Add ability to get effective response URI

src/Zttp.php

@@ -162,9 +162,13 @@ function delete($url, $params = [])
     function send($method, $url, $options)
     {
         try {
-            return new ZttpResponse($this->buildClient()->request($method, $url, $this->mergeOptions([
+            $response = $this->buildClient()->request($method, $url, $this->mergeOptions([
                 'query' => $this->parseQueryParams($url),
-            ], $options)));
+                'on_stats' => function (\GuzzleHttp\TransferStats $stats) use (&$transferStats) {
+                    $transferStats = $stats;
+                }
+            ], $options));
+            return new ZttpResponse($response, $transferStats);
         } catch (\GuzzleHttp\Exception\ConnectException $e) {
             throw new ConnectionException($e->getMessage(), 0, $e);
         }
@@ -247,9 +251,10 @@ class ZttpResponse
         __call as macroCall;
     }
 
-    function __construct($response)
+    function __construct($response, $transferStats)
     {
         $this->response = $response;
+        $this->transferStats = $transferStats;
     }
 
     function body()
@@ -279,6 +284,11 @@ function status()
         return $this->response->getStatusCode();
     }
 
+    function effectiveURI()
+    {
+        return $this->transferStats->getEffectiveUri();
+    }
+
     function isSuccess()
     {
         return $this->status() >= 200 && $this->status() < 300;

tests/ZttpTest.php

@@ -487,6 +487,14 @@ function can_use_digest_auth()
         $this->assertTrue($response->isOk());
     }
 
+    /** @test */
+    function can_retrieve_effective_uri()
+    {
+        $response = Zttp::get($this->url('/redirect'));
+
+        $this->assertEquals($this->url('/redirected'), $response->effectiveURI());
+    }
+
     /**
      * @test
      * @expectedException \Zttp\ConnectionException