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How to use Events method of websocket Package

Best Testkube code snippet using websocket.Events

event_test_functions.go

Source:event_test_functions.go

...11	"github.com/onederx/bitcoin-processing/integrationtests/testenv"12	"github.com/onederx/bitcoin-processing/util"13	wallettypes "github.com/onederx/bitcoin-processing/wallet/types"14)15func testProcessingCatchesMissedEvents(t *testing.T, env *testenv.TestEnvironment, ctx context.Context, accounts []*wallet.Account) {16	withdraw := testMakeWithdraw(t, env, getNewAddressForWithdrawOrFail(t, env),17		bitcoin.Must(bitcoin.BTCAmountFromStringedFloat("0.088")), nil)18	n := env.GetNextCallbackNotificationWithTimeout(t)19	if n.ID != withdraw.id {20		t.Fatalf("Expected that notification will correspond to tx %s, but "+21			"got %s", withdraw.id, n.ID)22	}23	withdraw.hash = n.Hash24	// skip websocket notification25	env.WebsocketListeners[0].GetNextMessageWithTimeout(t)26	// stop processing27	env.WebsocketListeners[0].Stop()28	env.WebsocketListeners = nil29	processingContainerID := env.Processing.ID30	env.StopProcessing(ctx)31	env.WaitForContainerRemoval(ctx, processingContainerID)32	deposits := testTxCollection{33		testMakeDeposit(t, env, accounts[0].Address,34			bitcoin.Must(bitcoin.BTCAmountFromStringedFloat("0.041")), accounts[0].Metainfo),35		testMakeDeposit(t, env, accounts[1].Address,36			bitcoin.Must(bitcoin.BTCAmountFromStringedFloat("0.96")), accounts[1].Metainfo),37	}38	append(deposits, withdraw).mineOrFail(t, env)39	env.StartProcessingWithDefaultSettings(ctx)40	maxSeq := 041	testNotificationsAboutMissedEvents := func(t *testing.T, depositNotifications map[string][]*wallettypes.TxNotification, withdrawNotification *wallettypes.TxNotification) {42		for _, tx := range deposits {43			notifications := depositNotifications[tx.hash]44			if len(notifications) != 2 {45				t.Fatal("Expected 2 notifications about a deposit to arrive: 1 "+46					"about new tx and 1 about confirmation. instead got %d",47					len(notifications))48			}49			if notifications[0].StatusCode != 0 || notifications[0].StatusStr != wallettypes.NewTransaction.String() {50				t.Fatal("Notification order error: expected notification about " +51					"new tx to come before notification about confirmatios")52			}53			checkNotificationFieldsForNewDeposit(t, notifications[0], tx)54			tx.id = notifications[0].ID55			checkNotificationFieldsForFullyConfirmedDeposit(t, notifications[1], tx)56		}57		checkNotificationFieldsForFullyConfirmedClientWithdraw(t, withdrawNotification, withdraw)58	}59	runSubtest(t, "HTTPCallbackNotifications", func(t *testing.T) {60		var withdrawNotification *wallettypes.TxNotification61		depositNotifications := make(map[string][]*wallettypes.TxNotification)62		for i := 0; i < 5; i++ {63			httpNotification := env.GetNextCallbackNotificationWithTimeout(t)64			maxSeq = util.Max(maxSeq, httpNotification.Seq)65			switch httpNotification.Hash {66			case withdraw.hash:67				if withdrawNotification != nil {68					t.Error("Expected only 1 notification for withdraw tx, got more")69				}70				withdrawNotification = httpNotification71			case deposits[0].hash:72				fallthrough73			case deposits[1].hash:74				depositNotifications[httpNotification.Hash] = append(75					depositNotifications[httpNotification.Hash], httpNotification)76			default:77				t.Errorf("Unexpected notification for tx %s", httpNotification.Hash)78			}79		}80		testNotificationsAboutMissedEvents(t, depositNotifications, withdrawNotification)81	})82	testWebsocketEvents := func(t *testing.T, evts []*events.NotificationWithSeq) {83		var withdrawNotification *wallettypes.TxNotification84		depositNotifications := make(map[string][]*wallettypes.TxNotification)85		for _, ev := range evts {86			data := ev.Data.(*wallettypes.TxNotification)87			switch ev.Type {88			case events.OutgoingTxConfirmedEvent:89				withdrawNotification = data90			case events.NewIncomingTxEvent:91				if depositNotifications[data.Hash] != nil {92					t.Error("Websocket event order error: expected event " +93						"about new tx to come before event about confirmation")94				}95				fallthrough96			case events.IncomingTxConfirmedEvent:97				depositNotifications[data.Hash] = append(98					depositNotifications[data.Hash], data)99			}100		}101		testNotificationsAboutMissedEvents(t, depositNotifications, withdrawNotification)102	}103	runSubtest(t, "WebsocketNotifications", func(t *testing.T) {104		runSubtest(t, "GetAllNotifications", func(t *testing.T) {105			listener, err := env.NewWebsocketListener(0)106			if err != nil {107				t.Fatalf("Failed to connect websocket event listener %v", err)108			}109			allMessages := make([]*events.NotificationWithSeq, 0, maxSeq)110			if err != nil {111				t.Fatal(err)112			}113			for {114				msg := listener.GetNextMessageWithTimeout(t)115				allMessages = append(allMessages, msg)116				if msg.Seq == maxSeq {117					break118				}119			}120			testWebsocketEvents(t, allMessages[len(allMessages)-5:])121		})122		runSubtest(t, "GetOnlyNeededNotifications", func(t *testing.T) {123			listener, err := env.NewWebsocketListener(maxSeq - 4)124			if err != nil {125				t.Fatalf("Failed to connect websocket event listener %v", err)126			}127			neededMessages := make([]*events.NotificationWithSeq, 0, 5)128			if err != nil {129				t.Fatal(err)130			}131			for i := 0; i < 5; i++ {132				msg := listener.GetNextMessageWithTimeout(t)133				neededMessages = append(neededMessages, msg)134			}135			if neededMessages[len(neededMessages)-1].Seq != maxSeq {136				t.Fatalf("Expected last websocket message to have seq %d, "+137					"instead it is %d", maxSeq, neededMessages[len(neededMessages)-1].Seq)138			}139			testWebsocketEvents(t, neededMessages)140			listener.Stop()141			env.WebsocketListeners = []*testenv.WebsocketListener{env.WebsocketListeners[0]}142		})143	})144}145func testWebsocketListeners(t *testing.T, env *testenv.TestEnvironment) {146	runSubtest(t, "ExistingEvents", func(t *testing.T) {147		listener, err := env.NewWebsocketListener(0)148		if err != nil {149			t.Fatalf("Failed to connect websocket event listener %v", err)150		}151		event := listener.GetNextMessageWithTimeout(t)152		if event == nil {153			t.Fatal("Expected existing event to be non-nil")154		}155		listener.Stop()156		env.WebsocketListeners = []*testenv.WebsocketListener{env.WebsocketListeners[0]}157	})158	runSubtest(t, "GetEventsFromSeq", func(t *testing.T) {159		runSubtest(t, "Sanity", func(t *testing.T) {160			seq := env.WebsocketListeners[0].LastSeq - 10161			listener, err := env.NewWebsocketListener(seq)162			if err != nil {163				t.Fatalf("Failed to connect websocket event listener %v", err)164			}165			event := listener.GetNextMessageWithTimeout(t)166			if event == nil {167				t.Fatal("Expected existing event to be non-nil")168			}169			if event.Seq < seq {170				t.Errorf("Expected event requested from seq to have seq >= %d, "+171					"but received %d", seq, event.Seq)172			}173			listener.Stop()174			env.WebsocketListeners = []*testenv.WebsocketListener{env.WebsocketListeners[0]}175		})176		runSubtest(t, "GetLostEvents", func(t *testing.T) {177			// create a couple of events that listener will catch in time178			account1 := testGenerateClientWalletWithMetainfo(t, env,179				initialTestMetainfo, env.WebsocketListeners[0].LastSeq+1)180			deposit1 := testMakeDeposit(t, env, account1.Address, testDepositAmount,181				account1.Metainfo)182			deposit1.id = env.GetNextCallbackNotificationWithTimeout(t).ID183			event := env.WebsocketListeners[0].GetNextMessageWithTimeout(t)184			lastSeq := event.Seq185			if got, want := event.Type, events.NewIncomingTxEvent; got != want {186				t.Errorf("Unexpected event type for new deposit, wanted %s, got %s:",187					want, got)188			}189			checkNotificationFieldsForNewDeposit(t, event.Data.(*wallettypes.TxNotification), deposit1)190			// stop this listener to simulate situation that client has gone away191			// while some events are happening192			env.WebsocketListeners[0].Stop()193			env.WebsocketListeners = nil194			// (this withdraw will be put on hold until manual confirmation195			// because it's amount is 0.4)196			withdraw := testMakeWithdraw(t, env,197				getNewAddressForWithdrawOrFail(t, env),198				bitcoin.Must(bitcoin.BTCAmountFromStringedFloat("0.4")), nil)199			// skip http callback notification about this withdraw200			env.GetNextCallbackNotificationWithTimeout(t)201			account2, err := env.ProcessingClient.NewWallet(nil)202			if err != nil {203				t.Fatal(err)204			}205			deposit1.mineOrFail(t, env)206			// skip http callback notification about deposit confirmation207			env.GetNextCallbackNotificationWithTimeout(t)208			// ok, now client is going back online209			listener, err := env.NewWebsocketListener(lastSeq + 1)210			withdrawEvent := listener.GetNextMessageWithTimeout(t)211			if withdrawEvent.Type != events.PendingStatusUpdatedEvent {212				t.Errorf("Unexpected event type: wanted %s, got %s",213					events.PendingStatusUpdatedEvent, withdrawEvent.Type)214			}215			checkNotificationFieldsForWithdrawPendingManualConfirmation(t,216				withdrawEvent.Data.(*wallettypes.TxNotification), withdraw)217			newAccountEvent := listener.GetNextMessageWithTimeout(t)218			if got, want := newAccountEvent.Type, events.NewAddressEvent; got != want {219				t.Errorf("Unexpected event type for new wallet generation, wanted %s, got %s:",220					want, got)221			}222			newAccountEventData := newAccountEvent.Data.(*wallet.Account)223			if got, want := newAccountEventData.Address, account2.Address; got != want {224				t.Errorf("Expected address to be %s, but instead got %s",225					want, got)226			}227			if newAccountEventData.Metainfo != nil {228				t.Errorf("Expected metainfo to be nil, but instead got %v",229					newAccountEventData.Metainfo)230			}231			deposit1ConfirmedEvent := listener.GetNextMessageWithTimeout(t)232			if got, want := deposit1ConfirmedEvent.Type, events.IncomingTxConfirmedEvent; got != want {233				t.Errorf("Unexpected event type: wanted %s, got %s", want, got)234			}235			checkNotificationFieldsForFullyConfirmedDeposit(t,236				deposit1ConfirmedEvent.Data.(*wallettypes.TxNotification), deposit1)237		})238	})239	runSubtest(t, "ParallelListeners", func(t *testing.T) {240		seq := env.WebsocketListeners[0].LastSeq + 1241		listener1, err := env.NewWebsocketListener(seq)242		if err != nil {243			t.Fatalf("Failed to connect websocket event listener %v", err)244		}245		listener2, err := env.NewWebsocketListener(seq)246		if err != nil {247			t.Fatalf("Failed to connect websocket event listener %v", err)248		}249		account := testGenerateClientWalletWithMetainfo(t, env, initialTestMetainfo, seq)250		event1 := listener1.GetNextMessageWithTimeout(t)251		event2 := listener2.GetNextMessageWithTimeout(t)252		if event1.Seq != seq {253			t.Errorf("Expected next notification seqnum be %d, but it is %d",254				seq, event1.Seq)255		}256		if got, want := event1.Type, events.NewAddressEvent; got != want {257			t.Errorf("Unexpected event type for new wallet generation, wanted %s, got %s:",258				want, got)259		}260		data := event1.Data.(*wallet.Account)261		if got, want := data.Address, account.Address; got != want {262			t.Errorf("Expected address from WS notification to be equal "+263				"to address from API response (%s), but instead got %s",264				want, got)265		}266		compareMetainfo(t, data.Metainfo, initialTestMetainfo)267		if !reflect.DeepEqual(event1, event2) {268			t.Errorf("Expected notifications from 2 websocket listeners to be"+269				"identical, but they are %v %v", event1, event2)270		}271		listener1.Stop()272		listener2.Stop()273		env.WebsocketListeners = []*testenv.WebsocketListener{env.WebsocketListeners[0]}274	})275}276func testGetEvents(t *testing.T, env *testenv.TestEnvironment) {277	var lastSeq int278	runSubtest(t, "ExistingEvents", func(t *testing.T) {279		evts, err := env.ProcessingClient.GetEvents(0)280		if err != nil {281			t.Fatalf("API call /get_events with seq 0 failed: %v", err)282		}283		if len(evts) == 0 {284			t.Fatal("Expected /get_events call to return some existing " +285				"events, instead got nothing")286		}287		lastSeq = evts[len(evts)-1].Seq288	})289	runSubtest(t, "GetEventsFromSeq", func(t *testing.T) {290		seq := lastSeq - 10291		evts, err := env.ProcessingClient.GetEvents(seq)292		if err != nil {293			t.Fatalf("API call /get_events with seq %d failed: %v", seq, err)294		}295		if len(evts) == 0 {296			t.Fatal("Expected /get_events call to return some events, " +297				"instead got nothing")298		}299		if evts[0].Seq < seq {300			t.Errorf("Expected event requested from seq to have seq >= %d, "+301				"but received %d", seq, evts[0].Seq)302		}303	})304	runSubtest(t, "NewEvent", func(t *testing.T) {305		seq := lastSeq + 1306		account := testGenerateClientWalletWithMetainfo(t, env, initialTestMetainfo, seq)307		evts, err := env.ProcessingClient.GetEvents(seq)308		if err != nil {309			t.Fatalf("API call /get_events with seq %d failed: %v",310				seq, err)311		}312		if len(evts) == 0 {313			t.Fatal("Expected /get_events call to return new event, instead " +314				"got nothing")315		}316		event := evts[0]317		if event.Seq != seq {318			t.Errorf("Expected next notification seqnum be %d, but it is %d",319				seq, event.Seq)320		}321		if got, want := event.Type, events.NewAddressEvent; got != want {...

WebSocket.go

Source:WebSocket.go

...69}70func GetNs() *neffos.Server {71	return Ns72}73//var Events = websocket.Namespaces{74//	namespace : websocket.Events{75//		websocket.OnNamespaceConnect: func(nsConn *websocket.NSConn, msg websocket.Message) error {76//			// with `websocket.GetContext` you can retrieve the Iris' `Context`.77//			ctx := websocket.GetContext(nsConn.Conn)78//79//			log.Printf("[%s] connected to namespace [%s] with IP [%s]",80//				nsConn, msg.Namespace,81//				ctx.RemoteAddr())82//			return nil83//		},84//85//		websocket.OnNamespaceDisconnect: func(nsConn *websocket.NSConn, msg websocket.Message) error {86//			log.Printf("[%s] disconnected from namespace [%s]", nsConn, msg.Namespace)87//			return nil88//		},89//90//		"chat" : func(nsConn *neffos.NSConn, msg neffos.Message) error {91//			// room.String() returns -> NSConn.String() returns -> Conn.String() returns -> Conn.ID()92//			log.Printf("[%s] sent: %s", nsConn, string(msg.Body))93//94//			// Write message back to the client message owner with:95//			// nsConn.Emit("chat", msg)96//			// Write message to all except this client with:97//			nsConn.Conn.Server().Broadcast(nsConn, NsMessage)98//			nsConn.Conn.Write(NsMessage)99//			return nil100//		},101//	},102//}103//var Events = websocket.Events{104//	websocket.OnNativeMessage: func(nsConn *websocket.NSConn, msg websocket.Message) error {105//		log.Printf("Server got: %s from [%s]", msg.Body, nsConn.Conn.ID())106//		nsConn.Conn.Server().Broadcast(nsConn, msg)107//		return nil108//	},109//	"OnConnect" : func(conn *neffos.NSConn, message neffos.Message) error {110//		log.Printf("[%s] Connected to server!", c.ID())111//		return nil112//	},113//	"OnDisconnect" : func(conn *neffos.NSConn, message neffos.Message) error {114//		log.Printf("[%s] Disconnected from server", c.ID())115//		return nil116//	},117//}118// å¦æå¯å¨ yaag éè¦å³é å¦åå¨ yaag åªéä¼è¿è¡æ¥é119//func WebSocketServer() *neffos.Server {120	//var Events = websocket.Events{121	//	websocket.OnNativeMessage: func(nsConn *websocket.NSConn, msg websocket.Message) error {122	//		log.Printf("Server got: %s from [%s]", msg.Body, nsConn.Conn.ID())123	//		nsConn.Conn.Server().Broadcast(nsConn, msg)124	//		return nil125	//	},126	//}127	//Ns = websocket.New(websocket.DefaultGobwasUpgrader, Events)128	//Ns.OnConnect = func(c *neffos.Conn) error {129	//	log.Printf("[%s] Connected to server!", c.ID())130	//	return nil131	//}132	//133	//Ns.OnDisconnect = func(c *neffos.Conn) {134	//	log.Printf("[%s] Disconnected from server", c.ID())135	//}136	//return Ns137//}138//func GetNs() *neffos.Server {139//	return Ns140//}141//...

websocket_listener.go

Source:websocket_listener.go

1package testenv2import (3	"log"4	"testing"5	"time"6	"github.com/onederx/bitcoin-processing/api/client"7	"github.com/onederx/bitcoin-processing/events"8)9type WebsocketListener struct {10	wsClient *client.WebsocketClient11	stopped  bool12	messages chan *events.NotificationWithSeq13	LastSeq int14}15func (e *TestEnvironment) NewWebsocketListener(startSeq int) (*WebsocketListener, error) {16	listener := &WebsocketListener{17		messages: make(chan *events.NotificationWithSeq, listenersMessageQueueSize),18	}19	wsClient, err := e.ProcessingClient.NewWebsocketClient(20		startSeq, listener.processMessage,21	)22	if err != nil {23		return nil, err24	}25	listener.wsClient = wsClient26	e.WebsocketListeners = append(e.WebsocketListeners, listener)27	return listener, nil28}29func (l *WebsocketListener) processMessage(message *events.NotificationWithSeq) {30	l.LastSeq = message.Seq31	l.messages <- message32}33func (l *WebsocketListener) Stop() {34	if l.stopped {35		log.Println("Websocket listener stop called on already stopped listener")36		return37	}38	l.wsClient.Close()39	l.wsClient = nil40	close(l.messages)41	log.Printf("Websocket listener stopped")42}43func (l *WebsocketListener) GetNextMessageWithTimeout(t *testing.T) *events.NotificationWithSeq {44	select {45	case msg := <-l.messages:46		return msg47	case <-time.After(listenersMessageWaitTimeout):48		t.Fatal("No message arrived before timeout")49	}50	return nil51}...

Events

Using AI Code Generation

1import (2var upgrader = websocket.Upgrader{3}4func main() {5    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {6        conn, err := upgrader.Upgrade(w, r, nil)7        if err != nil {8            log.Println(err)9        }10        for {11            messageType, p, err := conn.ReadMessage()12            if err != nil {13                log.Println(err)14            }15            fmt.Println(string(p))16            if err := conn.WriteMessage(messageType, p); err != nil {17                log.Println(err)18            }19        }20    })21    http.ListenAndServe(":8080", nil)22}23        ws.onopen = function (event) {24            console.log("connected");25            ws.send("Hello");26        };27        ws.onmessage = function (event) {28            console.log(event.data);29        };

Events

Using AI Code Generation

1import (2var upgrader = websocket.Upgrader{3}4func main() {5    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {6        upgrader.CheckOrigin = func(r *http.Request) bool { return true }7        ws, _ := upgrader.Upgrade(w, r, nil)8        for {9            messageType, p, err := ws.ReadMessage()10            if err != nil {11            }12            fmt.Println(string(p))13            if err := ws.WriteMessage(messageType, p); err != nil {14            }15        }16    })17    http.ListenAndServe(":8080", nil)18}19import (20var upgrader = websocket.Upgrader{21}22func main() {23    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {24        upgrader.CheckOrigin = func(r *http.Request) bool { return true }25        ws, _ := upgrader.Upgrade(w, r, nil)26        for {27            messageType, p, err := ws.ReadMessage()28            if err != nil {29            }30            fmt.Println(string(p))31            if err := ws.WriteMessage(messageType, p); err != nil {32            }33        }34    })35    http.ListenAndServe(":8080", nil)36}37import (38var upgrader = websocket.Upgrader{39}40func main() {41    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {42        upgrader.CheckOrigin = func(r *http.Request) bool { return true }43        ws, _ := upgrader.Upgrade(w, r, nil)44        for {

Events

Using AI Code Generation

1import (2func main() {3    u := url.URL{Scheme: "ws", Host: "localhost:8080", Path: "/"}4    fmt.Println("connecting to ", u.String())5    c, _, err := websocket.DefaultDialer.Dial(u.String(), nil)6    if err != nil {7        fmt.Println("Error in connection")8    }9    defer c.Close()10    done := make(chan struct{})11    go func() {12        defer close(done)13        for {14            _, message, err := c.ReadMessage()15            if err != nil {16                fmt.Println("Error in reading message")17            }18            fmt.Println("Message received: ", string(message))19        }20    }()21    ticker := time.NewTicker(time.Second)22    defer ticker.Stop()23    for {24        select {25            err := c.WriteMessage(websocket.TextMessage, []byte(t.String()))26            if err != nil {27                fmt.Println("Error in writing message")28            }29        }30    }31}

Events

Using AI Code Generation

1import (2func main() {3    if err != nil {4        fmt.Println("Error in dialing. ", err)5    }6    for {7        err = websocket.Message.Receive(ws, &msg)8        if err != nil {9            fmt.Println("Can't receive. ", err)10        }11        fmt.Println("Received back from server: " + msg)12    }13}

Events

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {4		http.ServeFile(w, r, "index.html")5	})6	http.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {7		conn, err := (&websocket.Upgrader{CheckOrigin: func(r *http.Request) bool { return true }}).Upgrade(w, r, nil)8		if err != nil {9			log.Println(err)10		}11		defer conn.Close()12		for {13			mt, msg, err := conn.ReadMessage()14			if err != nil {15				log.Println(err)16			}17			log.Printf("recv: %s", msg)18			err = conn.WriteMessage(mt, msg)19			if err != nil {20				log.Println(err)21			}22		}23	})24	log.Println("Listening...")25	http.ListenAndServe(":8080", nil)26}27			ws.onopen = function() {28				ws.send("Hello, world!")29			}30			ws.onmessage = function (evt) {31				alert("Message is received...")32			}33			ws.onclose = function() {34				alert("Connection is closed...")35			}

Events

Using AI Code Generation

1import (2func main() {3	ws, err := websocket.Dial(url, "", origin)4	if err != nil {5		log.Fatal(err)6	}7	fmt.Println("Connected to server")8	for {9		var msg = make([]byte, 512)10		if n, err = ws.Read(msg); err != nil {11			log.Fatal(err)12		}13		fmt.Println("Sending to client: " + reply)14		if m, err = ws.Write([]byte(reply)); err != nil {15			log.Fatal(err)16		}17	}18}19import (20func main() {21	ws, err := websocket.Dial(url, "", origin)22	if err != nil {23		log.Fatal(err)24	}25	fmt.Println("Connected to server")26	for {27		var msg = make([]byte, 512)28		if n, err = ws.Read(msg); err != nil {29			log.Fatal(err)30		}31		fmt.Println("Sending to client: " + reply)32		if m, err = ws.Write([]byte(reply)); err != nil {33			log.Fatal(err)34		}35	}36}37import (38func main() {39	ws, err := websocket.Dial(url, "", origin)40	if err != nil {41		log.Fatal(err)42	}43	fmt.Println("Connected to server")44	for {45		var msg = make([]byte,

Events

Using AI Code Generation

1import (2func main() {3    log.Println("Connecting to server...")4    if err != nil {5        log.Fatal("Dial:", err)6    }7    defer c.Close()8    for {9        _, message, err := c.ReadMessage()10        if err != nil {11            log.Println("read:", err)12        }13        fmt.Printf("recv: %s14    }15}16import (17func main() {18    log.Println("Connecting to server...")19    if err != nil {20        log.Fatal("Dial:", err)21    }22    defer c.Close()23    for {24        _, message, err := c.ReadMessage()25        if err != nil {26            log.Println("read:", err)27        }28        fmt.Printf("recv: %s29    }30}31import (32func main() {33    log.Println("Connecting to server...")34    if err != nil {35        log.Fatal("Dial:", err)36    }37    defer c.Close()38    for {39        _, message, err := c.ReadMessage()40        if err != nil {41            log.Println("read:", err)42        }43        fmt.Printf("recv: %s44    }45}46import (47func main() {48    log.Println("Connecting to server...")

Events

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {4		ws, err := websocket.Upgrade(w, r, nil, 1024, 1024)5		if _, ok := err.(websocket.HandshakeError); ok {6			http.Error(w, "Not a websocket handshake", 400)7		} else if err != nil {8		}9		for {10			_, p, err := ws.ReadMessage()11			if err != nil {12			}13			fmt.Println(string(p))14		}15	})16	go func() {17		for {18			time.Sleep(1 * time.Second)19			fmt.Println("Hello")20		}21	}()22	log.Fatal(http.ListenAndServe(":8080", nil))23}24import (25func main() {26	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {27		ws, err := websocket.Upgrade(w, r, nil, 1024, 1024)28		if _, ok := err.(websocket.HandshakeError); ok {29			http.Error(w, "Not a websocket handshake", 400)30		} else if err != nil {31		}32		for {33			_, p, err := ws.ReadMessage()34			if err != nil {35			}36			fmt.Println(string(p))37		}38	})39	go func() {40		for {41			time.Sleep(1 * time.Second)42			fmt.Println("Hello")43		}44	}()45	log.Fatal(http.ListenAndServe(":8080", nil))46}47import (

Events

Using AI Code Generation

1import (2func main() {3    u := url.URL{Scheme: "ws", Host: "localhost:8080", Path: "/ws"}4    c, _, err := websocket.DefaultDialer.Dial(u.String(), nil)5    if err != nil {6        fmt.Println("Error in Dialing:", err)7    }8    defer c.Close()9    interrupt := make(chan os.Signal, 1)10    signal.Notify(interrupt, os.Interrupt, syscall.SIGTERM)11    done := make(chan struct{})12    go func() {13        defer close(done)14        for {15            _, message, err := c.ReadMessage()16            if err != nil {17                fmt.Println("Error in ReadMessage:", err)18            }19            fmt.Printf("recv: %s20        }21    }()22    ticker := time.NewTicker(time.Second)23    defer ticker.Stop()24    for {25        select {26            err := c.WriteMessage(websocket.TextMessage, []byte(t.String()))27            if err != nil {28                fmt.Println("Error in WriteMessage:", err)29            }30            fmt.Println("interrupt")31            err := c.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))32            if err != nil {33                fmt.Println("Error in WriteMessage:", err)34            }35            select {36            case <-time.After(time.Second):37            }38        }39    }40}41import (42func main() {

Events

Using AI Code Generation

1import (2func main() {3	dialer := websocket.Dialer{}4	if err != nil {5		panic(err)6	}7	defer conn.Close()8	err = conn.WriteMessage(websocket.TextMessage, []byte("Hello, world!"))9	if err != nil {10		panic(err)11	}12	_, msg, err := conn.ReadMessage()13	if err != nil {14		panic(err)15	}16	fmt.Println(string(msg))17}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.