148 lines
3.7 KiB
Go
148 lines
3.7 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package les
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import (
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"crypto/rand"
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"math/big"
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"reflect"
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"sort"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/enode"
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)
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type testServerPeerSub struct {
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regCh chan *serverPeer
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unregCh chan *serverPeer
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}
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func newTestServerPeerSub() *testServerPeerSub {
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return &testServerPeerSub{
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regCh: make(chan *serverPeer, 1),
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unregCh: make(chan *serverPeer, 1),
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}
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}
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func (t *testServerPeerSub) registerPeer(p *serverPeer) { t.regCh <- p }
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func (t *testServerPeerSub) unregisterPeer(p *serverPeer) { t.unregCh <- p }
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func TestPeerSubscription(t *testing.T) {
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peers := newServerPeerSet()
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defer peers.close()
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checkIds := func(expect []string) {
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given := peers.ids()
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if len(given) == 0 && len(expect) == 0 {
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return
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}
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sort.Strings(given)
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sort.Strings(expect)
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if !reflect.DeepEqual(given, expect) {
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t.Fatalf("all peer ids mismatch, want %v, given %v", expect, given)
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}
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}
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checkPeers := func(peerCh chan *serverPeer) {
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select {
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case <-peerCh:
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case <-time.NewTimer(100 * time.Millisecond).C:
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t.Fatalf("timeout, no event received")
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}
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select {
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case <-peerCh:
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t.Fatalf("unexpected event received")
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case <-time.NewTimer(10 * time.Millisecond).C:
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}
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}
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checkIds([]string{})
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sub := newTestServerPeerSub()
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peers.subscribe(sub)
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// Generate a random id and create the peer
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var id enode.ID
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rand.Read(id[:])
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peer := newServerPeer(2, NetworkId, false, p2p.NewPeer(id, "name", nil), nil)
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peers.register(peer)
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checkIds([]string{peer.id})
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checkPeers(sub.regCh)
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peers.unregister(peer.id)
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checkIds([]string{})
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checkPeers(sub.unregCh)
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}
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func TestHandshake(t *testing.T) {
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// Create a message pipe to communicate through
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app, net := p2p.MsgPipe()
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// Generate a random id and create the peer
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var id enode.ID
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rand.Read(id[:])
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peer1 := newClientPeer(2, NetworkId, p2p.NewPeer(id, "name", nil), net)
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peer2 := newServerPeer(2, NetworkId, true, p2p.NewPeer(id, "name", nil), app)
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var (
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errCh1 = make(chan error, 1)
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errCh2 = make(chan error, 1)
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td = big.NewInt(100)
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head = common.HexToHash("deadbeef")
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headNum = uint64(10)
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genesis = common.HexToHash("cafebabe")
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)
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go func() {
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errCh1 <- peer1.handshake(td, head, headNum, genesis, func(list *keyValueList) {
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var announceType uint64 = announceTypeSigned
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*list = (*list).add("announceType", announceType)
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}, nil)
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}()
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go func() {
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errCh2 <- peer2.handshake(td, head, headNum, genesis, nil, func(recv keyValueMap) error {
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var reqType uint64
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err := recv.get("announceType", &reqType)
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if err != nil {
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t.Fatal(err)
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}
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if reqType != announceTypeSigned {
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t.Fatal("Expected announceTypeSigned")
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}
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return nil
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})
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}()
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for i := 0; i < 2; i++ {
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select {
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case err := <-errCh1:
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if err != nil {
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t.Fatalf("handshake failed, %v", err)
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}
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case err := <-errCh2:
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if err != nil {
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t.Fatalf("handshake failed, %v", err)
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}
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case <-time.After(time.Second):
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t.Fatalf("timeout")
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}
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}
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}
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