includes/specials/SpecialJavaScriptTest.php

   1 <?php
   2 /**
   3  * Implements Special:JavaScriptTest
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 /**
  25  * @ingroup SpecialPage
  26  */
  27 class SpecialJavaScriptTest extends SpecialPage {
  28
  29         /**
  30          * @var $frameworks Array: Mapping of framework ids and their initilizer methods
  31          * in this class. If a framework is requested but not in this array,
  32          * the 'unknownframework' error is served.
  33          */
  34         static $frameworks = array(
  35                 'qunit' => 'initQUnitTesting',
  36         );
  37
  38         public function __construct() {
  39                 parent::__construct( 'JavaScriptTest' );
  40         }
  41
  42         public function execute( $par ) {
  43                 $out = $this->getOutput();
  44
  45                 $this->setHeaders();
  46                 $out->disallowUserJs();
  47
  48                 $out->addModules( 'mediawiki.special.javaScriptTest' );
  49
  50                 // Determine framework
  51                 $pars = explode( '/', $par );
  52                 $framework = strtolower( $pars[0] );
  53
  54                 // No framework specified
  55                 if ( $par == '' ) {
  56                         $out->setPageTitle( $this->msg( 'javascripttest' ) );
  57                         $summary = $this->wrapSummaryHtml(
  58                                 $this->msg( 'javascripttest-pagetext-noframework' )->escaped() . $this->getFrameworkListHtml(),
  59                                 'noframework'
  60                         );
  61                         $out->addHtml( $summary );
  62
  63                 // Matched! Display proper title and initialize the framework
  64                 } elseif ( isset( self::$frameworks[$framework] ) ) {
  65                         $out->setPageTitle( $this->msg( 'javascripttest-title', $this->msg( "javascripttest-$framework-name" )->plain() ) );
  66                         $out->setSubtitle( $this->msg( 'javascripttest-backlink' )->rawParams( Linker::linkKnown( $this->getTitle() ) ) );
  67                         $this->{self::$frameworks[$framework]}();
  68
  69                 // Framework not found, display error
  70                 } else {
  71                         $out->setPageTitle( $this->msg( 'javascripttest' ) );
  72                         $summary = $this->wrapSummaryHtml( '<p class="error">'
  73                                 . $this->msg( 'javascripttest-pagetext-unknownframework', $par )->escaped()
  74                                 . '</p>'
  75                                 . $this->getFrameworkListHtml(),
  76                                 'unknownframework'
  77                         );
  78                         $out->addHtml( $summary );
  79                 }
  80         }
  81
  82         /**
  83          * Get a list of frameworks (including introduction paragraph and links to the framework run pages)
  84          * @return String: HTML
  85          */
  86         private function getFrameworkListHtml() {
  87                 $list = '<ul>';
  88                 foreach( self::$frameworks as $framework => $initFn ) {
  89                         $list .= Html::rawElement(
  90                                 'li',
  91                                 array(),
  92                                 Linker::link( $this->getTitle( $framework ), $this->msg( "javascripttest-$framework-name" )->escaped() )
  93                         );
  94                 }
  95                 $list .= '</ul>';
  96                 $msg = $this->msg( 'javascripttest-pagetext-frameworks' )->rawParams( $list )->parseAsBlock();
  97
  98                 return $msg;
  99         }
 100
 101         /**
 102          * Function to wrap the summary.
 103          * It must be given a valid state as a second parameter or an exception will
 104          * be thrown.
 105          * @param $html String: The raw HTML.
 106          * @param $state String: State, one of 'noframework', 'unknownframework' or 'frameworkfound'
 107          * @return string
 108          */
 109         private function wrapSummaryHtml( $html, $state ) {
 110                 $validStates = array( 'noframework', 'unknownframework', 'frameworkfound' );
 111                 if( !in_array( $state, $validStates ) ) {
 112                         throw new MWException( __METHOD__
 113                                 . ' given an invalid state. Must be one of "'
 114                                 . join( '", "', $validStates) . '".'
 115                         );
 116                 }
 117                 return "<div id=\"mw-javascripttest-summary\" class=\"mw-javascripttest-$state\">$html</div>";
 118         }
 119
 120         /**
 121          * Initialize the page for QUnit.
 122          */
 123         private function initQUnitTesting() {
 124                 global $wgJavaScriptTestConfig;
 125
 126                 $out = $this->getOutput();
 127
 128                 $out->addModules( 'mediawiki.tests.qunit.testrunner' );
 129                 $qunitTestModules = $out->getResourceLoader()->getTestModuleNames( 'qunit' );
 130                 $out->addModules( $qunitTestModules );
 131
 132                 $summary = $this->msg( 'javascripttest-qunit-intro' )
 133                         ->params( $wgJavaScriptTestConfig['qunit']['documentation'] )
 134                         ->parseAsBlock();
 135                 $header = $this->msg( 'javascripttest-qunit-heading' )->escaped();
 136                 $userDir = $this->getLanguage()->getDir();
 137
 138                 $baseHtml = <<<HTML
 139 <div class="mw-content-ltr">
 140 <div id="qunit-header"><span dir="$userDir">$header</span></div>
 141 <div id="qunit-banner"></div>
 142 <div id="qunit-testrunner-toolbar"></div>
 143 <div id="qunit-userAgent"></div>
 144 <ol id="qunit-tests"></ol>
 145 <div id="qunit-fixture">test markup, will be hidden</div>
 146 </div>
 147 HTML;
 148                 $out->addHtml( $this->wrapSummaryHtml( $summary, 'frameworkfound' ) . $baseHtml );
 149
 150                 // This special page is disabled by default ($wgEnableJavaScriptTest), and contains
 151                 // no sensitive data. In order to allow TestSwarm to embed it into a test client window,
 152                 // we need to allow iframing of this page.
 153                 $out->allowClickjacking();
 154
 155                 // Used in ./tests/qunit/data/testrunner.js, see also documentation of
 156                 // $wgJavaScriptTestConfig in DefaultSettings.php
 157                 $out->addJsConfigVars( 'QUnitTestSwarmInjectJSPath', $wgJavaScriptTestConfig['qunit']['testswarm-injectjs'] );
 158         }
 159 }