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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/parse"
"github.com/google/martian/v3/proxyutil"
)
func TestModifyRequestWithMultipleHeaders(t *testing.T) {
m := NewAppendModifier("X-Repeated", "modifier")
req, err := http.NewRequest("GET", "www.example.com", nil)
req.Header.Add("X-Repeated", "original")
if err != nil {
t.Fatalf("http.NewRequest(): got %v, want no error", err)
}
if err := m.ModifyRequest(req); err != nil {
t.Fatalf("ModifyRequest(): got %v, want no error", err)
}
if got, want := req.Header["X-Repeated"][0], "original"; got != want {
t.Errorf("req.Header[\"X-Repeated\"][0]: got %q, want %q", got, want)
}
if got, want := req.Header["X-Repeated"][1], "modifier"; got != want {
t.Errorf("req.Header[\"X-Repeated\"][1]: got %q, want %q", got, want)
}
}
func TestAppendModifierFromJSON(t *testing.T) {
msg := []byte(`{
"header.Append": {
"scope": ["request", "response"],
"name": "X-Martian",
"value": "true"
}
}`)
r, err := parse.FromJSON(msg)
if err != nil {
t.Fatalf("parse.FromJSON(): got %v, want no error", err)
}
req, err := http.NewRequest("GET", "http://martian.test", nil)
req.Header.Add("X-Martian", "false")
if err != nil {
t.Fatalf("http.NewRequest(): got %q, want no error", err)
}
reqmod := r.RequestModifier()
if reqmod == nil {
t.Fatalf("reqmod: got nil, want not nil")
}
if err := reqmod.ModifyRequest(req); err != nil {
t.Fatalf("reqmod.ModifyRequest(): got %v, want no error", err)
}
if n := len(req.Header["X-Martian"]); n != 2 {
t.Errorf("res.Header[%q]: got len %d, want 2", "X-Martian", n)
}
resmod := r.ResponseModifier()
if resmod == nil {
t.Fatalf("resmod: got nil, want not nil")
}
res := proxyutil.NewResponse(200, nil, req)
res.Header.Add("X-Martian", "false")
if err := resmod.ModifyResponse(res); err != nil {
t.Fatalf("resmod.ModifyResponse(): got %v, want no error", err)
}
if n := len(res.Header["X-Martian"]); n != 2 {
t.Errorf("res.Header[%q]: got len %d, want 2", "X-Martian", n)
}
}
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