apply() public method

Given any kind of object, apply serialization
public apply ( Mixed $unserializedData ) : string
$unserializedData Mixed Data to serialize
return string
 /**
  * Tests json serializer apply method
  */
 public function testApply()
 {
     $serializer = new JsonSerializer();
     $data = array('foo' => 'foodata', 'engonga' => 'someengongadata');
     $serializedData = $serializer->apply($data);
     $this->assertEquals($serializedData, '{"foo":"foodata","engonga":"someengongadata"}');
 }