// Copyright 2016 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package cookiejar_test import ( "fmt" "log" "net/http" "net/http/cookiejar" "net/http/httptest" "net/url" ) func ExampleNew() { // Start a server to give us cookies. ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { if cookie, err := r.Cookie("Flavor"); err != nil { http.SetCookie(w, &http.Cookie{Name: "Flavor", Value: "Chocolate Chip"}) } else { cookie.Value = "Oatmeal Raisin" http.SetCookie(w, cookie) } })) defer ts.Close() u, err := url.Parse(ts.URL) if err != nil { log.Fatal(err) } // All users of cookiejar should import "golang.org/x/net/publicsuffix" jar, err := cookiejar.New(&cookiejar.Options{PublicSuffixList: publicsuffix.List}) if err != nil { log.Fatal(err) } client := &http.Client{ Jar: jar, } if _, err = client.Get(u.String()); err != nil { log.Fatal(err) } fmt.Println("After 1st request:") for _, cookie := range jar.Cookies(u) { fmt.Printf(" %s: %s\n", cookie.Name, cookie.Value) } if _, err = client.Get(u.String()); err != nil { log.Fatal(err) } fmt.Println("After 2nd request:") for _, cookie := range jar.Cookies(u) { fmt.Printf(" %s: %s\n", cookie.Name, cookie.Value) } // Output: // After 1st request: // Flavor: Chocolate Chip // After 2nd request: // Flavor: Oatmeal Raisin }