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Diffstat (limited to 'libgo/go/net/http/response_test.go')
-rw-r--r--libgo/go/net/http/response_test.go446
1 files changed, 446 insertions, 0 deletions
diff --git a/libgo/go/net/http/response_test.go b/libgo/go/net/http/response_test.go
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+++ b/libgo/go/net/http/response_test.go
@@ -0,0 +1,446 @@
+// Copyright 2010 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 http
+
+import (
+ "bufio"
+ "bytes"
+ "compress/gzip"
+ "crypto/rand"
+ "fmt"
+ "io"
+ "io/ioutil"
+ "net/url"
+ "reflect"
+ "testing"
+)
+
+type respTest struct {
+ Raw string
+ Resp Response
+ Body string
+}
+
+func dummyReq(method string) *Request {
+ return &Request{Method: method}
+}
+
+var respTests = []respTest{
+ // Unchunked response without Content-Length.
+ {
+ "HTTP/1.0 200 OK\r\n" +
+ "Connection: close\r\n" +
+ "\r\n" +
+ "Body here\n",
+
+ Response{
+ Status: "200 OK",
+ StatusCode: 200,
+ Proto: "HTTP/1.0",
+ ProtoMajor: 1,
+ ProtoMinor: 0,
+ Request: dummyReq("GET"),
+ Header: Header{
+ "Connection": {"close"}, // TODO(rsc): Delete?
+ },
+ Close: true,
+ ContentLength: -1,
+ },
+
+ "Body here\n",
+ },
+
+ // Unchunked HTTP/1.1 response without Content-Length or
+ // Connection headers.
+ {
+ "HTTP/1.1 200 OK\r\n" +
+ "\r\n" +
+ "Body here\n",
+
+ Response{
+ Status: "200 OK",
+ StatusCode: 200,
+ Proto: "HTTP/1.1",
+ ProtoMajor: 1,
+ ProtoMinor: 1,
+ Request: dummyReq("GET"),
+ Close: true,
+ ContentLength: -1,
+ },
+
+ "Body here\n",
+ },
+
+ // Unchunked HTTP/1.1 204 response without Content-Length.
+ {
+ "HTTP/1.1 204 No Content\r\n" +
+ "\r\n" +
+ "Body should not be read!\n",
+
+ Response{
+ Status: "204 No Content",
+ StatusCode: 204,
+ Proto: "HTTP/1.1",
+ ProtoMajor: 1,
+ ProtoMinor: 1,
+ Request: dummyReq("GET"),
+ Close: false,
+ ContentLength: 0,
+ },
+
+ "",
+ },
+
+ // Unchunked response with Content-Length.
+ {
+ "HTTP/1.0 200 OK\r\n" +
+ "Content-Length: 10\r\n" +
+ "Connection: close\r\n" +
+ "\r\n" +
+ "Body here\n",
+
+ Response{
+ Status: "200 OK",
+ StatusCode: 200,
+ Proto: "HTTP/1.0",
+ ProtoMajor: 1,
+ ProtoMinor: 0,
+ Request: dummyReq("GET"),
+ Header: Header{
+ "Connection": {"close"}, // TODO(rsc): Delete?
+ "Content-Length": {"10"}, // TODO(rsc): Delete?
+ },
+ Close: true,
+ ContentLength: 10,
+ },
+
+ "Body here\n",
+ },
+
+ // Chunked response without Content-Length.
+ {
+ "HTTP/1.0 200 OK\r\n" +
+ "Transfer-Encoding: chunked\r\n" +
+ "\r\n" +
+ "0a\r\n" +
+ "Body here\n\r\n" +
+ "09\r\n" +
+ "continued\r\n" +
+ "0\r\n" +
+ "\r\n",
+
+ Response{
+ Status: "200 OK",
+ StatusCode: 200,
+ Proto: "HTTP/1.0",
+ ProtoMajor: 1,
+ ProtoMinor: 0,
+ Request: dummyReq("GET"),
+ Header: Header{},
+ Close: true,
+ ContentLength: -1,
+ TransferEncoding: []string{"chunked"},
+ },
+
+ "Body here\ncontinued",
+ },
+
+ // Chunked response with Content-Length.
+ {
+ "HTTP/1.0 200 OK\r\n" +
+ "Transfer-Encoding: chunked\r\n" +
+ "Content-Length: 10\r\n" +
+ "\r\n" +
+ "0a\r\n" +
+ "Body here\n" +
+ "0\r\n" +
+ "\r\n",
+
+ Response{
+ Status: "200 OK",
+ StatusCode: 200,
+ Proto: "HTTP/1.0",
+ ProtoMajor: 1,
+ ProtoMinor: 0,
+ Request: dummyReq("GET"),
+ Header: Header{},
+ Close: true,
+ ContentLength: -1, // TODO(rsc): Fix?
+ TransferEncoding: []string{"chunked"},
+ },
+
+ "Body here\n",
+ },
+
+ // Chunked response in response to a HEAD request (the "chunked" should
+ // be ignored, as HEAD responses never have bodies)
+ {
+ "HTTP/1.0 200 OK\r\n" +
+ "Transfer-Encoding: chunked\r\n" +
+ "\r\n",
+
+ Response{
+ Status: "200 OK",
+ StatusCode: 200,
+ Proto: "HTTP/1.0",
+ ProtoMajor: 1,
+ ProtoMinor: 0,
+ Request: dummyReq("HEAD"),
+ Header: Header{},
+ Close: true,
+ ContentLength: 0,
+ },
+
+ "",
+ },
+
+ // explicit Content-Length of 0.
+ {
+ "HTTP/1.1 200 OK\r\n" +
+ "Content-Length: 0\r\n" +
+ "\r\n",
+
+ Response{
+ Status: "200 OK",
+ StatusCode: 200,
+ Proto: "HTTP/1.1",
+ ProtoMajor: 1,
+ ProtoMinor: 1,
+ Request: dummyReq("GET"),
+ Header: Header{
+ "Content-Length": {"0"},
+ },
+ Close: false,
+ ContentLength: 0,
+ },
+
+ "",
+ },
+
+ // Status line without a Reason-Phrase, but trailing space.
+ // (permitted by RFC 2616)
+ {
+ "HTTP/1.0 303 \r\n\r\n",
+ Response{
+ Status: "303 ",
+ StatusCode: 303,
+ Proto: "HTTP/1.0",
+ ProtoMajor: 1,
+ ProtoMinor: 0,
+ Request: dummyReq("GET"),
+ Header: Header{},
+ Close: true,
+ ContentLength: -1,
+ },
+
+ "",
+ },
+
+ // Status line without a Reason-Phrase, and no trailing space.
+ // (not permitted by RFC 2616, but we'll accept it anyway)
+ {
+ "HTTP/1.0 303\r\n\r\n",
+ Response{
+ Status: "303 ",
+ StatusCode: 303,
+ Proto: "HTTP/1.0",
+ ProtoMajor: 1,
+ ProtoMinor: 0,
+ Request: dummyReq("GET"),
+ Header: Header{},
+ Close: true,
+ ContentLength: -1,
+ },
+
+ "",
+ },
+}
+
+func TestReadResponse(t *testing.T) {
+ for i := range respTests {
+ tt := &respTests[i]
+ var braw bytes.Buffer
+ braw.WriteString(tt.Raw)
+ resp, err := ReadResponse(bufio.NewReader(&braw), tt.Resp.Request)
+ if err != nil {
+ t.Errorf("#%d: %s", i, err)
+ continue
+ }
+ rbody := resp.Body
+ resp.Body = nil
+ diff(t, fmt.Sprintf("#%d Response", i), resp, &tt.Resp)
+ var bout bytes.Buffer
+ if rbody != nil {
+ io.Copy(&bout, rbody)
+ rbody.Close()
+ }
+ body := bout.String()
+ if body != tt.Body {
+ t.Errorf("#%d: Body = %q want %q", i, body, tt.Body)
+ }
+ }
+}
+
+var readResponseCloseInMiddleTests = []struct {
+ chunked, compressed bool
+}{
+ {false, false},
+ {true, false},
+ {true, true},
+}
+
+// TestReadResponseCloseInMiddle tests that closing a body after
+// reading only part of its contents advances the read to the end of
+// the request, right up until the next request.
+func TestReadResponseCloseInMiddle(t *testing.T) {
+ for _, test := range readResponseCloseInMiddleTests {
+ fatalf := func(format string, args ...interface{}) {
+ args = append([]interface{}{test.chunked, test.compressed}, args...)
+ t.Fatalf("on test chunked=%v, compressed=%v: "+format, args...)
+ }
+ checkErr := func(err error, msg string) {
+ if err == nil {
+ return
+ }
+ fatalf(msg+": %v", err)
+ }
+ var buf bytes.Buffer
+ buf.WriteString("HTTP/1.1 200 OK\r\n")
+ if test.chunked {
+ buf.WriteString("Transfer-Encoding: chunked\r\n")
+ } else {
+ buf.WriteString("Content-Length: 1000000\r\n")
+ }
+ var wr io.Writer = &buf
+ if test.chunked {
+ wr = &chunkedWriter{wr}
+ }
+ if test.compressed {
+ buf.WriteString("Content-Encoding: gzip\r\n")
+ var err error
+ wr, err = gzip.NewWriter(wr)
+ checkErr(err, "gzip.NewWriter")
+ }
+ buf.WriteString("\r\n")
+
+ chunk := bytes.Repeat([]byte{'x'}, 1000)
+ for i := 0; i < 1000; i++ {
+ if test.compressed {
+ // Otherwise this compresses too well.
+ _, err := io.ReadFull(rand.Reader, chunk)
+ checkErr(err, "rand.Reader ReadFull")
+ }
+ wr.Write(chunk)
+ }
+ if test.compressed {
+ err := wr.(*gzip.Compressor).Close()
+ checkErr(err, "compressor close")
+ }
+ if test.chunked {
+ buf.WriteString("0\r\n\r\n")
+ }
+ buf.WriteString("Next Request Here")
+
+ bufr := bufio.NewReader(&buf)
+ resp, err := ReadResponse(bufr, dummyReq("GET"))
+ checkErr(err, "ReadResponse")
+ expectedLength := int64(-1)
+ if !test.chunked {
+ expectedLength = 1000000
+ }
+ if resp.ContentLength != expectedLength {
+ fatalf("expected response length %d, got %d", expectedLength, resp.ContentLength)
+ }
+ if resp.Body == nil {
+ fatalf("nil body")
+ }
+ if test.compressed {
+ gzReader, err := gzip.NewReader(resp.Body)
+ checkErr(err, "gzip.NewReader")
+ resp.Body = &readFirstCloseBoth{gzReader, resp.Body}
+ }
+
+ rbuf := make([]byte, 2500)
+ n, err := io.ReadFull(resp.Body, rbuf)
+ checkErr(err, "2500 byte ReadFull")
+ if n != 2500 {
+ fatalf("ReadFull only read %d bytes", n)
+ }
+ if test.compressed == false && !bytes.Equal(bytes.Repeat([]byte{'x'}, 2500), rbuf) {
+ fatalf("ReadFull didn't read 2500 'x'; got %q", string(rbuf))
+ }
+ resp.Body.Close()
+
+ rest, err := ioutil.ReadAll(bufr)
+ checkErr(err, "ReadAll on remainder")
+ if e, g := "Next Request Here", string(rest); e != g {
+ fatalf("remainder = %q, expected %q", g, e)
+ }
+ }
+}
+
+func diff(t *testing.T, prefix string, have, want interface{}) {
+ hv := reflect.ValueOf(have).Elem()
+ wv := reflect.ValueOf(want).Elem()
+ if hv.Type() != wv.Type() {
+ t.Errorf("%s: type mismatch %v want %v", prefix, hv.Type(), wv.Type())
+ }
+ for i := 0; i < hv.NumField(); i++ {
+ hf := hv.Field(i).Interface()
+ wf := wv.Field(i).Interface()
+ if !reflect.DeepEqual(hf, wf) {
+ t.Errorf("%s: %s = %v want %v", prefix, hv.Type().Field(i).Name, hf, wf)
+ }
+ }
+}
+
+type responseLocationTest struct {
+ location string // Response's Location header or ""
+ requrl string // Response.Request.URL or ""
+ want string
+ wantErr error
+}
+
+var responseLocationTests = []responseLocationTest{
+ {"/foo", "http://bar.com/baz", "http://bar.com/foo", nil},
+ {"http://foo.com/", "http://bar.com/baz", "http://foo.com/", nil},
+ {"", "http://bar.com/baz", "", ErrNoLocation},
+}
+
+func TestLocationResponse(t *testing.T) {
+ for i, tt := range responseLocationTests {
+ res := new(Response)
+ res.Header = make(Header)
+ res.Header.Set("Location", tt.location)
+ if tt.requrl != "" {
+ res.Request = &Request{}
+ var err error
+ res.Request.URL, err = url.Parse(tt.requrl)
+ if err != nil {
+ t.Fatalf("bad test URL %q: %v", tt.requrl, err)
+ }
+ }
+
+ got, err := res.Location()
+ if tt.wantErr != nil {
+ if err == nil {
+ t.Errorf("%d. err=nil; want %q", i, tt.wantErr)
+ continue
+ }
+ if g, e := err.Error(), tt.wantErr.Error(); g != e {
+ t.Errorf("%d. err=%q; want %q", i, g, e)
+ continue
+ }
+ continue
+ }
+ if err != nil {
+ t.Errorf("%d. err=%q", i, err)
+ continue
+ }
+ if g, e := got.String(), tt.want; g != e {
+ t.Errorf("%d. Location=%q; want %q", i, g, e)
+ }
+ }
+}
generated by cgit v1.1 at 2024-07-20 04:15:34 +0000