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// Copyright 2013 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 httptest_test
import (
"fmt"
"io"
"log"
"net/http"
"net/http/httptest"
)
func ExampleResponseRecorder() {
handler := func(w http.ResponseWriter, r *http.Request) {
io.WriteString(w, "<html><body>Hello World!</body></html>")
}
req := httptest.NewRequest("GET", "http://example.com/foo", nil)
w := httptest.NewRecorder()
handler(w, req)
resp := w.Result()
body, _ := io.ReadAll(resp.Body)
fmt.Println(resp.StatusCode)
fmt.Println(resp.Header.Get("Content-Type"))
fmt.Println(string(body))
// Output:
// 200
// text/html; charset=utf-8
// <html><body>Hello World!</body></html>
}
func ExampleServer() {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "Hello, client")
}))
defer ts.Close()
res, err := http.Get(ts.URL)
if err != nil {
log.Fatal(err)
}
greeting, err := io.ReadAll(res.Body)
res.Body.Close()
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s", greeting)
// Output: Hello, client
}
func ExampleServer_hTTP2() {
ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "Hello, %s", r.Proto)
}))
ts.EnableHTTP2 = true
ts.StartTLS()
defer ts.Close()
res, err := ts.Client().Get(ts.URL)
if err != nil {
log.Fatal(err)
}
greeting, err := io.ReadAll(res.Body)
res.Body.Close()
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s", greeting)
// Output: Hello, HTTP/2.0
}
func ExampleNewTLSServer() {
ts := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "Hello, client")
}))
defer ts.Close()
client := ts.Client()
res, err := client.Get(ts.URL)
if err != nil {
log.Fatal(err)
}
greeting, err := io.ReadAll(res.Body)
res.Body.Close()
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s", greeting)
// Output: Hello, client
}