Added Serialization to main client.

Author: tjlytle

src/Client.php

@@ -16,6 +16,8 @@
 use Nexmo\Client\Factory\MapFactory;
 use Nexmo\Client\Response\Response;
 use Nexmo\Client\Signature;
+use Nexmo\Entity\EntityInterface;
+use Nexmo\Verify\Verification;
 use Psr\Http\Message\RequestInterface;
 use Zend\Diactoros\Uri;
 
@@ -233,6 +235,28 @@ public function send(\Psr\Http\Message\RequestInterface $request)
         return $response;
     }
 
+    public function serialize(EntityInterface $entity)
+    {
+        if($entity instanceof Verification){
+            return $this->verify()->serialize($entity);
+        }
+
+        throw new \RuntimeException('unknown class `' . get_class($entity) . '``');
+    }
+
+    public function unserialize($entity)
+    {
+        if(is_string($entity)){
+            $entity = unserialize($entity);
+        }
+
+        if($entity instanceof Verification){
+            return $this->verify()->unserialize($entity);
+        }
+
+        throw new \RuntimeException('unknown class `' . get_class($entity) . '``');
+    }
+
     public function __call($name, $args)
     {
         if(!$this->factory->hasApi($name)){

test/ClientTest.php

@@ -15,6 +15,7 @@
 use Nexmo\Client\Credentials\Basic;
 use Nexmo\Client\Credentials\OAuth;
 use Nexmo\Client\Signature;
+use Nexmo\Verify\Verification;
 use Zend\Diactoros\Request;
 use Zend\Diactoros\Response;
 
@@ -269,6 +270,25 @@ public function testUserAgentString()
         $this->assertEquals($expected, $agent);
     }
 
+    public function testSerializationProxiesVerify()
+    {
+        $verify = $this->prophesize('Nexmo\Verify\Client');
+        $factory = $this->prophesize('Nexmo\Client\Factory\FactoryInterface');
+
+        $factory->hasApi('verify')->willReturn(true);
+        $factory->getApi('verify')->willReturn($verify->reveal());
+
+        $client = new Client($this->basic);
+        $client->setFactory($factory->reveal());
+
+        $verification = new Verification('15554441212', 'test app');
+        $verify->serialize($verification)->willReturn('string data')->shouldBeCalled();
+        $verify->unserialize($verification)->willReturn($verification)->shouldBeCalled();
+
+        $this->assertEquals('string data', $client->serialize($verification));
+        $this->assertEquals($verification, $client->unserialize(serialize($verification)));
+    }
+
     /**
      * Allow tests to check that the API client is correctly forming the HTTP request before sending it to the HTTP
      * client.