github.com/google/martian/v3@v3.3.3/header/header_modifier_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 header 16 17 import ( 18 "net/http" 19 "testing" 20 21 "github.com/google/martian/v3/parse" 22 "github.com/google/martian/v3/proxyutil" 23 ) 24 25 func TestNewHeaderModifier(t *testing.T) { 26 mod := NewModifier("testing", "true") 27 28 req, err := http.NewRequest("GET", "/", nil) 29 if err != nil { 30 t.Fatalf("NewRequest(): got %v, want no error", err) 31 } 32 33 if err := mod.ModifyRequest(req); err != nil { 34 t.Fatalf("ModifyRequest(): got %v, want no error", err) 35 } 36 if got, want := req.Header.Get("testing"), "true"; got != want { 37 t.Errorf("req.Header.Get(%q): got %q, want %q", "testing", got, want) 38 } 39 40 res := proxyutil.NewResponse(200, nil, req) 41 if err := mod.ModifyResponse(res); err != nil { 42 t.Fatalf("ModifyResponse(): got %v, want no error", err) 43 } 44 if got, want := req.Header.Get("testing"), "true"; got != want { 45 t.Errorf("req.Header.Get(%q): got %q, want %q", "testing", got, want) 46 } 47 } 48 49 func TestModifyRequestWithHostHeader(t *testing.T) { 50 m := NewModifier("Host", "www.google.com") 51 52 req, err := http.NewRequest("GET", "www.example.com", nil) 53 if err != nil { 54 t.Fatalf("http.NewRequest(): got %v, want no error", err) 55 } 56 57 if err := m.ModifyRequest(req); err != nil { 58 t.Fatalf("ModifyRequest(): got %v, want no error", err) 59 } 60 if got, want := req.Host, "www.google.com"; got != want { 61 t.Errorf("req.Host: got %q, want %q", got, want) 62 } 63 } 64 65 func TestModifierFromJSON(t *testing.T) { 66 msg := []byte(`{ 67 "header.Modifier": { 68 "scope": ["request", "response"], 69 "name": "X-Martian", 70 "value": "true" 71 } 72 }`) 73 74 r, err := parse.FromJSON(msg) 75 if err != nil { 76 t.Fatalf("parse.FromJSON(): got %v, want no error", err) 77 } 78 79 req, err := http.NewRequest("GET", "http://martian.test", nil) 80 req.Header.Add("X-Martian", "false") 81 if err != nil { 82 t.Fatalf("http.NewRequest(): got %q, want no error", err) 83 } 84 85 reqmod := r.RequestModifier() 86 87 if reqmod == nil { 88 t.Fatalf("reqmod: got nil, want not nil") 89 } 90 91 if err := reqmod.ModifyRequest(req); err != nil { 92 t.Fatalf("reqmod.ModifyRequest(): got %v, want no error", err) 93 } 94 95 if got, want := req.Header.Get("X-Martian"), "true"; got != want { 96 t.Errorf("req.Header.Get(%q): got %q, want %q", "X-Martian", got, want) 97 } 98 99 resmod := r.ResponseModifier() 100 101 if resmod == nil { 102 t.Fatalf("resmod: got nil, want not nil") 103 } 104 105 res := proxyutil.NewResponse(200, nil, req) 106 res.Header.Add("X-Martian", "false") 107 if err := resmod.ModifyResponse(res); err != nil { 108 t.Fatalf("resmod.ModifyResponse(): got %v, want no error", err) 109 } 110 111 if got, want := res.Header.Get("X-Martian"), "true"; got != want { 112 t.Errorf("res.Header.Get(%q): got %q, want %q", "X-Martian", got, want) 113 } 114 }