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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 header
-
- import (
- "net/http"
- "testing"
-
- "github.com/google/martian/filter"
- "github.com/google/martian/martiantest"
- "github.com/google/martian/parse"
- "github.com/google/martian/proxyutil"
- )
-
- func TestFilterFromJSON(t *testing.T) {
- msg := []byte(`{
- "header.Filter": {
- "scope": ["request", "response"],
- "name": "Martian-Passthrough",
- "value": "true",
- "modifier": {
- "header.Modifier" : {
- "scope": ["request", "response"],
- "name": "Martian-Testing",
- "value": "true"
- }
- },
- "else": {
- "header.Modifier" : {
- "scope": ["request", "response"],
- "name": "Martian-Testing",
- "value": "false"
- }
- }
- }
- }`)
-
- r, err := parse.FromJSON(msg)
- if err != nil {
- t.Fatalf("parse.FromJSON(): got %v, want no error", err)
- }
- reqmod := r.RequestModifier()
- if reqmod == nil {
- t.Fatal("reqmod: got nil, want not nil")
- }
-
- // Matching condition for request
- req, err := http.NewRequest("GET", "http://example.com", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
- req.Header.Set("Martian-Passthrough", "true")
- if err := reqmod.ModifyRequest(req); err != nil {
- t.Fatalf("ModifyRequest(): got %v, want no error", err)
- }
- if got, want := req.Header.Get("Martian-Testing"), "true"; got != want {
- t.Fatalf("req.Header.Get(%q): got %q, want %q", "Martian-Testing", got, want)
- }
-
- // Else condition for request
- req, err = http.NewRequest("GET", "http://example.com", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
- req.Header.Set("Martian-Passthrough", "false")
- if err := reqmod.ModifyRequest(req); err != nil {
- t.Fatalf("ModifyRequest(): got %v, want no error", err)
- }
- if got, want := req.Header.Get("Martian-Testing"), "false"; got != want {
- t.Fatalf("req.Header.Get(%q): got %q, want %q", "Martian-Testing", got, want)
- }
-
- // Matching condition for response
- resmod := r.ResponseModifier()
- if resmod == nil {
- t.Fatal("resmod: got nil, want not nil")
- }
-
- res := proxyutil.NewResponse(200, nil, req)
- res.Header.Set("Martian-Passthrough", "true")
- if err := resmod.ModifyResponse(res); err != nil {
- t.Fatalf("ModifyResponse(): got %v, want no error", err)
- }
- if got, want := res.Header.Get("Martian-Testing"), "true"; got != want {
- t.Fatalf("res.Header.Get(%q): got %q, want %q", "Martian-Testing", got, want)
- }
-
- // Else condition for response
- resmod = r.ResponseModifier()
- if resmod == nil {
- t.Fatal("resmod: got nil, want not nil")
- }
-
- res = proxyutil.NewResponse(200, nil, req)
- res.Header.Set("Martian-Passthrough", "false")
- if err := resmod.ModifyResponse(res); err != nil {
- t.Fatalf("ModifyResponse(): got %v, want no error", err)
- }
- if got, want := res.Header.Get("Martian-Testing"), "false"; got != want {
- t.Fatalf("res.Header.Get(%q): got %q, want %q", "Martian-Testing", got, want)
- }
- }
-
- func TestFilterFromJSONWithoutElse(t *testing.T) {
- msg := []byte(`{
- "header.Filter": {
- "scope": ["request", "response"],
- "name": "Martian-Passthrough",
- "value": "true",
- "modifier": {
- "header.Modifier" : {
- "scope": ["request", "response"],
- "name": "Martian-Testing",
- "value": "true"
- }
- }
- }
- }`)
- _, err := parse.FromJSON(msg)
- if err != nil {
- t.Fatalf("parse.FromJSON(): got %v, want no error", err)
- }
- }
-
- func TestRequestWhenTrueCondition(t *testing.T) {
- hm := NewMatcher("Martian-Testing", "true")
-
- tt := []struct {
- name string
- values []string
- want bool
- }{
- {
- name: "Martian-Production",
- values: []string{"true"},
- want: false,
- },
- {
- name: "Martian-Testing",
- values: []string{"see-next-value", "true"},
- want: true,
- },
- }
-
- for i, tc := range tt {
- tm := martiantest.NewModifier()
-
- f := filter.New()
- f.SetRequestCondition(hm)
- f.RequestWhenTrue(tm)
-
- req, err := http.NewRequest("GET", "/", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
-
- req.Header[tc.name] = tc.values
-
- if err := f.ModifyRequest(req); err != nil {
- t.Fatalf("%d. ModifyRequest(): got %v, want no error", i, err)
- }
-
- if tm.RequestModified() != tc.want {
- t.Errorf("%d. tm.RequestModified(): got %t, want %t", i, tm.RequestModified(), tc.want)
- }
- }
- }
-
- func TestRequestWhenFalse(t *testing.T) {
- hm := NewMatcher("Martian-Testing", "true")
- tt := []struct {
- name string
- values []string
- want bool
- }{
- {
- name: "Martian-Production",
- values: []string{"true"},
- want: true,
- },
- {
- name: "Martian-Testing",
- values: []string{"see-next-value", "true"},
- want: false,
- },
- }
-
- for i, tc := range tt {
- tm := martiantest.NewModifier()
-
- f := filter.New()
- f.SetRequestCondition(hm)
- f.RequestWhenFalse(tm)
-
- req, err := http.NewRequest("GET", "/", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
-
- req.Header[tc.name] = tc.values
-
- if err := f.ModifyRequest(req); err != nil {
- t.Fatalf("%d. ModifyRequest(): got %v, want no error", i, err)
- }
-
- if tm.RequestModified() != tc.want {
- t.Errorf("%d. tm.RequestModified(): got %t, want %t", i, tm.RequestModified(), tc.want)
- }
- }
- }
-
- func TestResponseWhenTrue(t *testing.T) {
- hm := NewMatcher("Martian-Testing", "true")
-
- tt := []struct {
- name string
- values []string
- want bool
- }{
- {
- name: "Martian-Production",
- values: []string{"true"},
- want: false,
- },
- {
- name: "Martian-Testing",
- values: []string{"see-next-value", "true"},
- want: true,
- },
- }
-
- for i, tc := range tt {
- tm := martiantest.NewModifier()
-
- f := filter.New()
- f.SetResponseCondition(hm)
- f.ResponseWhenTrue(tm)
-
- req, err := http.NewRequest("GET", "/", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
-
- res := proxyutil.NewResponse(200, nil, req)
-
- res.Header[tc.name] = tc.values
-
- if err := f.ModifyResponse(res); err != nil {
- t.Fatalf("%d. ModifyResponse(): got %v, want no error", i, err)
- }
-
- if tm.ResponseModified() != tc.want {
- t.Errorf("%d. tm.ResponseModified(): got %t, want %t", i, tm.RequestModified(), tc.want)
- }
- }
- }
-
- func TestResponseWhenFalse(t *testing.T) {
- hm := NewMatcher("Martian-Testing", "true")
-
- tt := []struct {
- name string
- values []string
- want bool
- }{
- {
- name: "Martian-Production",
- values: []string{"true"},
- want: true,
- },
- {
- name: "Martian-Testing",
- values: []string{"see-next-value", "true"},
- want: false,
- },
- }
-
- for i, tc := range tt {
- tm := martiantest.NewModifier()
-
- f := filter.New()
- f.SetResponseCondition(hm)
- f.ResponseWhenFalse(tm)
-
- req, err := http.NewRequest("GET", "/", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
- res := proxyutil.NewResponse(200, nil, req)
-
- res.Header[tc.name] = tc.values
-
- if err := f.ModifyResponse(res); err != nil {
- t.Fatalf("%d. ModifyResponse(): got %v, want no error", i, err)
- }
-
- if tm.ResponseModified() != tc.want {
- t.Errorf("%d. tm.ResponseModified(): got %t, want %t", i, tm.RequestModified(), tc.want)
- }
- }
- }
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