etcd/clientv3/integration/maintenance_test.go
Gyu-Ho Lee 9982cd0528 clientv3/integration: add 'TestMaintenanceHashKV'
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
2017-08-05 18:17:06 -07:00

87 lines
2.3 KiB
Go

// Copyright 2017 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 (
"context"
"testing"
"github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
"github.com/coreos/etcd/integration"
"github.com/coreos/etcd/pkg/testutil"
)
func TestMaintenanceHashKV(t *testing.T) {
defer testutil.AfterTest(t)
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
defer clus.Terminate(t)
for i := 0; i < 3; i++ {
if _, err := clus.RandClient().Put(context.Background(), "foo", "bar"); err != nil {
t.Fatal(err)
}
}
var hv uint32
for i := 0; i < 3; i++ {
cli := clus.Client(i)
// ensure writes are replicated
if _, err := cli.Get(context.TODO(), "foo"); err != nil {
t.Fatal(err)
}
hresp, err := cli.HashKV(context.Background(), clus.Members[i].GRPCAddr(), 0)
if err != nil {
t.Fatal(err)
}
if hv == 0 {
hv = hresp.Hash
continue
}
if hv != hresp.Hash {
t.Fatalf("#%d: hash expected %d, got %d", i, hv, hresp.Hash)
}
}
}
func TestMaintenanceMoveLeader(t *testing.T) {
defer testutil.AfterTest(t)
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
defer clus.Terminate(t)
oldLeadIdx := clus.WaitLeader(t)
targetIdx := (oldLeadIdx + 1) % 3
target := uint64(clus.Members[targetIdx].ID())
cli := clus.Client(targetIdx)
_, err := cli.MoveLeader(context.Background(), target)
if err != rpctypes.ErrNotLeader {
t.Fatalf("error expected %v, got %v", rpctypes.ErrNotLeader, err)
}
cli = clus.Client(oldLeadIdx)
_, err = cli.MoveLeader(context.Background(), target)
if err != nil {
t.Fatal(err)
}
leadIdx := clus.WaitLeader(t)
lead := uint64(clus.Members[leadIdx].ID())
if target != lead {
t.Fatalf("new leader expected %d, got %d", target, lead)
}
}