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<?php
/**
* 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
*/
namespace MediaWiki\Specials;
use HttpError;
use MediaWiki\Config\HashConfig;
use MediaWiki\Config\MultiConfig;
use MediaWiki\Html\Html;
use MediaWiki\MainConfigNames;
use MediaWiki\Request\FauxRequest;
use MediaWiki\ResourceLoader as RL;
use MediaWiki\ResourceLoader\ResourceLoader;
use MediaWiki\SpecialPage\SpecialPage;
/**
* @ingroup SpecialPage
* @ingroup ResourceLoader
*/
class SpecialJavaScriptTest extends SpecialPage {
public function __construct() {
parent::__construct( 'JavaScriptTest' );
}
public function execute( $par ) {
$this->getOutput()->disable();
if ( $par === 'qunit/export' ) {
// Send the JavaScript payload.
$this->exportJS();
} elseif ( $par === null || $par === '' || $par === 'qunit' || $par === 'qunit/plain' ) {
// Render the page
// (Support "/qunit" and "/qunit/plain" for backwards-compatibility)
$this->renderPage();
} else {
wfHttpError( 404, 'Unknown action', "Unknown action \"$par\"." );
}
}
/**
* Used on both GUI (Special:JavaScriptTest) and the exportJS route
*/
private function getModulesForComponentOrThrow( ?string $component ): array {
$out = $this->getOutput();
$rl = $out->getResourceLoader();
$req = $this->getContext()->getRequest();
$modules = $rl->getTestSuiteModuleNames();
if ( $component !== null ) {
$module = 'test.' . $component;
if ( !in_array( 'test.' . $component, $modules ) ) {
throw new HttpError(
404,
"No test module found for the '$component' component.\n"
. "Make sure the extension is enabled via wfLoadExtension(),\n"
. "and register a test module via the QUnitTestModules attribute in extension.json.",
'Unknown test module',
);
}
$modules = [ 'test.' . $component ];
}
return $modules;
}
/**
* Send the standalone JavaScript payload.
*
* Loaded by the GUI (on Special:JavaScriptTest), and by the CLI (via grunt-karma).
*/
private function exportJS() {
$out = $this->getOutput();
$req = $this->getContext()->getRequest();
$rl = $out->getResourceLoader();
// Allow framing (disabling wgBreakFrames). Otherwise, mediawiki.page.ready
// will close this tab when running from CLI using karma-qunit.
$out->getMetadata()->setPreventClickjacking( false );
$query = [
'lang' => 'qqx',
'skin' => 'fallback',
'debug' => $req->getRawVal( 'debug' ),
'target' => 'test',
];
$embedContext = new RL\Context( $rl, new FauxRequest( $query ) );
$query['only'] = 'scripts';
$startupContext = new RL\Context( $rl, new FauxRequest( $query ) );
$component = $req->getRawVal( 'component' );
$modules = $this->getModulesForComponentOrThrow( $component );
// Disable module storage.
// The unit test for mw.loader.store will enable it (with a mock timers).
$config = new MultiConfig( [
new HashConfig( [ MainConfigNames::ResourceLoaderStorageEnabled => false ] ),
$rl->getConfig(),
] );
// The below is essentially a pure-javascript version of OutputPage::headElement().
$startupModule = $rl->getModule( 'startup' );
$startupModule->setConfig( $config );
$code = $rl->makeModuleResponse( $startupContext, [ 'startup' => $startupModule ] );
// The following has to be deferred via RLQ because the startup module is asynchronous.
$code .= ResourceLoader::makeLoaderConditionalScript(
// Embed page-specific mw.config variables.
//
// For compatibility with older tests, these will come from the user
// action "viewing Special:JavaScripTest".
//
// This is deprecated since MediaWiki 1.25 and slowly being phased out in favour of:
// 1. tests explicitly mocking the configuration they depend on.
// 2. tests explicitly skipping or not loading code that is only meant
// for real page views (e.g. not loading as dependency, or using a QUnit
// conditional).
//
// See https://phabricator.wikimedia.org/T89434.
// Keep a select few that are commonly referenced.
ResourceLoader::makeConfigSetScript( [
// used by mediawiki.util
'wgPageName' => 'Special:Badtitle/JavaScriptTest',
// used as input for mw.Title
'wgRelevantPageName' => 'Special:Badtitle/JavaScriptTest',
] )
// Embed private modules as they're not allowed to be loaded dynamically
. $rl->makeModuleResponse( $embedContext, [
'user.options' => $rl->getModule( 'user.options' ),
] )
// Load all the test modules
. Html::encodeJsCall( 'mw.loader.load', [ $modules ] )
);
$encModules = Html::encodeJsVar( $modules );
$code .= ResourceLoader::makeInlineCodeWithModule( 'mediawiki.base', <<<JAVASCRIPT
// Wait for each module individually, so that partial failures wont break the page
// completely by rejecting the promise before all/ any modules are loaded.
var promises = $encModules.map( function( module ) {
return mw.loader.using( module ).promise();
} );
Promise.allSettled( promises ).then( QUnit.start );
JAVASCRIPT
);
header( 'Content-Type: text/javascript; charset=utf-8' );
header( 'Cache-Control: private, no-cache, must-revalidate' );
echo $code;
}
private function renderPage() {
$req = $this->getContext()->getRequest();
$component = $req->getRawVal( 'component' );
// If set, validate
$this->getModulesForComponentOrThrow( $component );
$basePath = $this->getConfig()->get( MainConfigNames::ResourceBasePath );
$headHtml = implode( "\n", [
Html::linkedStyle( "$basePath/resources/lib/qunitjs/qunit.css" ),
Html::linkedStyle( "$basePath/resources/src/qunitjs/qunit-local.css" ),
] );
$scriptUrl = $this->getPageTitle( 'qunit/export' )->getFullURL( [
'debug' => (string)ResourceLoader::inDebugMode(),
'component' => $component,
] );
$script = implode( "\n", [
Html::linkedScript( "$basePath/resources/lib/qunitjs/qunit.js" ),
Html::inlineScript( 'QUnit.config.autostart = false;' ),
Html::linkedScript( $scriptUrl ),
] );
header( 'Content-Type: text/html; charset=utf-8' );
echo <<<HTML
<!DOCTYPE html>
<title>QUnit</title>
$headHtml
<div id="qunit"></div>
<div id="qunit-fixture"></div>
$script
HTML;
}
protected function getGroupName() {
return 'other';
}
}
/** @deprecated class alias since 1.41 */
class_alias( SpecialJavaScriptTest::class, 'SpecialJavaScriptTest' );