github.com/google/martian/v3@v3.3.3/httpspec/httpspec_test.go (about) 1 // Copyright 2015 Google Inc. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package httpspec 16 17 import ( 18 "net/http" 19 "strings" 20 "testing" 21 22 "github.com/google/martian/v3" 23 "github.com/google/martian/v3/martiantest" 24 "github.com/google/martian/v3/proxyutil" 25 ) 26 27 func TestNewStack(t *testing.T) { 28 stack, fg := NewStack("martian") 29 30 tm := martiantest.NewModifier() 31 fg.AddRequestModifier(tm) 32 fg.AddResponseModifier(tm) 33 34 req, err := http.NewRequest("GET", "http://example.com", nil) 35 if err != nil { 36 t.Fatalf("http.NewRequest(): got %v, want no error", err) 37 } 38 39 _, remove, err := martian.TestContext(req, nil, nil) 40 if err != nil { 41 t.Fatalf("martian.TestContext(): got %v, want no error", err) 42 } 43 defer remove() 44 45 // Hop-by-hop header to be removed. 46 req.Header.Set("Hop-By-Hop", "true") 47 req.Header.Set("Connection", "Hop-By-Hop") 48 49 req.RemoteAddr = "10.0.0.1:5000" 50 51 if err := stack.ModifyRequest(req); err != nil { 52 t.Fatalf("ModifyRequest(): got %v, want no error", err) 53 } 54 55 if got, want := req.Header.Get("Hop-By-Hop"), ""; got != want { 56 t.Errorf("req.Header.Get(%q): got %q, want %q", "Hop-By-Hop", got, want) 57 } 58 if got, want := req.Header.Get("X-Forwarded-For"), "10.0.0.1"; got != want { 59 t.Errorf("req.Header.Get(%q): got %q, want %q", "X-Forwarded-For", got, want) 60 } 61 if got, want := req.Header.Get("Via"), "1.1 martian"; !strings.HasPrefix(got, want) { 62 t.Errorf("req.Header.Get(%q): got %q, want %q", "Via", got, want) 63 } 64 65 res := proxyutil.NewResponse(200, nil, req) 66 67 // Hop-by-hop header to be removed. 68 res.Header.Set("Hop-By-Hop", "true") 69 res.Header.Set("Connection", "Hop-By-Hop") 70 71 if err := stack.ModifyResponse(res); err != nil { 72 t.Fatalf("ModifyResponse(): got %v, want no error", err) 73 } 74 75 if got, want := res.Header.Get("Hop-By-Hop"), ""; got != want { 76 t.Errorf("res.Header.Get(%q): got %q, want %q", "Hop-By-Hop", got, want) 77 } 78 }