def "default values in input objects are respected when variable is not provided"() {
        given:
        def spec = """type Query {
            sayHello(arg: Arg! = {}): String
        }
        input Arg {
            foo: String = "bar"
        }
        """
        DataFetcher df = { dfe ->
            Map arg = dfe.getArgument("arg")
            return arg.get("foo")
        } as DataFetcher
        def graphQL = TestUtil.graphQL(spec, ["Query": ["sayHello": df]]).build()

        when:
        def result = graphQL.execute('{sayHello}')

        then:
        result.errors.isEmpty()
        result.data == [sayHello: "bar"]

    }