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peersession_test.go
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peersession_test.go
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package bootstrap
import (
"encoding/hex"
"net"
"testing"
"time"
"github.com/golemfactory/bootstrap_go/crypto"
"github.com/golemfactory/bootstrap_go/message"
"github.com/golemfactory/bootstrap_go/peerkeeper"
"github.com/golemfactory/bootstrap_go/python"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
const (
TEST_NAME = "bootstrap-unittest"
TEST_PROTO_ID = "1337"
)
type TestAddress struct {
}
func (a *TestAddress) Network() string {
return "test-network"
}
func (a *TestAddress) String() string {
return "test-addr:test-port"
}
type TestConn struct {
net.Conn
}
func (c *TestConn) RemoteAddr() net.Addr {
return &TestAddress{}
}
type AddPeerCall struct {
Id string
Peer python.Peer
}
type GetPeersCall struct {
Id string
}
type TestPeerKeeper struct {
AddPeerCalls []AddPeerCall
GetPeersCalls []GetPeersCall
}
func NewTestPeerKeeper() *TestPeerKeeper {
return &TestPeerKeeper{
AddPeerCalls: make([]AddPeerCall, 0),
GetPeersCalls: make([]GetPeersCall, 0),
}
}
func (pk *TestPeerKeeper) AddPeer(id string, peer python.Peer) {
pk.AddPeerCalls = append(pk.AddPeerCalls, AddPeerCall{id, peer})
}
func (pk *TestPeerKeeper) GetPeers(id string) []python.Peer {
pk.GetPeersCalls = append(pk.GetPeersCalls, GetPeersCall{id})
return nil
}
func getService(t *testing.T, pk peerkeeper.PeerKeeper) *Service {
privKey, err := crypto.GeneratePrivateKey()
if err != nil {
t.Fatal("Error while generating private key", err)
}
config := &Config{
Name: TEST_NAME,
Id: "deadbeef",
Port: 44444,
PrvAddr: "prvAddr",
PubAddr: "pubAddr",
PrvAddresses: nil,
NatType: make([]interface{}, 0),
PeerNum: 100,
ProtocolId: TEST_PROTO_ID,
}
return NewService(config, privKey, pk)
}
func testPeerSessionImpl(t *testing.T, handleCh chan error) {
const (
RAND_VAL = 0.1337
CLIENT_ID = "client-id"
)
privKey, err := crypto.GeneratePrivateKey()
require.NoError(t, err)
pubKey := privKey.GetPublicKey()
pubKeyHex := pubKey.Hex()
pk := &TestPeerKeeper{}
service := getService(t, pk)
conn, psConn := net.Pipe()
ps := NewPeerSession(service, &TestConn{Conn: psConn})
go func() {
handleCh <- ps.handle()
}()
var otherPubKey crypto.PublicKey
inited := false
signFunc := func(shortHash []byte) ([]byte, error) {
return privKey.Sign(GetShortHashSha(shortHash))
}
verifySignFunc := func(shortHash []byte, sig []byte) bool {
if !inited {
return true
}
return otherPubKey.VerifySign(GetShortHashSha(shortHash), sig)
}
encryptFunc := func(data []byte) ([]byte, error) {
return crypto.Encrypt(data, service.privKey.GetPublicKey())
}
decryptFunc := func(data []byte) ([]byte, error) {
return privKey.Decrypt(data)
}
msg, err := message.Receive(conn, nil, verifySignFunc)
require.NoError(t, err)
serverHello := msg.(*message.Hello)
assert.Equal(t, TEST_NAME, serverHello.NodeName)
nodeInfo, err := python.DictToNode(serverHello.NodeInfo)
require.NoError(t, err)
pubKeyBytes, err := hex.DecodeString(nodeInfo.Key)
require.NoError(t, err)
otherPubKey, err = crypto.PublicKeyFromBytes(append([]byte{0x04}, pubKeyBytes...))
require.NoError(t, err)
inited = true
node := python.Node{
Key: pubKeyHex,
}
hello := &message.Hello{
RandVal: RAND_VAL,
ClientKeyId: CLIENT_ID,
NodeInfo: node.ToDict(),
ProtoId: TEST_PROTO_ID,
}
err = message.Send(conn, hello, encryptFunc, signFunc)
require.NoError(t, err)
randVal := &message.RandVal{
RandVal: serverHello.RandVal,
}
err = message.Send(conn, randVal, encryptFunc, signFunc)
require.NoError(t, err)
msg, err = message.Receive(conn, decryptFunc, verifySignFunc)
require.NoError(t, err)
serverRandVal, ok := msg.(*message.RandVal)
require.True(t, ok)
assert.Equal(t, RAND_VAL, serverRandVal.RandVal)
msg, err = message.Receive(conn, decryptFunc, verifySignFunc)
require.NoError(t, err)
serverPeers := msg.(*message.Peers)
assert.Equal(t, 0, len(serverPeers.Peers))
msg, err = message.Receive(conn, decryptFunc, verifySignFunc)
require.NoError(t, err)
disconnect := msg.(*message.Disconnect)
assert.Equal(t, message.DISCONNECT_BOOTSTRAP, disconnect.Reason)
require.Equal(t, 1, len(pk.GetPeersCalls))
assert.Equal(t, CLIENT_ID, pk.GetPeersCalls[0].Id)
require.Equal(t, 1, len(pk.AddPeerCalls))
assert.Equal(t, CLIENT_ID, pk.AddPeerCalls[0].Id)
}
func TestPeerSession(t *testing.T) {
testCh := make(chan bool)
handleCh := make(chan error)
go func() {
testPeerSessionImpl(t, handleCh)
close(testCh)
}()
select {
case <-testCh:
case err := <-handleCh:
assert.NoError(t, err)
case <-time.After(time.Second):
t.Fatal("Test timed out")
}
}