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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
commit73df946d56c74384511a194dd01dbe099584fd1a (patch)
treefd0bcea490dd81327ddfbb31e215439672c9a068 /src/net/http/httputil/example_test.go
parentInitial commit. (diff)
downloadgolang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz
golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/net/http/httputil/example_test.go')
-rw-r--r--src/net/http/httputil/example_test.go123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/net/http/httputil/example_test.go b/src/net/http/httputil/example_test.go
new file mode 100644
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--- /dev/null
+++ b/src/net/http/httputil/example_test.go
@@ -0,0 +1,123 @@
+// Copyright 2015 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 httputil_test
+
+import (
+ "fmt"
+ "io"
+ "log"
+ "net/http"
+ "net/http/httptest"
+ "net/http/httputil"
+ "net/url"
+ "strings"
+)
+
+func ExampleDumpRequest() {
+ ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+ dump, err := httputil.DumpRequest(r, true)
+ if err != nil {
+ http.Error(w, fmt.Sprint(err), http.StatusInternalServerError)
+ return
+ }
+
+ fmt.Fprintf(w, "%q", dump)
+ }))
+ defer ts.Close()
+
+ const body = "Go is a general-purpose language designed with systems programming in mind."
+ req, err := http.NewRequest("POST", ts.URL, strings.NewReader(body))
+ if err != nil {
+ log.Fatal(err)
+ }
+ req.Host = "www.example.org"
+ resp, err := http.DefaultClient.Do(req)
+ if err != nil {
+ log.Fatal(err)
+ }
+ defer resp.Body.Close()
+
+ b, err := io.ReadAll(resp.Body)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ fmt.Printf("%s", b)
+
+ // Output:
+ // "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."
+}
+
+func ExampleDumpRequestOut() {
+ const body = "Go is a general-purpose language designed with systems programming in mind."
+ req, err := http.NewRequest("PUT", "http://www.example.org", strings.NewReader(body))
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ dump, err := httputil.DumpRequestOut(req, true)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ fmt.Printf("%q", dump)
+
+ // Output:
+ // "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."
+}
+
+func ExampleDumpResponse() {
+ const body = "Go is a general-purpose language designed with systems programming in mind."
+ ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+ w.Header().Set("Date", "Wed, 19 Jul 1972 19:00:00 GMT")
+ fmt.Fprintln(w, body)
+ }))
+ defer ts.Close()
+
+ resp, err := http.Get(ts.URL)
+ if err != nil {
+ log.Fatal(err)
+ }
+ defer resp.Body.Close()
+
+ dump, err := httputil.DumpResponse(resp, true)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ fmt.Printf("%q", dump)
+
+ // Output:
+ // "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"
+}
+
+func ExampleReverseProxy() {
+ backendServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+ fmt.Fprintln(w, "this call was relayed by the reverse proxy")
+ }))
+ defer backendServer.Close()
+
+ rpURL, err := url.Parse(backendServer.URL)
+ if err != nil {
+ log.Fatal(err)
+ }
+ frontendProxy := httptest.NewServer(httputil.NewSingleHostReverseProxy(rpURL))
+ defer frontendProxy.Close()
+
+ resp, err := http.Get(frontendProxy.URL)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ b, err := io.ReadAll(resp.Body)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ fmt.Printf("%s", b)
+
+ // Output:
+ // this call was relayed by the reverse proxy
+}