package goxy import ( "io" "io/ioutil" "net/http" "net/http/httptest" "net/url" "testing" ) const cannary = "hello from backend" func TestNewServer(t *testing.T) { backendServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { io.WriteString(w, cannary) })) defer backendServer.Close() server, err := NewServer("") if err != nil { t.Error(err) } rpcServer := httptest.NewServer(nil) defer rpcServer.Close() rpcURL, err := url.Parse(rpcServer.URL) if err != nil { t.Error(err) } err = Add(Entry{ServerName: "whatever", Upstream: backendServer.URL}, rpcURL.Host) if err != nil { t.Error(err) } frontendServer := httptest.NewServer(server.Handler) if err != nil { t.Error(err) } client := &http.Client{} req, err := http.NewRequest("GET", frontendServer.URL, nil) if err != nil { t.Error(err) } req.Header.Set("Host", "whatever") resp, err := client.Do(req) if err != nil { t.Error(err) } defer resp.Body.Close() b, err := ioutil.ReadAll(resp.Body) if err != nil { t.Error(err) } if string(b) != cannary { t.Error("got", string(b), "expected", cannary) } }