// 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"
"github.com/coreos/etcd/raft/raftpb"
)
func TestMessage(t *testing.T) {
// Lower readBytesLimit to make test pass in restricted resources environment
originalLimit := readBytesLimit
readBytesLimit = 1000
defer func() {
readBytesLimit = originalLimit
}()
tests := []struct {
msg raftpb.Message
encodeErr error
decodeErr error
}{
{
raftpb.Message{
Type: raftpb.MsgApp,
From: 1,
To: 2,
Term: 1,
LogTerm: 1,
Index: 3,
Entries: []raftpb.Entry{{Term: 1, Index: 4}},
},
nil,
nil,
},
{
raftpb.Message{
Type: raftpb.MsgProp,
From: 1,
To: 2,
Entries: []raftpb.Entry{
{Data: []byte("some data")},
{Data: []byte("some data")},
{Data: []byte("some data")},
},
},
nil,
nil,
},
{
raftpb.Message{
Type: raftpb.MsgProp,
From: 1,
To: 2,
Entries: []raftpb.Entry{
{Data: bytes.Repeat([]byte("a"), int(readBytesLimit+10))},
},
},
nil,
ErrExceedSizeLimit,
},
}
for i, tt := range tests {
b := &bytes.Buffer{}
enc := &messageEncoder{w: b}
if err := enc.encode(&tt.msg); err != tt.encodeErr {
t.Errorf("#%d: encode message error expected %v, got %v", i, tt.encodeErr, err)
continue
}
dec := &messageDecoder{r: b}
m, err := dec.decode()
if err != tt.decodeErr {
t.Errorf("#%d: decode message error expected %v, got %v", i, tt.decodeErr, err)
continue
}
if err == nil {
if !reflect.DeepEqual(m, tt.msg) {
t.Errorf("#%d: message = %+v, want %+v", i, m, tt.msg)
}
}
}
}