GetFileContent($sInputXmlFileName); $sExpectedXml = $this->GetFileContent($sExpectedXmlFileName); $oInputDocument = new DOMDocument(); libxml_clear_errors(); $oInputDocument->preserveWhiteSpace = false; $oInputDocument->loadXML($sInputXml); $oInputDocument->formatOutput = true; $oDesignFormat = new iTopDesignFormat($oInputDocument); $oDesignFormat->Convert($sTargetVersion); $sConvertedXml = $oInputDocument->saveXML(); $this->assertEquals($sExpectedXml, $sConvertedXml); } private function GetFileContent($sFileName) { $sCurrentPath = __DIR__; return file_get_contents($sCurrentPath.DIRECTORY_SEPARATOR.$sFileName.'.xml'); } public function MigrationMethodProvider() { return array( '1.7 to 1.6' => array('1.6', '1.7_to_1.6.input', '1.7_to_1.6.expected'), ); } }