1 // Copyright 2009 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.
24 var robotsTxtHandler = HandlerFunc(func(w ResponseWriter, r *Request) {
25 w.Header().Set("Last-Modified", "sometime")
26 fmt.Fprintf(w, "User-agent: go\nDisallow: /something/")
29 func TestClient(t *testing.T) {
30 ts := httptest.NewServer(robotsTxtHandler)
36 b, err = ioutil.ReadAll(r.Body)
41 } else if s := string(b); !strings.HasPrefix(s, "User-agent:") {
42 t.Errorf("Incorrect page body (did not begin with User-agent): %q", s)
46 func TestClientHead(t *testing.T) {
47 ts := httptest.NewServer(robotsTxtHandler)
50 r, err := Head(ts.URL)
54 if _, ok := r.Header["Last-Modified"]; !ok {
55 t.Error("Last-Modified header not found.")
59 type recordingTransport struct {
63 func (t *recordingTransport) RoundTrip(req *Request) (resp *Response, err os.Error) {
65 return nil, os.NewError("dummy impl")
68 func TestGetRequestFormat(t *testing.T) {
69 tr := &recordingTransport{}
70 client := &Client{Transport: tr}
71 url := "http://dummy.faketld/"
72 client.Get(url) // Note: doesn't hit network
73 if tr.req.Method != "GET" {
74 t.Errorf("expected method %q; got %q", "GET", tr.req.Method)
76 if tr.req.URL.String() != url {
77 t.Errorf("expected URL %q; got %q", url, tr.req.URL.String())
79 if tr.req.Header == nil {
80 t.Errorf("expected non-nil request Header")
84 func TestPostRequestFormat(t *testing.T) {
85 tr := &recordingTransport{}
86 client := &Client{Transport: tr}
88 url := "http://dummy.faketld/"
89 json := `{"key":"value"}`
90 b := strings.NewReader(json)
91 client.Post(url, "application/json", b) // Note: doesn't hit network
93 if tr.req.Method != "POST" {
94 t.Errorf("got method %q, want %q", tr.req.Method, "POST")
96 if tr.req.URL.String() != url {
97 t.Errorf("got URL %q, want %q", tr.req.URL.String(), url)
99 if tr.req.Header == nil {
100 t.Fatalf("expected non-nil request Header")
103 t.Error("got Close true, want false")
105 if g, e := tr.req.ContentLength, int64(len(json)); g != e {
106 t.Errorf("got ContentLength %d, want %d", g, e)
110 func TestPostFormRequestFormat(t *testing.T) {
111 tr := &recordingTransport{}
112 client := &Client{Transport: tr}
114 urlStr := "http://dummy.faketld/"
115 form := make(url.Values)
116 form.Set("foo", "bar")
117 form.Add("foo", "bar2")
118 form.Set("bar", "baz")
119 client.PostForm(urlStr, form) // Note: doesn't hit network
121 if tr.req.Method != "POST" {
122 t.Errorf("got method %q, want %q", tr.req.Method, "POST")
124 if tr.req.URL.String() != urlStr {
125 t.Errorf("got URL %q, want %q", tr.req.URL.String(), urlStr)
127 if tr.req.Header == nil {
128 t.Fatalf("expected non-nil request Header")
130 if g, e := tr.req.Header.Get("Content-Type"), "application/x-www-form-urlencoded"; g != e {
131 t.Errorf("got Content-Type %q, want %q", g, e)
134 t.Error("got Close true, want false")
136 // Depending on map iteration, body can be either of these.
137 expectedBody := "foo=bar&foo=bar2&bar=baz"
138 expectedBody1 := "bar=baz&foo=bar&foo=bar2"
139 if g, e := tr.req.ContentLength, int64(len(expectedBody)); g != e {
140 t.Errorf("got ContentLength %d, want %d", g, e)
142 bodyb, err := ioutil.ReadAll(tr.req.Body)
144 t.Fatalf("ReadAll on req.Body: %v", err)
146 if g := string(bodyb); g != expectedBody && g != expectedBody1 {
147 t.Errorf("got body %q, want %q or %q", g, expectedBody, expectedBody1)
151 func TestRedirects(t *testing.T) {
152 var ts *httptest.Server
153 ts = httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
154 n, _ := strconv.Atoi(r.FormValue("n"))
155 // Test Referer header. (7 is arbitrary position to test at)
157 if g, e := r.Referer(), ts.URL+"/?n=6"; e != g {
158 t.Errorf("on request ?n=7, expected referer of %q; got %q", e, g)
162 Redirect(w, r, fmt.Sprintf("/?n=%d", n+1), StatusFound)
165 fmt.Fprintf(w, "n=%d", n)
170 _, err := c.Get(ts.URL)
171 if e, g := "Get /?n=10: stopped after 10 redirects", fmt.Sprintf("%v", err); e != g {
172 t.Errorf("with default client Get, expected error %q, got %q", e, g)
175 // HEAD request should also have the ability to follow redirects.
176 _, err = c.Head(ts.URL)
177 if e, g := "Head /?n=10: stopped after 10 redirects", fmt.Sprintf("%v", err); e != g {
178 t.Errorf("with default client Head, expected error %q, got %q", e, g)
181 // Do should also follow redirects.
182 greq, _ := NewRequest("GET", ts.URL, nil)
184 if e, g := "Get /?n=10: stopped after 10 redirects", fmt.Sprintf("%v", err); e != g {
185 t.Errorf("with default client Do, expected error %q, got %q", e, g)
188 var checkErr os.Error
189 var lastVia []*Request
190 c = &Client{CheckRedirect: func(_ *Request, via []*Request) os.Error {
194 res, err := c.Get(ts.URL)
195 finalUrl := res.Request.URL.String()
196 if e, g := "<nil>", fmt.Sprintf("%v", err); e != g {
197 t.Errorf("with custom client, expected error %q, got %q", e, g)
199 if !strings.HasSuffix(finalUrl, "/?n=15") {
200 t.Errorf("expected final url to end in /?n=15; got url %q", finalUrl)
202 if e, g := 15, len(lastVia); e != g {
203 t.Errorf("expected lastVia to have contained %d elements; got %d", e, g)
206 checkErr = os.NewError("no redirects allowed")
207 res, err = c.Get(ts.URL)
208 finalUrl = res.Request.URL.String()
209 if e, g := "Get /?n=1: no redirects allowed", fmt.Sprintf("%v", err); e != g {
210 t.Errorf("with redirects forbidden, expected error %q, got %q", e, g)
214 func TestStreamingGet(t *testing.T) {
215 say := make(chan string)
216 ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
218 for str := range say {
226 res, err := c.Get(ts.URL)
231 for _, str := range []string{"i", "am", "also", "known", "as", "comet"} {
233 n, err := io.ReadFull(res.Body, buf[0:len(str)])
235 t.Fatalf("ReadFull on %q: %v", str, err)
238 t.Fatalf("Receiving %q, only read %d bytes", str, n)
240 got := string(buf[0:n])
242 t.Fatalf("Expected %q, got %q", str, got)
246 _, err = io.ReadFull(res.Body, buf[0:1])
248 t.Fatalf("at end expected EOF, got %v", err)
252 type writeCountingConn struct {
257 func (c *writeCountingConn) Write(p []byte) (int, os.Error) {
259 return c.Conn.Write(p)
262 // TestClientWrites verifies that client requests are buffered and we
263 // don't send a TCP packet per line of the http request + body.
264 func TestClientWrites(t *testing.T) {
265 ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
270 dialer := func(netz string, addr string) (net.Conn, os.Error) {
271 c, err := net.Dial(netz, addr)
273 c = &writeCountingConn{c, &writes}
277 c := &Client{Transport: &Transport{Dial: dialer}}
279 _, err := c.Get(ts.URL)
284 t.Errorf("Get request did %d Write calls, want 1", writes)
288 _, err = c.PostForm(ts.URL, url.Values{"foo": {"bar"}})
293 t.Errorf("Post request did %d Write calls, want 1", writes)
297 func TestClientInsecureTransport(t *testing.T) {
298 ts := httptest.NewTLSServer(HandlerFunc(func(w ResponseWriter, r *Request) {
299 w.Write([]byte("Hello"))
303 // TODO(bradfitz): add tests for skipping hostname checks too?
304 // would require a new cert for testing, and probably
305 // redundant with these tests.
306 for _, insecure := range []bool{true, false} {
308 TLSClientConfig: &tls.Config{
309 InsecureSkipVerify: insecure,
312 c := &Client{Transport: tr}
313 _, err := c.Get(ts.URL)
314 if (err == nil) != insecure {
315 t.Errorf("insecure=%v: got unexpected err=%v", insecure, err)