github.com/google/martian/v3@v3.3.3/martian_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 martian 16 17 import ( 18 "net/http" 19 "testing" 20 21 "github.com/google/martian/v3/proxyutil" 22 ) 23 24 func TestModifierFuncs(t *testing.T) { 25 reqmod := RequestModifierFunc( 26 func(req *http.Request) error { 27 req.Header.Set("Request-Modified", "true") 28 return nil 29 }) 30 31 resmod := ResponseModifierFunc( 32 func(res *http.Response) error { 33 res.Header.Set("Response-Modified", "true") 34 return nil 35 }) 36 37 req, err := http.NewRequest("GET", "http://example.com", nil) 38 if err != nil { 39 t.Fatalf("http.NewRequest(): got %v, want no error", err) 40 } 41 42 if err := reqmod.ModifyRequest(req); err != nil { 43 t.Fatalf("reqmod.ModifyRequest(): got %v, want no error", err) 44 } 45 if got, want := req.Header.Get("Request-Modified"), "true"; got != want { 46 t.Errorf("req.Header.Get(%q): got %q, want %q", "Request-Modified", got, want) 47 } 48 49 res := proxyutil.NewResponse(200, nil, req) 50 51 if err := resmod.ModifyResponse(res); err != nil { 52 t.Fatalf("resmod.ModifyResponse(): got %v, want no error", err) 53 } 54 if got, want := res.Header.Get("Response-Modified"), "true"; got != want { 55 t.Errorf("res.Header.Get(%q): got %q, want %q", "Response-Modified", got, want) 56 } 57 }