client: fix bug of GetNeighbor()

also add a unit test

Signed-off-by: Wataru Ishida <[email protected]>

client/client.go

@@ -143,6 +143,9 @@ func (cli *GoBGPClient) GetNeighbor(name string) (*config.Neighbor, error) {
 	if err != nil {
 		return nil, err
 	}
+	if len(ns) == 0 {
+		return nil, fmt.Errorf("not found neighbor %s", name)
+	}
 	return ns[0], nil
 }
 

client/client_test.go

@@ -0,0 +1,53 @@
+// Copyright (C) 2016 Nippon Telegraph and Telephone Corporation.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+// implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package client
+
+import (
+	"testing"
+
+	api "github.com/osrg/gobgp/api"
+	"github.com/osrg/gobgp/config"
+	"github.com/osrg/gobgp/server"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetNeighbor(test *testing.T) {
+	assert := assert.New(test)
+	s := server.NewBgpServer()
+	go s.Serve()
+	g := api.NewGrpcServer(s, ":50051")
+	go g.Serve()
+	cli, err := NewGoBGPClient("")
+	err = cli.StartServer(&config.Global{
+		Config: config.GlobalConfig{
+			As:       1,
+			RouterId: "1.1.1.1",
+			Port:     1790,
+		},
+	})
+	assert.Nil(err)
+	err = cli.AddNeighbor(&config.Neighbor{
+		Config: config.NeighborConfig{
+			NeighborAddress: "10.0.0.1",
+			PeerAs:          2,
+		},
+	})
+	assert.Nil(err)
+	_, err = cli.GetNeighbor("10.0.0.1")
+	assert.Nil(err)
+	_, err = cli.GetNeighbor("10.0.0.2")
+	assert.Equal(err.Error(), "not found neighbor 10.0.0.2")
+}