net/http/httptest: add examples

R=golang-dev, adg, bradfitz
CC=golang-dev
https://golang.org/cl/7314046

diff --git a/src/pkg/net/http/httptest/example_test.go b/src/pkg/net/http/httptest/example_test.go
new file mode 100644 (file)
index 0000000..239470d
--- /dev/null
+++ b/src/pkg/net/http/httptest/example_test.go
@@ -0,0 +1,50 @@
+// 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/ioutil"
+       "log"
+       "net/http"
+       "net/http/httptest"
+)
+
+func ExampleRecorder() {
+       handler := func(w http.ResponseWriter, r *http.Request) {
+               http.Error(w, "something failed", http.StatusInternalServerError)
+       }
+
+       req, err := http.NewRequest("GET", "http://example.com/foo", nil)
+       if err != nil {
+               log.Fatal(err)
+       }
+
+       w := httptest.NewRecorder()
+       handler(w, req)
+
+       fmt.Printf("%d - %s", w.Code, w.Body.String())
+       // Output: 500 - something failed
+}
+
+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 := ioutil.ReadAll(res.Body)
+       res.Body.Close()
+       if err != nil {
+               log.Fatal(err)
+       }
+
+       fmt.Printf("%s", greeting)
+       // Output: Hello, client
+}