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// Copyright 2015 Google Inc. All rights reserved.
//
// 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 header
import (
"net/http"
"testing"
"github.com/google/martian/v3/proxyutil"
)
func TestRemoveHopByHopHeaders(t *testing.T) {
m := NewHopByHopModifier()
req, err := http.NewRequest("GET", "/", nil)
if err != nil {
t.Fatalf("http.NewRequest(): got %v, want no error", err)
}
req.Header = http.Header{
// Additional hop-by-hop headers are listed in the
// Connection header.
"Connection": []string{
"X-Connection",
"X-Hop-By-Hop, close",
},
// RFC hop-by-hop headers.
"Keep-Alive": []string{},
"Proxy-Authenticate": []string{},
"Proxy-Authorization": []string{},
"Te": []string{},
"Trailer": []string{},
"Transfer-Encoding": []string{},
"Upgrade": []string{},
"Proxy-Connection": []string{},
// Hop-by-hop headers listed in the Connection header.
"X-Connection": []string{},
"X-Hop-By-Hop": []string{},
// End-to-end header that should not be removed.
"X-End-To-End": []string{},
}
if err := m.ModifyRequest(req); err != nil {
t.Fatalf("ModifyRequest(): got %v, want no error", err)
}
if got, want := len(req.Header), 1; got != want {
t.Fatalf("len(req.Header): got %d, want %d", got, want)
}
if _, ok := req.Header["X-End-To-End"]; !ok {
t.Errorf("req.Header[%q]: got !ok, want ok", "X-End-To-End")
}
res := proxyutil.NewResponse(200, nil, req)
res.Header = req.Header
if err := m.ModifyResponse(res); err != nil {
t.Fatalf("ModifyResponse(): got %v, want no error", err)
}
if got, want := len(res.Header), 1; got != want {
t.Fatalf("len(res.Header): got %d, want %d", got, want)
}
if _, ok := res.Header["X-End-To-End"]; !ok {
t.Errorf("res.Header[%q]: got !ok, want ok", "X-End-To-End")
}
}
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