You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
243 lines
5.3 KiB
243 lines
5.3 KiB
package v0
|
|
|
|
import (
|
|
"fmt"
|
|
mrand "math/rand"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/tendermint/tendermint/libs/log"
|
|
tmrand "github.com/tendermint/tendermint/libs/rand"
|
|
"github.com/tendermint/tendermint/p2p"
|
|
"github.com/tendermint/tendermint/types"
|
|
)
|
|
|
|
func init() {
|
|
peerTimeout = 2 * time.Second
|
|
}
|
|
|
|
type testPeer struct {
|
|
id p2p.NodeID
|
|
base int64
|
|
height int64
|
|
inputChan chan inputData // make sure each peer's data is sequential
|
|
}
|
|
|
|
type inputData struct {
|
|
t *testing.T
|
|
pool *BlockPool
|
|
request BlockRequest
|
|
}
|
|
|
|
func (p testPeer) runInputRoutine() {
|
|
go func() {
|
|
for input := range p.inputChan {
|
|
p.simulateInput(input)
|
|
}
|
|
}()
|
|
}
|
|
|
|
// Request desired, pretend like we got the block immediately.
|
|
func (p testPeer) simulateInput(input inputData) {
|
|
block := &types.Block{Header: types.Header{Height: input.request.Height}}
|
|
input.pool.AddBlock(input.request.PeerID, block, 123)
|
|
// TODO: uncommenting this creates a race which is detected by:
|
|
// https://github.com/golang/go/blob/2bd767b1022dd3254bcec469f0ee164024726486/src/testing/testing.go#L854-L856
|
|
// see: https://github.com/tendermint/tendermint/issues/3390#issue-418379890
|
|
// input.t.Logf("Added block from peer %v (height: %v)", input.request.PeerID, input.request.Height)
|
|
}
|
|
|
|
type testPeers map[p2p.NodeID]testPeer
|
|
|
|
func (ps testPeers) start() {
|
|
for _, v := range ps {
|
|
v.runInputRoutine()
|
|
}
|
|
}
|
|
|
|
func (ps testPeers) stop() {
|
|
for _, v := range ps {
|
|
close(v.inputChan)
|
|
}
|
|
}
|
|
|
|
func makePeers(numPeers int, minHeight, maxHeight int64) testPeers {
|
|
peers := make(testPeers, numPeers)
|
|
for i := 0; i < numPeers; i++ {
|
|
peerID := p2p.NodeID(tmrand.Str(12))
|
|
height := minHeight + mrand.Int63n(maxHeight-minHeight)
|
|
base := minHeight + int64(i)
|
|
if base > height {
|
|
base = height
|
|
}
|
|
peers[peerID] = testPeer{peerID, base, height, make(chan inputData, 10)}
|
|
}
|
|
return peers
|
|
}
|
|
|
|
func TestBlockPoolBasic(t *testing.T) {
|
|
start := int64(42)
|
|
peers := makePeers(10, start+1, 1000)
|
|
errorsCh := make(chan peerError, 1000)
|
|
requestsCh := make(chan BlockRequest, 1000)
|
|
pool := NewBlockPool(start, requestsCh, errorsCh)
|
|
pool.SetLogger(log.TestingLogger())
|
|
|
|
err := pool.Start()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
t.Cleanup(func() {
|
|
if err := pool.Stop(); err != nil {
|
|
t.Error(err)
|
|
}
|
|
})
|
|
|
|
peers.start()
|
|
defer peers.stop()
|
|
|
|
// Introduce each peer.
|
|
go func() {
|
|
for _, peer := range peers {
|
|
pool.SetPeerRange(peer.id, peer.base, peer.height)
|
|
}
|
|
}()
|
|
|
|
// Start a goroutine to pull blocks
|
|
go func() {
|
|
for {
|
|
if !pool.IsRunning() {
|
|
return
|
|
}
|
|
first, second := pool.PeekTwoBlocks()
|
|
if first != nil && second != nil {
|
|
pool.PopRequest()
|
|
} else {
|
|
time.Sleep(1 * time.Second)
|
|
}
|
|
}
|
|
}()
|
|
|
|
// Pull from channels
|
|
for {
|
|
select {
|
|
case err := <-errorsCh:
|
|
t.Error(err)
|
|
case request := <-requestsCh:
|
|
t.Logf("Pulled new BlockRequest %v", request)
|
|
if request.Height == 300 {
|
|
return // Done!
|
|
}
|
|
|
|
peers[request.PeerID].inputChan <- inputData{t, pool, request}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestBlockPoolTimeout(t *testing.T) {
|
|
start := int64(42)
|
|
peers := makePeers(10, start+1, 1000)
|
|
errorsCh := make(chan peerError, 1000)
|
|
requestsCh := make(chan BlockRequest, 1000)
|
|
pool := NewBlockPool(start, requestsCh, errorsCh)
|
|
pool.SetLogger(log.TestingLogger())
|
|
err := pool.Start()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
t.Cleanup(func() {
|
|
if err := pool.Stop(); err != nil {
|
|
t.Error(err)
|
|
}
|
|
})
|
|
|
|
for _, peer := range peers {
|
|
t.Logf("Peer %v", peer.id)
|
|
}
|
|
|
|
// Introduce each peer.
|
|
go func() {
|
|
for _, peer := range peers {
|
|
pool.SetPeerRange(peer.id, peer.base, peer.height)
|
|
}
|
|
}()
|
|
|
|
// Start a goroutine to pull blocks
|
|
go func() {
|
|
for {
|
|
if !pool.IsRunning() {
|
|
return
|
|
}
|
|
first, second := pool.PeekTwoBlocks()
|
|
if first != nil && second != nil {
|
|
pool.PopRequest()
|
|
} else {
|
|
time.Sleep(1 * time.Second)
|
|
}
|
|
}
|
|
}()
|
|
|
|
// Pull from channels
|
|
counter := 0
|
|
timedOut := map[p2p.NodeID]struct{}{}
|
|
for {
|
|
select {
|
|
case err := <-errorsCh:
|
|
t.Log(err)
|
|
// consider error to be always timeout here
|
|
if _, ok := timedOut[err.peerID]; !ok {
|
|
counter++
|
|
if counter == len(peers) {
|
|
return // Done!
|
|
}
|
|
}
|
|
case request := <-requestsCh:
|
|
t.Logf("Pulled new BlockRequest %+v", request)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestBlockPoolRemovePeer(t *testing.T) {
|
|
peers := make(testPeers, 10)
|
|
for i := 0; i < 10; i++ {
|
|
peerID := p2p.NodeID(fmt.Sprintf("%d", i+1))
|
|
height := int64(i + 1)
|
|
peers[peerID] = testPeer{peerID, 0, height, make(chan inputData)}
|
|
}
|
|
requestsCh := make(chan BlockRequest)
|
|
errorsCh := make(chan peerError)
|
|
|
|
pool := NewBlockPool(1, requestsCh, errorsCh)
|
|
pool.SetLogger(log.TestingLogger())
|
|
err := pool.Start()
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() {
|
|
if err := pool.Stop(); err != nil {
|
|
t.Error(err)
|
|
}
|
|
})
|
|
|
|
// add peers
|
|
for peerID, peer := range peers {
|
|
pool.SetPeerRange(peerID, peer.base, peer.height)
|
|
}
|
|
assert.EqualValues(t, 10, pool.MaxPeerHeight())
|
|
|
|
// remove not-existing peer
|
|
assert.NotPanics(t, func() { pool.RemovePeer(p2p.NodeID("Superman")) })
|
|
|
|
// remove peer with biggest height
|
|
pool.RemovePeer(p2p.NodeID("10"))
|
|
assert.EqualValues(t, 9, pool.MaxPeerHeight())
|
|
|
|
// remove all peers
|
|
for peerID := range peers {
|
|
pool.RemovePeer(peerID)
|
|
}
|
|
|
|
assert.EqualValues(t, 0, pool.MaxPeerHeight())
|
|
}
|