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Diffstat (limited to 'src/test/scala/cc/spray/json/formats/GenericFormatsSpec.scala')
-rw-r--r-- | src/test/scala/cc/spray/json/formats/GenericFormatsSpec.scala | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/test/scala/cc/spray/json/formats/GenericFormatsSpec.scala b/src/test/scala/cc/spray/json/formats/GenericFormatsSpec.scala new file mode 100644 index 0000000..adc6fcb --- /dev/null +++ b/src/test/scala/cc/spray/json/formats/GenericFormatsSpec.scala @@ -0,0 +1,32 @@ +package cc.spray.json +package formats + +import org.specs.Specification + +class GenericFormatsSpec extends Specification with GenericFormats with BasicFormats { + + case class Test2(a: Int, b: Double) + implicit val test2Format = format(Test2, "a", "b") + + "A JsonFormat created with format, for a case class with 2 elements," should { + val obj = Test2(42, 4.2) + val json = JsObject(JsField("a", 42), JsField("b", 4.2)) + "convert to a respective JsObject" in { + obj.toJson mustEqual json + } + "convert a JsObject to the respective case class instance" in { + json.fromJson[Test2] mustEqual obj + } + "throw a DeserializationException if the JsObject does not define the right members" in ( + JsObject(JsField("a", 42), JsField("x", 4.2)).fromJson[Test2] must + throwA(new DeserializationException("Object is missing required member 'b'")) + ) + "ignore additional members during deserialization" in { + JsObject(JsField("a", 42), JsField("b", 4.2), JsField("c", 'no)).fromJson[Test2] mustEqual obj + } + "throw a DeserializationException if the JsValue is not a JsObject" in ( + JsNull.fromJson[Test2] must throwA(new DeserializationException("Object expected")) + ) + } + +} |