Backport fixes from master branch

Author: robocoder

lib/WebDriver/AbstractWebDriver.php

@@ -157,7 +157,12 @@ protected function curl($requestMethod, $command, $parameters = null, $extraOpti
         }
 
         $value   = (is_array($result) && array_key_exists('value', $result)) ? $result['value'] : null;
-        $message = (is_array($value) && array_key_exists('message', $value)) ? $value['message'] : null;
+        $message = (is_array($result) && array_key_exists('message', $result))
+            ? $result['message']
+            : ((is_array($value) && array_key_exists('message', $value)) ? $value['message'] : null);
+        $error   = (is_array($result) && array_key_exists('error', $result))
+            ? $result['error']
+            : ((is_array($value) && array_key_exists('error', $value)) ? $value['error'] : null);
 
         // if not success, throw exception
         if (isset($result['status']) && (int) $result['status'] !== 0) {
@@ -167,16 +172,9 @@ protected function curl($requestMethod, $command, $parameters = null, $extraOpti
             );
         }
 
-        if (isset($value['error'])) {
+        if (isset($error)) {
             throw WebDriverException::factory(
-                $value['error'],
-                $message
-            );
-        }
-
-        if (isset($value['ready']) && $value['ready'] !== true) {
-            throw WebDriverException::factory(
-                WebDriverException::CURL_EXEC,
+                $error,
                 $message
             );
         }

lib/WebDriver/Service/CurlService.php

@@ -23,7 +23,7 @@
 
 namespace WebDriver\Service;
 
-use WebDriver\Exception as WebDriverException;
+use WebDriver\Exception\CurlExec as CurlExecException;
 
 /**
  * WebDriver\Service\CurlService class
@@ -110,19 +110,20 @@ public function execute($requestMethod, $url, $parameters = null, $extraOptions
         ) {
             curl_close($curl);
 
-            throw WebDriverException::factory(
-                WebDriverException::CURL_EXEC,
+            $e = new CurlExecException(
                 sprintf(
                     "Curl error thrown for http %s to %s%s\n\n%s",
                     $requestMethod,
                     $url,
                     $parameters && is_array($parameters) ? ' with params: ' . json_encode($parameters) : '',
                     $error
                 ),
-                $errno,
-                null,
-                $info
+                $errno
             );
+
+            $e->setCurlInfo($info);
+
+            throw $e;
         }
 
         curl_close($curl);