Merge pull request #895 from jeskew/fix/provide-helpful-error-message…

…-on-serialization

Throw an exception when attempting to serialize an AwsClient

src/AwsClient.php

@@ -273,6 +273,12 @@ public function getWaiter($name, array $args = [])
         return new Waiter($this, $name, $args, $config);
     }
 
+    public function __sleep()
+    {
+        throw new \RuntimeException('Instances of ' . static::class
+            . ' cannot be serialized');
+    }
+
     /**
      * Get the signature_provider function of the client.
      *

tests/AwsClientTest.php

@@ -322,4 +322,14 @@ private function createClient(array $service = [], array $config = [])
             'version'      => 'latest'
         ]);
     }
+
+    /**
+     * @expectedException \RuntimeException
+     * @expectedExceptionMessage Instances of Aws\AwsClient cannot be serialized
+     */
+    public function testDoesNotPermitSerialization()
+    {
+        $client = $this->createClient();
+        \serialize($client);
+    }
 }