package security import ( "net/http" "net/http/httptest" "testing" "github.com/stretchr/testify/assert" ) func TestWithCodeResponseWriter(t *testing.T) { req := httptest.NewRequest(http.MethodGet, "http://localhost", nil) handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { cw := &WithCodeResponseWriter{Writer: w} cw.Header().Set("X-Test", "test") cw.WriteHeader(http.StatusServiceUnavailable) assert.Equal(t, cw.Code, http.StatusServiceUnavailable) _, err := cw.Write([]byte("content")) assert.Nil(t, err) flusher, ok := http.ResponseWriter(cw).(http.Flusher) assert.True(t, ok) flusher.Flush() }) resp := httptest.NewRecorder() handler.ServeHTTP(resp, req) assert.Equal(t, http.StatusServiceUnavailable, resp.Code) assert.Equal(t, "test", resp.Header().Get("X-Test")) assert.Equal(t, "content", resp.Body.String()) }