github.com/google/martian/v3@v3.3.3/header/copy_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 TestCopyModifier(t *testing.T) { 26 m := NewCopyModifier("Original", "Copy") 27 28 req, err := http.NewRequest("GET", "http://example.com", nil) 29 if err != nil { 30 t.Fatalf("http.NewRequest(): got %v, want no error", err) 31 } 32 req.Header.Set("Original", "test") 33 34 if err := m.ModifyRequest(req); err != nil { 35 t.Fatalf("ModifyRequest(): got %v, want no error", err) 36 } 37 38 if got, want := req.Header.Get("Copy"), "test"; got != want { 39 t.Errorf("req.Header.Get(%q): got %q, want %q", "Copy", got, want) 40 } 41 42 res := proxyutil.NewResponse(200, nil, req) 43 res.Header.Set("Original", "test") 44 45 if err := m.ModifyResponse(res); err != nil { 46 t.Fatalf("ModifyResponse(): got %v, want no error", err) 47 } 48 49 if got, want := res.Header.Get("Copy"), "test"; got != want { 50 t.Errorf("res.Header.Get(%q): got %q, want %q", "Copy", got, want) 51 } 52 } 53 54 func TestCopyModifierFromJSON(t *testing.T) { 55 msg := []byte(`{ 56 "header.Copy": { 57 "from": "Original", 58 "to": "Copy", 59 "scope": ["request", "response"] 60 } 61 }`) 62 63 r, err := parse.FromJSON(msg) 64 if err != nil { 65 t.Fatalf("parse.FromJSON(): got %v, want no error", err) 66 } 67 68 req, err := http.NewRequest("GET", "http://example.com", nil) 69 if err != nil { 70 t.Fatalf("http.NewRequest(): got %q, want no error", err) 71 } 72 req.Header.Set("Original", "test") 73 74 reqmod := r.RequestModifier() 75 if reqmod == nil { 76 t.Fatal("reqmod: got nil, want not nil") 77 } 78 79 if err := reqmod.ModifyRequest(req); err != nil { 80 t.Fatalf("ModifyRequest(): got %v, want no error", err) 81 } 82 83 if got, want := req.Header.Get("Copy"), "test"; got != want { 84 t.Errorf("req.Header.Get(%q): got %q, want %q", "Copy", got, want) 85 } 86 87 resmod := r.ResponseModifier() 88 if resmod == nil { 89 t.Fatal("resmod: got nil, want not nil") 90 } 91 92 res := proxyutil.NewResponse(200, nil, req) 93 res.Header.Set("Original", "test") 94 95 if err := resmod.ModifyResponse(res); err != nil { 96 t.Fatalf("ModifyResponse(): got %v, want no error", err) 97 } 98 99 if got, want := res.Header.Get("Copy"), "test"; got != want { 100 t.Errorf("res.Header.Get(%q): got %q, want %q", "Copy", got, want) 101 } 102 }