public function testhandleCharsetTranslation() { //unset and reconnect Db to resolve mysqli fetch exeception global $db; unset($db->database); $db->checkConnection(); $inboundEmail = new InboundEmail(); //test with default $result = $inboundEmail->handleCharsetTranslation('sample text', 'default'); $this->assertEquals('sample text', $result); //test with ISO-8859-8 $result = $inboundEmail->handleCharsetTranslation('sample text', 'ISO-8859-8'); $this->assertEquals('sample text', $result); }