Bolt\Twig\TwigExtension::jsonDecode PHP Method

    public function jsonDecode($string)
    {
        return $this->handlers['text']->jsonDecode($string);
    }

 public function testJsonDecode()
 {
     $app = $this->getApp();
     $handlers = $this->getTwigHandlers($app);
     $handlers['text'] = $this->getMockHandler('TextHandler', 'jsonDecode');
     $twig = new TwigExtension($app, $handlers, true);
     $twig->jsonDecode(null);
 }