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172 lines
4.1 KiB
172 lines
4.1 KiB
package p2p
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import (
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"math/rand"
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"strings"
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"testing"
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"github.com/tendermint/tendermint/Godeps/_workspace/src/code.google.com/p/go-uuid/uuid"
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. "github.com/tendermint/tendermint/common"
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"github.com/tendermint/tendermint/types"
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)
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// Returns an empty dummy peer
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func randPeer() *Peer {
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return &Peer{
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Key: uuid.New(),
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NodeInfo: &types.NodeInfo{
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Host: Fmt("%v.%v.%v.%v", rand.Int()%256, rand.Int()%256, rand.Int()%256, rand.Int()%256),
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},
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}
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}
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func TestAddRemoveOne(t *testing.T) {
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peerSet := NewPeerSet()
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peer := randPeer()
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err := peerSet.Add(peer)
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if err != nil {
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t.Errorf("Failed to add new peer")
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}
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if peerSet.Size() != 1 {
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t.Errorf("Failed to add new peer and increment size")
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}
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peerSet.Remove(peer)
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if peerSet.Has(peer.Key) {
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t.Errorf("Failed to remove peer")
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}
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if peerSet.Size() != 0 {
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t.Errorf("Failed to remove peer and decrement size")
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}
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}
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func TestAddRemoveMany(t *testing.T) {
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peerSet := NewPeerSet()
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peers := []*Peer{}
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N := 100
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maxPeersPerIPRange = [4]int{N, N, N, N}
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for i := 0; i < N; i++ {
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peer := randPeer()
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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if peerSet.Size() != i+1 {
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t.Errorf("Failed to add new peer and increment size")
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}
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peers = append(peers, peer)
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}
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for i, peer := range peers {
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peerSet.Remove(peer)
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if peerSet.Has(peer.Key) {
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t.Errorf("Failed to remove peer")
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}
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if peerSet.Size() != len(peers)-i-1 {
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t.Errorf("Failed to remove peer and decrement size")
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}
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}
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}
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func newPeerInIPRange(ipBytes ...string) *Peer {
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ips := make([]string, 4)
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for i, ipByte := range ipBytes {
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ips[i] = ipByte
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}
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for i := len(ipBytes); i < 4; i++ {
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ips[i] = Fmt("%v", rand.Int()%256)
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}
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ipS := strings.Join(ips, ".")
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return &Peer{
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Key: uuid.New(),
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NodeInfo: &types.NodeInfo{
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Host: ipS,
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},
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}
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}
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func TestIPRanges(t *testing.T) {
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peerSet := NewPeerSet()
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// test /8
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maxPeersPerIPRange = [4]int{2, 2, 2, 2}
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peer := newPeerInIPRange("54")
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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peer = newPeerInIPRange("54")
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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peer = newPeerInIPRange("54")
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if err := peerSet.Add(peer); err == nil {
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t.Errorf("Added peer when we shouldn't have")
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}
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peer = newPeerInIPRange("55")
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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// test /16
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peerSet = NewPeerSet()
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maxPeersPerIPRange = [4]int{3, 2, 1, 1}
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peer = newPeerInIPRange("54", "112")
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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peer = newPeerInIPRange("54", "112")
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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peer = newPeerInIPRange("54", "112")
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if err := peerSet.Add(peer); err == nil {
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t.Errorf("Added peer when we shouldn't have")
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}
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peer = newPeerInIPRange("54", "113")
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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// test /24
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peerSet = NewPeerSet()
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maxPeersPerIPRange = [4]int{5, 3, 2, 1}
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peer = newPeerInIPRange("54", "112", "11")
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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peer = newPeerInIPRange("54", "112", "11")
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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peer = newPeerInIPRange("54", "112", "11")
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if err := peerSet.Add(peer); err == nil {
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t.Errorf("Added peer when we shouldn't have")
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}
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peer = newPeerInIPRange("54", "112", "12")
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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// test /32
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peerSet = NewPeerSet()
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maxPeersPerIPRange = [4]int{11, 7, 5, 2}
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peer = newPeerInIPRange("54", "112", "11", "10")
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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peer = newPeerInIPRange("54", "112", "11", "10")
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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peer = newPeerInIPRange("54", "112", "11", "10")
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if err := peerSet.Add(peer); err == nil {
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t.Errorf("Added peer when we shouldn't have")
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}
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peer = newPeerInIPRange("54", "112", "11", "11")
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if err := peerSet.Add(peer); err != nil {
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t.Errorf("Failed to add new peer")
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}
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}
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