clientv3/integration: add 'TestDialEndpoints'

clientv3/integration/dial_test.go

@@ -0,0 +1,51 @@
+// Copyright 2016 The etcd Authors
+//
+// 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 integration
+
+import (
+	"testing"
+
+	"github.com/coreos/etcd/clientv3"
+	"github.com/coreos/etcd/integration"
+	"github.com/coreos/etcd/pkg/testutil"
+	"golang.org/x/net/context"
+)
+
+func TestDialUpdateEndpoints(t *testing.T) {
+	defer testutil.AfterTest(t)
+
+	clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
+	defer clus.Terminate(t)
+
+	cli := clus.Client(0)
+
+	clus.AddMember(t)
+	clus.AddMember(t)
+	clus.WaitLeader(t)
+
+	cli.UpdateEndpoints(clus.Members[1].GRPCAddr())
+
+	// stop the original member
+	clus.Members[0].Stop(t)
+	clus.WaitLeader(t)
+
+	// rpc will only go through if the sync worked
+	kapi := clientv3.NewKV(cli)
+	if _, err := kapi.Put(context.Background(), "foo", "bar"); err != nil {
+		t.Fatal(err)
+	}
+
+	clus.Members[0].Restart(t)
+}