How to use SetResponseCallback method of http Package

Best K6 code snippet using http.SetResponseCallback

response_callback.go

Source:response_callback.go

...29var defaultExpectedStatuses = expectedStatuses{30	minmax: [][2]int{{200, 399}},31}32// expectedStatuses is specifically totally unexported so it can't be used for anything else but33// SetResponseCallback and nothing can be done from the js side to modify it or make an instance of34// it except using ExpectedStatuses35type expectedStatuses struct {36	minmax [][2]int37	exact  []int38}39func (e expectedStatuses) match(status int) bool {40	for _, v := range e.exact {41		if v == status {42			return true43		}44	}45	for _, v := range e.minmax {46		if v[0] <= status && status <= v[1] {47			return true48		}49	}50	return false51}52// ExpectedStatuses returns expectedStatuses object based on the provided arguments.53// The arguments must be either integers or object of `{min: <integer>, max: <integer>}`54// kind. The "integer"ness is checked by the Number.isInteger.55func (*HTTP) ExpectedStatuses(ctx context.Context, args ...goja.Value) *expectedStatuses { //nolint: golint56	rt := common.GetRuntime(ctx)57	if len(args) == 0 {58		common.Throw(rt, errors.New("no arguments"))59	}60	var result expectedStatuses61	jsIsInt, _ := goja.AssertFunction(rt.GlobalObject().Get("Number").ToObject(rt).Get("isInteger"))62	isInt := func(a goja.Value) bool {63		v, err := jsIsInt(goja.Undefined(), a)64		return err == nil && v.ToBoolean()65	}66	errMsg := "argument number %d to expectedStatuses was neither an integer nor an object like {min:100, max:329}"67	for i, arg := range args {68		o := arg.ToObject(rt)69		if o == nil {70			common.Throw(rt, fmt.Errorf(errMsg, i+1))71		}72		if isInt(arg) {73			result.exact = append(result.exact, int(o.ToInteger()))74		} else {75			min := o.Get("min")76			max := o.Get("max")77			if min == nil || max == nil {78				common.Throw(rt, fmt.Errorf(errMsg, i+1))79			}80			if !(isInt(min) && isInt(max)) {81				common.Throw(rt, fmt.Errorf("both min and max need to be integers for argument number %d", i+1))82			}83			result.minmax = append(result.minmax, [2]int{int(min.ToInteger()), int(max.ToInteger())})84		}85	}86	return &result87}88// SetResponseCallback sets the responseCallback to the value provided. Supported values are89// expectedStatuses object or a `null` which means that metrics shouldn't be tagged as failed and90// `http_req_failed` should not be emitted - the behaviour previous to this91func (h *HTTP) SetResponseCallback(ctx context.Context, val goja.Value) {92	if val != nil && !goja.IsNull(val) {93		// This is done this way as ExportTo exports functions to empty structs without an error94		if es, ok := val.Export().(*expectedStatuses); ok {95			h.responseCallback = es.match96		} else {97			//nolint:golint98			common.Throw(common.GetRuntime(ctx), fmt.Errorf("unsupported argument, expected http.expectedStatuses"))99		}100	} else {101		h.responseCallback = nil102	}103}...

client.go

Source:client.go

...8// interface isolation to ClientBase9type Client interface {10	// SetRequestCallback is called before request11	SetRequestCallback(callback func(r *colly.Request))12	// SetResponseCallback is called after response13	SetResponseCallback(callback func(r *colly.Response))14	// Visit a website15	Visit(link string) error16	// Post method, visit a website17	Post(link string, requestData map[string]string) error18	// SyncVisit url after setting corresponding request and response19	SyncVisit(link string) (*colly.Response, error)20	// SyncPostRaw post raw data, can be used in posting multipart21	SyncPostRaw(link string, body []byte) (*colly.Response, error)22}23// ClientBase is used to implement client operations24type ClientBase interface {25	Client26	SetCookies(cookies []*http.Cookie) error27	Cookies() []*http.Cookie28	// CloneBase a new ClientBase29	CloneBase(ClientBase) ClientBase30	// Reset clear all req and resp func31	// also call this func to init a client32	Reset()33}34type ClientBaseImpl struct {35	child     ClientBase36	collector *colly.Collector37	domain    *url.URL38}39// NewClientBase return a new ClientBase, called by constructor of child Client40func NewClientBase(child ClientBase, link string) (ClientBase, error) {41	client := &ClientBaseImpl{}42	client.collector = colly.NewCollector(43		colly.UserAgent("Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 UBrowser/6.2.4098.3 Safari/537.36"),44		colly.AllowURLRevisit(),45	)46	var err error47	client.domain, err = url.Parse(link)48	if err != nil {49		return nil, err50	}51	client.child = child52	return client, nil53}54// SetRequestCallback is called before request55func (c *ClientBaseImpl) SetRequestCallback(callback func(r *colly.Request)) {56	c.collector.OnRequest(callback)57}58// SetResponseCallback is called after response59func (c *ClientBaseImpl) SetResponseCallback(callback func(r *colly.Response)) {60	c.collector.OnResponse(callback)61}62func (c *ClientBaseImpl) Visit(link string) error {63	defer c.child.Reset()64	return c.collector.Visit(MustGetAbsoluteURL(c.domain, link))65}66func (c *ClientBaseImpl) Post(link string, requestData map[string]string) error {67	defer c.child.Reset()68	return c.collector.Post(MustGetAbsoluteURL(c.domain, link), requestData)69}70func (c *ClientBaseImpl) SyncVisit(link string) (*colly.Response, error) {71	var resp *colly.Response72	c.child.SetResponseCallback(func(r *colly.Response) {73		resp = r74	})75	if err := c.child.Visit(link); err != nil {76		return nil, err77	}78	return resp, nil79}80func (c *ClientBaseImpl) SyncPostRaw(link string, body []byte) (*colly.Response, error) {81	var resp *colly.Response82	c.child.SetResponseCallback(func(r *colly.Response) {83		resp = r84	})85	defer c.child.Reset()86	if err := c.collector.PostRaw(MustGetAbsoluteURL(c.domain, link), body); err != nil {87		return nil, err88	}89	return resp, nil90}91func (c *ClientBaseImpl) SetCookies(cookies []*http.Cookie) error {92	absURL := MustGetAbsoluteURL(c.domain, "/")93	return c.collector.SetCookies(absURL, cookies)94}95func (c *ClientBaseImpl) Cookies() []*http.Cookie {96	absoluteURL := MustGetAbsoluteURL(c.domain, "/")...

SetResponseCallback

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", handler)4	http.ListenAndServe(":8080", nil)5}6func handler(w http.ResponseWriter, r *http.Request) {7	w.Header().Set("Content-Type", "text/html; charset=utf-8")8	w.Header().Set("Set-Cookie", "name=abc")9	fmt.Fprintln(w, "Hello World!")10}11import (12func main() {13	http.HandleFunc("/", handler)14	http.ListenAndServe(":8080", nil)15}16func handler(w http.ResponseWriter, r *http.Request) {17	w.Header().Set("Content-Type", "text/html; charset=utf-8")18	w.Header().Set("Set-Cookie", "name=abc")19	fmt.Fprintln(w, "Hello World!")20}21import (22func main() {23	http.HandleFunc("/", handler)24	http.ListenAndServe(":8080", nil)25}26func handler(w http.ResponseWriter, r *http.Request) {27	w.Header().Set("Content-Type", "text/html; charset=utf-8")28	w.Header().Set("Set-Cookie", "name=abc")29	fmt.Fprintln(w, "Hello World!")30}31import (32func main() {33	http.HandleFunc("/", handler)34	http.ListenAndServe(":8080", nil)35}36func handler(w http.ResponseWriter, r *http.Request) {37	w.Header().Set("Content-Type", "text/html; charset=utf-8")38	w.Header().Set("Set-Cookie", "name=abc")39	fmt.Fprintln(w, "Hello World!")40}41import (42func main() {43	http.HandleFunc("/", handler)44	http.ListenAndServe(":8080", nil)45}46func handler(w http.ResponseWriter, r *http.Request) {47	w.Header().Set("Content-Type", "text/html; charset=utf-8")48	w.Header().Set("Set-Cookie", "name=abc")49	fmt.Fprintln(w, "Hello World!")50}

SetResponseCallback

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {4		fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))5	})6	http.ListenAndServe(":8080", nil)7}8import (9func main() {10	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {11		fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))12	})13	http.ListenAndServe(":8080", nil)14}15import (16func main() {17	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {18		fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))19	})20	http.ListenAndServe(":8080", nil)21}22import (23func main() {24	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {25		fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))26	})27	http.ListenAndServe(":8080", nil)28}29import (30func main() {31	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {32		fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))33	})34	http.ListenAndServe(":8080", nil)35}36import (37func main() {38	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {39		fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))40	})41	http.ListenAndServe(":8080", nil)42}43import (44func main() {

SetResponseCallback

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {4		fmt.Fprintf(w, "Hello, %q", r.URL.Path)5	})6	http.ListenAndServe(":8080", nil)7}8import (9func main() {10	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {11		fmt.Fprintf(w, "Hello, %q", r.URL.Path)12	})13	http.ListenAndServe(":8080", nil)14}15import (16func main() {17	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {18		fmt.Fprintf(w, "Hello, %q", r.URL.Path)19	})20	http.ListenAndServe(":8080", nil)21}22import (23func main() {24	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {25		fmt.Fprintf(w, "Hello, %q", r.URL.Path)26	})27	http.ListenAndServe(":8080", nil)28}29import (30func main() {31	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {32		fmt.Fprintf(w, "Hello, %q", r.URL.Path)33	})34	http.ListenAndServe(":8080", nil)35}

SetResponseCallback

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {4		fmt.Fprintf(w, "Hello World!")5	})6	http.ListenAndServe(":8080", nil)7}8import (9func main() {10	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {11		fmt.Fprintf(w, "Hello World!")12	})13	http.ListenAndServe(":8080", nil)14}15import (16func main() {17	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {18		fmt.Fprintf(w, "Hello World!")19	})20	http.ListenAndServe(":8080", nil)21}22import (23func main() {24	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {25		fmt.Fprintf(w, "Hello World!")26	})27	http.ListenAndServe(":8080", nil)28}29import (30func main() {31	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {32		fmt.Fprintf(w, "Hello World!")33	})34	http.ListenAndServe(":8080", nil)35}36import (37func main() {38	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {39		fmt.Fprintf(w, "Hello World!")40	})41	http.ListenAndServe(":8080", nil)42}43import (44func main() {45	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {46		fmt.Fprintf(w, "Hello World!")47	})48	http.ListenAndServe(":8080", nil)49}50import (51func main() {52	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request

SetResponseCallback

Using AI Code Generation

1import (2func main() {3    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {4        fmt.Fprintf(w, "hello, %s!", r.URL.Path[1:])5    })6    http.ListenAndServe(":8080", nil)7}8import (9func main() {10    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {11        fmt.Fprintf(w, "hello, %s!", r.URL.Path[1:])12    })13    http.ListenAndServe(":8080", nil)14}15import (16func main() {17    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {18        fmt.Fprintf(w, "hello, %s!", r.URL.Path[1:])19    })20    http.ListenAndServe(":8080", nil)21}22import (23func main() {24    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {25        fmt.Fprintf(w, "hello, %s!", r.URL.Path[1:])26    })27    http.ListenAndServe(":8080", nil)28}29import (30func main() {31    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {32        fmt.Fprintf(w, "hello, %s!", r.URL.Path[1:])33    })34    http.ListenAndServe(":8080", nil)35}36import (37func main() {38    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {39        fmt.Fprintf(w, "hello, %s!", r.URL.Path[1:])40    })41    http.ListenAndServe(":8080", nil)42}

SetResponseCallback

Using AI Code Generation

1import (2func TestSetResponseCallback(t *testing.T) {3	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {4		fmt.Fprintln(w, "Hello, client")5	}))6	defer s.Close()7	req, _ := http.NewRequest("GET", s.URL, nil)8	resp, _ := http.DefaultClient.Do(req)9	fmt.Println("Response Status:", resp.Status)10	fmt.Println("Response Headers:", resp.Header)11	fmt.Println("Response Body:", resp.Body)12}13import (14func TestNewRecorder(t *testing.T) {15	rr := httptest.NewRecorder()16	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {17		fmt.Fprintln(w, "Hello, client")18	})19	handler.ServeHTTP(rr, req)20	fmt.Println("Response Status:", rr.Code)21	fmt.Println("Response Headers:", rr.Header())22	fmt.Println("Response Body:", rr.Body.String())23}24import (

SetResponseCallback

Using AI Code Generation

1import (2func main() {3    http := js.Global.Get("http")4        fmt.Println("Response:", response)5    })6}7import (8func main() {9    http := js.Global.Get("http")10        fmt.Println("Response:", response)11    })12}13import (14func main() {15    http := js.Global.Get("http")16        fmt.Println("Response:", response)17    })18}19import (20func main() {21    http := js.Global.Get("http")22        fmt.Println("Response:", response)23    })24}25import (26func main() {27    http := js.Global.Get("http")28        fmt.Println("Response:", response)29    })30}31import (32func main() {33    http := js.Global.Get("http")34        fmt.Println("Response:",

SetResponseCallback

Using AI Code Generation

1import (2func main() {3	fmt.Println("Starting the application...")4	http.HandleFunc("/", handler)5	http.ListenAndServe(":8080", nil)6}7func handler(w http.ResponseWriter, r *http.Request) {8	fmt.Println("In handler")9	w.Header().Set("Content-Type", "text/html")10	w.Write([]byte("Hello World"))11}12import (13func main() {14	fmt.Println("Starting the application...")15	http.HandleFunc("/", handler)16	http.ListenAndServe(":8080", nil)17}18func handler(w http.ResponseWriter, r *http.Request) {19	fmt.Println("In handler")20	w.Header().Set("Content-Type", "text/html")21	w.Write([]byte("Hello World"))22}23import (24func main() {25	fmt.Println("Starting the application...")26	http.HandleFunc("/", handler)27	http.ListenAndServe(":8080", nil)28}29func handler(w http.ResponseWriter, r *http.Request) {30	fmt.Println("In handler")31	w.Header().Set("Content-Type", "text/html")32	w.Write([]byte("Hello World"))33}34import (35func main() {36	fmt.Println("Starting the application...")37	http.HandleFunc("/", handler)38	http.ListenAndServe(":8080", nil)39}40func handler(w http.ResponseWriter, r *http.Request) {41	fmt.Println("In handler")42	w.Header().Set("Content-Type", "text/html")43	w.Write([]byte("Hello World"))44}45import (46func main() {47	fmt.Println("Starting the application...")48	http.HandleFunc("/", handler)49	http.ListenAndServe(":8080", nil)50}51func handler(w http.ResponseWriter, r *http.Request) {52	fmt.Println("In handler")53	w.Header().Set("Content-Type", "text/html")54	w.Write([]byte("Hello World"))55}

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