mirror of https://github.com/knative/pkg.git
78 lines
1.8 KiB
Go
78 lines
1.8 KiB
Go
/*
|
|
Copyright 2019 The Knative Authors
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package websocket
|
|
|
|
import (
|
|
"bufio"
|
|
"bytes"
|
|
"net"
|
|
"net/http"
|
|
"testing"
|
|
)
|
|
|
|
// hijackable is a http.ResponseWriter that implements http.Hijacker
|
|
type hijackable struct {
|
|
http.ResponseWriter
|
|
w *bufio.ReadWriter
|
|
}
|
|
|
|
// Hijack implements http.Hijacker
|
|
func (h *hijackable) Hijack() (net.Conn, *bufio.ReadWriter, error) {
|
|
return nil, h.w, nil
|
|
}
|
|
|
|
func newHijackable() *hijackable {
|
|
var b *bytes.Buffer
|
|
return &hijackable{
|
|
w: bufio.NewReadWriter(bufio.NewReader(b), bufio.NewWriter(b)),
|
|
}
|
|
}
|
|
|
|
type notHijackable struct {
|
|
http.ResponseWriter
|
|
}
|
|
|
|
func TestHijackIfPossible(t *testing.T) {
|
|
h := newHijackable()
|
|
for _, test := range []struct {
|
|
name string
|
|
w http.ResponseWriter
|
|
wantErr bool
|
|
wantReadWriter *bufio.ReadWriter
|
|
}{{
|
|
name: "Hijacker type",
|
|
w: h,
|
|
wantErr: false,
|
|
wantReadWriter: h.w,
|
|
}, {
|
|
name: "non-Hijacker type",
|
|
w: ¬Hijackable{},
|
|
wantErr: true,
|
|
wantReadWriter: nil,
|
|
}} {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
_, w, err := HijackIfPossible(test.w)
|
|
if test.wantErr == (err == nil) {
|
|
t.Errorf("wantErr=%v, but got err=%v", test.wantErr, err)
|
|
}
|
|
if test.wantReadWriter != w {
|
|
t.Errorf("Wanted ReadWriter %v got %v", test.wantReadWriter, w)
|
|
}
|
|
})
|
|
}
|
|
}
|