SpecialJavaScriptTest.php

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<?php
class SpecialJavaScriptTest extends SpecialPage {

        static $frameworks = array(
                'qunit' => 'initQUnitTesting',
        );

        public function __construct() {
                parent::__construct( 'JavaScriptTest' );
        }

        public function execute( $par ) {
                $out = $this->getOutput();

                $this->setHeaders();
                $out->disallowUserJs();

                $out->addModules( 'mediawiki.special.javaScriptTest' );

                // Determine framework
                $pars = explode( '/', $par );
                $framework = strtolower( $pars[0] );

                // No framework specified
                if ( $par == '' ) {
                        $out->setPageTitle( $this->msg( 'javascripttest' ) );
                        $summary = $this->wrapSummaryHtml(
                                $this->msg( 'javascripttest-pagetext-noframework' )->escaped() . $this->getFrameworkListHtml(),
                                'noframework'
                        );
                        $out->addHtml( $summary );

                // Matched! Display proper title and initialize the framework
                } elseif ( isset( self::$frameworks[$framework] ) ) {
                        $out->setPageTitle( $this->msg( 'javascripttest-title', $this->msg( "javascripttest-$framework-name" )->plain() ) );
                        $out->setSubtitle( $this->msg( 'javascripttest-backlink' )->rawParams( Linker::linkKnown( $this->getTitle() ) ) );
                        $this->{self::$frameworks[$framework]}();

                // Framework not found, display error
                } else {
                        $out->setPageTitle( $this->msg( 'javascripttest' ) );
                        $summary = $this->wrapSummaryHtml( '<p class="error">'
                                . $this->msg( 'javascripttest-pagetext-unknownframework', $par )->escaped()
                                . '</p>'
                                . $this->getFrameworkListHtml(),
                                'unknownframework'
                        );
                        $out->addHtml( $summary );
                }
        }

        private function getFrameworkListHtml() {
                $list = '<ul>';
                foreach( self::$frameworks as $framework => $initFn ) {
                        $list .= Html::rawElement(
                                'li',
                                array(),
                                Linker::link( $this->getTitle( $framework ), $this->msg( "javascripttest-$framework-name" )->escaped() )
                        );
                }
                $list .= '</ul>';
                $msg = $this->msg( 'javascripttest-pagetext-frameworks' )->rawParams( $list )->parseAsBlock();

                return $msg;
        }

        private function wrapSummaryHtml( $html, $state ) {
                $validStates = array( 'noframework', 'unknownframework', 'frameworkfound' );
                if( !in_array( $state, $validStates ) ) {
                        throw new MWException( __METHOD__
                                . ' given an invalid state. Must be one of "'
                                . join( '", "', $validStates) . '".'
                        );
                }
                return "<div id=\"mw-javascripttest-summary\" class=\"mw-javascripttest-$state\">$html</div>";
        }

        private function initQUnitTesting() {
                global $wgJavaScriptTestConfig;

                $out = $this->getOutput();

                $out->addModules( 'mediawiki.tests.qunit.testrunner' );
                $qunitTestModules = $out->getResourceLoader()->getTestModuleNames( 'qunit' );
                $out->addModules( $qunitTestModules );

                $summary = $this->msg( 'javascripttest-qunit-intro' )
                        ->params( $wgJavaScriptTestConfig['qunit']['documentation'] )
                        ->parseAsBlock();
                $header = $this->msg( 'javascripttest-qunit-heading' )->escaped();
                $userDir = $this->getLanguage()->getDir();

                $baseHtml = <<<HTML
<div class="mw-content-ltr">
<div id="qunit-header"><span dir="$userDir">$header</span></div>
<div id="qunit-banner"></div>
<div id="qunit-testrunner-toolbar"></div>
<div id="qunit-userAgent"></div>
<ol id="qunit-tests"></ol>
<div id="qunit-fixture">test markup, will be hidden</div>
</div>
HTML;
                $out->addHtml( $this->wrapSummaryHtml( $summary, 'frameworkfound' ) . $baseHtml );

                // This special page is disabled by default ($wgEnableJavaScriptTest), and contains
                // no sensitive data. In order to allow TestSwarm to embed it into a test client window,
                // we need to allow iframing of this page.
                $out->allowClickjacking();

                // Used in ./tests/qunit/data/testrunner.js, see also documentation of
                // $wgJavaScriptTestConfig in DefaultSettings.php
                $out->addJsConfigVars( 'QUnitTestSwarmInjectJSPath', $wgJavaScriptTestConfig['qunit']['testswarm-injectjs'] );
        }

        protected function getGroupName() {
                return 'other';
        }
}