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package cc.spray.json
import org.specs2.mutable._
import cc.spray.json.DefaultJsonProtocol._
/**
* User: dirk
* Date: 31-08-11
* Time: 10:01
*/
class LiftedFormatsSpec extends Specification {
case class Container[A](obj: Option[A])
implicit def containerWriter[T](implicit writer: JsonWriter[T]) = new JsonWriter[Container[T]] {
import LiftedFormats.liftJsonWriter
def write(obj: Container[T]): JsValue = JsObject(JsField("content", obj.obj.toJson))
}
implicit def containerReader[T](implicit reader: JsonReader[T]) = new JsonReader[Container[T]] {
import LiftedFormats.liftJsonReader
def read(value: JsValue): Container[T] = {
value match {
case JsObject(JsField("content", obj: JsValue) :: Nil) => Container(Some(reader.read(obj)))
case _ => throw new DeserializationException("Unexpected format: " + value.toString)
}
}
}
val obj = Container(Some(Container(Some(List(1, 2, 3)))))
"The liftJsonWriter" should {
"convert a Container[Container[List[Int]]] to JsValue and back" in {
val r = obj.toJson
r.fromJson[Container[Container[List[Int]]]]
ok
}
}
}
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