github.com/google/martian/v3@v3.3.3/header/header_blacklist_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 TestBlacklistModifierOnRequest(t *testing.T) { 26 mod := NewBlacklistModifier("X-Testing") 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 req.Header.Set("X-Testing", "value") 34 req.Header.Set("Y-Testing", "value") 35 36 if err := mod.ModifyRequest(req); err != nil { 37 t.Fatalf("ModifyRequest(): got %v, want no error", err) 38 } 39 40 if _, ok := req.Header["X-Testing"]; ok { 41 t.Errorf("req.Header[%q]: got true, want false", "X-Testing") 42 } 43 44 if _, ok := req.Header["Y-Testing"]; !ok { 45 t.Errorf("req.Header[%q]: got false, want true", "Y-Testing") 46 } 47 } 48 49 func TestBlacklistModifierOnResponse(t *testing.T) { 50 mod := NewBlacklistModifier("X-Testing") 51 52 res := proxyutil.NewResponse(200, nil, nil) 53 54 res.Header.Set("X-Testing", "value") 55 res.Header.Set("Y-Testing", "value") 56 57 if err := mod.ModifyResponse(res); err != nil { 58 t.Fatalf("ModifyResponse(): got %v, want no error", err) 59 } 60 61 if _, ok := res.Header["X-Testing"]; ok { 62 t.Errorf("res.Header[%q]: got true, want false", "X-Testing") 63 } 64 65 if _, ok := res.Header["Y-Testing"]; !ok { 66 t.Errorf("res.Header[%q]: got false, want true", "Y-Testing") 67 } 68 } 69 70 func TestBlacklistModifierFromJSON(t *testing.T) { 71 msg := []byte(`{ 72 "header.Blacklist": { 73 "scope": ["request", "response"], 74 "names": ["X-Testing", "Y-Testing"] 75 } 76 }`) 77 r, err := parse.FromJSON(msg) 78 if err != nil { 79 t.Fatalf("parse.FromJSON(): got %v, want no error", err) 80 } 81 82 req, err := http.NewRequest("GET", "http://martian.test", nil) 83 if err != nil { 84 t.Fatalf("http.NewRequest(): got %q, want no error", err) 85 } 86 87 req.Header.Set("X-Testing", "value") 88 req.Header.Set("Y-Testing", "value") 89 req.Header.Set("Z-Testing", "value") 90 91 reqmod := r.RequestModifier() 92 if reqmod == nil { 93 t.Fatalf("reqmod: got nil, want not nil") 94 } 95 96 res := proxyutil.NewResponse(200, nil, req) 97 res.Header.Set("X-Testing", "value") 98 res.Header.Set("Y-Testing", "value") 99 res.Header.Set("Z-Testing", "value") 100 101 resmod := r.ResponseModifier() 102 if resmod == nil { 103 t.Fatalf("resmod: got nil, want not nil") 104 } 105 106 tt := []struct { 107 header string 108 want string 109 }{ 110 { 111 header: "X-Testing", 112 want: "", 113 }, 114 { 115 header: "Y-Testing", 116 want: "", 117 }, 118 { 119 header: "Z-Testing", 120 want: "value", 121 }, 122 } 123 124 for i, tc := range tt { 125 if err := reqmod.ModifyRequest(req); err != nil { 126 t.Fatalf("%d. reqmod.ModifyRequest(): got %v, want no error", i, err) 127 } 128 129 if got, want := req.Header.Get(tc.header), tc.want; got != want { 130 t.Errorf("%d. req.Header.Get(%q): got %q, want %q", i, tc.header, got, want) 131 } 132 133 if err := resmod.ModifyResponse(res); err != nil { 134 t.Fatalf("%d. resmod.ModifyResponse(): got %v, want no error", i, err) 135 } 136 137 if got, want := res.Header.Get(tc.header), tc.want; got != want { 138 t.Errorf("%d. res.Header.Get(%q): got %q, want %q", i, tc.header, got, want) 139 } 140 } 141 }