func TestHello(t *testing.T) {
client := jsonrpc.Client{"http://localhost:12345/hello"}
args := "World"
var reply string
client.Call("HelloService.Say", args, &reply)
assert.Equal(t, reply, "Hello, World!")
}
func TestMath(t *testing.T) {
client := jsonrpc.Client{"http://localhost:12345/math"}
mathArgs := MathArgs{1, 2}
// mathArgs := map[string]int{"First":1, "Second":2}
var mathReply MathReply
client.Call("MathService.Add", mathArgs, &mathReply)
assert.Equal(t, mathReply.Result, 3)
}