// +build go1.15 package websocket import ( "crypto/tls" "net/http" "net/url" "testing" ) func TestHttpsProxy(t *testing.T) { sTLS := newTLSServer(t) defer sTLS.Close() s := newServer(t) defer s.Close() surlTLS, _ := url.Parse(sTLS.Server.URL) cstDialer := cstDialer // make local copy for modification on next line. cstDialer.Proxy = http.ProxyURL(surlTLS) connect := false origHandler := sTLS.Server.Config.Handler // Capture the request Host header. sTLS.Server.Config.Handler = http.HandlerFunc( func(w http.ResponseWriter, r *http.Request) { if r.Method == "CONNECT" { connect = true w.WriteHeader(http.StatusOK) return } if !connect { t.Log("connect not received") http.Error(w, "connect not received", http.StatusMethodNotAllowed) return } origHandler.ServeHTTP(w, r) }) cstDialer.TLSClientConfig = &tls.Config{RootCAs: rootCAs(t, sTLS.Server)} ws, _, err := cstDialer.Dial(s.URL, nil) if err != nil { t.Fatalf("Dial: %v", err) } defer ws.Close() sendRecv(t, ws) }