Added serialize / unserialize to client:

- basically proxies the verification object's serialization support
- sets the client, so active methods (check, cancel, trigger, sync) work
- TODO: make main client aware of serialization so can use that instead of native functions

Author: tjlytle

src/Verify/Client.php

@@ -104,6 +104,25 @@ public function check($verification, $code, $ip = null)
         return $this->checkError($verification, $data);
     }
 
+    public function serialize(Verification $verification)
+    {
+        return serialize($verification);
+    }
+
+    public function unserialize($verification)
+    {
+        if(is_string($verification)){
+            $verification = unserialize($verification);
+        }
+
+        if(!($verification instanceof Verification)){
+            throw new \InvalidArgumentException('expected verification object or serialize verification object');
+        }
+
+        $verification->setClient($this);
+        return $verification;
+    }
+
     protected function control($verification, $cmd)
     {
         if(!($verification instanceof Verification)){

test/Verify/ClientTest.php

@@ -69,6 +69,41 @@ public function getApiMethods()
         ];
     }
 
+    public function testUnserializeAcceptsObject()
+    {
+        $mock = $this->getMockBuilder('Nexmo\Verify\Verification')
+            ->setConstructorArgs(['14845551212', 'Test Verify'])
+            ->setMethods(['setClient'])
+            ->getMock();
+
+        $mock->expects($this->once())->method('setClient')->with($this->client);
+
+        $this->client->unserialize($mock);
+    }
+
+    public function testUnserializeSetsClient()
+    {
+        $verification = new Verification('14845551212', 'Test Verify');
+        $verification->setResponse($this->getResponse('start'));
+
+        $string = serialize($verification);
+        $object = $this->client->unserialize($string);
+
+        $this->assertInstanceOf('Nexmo\Verify\Verification', $object);
+
+        $search = $this->setupClientForSearch('search');
+        $object->sync();
+        $this->assertSame($search, $object->getResponse());
+    }
+
+    public function testSerializeMatchesEntity()
+    {
+        $verification = new Verification('14845551212', 'Test Verify');
+        $verification->setResponse($this->getResponse('start'));
+
+        $string = serialize($verification);
+        $this->assertSame($string, $this->client->serialize($verification));
+    }
 
     public function testCanStartVerification()
     {
@@ -402,7 +437,7 @@ public function testCheckNotReplaceResponse()
         $this->client->check($verification, '1234');
         $this->assertSame($old, $verification->getResponse());
     }
-
+    
     protected function setupClientForCheck($response, $code, $ip = null)
     {
         $response = $this->getResponse($response);