istanbul-tools/tests/quorum/functional/recoverability_test.go

95 lines
3.1 KiB
Go

// Copyright 2017 AMIS Technologies
// 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 functional
import (
"sync"
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/jpmorganchase/istanbul-tools/container"
"github.com/jpmorganchase/istanbul-tools/tests"
)
var _ = Describe("QFS-03: Recoverability testing", func() {
const (
numberOfValidators = 4
)
var (
constellationNetwork container.ConstellationNetwork
blockchain container.Blockchain
)
BeforeEach(func() {
constellationNetwork = container.NewDefaultConstellationNetwork(dockerNetwork, numberOfValidators)
Expect(constellationNetwork.Start()).To(BeNil())
blockchain = container.NewDefaultQuorumBlockchain(dockerNetwork, constellationNetwork)
Expect(blockchain.Start(true)).To(BeNil())
})
AfterEach(func() {
blockchain.Stop(true)
blockchain.Finalize()
constellationNetwork.Stop()
constellationNetwork.Finalize()
})
It("QFS-03-01: Add validators in a network with < 2F+1 validators to > 2F+1", func(done Done) {
By("The consensus should work at the beginning", func() {
tests.WaitFor(blockchain.Validators(), func(geth container.Ethereum, wg *sync.WaitGroup) {
Expect(geth.WaitForBlocks(5)).To(BeNil())
wg.Done()
})
})
numOfValidatorsToBeStopped := 2
By("Stop several validators until there are less than 2F+1 validators", func() {
tests.WaitFor(blockchain.Validators()[:numOfValidatorsToBeStopped], func(geth container.Ethereum, wg *sync.WaitGroup) {
Expect(geth.StopMining()).To(BeNil())
wg.Done()
})
})
By("The consensus should not work after resuming", func() {
tests.WaitFor(blockchain.Validators(), func(geth container.Ethereum, wg *sync.WaitGroup) {
// container.ErrNoBlock should be returned if we didn't see any block in 10 seconds
Expect(geth.WaitForBlocks(1, 10*time.Second)).To(BeEquivalentTo(container.ErrNoBlock))
wg.Done()
})
})
By("Resume the stopped validators", func() {
tests.WaitFor(blockchain.Validators()[:numOfValidatorsToBeStopped], func(geth container.Ethereum, wg *sync.WaitGroup) {
Expect(geth.StartMining()).To(BeNil())
wg.Done()
})
})
By("The consensus should work after resuming", func() {
tests.WaitFor(blockchain.Validators(), func(geth container.Ethereum, wg *sync.WaitGroup) {
Expect(geth.WaitForBlocks(5)).To(BeNil())
wg.Done()
})
})
close(done)
}, 120)
})