quorum/consensus/istanbul/core/roundchange_test.go

94 lines
2.9 KiB
Go

// Copyright 2017 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package core
import (
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus/istanbul"
"github.com/ethereum/go-ethereum/consensus/istanbul/validator"
)
func TestRoundChangeSet(t *testing.T) {
vset := validator.NewSet(generateValidators(4), istanbul.RoundRobin)
rc := newRoundChangeSet(vset)
view := &istanbul.View{
Sequence: big.NewInt(1),
Round: big.NewInt(1),
}
r := &roundChange{
Round: view.Round,
Sequence: view.Sequence,
Digest: common.Hash{},
}
m, _ := Encode(r)
// Test Add()
// Add message from all validators
for i, v := range vset.List() {
msg := &message{
Code: msgRoundChange,
Msg: m,
Address: v.Address(),
}
rc.Add(view.Round, msg)
if rc.roundChanges[view.Round.Uint64()].Size() != i+1 {
t.Errorf("the size of round change messages mismatch: have %v, want %v", rc.roundChanges[view.Round.Uint64()].Size(), i+1)
}
}
// Add message again from all validators, but the size should be the same
for _, v := range vset.List() {
msg := &message{
Code: msgRoundChange,
Msg: m,
Address: v.Address(),
}
rc.Add(view.Round, msg)
if rc.roundChanges[view.Round.Uint64()].Size() != vset.Size() {
t.Errorf("the size of round change messages mismatch: have %v, want %v", rc.roundChanges[view.Round.Uint64()].Size(), vset.Size())
}
}
// Test MaxRound()
for i := 0; i < 10; i++ {
maxRound := rc.MaxRound(i)
if i <= vset.Size() {
if maxRound == nil || maxRound.Cmp(view.Round) != 0 {
t.Errorf("max round mismatch: have %v, want %v", maxRound, view.Round)
}
} else if maxRound != nil {
t.Errorf("max round mismatch: have %v, want nil", maxRound)
}
}
// Test Clear()
for i := int64(0); i < 2; i++ {
rc.Clear(big.NewInt(i))
if rc.roundChanges[view.Round.Uint64()].Size() != vset.Size() {
t.Errorf("the size of round change messages mismatch: have %v, want %v", rc.roundChanges[view.Round.Uint64()].Size(), vset.Size())
}
}
rc.Clear(big.NewInt(2))
if rc.roundChanges[view.Round.Uint64()] != nil {
t.Errorf("the change messages mismatch: have %v, want nil", rc.roundChanges[view.Round.Uint64()])
}
}