1// Copyright 2016 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5package cookiejar_test 6 7import ( 8 "fmt" 9 "log" 10 "net/http" 11 "net/http/cookiejar" 12 "net/http/httptest" 13 "net/url" 14) 15 16func ExampleNew() { 17 // Start a server to give us cookies. 18 ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { 19 if cookie, err := r.Cookie("Flavor"); err != nil { 20 http.SetCookie(w, &http.Cookie{Name: "Flavor", Value: "Chocolate Chip"}) 21 } else { 22 cookie.Value = "Oatmeal Raisin" 23 http.SetCookie(w, cookie) 24 } 25 })) 26 defer ts.Close() 27 28 u, err := url.Parse(ts.URL) 29 if err != nil { 30 log.Fatal(err) 31 } 32 33 // All users of cookiejar should import "golang.org/x/net/publicsuffix" 34 jar, err := cookiejar.New(&cookiejar.Options{PublicSuffixList: publicsuffix.List}) 35 if err != nil { 36 log.Fatal(err) 37 } 38 39 client := &http.Client{ 40 Jar: jar, 41 } 42 43 if _, err = client.Get(u.String()); err != nil { 44 log.Fatal(err) 45 } 46 47 fmt.Println("After 1st request:") 48 for _, cookie := range jar.Cookies(u) { 49 fmt.Printf(" %s: %s\n", cookie.Name, cookie.Value) 50 } 51 52 if _, err = client.Get(u.String()); err != nil { 53 log.Fatal(err) 54 } 55 56 fmt.Println("After 2nd request:") 57 for _, cookie := range jar.Cookies(u) { 58 fmt.Printf(" %s: %s\n", cookie.Name, cookie.Value) 59 } 60 // Output: 61 // After 1st request: 62 // Flavor: Chocolate Chip 63 // After 2nd request: 64 // Flavor: Oatmeal Raisin 65} 66