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authorPéter Szilágyi <peterke@gmail.com>2015-04-14 23:21:56 +0800
committerPéter Szilágyi <peterke@gmail.com>2015-04-14 23:21:56 +0800
commit86372b20c0995abe0343ce5f453be113e5f192d0 (patch)
tree12050e8bf3a532dd4ee1c1275e4738949f42854c /whisper
parentf6efdd8aad96db24f29268b4393e95644dbbd18a (diff)
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whisper: add basic tests for the whiper peers
Diffstat (limited to 'whisper')
-rw-r--r--whisper/common_test.go38
-rw-r--r--whisper/peer_test.go183
2 files changed, 221 insertions, 0 deletions
diff --git a/whisper/common_test.go b/whisper/common_test.go
new file mode 100644
index 000000000..8c12f8aeb
--- /dev/null
+++ b/whisper/common_test.go
@@ -0,0 +1,38 @@
+// Contains some common utility functions for testing.
+
+package whisper
+
+import (
+ "fmt"
+ "math/rand"
+
+ "github.com/ethereum/go-ethereum/p2p"
+
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/p2p/discover"
+)
+
+// randomNodeID generates and returns a random P2P discovery node id for the
+// whisper tests.
+func randomNodeID() (id discover.NodeID) {
+ for i := range id {
+ id[i] = byte(rand.Intn(255))
+ }
+ return id
+}
+
+// randomNodeName generates and returns a random P2P node name for the whisper
+// tests.
+func randomNodeName() string {
+ return common.MakeName(fmt.Sprintf("whisper-go-test-%3d", rand.Intn(999)), "1.0")
+}
+
+// whisperCaps returns the node capabilities for running the whisper sub-protocol.
+func whisperCaps() []p2p.Cap {
+ return []p2p.Cap{
+ p2p.Cap{
+ Name: protocolName,
+ Version: uint(protocolVersion),
+ },
+ }
+}
diff --git a/whisper/peer_test.go b/whisper/peer_test.go
new file mode 100644
index 000000000..c9092dd23
--- /dev/null
+++ b/whisper/peer_test.go
@@ -0,0 +1,183 @@
+package whisper
+
+import (
+ "testing"
+ "time"
+
+ "github.com/ethereum/go-ethereum/p2p"
+)
+
+type testPeer struct {
+ client *Whisper
+ stream *p2p.MsgPipeRW
+ termed chan struct{}
+}
+
+func startTestPeer() *testPeer {
+ // Create a simulated P2P remote peer and data streams to it
+ remote := p2p.NewPeer(randomNodeID(), randomNodeName(), whisperCaps())
+ tester, tested := p2p.MsgPipe()
+
+ // Create a whisper client and connect with it to the tester peer
+ client := New()
+ client.Start()
+
+ termed := make(chan struct{})
+ go func() {
+ defer client.Stop()
+ defer close(termed)
+ defer tested.Close()
+
+ client.handlePeer(remote, tested)
+ }()
+ // Assemble and return the test peer
+ return &testPeer{
+ client: client,
+ stream: tester,
+ termed: termed,
+ }
+}
+
+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 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")
+ }
+}
+
+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 TestPeerSend(t *testing.T) {
+ // Start a tester and execute the handshake
+ tester := startTestPeer()
+ defer tester.stream.Close()
+
+ if err := p2p.ExpectMsg(tester.stream, statusCode, []uint64{protocolVersion}); err != nil {
+ t.Fatalf("status message mismatch: %v", err)
+ }
+ if err := p2p.SendItems(tester.stream, statusCode, protocolVersion); err != nil {
+ t.Fatalf("failed to send status: %v", err)
+ }
+ // 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 TestPeerDeliver(t *testing.T) {
+ // Start a tester and execute the handshake
+ tester := startTestPeer()
+ defer tester.stream.Close()
+
+ if err := p2p.ExpectMsg(tester.stream, statusCode, []uint64{protocolVersion}); err != nil {
+ t.Fatalf("status message mismatch: %v", err)
+ }
+ if err := p2p.SendItems(tester.stream, statusCode, protocolVersion); err != nil {
+ t.Fatalf("failed to send status: %v", err)
+ }
+ // Watch for all inbound messages
+ arrived := make(chan struct{}, 1)
+ tester.client.Watch(Filter{
+ Fn: func(message *Message) {
+ arrived <- struct{}{}
+ },
+ })
+ // Construct a message and deliver it to the tester peer
+ 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 := p2p.Send(tester.stream, messagesCode, []*Envelope{envelope}); err != nil {
+ t.Fatalf("failed to transfer message: %v", err)
+ }
+ // Check that the message is delivered upstream
+ select {
+ case <-arrived:
+ case <-time.After(time.Second):
+ t.Fatalf("message delivery timeout")
+ }
+ // Check that a resend is not delivered
+ if err := p2p.Send(tester.stream, messagesCode, []*Envelope{envelope}); err != nil {
+ t.Fatalf("failed to transfer message: %v", err)
+ }
+ select {
+ case <-time.After(2 * transmissionTicks):
+ case <-arrived:
+ t.Fatalf("repeating message arrived")
+ }
+}