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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 raft
import (
"math"
"reflect"
"strings"
"testing"
pb "go.etcd.io/etcd/raft/v3/raftpb"
)
var testFormatter EntryFormatter = func(data []byte) string {
return strings.ToUpper(string(data))
}
func TestDescribeEntry(t *testing.T) {
entry := pb.Entry{
Term: 1,
Index: 2,
Type: pb.EntryNormal,
Data: []byte("hello\x00world"),
}
defaultFormatted := DescribeEntry(entry, nil)
if defaultFormatted != "1/2 EntryNormal \"hello\\x00world\"" {
t.Errorf("unexpected default output: %s", defaultFormatted)
}
customFormatted := DescribeEntry(entry, testFormatter)
if customFormatted != "1/2 EntryNormal HELLO\x00WORLD" {
t.Errorf("unexpected custom output: %s", customFormatted)
}
}
func TestLimitSize(t *testing.T) {
ents := []pb.Entry{{Index: 4, Term: 4}, {Index: 5, Term: 5}, {Index: 6, Term: 6}}
tests := []struct {
maxsize uint64
wentries []pb.Entry
}{
{math.MaxUint64, []pb.Entry{{Index: 4, Term: 4}, {Index: 5, Term: 5}, {Index: 6, Term: 6}}},
// even if maxsize is zero, the first entry should be returned
{0, []pb.Entry{{Index: 4, Term: 4}}},
// limit to 2
{uint64(ents[0].Size() + ents[1].Size()), []pb.Entry{{Index: 4, Term: 4}, {Index: 5, Term: 5}}},
// limit to 2
{uint64(ents[0].Size() + ents[1].Size() + ents[2].Size()/2), []pb.Entry{{Index: 4, Term: 4}, {Index: 5, Term: 5}}},
{uint64(ents[0].Size() + ents[1].Size() + ents[2].Size() - 1), []pb.Entry{{Index: 4, Term: 4}, {Index: 5, Term: 5}}},
// all
{uint64(ents[0].Size() + ents[1].Size() + ents[2].Size()), []pb.Entry{{Index: 4, Term: 4}, {Index: 5, Term: 5}, {Index: 6, Term: 6}}},
}
for i, tt := range tests {
if !reflect.DeepEqual(limitSize(ents, tt.maxsize), tt.wentries) {
t.Errorf("#%d: entries = %v, want %v", i, limitSize(ents, tt.maxsize), tt.wentries)
}
}
}
func TestIsLocalMsg(t *testing.T) {
tests := []struct {
msgt pb.MessageType
isLocal bool
}{
{pb.MsgHup, true},
{pb.MsgBeat, true},
{pb.MsgUnreachable, true},
{pb.MsgSnapStatus, true},
{pb.MsgCheckQuorum, true},
{pb.MsgTransferLeader, false},
{pb.MsgProp, false},
{pb.MsgApp, false},
{pb.MsgAppResp, false},
{pb.MsgVote, false},
{pb.MsgVoteResp, false},
{pb.MsgSnap, false},
{pb.MsgHeartbeat, false},
{pb.MsgHeartbeatResp, false},
{pb.MsgTimeoutNow, false},
{pb.MsgReadIndex, false},
{pb.MsgReadIndexResp, false},
{pb.MsgPreVote, false},
{pb.MsgPreVoteResp, false},
}
for i, tt := range tests {
got := IsLocalMsg(tt.msgt)
if got != tt.isLocal {
t.Errorf("#%d: got %v, want %v", i, got, tt.isLocal)
}
}
}
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