func ExampleHijacker() { http.HandleFunc("/hijack", func(w http.ResponseWriter, r *http.Request) { hj, ok := w.(http.Hijacker) if !ok { http.Error(w, "webserver doesn't support hijacking", http.StatusInternalServerError) return } conn, bufrw, err := hj.Hijack() if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } // Don't forget to close the connection: defer conn.Close() bufrw.WriteString("Now we're speaking raw TCP. Say hi: ") bufrw.Flush() s, err := bufrw.ReadString('\n') if err != nil { log.Printf("error reading string: %v", err) return } fmt.Fprintf(bufrw, "You said: %q\nBye.\n", s) bufrw.Flush() }) }
func ExampleResponseRecorder() { handler := func(w http.ResponseWriter, r *http.Request) { http.Error(w, "something failed", http.StatusInternalServerError) } req, err := http.NewRequest("GET", "http://example.com/foo", nil) if err != nil { log.Fatal(err) } w := httptest.NewRecorder() handler(w, req) fmt.Printf("%d - %s", w.Code, w.Body.String()) // Output: 500 - something failed }