func TestPeerSend(t *testing.T) {
// Start a tester and execute the handshake
tester, err := startTestPeerInited()
if err != nil {
t.Fatalf("failed to start initialized peer: %v", err)
}
defer tester.stream.Close()
// Construct a message and inject into the tester
message := NewMessage([]byte("peer broadcast test message"))
envelope, err := message.Wrap(DefaultPoW, Options{
TTL: DefaultTTL,
})
if err != nil {
t.Fatalf("failed to wrap message: %v", err)
}
if err := tester.client.Send(envelope); err != nil {
t.Fatalf("failed to send message: %v", err)
}
// Check that the message is eventually forwarded
payload := []interface{}{envelope}
if err := p2p.ExpectMsg(tester.stream, messagesCode, payload); err != nil {
t.Fatalf("message mismatch: %v", err)
}
// Make sure that even with a re-insert, an empty batch is received
if err := tester.client.Send(envelope); err != nil {
t.Fatalf("failed to send message: %v", err)
}
if err := p2p.ExpectMsg(tester.stream, messagesCode, []interface{}{}); err != nil {
t.Fatalf("message mismatch: %v", err)
}
}
func TestPeerMessageExpiration(t *testing.T) {
// Start a tester and execute the handshake
tester, err := startTestPeerInited()
if err != nil {
t.Fatalf("failed to start initialized peer: %v", err)
}
defer tester.stream.Close()
// Fetch the peer instance for later inspection
tester.client.peerMu.RLock()
if peers := len(tester.client.peers); peers != 1 {
t.Fatalf("peer pool size mismatch: have %v, want %v", peers, 1)
}
var peer *peer
for peer, _ = range tester.client.peers {
break
}
tester.client.peerMu.RUnlock()
// Construct a message and pass it through the tester
message := NewMessage([]byte("peer test message"))
envelope, err := message.Wrap(DefaultPoW, Options{
TTL: time.Second,
})
if err != nil {
t.Fatalf("failed to wrap message: %v", err)
}
if err := tester.client.Send(envelope); err != nil {
t.Fatalf("failed to send message: %v", err)
}
payload := []interface{}{envelope}
if err := p2p.ExpectMsg(tester.stream, messagesCode, payload); err != nil {
t.Fatalf("message mismatch: %v", err)
}
// Check that the message is inside the cache
if !peer.known.Has(envelope.Hash()) {
t.Fatalf("message not found in cache")
}
// Discard messages until expiration and check cache again
exp := time.Now().Add(time.Second + expirationCycle)
for time.Now().Before(exp) {
if err := p2p.ExpectMsg(tester.stream, messagesCode, []interface{}{}); err != nil {
t.Fatalf("message mismatch: %v", err)
}
}
if peer.known.Has(envelope.Hash()) {
t.Fatalf("message not expired from cache")
}
}
func TestPeerHandshakeSuccess(t *testing.T) {
tester := startTestPeer()
// Wait for and check the handshake
if err := p2p.ExpectMsg(tester.stream, statusCode, []uint64{protocolVersion}); err != nil {
t.Fatalf("status message mismatch: %v", err)
}
// Send a valid handshake status and make sure connection stays live
if err := p2p.SendItems(tester.stream, statusCode, protocolVersion); err != nil {
t.Fatalf("failed to send status: %v", err)
}
select {
case <-tester.termed:
t.Fatalf("valid handshake disconnected")
case <-time.After(100 * time.Millisecond):
}
// Clean up the test
tester.stream.Close()
select {
case <-tester.termed:
case <-time.After(time.Second):
t.Fatalf("local close timed out")
}
}
func startTestPeerInited() (*testPeer, error) {
peer := startTestPeer()
if err := p2p.ExpectMsg(peer.stream, statusCode, []uint64{protocolVersion}); err != nil {
peer.stream.Close()
return nil, err
}
if err := p2p.SendItems(peer.stream, statusCode, protocolVersion); err != nil {
peer.stream.Close()
return nil, err
}
return peer, nil
}
func TestPeerStatusMessage(t *testing.T) {
tester := startTestPeer()
// Wait for the handshake status message and check it
if err := p2p.ExpectMsg(tester.stream, statusCode, []uint64{protocolVersion}); err != nil {
t.Fatalf("status message mismatch: %v", err)
}
// Terminate the node
tester.stream.Close()
select {
case <-tester.termed:
case <-time.After(time.Second):
t.Fatalf("local close timed out")
}
}
func (p *testPeer) handshake(t *testing.T) {
td, currentBlock, genesis := p.pm.chainman.Status()
msg := &statusData{
ProtocolVersion: uint32(p.pm.protVer),
NetworkId: uint32(p.pm.netId),
TD: td,
CurrentBlock: currentBlock,
GenesisBlock: genesis,
}
if err := p2p.ExpectMsg(p, StatusMsg, msg); err != nil {
t.Fatalf("status recv: %v", err)
}
if err := p2p.Send(p, StatusMsg, msg); err != nil {
t.Fatalf("status send: %v", err)
}
}
func TestPeerHandshakeFail(t *testing.T) {
tester := startTestPeer()
// Wait for and check the handshake
if err := p2p.ExpectMsg(tester.stream, statusCode, []uint64{protocolVersion}); err != nil {
t.Fatalf("status message mismatch: %v", err)
}
// Send an invalid handshake status and verify disconnect
if err := p2p.SendItems(tester.stream, messagesCode); err != nil {
t.Fatalf("failed to send malformed status: %v", err)
}
select {
case <-tester.termed:
case <-time.After(time.Second):
t.Fatalf("remote close timed out")
}
}