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-rw-r--r--src/net/http/client_test.go1075
1 files changed, 1075 insertions, 0 deletions
diff --git a/src/net/http/client_test.go b/src/net/http/client_test.go
new file mode 100644
index 000000000..56b6563c4
--- /dev/null
+++ b/src/net/http/client_test.go
@@ -0,0 +1,1075 @@
+// Copyright 2009 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.
+
+// Tests for client.go
+
+package http_test
+
+import (
+ "bytes"
+ "crypto/tls"
+ "crypto/x509"
+ "encoding/base64"
+ "errors"
+ "fmt"
+ "io"
+ "io/ioutil"
+ "log"
+ "net"
+ . "net/http"
+ "net/http/httptest"
+ "net/url"
+ "reflect"
+ "sort"
+ "strconv"
+ "strings"
+ "sync"
+ "testing"
+ "time"
+)
+
+var robotsTxtHandler = HandlerFunc(func(w ResponseWriter, r *Request) {
+ w.Header().Set("Last-Modified", "sometime")
+ fmt.Fprintf(w, "User-agent: go\nDisallow: /something/")
+})
+
+// pedanticReadAll works like ioutil.ReadAll but additionally
+// verifies that r obeys the documented io.Reader contract.
+func pedanticReadAll(r io.Reader) (b []byte, err error) {
+ var bufa [64]byte
+ buf := bufa[:]
+ for {
+ n, err := r.Read(buf)
+ if n == 0 && err == nil {
+ return nil, fmt.Errorf("Read: n=0 with err=nil")
+ }
+ b = append(b, buf[:n]...)
+ if err == io.EOF {
+ n, err := r.Read(buf)
+ if n != 0 || err != io.EOF {
+ return nil, fmt.Errorf("Read: n=%d err=%#v after EOF", n, err)
+ }
+ return b, nil
+ }
+ if err != nil {
+ return b, err
+ }
+ }
+}
+
+type chanWriter chan string
+
+func (w chanWriter) Write(p []byte) (n int, err error) {
+ w <- string(p)
+ return len(p), nil
+}
+
+func TestClient(t *testing.T) {
+ defer afterTest(t)
+ ts := httptest.NewServer(robotsTxtHandler)
+ defer ts.Close()
+
+ r, err := Get(ts.URL)
+ var b []byte
+ if err == nil {
+ b, err = pedanticReadAll(r.Body)
+ r.Body.Close()
+ }
+ if err != nil {
+ t.Error(err)
+ } else if s := string(b); !strings.HasPrefix(s, "User-agent:") {
+ t.Errorf("Incorrect page body (did not begin with User-agent): %q", s)
+ }
+}
+
+func TestClientHead(t *testing.T) {
+ defer afterTest(t)
+ ts := httptest.NewServer(robotsTxtHandler)
+ defer ts.Close()
+
+ r, err := Head(ts.URL)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if _, ok := r.Header["Last-Modified"]; !ok {
+ t.Error("Last-Modified header not found.")
+ }
+}
+
+type recordingTransport struct {
+ req *Request
+}
+
+func (t *recordingTransport) RoundTrip(req *Request) (resp *Response, err error) {
+ t.req = req
+ return nil, errors.New("dummy impl")
+}
+
+func TestGetRequestFormat(t *testing.T) {
+ defer afterTest(t)
+ tr := &recordingTransport{}
+ client := &Client{Transport: tr}
+ url := "http://dummy.faketld/"
+ client.Get(url) // Note: doesn't hit network
+ if tr.req.Method != "GET" {
+ t.Errorf("expected method %q; got %q", "GET", tr.req.Method)
+ }
+ if tr.req.URL.String() != url {
+ t.Errorf("expected URL %q; got %q", url, tr.req.URL.String())
+ }
+ if tr.req.Header == nil {
+ t.Errorf("expected non-nil request Header")
+ }
+}
+
+func TestPostRequestFormat(t *testing.T) {
+ defer afterTest(t)
+ tr := &recordingTransport{}
+ client := &Client{Transport: tr}
+
+ url := "http://dummy.faketld/"
+ json := `{"key":"value"}`
+ b := strings.NewReader(json)
+ client.Post(url, "application/json", b) // Note: doesn't hit network
+
+ if tr.req.Method != "POST" {
+ t.Errorf("got method %q, want %q", tr.req.Method, "POST")
+ }
+ if tr.req.URL.String() != url {
+ t.Errorf("got URL %q, want %q", tr.req.URL.String(), url)
+ }
+ if tr.req.Header == nil {
+ t.Fatalf("expected non-nil request Header")
+ }
+ if tr.req.Close {
+ t.Error("got Close true, want false")
+ }
+ if g, e := tr.req.ContentLength, int64(len(json)); g != e {
+ t.Errorf("got ContentLength %d, want %d", g, e)
+ }
+}
+
+func TestPostFormRequestFormat(t *testing.T) {
+ defer afterTest(t)
+ tr := &recordingTransport{}
+ client := &Client{Transport: tr}
+
+ urlStr := "http://dummy.faketld/"
+ form := make(url.Values)
+ form.Set("foo", "bar")
+ form.Add("foo", "bar2")
+ form.Set("bar", "baz")
+ client.PostForm(urlStr, form) // Note: doesn't hit network
+
+ if tr.req.Method != "POST" {
+ t.Errorf("got method %q, want %q", tr.req.Method, "POST")
+ }
+ if tr.req.URL.String() != urlStr {
+ t.Errorf("got URL %q, want %q", tr.req.URL.String(), urlStr)
+ }
+ if tr.req.Header == nil {
+ t.Fatalf("expected non-nil request Header")
+ }
+ if g, e := tr.req.Header.Get("Content-Type"), "application/x-www-form-urlencoded"; g != e {
+ t.Errorf("got Content-Type %q, want %q", g, e)
+ }
+ if tr.req.Close {
+ t.Error("got Close true, want false")
+ }
+ // Depending on map iteration, body can be either of these.
+ expectedBody := "foo=bar&foo=bar2&bar=baz"
+ expectedBody1 := "bar=baz&foo=bar&foo=bar2"
+ if g, e := tr.req.ContentLength, int64(len(expectedBody)); g != e {
+ t.Errorf("got ContentLength %d, want %d", g, e)
+ }
+ bodyb, err := ioutil.ReadAll(tr.req.Body)
+ if err != nil {
+ t.Fatalf("ReadAll on req.Body: %v", err)
+ }
+ if g := string(bodyb); g != expectedBody && g != expectedBody1 {
+ t.Errorf("got body %q, want %q or %q", g, expectedBody, expectedBody1)
+ }
+}
+
+func TestClientRedirects(t *testing.T) {
+ defer afterTest(t)
+ var ts *httptest.Server
+ ts = httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ n, _ := strconv.Atoi(r.FormValue("n"))
+ // Test Referer header. (7 is arbitrary position to test at)
+ if n == 7 {
+ if g, e := r.Referer(), ts.URL+"/?n=6"; e != g {
+ t.Errorf("on request ?n=7, expected referer of %q; got %q", e, g)
+ }
+ }
+ if n < 15 {
+ Redirect(w, r, fmt.Sprintf("/?n=%d", n+1), StatusFound)
+ return
+ }
+ fmt.Fprintf(w, "n=%d", n)
+ }))
+ defer ts.Close()
+
+ c := &Client{}
+ _, err := c.Get(ts.URL)
+ if e, g := "Get /?n=10: stopped after 10 redirects", fmt.Sprintf("%v", err); e != g {
+ t.Errorf("with default client Get, expected error %q, got %q", e, g)
+ }
+
+ // HEAD request should also have the ability to follow redirects.
+ _, err = c.Head(ts.URL)
+ if e, g := "Head /?n=10: stopped after 10 redirects", fmt.Sprintf("%v", err); e != g {
+ t.Errorf("with default client Head, expected error %q, got %q", e, g)
+ }
+
+ // Do should also follow redirects.
+ greq, _ := NewRequest("GET", ts.URL, nil)
+ _, err = c.Do(greq)
+ if e, g := "Get /?n=10: stopped after 10 redirects", fmt.Sprintf("%v", err); e != g {
+ t.Errorf("with default client Do, expected error %q, got %q", e, g)
+ }
+
+ var checkErr error
+ var lastVia []*Request
+ c = &Client{CheckRedirect: func(_ *Request, via []*Request) error {
+ lastVia = via
+ return checkErr
+ }}
+ res, err := c.Get(ts.URL)
+ if err != nil {
+ t.Fatalf("Get error: %v", err)
+ }
+ res.Body.Close()
+ finalUrl := res.Request.URL.String()
+ if e, g := "<nil>", fmt.Sprintf("%v", err); e != g {
+ t.Errorf("with custom client, expected error %q, got %q", e, g)
+ }
+ if !strings.HasSuffix(finalUrl, "/?n=15") {
+ t.Errorf("expected final url to end in /?n=15; got url %q", finalUrl)
+ }
+ if e, g := 15, len(lastVia); e != g {
+ t.Errorf("expected lastVia to have contained %d elements; got %d", e, g)
+ }
+
+ checkErr = errors.New("no redirects allowed")
+ res, err = c.Get(ts.URL)
+ if urlError, ok := err.(*url.Error); !ok || urlError.Err != checkErr {
+ t.Errorf("with redirects forbidden, expected a *url.Error with our 'no redirects allowed' error inside; got %#v (%q)", err, err)
+ }
+ if res == nil {
+ t.Fatalf("Expected a non-nil Response on CheckRedirect failure (http://golang.org/issue/3795)")
+ }
+ res.Body.Close()
+ if res.Header.Get("Location") == "" {
+ t.Errorf("no Location header in Response")
+ }
+}
+
+func TestPostRedirects(t *testing.T) {
+ defer afterTest(t)
+ var log struct {
+ sync.Mutex
+ bytes.Buffer
+ }
+ var ts *httptest.Server
+ ts = httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ log.Lock()
+ fmt.Fprintf(&log.Buffer, "%s %s ", r.Method, r.RequestURI)
+ log.Unlock()
+ if v := r.URL.Query().Get("code"); v != "" {
+ code, _ := strconv.Atoi(v)
+ if code/100 == 3 {
+ w.Header().Set("Location", ts.URL)
+ }
+ w.WriteHeader(code)
+ }
+ }))
+ defer ts.Close()
+ tests := []struct {
+ suffix string
+ want int // response code
+ }{
+ {"/", 200},
+ {"/?code=301", 301},
+ {"/?code=302", 200},
+ {"/?code=303", 200},
+ {"/?code=404", 404},
+ }
+ for _, tt := range tests {
+ res, err := Post(ts.URL+tt.suffix, "text/plain", strings.NewReader("Some content"))
+ if err != nil {
+ t.Fatal(err)
+ }
+ if res.StatusCode != tt.want {
+ t.Errorf("POST %s: status code = %d; want %d", tt.suffix, res.StatusCode, tt.want)
+ }
+ }
+ log.Lock()
+ got := log.String()
+ log.Unlock()
+ want := "POST / POST /?code=301 POST /?code=302 GET / POST /?code=303 GET / POST /?code=404 "
+ if got != want {
+ t.Errorf("Log differs.\n Got: %q\nWant: %q", got, want)
+ }
+}
+
+var expectedCookies = []*Cookie{
+ {Name: "ChocolateChip", Value: "tasty"},
+ {Name: "First", Value: "Hit"},
+ {Name: "Second", Value: "Hit"},
+}
+
+var echoCookiesRedirectHandler = HandlerFunc(func(w ResponseWriter, r *Request) {
+ for _, cookie := range r.Cookies() {
+ SetCookie(w, cookie)
+ }
+ if r.URL.Path == "/" {
+ SetCookie(w, expectedCookies[1])
+ Redirect(w, r, "/second", StatusMovedPermanently)
+ } else {
+ SetCookie(w, expectedCookies[2])
+ w.Write([]byte("hello"))
+ }
+})
+
+func TestClientSendsCookieFromJar(t *testing.T) {
+ tr := &recordingTransport{}
+ client := &Client{Transport: tr}
+ client.Jar = &TestJar{perURL: make(map[string][]*Cookie)}
+ us := "http://dummy.faketld/"
+ u, _ := url.Parse(us)
+ client.Jar.SetCookies(u, expectedCookies)
+
+ client.Get(us) // Note: doesn't hit network
+ matchReturnedCookies(t, expectedCookies, tr.req.Cookies())
+
+ client.Head(us) // Note: doesn't hit network
+ matchReturnedCookies(t, expectedCookies, tr.req.Cookies())
+
+ client.Post(us, "text/plain", strings.NewReader("body")) // Note: doesn't hit network
+ matchReturnedCookies(t, expectedCookies, tr.req.Cookies())
+
+ client.PostForm(us, url.Values{}) // Note: doesn't hit network
+ matchReturnedCookies(t, expectedCookies, tr.req.Cookies())
+
+ req, _ := NewRequest("GET", us, nil)
+ client.Do(req) // Note: doesn't hit network
+ matchReturnedCookies(t, expectedCookies, tr.req.Cookies())
+
+ req, _ = NewRequest("POST", us, nil)
+ client.Do(req) // Note: doesn't hit network
+ matchReturnedCookies(t, expectedCookies, tr.req.Cookies())
+}
+
+// Just enough correctness for our redirect tests. Uses the URL.Host as the
+// scope of all cookies.
+type TestJar struct {
+ m sync.Mutex
+ perURL map[string][]*Cookie
+}
+
+func (j *TestJar) SetCookies(u *url.URL, cookies []*Cookie) {
+ j.m.Lock()
+ defer j.m.Unlock()
+ if j.perURL == nil {
+ j.perURL = make(map[string][]*Cookie)
+ }
+ j.perURL[u.Host] = cookies
+}
+
+func (j *TestJar) Cookies(u *url.URL) []*Cookie {
+ j.m.Lock()
+ defer j.m.Unlock()
+ return j.perURL[u.Host]
+}
+
+func TestRedirectCookiesJar(t *testing.T) {
+ defer afterTest(t)
+ var ts *httptest.Server
+ ts = httptest.NewServer(echoCookiesRedirectHandler)
+ defer ts.Close()
+ c := &Client{
+ Jar: new(TestJar),
+ }
+ u, _ := url.Parse(ts.URL)
+ c.Jar.SetCookies(u, []*Cookie{expectedCookies[0]})
+ resp, err := c.Get(ts.URL)
+ if err != nil {
+ t.Fatalf("Get: %v", err)
+ }
+ resp.Body.Close()
+ matchReturnedCookies(t, expectedCookies, resp.Cookies())
+}
+
+func matchReturnedCookies(t *testing.T, expected, given []*Cookie) {
+ if len(given) != len(expected) {
+ t.Logf("Received cookies: %v", given)
+ t.Errorf("Expected %d cookies, got %d", len(expected), len(given))
+ }
+ for _, ec := range expected {
+ foundC := false
+ for _, c := range given {
+ if ec.Name == c.Name && ec.Value == c.Value {
+ foundC = true
+ break
+ }
+ }
+ if !foundC {
+ t.Errorf("Missing cookie %v", ec)
+ }
+ }
+}
+
+func TestJarCalls(t *testing.T) {
+ defer afterTest(t)
+ ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ pathSuffix := r.RequestURI[1:]
+ if r.RequestURI == "/nosetcookie" {
+ return // dont set cookies for this path
+ }
+ SetCookie(w, &Cookie{Name: "name" + pathSuffix, Value: "val" + pathSuffix})
+ if r.RequestURI == "/" {
+ Redirect(w, r, "http://secondhost.fake/secondpath", 302)
+ }
+ }))
+ defer ts.Close()
+ jar := new(RecordingJar)
+ c := &Client{
+ Jar: jar,
+ Transport: &Transport{
+ Dial: func(_ string, _ string) (net.Conn, error) {
+ return net.Dial("tcp", ts.Listener.Addr().String())
+ },
+ },
+ }
+ _, err := c.Get("http://firsthost.fake/")
+ if err != nil {
+ t.Fatal(err)
+ }
+ _, err = c.Get("http://firsthost.fake/nosetcookie")
+ if err != nil {
+ t.Fatal(err)
+ }
+ got := jar.log.String()
+ want := `Cookies("http://firsthost.fake/")
+SetCookie("http://firsthost.fake/", [name=val])
+Cookies("http://secondhost.fake/secondpath")
+SetCookie("http://secondhost.fake/secondpath", [namesecondpath=valsecondpath])
+Cookies("http://firsthost.fake/nosetcookie")
+`
+ if got != want {
+ t.Errorf("Got Jar calls:\n%s\nWant:\n%s", got, want)
+ }
+}
+
+// RecordingJar keeps a log of calls made to it, without
+// tracking any cookies.
+type RecordingJar struct {
+ mu sync.Mutex
+ log bytes.Buffer
+}
+
+func (j *RecordingJar) SetCookies(u *url.URL, cookies []*Cookie) {
+ j.logf("SetCookie(%q, %v)\n", u, cookies)
+}
+
+func (j *RecordingJar) Cookies(u *url.URL) []*Cookie {
+ j.logf("Cookies(%q)\n", u)
+ return nil
+}
+
+func (j *RecordingJar) logf(format string, args ...interface{}) {
+ j.mu.Lock()
+ defer j.mu.Unlock()
+ fmt.Fprintf(&j.log, format, args...)
+}
+
+func TestStreamingGet(t *testing.T) {
+ defer afterTest(t)
+ say := make(chan string)
+ ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ w.(Flusher).Flush()
+ for str := range say {
+ w.Write([]byte(str))
+ w.(Flusher).Flush()
+ }
+ }))
+ defer ts.Close()
+
+ c := &Client{}
+ res, err := c.Get(ts.URL)
+ if err != nil {
+ t.Fatal(err)
+ }
+ var buf [10]byte
+ for _, str := range []string{"i", "am", "also", "known", "as", "comet"} {
+ say <- str
+ n, err := io.ReadFull(res.Body, buf[0:len(str)])
+ if err != nil {
+ t.Fatalf("ReadFull on %q: %v", str, err)
+ }
+ if n != len(str) {
+ t.Fatalf("Receiving %q, only read %d bytes", str, n)
+ }
+ got := string(buf[0:n])
+ if got != str {
+ t.Fatalf("Expected %q, got %q", str, got)
+ }
+ }
+ close(say)
+ _, err = io.ReadFull(res.Body, buf[0:1])
+ if err != io.EOF {
+ t.Fatalf("at end expected EOF, got %v", err)
+ }
+}
+
+type writeCountingConn struct {
+ net.Conn
+ count *int
+}
+
+func (c *writeCountingConn) Write(p []byte) (int, error) {
+ *c.count++
+ return c.Conn.Write(p)
+}
+
+// TestClientWrites verifies that client requests are buffered and we
+// don't send a TCP packet per line of the http request + body.
+func TestClientWrites(t *testing.T) {
+ defer afterTest(t)
+ ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ }))
+ defer ts.Close()
+
+ writes := 0
+ dialer := func(netz string, addr string) (net.Conn, error) {
+ c, err := net.Dial(netz, addr)
+ if err == nil {
+ c = &writeCountingConn{c, &writes}
+ }
+ return c, err
+ }
+ c := &Client{Transport: &Transport{Dial: dialer}}
+
+ _, err := c.Get(ts.URL)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if writes != 1 {
+ t.Errorf("Get request did %d Write calls, want 1", writes)
+ }
+
+ writes = 0
+ _, err = c.PostForm(ts.URL, url.Values{"foo": {"bar"}})
+ if err != nil {
+ t.Fatal(err)
+ }
+ if writes != 1 {
+ t.Errorf("Post request did %d Write calls, want 1", writes)
+ }
+}
+
+func TestClientInsecureTransport(t *testing.T) {
+ defer afterTest(t)
+ ts := httptest.NewTLSServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ w.Write([]byte("Hello"))
+ }))
+ errc := make(chanWriter, 10) // but only expecting 1
+ ts.Config.ErrorLog = log.New(errc, "", 0)
+ defer ts.Close()
+
+ // TODO(bradfitz): add tests for skipping hostname checks too?
+ // would require a new cert for testing, and probably
+ // redundant with these tests.
+ for _, insecure := range []bool{true, false} {
+ tr := &Transport{
+ TLSClientConfig: &tls.Config{
+ InsecureSkipVerify: insecure,
+ },
+ }
+ defer tr.CloseIdleConnections()
+ c := &Client{Transport: tr}
+ res, err := c.Get(ts.URL)
+ if (err == nil) != insecure {
+ t.Errorf("insecure=%v: got unexpected err=%v", insecure, err)
+ }
+ if res != nil {
+ res.Body.Close()
+ }
+ }
+
+ select {
+ case v := <-errc:
+ if !strings.Contains(v, "TLS handshake error") {
+ t.Errorf("expected an error log message containing 'TLS handshake error'; got %q", v)
+ }
+ case <-time.After(5 * time.Second):
+ t.Errorf("timeout waiting for logged error")
+ }
+
+}
+
+func TestClientErrorWithRequestURI(t *testing.T) {
+ defer afterTest(t)
+ req, _ := NewRequest("GET", "http://localhost:1234/", nil)
+ req.RequestURI = "/this/field/is/illegal/and/should/error/"
+ _, err := DefaultClient.Do(req)
+ if err == nil {
+ t.Fatalf("expected an error")
+ }
+ if !strings.Contains(err.Error(), "RequestURI") {
+ t.Errorf("wanted error mentioning RequestURI; got error: %v", err)
+ }
+}
+
+func newTLSTransport(t *testing.T, ts *httptest.Server) *Transport {
+ certs := x509.NewCertPool()
+ for _, c := range ts.TLS.Certificates {
+ roots, err := x509.ParseCertificates(c.Certificate[len(c.Certificate)-1])
+ if err != nil {
+ t.Fatalf("error parsing server's root cert: %v", err)
+ }
+ for _, root := range roots {
+ certs.AddCert(root)
+ }
+ }
+ return &Transport{
+ TLSClientConfig: &tls.Config{RootCAs: certs},
+ }
+}
+
+func TestClientWithCorrectTLSServerName(t *testing.T) {
+ defer afterTest(t)
+ ts := httptest.NewTLSServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ if r.TLS.ServerName != "127.0.0.1" {
+ t.Errorf("expected client to set ServerName 127.0.0.1, got: %q", r.TLS.ServerName)
+ }
+ }))
+ defer ts.Close()
+
+ c := &Client{Transport: newTLSTransport(t, ts)}
+ if _, err := c.Get(ts.URL); err != nil {
+ t.Fatalf("expected successful TLS connection, got error: %v", err)
+ }
+}
+
+func TestClientWithIncorrectTLSServerName(t *testing.T) {
+ defer afterTest(t)
+ ts := httptest.NewTLSServer(HandlerFunc(func(w ResponseWriter, r *Request) {}))
+ defer ts.Close()
+ errc := make(chanWriter, 10) // but only expecting 1
+ ts.Config.ErrorLog = log.New(errc, "", 0)
+
+ trans := newTLSTransport(t, ts)
+ trans.TLSClientConfig.ServerName = "badserver"
+ c := &Client{Transport: trans}
+ _, err := c.Get(ts.URL)
+ if err == nil {
+ t.Fatalf("expected an error")
+ }
+ if !strings.Contains(err.Error(), "127.0.0.1") || !strings.Contains(err.Error(), "badserver") {
+ t.Errorf("wanted error mentioning 127.0.0.1 and badserver; got error: %v", err)
+ }
+ select {
+ case v := <-errc:
+ if !strings.Contains(v, "TLS handshake error") {
+ t.Errorf("expected an error log message containing 'TLS handshake error'; got %q", v)
+ }
+ case <-time.After(5 * time.Second):
+ t.Errorf("timeout waiting for logged error")
+ }
+}
+
+// Test for golang.org/issue/5829; the Transport should respect TLSClientConfig.ServerName
+// when not empty.
+//
+// tls.Config.ServerName (non-empty, set to "example.com") takes
+// precedence over "some-other-host.tld" which previously incorrectly
+// took precedence. We don't actually connect to (or even resolve)
+// "some-other-host.tld", though, because of the Transport.Dial hook.
+//
+// The httptest.Server has a cert with "example.com" as its name.
+func TestTransportUsesTLSConfigServerName(t *testing.T) {
+ defer afterTest(t)
+ ts := httptest.NewTLSServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ w.Write([]byte("Hello"))
+ }))
+ defer ts.Close()
+
+ tr := newTLSTransport(t, ts)
+ tr.TLSClientConfig.ServerName = "example.com" // one of httptest's Server cert names
+ tr.Dial = func(netw, addr string) (net.Conn, error) {
+ return net.Dial(netw, ts.Listener.Addr().String())
+ }
+ defer tr.CloseIdleConnections()
+ c := &Client{Transport: tr}
+ res, err := c.Get("https://some-other-host.tld/")
+ if err != nil {
+ t.Fatal(err)
+ }
+ res.Body.Close()
+}
+
+func TestResponseSetsTLSConnectionState(t *testing.T) {
+ defer afterTest(t)
+ ts := httptest.NewTLSServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ w.Write([]byte("Hello"))
+ }))
+ defer ts.Close()
+
+ tr := newTLSTransport(t, ts)
+ tr.TLSClientConfig.CipherSuites = []uint16{tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA}
+ tr.Dial = func(netw, addr string) (net.Conn, error) {
+ return net.Dial(netw, ts.Listener.Addr().String())
+ }
+ defer tr.CloseIdleConnections()
+ c := &Client{Transport: tr}
+ res, err := c.Get("https://example.com/")
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer res.Body.Close()
+ if res.TLS == nil {
+ t.Fatal("Response didn't set TLS Connection State.")
+ }
+ if got, want := res.TLS.CipherSuite, tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA; got != want {
+ t.Errorf("TLS Cipher Suite = %d; want %d", got, want)
+ }
+}
+
+// Verify Response.ContentLength is populated. http://golang.org/issue/4126
+func TestClientHeadContentLength(t *testing.T) {
+ defer afterTest(t)
+ ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ if v := r.FormValue("cl"); v != "" {
+ w.Header().Set("Content-Length", v)
+ }
+ }))
+ defer ts.Close()
+ tests := []struct {
+ suffix string
+ want int64
+ }{
+ {"/?cl=1234", 1234},
+ {"/?cl=0", 0},
+ {"", -1},
+ }
+ for _, tt := range tests {
+ req, _ := NewRequest("HEAD", ts.URL+tt.suffix, nil)
+ res, err := DefaultClient.Do(req)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if res.ContentLength != tt.want {
+ t.Errorf("Content-Length = %d; want %d", res.ContentLength, tt.want)
+ }
+ bs, err := ioutil.ReadAll(res.Body)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if len(bs) != 0 {
+ t.Errorf("Unexpected content: %q", bs)
+ }
+ }
+}
+
+func TestEmptyPasswordAuth(t *testing.T) {
+ defer afterTest(t)
+ gopher := "gopher"
+ ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ auth := r.Header.Get("Authorization")
+ if strings.HasPrefix(auth, "Basic ") {
+ encoded := auth[6:]
+ decoded, err := base64.StdEncoding.DecodeString(encoded)
+ if err != nil {
+ t.Fatal(err)
+ }
+ expected := gopher + ":"
+ s := string(decoded)
+ if expected != s {
+ t.Errorf("Invalid Authorization header. Got %q, wanted %q", s, expected)
+ }
+ } else {
+ t.Errorf("Invalid auth %q", auth)
+ }
+ }))
+ defer ts.Close()
+ c := &Client{}
+ req, err := NewRequest("GET", ts.URL, nil)
+ if err != nil {
+ t.Fatal(err)
+ }
+ req.URL.User = url.User(gopher)
+ resp, err := c.Do(req)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer resp.Body.Close()
+}
+
+func TestBasicAuth(t *testing.T) {
+ defer afterTest(t)
+ tr := &recordingTransport{}
+ client := &Client{Transport: tr}
+
+ url := "http://My%20User:My%20Pass@dummy.faketld/"
+ expected := "My User:My Pass"
+ client.Get(url)
+
+ if tr.req.Method != "GET" {
+ t.Errorf("got method %q, want %q", tr.req.Method, "GET")
+ }
+ if tr.req.URL.String() != url {
+ t.Errorf("got URL %q, want %q", tr.req.URL.String(), url)
+ }
+ if tr.req.Header == nil {
+ t.Fatalf("expected non-nil request Header")
+ }
+ auth := tr.req.Header.Get("Authorization")
+ if strings.HasPrefix(auth, "Basic ") {
+ encoded := auth[6:]
+ decoded, err := base64.StdEncoding.DecodeString(encoded)
+ if err != nil {
+ t.Fatal(err)
+ }
+ s := string(decoded)
+ if expected != s {
+ t.Errorf("Invalid Authorization header. Got %q, wanted %q", s, expected)
+ }
+ } else {
+ t.Errorf("Invalid auth %q", auth)
+ }
+}
+
+func TestClientTimeout(t *testing.T) {
+ if testing.Short() {
+ t.Skip("skipping in short mode")
+ }
+ defer afterTest(t)
+ sawRoot := make(chan bool, 1)
+ sawSlow := make(chan bool, 1)
+ ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ if r.URL.Path == "/" {
+ sawRoot <- true
+ Redirect(w, r, "/slow", StatusFound)
+ return
+ }
+ if r.URL.Path == "/slow" {
+ w.Write([]byte("Hello"))
+ w.(Flusher).Flush()
+ sawSlow <- true
+ time.Sleep(2 * time.Second)
+ return
+ }
+ }))
+ defer ts.Close()
+ const timeout = 500 * time.Millisecond
+ c := &Client{
+ Timeout: timeout,
+ }
+
+ res, err := c.Get(ts.URL)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ select {
+ case <-sawRoot:
+ // good.
+ default:
+ t.Fatal("handler never got / request")
+ }
+
+ select {
+ case <-sawSlow:
+ // good.
+ default:
+ t.Fatal("handler never got /slow request")
+ }
+
+ errc := make(chan error, 1)
+ go func() {
+ _, err := ioutil.ReadAll(res.Body)
+ errc <- err
+ res.Body.Close()
+ }()
+
+ const failTime = timeout * 2
+ select {
+ case err := <-errc:
+ if err == nil {
+ t.Error("expected error from ReadAll")
+ }
+ // Expected error.
+ case <-time.After(failTime):
+ t.Errorf("timeout after %v waiting for timeout of %v", failTime, timeout)
+ }
+}
+
+func TestClientRedirectEatsBody(t *testing.T) {
+ defer afterTest(t)
+ saw := make(chan string, 2)
+ ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ saw <- r.RemoteAddr
+ if r.URL.Path == "/" {
+ Redirect(w, r, "/foo", StatusFound) // which includes a body
+ }
+ }))
+ defer ts.Close()
+
+ res, err := Get(ts.URL)
+ if err != nil {
+ t.Fatal(err)
+ }
+ _, err = ioutil.ReadAll(res.Body)
+ if err != nil {
+ t.Fatal(err)
+ }
+ res.Body.Close()
+
+ var first string
+ select {
+ case first = <-saw:
+ default:
+ t.Fatal("server didn't see a request")
+ }
+
+ var second string
+ select {
+ case second = <-saw:
+ default:
+ t.Fatal("server didn't see a second request")
+ }
+
+ if first != second {
+ t.Fatal("server saw different client ports before & after the redirect")
+ }
+}
+
+// eofReaderFunc is an io.Reader that runs itself, and then returns io.EOF.
+type eofReaderFunc func()
+
+func (f eofReaderFunc) Read(p []byte) (n int, err error) {
+ f()
+ return 0, io.EOF
+}
+
+func TestClientTrailers(t *testing.T) {
+ defer afterTest(t)
+ ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
+ w.Header().Set("Connection", "close")
+ w.Header().Set("Trailer", "Server-Trailer-A, Server-Trailer-B")
+ w.Header().Add("Trailer", "Server-Trailer-C")
+
+ var decl []string
+ for k := range r.Trailer {
+ decl = append(decl, k)
+ }
+ sort.Strings(decl)
+
+ slurp, err := ioutil.ReadAll(r.Body)
+ if err != nil {
+ t.Errorf("Server reading request body: %v", err)
+ }
+ if string(slurp) != "foo" {
+ t.Errorf("Server read request body %q; want foo", slurp)
+ }
+ if r.Trailer == nil {
+ io.WriteString(w, "nil Trailer")
+ } else {
+ fmt.Fprintf(w, "decl: %v, vals: %s, %s",
+ decl,
+ r.Trailer.Get("Client-Trailer-A"),
+ r.Trailer.Get("Client-Trailer-B"))
+ }
+
+ // TODO: golang.org/issue/7759: there's no way yet for
+ // the server to set trailers without hijacking, so do
+ // that for now, just to test the client. Later, in
+ // Go 1.4, it should be implicit that any mutations
+ // to w.Header() after the initial write are the
+ // trailers to be sent, if and only if they were
+ // previously declared with w.Header().Set("Trailer",
+ // ..keys..)
+ w.(Flusher).Flush()
+ conn, buf, _ := w.(Hijacker).Hijack()
+ t := Header{}
+ t.Set("Server-Trailer-A", "valuea")
+ t.Set("Server-Trailer-C", "valuec") // skipping B
+ buf.WriteString("0\r\n") // eof
+ t.Write(buf)
+ buf.WriteString("\r\n") // end of trailers
+ buf.Flush()
+ conn.Close()
+ }))
+ defer ts.Close()
+
+ var req *Request
+ req, _ = NewRequest("POST", ts.URL, io.MultiReader(
+ eofReaderFunc(func() {
+ req.Trailer["Client-Trailer-A"] = []string{"valuea"}
+ }),
+ strings.NewReader("foo"),
+ eofReaderFunc(func() {
+ req.Trailer["Client-Trailer-B"] = []string{"valueb"}
+ }),
+ ))
+ req.Trailer = Header{
+ "Client-Trailer-A": nil, // to be set later
+ "Client-Trailer-B": nil, // to be set later
+ }
+ req.ContentLength = -1
+ res, err := DefaultClient.Do(req)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if err := wantBody(res, err, "decl: [Client-Trailer-A Client-Trailer-B], vals: valuea, valueb"); err != nil {
+ t.Error(err)
+ }
+ want := Header{
+ "Server-Trailer-A": []string{"valuea"},
+ "Server-Trailer-B": nil,
+ "Server-Trailer-C": []string{"valuec"},
+ }
+ if !reflect.DeepEqual(res.Trailer, want) {
+ t.Errorf("Response trailers = %#v; want %#v", res.Trailer, want)
+ }
+}
+
+func TestReferer(t *testing.T) {
+ tests := []struct {
+ lastReq, newReq string // from -> to URLs
+ want string
+ }{
+ // don't send user:
+ {"http://gopher@test.com", "http://link.com", "http://test.com"},
+ {"https://gopher@test.com", "https://link.com", "https://test.com"},
+
+ // don't send a user and password:
+ {"http://gopher:go@test.com", "http://link.com", "http://test.com"},
+ {"https://gopher:go@test.com", "https://link.com", "https://test.com"},
+
+ // nothing to do:
+ {"http://test.com", "http://link.com", "http://test.com"},
+ {"https://test.com", "https://link.com", "https://test.com"},
+
+ // https to http doesn't send a referer:
+ {"https://test.com", "http://link.com", ""},
+ {"https://gopher:go@test.com", "http://link.com", ""},
+ }
+ for _, tt := range tests {
+ l, err := url.Parse(tt.lastReq)
+ if err != nil {
+ t.Fatal(err)
+ }
+ n, err := url.Parse(tt.newReq)
+ if err != nil {
+ t.Fatal(err)
+ }
+ r := ExportRefererForURL(l, n)
+ if r != tt.want {
+ t.Errorf("refererForURL(%q, %q) = %q; want %q", tt.lastReq, tt.newReq, r, tt.want)
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-14 02:48:57 +0000