LanguageClassesTestCase.php

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<?php
abstract class LanguageClassesTestCase extends MediaWikiTestCase {

        private static $reExtractLangFromClass = '/Language(.*)Test/';

        private static $LanguageClassCode;

        private $languageObject;

        public static function setUpBeforeClass() {
                $found = preg_match( self::$reExtractLangFromClass,
                        get_called_class(), $m );
                if ( $found ) {
                        # Normalize language code since classes uses underscores
                        $m[1] = str_replace( '_', '-', $m[1] );
                } else {
                        # Fallback to english language
                        $m[1] = 'en';
                        wfDebug(
                                __METHOD__ . " could not extract a language name "
                                        . "out of " . get_called_class() . " failling back to 'en'\n"
                        );
                }
                // TODO: validate $m[1] which should be a valid language code
                self::$LanguageClassCode = $m[1];
        }

        protected function getLang() {
                return $this->languageObject;
        }

        protected function setUp() {
                parent::setUp();
                $this->languageObject = Language::factory(
                        self::$LanguageClassCode );
        }

        protected function tearDown() {
                unset( $this->languageObject );
                parent::tearDown();
        }

}