/third_party/gofrontend/libgo/go/net/http/client_test.go
Go | 1155 lines | 1004 code | 102 blank | 49 comment | 320 complexity | b6b100b833b8e2994f0e86a749277f2c MD5 | raw file
Possible License(s): BSD-3-Clause, MIT
- // 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 (https://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) {
- defer afterTest(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 // don't 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. https://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 TestBasicAuthHeadersPreserved(t *testing.T) {
- defer afterTest(t)
- tr := &recordingTransport{}
- client := &Client{Transport: tr}
- // If Authorization header is provided, username in URL should not override it
- url := "http://My%20User@dummy.faketld/"
- req, err := NewRequest("GET", url, nil)
- if err != nil {
- t.Fatal(err)
- }
- req.SetBasicAuth("My User", "My Pass")
- expected := "My User:My Pass"
- client.Do(req)
- 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.Fatal("expected error from ReadAll")
- }
- ne, ok := err.(net.Error)
- if !ok {
- t.Errorf("error value from ReadAll was %T; expected some net.Error", err)
- } else if !ne.Timeout() {
- t.Errorf("net.Error.Timeout = false; want true")
- }
- if got := ne.Error(); !strings.Contains(got, "Client.Timeout exceeded") {
- t.Errorf("error string = %q; missing timeout substring", got)
- }
- case <-time.After(failTime):
- t.Errorf("timeout after %v waiting for timeout of %v", failTime, timeout)
- }
- }
- // Client.Timeout firing before getting to the body
- func TestClientTimeout_Headers(t *testing.T) {
- if testing.Short() {
- t.Skip("skipping in short mode")
- }
- defer afterTest(t)
- donec := make(chan bool)
- ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
- <-donec
- }))
- defer ts.Close()
- // Note that we use a channel send here and not a close.
- // The race detector doesn't know that we're waiting for a timeout
- // and thinks that the waitgroup inside httptest.Server is added to concurrently
- // with us closing it. If we timed out immediately, we could close the testserver
- // before we entered the handler. We're not timing out immediately and there's
- // no way we would be done before we entered the handler, but the race detector
- // doesn't know this, so synchronize explicitly.
- defer func() { donec <- true }()
- c := &Client{Timeout: 500 * time.Millisecond}
- _, err := c.Get(ts.URL)
- if err == nil {
- t.Fatal("got response from Get; expected error")
- }
- ue, ok := err.(*url.Error)
- if !ok {
- t.Fatalf("Got error of type %T; want *url.Error", err)
- }
- ne, ok := ue.Err.(net.Error)
- if !ok {
- t.Fatalf("Got url.Error.Err of type %T; want some net.Error", err)
- }
- if !ne.Timeout() {
- t.Error("net.Error.Timeout = false; want true")
- }
- if got := ne.Error(); !strings.Contains(got, "Client.Timeout exceeded") {
- t.Errorf("error string = %q; missing timeout substring", got)
- }
- }
- 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"))
- }
- // How handlers set Trailers: declare it ahead of time
- // with the Trailer header, and then mutate the
- // Header() of those values later, after the response
- // has been written (we wrote to w above).
- w.Header().Set("Server-Trailer-A", "valuea")
- w.Header().Set("Server-Trailer-C", "valuec") // skipping B
- }))
- 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)
- }
- }
- }