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<?php
/**
 * MediaWiki parser test suite
 *
 * Copyright © 2004 Brion Vibber <brion@pobox.com>
 * https://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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 * @ingroup Testing
 */

// Some methods which are discouraged for normal code throw exceptions unless
// we declare this is just a test.
define( 'MW_PARSER_TEST', true );

require __DIR__ . '/../../maintenance/Maintenance.php';

use MediaWiki\MediaWikiServices;

class ParserTestsMaintenance extends Maintenance {
	function __construct() {
		parent::__construct();
		$this->addDescription( 'Run parser tests' );

		$this->addOption( 'quick', 'Suppress diff output of failed tests' );
		$this->addOption( 'quiet', 'Suppress notification of passed tests (shows only failed tests)' );
		$this->addOption( 'show-output', 'Show expected and actual output' );
		$this->addOption( 'color', '[=yes|no] Override terminal detection and force ' .
			'color output on or off. Use wgCommandLineDarkBg = true; if your term is dark',
			false, true );
		$this->addOption( 'regex', 'Only run tests whose descriptions which match given regex',
			false, true );
		$this->addOption( 'filter', 'Alias for --regex', false, true );
		$this->addOption( 'file', 'Run test cases from a custom file instead of parserTests.txt',
			false, true, false, true );
		$this->addOption( 'record', 'Record tests in database' );
		$this->addOption( 'compare', 'Compare with recorded results, without updating the database.' );
		$this->addOption( 'setversion', 'When using --record, set the version string to use (useful' .
			'with "git rev-parse HEAD" to get the exact revision)',
			false, true );
		$this->addOption( 'keep-uploads', 'Re-use the same upload directory for each ' .
			'test, don\'t delete it' );
		$this->addOption( 'file-backend', 'Use the file backend with the given name,' .
			'and upload files to it, instead of creating a mock file backend.', false, true );
		$this->addOption( 'upload-dir', 'Specify the upload directory to use. Useful in ' .
			'conjunction with --keep-uploads. Causes a real (non-mock) file backend to ' .
			'be used.', false, true );
		$this->addOption( 'run-disabled', 'run disabled tests' );
		$this->addOption( 'run-parsoid', 'run parsoid tests (normally disabled)' );
		$this->addOption( 'dwdiff', 'Use dwdiff to display diff output' );
		$this->addOption( 'mark-ws', 'Mark whitespace in diffs by replacing it with symbols' );
		$this->addOption( 'norm', 'Apply a comma-separated list of normalization functions to ' .
			'both the expected and actual output in order to resolve ' .
			'irrelevant differences. The accepted normalization functions ' .
			'are: removeTbody to remove <tbody> tags; and trimWhitespace ' .
			'to trim whitespace from the start and end of text nodes.',
			false, true );
		$this->addOption( 'use-tidy-config',
			'Use the wiki\'s Tidy configuration instead of known-good' .
			'defaults.' );
	}

	public function finalSetup() {
		parent::finalSetup();
		self::requireTestsAutoloader();
		TestSetup::applyInitialConfig();
	}

	public function execute() {
		global $wgDBtype;

		// 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" );
			}
		}

		// Print out software version to assist with locating regressions
		$version = SpecialVersion::getVersion( 'nodb' );
		echo "This is MediaWiki version {$version}.\n\n";

		// Only colorize output if stdout is a terminal.
		$color = !wfIsWindows() && Maintenance::posix_isatty( 1 );

		if ( $this->hasOption( 'color' ) ) {
			switch ( $this->getOption( 'color' ) ) {
				case 'no':
					$color = false;
					break;
				case 'yes':
				default:
					$color = true;
					break;
			}
		}

		$record = $this->hasOption( 'record' );
		$compare = $this->hasOption( 'compare' );

		$regex = $this->getOption( 'filter', $this->getOption( 'regex', false ) );
		if ( $regex !== false ) {
			$regex = "/$regex/i";

			if ( $record ) {
				echo "Warning: --record cannot be used with --regex, disabling --record\n";
				$record = false;
			}
		}

		$term = $color
			? new AnsiTermColorer()
			: new DummyTermColorer();

		$recorder = new MultiTestRecorder;

		$recorder->addRecorder( new ParserTestPrinter(
			$term,
			[
				'showDiffs' => !$this->hasOption( 'quick' ),
				'showProgress' => !$this->hasOption( 'quiet' ),
				'showFailure' => !$this->hasOption( 'quiet' )
						|| ( !$record && !$compare ), // redundant output
				'showOutput' => $this->hasOption( 'show-output' ),
				'useDwdiff' => $this->hasOption( 'dwdiff' ),
				'markWhitespace' => $this->hasOption( 'mark-ws' ),
			]
		) );

		$recorderLB = false;
		if ( $record || $compare ) {
			$lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
			$recorderLB = $lbFactory->newMainLB();
			// This connection will have the wiki's table prefix, not parsertest_
			$recorderDB = $recorderLB->getConnection( DB_MASTER );

			// Add recorder before previewer because recorder will create the
			// DB table if it doesn't exist
			if ( $record ) {
				$recorder->addRecorder( new DbTestRecorder( $recorderDB ) );
			}
			$recorder->addRecorder( new DbTestPreviewer(
				$recorderDB,
				function ( $name ) use ( $regex ) {
					// Filter reports of old tests by the filter regex
					if ( $regex === false ) {
						return true;
					} else {
						return (bool)preg_match( $regex, $name );
					}
				} ) );
		}

		// Default parser tests and any set from extensions or local config
		$files = $this->getOption( 'file', ParserTestRunner::getParserTestFiles() );

		$norm = $this->hasOption( 'norm' ) ? explode( ',', $this->getOption( 'norm' ) ) : [];

		$tester = new ParserTestRunner( $recorder, [
			'norm' => $norm,
			'regex' => $regex,
			'keep-uploads' => $this->hasOption( 'keep-uploads' ),
			'run-disabled' => $this->hasOption( 'run-disabled' ),
			'run-parsoid' => $this->hasOption( 'run-parsoid' ),
			'use-tidy-config' => $this->hasOption( 'use-tidy-config' ),
			'file-backend' => $this->getOption( 'file-backend' ),
			'upload-dir' => $this->getOption( 'upload-dir' ),
		] );

		$ok = $tester->runTestsFromFiles( $files );
		if ( $recorderLB ) {
			$recorderLB->closeAll();
		}
		if ( !$ok ) {
			exit( 1 );
		}
	}
}

$maintClass = 'ParserTestsMaintenance';
require_once RUN_MAINTENANCE_IF_MAIN;