feature(manager): skeleton of status API

manager/server_test.go

@@ -0,0 +1,37 @@
+package manager
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"math/rand"
+	"net/http"
+	"testing"
+	"time"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestHTTPServer(t *testing.T) {
+	Convey("HTTP server should work", t, func() {
+		s := makeHTTPServer(false)
+		So(s, ShouldNotBeNil)
+		port := rand.Intn(10000) + 20000
+		go func() {
+			s.Run(fmt.Sprintf("127.0.0.1:%d", port))
+		}()
+		time.Sleep(50 * time.Microsecond)
+		resp, err := http.Get(fmt.Sprintf("http://127.0.0.1:%d/ping", port))
+		So(err, ShouldBeNil)
+		So(resp.StatusCode, ShouldEqual, http.StatusOK)
+		So(resp.Header.Get("Content-Type"), ShouldEqual, "application/json; charset=utf-8")
+		defer resp.Body.Close()
+		body, err := ioutil.ReadAll(resp.Body)
+		So(err, ShouldBeNil)
+		var p map[string]string
+		err = json.Unmarshal(body, &p)
+		So(err, ShouldBeNil)
+		So(p["msg"], ShouldEqual, "pong")
+	})
+
+}