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// 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"
"fmt"
"io"
"reflect"
"testing"
)
type respTest struct {
Raw string
Resp Response
Body string
}
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,
RequestMethod: "GET",
Header: map[string]string{
"Connection": "close", // TODO(rsc): Delete?
},
Close: true,
ContentLength: -1,
},
"Body here\n",
},
// 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,
RequestMethod: "GET",
Header: map[string]string{
"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" +
"0\r\n" +
"\r\n",
Response{
Status: "200 OK",
StatusCode: 200,
Proto: "HTTP/1.0",
ProtoMajor: 1,
ProtoMinor: 0,
RequestMethod: "GET",
Header: map[string]string{},
Close: true,
ContentLength: -1,
TransferEncoding: []string{"chunked"},
},
"Body here\n",
},
// 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,
RequestMethod: "GET",
Header: map[string]string{},
Close: true,
ContentLength: -1, // TODO(rsc): Fix?
TransferEncoding: []string{"chunked"},
},
"Body here\n",
},
// 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,
RequestMethod: "GET",
Header: map[string]string{},
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,
RequestMethod: "GET",
Header: map[string]string{},
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.RequestMethod)
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)
}
}
}
func diff(t *testing.T, prefix string, have, want interface{}) {
hv := reflect.NewValue(have).(*reflect.PtrValue).Elem().(*reflect.StructValue)
wv := reflect.NewValue(want).(*reflect.PtrValue).Elem().(*reflect.StructValue)
if hv.Type() != wv.Type() {
t.Errorf("%s: type mismatch %v vs %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().(*reflect.StructType).Field(i).Name, hf, wf)
}
}
}
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