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// Copyright 2015 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 rafthttp
import (
"bytes"
"reflect"
"testing"
"go.etcd.io/etcd/client/pkg/v3/types"
"go.etcd.io/etcd/raft/v3/raftpb"
stats "go.etcd.io/etcd/server/v3/etcdserver/api/v2stats"
)
func TestMsgAppV2(t *testing.T) {
tests := []raftpb.Message{
linkHeartbeatMessage,
{
Type: raftpb.MsgApp,
From: 1,
To: 2,
Term: 1,
LogTerm: 1,
Index: 0,
Entries: []raftpb.Entry{
{Term: 1, Index: 1, Data: []byte("some data")},
{Term: 1, Index: 2, Data: []byte("some data")},
{Term: 1, Index: 3, Data: []byte("some data")},
},
},
// consecutive MsgApp
{
Type: raftpb.MsgApp,
From: 1,
To: 2,
Term: 1,
LogTerm: 1,
Index: 3,
Entries: []raftpb.Entry{
{Term: 1, Index: 4, Data: []byte("some data")},
},
},
linkHeartbeatMessage,
// consecutive MsgApp after linkHeartbeatMessage
{
Type: raftpb.MsgApp,
From: 1,
To: 2,
Term: 1,
LogTerm: 1,
Index: 4,
Entries: []raftpb.Entry{
{Term: 1, Index: 5, Data: []byte("some data")},
},
},
// MsgApp with higher term
{
Type: raftpb.MsgApp,
From: 1,
To: 2,
Term: 3,
LogTerm: 1,
Index: 5,
Entries: []raftpb.Entry{
{Term: 3, Index: 6, Data: []byte("some data")},
},
},
linkHeartbeatMessage,
// consecutive MsgApp
{
Type: raftpb.MsgApp,
From: 1,
To: 2,
Term: 3,
LogTerm: 2,
Index: 6,
Entries: []raftpb.Entry{
{Term: 3, Index: 7, Data: []byte("some data")},
},
},
// consecutive empty MsgApp
{
Type: raftpb.MsgApp,
From: 1,
To: 2,
Term: 3,
LogTerm: 2,
Index: 7,
Entries: nil,
},
linkHeartbeatMessage,
}
b := &bytes.Buffer{}
enc := newMsgAppV2Encoder(b, &stats.FollowerStats{})
dec := newMsgAppV2Decoder(b, types.ID(2), types.ID(1))
for i, tt := range tests {
if err := enc.encode(&tt); err != nil {
t.Errorf("#%d: unexpected encode message error: %v", i, err)
continue
}
m, err := dec.decode()
if err != nil {
t.Errorf("#%d: unexpected decode message error: %v", i, err)
continue
}
if !reflect.DeepEqual(m, tt) {
t.Errorf("#%d: message = %+v, want %+v", i, m, tt)
}
}
}
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