| // 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) |
| } |
| } |
| } |
| } |