mirror of git://gcc.gnu.org/git/gcc.git
126 lines
3.2 KiB
Go
126 lines
3.2 KiB
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build ignore
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package httputil_test
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import (
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"net/http/httptest"
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"net/http/httputil"
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"net/url"
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"strings"
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)
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func ExampleDumpRequest() {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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dump, err := httputil.DumpRequest(r, true)
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if err != nil {
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http.Error(w, fmt.Sprint(err), http.StatusInternalServerError)
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return
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}
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fmt.Fprintf(w, "%q", dump)
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}))
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defer ts.Close()
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const body = "Go is a general-purpose language designed with systems programming in mind."
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req, err := http.NewRequest("POST", ts.URL, strings.NewReader(body))
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if err != nil {
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log.Fatal(err)
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}
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req.Host = "www.example.org"
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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log.Fatal(err)
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}
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defer resp.Body.Close()
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b, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("%s", b)
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// Output:
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// "POST / HTTP/1.1\r\nHost: www.example.org\r\nAccept-Encoding: gzip\r\nContent-Length: 75\r\nUser-Agent: Go-http-client/1.1\r\n\r\nGo is a general-purpose language designed with systems programming in mind."
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}
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func ExampleDumpRequestOut() {
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const body = "Go is a general-purpose language designed with systems programming in mind."
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req, err := http.NewRequest("PUT", "http://www.example.org", strings.NewReader(body))
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if err != nil {
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log.Fatal(err)
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}
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dump, err := httputil.DumpRequestOut(req, true)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("%q", dump)
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// Output:
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// "PUT / HTTP/1.1\r\nHost: www.example.org\r\nUser-Agent: Go-http-client/1.1\r\nContent-Length: 75\r\nAccept-Encoding: gzip\r\n\r\nGo is a general-purpose language designed with systems programming in mind."
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}
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func ExampleDumpResponse() {
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const body = "Go is a general-purpose language designed with systems programming in mind."
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Date", "Wed, 19 Jul 1972 19:00:00 GMT")
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fmt.Fprintln(w, body)
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}))
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defer ts.Close()
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resp, err := http.Get(ts.URL)
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if err != nil {
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log.Fatal(err)
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}
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defer resp.Body.Close()
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dump, err := httputil.DumpResponse(resp, true)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("%q", dump)
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// Output:
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// "HTTP/1.1 200 OK\r\nContent-Length: 76\r\nContent-Type: text/plain; charset=utf-8\r\nDate: Wed, 19 Jul 1972 19:00:00 GMT\r\n\r\nGo is a general-purpose language designed with systems programming in mind.\n"
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}
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func ExampleReverseProxy() {
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backendServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintln(w, "this call was relayed by the reverse proxy")
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}))
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defer backendServer.Close()
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rpURL, err := url.Parse(backendServer.URL)
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if err != nil {
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log.Fatal(err)
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}
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frontendProxy := httptest.NewServer(httputil.NewSingleHostReverseProxy(rpURL))
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defer frontendProxy.Close()
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resp, err := http.Get(frontendProxy.URL)
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if err != nil {
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log.Fatal(err)
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}
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b, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("%s", b)
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// Output:
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// this call was relayed by the reverse proxy
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}
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