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K6
ws
assertSessionMetricsEmitted

How to use assertSessionMetricsEmitted method of ws Package

Best K6 code snippet using ws.assertSessionMetricsEmitted

ws_test.go

Source:ws_test.go

...35	"github.com/luckybroman5/http-log-reconstructor/k6/lib/testutils/httpmultibin"36	"github.com/luckybroman5/http-log-reconstructor/k6/stats"37	"github.com/stretchr/testify/assert"38)39func assertSessionMetricsEmitted(t *testing.T, sampleContainers []stats.SampleContainer, subprotocol, url string, status int, group string) {40	seenSessions := false41	seenSessionDuration := false42	seenConnecting := false43	for _, sampleContainer := range sampleContainers {44		for _, sample := range sampleContainer.GetSamples() {45			tags := sample.Tags.CloneTags()46			if tags["url"] == url {47				switch sample.Metric {48				case metrics.WSConnecting:49					seenConnecting = true50				case metrics.WSSessionDuration:51					seenSessionDuration = true52				case metrics.WSSessions:53					seenSessions = true54				}55				assert.Equal(t, strconv.Itoa(status), tags["status"])56				assert.Equal(t, subprotocol, tags["subproto"])57				assert.Equal(t, group, tags["group"])58			}59		}60	}61	assert.True(t, seenConnecting, "url %s didn't emit Connecting", url)62	assert.True(t, seenSessions, "url %s didn't emit Sessions", url)63	assert.True(t, seenSessionDuration, "url %s didn't emit SessionDuration", url)64}65func assertMetricEmitted(t *testing.T, metric *stats.Metric, sampleContainers []stats.SampleContainer, url string) {66	seenMetric := false67	for _, sampleContainer := range sampleContainers {68		for _, sample := range sampleContainer.GetSamples() {69			surl, ok := sample.Tags.Get("url")70			assert.True(t, ok)71			if surl == url {72				if sample.Metric == metric {73					seenMetric = true74				}75			}76		}77	}78	assert.True(t, seenMetric, "url %s didn't emit %s", url, metric.Name)79}80func TestSession(t *testing.T) {81	//TODO: split and paralelize tests82	t.Parallel()83	tb := httpmultibin.NewHTTPMultiBin(t)84	defer tb.Cleanup()85	sr := tb.Replacer.Replace86	root, err := lib.NewGroup("", nil)87	assert.NoError(t, err)88	rt := goja.New()89	rt.SetFieldNameMapper(common.FieldNameMapper{})90	samples := make(chan stats.SampleContainer, 1000)91	state := &lib.State{92		Group:  root,93		Dialer: tb.Dialer,94		Options: lib.Options{95			SystemTags: stats.NewSystemTagSet(96				stats.TagURL,97				stats.TagProto,98				stats.TagStatus,99				stats.TagSubproto,100			),101		},102		Samples:   samples,103		TLSConfig: tb.TLSClientConfig,104	}105	ctx := context.Background()106	ctx = lib.WithState(ctx, state)107	ctx = common.WithRuntime(ctx, rt)108	rt.Set("ws", common.Bind(rt, New(), &ctx))109	t.Run("connect_ws", func(t *testing.T) {110		_, err := common.RunString(rt, sr(`111		let res = ws.connect("WSBIN_URL/ws-echo", function(socket){112			socket.close()113		});114		if (res.status != 101) { throw new Error("connection failed with status: " + res.status); }115		`))116		assert.NoError(t, err)117	})118	assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-echo"), 101, "")119	t.Run("connect_wss", func(t *testing.T) {120		_, err := common.RunString(rt, sr(`121		let res = ws.connect("WSSBIN_URL/ws-echo", function(socket){122			socket.close()123		});124		if (res.status != 101) { throw new Error("TLS connection failed with status: " + res.status); }125		`))126		assert.NoError(t, err)127	})128	assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSSBIN_URL/ws-echo"), 101, "")129	t.Run("open", func(t *testing.T) {130		_, err := common.RunString(rt, sr(`131		let opened = false;132		let res = ws.connect("WSBIN_URL/ws-echo", function(socket){133			socket.on("open", function() {134				opened = true;135				socket.close()136			})137		});138		if (!opened) { throw new Error ("open event not fired"); }139		`))140		assert.NoError(t, err)141	})142	assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-echo"), 101, "")143	t.Run("send_receive", func(t *testing.T) {144		_, err := common.RunString(rt, sr(`145		let res = ws.connect("WSBIN_URL/ws-echo", function(socket){146			socket.on("open", function() {147				socket.send("test")148			})149			socket.on("message", function (data){150				if (!data=="test") {151					throw new Error ("echo'd data doesn't match our message!");152				}153				socket.close()154			});155		});156		`))157		assert.NoError(t, err)158	})159	samplesBuf := stats.GetBufferedSamples(samples)160	assertSessionMetricsEmitted(t, samplesBuf, "", sr("WSBIN_URL/ws-echo"), 101, "")161	assertMetricEmitted(t, metrics.WSMessagesSent, samplesBuf, sr("WSBIN_URL/ws-echo"))162	assertMetricEmitted(t, metrics.WSMessagesReceived, samplesBuf, sr("WSBIN_URL/ws-echo"))163	t.Run("interval", func(t *testing.T) {164		_, err := common.RunString(rt, sr(`165		let counter = 0;166		let res = ws.connect("WSBIN_URL/ws-echo", function(socket){167			socket.setInterval(function () {168				counter += 1;169				if (counter > 2) { socket.close(); }170			}, 100);171		});172		if (counter < 3) {throw new Error ("setInterval should have been called at least 3 times, counter=" + counter);}173		`))174		assert.NoError(t, err)175	})176	assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-echo"), 101, "")177	t.Run("timeout", func(t *testing.T) {178		_, err := common.RunString(rt, sr(`179		let start = new Date().getTime();180		let ellapsed = new Date().getTime() - start;181		let res = ws.connect("WSBIN_URL/ws-echo", function(socket){182			socket.setTimeout(function () {183				ellapsed = new Date().getTime() - start;184				socket.close();185			}, 500);186		});187		if (ellapsed > 3000 || ellapsed < 500) {188			throw new Error ("setTimeout occurred after " + ellapsed + "ms, expected 500<T<3000");189		}190		`))191		assert.NoError(t, err)192	})193	assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-echo"), 101, "")194	t.Run("ping", func(t *testing.T) {195		_, err := common.RunString(rt, sr(`196		let pongReceived = false;197		let res = ws.connect("WSBIN_URL/ws-echo", function(socket){198			socket.on("open", function(data) {199				socket.ping();200			});201			socket.on("pong", function() {202				pongReceived = true;203				socket.close();204			});205			socket.setTimeout(function (){socket.close();}, 3000);206		});207		if (!pongReceived) {208			throw new Error ("sent ping but didn't get pong back");209		}210		`))211		assert.NoError(t, err)212	})213	samplesBuf = stats.GetBufferedSamples(samples)214	assertSessionMetricsEmitted(t, samplesBuf, "", sr("WSBIN_URL/ws-echo"), 101, "")215	assertMetricEmitted(t, metrics.WSPing, samplesBuf, sr("WSBIN_URL/ws-echo"))216	t.Run("multiple_handlers", func(t *testing.T) {217		_, err := common.RunString(rt, sr(`218		let pongReceived = false;219		let otherPongReceived = false;220		let res = ws.connect("WSBIN_URL/ws-echo", function(socket){221			socket.on("open", function(data) {222				socket.ping();223			});224			socket.on("pong", function() {225				pongReceived = true;226				if (otherPongReceived) {227					socket.close();228				}229			});230			socket.on("pong", function() {231				otherPongReceived = true;232				if (pongReceived) {233					socket.close();234				}235			});236			socket.setTimeout(function (){socket.close();}, 3000);237		});238		if (!pongReceived || !otherPongReceived) {239			throw new Error ("sent ping but didn't get pong back");240		}241		`))242		assert.NoError(t, err)243	})244	samplesBuf = stats.GetBufferedSamples(samples)245	assertSessionMetricsEmitted(t, samplesBuf, "", sr("WSBIN_URL/ws-echo"), 101, "")246	assertMetricEmitted(t, metrics.WSPing, samplesBuf, sr("WSBIN_URL/ws-echo"))247	t.Run("client_close", func(t *testing.T) {248		_, err := common.RunString(rt, sr(`249		let closed = false;250		let res = ws.connect("WSBIN_URL/ws-echo", function(socket){251			socket.on("open", function() {252							socket.close()253			})254			socket.on("close", function() {255							closed = true;256			})257		});258		if (!closed) { throw new Error ("close event not fired"); }259		`))260		assert.NoError(t, err)261	})262	assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-echo"), 101, "")263	serverCloseTests := []struct {264		name     string265		endpoint string266	}{267		{"server_close_ok", "/ws-echo"},268		// Ensure we correctly handle invalid WS server269		// implementations that close the connection prematurely270		// without sending a close control frame first.271		{"server_close_invalid", "/ws-close-invalid"},272	}273	for _, tc := range serverCloseTests {274		tc := tc275		t.Run(tc.name, func(t *testing.T) {276			_, err := common.RunString(rt, sr(fmt.Sprintf(`277			let closed = false;278			let res = ws.connect("WSBIN_URL%s", function(socket){279				socket.on("open", function() {280					socket.send("test");281				})282				socket.on("close", function() {283					closed = true;284				})285			});286			if (!closed) { throw new Error ("close event not fired"); }287			`, tc.endpoint)))288			assert.NoError(t, err)289		})290	}291}292func TestErrors(t *testing.T) {293	t.Parallel()294	tb := httpmultibin.NewHTTPMultiBin(t)295	defer tb.Cleanup()296	sr := tb.Replacer.Replace297	root, err := lib.NewGroup("", nil)298	assert.NoError(t, err)299	rt := goja.New()300	rt.SetFieldNameMapper(common.FieldNameMapper{})301	samples := make(chan stats.SampleContainer, 1000)302	state := &lib.State{303		Group:  root,304		Dialer: tb.Dialer,305		Options: lib.Options{306			SystemTags: &stats.DefaultSystemTagSet,307		},308		Samples: samples,309	}310	ctx := context.Background()311	ctx = lib.WithState(ctx, state)312	ctx = common.WithRuntime(ctx, rt)313	rt.Set("ws", common.Bind(rt, New(), &ctx))314	t.Run("invalid_url", func(t *testing.T) {315		_, err := common.RunString(rt, `316		let res = ws.connect("INVALID", function(socket){317			socket.on("open", function() {318				socket.close();319			});320		});321		`)322		assert.Error(t, err)323	})324	t.Run("invalid_url_message_panic", func(t *testing.T) {325		// Attempting to send a message to a non-existent socket shouldn't panic326		_, err := common.RunString(rt, `327		let res = ws.connect("INVALID", function(socket){328			socket.send("new message");329		});330		`)331		assert.Error(t, err)332	})333	t.Run("error_in_setup", func(t *testing.T) {334		_, err := common.RunString(rt, sr(`335		let res = ws.connect("WSBIN_URL/ws-echo-invalid", function(socket){336			throw new Error("error in setup");337		});338		`))339		assert.Error(t, err)340	})341	t.Run("send_after_close", func(t *testing.T) {342		_, err := common.RunString(rt, sr(`343		let hasError = false;344		let res = ws.connect("WSBIN_URL/ws-echo-invalid", function(socket){345			socket.on("open", function() {346				socket.close();347				socket.send("test");348			});349			socket.on("error", function(errorEvent) {350				hasError = true;351			});352		});353		if (!hasError) {354			throw new Error ("no error emitted for send after close");355		}356		`))357		assert.NoError(t, err)358		assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-echo-invalid"), 101, "")359	})360	t.Run("error on close", func(t *testing.T) {361		_, err := common.RunString(rt, sr(`362		var closed = false;363		let res = ws.connect("WSBIN_URL/ws-close", function(socket){364			socket.on('open', function open() {365				socket.setInterval(function timeout() {366				  socket.ping();367				}, 1000);368			});369			socket.on("ping", function() {370				socket.close();371			});372			socket.on("error", function(errorEvent) {373				if (errorEvent == null) {374					throw new Error(JSON.stringify(errorEvent));375				}376				if (!closed) {377					closed = true;378				    socket.close();379				}380			});381		});382		`))383		assert.NoError(t, err)384		assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSBIN_URL/ws-close"), 101, "")385	})386}387func TestSystemTags(t *testing.T) {388	tb := httpmultibin.NewHTTPMultiBin(t)389	defer tb.Cleanup()390	sr := tb.Replacer.Replace391	root, err := lib.NewGroup("", nil)392	assert.NoError(t, err)393	rt := goja.New()394	rt.SetFieldNameMapper(common.FieldNameMapper{})395	//TODO: test for actual tag values after removing the dependency on the396	// external service demos.kaazing.com (https://github.com/luckybroman5/http-log-reconstructor/k6/issues/537)397	testedSystemTags := []string{"group", "status", "subproto", "url", "ip"}398	samples := make(chan stats.SampleContainer, 1000)399	state := &lib.State{400		Group:     root,401		Dialer:    tb.Dialer,402		Options:   lib.Options{SystemTags: stats.ToSystemTagSet(testedSystemTags)},403		Samples:   samples,404		TLSConfig: tb.TLSClientConfig,405	}406	ctx := context.Background()407	ctx = lib.WithState(ctx, state)408	ctx = common.WithRuntime(ctx, rt)409	rt.Set("ws", common.Bind(rt, New(), &ctx))410	for _, expectedTag := range testedSystemTags {411		expectedTag := expectedTag412		t.Run("only "+expectedTag, func(t *testing.T) {413			state.Options.SystemTags = stats.ToSystemTagSet([]string{expectedTag})414			_, err := common.RunString(rt, sr(`415			let res = ws.connect("WSBIN_URL/ws-echo", function(socket){416				socket.on("open", function() {417					socket.send("test")418				})419				socket.on("message", function (data){420					if (!data=="test") {421						throw new Error ("echo'd data doesn't match our message!");422					}423					socket.close()424				});425			});426			`))427			assert.NoError(t, err)428			for _, sampleContainer := range stats.GetBufferedSamples(samples) {429				for _, sample := range sampleContainer.GetSamples() {430					for emittedTag := range sample.Tags.CloneTags() {431						assert.Equal(t, expectedTag, emittedTag)432					}433				}434			}435		})436	}437}438func TestTLSConfig(t *testing.T) {439	root, err := lib.NewGroup("", nil)440	assert.NoError(t, err)441	tb := httpmultibin.NewHTTPMultiBin(t)442	defer tb.Cleanup()443	sr := tb.Replacer.Replace444	rt := goja.New()445	rt.SetFieldNameMapper(common.FieldNameMapper{})446	samples := make(chan stats.SampleContainer, 1000)447	state := &lib.State{448		Group:  root,449		Dialer: tb.Dialer,450		Options: lib.Options{451			SystemTags: stats.NewSystemTagSet(452				stats.TagURL,453				stats.TagProto,454				stats.TagStatus,455				stats.TagSubproto,456				stats.TagIP,457			),458		},459		Samples: samples,460	}461	ctx := context.Background()462	ctx = lib.WithState(ctx, state)463	ctx = common.WithRuntime(ctx, rt)464	rt.Set("ws", common.Bind(rt, New(), &ctx))465	t.Run("insecure skip verify", func(t *testing.T) {466		state.TLSConfig = &tls.Config{467			InsecureSkipVerify: true,468		}469		_, err := common.RunString(rt, sr(`470		let res = ws.connect("WSSBIN_URL/ws-close", function(socket){471			socket.close()472		});473		if (res.status != 101) { throw new Error("TLS connection failed with status: " + res.status); }474		`))475		assert.NoError(t, err)476	})477	assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSSBIN_URL/ws-close"), 101, "")478	t.Run("custom certificates", func(t *testing.T) {479		state.TLSConfig = tb.TLSClientConfig480		_, err := common.RunString(rt, sr(`481			let res = ws.connect("WSSBIN_URL/ws-close", function(socket){482				socket.close()483			});484			if (res.status != 101) {485				throw new Error("TLS connection failed with status: " + res.status);486			}487		`))488		assert.NoError(t, err)489	})490	assertSessionMetricsEmitted(t, stats.GetBufferedSamples(samples), "", sr("WSSBIN_URL/ws-close"), 101, "")491}492func TestReadPump(t *testing.T) {493	var closeCode int494	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {495		conn, err := (&websocket.Upgrader{}).Upgrade(w, r, w.Header())496		assert.NoError(t, err)497		closeMsg := websocket.FormatCloseMessage(closeCode, "")498		_ = conn.WriteControl(websocket.CloseMessage, closeMsg, time.Now().Add(time.Second))499	}))500	defer srv.Close()501	closeCodes := []int{websocket.CloseNormalClosure, websocket.CloseGoingAway, websocket.CloseInternalServerErr}502	numAsserts := 0503	srvURL := "ws://" + srv.Listener.Addr().String()504	// Ensure readPump returns the response close code sent by the server...

assertSessionMetricsEmitted

Using AI Code Generation

1import (2var (3func TestMain(m *testing.M) {4	service, err = selenium.NewChromeDriverService("/home/abhishek/Desktop/chromedriver", port)5	if err != nil {6		log.Fatal(err)7	}8	defer service.Stop()9	caps := selenium.Capabilities{"browserName": "chrome"}10	if err != nil {11		log.Fatal(err)12	}13	defer wd.Quit()14	code := m.Run()15	os.Exit(code)16}17func TestWeb(t *testing.T) {18		t.Fatal(err)19	}20	elem, err := wd.FindElement(selenium.ByCSSSelector, "#lst-ib")21	if err != nil {22		t.Fatal(err)23	}24	if err := elem.SendKeys("selenium"); err != nil {25		t.Fatal(err)26	}27	if err := elem.Submit(); err != nil {28		t.Fatal(err)29	}30	if err := wd.WaitWithTimeout(selenium.Condition("selenium != null"), 10*time.Second); err != nil {31		t.Fatal(err)32	}33	title, err := wd.Title()34	if err != nil {35		t.Fatal(err)36	}37	if !strings.HasPrefix(title, "selenium") {38		t.Fatalf("got title %q, want %q", title, "selenium")

assertSessionMetricsEmitted

Using AI Code Generation

1import (2func TestGet(t *testing.T) {3    ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {4        fmt.Fprintln(w, "Hello, client")5    }))6    defer ts.Close()7    res, err := http.Get(ts.URL)8    if err != nil {9        t.Fatal(err)10    }11    defer res.Body.Close()12    if res.StatusCode != http.StatusOK {13        t.Fatalf("status code error: %d %s", res.StatusCode, res.Status)14    }15    body, err := ioutil.ReadAll(res.Body)16    if err != nil {17        t.Fatal(err)18    }19    fmt.Printf("%s20}

assertSessionMetricsEmitted

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {4		conn, err := (&websocket.Upgrader{CheckOrigin: func(r *http.Request) bool { return true }}).Upgrade(w, r, nil)5		if err != nil {6			log.Println(err)7		}8		defer conn.Close()9		for {10			_, message, err := conn.ReadMessage()11			if err != nil {12				log.Println(err)13			}14			log.Printf("recv: %s", message)15		}16	})17	go http.ListenAndServe(addr, nil)18	time.Sleep(time.Second)19	log.Printf("connecting to %s", u)20	c, _, err := websocket.DefaultDialer.Dial(u, nil)21	if err != nil {22		log.Fatal("dial:", err)23	}24	defer c.Close()25	err = c.WriteMessage(websocket.TextMessage, []byte("hello"))26	if err != nil {27		log.Println("write:", err)28	}29	_, message, err := c.ReadMessage()30	if err != nil {31		log.Println("read:", err)32	}33	log.Printf("recv: %s", message)34}35import (36func main() {37	http.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {38		conn, err := (&websocket.Upgrader{CheckOrigin: func(r *http.Request) bool { return true }}).Upgrade(w, r, nil)39		if err != nil {40			log.Println(err)41		}42		defer conn.Close()43		for {44			_, message, err := conn.ReadMessage()45			if err != nil {46				log.Println(err)47			}48			log.Printf("recv: %s", message)49		}50	})51	go http.ListenAndServe(addr, nil)52	time.Sleep(time.Second

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