mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-24 20:37:17 +00:00
114 lines
2.7 KiB
Go
114 lines
2.7 KiB
Go
// Copyright 2020 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 client
|
|
|
|
import (
|
|
"math/rand"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common/mclock"
|
|
"github.com/ethereum/go-ethereum/p2p/enode"
|
|
"github.com/ethereum/go-ethereum/p2p/enr"
|
|
"github.com/ethereum/go-ethereum/p2p/nodestate"
|
|
)
|
|
|
|
type testIter struct {
|
|
waitCh chan struct{}
|
|
nodeCh chan *enode.Node
|
|
node *enode.Node
|
|
}
|
|
|
|
func (i *testIter) Next() bool {
|
|
i.waitCh <- struct{}{}
|
|
i.node = <-i.nodeCh
|
|
return i.node != nil
|
|
}
|
|
|
|
func (i *testIter) Node() *enode.Node {
|
|
return i.node
|
|
}
|
|
|
|
func (i *testIter) Close() {}
|
|
|
|
func (i *testIter) push() {
|
|
var id enode.ID
|
|
rand.Read(id[:])
|
|
i.nodeCh <- enode.SignNull(new(enr.Record), id)
|
|
}
|
|
|
|
func (i *testIter) waiting(timeout time.Duration) bool {
|
|
select {
|
|
case <-i.waitCh:
|
|
return true
|
|
case <-time.After(timeout):
|
|
return false
|
|
}
|
|
}
|
|
|
|
func TestFillSet(t *testing.T) {
|
|
ns := nodestate.NewNodeStateMachine(nil, nil, &mclock.Simulated{}, testSetup)
|
|
iter := &testIter{
|
|
waitCh: make(chan struct{}),
|
|
nodeCh: make(chan *enode.Node),
|
|
}
|
|
fs := NewFillSet(ns, iter, sfTest1)
|
|
ns.Start()
|
|
|
|
expWaiting := func(i int, push bool) {
|
|
for ; i > 0; i-- {
|
|
if !iter.waiting(time.Second * 10) {
|
|
t.Fatalf("FillSet not waiting for new nodes")
|
|
}
|
|
if push {
|
|
iter.push()
|
|
}
|
|
}
|
|
}
|
|
|
|
expNotWaiting := func() {
|
|
if iter.waiting(time.Millisecond * 100) {
|
|
t.Fatalf("FillSet unexpectedly waiting for new nodes")
|
|
}
|
|
}
|
|
|
|
expNotWaiting()
|
|
fs.SetTarget(3)
|
|
expWaiting(3, true)
|
|
expNotWaiting()
|
|
fs.SetTarget(100)
|
|
expWaiting(2, true)
|
|
expWaiting(1, false)
|
|
// lower the target before the previous one has been filled up
|
|
fs.SetTarget(0)
|
|
iter.push()
|
|
expNotWaiting()
|
|
fs.SetTarget(10)
|
|
expWaiting(4, true)
|
|
expNotWaiting()
|
|
// remove all previosly set flags
|
|
ns.ForEach(sfTest1, nodestate.Flags{}, func(node *enode.Node, state nodestate.Flags) {
|
|
ns.SetState(node, nodestate.Flags{}, sfTest1, 0)
|
|
})
|
|
// now expect FillSet to fill the set up again with 10 new nodes
|
|
expWaiting(10, true)
|
|
expNotWaiting()
|
|
|
|
fs.Close()
|
|
ns.Stop()
|
|
}
|