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- // Copyright 2015 Google Inc. All rights reserved.
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
-
- package martianurl
-
- import (
- "net/http"
- "regexp"
- "testing"
-
- "github.com/google/martian"
- _ "github.com/google/martian/header"
- "github.com/google/martian/parse"
- "github.com/google/martian/proxyutil"
- )
-
- func TestRegexFilterModifyRequest(t *testing.T) {
- tt := []struct {
- want bool
- match string
- regstr string
- }{
- {
- match: "https://www.example.com",
- regstr: "https://.*",
- want: true,
- },
- {
- match: "http://www.example.com/subpath",
- regstr: ".*www.example.com.*",
- want: true,
- },
- {
- match: "https://www.example.com/subpath",
- regstr: ".*www.example.com.*",
- want: true,
- },
- {
- match: "http://www.example.com/test",
- regstr: ".*/test",
- want: true,
- },
- {
- match: "http://www.example.com?test=true",
- regstr: ".*test=true.*",
- want: true,
- },
- {
- match: "http://www.example.com#test",
- regstr: ".*test.*",
- want: true,
- },
- {
- match: "https://martian.local/test?test=true#test",
- regstr: "https://martian.local/test\\?test=true#test",
- want: true,
- },
- {
- match: "http://www.youtube.com/get_tags?tagone=yes",
- regstr: ".*www.youtube.com/get_tags\\?.*",
- want: true,
- },
- {
- match: "https://www.example.com",
- regstr: "http://.*",
- want: false,
- },
- {
- match: "http://www.martian.external",
- regstr: ".*www.martian.local.*",
- want: false,
- },
- {
- match: "http://www.example.com/testing",
- regstr: ".*/test$",
- want: false,
- },
- {
- match: "http://www.example.com?test=false",
- regstr: ".*test=true.*",
- want: false,
- },
- {
- match: "http://www.example.com#test",
- regstr: ".*#testing.*",
- want: false,
- },
- {
- match: "https://martian.local/test?test=true#test",
- // "\\\\" was the old way of adding a backslash in SAVR
- regstr: "https://martian.local/test\\\\?test=true#test",
- want: false,
- },
- {
- match: "http://www.youtube.com/get_tags/nope",
- regstr: ".*www.youtube.com/get_ad_tags\\?.*",
- want: false,
- },
- }
-
- for i, tc := range tt {
- req, err := http.NewRequest("GET", tc.match, nil)
- if err != nil {
- t.Fatalf("%d. NewRequest(): got %v, want no error", i, err)
- }
- regex, err := regexp.Compile(tc.regstr)
- if err != nil {
- t.Fatalf("%d. regexp.Compile(): got %v, want no error", i, err)
- }
-
- var modRun bool
- mod := NewRegexFilter(regex)
- mod.SetRequestModifier(martian.RequestModifierFunc(
- func(*http.Request) error {
- modRun = true
- return nil
- }))
-
- if err := mod.ModifyRequest(req); err != nil {
- t.Fatalf("%d. ModifyRequest(): got %q, want no error", i, err)
- }
-
- if modRun != tc.want {
- t.Errorf("%d. modRun: got %t, want %t", i, modRun, tc.want)
- }
- }
- }
-
- // The matching functionality is already tested above, so this just tests response setting.
- func TestRegexFilterModifyResponse(t *testing.T) {
- tt := []struct {
- want bool
- match string
- regstr string
- }{
- {
- match: "https://www.example.com",
- regstr: ".*www.example.com.*",
- want: true,
- },
- {
- match: "http://www.martian.external",
- regstr: ".*www.martian.local.*",
- want: false,
- },
- }
-
- for i, tc := range tt {
- req, err := http.NewRequest("GET", tc.match, nil)
- if err != nil {
- t.Fatalf("%d. NewRequest(): got %v, want no error", i, err)
- }
- res := proxyutil.NewResponse(200, nil, req)
- regex, err := regexp.Compile(tc.regstr)
- if err != nil {
- t.Fatalf("%d. regexp.Compile(): got %v, want no error", i, err)
- }
-
- var modRun bool
- mod := NewRegexFilter(regex)
- mod.SetResponseModifier(martian.ResponseModifierFunc(
- func(*http.Response) error {
- modRun = true
- return nil
- }))
-
- if err := mod.ModifyResponse(res); err != nil {
- t.Fatalf("%d. ModifyResponse(): got %q, want no error", i, err)
- }
-
- if modRun != tc.want {
- t.Errorf("%d. modRun: got %t, want %t", i, modRun, tc.want)
- }
- }
- }
-
- func TestRegexFilterFromJSON(t *testing.T) {
- rawMsg := `
- {
- "url.RegexFilter": {
- "scope": ["request", "response"],
- "regex": ".*martian.test.*",
- "modifier": {
- "header.Modifier": {
- "name": "Martian-Test",
- "value": "true",
- "scope": ["request", "response"]
- }
- }
- }
- }`
-
- r, err := parse.FromJSON([]byte(rawMsg))
- if err != nil {
- t.Fatalf("parse.FromJSON(): got %v, want no error", err)
- }
-
- reqmod := r.RequestModifier()
- if reqmod == nil {
- t.Errorf("reqmod: got nil, want not nil")
- }
-
- req, err := http.NewRequest("GET", "https://martian.test", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
-
- if err := reqmod.ModifyRequest(req); err != nil {
- t.Fatalf("reqmod.ModifyRequest(): got %v, want no error", err)
- }
-
- if got, want := req.Header.Get("Martian-Test"), "true"; got != want {
- t.Errorf("req.Header.Get(%q): got %q, want %q", "Martian-Test", got, want)
- }
-
- resmod := r.ResponseModifier()
- if resmod == nil {
- t.Fatalf("resmod: got nil, want not nil")
- }
-
- res := proxyutil.NewResponse(200, nil, req)
- if err := resmod.ModifyResponse(res); err != nil {
- t.Fatalf("resmod.ModifyResponse(): got %v, want no error", err)
- }
-
- if got, want := res.Header.Get("Martian-Test"), "true"; got != want {
- t.Errorf("res.Header.Get(%q): got %q, want %q", "Martian-Test", got, want)
- }
- }
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