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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "crypto/rand" | ||
| "encoding/json" | ||
| "fmt" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/MoonSHRD/p2chat/api" | ||
| "github.com/MoonSHRD/p2chat/pkg" | ||
| "github.com/libp2p/go-libp2p" | ||
| "github.com/libp2p/go-libp2p-core/crypto" | ||
| "github.com/libp2p/go-libp2p-core/host" | ||
| "github.com/libp2p/go-libp2p-core/peer" | ||
| "github.com/libp2p/go-libp2p-core/peerstore" | ||
| "github.com/libp2p/go-libp2p-core/protocol" | ||
| pubsub "github.com/libp2p/go-libp2p-pubsub" | ||
| "github.com/phayes/freeport" | ||
| ) | ||
|
|
||
| const ( | ||
| numberOfNodes = 3 | ||
| serviceTag = "moonshard" | ||
| ) | ||
|
|
||
| var ( | ||
| testHosts []host.Host | ||
| testContexts []context.Context | ||
| testHandlers []pkg.Handler | ||
| testPubsubs []*pubsub.PubSub | ||
| testSubscriptions []*pubsub.Subscription | ||
| peerChan chan peer.AddrInfo | ||
| ) | ||
|
|
||
| // Creates mock host object | ||
| func createHost() (context.Context, host.Host, error) { | ||
| ctx, _ /* cancel */ := context.WithCancel(context.Background()) | ||
| // defer cancel() | ||
|
|
||
| prvKey, _, err := crypto.GenerateKeyPairWithReader(crypto.RSA, 2048, rand.Reader) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
|
|
||
| port, err := freeport.GetFreePort() | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
|
|
||
| host, err := libp2p.New( | ||
| ctx, | ||
| libp2p.Identity(prvKey), | ||
| libp2p.ListenAddrStrings(fmt.Sprintf("/ip4/0.0.0.0/tcp/%v", port)), | ||
| ) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
|
|
||
| return ctx, host, nil | ||
| } | ||
|
|
||
| func TestCreateHosts(t *testing.T) { | ||
| for i := 0; i < numberOfNodes; i++ { | ||
| tempCtx, tempHost, err := createHost() | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| testHosts = append(testHosts, tempHost) | ||
| testContexts = append(testContexts, tempCtx) | ||
| } | ||
| } | ||
|
|
||
| func TestMDNS(t *testing.T) { | ||
| for i := 0; i < numberOfNodes; i++ { | ||
| pb, err := pubsub.NewFloodsubWithProtocols(context.Background(), testHosts[i], []protocol.ID{protocol.ID("/moonshard/1.0.0")}, pubsub.WithMessageSigning(true), pubsub.WithStrictSignatureVerification(true)) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| testPubsubs = append(testPubsubs, pb) | ||
| testHandlers = append(testHandlers, pkg.NewHandler(pb, serviceTag, &networkTopics)) | ||
|
|
||
| peerChan = pkg.InitMDNS(testContexts[i], testHosts[i], serviceTag) | ||
|
|
||
| subscription, err := pb.Subscribe(serviceTag) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| testSubscriptions = append(testSubscriptions, subscription) | ||
|
|
||
| fmt.Println("Waiting for correct set up of PubSub...") | ||
| time.Sleep(3 * time.Second) | ||
|
|
||
| for j := 0; j < i; j++ { | ||
| select { | ||
| case peer := <-peerChan: | ||
| testHosts[i].Peerstore().AddAddr(peer.ID, peer.Addrs[0], peerstore.PermanentAddrTTL) | ||
|
|
||
| if err := testHosts[i].Connect(testContexts[i], peer); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| default: | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // Checks whether all nodes are connected to each other | ||
| func TestGetPeers(t *testing.T) { | ||
| for _, handler := range testHandlers { | ||
| if len(handler.GetPeers(serviceTag)) != numberOfNodes-1 { | ||
| t.Fatal("Not all nodes are connected to each other.") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // Sends message to service topic | ||
| func TestSendMessage(t *testing.T) { | ||
| message := &api.BaseMessage{ | ||
| Body: fmt.Sprintf("%s send 'hello test'", testHosts[0].ID()), | ||
| Flag: api.FlagGenericMessage, | ||
| } | ||
|
|
||
| sendData, err := json.Marshal(message) | ||
| if err != nil { | ||
| t.Fatal("Error occurred when marshalling message object") | ||
| } | ||
|
|
||
| err = testPubsubs[0].Publish(serviceTag, sendData) | ||
| if err != nil { | ||
| t.Fatal("Error occurred when publishing") | ||
| } | ||
| } | ||
|
|
||
| // Grabs message from service topic | ||
| func TestGetMessage(t *testing.T) { | ||
| for _, sub := range testSubscriptions[1:] { | ||
| message, err := sub.Next(context.Background()) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| decodedMessage := &api.BaseMessage{} | ||
| json.Unmarshal(message.Data, decodedMessage) | ||
|
|
||
| originalMessage := fmt.Sprintf("%s send 'hello test'", testHosts[0].ID()) | ||
| if decodedMessage.Body != originalMessage { | ||
| t.Fatal("Message not does not match") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func TestCloseHosts(t *testing.T) { | ||
| for _, host := range testHosts { | ||
| if err := host.Close(); err != nil { | ||
| t.Fatal(fmt.Sprintf("Failed when closing host %v", host.ID())) | ||
| } | ||
| } | ||
| } |
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