Cloudinary::option_get PHP Method

    public static function option_get($options, $option, $default = NULL)
    {
        if (isset($options[$option])) {
            return $options[$option];
        } else {
            return $default;
        }
    }

 public function testCl_upload_url()
 {
     Cloudinary::config_from_url(CLOUDINARY_URL);
     $ext = new CloudinaryExtension();
     $cloudName = Cloudinary::option_get(Cloudinary::config(), 'cloud_name');
     $this->assertEquals('https://api.cloudinary.com/v1_1/' . $cloudName . '/auto/upload', $ext->cl_upload_url());
 }