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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"
- "strings"
- "testing"
-
- "github.com/google/martian"
- "github.com/google/martian/proxyutil"
- )
-
- func TestViaModifier(t *testing.T) {
- m := NewViaModifier("martian")
- req, err := http.NewRequest("GET", "/", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
- res := proxyutil.NewResponse(200, nil, req)
-
- ctx, remove, err := martian.TestContext(req, nil, nil)
- if err != nil {
- t.Fatalf("martian.TestContext(): got %v, want no error", err)
- }
- defer remove()
-
- if err := m.ModifyRequest(req); err != nil {
- t.Fatalf("ModifyRequest(): got %v, want no error", err)
- }
- if got, want := req.Header.Get("Via"), "1.1 martian"; !strings.HasPrefix(got, want) {
- t.Errorf("req.Header.Get(%q): got %q, want prefixed with %q", "Via", got, want)
- }
-
- if err := m.ModifyResponse(res); err != nil {
- t.Fatalf("ModifyResponse(): got %v, want no error", err)
- }
-
- req.Header.Set("Via", "1.0\talpha\t(martian)")
- if err := m.ModifyRequest(req); err != nil {
- t.Fatalf("ModifyRequest(): got %v, want no error", err)
- }
- if got, want := req.Header.Get("Via"), "1.0\talpha\t(martian), 1.1 martian"; !strings.HasPrefix(got, want) {
- t.Errorf("req.Header.Get(%q): got %q, want prefixed with %q", "Via", got, want)
- }
-
- m.SetBoundary("boundary")
- req.Header.Set("Via", "1.0\talpha\t(martian), 1.1 martian-boundary, 1.1 beta")
- if err := m.ModifyRequest(req); err == nil {
- t.Fatal("ModifyRequest(): got nil, want request loop error")
- }
- if !ctx.SkippingRoundTrip() {
- t.Errorf("ctx.SkippingRoundTrip(): got false, want true")
- }
-
- if err := m.ModifyResponse(res); err == nil {
- t.Fatal("ModifyResponse(): got nil, want request loop error")
- }
- if got, want := res.StatusCode, 400; got != want {
- t.Errorf("res.StatusCode: got %d, want %d", got, want)
- }
- if got, want := res.Status, http.StatusText(400); got != want {
- t.Errorf("res.Status: got %q, want %q", got, want)
- }
- }
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