /**
1351 * Steal a callback function from the primary parser, save it for
1352 * application to our scary parser. If the hook is not installed,
1353 * abort processing of this file.
1354 *
1355 * @param $name String
1356 * @return Bool true if function hook is present
1357 */
1358 public function requireFunctionHook( $name ) {
1359 global $wgParser;
1361 $wgParser->firstCallInit(); // make sure hooks are loaded.
1363 if ( isset( $wgParser->mFunctionHooks[$name] ) ) {
1364 $this->functionHooks[$name] = $wgParser->mFunctionHooks[$name];
1365 } else {
1366 echo " This test suite requires the '$name' function hook extension, skipping.\n";
1367 return false;
1368 }
1370 return true;
1371 }
1373 /**
1374 * Run the "tidy" command on text if the $wgUseTidy
1375 * global is true
1376 *
1377 * @param $text String: the text to tidy
1378 * @return String
1379 */
1380 private function tidy( $text ) {
1381 global $wgUseTidy;
1383 if ( $wgUseTidy ) {
1384 $text = MWTidy::tidy( $text );
1385 }
1387 return $text;
1388 }
1390 private function wellFormed( $text ) {
1391 $html =
1392 Sanitizer::hackDocType() .
1393 '<html>' .
1394 $text .
1395 '</html>';
1397 $parser = xml_parser_create( "UTF-8" );
1399 # case folding violates XML standard, turn it off
1400 xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, false );
1402 if ( !xml_parse( $parser, $html, true ) ) {
1403 $err = xml_error_string( xml_get_error_code( $parser ) );
1404 $position = xml_get_current_byte_index( $parser );
1405 $fragment = $this->extractFragment( $html, $position );
1406 $this->mXmlError = "$err at byte $position:\n$fragment";
1407 xml_parser_free( $parser );
1409 return false;
1410 }
1412 xml_parser_free( $parser );
1414 return true;
1415 }
1417 private function extractFragment( $text, $position ) {
1418 $start = max( 0, $position - 10 );
1419 $before = $position - $start;
1420 $fragment = '...' .
1421 $this->term->color( 34 ) .
1422 substr( $text, $start, $before ) .
1423 $this->term->color( 0 ) .
1424 $this->term->color( 31 ) .
1425 $this->term->color( 1 ) .
1426 substr( $text, $position, 1 ) .
1427 $this->term->color( 0 ) .
1428 $this->term->color( 34 ) .
1429 substr( $text, $position + 1, 9 ) .
1430 $this->term->color( 0 ) .
1431 '...';
1432 $display = str_replace( "\n", ' ', $fragment );
1433 $caret = ' ' .
1434 str_repeat( ' ', $before ) .
1435 $this->term->color( 31 ) .
1436 '^' .
1437 $this->term->color( 0 );
1439 return "$display\n$caret";
1440 }
1442 static function getFakeTimestamp( &$parser, &$ts ) {
1443 $ts = 123;
1444 return true;
1445 }
1446 }