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() .
  59                                         $this->getFrameworkListHtml(),
  60                                 'noframework'
  61                         );
  62                         $out->addHtml( $summary );
  63                 } elseif ( isset( self::$frameworks[$framework] ) ) {
  64                         // Matched! Display proper title and initialize the framework
  65                         $out->setPageTitle( $this->msg(
  66                                 'javascripttest-title',
  67                                 $this->msg( "javascripttest-$framework-name" )->plain()
  68                         ) );
  69                         $out->setSubtitle( $this->msg( 'javascripttest-backlink' )
  70                                 ->rawParams( Linker::linkKnown( $this->getTitle() ) ) );
  71                         $this->{self::$frameworks[$framework]}();
  72                 } else {
  73                         // Framework not found, display error
  74                         $out->setPageTitle( $this->msg( 'javascripttest' ) );
  75                         $summary = $this->wrapSummaryHtml(
  76                                 '<p class="error">' .
  77                                         $this->msg( 'javascripttest-pagetext-unknownframework', $par )->escaped() .
  78                                         '</p>' .
  79                                         $this->getFrameworkListHtml(),
  80                                 'unknownframework'
  81                         );
  82                         $out->addHtml( $summary );
  83                 }
  84         }
  85
  86         /**
  87          * Get a list of frameworks (including introduction paragraph and links
  88          * to the framework run pages)
  89          *
  90          * @return string HTML
  91          */
  92         private function getFrameworkListHtml() {
  93                 $list = '<ul>';
  94                 foreach ( self::$frameworks as $framework => $initFn ) {
  95                         $list .= Html::rawElement(
  96                                 'li',
  97                                 array(),
  98                                 Linker::link(
  99                                         $this->getTitle( $framework ),
 100                                         $this->msg( "javascripttest-$framework-name" )->escaped()
 101                                 )
 102                         );
 103                 }
 104                 $list .= '</ul>';
 105
 106                 return $this->msg( 'javascripttest-pagetext-frameworks' )->rawParams( $list )
 107                         ->parseAsBlock();
 108         }
 109
 110         /**
 111          * Function to wrap the summary.
 112          * It must be given a valid state as a second parameter or an exception will
 113          * be thrown.
 114          * @param string $html The raw HTML.
 115          * @param string $state State, one of 'noframework', 'unknownframework' or 'frameworkfound'
 116          * @throws MWException
 117          * @return string
 118          */
 119         private function wrapSummaryHtml( $html, $state ) {
 120                 $validStates = array( 'noframework', 'unknownframework', 'frameworkfound' );
 121
 122                 if ( !in_array( $state, $validStates ) ) {
 123                         throw new MWException( __METHOD__
 124                                 . ' given an invalid state. Must be one of "'
 125                                 . join( '", "', $validStates ) . '".'
 126                         );
 127                 }
 128
 129                 return "<div id=\"mw-javascripttest-summary\" class=\"mw-javascripttest-$state\">$html</div>";
 130         }
 131
 132         /**
 133          * Initialize the page for QUnit.
 134          */
 135         private function initQUnitTesting() {
 136                 global $wgJavaScriptTestConfig;
 137
 138                 $out = $this->getOutput();
 139
 140                 $out->addModules( 'mediawiki.tests.qunit.testrunner' );
 141                 $qunitTestModules = $out->getResourceLoader()->getTestModuleNames( 'qunit' );
 142                 $out->addModules( $qunitTestModules );
 143
 144                 $summary = $this->msg( 'javascripttest-qunit-intro' )
 145                         ->params( $wgJavaScriptTestConfig['qunit']['documentation'] )
 146                         ->parseAsBlock();
 147                 $header = $this->msg( 'javascripttest-qunit-heading' )->escaped();
 148                 $userDir = $this->getLanguage()->getDir();
 149
 150                 $baseHtml = <<<HTML
 151 <div class="mw-content-ltr">
 152 <div id="qunit-header"><span dir="$userDir">$header</span></div>
 153 <div id="qunit-banner"></div>
 154 <div id="qunit-testrunner-toolbar"></div>
 155 <div id="qunit-userAgent"></div>
 156 <ol id="qunit-tests"></ol>
 157 <div id="qunit-fixture">test markup, will be hidden</div>
 158 </div>
 159 HTML;
 160                 $out->addHtml( $this->wrapSummaryHtml( $summary, 'frameworkfound' ) . $baseHtml );
 161
 162                 // This special page is disabled by default ($wgEnableJavaScriptTest), and contains
 163                 // no sensitive data. In order to allow TestSwarm to embed it into a test client window,
 164                 // we need to allow iframing of this page.
 165                 $out->allowClickjacking();
 166
 167                 // Used in ./tests/qunit/data/testrunner.js, see also documentation of
 168                 // $wgJavaScriptTestConfig in DefaultSettings.php
 169                 $out->addJsConfigVars(
 170                         'QUnitTestSwarmInjectJSPath',
 171                         $wgJavaScriptTestConfig['qunit']['testswarm-injectjs']
 172                 );
 173         }
 174
 175         protected function getGroupName() {
 176                 return 'other';
 177         }
 178 }