add test example

test/data.json

@@ -0,0 +1,6 @@
+{
+	"jsonrpc":"2.0",
+	"id":"",
+	"method":"hello_world",
+	"params":["my_world", 5]
+}

test/main.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+
+	. "github.com/tendermint/go-common"
+	rpcserver "github.com/tendermint/go-rpc/server"
+)
+
+var routes = map[string]*rpcserver.RPCFunc{
+	"hello_world": rpcserver.NewRPCFunc(HelloWorld, "name,num"),
+}
+
+func HelloWorld(name string, num int) (Result, error) {
+	return Result{fmt.Sprintf("hi %s %d", name, num)}, nil
+}
+
+type Result struct {
+	Result string
+}
+
+func main() {
+	mux := http.NewServeMux()
+	rpcserver.RegisterRPCFuncs(mux, routes)
+	_, err := rpcserver.StartHTTPServer("0.0.0.0:8008", mux)
+	if err != nil {
+		Exit(err.Error())
+	}
+
+	// Wait forever
+	TrapSignal(func() {
+	})
+
+}

test/test.sh

@@ -0,0 +1,23 @@
+#! /bin/bash
+set -e
+
+go build -o server main.go
+./server > /dev/null &
+PID=$!
+sleep 2
+
+
+R1=`curl -s 'http://localhost:8008/hello_world?name="my_world"&num=5'`
+
+
+R2=`curl -s --data @data.json http://localhost:8008`
+
+kill -9 $PID
+
+if [[ "$R1" != "$R2" ]]; then
+	echo "responses are not identical:"
+	echo "R1: $R1"
+	echo "R2: $R2"
+	exit 1
+fi
+echo "Success"