|
| 1 | +//golangcitest:args -Eresponsewriterlint |
| 2 | +package testdata |
| 3 | + |
| 4 | +import ( |
| 5 | + "errors" |
| 6 | + "fmt" |
| 7 | + "net/http" |
| 8 | +) |
| 9 | + |
| 10 | +type notAResponseWriter struct{} |
| 11 | + |
| 12 | +func (narw notAResponseWriter) Write(in []byte) (int, error) { |
| 13 | + // actually do nothing |
| 14 | + return 42, errors.New("no") |
| 15 | +} |
| 16 | + |
| 17 | +func (narw notAResponseWriter) WriteHeader(code int) { |
| 18 | + // also do nothing |
| 19 | +} |
| 20 | + |
| 21 | +func (narw notAResponseWriter) Header() http.Header { |
| 22 | + return http.Header{} |
| 23 | +} |
| 24 | + |
| 25 | +type rwlRandom struct{} |
| 26 | + |
| 27 | +func rwlExampleOne(w http.ResponseWriter, r *http.Request) { |
| 28 | + w.Header().Add("some header", "value") |
| 29 | + w.WriteHeader(http.StatusOK) |
| 30 | + _, _ = w.Write([]byte(`boys in the yard`)) |
| 31 | +} |
| 32 | + |
| 33 | +func rwlExampleTwo(s string, r *http.Request) error { |
| 34 | + fmt.Printf("this is a thing") |
| 35 | + |
| 36 | + return nil |
| 37 | +} |
| 38 | + |
| 39 | +func rwlFakeWriter(w notAResponseWriter) { |
| 40 | + w.Header().Add("something", "other") |
| 41 | + w.WriteHeader(420) |
| 42 | + _, _ = w.Write([]byte(`fooled ya`)) |
| 43 | +} |
| 44 | + |
| 45 | +func (b rwlRandom) method(w http.ResponseWriter, r *http.Request) { |
| 46 | + w.Header().Add("some header", "value") |
| 47 | + w.WriteHeader(http.StatusOK) |
| 48 | + _, _ = w.Write([]byte(`boys in the yard`)) |
| 49 | +} |
| 50 | + |
| 51 | +func (b *rwlRandom) methodPointer(w http.ResponseWriter, r *http.Request) { |
| 52 | + w.Header().Add("some header", "value") |
| 53 | + _, _ = w.Write([]byte(`boys in the yard`)) |
| 54 | + w.WriteHeader(http.StatusOK) // want "function methodPointer: http.ResponseWriter.Write is called before http.ResponseWriter.WriteHeader. Headers are already sent, this has no effect." |
| 55 | +} |
| 56 | + |
| 57 | +func rwlExampleThree(bloe http.ResponseWriter, r *http.Request) { |
| 58 | + _, _ = bloe.Write([]byte(`hellyea`)) // want "function rwlExampleThree: Multiple calls to http.ResponseWriter.Write in the same function body. This is most probably a bug." |
| 59 | + |
| 60 | + bloe.WriteHeader(http.StatusBadRequest) // want "function rwlExampleThree: Multiple calls to http.ResponseWriter.WriteHeader in the same function body. This is most probably a bug." |
| 61 | + _, _ = bloe.Write([]byte(`hellyelamdflmda`)) // want "function rwlExampleThree: Multiple calls to http.ResponseWriter.Write in the same function body. This is most probably a bug." |
| 62 | + bloe.WriteHeader(http.StatusInternalServerError) // want "function rwlExampleThree: Multiple calls to http.ResponseWriter.WriteHeader in the same function body. This is most probably a bug." |
| 63 | + |
| 64 | + bloe.Header().Set("help", "somebody") // want "function rwlExampleThree: http.ResponseWriter.Header called after calling http.ResponseWriter.Write. This has no effect." "function rwlExampleThree: http.ResponseWriter.Header called after calling http.ResponseWriter.Write. This has no effect." "function rwlExampleThree: http.ResponseWriter.Header called after calling http.ResponseWriter.WriteHeader. This has no effect." "function rwlExampleThree: http.ResponseWriter.Header called after calling http.ResponseWriter.WriteHeader. This has no effect." |
| 65 | + bloe.Header().Set("dddd", "someboddaady") // want "function rwlExampleThree: http.ResponseWriter.Header called after calling http.ResponseWriter.Write. This has no effect." "function rwlExampleThree: http.ResponseWriter.Header called after calling http.ResponseWriter.Write. This has no effect." "function rwlExampleThree: http.ResponseWriter.Header called after calling http.ResponseWriter.WriteHeader. This has no effect." "function rwlExampleThree: http.ResponseWriter.Header called after calling http.ResponseWriter.WriteHeader. This has no effect." |
| 66 | +} |
0 commit comments