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package cc.spray.json
import org.specs2.mutable._
class ReadmeSpec extends Specification {
"The Usage snippets" should {
"behave as expected" in {
import DefaultJsonProtocol._
val json = """{ "some": "JSON source" }"""
val jsonAst = JsonParser(json)
jsonAst mustEqual JsObject(JsField("some", JsString("JSON source")))
val json2 = PrettyPrinter(jsonAst)
json2 mustEqual
"""{
| "some": "JSON source"
|}""".stripMargin
val jsonAst2 = List(1, 2, 3).toJson
jsonAst2 mustEqual JsArray(JsNumber(1), JsNumber(2), JsNumber(3))
}
}
case class Color(name: String, red: Int, green: Int, blue: Int)
"The case class example" should {
"behave as expected" in {
object MyJsonProtocol extends DefaultJsonProtocol {
implicit val colorFormat = jsonFormat(Color, "name", "red", "green", "blue")
}
import MyJsonProtocol._
val json = Color("CadetBlue", 95, 158, 160).toJson
val color = json.convertTo[Color]
color mustEqual Color("CadetBlue", 95, 158, 160)
}
}
"The non case class example" should {
"behave as expected" in {
object MyJsonProtocol extends DefaultJsonProtocol {
implicit object ColorJsonFormat extends JsonFormat[Color] {
def write(c: Color) = {
JsArray(JsString(c.name), JsNumber(c.red), JsNumber(c.green), JsNumber(c.blue))
}
def read(value: JsValue) = value match {
case JsArray(JsString(name) :: JsNumber(red) :: JsNumber(green) :: JsNumber(blue) :: Nil) => {
new Color(name, red.toInt, green.toInt, blue.toInt)
}
case _ => throw new DeserializationException("Color expected")
}
}
}
import MyJsonProtocol._
val json = Color("CadetBlue", 95, 158, 160).toJson
val color = json.convertTo[Color]
color mustEqual Color("CadetBlue", 95, 158, 160)
}
}
}
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