beaconchain rpc test

internal/beaconchain/libs/beaconchain_test.go

@@ -1,6 +1,13 @@
 package beaconchain
 
-import "testing"
+import (
+	"reflect"
+	"strconv"
+	"testing"
+
+	proto "github.com/harmony-one/harmony/api/beaconchain"
+	beaconchain "github.com/harmony-one/harmony/internal/beaconchain/rpc"
+)
 
 func TestNewNode(t *testing.T) {
 	var ip, port string
@@ -21,3 +28,20 @@ func TestNewNode(t *testing.T) {
 		t.Error("beacon chain number of shards not initialized to given number of desired shards")
 	}
 }
+
+func TestFetchLeaders(t *testing.T) {
+	var ip string
+	ip = "127.0.0.1"
+	beaconport := "8080"
+	numshards := 1
+	bc := New(numshards, ip, beaconport)
+	bc.SupportRPC()
+	port, _ := strconv.Atoi(beaconport)
+	bcClient := beaconchain.NewClient("127.0.0.1", strconv.Itoa(port+BeaconchainServicePortDiff))
+	response := bcClient.GetLeaders()
+	expresponse := &proto.FetchLeadersResponse{}
+	if !reflect.DeepEqual(response, expresponse) {
+		t.Error("was expexting a empty leaders array")
+	}
+
+}