fix http panic error

server/app_test.go

@@ -34,6 +34,7 @@ func startTestApp() {
 		os.RemoveAll(cfg.DataDir)
 
 		cfg.Addr = "127.0.0.1:16380"
+		cfg.HttpAddr = "127.0.0.1:21181"
 
 		os.RemoveAll("/tmp/testdb")
 

server/client_http.go

@@ -45,13 +45,14 @@ func newClientHTTP(app *App, w http.ResponseWriter, r *http.Request) {
 
 	var err error
 	c := new(httpClient)
+	c.client = newClient(app)
 
 	err = c.makeRequest(app, r, w)
 	if err != nil {
+		c.client.close()
 		w.Write([]byte(err.Error()))
 		return
 	}
-	c.client = newClient(app)
 	c.perform()
 	c.client.close()
 }

server/client_http_test.go

@@ -0,0 +1,40 @@
+package server
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"testing"
+)
+
+func TestHttp(t *testing.T) {
+	startTestApp()
+
+	r, err := http.Get(fmt.Sprintf("http://%s/SET/http_hello/world", testApp.cfg.HttpAddr))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ioutil.ReadAll(r.Body)
+	r.Body.Close()
+
+	r, err = http.Get(fmt.Sprintf("http://%s/GET/http_hello?type=json", testApp.cfg.HttpAddr))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	b, _ := ioutil.ReadAll(r.Body)
+	r.Body.Close()
+
+	var v struct {
+		Data string `json:"GET"`
+	}
+
+	if err = json.Unmarshal(b, &v); err != nil {
+		t.Fatal(err)
+	} else if v.Data != "world" {
+		t.Fatal("not equal")
+	}
+
+}