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153 lines
3.7 KiB
153 lines
3.7 KiB
package p2p
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import (
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"io/ioutil"
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"math/rand"
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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cmn "github.com/tendermint/go-common"
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wire "github.com/tendermint/go-wire"
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)
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func TestPEXReactorBasic(t *testing.T) {
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dir, err := ioutil.TempDir("", "pex_reactor")
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require.Nil(t, err)
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defer os.RemoveAll(dir)
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book := NewAddrBook(dir+"addrbook.json", true)
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r := NewPEXReactor(book)
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assert.NotNil(t, r)
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assert.NotEmpty(t, r.GetChannels())
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}
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func TestPEXReactorAddRemovePeer(t *testing.T) {
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dir, err := ioutil.TempDir("", "pex_reactor")
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require.Nil(t, err)
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defer os.RemoveAll(dir)
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book := NewAddrBook(dir+"addrbook.json", true)
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r := NewPEXReactor(book)
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size := book.Size()
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peer := createRandomPeer(false)
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r.AddPeer(peer)
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assert.Equal(t, size+1, book.Size())
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r.RemovePeer(peer, "peer not available")
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assert.Equal(t, size, book.Size())
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outboundPeer := createRandomPeer(true)
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r.AddPeer(outboundPeer)
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assert.Equal(t, size, book.Size(), "size must not change")
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r.RemovePeer(outboundPeer, "peer not available")
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assert.Equal(t, size, book.Size(), "size must not change")
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}
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func TestPEXReactorRunning(t *testing.T) {
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N := 3
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switches := make([]*Switch, N)
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dir, err := ioutil.TempDir("", "pex_reactor")
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require.Nil(t, err)
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defer os.RemoveAll(dir)
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book := NewAddrBook(dir+"addrbook.json", false)
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// create switches
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for i := 0; i < N; i++ {
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switches[i] = makeSwitch(i, "127.0.0.1", "123.123.123", func(i int, sw *Switch) *Switch {
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r := NewPEXReactor(book)
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r.SetEnsurePeersPeriod(250 * time.Millisecond)
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sw.AddReactor("pex", r)
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return sw
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})
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}
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// fill the address book and add listeners
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for _, s := range switches {
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addr, _ := NewNetAddressString(s.NodeInfo().ListenAddr)
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book.AddAddress(addr, addr)
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s.AddListener(NewDefaultListener("tcp", s.NodeInfo().ListenAddr, true))
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}
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// start switches
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for _, s := range switches {
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_, err := s.Start() // start switch and reactors
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require.Nil(t, err)
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}
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time.Sleep(1 * time.Second)
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// check peers are connected after some time
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for _, s := range switches {
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outbound, inbound, _ := s.NumPeers()
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if outbound+inbound == 0 {
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t.Errorf("%v expected to be connected to at least one peer", s.NodeInfo().ListenAddr)
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}
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}
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// stop them
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for _, s := range switches {
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s.Stop()
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}
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}
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func TestPEXReactorReceive(t *testing.T) {
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dir, err := ioutil.TempDir("", "pex_reactor")
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require.Nil(t, err)
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defer os.RemoveAll(dir)
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book := NewAddrBook(dir+"addrbook.json", true)
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r := NewPEXReactor(book)
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peer := createRandomPeer(false)
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size := book.Size()
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netAddr, _ := NewNetAddressString(peer.ListenAddr)
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addrs := []*NetAddress{netAddr}
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msg := wire.BinaryBytes(struct{ PexMessage }{&pexAddrsMessage{Addrs: addrs}})
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r.Receive(PexChannel, peer, msg)
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assert.Equal(t, size+1, book.Size())
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msg = wire.BinaryBytes(struct{ PexMessage }{&pexRequestMessage{}})
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r.Receive(PexChannel, peer, msg)
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}
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func TestPEXReactorAbuseFromPeer(t *testing.T) {
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dir, err := ioutil.TempDir("", "pex_reactor")
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require.Nil(t, err)
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defer os.RemoveAll(dir)
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book := NewAddrBook(dir+"addrbook.json", true)
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r := NewPEXReactor(book)
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r.SetMaxMsgCountByPeer(5)
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peer := createRandomPeer(false)
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msg := wire.BinaryBytes(struct{ PexMessage }{&pexRequestMessage{}})
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for i := 0; i < 10; i++ {
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r.Receive(PexChannel, peer, msg)
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}
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assert.True(t, r.ReachedMaxMsgCountForPeer(peer.ListenAddr))
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}
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func createRandomPeer(outbound bool) *Peer {
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addr := cmn.Fmt("%v.%v.%v.%v:46656", rand.Int()%256, rand.Int()%256, rand.Int()%256, rand.Int()%256)
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netAddr, _ := NewNetAddressString(addr)
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return &Peer{
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Key: cmn.RandStr(12),
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NodeInfo: &NodeInfo{
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ListenAddr: addr,
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},
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outbound: outbound,
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mconn: &MConnection{RemoteAddress: netAddr},
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}
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}
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