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Testing cors.Cors and golang net/http
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| // | |
| // simple net/http + cors.Cors integration | |
| // vyskocilm.github.io/blog | |
| // | |
| package main | |
| import ( | |
| "fmt" | |
| "log" | |
| "net/http" | |
| "github.com/rs/cors" | |
| ) | |
| type Srv struct { | |
| mux *http.ServeMux | |
| cors *cors.Cors | |
| } | |
| func NewSrv() *Srv { | |
| s := &Srv{} | |
| s.mux = http.NewServeMux() | |
| s.mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { | |
| fmt.Fprintf(w, "<html>Hello world</html>\n") | |
| }) | |
| s.cors = cors.Default() | |
| return s | |
| } | |
| // return top level http.Handler | |
| func (s *Srv) Handler() http.Handler { | |
| return s.cors.Handler(s.mux) | |
| } | |
| func (s *Srv) ListenAndServe(port string) error { | |
| return http.ListenAndServe(port, s.Handler()) | |
| } | |
| func main() { | |
| s := NewSrv() | |
| log.Fatal( | |
| s.ListenAndServe(":8000")) | |
| } |
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| package main | |
| import ( | |
| "net/http" | |
| "net/http/httptest" | |
| "testing" | |
| "github.com/stretchr/testify/assert" | |
| "github.com/stretchr/testify/require" | |
| ) | |
| var ( | |
| s *Srv | |
| ) | |
| func init() { | |
| s = NewSrv() | |
| } | |
| func Test1(t *testing.T) { | |
| require := require.New(t) | |
| assert := assert.New(t) | |
| r, e := http.NewRequest("POST", "/", nil) | |
| r.Header.Set("Origin", "http://example.com") | |
| require.NoError(e) | |
| w := httptest.NewRecorder() | |
| handler := s.Handler() | |
| handler.ServeHTTP(w, r) | |
| assert.Contains(w.Header(), "Vary") | |
| assert.Equal("Origin", w.Header().Get("Vary")) | |
| assert.Contains(w.Header(), "Content-Type") | |
| assert.Contains(w.Header(), "Access-Control-Allow-Origin") | |
| assert.Equal("*", w.Header().Get("Access-Control-Allow-Origin")) | |
| } |
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