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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 httpspec
import (
"net/http"
"strings"
"testing"
"github.com/google/martian/v3"
"github.com/google/martian/v3/martiantest"
"github.com/google/martian/v3/proxyutil"
)
func TestNewStack(t *testing.T) {
stack, fg := NewStack("martian")
tm := martiantest.NewModifier()
fg.AddRequestModifier(tm)
fg.AddResponseModifier(tm)
req, err := http.NewRequest("GET", "http://example.com", nil)
if err != nil {
t.Fatalf("http.NewRequest(): got %v, want no error", err)
}
_, remove, err := martian.TestContext(req, nil, nil)
if err != nil {
t.Fatalf("martian.TestContext(): got %v, want no error", err)
}
defer remove()
// Hop-by-hop header to be removed.
req.Header.Set("Hop-By-Hop", "true")
req.Header.Set("Connection", "Hop-By-Hop")
req.RemoteAddr = "10.0.0.1:5000"
if err := stack.ModifyRequest(req); err != nil {
t.Fatalf("ModifyRequest(): got %v, want no error", err)
}
if got, want := req.Header.Get("Hop-By-Hop"), ""; got != want {
t.Errorf("req.Header.Get(%q): got %q, want %q", "Hop-By-Hop", got, want)
}
if got, want := req.Header.Get("X-Forwarded-For"), "10.0.0.1"; got != want {
t.Errorf("req.Header.Get(%q): got %q, want %q", "X-Forwarded-For", got, want)
}
if got, want := req.Header.Get("Via"), "1.1 martian"; !strings.HasPrefix(got, want) {
t.Errorf("req.Header.Get(%q): got %q, want %q", "Via", got, want)
}
res := proxyutil.NewResponse(200, nil, req)
// Hop-by-hop header to be removed.
res.Header.Set("Hop-By-Hop", "true")
res.Header.Set("Connection", "Hop-By-Hop")
if err := stack.ModifyResponse(res); err != nil {
t.Fatalf("ModifyResponse(): got %v, want no error", err)
}
if got, want := res.Header.Get("Hop-By-Hop"), ""; got != want {
t.Errorf("res.Header.Get(%q): got %q, want %q", "Hop-By-Hop", got, want)
}
}
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