diff --git a/CHANGELOG.md b/CHANGELOG.md
index c2f4f279e8..c2543875ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,11 @@ All notable changes to this project will be documented in this file based on the
 
 ### Added
 
+* Added a transport class for mocking a HTTP 403 error codes, useful for testing response failures in inheriting clients
+[#1529](https://github.com/ruflin/Elastica/pull/1529)
+* [Backported] Added a transport class for mocking a HTTP 403 error codes, useful for testing response failures in inheriting clients
+[#1592](https://github.com/ruflin/Elastica/pull/1592)
+
 ### Improvements
 
 - [Backported] Reduced memory footprint of response by not keeping the raw JSON data when JSON after JSON has been parsed. [#1588](https://github.com/ruflin/Elastica/pull/1588)
diff --git a/lib/Elastica/Transport/Guzzle.php b/lib/Elastica/Transport/Guzzle.php
index ae22d7115e..bee603e25a 100644
--- a/lib/Elastica/Transport/Guzzle.php
+++ b/lib/Elastica/Transport/Guzzle.php
@@ -83,7 +83,8 @@ public function exec(Request $request, array $params)
             throw new GuzzleException($ex, $request, new Response($ex->getMessage()));
         }
 
-        $response = new Response((string) $res->getBody(), $res->getStatusCode());
+        $responseBody = (string) $res->getBody();
+        $response = new Response($responseBody, $res->getStatusCode());
         $response->setQueryTime($end - $start);
         if ($connection->hasConfig('bigintConversion')) {
             $response->setJsonBigintConversion($connection->getConfig('bigintConversion'));
@@ -93,6 +94,7 @@ public function exec(Request $request, array $params)
             [
                 'request_header' => $request->getMethod(),
                 'http_code' => $res->getStatusCode(),
+                'body' => $responseBody,
             ]
         );
 
diff --git a/lib/Elastica/Transport/NullTransport.php b/lib/Elastica/Transport/NullTransport.php
index d94be7ed5d..932b5b505f 100644
--- a/lib/Elastica/Transport/NullTransport.php
+++ b/lib/Elastica/Transport/NullTransport.php
@@ -12,18 +12,50 @@
  * host but still returns a valid response object
  *
  * @author James Boehmer <james.boehmer@jamesboehmer.com>
+ * @author Jan Domanski <jandom@gmail.com>
  */
 class NullTransport extends AbstractTransport
 {
     /**
-     * Null transport.
+     * Response you want to get from the transport
+     *
+     * @var Response Response
+     */
+    protected $_response = null;
+
+    /**
+     * Set response object the transport returns
+     *
+     * @param \Elastica\Response $response
+     *
+     * @return $this
+     */
+    public function getResponse()
+    {
+        return $this->_response;
+    }
+
+    /**
+     * Set response object the transport returns
+     *
+     * @param \Elastica\Response $response
+     *
+     * @return $this
+     */
+    public function setResponse(Response $response)
+    {
+        $this->_response = $response;
+        return $this->_response;
+    }
+
+    /**
+     * Generate an example response object
      *
-     * @param \Elastica\Request $request
      * @param array             $params  Hostname, port, path, ...
      *
-     * @return \Elastica\Response Response empty object
+     * @return \Elastica\Response $response
      */
-    public function exec(Request $request, array $params)
+    public function generateDefaultResponse(array $params)
     {
         $response = [
             'took' => 0,
@@ -40,7 +72,25 @@ public function exec(Request $request, array $params)
             ],
             'params' => $params,
         ];
-
         return new Response(JSON::stringify($response));
     }
+
+    /**
+     * Null transport.
+     *
+     * @param \Elastica\Request $request
+     * @param array             $params  Hostname, port, path, ...
+     *
+     * @return \Elastica\Response Response empty object
+     */
+    public function exec(Request $request, array $params)
+    {
+        $response = $this->getResponse();
+
+        if (!$response) {
+            $response = $this->generateDefaultResponse($params);
+        }
+
+        return $response;
+    }
 }
diff --git a/test/Elastica/Transport/NullTransportTest.php b/test/Elastica/Transport/NullTransportTest.php
index a62e55bd19..0a212c38ef 100644
--- a/test/Elastica/Transport/NullTransportTest.php
+++ b/test/Elastica/Transport/NullTransportTest.php
@@ -12,9 +12,20 @@
  * Elastica Null Transport Test.
  *
  * @author James Boehmer <james.boehmer@jamesboehmer.com>
+ * @author Jan Domanski <jandom@gmail.com>
  */
 class NullTransportTest extends BaseTest
 {
+
+    /** @var NullTransport NullTransport */
+    protected $transport;
+
+    public function setUp()
+    {
+        parent::setUp();
+        $this->transport = new NullTransport();
+    }
+
     /**
      * @group functional
      */
@@ -96,4 +107,29 @@ public function testOldObject()
         $data = $response->getData();
         $this->assertEquals($params, $data['params']);
     }
+
+    /**
+     * @group unit
+     */
+    public function testResponse()
+    {
+        $resposeString = '';
+        $response = new Response($resposeString);
+        $this->transport->setResponse($response);
+        $this->assertEquals($response, $this->transport->getResponse());
+    }
+
+    /**
+     * @group unit
+     */
+    public function testGenerateDefaultResponse()
+    {
+        $params = [ 'blah' => 123 ];
+        $response = $this->transport->generateDefaultResponse($params);
+        $this->assertEquals([], $response->getTransferInfo());
+
+        $responseData = $response->getData();
+        $this->assertContains('params', $responseData);
+        $this->assertEquals($params, $responseData['params']);
+    }
 }