How to use TestResponseCallbackInAction method of http Package

Best K6 code snippet using http.TestResponseCallbackInAction

response_callback_test.go

Source:response_callback_test.go Github

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...85type expectedSample struct {86 tags map[string]string87 metrics []string88}89func TestResponseCallbackInAction(t *testing.T) {90 t.Parallel()91 tb, _, samples, rt, mii := newRuntime(t)92 sr := tb.Replacer.Replace93 HTTPMetricsWithoutFailed := []string{94 metrics.HTTPReqsName,95 metrics.HTTPReqBlockedName,96 metrics.HTTPReqConnectingName,97 metrics.HTTPReqDurationName,98 metrics.HTTPReqReceivingName,99 metrics.HTTPReqWaitingName,100 metrics.HTTPReqSendingName,101 metrics.HTTPReqTLSHandshakingName,102 }103 allHTTPMetrics := append(HTTPMetricsWithoutFailed, metrics.HTTPReqFailedName)104 testCases := map[string]struct {105 code string106 expectedSamples []expectedSample107 }{108 "basic": {109 code: `http.request("GET", "HTTPBIN_URL/redirect/1");`,110 expectedSamples: []expectedSample{111 {112 tags: map[string]string{113 "method": "GET",114 "url": sr("HTTPBIN_URL/redirect/1"),115 "name": sr("HTTPBIN_URL/redirect/1"),116 "status": "302",117 "group": "",118 "expected_response": "true",119 "proto": "HTTP/1.1",120 },121 metrics: allHTTPMetrics,122 },123 {124 tags: map[string]string{125 "method": "GET",126 "url": sr("HTTPBIN_URL/get"),127 "name": sr("HTTPBIN_URL/get"),128 "status": "200",129 "group": "",130 "expected_response": "true",131 "proto": "HTTP/1.1",132 },133 metrics: allHTTPMetrics,134 },135 },136 },137 "overwrite per request": {138 code: `139 http.setResponseCallback(http.expectedStatuses(200));140 res = http.request("GET", "HTTPBIN_URL/redirect/1");141 `,142 expectedSamples: []expectedSample{143 {144 tags: map[string]string{145 "method": "GET",146 "url": sr("HTTPBIN_URL/redirect/1"),147 "name": sr("HTTPBIN_URL/redirect/1"),148 "status": "302",149 "group": "",150 "expected_response": "false", // this is on purpose151 "proto": "HTTP/1.1",152 },153 metrics: allHTTPMetrics,154 },155 {156 tags: map[string]string{157 "method": "GET",158 "url": sr("HTTPBIN_URL/get"),159 "name": sr("HTTPBIN_URL/get"),160 "status": "200",161 "group": "",162 "expected_response": "true",163 "proto": "HTTP/1.1",164 },165 metrics: allHTTPMetrics,166 },167 },168 },169 "global overwrite": {170 code: `http.request("GET", "HTTPBIN_URL/redirect/1", null, {responseCallback: http.expectedStatuses(200)});`,171 expectedSamples: []expectedSample{172 {173 tags: map[string]string{174 "method": "GET",175 "url": sr("HTTPBIN_URL/redirect/1"),176 "name": sr("HTTPBIN_URL/redirect/1"),177 "status": "302",178 "group": "",179 "expected_response": "false", // this is on purpose180 "proto": "HTTP/1.1",181 },182 metrics: allHTTPMetrics,183 },184 {185 tags: map[string]string{186 "method": "GET",187 "url": sr("HTTPBIN_URL/get"),188 "name": sr("HTTPBIN_URL/get"),189 "status": "200",190 "group": "",191 "expected_response": "true",192 "proto": "HTTP/1.1",193 },194 metrics: allHTTPMetrics,195 },196 },197 },198 "per request overwrite with null": {199 code: `http.request("GET", "HTTPBIN_URL/redirect/1", null, {responseCallback: null});`,200 expectedSamples: []expectedSample{201 {202 tags: map[string]string{203 "method": "GET",204 "url": sr("HTTPBIN_URL/redirect/1"),205 "name": sr("HTTPBIN_URL/redirect/1"),206 "status": "302",207 "group": "",208 "proto": "HTTP/1.1",209 },210 metrics: HTTPMetricsWithoutFailed,211 },212 {213 tags: map[string]string{214 "method": "GET",215 "url": sr("HTTPBIN_URL/get"),216 "name": sr("HTTPBIN_URL/get"),217 "status": "200",218 "group": "",219 "proto": "HTTP/1.1",220 },221 metrics: HTTPMetricsWithoutFailed,222 },223 },224 },225 "global overwrite with null": {226 code: `227 http.setResponseCallback(null);228 res = http.request("GET", "HTTPBIN_URL/redirect/1");229 `,230 expectedSamples: []expectedSample{231 {232 tags: map[string]string{233 "method": "GET",234 "url": sr("HTTPBIN_URL/redirect/1"),235 "name": sr("HTTPBIN_URL/redirect/1"),236 "status": "302",237 "group": "",238 "proto": "HTTP/1.1",239 },240 metrics: HTTPMetricsWithoutFailed,241 },242 {243 tags: map[string]string{244 "method": "GET",245 "url": sr("HTTPBIN_URL/get"),246 "name": sr("HTTPBIN_URL/get"),247 "status": "200",248 "group": "",249 "proto": "HTTP/1.1",250 },251 metrics: HTTPMetricsWithoutFailed,252 },253 },254 },255 }256 for name, testCase := range testCases {257 testCase := testCase258 t.Run(name, func(t *testing.T) {259 mii.defaultClient.responseCallback = defaultExpectedStatuses.match260 _, err := rt.RunString(sr(testCase.code))261 assert.NoError(t, err)262 bufSamples := metrics.GetBufferedSamples(samples)263 reqsCount := 0264 for _, container := range bufSamples {265 for _, sample := range container.GetSamples() {266 if sample.Metric.Name == "http_reqs" {267 reqsCount++268 }269 }270 }271 require.Equal(t, len(testCase.expectedSamples), reqsCount)272 for i, expectedSample := range testCase.expectedSamples {273 assertRequestMetricsEmittedSingle(t, bufSamples[i], expectedSample.tags, expectedSample.metrics, nil)274 }275 })276 }277}278func TestResponseCallbackBatch(t *testing.T) {279 t.Parallel()280 tb, _, samples, rt, mii := newRuntime(t)281 sr := tb.Replacer.Replace282 HTTPMetricsWithoutFailed := []string{283 metrics.HTTPReqsName,284 metrics.HTTPReqBlockedName,285 metrics.HTTPReqConnectingName,286 metrics.HTTPReqDurationName,287 metrics.HTTPReqReceivingName,288 metrics.HTTPReqWaitingName,289 metrics.HTTPReqSendingName,290 metrics.HTTPReqTLSHandshakingName,291 }292 allHTTPMetrics := append(HTTPMetricsWithoutFailed, metrics.HTTPReqFailedName)293 // IMPORTANT: the tests here depend on the fact that the url they hit can be ordered in the same294 // order as the expectedSamples even if they are made concurrently295 testCases := map[string]struct {296 code string297 expectedSamples []expectedSample298 }{299 "basic": {300 code: `301 http.batch([["GET", "HTTPBIN_URL/status/200", null, {responseCallback: null}],302 ["GET", "HTTPBIN_URL/status/201"],303 ["GET", "HTTPBIN_URL/status/202", null, {responseCallback: http.expectedStatuses(4)}],304 ["GET", "HTTPBIN_URL/status/405", null, {responseCallback: http.expectedStatuses(405)}],305 ]);`,306 expectedSamples: []expectedSample{307 {308 tags: map[string]string{309 "method": "GET",310 "url": sr("HTTPBIN_URL/status/200"),311 "name": sr("HTTPBIN_URL/status/200"),312 "status": "200",313 "group": "",314 "proto": "HTTP/1.1",315 },316 metrics: HTTPMetricsWithoutFailed,317 },318 {319 tags: map[string]string{320 "method": "GET",321 "url": sr("HTTPBIN_URL/status/201"),322 "name": sr("HTTPBIN_URL/status/201"),323 "status": "201",324 "group": "",325 "expected_response": "true",326 "proto": "HTTP/1.1",327 },328 metrics: allHTTPMetrics,329 },330 {331 tags: map[string]string{332 "method": "GET",333 "url": sr("HTTPBIN_URL/status/202"),334 "name": sr("HTTPBIN_URL/status/202"),335 "status": "202",336 "group": "",337 "expected_response": "false",338 "proto": "HTTP/1.1",339 },340 metrics: allHTTPMetrics,341 },342 {343 tags: map[string]string{344 "method": "GET",345 "url": sr("HTTPBIN_URL/status/405"),346 "name": sr("HTTPBIN_URL/status/405"),347 "status": "405",348 "error_code": "1405",349 "group": "",350 "expected_response": "true",351 "proto": "HTTP/1.1",352 },353 metrics: allHTTPMetrics,354 },355 },356 },357 }358 for name, testCase := range testCases {359 testCase := testCase360 t.Run(name, func(t *testing.T) {361 mii.defaultClient.responseCallback = defaultExpectedStatuses.match362 _, err := rt.RunString(sr(testCase.code))363 assert.NoError(t, err)364 bufSamples := metrics.GetBufferedSamples(samples)365 reqsCount := 0366 for _, container := range bufSamples {367 for _, sample := range container.GetSamples() {368 if sample.Metric.Name == "http_reqs" {369 reqsCount++370 }371 }372 }373 sort.Slice(bufSamples, func(i, j int) bool {374 iURL, _ := bufSamples[i].GetSamples()[0].Tags.Get("url")375 jURL, _ := bufSamples[j].GetSamples()[0].Tags.Get("url")376 return iURL < jURL377 })378 require.Equal(t, len(testCase.expectedSamples), reqsCount)379 for i, expectedSample := range testCase.expectedSamples {380 assertRequestMetricsEmittedSingle(t, bufSamples[i], expectedSample.tags, expectedSample.metrics, nil)381 }382 })383 }384}385func TestResponseCallbackInActionWithoutPassedTag(t *testing.T) {386 t.Parallel()387 tb, state, samples, rt, _ := newRuntime(t)388 sr := tb.Replacer.Replace389 allHTTPMetrics := []string{390 metrics.HTTPReqsName,391 metrics.HTTPReqFailedName,392 metrics.HTTPReqBlockedName,393 metrics.HTTPReqConnectingName,394 metrics.HTTPReqDurationName,395 metrics.HTTPReqReceivingName,396 metrics.HTTPReqSendingName,397 metrics.HTTPReqWaitingName,398 metrics.HTTPReqTLSHandshakingName,399 }...

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TestResponseCallbackInAction

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1import (2func TestResponseCallbackInAction() {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 panic(err)10 }11 fmt.Println(res.Status)12}13func main() {14 TestResponseCallbackInAction()15}16import (17func TestHttpHandlerUsingResponseRecorder() {18 req, err := http.NewRequest("GET", "/", nil)19 if err != nil {20 panic(err)21 }22 rr := httptest.NewRecorder()23 handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {24 fmt.Fprintln(w, "Hello, client")25 })26 handler.ServeHTTP(rr, req)27 if status := rr.Code;

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TestResponseCallbackInAction

Using AI Code Generation

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1import (2func main() {3 req, err := http.NewRequest("GET", "/", nil)4 if err != nil {5 fmt.Println(err)6 }7 rr := httptest.NewRecorder()8 handler := http.HandlerFunc(TestResponseCallbackInAction)9 handler.ServeHTTP(rr, req)10 fmt.Println(rr.Body.String())11}12func TestResponseCallbackInAction(w http.ResponseWriter, r *http.Request) {13 w.Write([]byte("Hello World!"))14}

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TestResponseCallbackInAction

Using AI Code Generation

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1import (2func main() {3 fmt.Println("Hello, playground")4 if err != nil {5 panic(err)6 }7 defer resp.Body.Close()8 fmt.Println(resp)9}10/*&{200 OK 200 HTTP/1.1 1 1 map[Cache-Control:[private, max-age=0] Content-Type:[text/html; charset=ISO-8859-1] Date:[Thu, 06 Dec 2018 17:26:55 GMT] Expires:[-1] P3p:[CP="This is not a P3P policy! See g.co/p3phelp for more info."] Server:[gws] Set-Cookie:[NID=144=Zl7BvY9gj0lJpHfB1Zk1wZgkWZ7cQ2Q2HgT0T9QhYzG1S0RtC0ZtKfZ1k3q4qDd0aYnCpYX1W3qKlJF0nB7vN8QZDj7kG0kRJm7v5bX9WV7P; expires=Fri, 05-Jun-2020 17:26:55 GMT; path=/; domain=.google.com; HttpOnly] X-Frame-Options:[SAMEORIGIN] X-Xss-Protection:[1; mode=block]] 0xc0000b2000 0 [] false false map[] 0xc0000b2000 <nil>}*/11import (12func main() {13 fmt.Println("Hello, playground")14 if err != nil {15 panic(err)16 }17 defer resp.Body.Close()18 fmt.Println(resp)19}20/*&{200 OK 200 HTTP/1.1 1 1 map[Cache-Control:[private, max-age=0] Content-Type:[text/html; charset=ISO-8859

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TestResponseCallbackInAction

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1import (2func main() {3 response, err := http.Get(url)4 if err != nil {5 fmt.Print(err.Error())6 os.Exit(1)7 }8 defer response.Body.Close()9 responseData, err := ioutil.ReadAll(response.Body)10 if err != nil {11 log.Fatal(err)12 }13 fmt.Println(string(responseData))14}

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TestResponseCallbackInAction

Using AI Code Generation

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1func TestResponseCallbackInAction(t *testing.T) {2 client := &http.Client{}3 if err != nil {4 log.Fatal(err)5 }6 req = req.WithContext(http.WithResponseCallback(req.Context(), func(resp *http.Response) {7 fmt.Println("Response received")8 }))9 resp, err := client.Do(req)10 if err != nil {11 log.Fatal(err)12 }13 fmt.Println("Response status:", resp.Status)14 resp.Body.Close()15}16func TestResponseCallbackInHandler(t *testing.T) {17 client := &http.Client{}18 if err != nil {19 log.Fatal(err)20 }21 resp, err := client.Do(req)22 if err != nil {23 log.Fatal(err)24 }25 fmt.Println("Response status:", resp.Status)26 resp.Body.Close()27}28func TestResponseCallbackInTransport(t *testing.T) {29 client := &http.Client{30 Transport: &http.Transport{31 ResponseCallback: func(resp *http.Response) {32 fmt.Println("Response received")33 },34 },35 }36 if err != nil {37 log.Fatal(err)38 }39 resp, err := client.Do(req)40 if err != nil {41 log.Fatal(err)42 }43 fmt.Println("Response status:", resp.Status)44 resp.Body.Close()45}

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TestResponseCallbackInAction

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1import (2func main() {3 if err != nil {4 log.Fatal(err)5 }6 defer resp.Body.Close()7 out, err := os.Create("index.html")8 if err != nil {9 log.Fatal(err)10 }11 defer out.Close()12 _, err = io.Copy(out, resp.Body)13 if err != nil {14 log.Fatal(err)15 }16}17How to use the io.Copy() function in Go18How to read a file in Go using ReadAt() method19How to read a file in Go using ReadFull() method20How to read a file in Go using ReadString() method21How to read a file in Go using ReadByte() method22How to read a file in Go using ReadBytes() method23How to read a file in Go using ReadLine() method24How to read a file in Go using ReadRune() method25How to read a file in Go using Read() method26How to read a file in Go using ReadFrom() method27How to read a file in Go using ReadAtLeast() method28How to read a file in Go using ReadDir() method29How to read a file in Go using ReadFile() method30How to read a file in Go using ReadAll() method31How to read a file in Go using ReadCloser() method32How to read a file in Go using ReadSeeker() method33How to read a file in Go using ReadWriter() method34How to read a file in Go using ReadWriterAt() method

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TestResponseCallbackInAction

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1import (2func TestResponseCallbackInAction(t *testing.T) {3 req, err := http.NewRequest("GET", "/", nil)4 if err != nil {5 t.Fatal(err)6 }7 rr := httptest.NewRecorder()8 handler := http.HandlerFunc(HelloWorld)9 handler.ServeHTTP(rr, req)10 if status := rr.Code; status != http.StatusOK {11 t.Errorf("handler returned wrong status code: got %v want %v",12 }13 expected := `{"alive": true}`14 if rr.Body.String() != expected {15 t.Errorf("handler returned unexpected body: got %v want %v",16 rr.Body.String(), expected)17 }18}19func HelloWorld(w http.ResponseWriter, r *http.Request) {20 fmt.Fprintf(w, `{"alive": true}`)21}22We can use the httptest.NewRecorder() method to record the response. We can use the http.NewRequest() method to create a request to pass to our handler. We can use the http.HandlerFunc() method to convert the HelloWorld method to a http.HandlerFunc. We can use the handler.ServeHTTP() method to pass in our Request and ResponseRecorder. We can check the

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