<?php
# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
# http://www.mediawiki.org/
-#
+#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
-#
+#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
-#
+#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
-# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# http://www.gnu.org/copyleft/gpl.html
/**
- * @todo Make this more independent of the configuration (and if possible the database)
- * @todo document
- * @package MediaWiki
- * @subpackage Maintenance
+ * @file
+ * @ingroup Maintenance
*/
-/** */
-require_once( 'commandLine.inc' );
-require_once( 'languages/LanguageUtf8.php' );
-
-class ParserTest {
-
- /**
- * Sets terminal colorization and diff/quick modes depending on OS and
- * command-line options (--color and --quick).
- *
- * @access public
- */
- function ParserTest() {
- if( isset( $_SERVER['argv'] ) && in_array( '--color', $_SERVER['argv'] ) ) {
- $this->color = true;
- } elseif( isset( $_SERVER['argv'] ) && in_array( '--color=yes', $_SERVER['argv'] ) ) {
- $this->color = true;
- } elseif( isset( $_SERVER['argv'] ) && in_array( '--color=no', $_SERVER['argv'] ) ) {
- $this->color = false;
- } elseif( wfIsWindows() ) {
- $this->color = false;
- } else {
- # Only colorize output if stdout is a terminal.
- $this->color = posix_isatty(1);
- }
-
- if( isset( $_SERVER['argv'] ) && in_array( '--quick', $_SERVER['argv'] ) ) {
- $this->showDiffs = false;
- } else {
- $this->showDiffs = true;
- }
- }
-
- /**
- * Remove last character if it is a newline
- * @access private
- */
- function chomp($s) {
- if (substr($s, -1) === "\n") {
- return substr($s, 0, -1);
- }
- else {
- return $s;
- }
- }
-
- /**
- * Run a series of tests listed in the given text file.
- * Each test consists of a brief description, wikitext input,
- * and the expected HTML output.
- *
- * Prints status updates on stdout and counts up the total
- * number and percentage of passed tests.
- *
- * @param string $filename
- * @return bool True if passed all tests, false if any tests failed.
- * @access public
- */
- function runTestsFromFile( $filename ) {
- $infile = fopen( $filename, 'rt' );
- if( !$infile ) {
- die( "Couldn't open parserTests.txt\n" );
- }
-
- $data = array();
- $section = null;
- $success = 0;
- $total = 0;
- $n = 0;
- while( false !== ($line = fgets( $infile ) ) ) {
- $n++;
- if( preg_match( '/^!!\s*(\w+)/', $line, $matches ) ) {
- $section = strtolower( $matches[1] );
- if( $section == 'endarticle') {
- if( !isset( $data['text'] ) ) {
- die( "'endarticle' without 'text' at line $n\n" );
- }
- if( !isset( $data['article'] ) ) {
- die( "'endarticle' without 'article' at line $n\n" );
- }
- $this->addArticle($this->chomp($data['article']), $this->chomp($data['text']));
- $data = array();
- $section = null;
- continue;
- }
- if( $section == 'end' ) {
- if (isset ($data['disabled'])) {
- # disabled test
- $data = array();
- $section = null;
- continue;
- }
- if( !isset( $data['test'] ) ) {
- die( "'end' without 'test' at line $n\n" );
- }
- if( !isset( $data['input'] ) ) {
- die( "'end' without 'input' at line $n\n" );
- }
- if( !isset( $data['result'] ) ) {
- die( "'end' without 'result' at line $n\n" );
- }
- if( !isset( $data['options'] ) ) {
- $data['options'] = '';
- }
- else {
- $data['options'] = $this->chomp( $data['options'] );
- }
- if( $this->runTest(
- $this->chomp( $data['test'] ),
- $this->chomp( $data['input'] ),
- $this->chomp( $data['result'] ),
- $this->chomp( $data['options'] ) ) ) {
- $success++;
- }
- $total++;
- $data = array();
- $section = null;
- continue;
- }
- $data[$section] = '';
- continue;
- }
- if( $section ) {
- $data[$section] .= $line;
- }
- }
- if( $total > 0 ) {
- $ratio = IntVal( 100.0 * $success / $total );
- print $this->termColor( 1 ) . "\nPassed $success of $total tests ($ratio%) ";
- if( $success == $total ) {
- print $this->termColor( 32 ) . "PASSED!";
- } else {
- print $this->termColor( 31 ) . "FAILED!";
- }
- print $this->termReset() . "\n";
- return ($success == $total);
- } else {
- die( "No tests found.\n" );
- }
- }
-
- /**
- * Run a given wikitext input through a freshly-constructed wiki parser,
- * and compare the output against the expected results.
- * Prints status and explanatory messages to stdout.
- *
- * @param string $input Wikitext to try rendering
- * @param string $result Result to output
- * @return bool
- */
- function runTest( $desc, $input, $result, $opts ) {
- print "Running test $desc... ";
-
- $this->setupGlobals($opts);
-
- $user =& new User();
- $options =& ParserOptions::newFromUser( $user );
-
- if (preg_match('/math/i', $opts)) {
- # XXX this should probably be done by the ParserOptions
- require_once('Math.php');
-
- $options->setUseTex(true);
- }
-
- if (preg_match('/title=\[\[(.*)\]\]/', $opts, $m)) {
- $titleText = $m[1];
- }
- else {
- $titleText = 'Parser test';
- }
-
- $parser =& new Parser();
- $title =& Title::makeTitle( NS_MAIN, $titleText );
-
- if (preg_match('/pst/i', $opts)) {
- $out = $parser->preSaveTransform( $input, $title, $user, $options );
- }
- else if (preg_match('/msg/i', $opts)) {
- $out = $parser->transformMsg( $input, $options );
- }
- else {
- $output =& $parser->parse( $input, $title, $options );
- $out = $output->getText();
-
- $op = new OutputPage();
- $op->replaceLinkHolders($out);
-
- if (preg_match('/ill/i', $opts)) {
- $out .= implode( ' ', $output->getLanguageLinks() );
- }
- if (preg_match('/cat/i', $opts)) {
- $out .= implode( ' ', $output->getCategoryLinks() );
- }
-
- if ($GLOBALS['wgUseTidy']) {
- $result = Parser::tidy($result);
- }
- }
-
- $this->teardownGlobals();
-
- if( $result === $out ) {
- return $this->showSuccess( $desc );
- } else {
- return $this->showFailure( $desc, $result, $out );
- }
- }
-
- /**
- * Set up the global variables for a consistent environment for each test.
- * Ideally this should replace the global configuration entirely.
- *
- * @access private
- */
- function setupGlobals($opts = '') {
- $settings = array(
- 'wgServer' => 'http://localhost',
- 'wgScript' => '/index.php',
- 'wgScriptPath' => '/',
- 'wgArticlePath' => '/wiki/$1',
- 'wgSitename' => 'MediaWiki',
- 'wgLanguageCode' => 'en',
- 'wgUseLatin1' => false,
- 'wgDBprefix' => 'parsertest',
-
- 'wgLoadBalancer' => LoadBalancer::newFromParams( $GLOBALS['wgDBservers'] ),
- 'wgLang' => new LanguageUtf8(),
- 'wgNamespacesWithSubpages' => array( 0 => preg_match('/subpage/i', $opts)),
- );
- $this->savedGlobals = array();
- foreach( $settings as $var => $val ) {
- $this->savedGlobals[$var] = $GLOBALS[$var];
- $GLOBALS[$var] = $val;
- }
- $GLOBALS['wgLoadBalancer']->loadMasterPos();
- $this->setupDatabase();
- }
-
- /**
- * Set up a temporary set of wiki tables to work with for the tests.
- * Currently this will only be done once per run, and any changes to
- * the db will be visible to later tests in the run.
- *
- * This is ugly, but we need a way to modify the database
- * without breaking anything. Currently it isn't possible
- * to roll back transactions, which might help with this.
- * -- wtm
- *
- * @access private
- */
- function setupDatabase() {
- static $setupDB = false;
- if (!$setupDB && $GLOBALS['wgDBprefix'] === 'parsertest') {
- $db =& wfGetDB( DB_MASTER );
- if (0) {
- # XXX CREATE TABLE ... LIKE requires MySQL 4.1
- $tables = array('cur', 'interwiki', 'brokenlinks', 'recentchanges');
- foreach ($tables as $tbl) {
- $db->query('CREATE TEMPORARY TABLE ' . $GLOBALS['wgDBprefix'] . "$tbl LIKE $tbl");
- }
- }
- else {
- # HACK, sorry
- dbsource( 'maintenance/parserTests.sql', $db );
- }
- $setupDB = true;
- }
- }
-
- /**
- * Restore default values and perform any necessary clean-up
- * after each test runs.
- *
- * @access private
- */
- function teardownGlobals() {
- foreach( $this->savedGlobals as $var => $val ) {
- $GLOBALS[$var] = $val;
- }
- }
-
- /**
- * Print a happy success message.
- *
- * @param string $desc The test name
- * @return bool
- * @access private
- */
- function showSuccess( $desc ) {
- print $this->termColor( '1;32' ) . 'PASSED' . $this->termReset() . "\n";
- return true;
- }
-
- /**
- * Print a failure message and provide some explanatory output
- * about what went wrong if so configured.
- *
- * @param string $desc The test name
- * @param string $result Expected HTML output
- * @param string $html Actual HTML output
- * @return bool
- * @access private
- */
- function showFailure( $desc, $result, $html ) {
- print $this->termColor( '1;31' ) . 'FAILED!' . $this->termReset() . "\n";
- if( $this->showDiffs ) {
- print $this->quickDiff( $result, $html );
- }
- return false;
- }
-
- /**
- * Run given strings through a diff and return the (colorized) output.
- * Requires writable /tmp directory and a 'diff' command in the PATH.
- *
- * @param string $input
- * @param string $output
- * @return string
- * @access private
- */
- function quickDiff( $input, $output ) {
- $prefix = "/tmp/mwParser-" . mt_rand();
-
- $infile = "$prefix-expected";
- $this->dumpToFile( $input, $infile );
-
- $outfile = "$prefix-actual";
- $this->dumpToFile( $output, $outfile );
-
- $diff = `diff -u $infile $outfile`;
- unlink( $infile );
- unlink( $outfile );
-
- return $this->colorDiff( $diff );
- }
-
- /**
- * Write the given string to a file, adding a final newline.
- *
- * @param string $data
- * @param string $filename
- * @access private
- */
- function dumpToFile( $data, $filename ) {
- $file = fopen( $filename, "wt" );
- fwrite( $file, $data . "\n" );
- fclose( $file );
- }
-
- /**
- * Return ANSI terminal escape code for changing text attribs/color,
- * or empty string if color output is disabled.
- *
- * @param string $color Semicolon-separated list of attribute/color codes
- * @return string
- * @access private
- */
- function termColor( $color ) {
- return $this->color ? "\x1b[{$color}m" : '';
- }
-
- /**
- * Return ANSI terminal escape code for restoring default text attributes,
- * or empty string if color output is disabled.
- *
- * @return string
- * @access private
- */
- function termReset() {
- return $this->color ? "\x1b[0m" : '';
- }
-
- /**
- * Colorize unified diff output if set for ANSI color output.
- * Subtractions are colored blue, additions red.
- *
- * @param string $text
- * @return string
- * @access private
- */
- function colorDiff( $text ) {
- return preg_replace(
- array( '/^(-.*)$/m', '/^(\+.*)$/m' ),
- array( $this->termColor( 34 ) . '$1' . $this->termReset(),
- $this->termColor( 31 ) . '$1' . $this->termReset() ),
- $text );
- }
+$options = array( 'quick', 'color', 'quiet', 'help', 'show-output', 'record', 'run-disabled' );
+$optionsWithArgs = array( 'regex', 'seed', 'setversion' );
+
+require_once( dirname( __FILE__ ) . '/commandLine.inc' );
+require_once( dirname( __FILE__ ) . '/parserTests.inc' );
+
+if ( isset( $options['help'] ) ) {
+ echo <<<ENDS
+MediaWiki $wgVersion parser test suite
+Usage: php parserTests.php [options...]
+
+Options:
+ --quick Suppress diff output of failed tests
+ --quiet Suppress notification of passed tests (shows only failed tests)
+ --show-output Show expected and actual output
+ --color[=yes|no] Override terminal detection and force color output on or off
+ use wgCommandLineDarkBg = true; if your term is dark
+ --regex Only run tests whose descriptions which match given regex
+ --file=<testfile> Run test cases from a custom file instead of parserTests.txt
+ --record Record tests in database
+ --compare Compare with recorded results, without updating the database.
+ --setversion When using --record, set the version string to use (useful
+ with git-svn so that you can get the exact revision)
+ --keep-uploads Re-use the same upload directory for each test, don't delete it
+ --fuzz Do a fuzz test instead of a normal test
+ --seed <n> Start the fuzz test from the specified seed
+ --help Show this help message
+ --run-disabled run disabled tests
+ --upload Upload test results to remote wiki (per \$wgParserTestRemote)
+
+ENDS;
+ exit( 0 );
+}
- /**
- * Insert a temporary test article
- * @param $name string the title, including any prefix
- * @param $text string the article text
- * @static
- * @access private
- */
- function addArticle($name, $text) {
- # TODO: check if article exists and die gracefully
- # if we are trying to insert a duplicate
- $this->setupGlobals();
- $title = Title::newFromText( $name );
- $art = new Article($title);
- $art->insertNewArticle($text, '', false, false );
- $this->teardownGlobals();
+# Cases of weird db corruption were encountered when running tests on earlyish
+# versions of SQLite
+if ( $wgDBtype == 'sqlite' ) {
+ $db = wfGetDB( DB_MASTER );
+ $version = $db->getServerVersion();
+ if ( version_compare( $version, '3.6' ) < 0 ) {
+ die( "Parser tests require SQLite version 3.6 or later, you have $version\n" );
}
}
-$wgTitle = Title::newFromText( 'Parser test script' );
-$tester =& new ParserTest();
-
-# Note: the command line setup changes the current working directory
-# to the parent, which is why we have to put the subdir here:
-$ok = $tester->runTestsFromFile( 'maintenance/parserTests.txt' );
+# There is a convention that the parser should never
+# refer to $wgTitle directly, but instead use the title
+# passed to it.
+$wgTitle = Title::newFromText( 'Parser test script do not use' );
+$tester = new ParserTest();
+
+if ( isset( $options['file'] ) ) {
+ $files = array( $options['file'] );
+} else {
+ // Default parser tests and any set from extensions or local config
+ $files = $wgParserTestFiles;
+}
-exit ($ok ? 0 : -1);
+# Print out software version to assist with locating regressions
+$version = SpecialVersion::getVersion();
+echo( "This is MediaWiki version {$version}.\n\n" );
-?>
+if ( isset( $options['fuzz'] ) ) {
+ $tester->fuzzTest( $files );
+} else {
+ $ok = $tester->runTestsFromFiles( $files );
+ exit ( $ok ? 0 : 1 );
+}