wiki.techinc.nl/maintenance/parserTests.php

640 lines
17 KiB
PHP

<?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
# (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.
# 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
*/
/** */
$options = array( 'quick', 'color', 'quiet', 'help' );
$optionsWithArgs = array( 'regex' );
require_once( 'commandLine.inc' );
require_once( "$IP/languages/LanguageUtf8.php" );
/** */
class ParserTest {
/**
* boolean $color whereas output should be colorized
* @access private
*/
var $color;
/**
* boolean $lightcolor whereas output should use light colors
* @access private
*/
var $lightcolor;
/**
* Sets terminal colorization and diff/quick modes depending on OS and
* command-line options (--color and --quick).
*
* @access public
*/
function ParserTest() {
global $options;
# Only colorize output if stdout is a terminal.
$this->lightcolor = false;
$this->color = !wfIsWindows() && posix_isatty(1);
if( isset( $options['color'] ) ) {
switch( $options['color'] ) {
case 'no':
$this->color = false;
break;
case 'light':
$this->lightcolor = true;
# Fall through
case 'yes':
default:
$this->color = true;
break;
}
}
$this->showDiffs = !isset( $options['quick'] );
$this->quiet = isset( $options['quiet'] );
if (isset($options['regex'])) {
$this->regex = $options['regex'];
} else {
# Matches anything
$this->regex = '';
}
}
/**
* Remove last character if it is a newline
* @access private
*/
function chomp($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']), $n);
$data = array();
$section = null;
continue;
}
if( $section == 'end' ) {
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 (preg_match('/\\bdisabled\\b/i', $data['options'])
|| !preg_match("/{$this->regex}/i", $data['test'])) {
# disabled test
$data = array();
$section = null;
continue;
}
if( $this->runTest(
$this->chomp( $data['test'] ),
$this->chomp( $data['input'] ),
$this->chomp( $data['result'] ),
$this->chomp( $data['options'] ) ) ) {
$success++;
}
$total++;
$data = array();
$section = null;
continue;
}
if ( isset ($data[$section] ) ) {
die ( "duplicate section '$section' at line $n\n" );
}
$data[$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, $opts ) {
if( !$this->quiet ) {
$this->showTesting( $desc );
}
$this->setupGlobals($opts);
$user =& new User();
$options =& ParserOptions::newFromUser( $user );
if (preg_match('/\\bmath\\b/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('/\\bpst\\b/i', $opts)) {
$out = $parser->preSaveTransform( $input, $title, $user, $options );
} elseif (preg_match('/\\bmsg\\b/i', $opts)) {
$out = $parser->transformMsg( $input, $options );
} else {
$output =& $parser->parse( $input, $title, $options );
$out = $output->getText();
if (preg_match('/\\bill\\b/i', $opts)) {
$out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) );
} else if (preg_match('/\\bcat\\b/i', $opts)) {
$out = $this->tidy ( implode( ' ', $output->getCategoryLinks() ) );
}
$result = $this->tidy($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 = '') {
# Save the prefixed / quoted table names for later use when we make the temporaries.
$db =& wfGetDB( DB_READ );
$this->oldTableNames = array();
foreach( $this->listTables() as $table ) {
$this->oldTableNames[$table] = $db->tableName( $table );
}
if( !isset( $this->uploadDir ) ) {
$this->uploadDir = $this->setupUploadDir();
}
$settings = array(
'wgServer' => 'http://localhost',
'wgScript' => '/index.php',
'wgScriptPath' => '/',
'wgArticlePath' => '/wiki/$1',
'wgUploadPath' => '/images',
'wgUploadDirectory' => $this->uploadDir,
'wgStyleSheetPath' => '/skins',
'wgSitename' => 'MediaWiki',
'wgLanguageCode' => 'en',
'wgContLanguageCode' => 'en',
'wgUseLatin1' => false,
'wgDBprefix' => 'parsertest',
'wgLoadBalancer' => LoadBalancer::newFromParams( $GLOBALS['wgDBservers'] ),
'wgLang' => new LanguageUtf8(),
'wgContLang' => new LanguageUtf8(),
'wgNamespacesWithSubpages' => array( 0 => preg_match('/\\bsubpage\\b/i', $opts)),
'wgMaxTocLevel' => 999,
);
$this->savedGlobals = array();
foreach( $settings as $var => $val ) {
$this->savedGlobals[$var] = $GLOBALS[$var];
$GLOBALS[$var] = $val;
}
$GLOBALS['wgLoadBalancer']->loadMasterPos();
$GLOBALS['wgMessageCache']->initialise( new BagOStuff(), false, 0, $GLOBALS['wgDBname'] );
$this->setupDatabase();
}
# List of temporary tables to create, without prefix
# Some of these probably aren't necessary
function listTables() {
return array('user', 'cur', 'old', 'links',
'brokenlinks', 'imagelinks', 'categorylinks',
'linkscc', 'site_stats', 'hitcounter',
'ipblocks', 'image', 'oldimage',
'recentchanges',
'watchlist', 'math', 'searchindex',
'interwiki', 'querycache',
'objectcache'
);
}
/**
* 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.
*
* @access private
*/
function setupDatabase() {
static $setupDB = false;
global $wgDBprefix;
# Make sure we don't mess with the live DB
if (!$setupDB && $wgDBprefix === 'parsertest') {
$db =& wfGetDB( DB_MASTER );
$tables = $this->listTables();
if (!(strcmp($db->getServerVersion(), '4.1') < 0 and stristr($db->getSoftwareLink(), 'MySQL'))) {
# Database that supports CREATE TABLE ... LIKE
foreach ($tables as $tbl) {
$newTableName = $db->tableName( $tbl );
$tableName = $this->oldTableNames[$tbl];
$db->query("CREATE TEMPORARY TABLE $newTableName (LIKE $tableName INCLUDING DEFAULTS)");
}
} else {
# Hack for MySQL versions < 4.1, which don't support
# "CREATE TABLE ... LIKE". Note that
# "CREATE TEMPORARY TABLE ... SELECT * FROM ... LIMIT 0"
# would not create the indexes we need....
foreach ($tables as $tbl) {
$res = $db->query("SHOW CREATE TABLE {$this->oldTableNames[$tbl]}");
$row = $db->fetchRow($res);
$create = $row[1];
$create_tmp = preg_replace('/CREATE TABLE `(.*?)`/', 'CREATE TEMPORARY TABLE `'
. $wgDBprefix . $tbl .'`', $create);
if ($create === $create_tmp) {
# Couldn't do replacement
die("could not create temporary table $tbl");
}
$db->query($create_tmp);
}
}
# Hack: insert a few Wikipedia in-project interwiki prefixes,
# for testing inter-language links
$db->insert( 'interwiki', array(
array( 'iw_prefix' => 'Wikipedia',
'iw_url' => 'http://en.wikipedia.org/wiki/$1',
'iw_local' => 0 ),
array( 'iw_prefix' => 'MeatBall',
'iw_url' => 'http://www.usemod.com/cgi-bin/mb.pl?$1',
'iw_local' => 0 ),
array( 'iw_prefix' => 'zh',
'iw_url' => 'http://zh.wikipedia.org/wiki/$1',
'iw_local' => 1 ),
array( 'iw_prefix' => 'es',
'iw_url' => 'http://es.wikipedia.org/wiki/$1',
'iw_local' => 1 ),
array( 'iw_prefix' => 'fr',
'iw_url' => 'http://fr.wikipedia.org/wiki/$1',
'iw_local' => 1 ),
array( 'iw_prefix' => 'ru',
'iw_url' => 'http://ru.wikipedia.org/wiki/$1',
'iw_local' => 1 ),
) );
$setupDB = true;
}
}
/**
* Create a dummy uploads directory which will contain a couple
* of files in order to pass existence tests.
* @return string The directory
* @access private
*/
function setupUploadDir() {
$dir = "/tmp/mwParser-" . mt_rand() . "-images";
mkdir( $dir );
mkdir( $dir . '/3' );
mkdir( $dir . '/3/3a' );
$f = fopen( $dir . '/3/3a/Foobar.jpg', 'wb' );
fwrite( $f, 'Dummy file' );
fclose( $f );
return $dir;
}
/**
* 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;
}
if( isset( $this->uploadDir ) ) {
$this->teardownUploadDir( $this->uploadDir );
unset( $this->uploadDir );
}
}
/**
* Remove the dummy uploads directory
* @access private
*/
function teardownUploadDir( $dir ) {
unlink( "$dir/3/3a/Foobar.jpg" );
rmdir( "$dir/3/3a" );
rmdir( "$dir/3" );
@rmdir( "$dir/thumb/3/39" );
@rmdir( "$dir/thumb/3" );
@rmdir( "$dir/thumb" );
rmdir( "$dir" );
}
/**
* "Running test $desc..."
* @access private
*/
function showTesting( $desc ) {
print "Running test $desc... ";
}
/**
* Print a happy success message.
*
* @param string $desc The test name
* @return bool
* @access private
*/
function showSuccess( $desc ) {
if( !$this->quiet ) {
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 ) {
if( $this->quiet ) {
# In quiet mode we didn't show the 'Testing' message before the
# test, in case it succeeded. Show it now:
$this->showTesting( $desc );
}
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 -au $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( $color ) {
if($this->lightcolor) {
return $this->color ? "\x1b[1;{$color}m" : '';
} else {
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 );
}
/**
* Insert a temporary test article
* @param string $name the title, including any prefix
* @param string $text the article text
* @param int $line the input line number, for reporting errors
* @static
* @access private
*/
function addArticle($name, $text, $line) {
$this->setupGlobals();
$title = Title::newFromText( $name );
if ( is_null($title) ) {
die( "invalid title at line $line\n" );
}
$aid = $title->getArticleID( GAID_FOR_UPDATE );
if ($aid != 0) {
die( "duplicate article at line $line\n" );
}
$art = new Article($title);
$art->insertNewArticle($text, '', false, false );
$this->teardownGlobals();
}
/*
* Run the "tidy" command on text if the $wgUseTidy
* global is true
*
* @param string $text the text to tidy
* @return string
* @static
* @access private
*/
function tidy( $text ) {
global $wgUseTidy;
if ($wgUseTidy) {
$text = Parser::tidy($text);
}
return $text;
}
}
if( isset( $options['help'] ) ) {
echo <<<END
MediaWiki $wgVersion parser test suite
Usage: php parserTests.php [--quick] [--quiet] [--color[=(yes|no)]]
[--regex <expression>] [--help]
Options:
--quick Suppress diff output of failed tests
--quiet Suppress notification of passed tests (shows only failed tests)
--color Override terminal detection and force color output on or off
--regex Only run tests whose descriptions which match given regex
--help Show this help message
END;
exit( 0 );
}
# 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();
# Note: the command line setup changes the current working directory
# to the parent, which is why we have to put the subdir here:
$ok = $tester->runTestsFromFile( 'maintenance/parserTests.txt' );
exit ($ok ? 0 : -1);
?>