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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 fifo
-
- import (
- "errors"
- "fmt"
- "net/http"
- "reflect"
- "testing"
-
- "github.com/google/martian"
- "github.com/google/martian/martiantest"
- "github.com/google/martian/parse"
- "github.com/google/martian/proxyutil"
- "github.com/google/martian/verify"
-
- _ "github.com/google/martian/header"
- )
-
- func TestGroupFromJSON(t *testing.T) {
- msg := []byte(`{
- "fifo.Group": {
- "scope": ["request", "response"],
- "aggregateErrors": true,
- "modifiers": [
- {
- "header.Modifier": {
- "scope": ["request", "response"],
- "name": "X-Testing",
- "value": "true"
- }
- },
- {
- "header.Modifier": {
- "scope": ["request", "response"],
- "name": "Y-Testing",
- "value": "true"
- }
- }
- ]
- }
- }`)
-
- 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")
- }
- req, err := http.NewRequest("GET", "http://example.com", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
- if err := reqmod.ModifyRequest(req); err != nil {
- t.Fatalf("ModifyRequest(): got %v, want no error", err)
- }
- if got, want := req.Header.Get("X-Testing"), "true"; got != want {
- t.Errorf("req.Header.Get(%q): got %q, want %q", "X-Testing", got, want)
- }
- if got, want := req.Header.Get("Y-Testing"), "true"; got != want {
- t.Errorf("req.Header.Get(%q): got %q, want %q", "Y-Testing", got, want)
- }
-
- resmod := r.ResponseModifier()
- if resmod == nil {
- t.Fatal("resmod: got nil, want not nil")
- }
- res := proxyutil.NewResponse(200, nil, req)
- if err := resmod.ModifyResponse(res); err != nil {
- t.Fatalf("ModifyResponse(): got %v, want no error", err)
- }
- if got, want := res.Header.Get("X-Testing"), "true"; got != want {
- t.Errorf("res.Header.Get(%q): got %q, want %q", "X-Testing", got, want)
- }
- if got, want := res.Header.Get("Y-Testing"), "true"; got != want {
- t.Errorf("res.Header.Get(%q): got %q, want %q", "Y-Testing", got, want)
- }
- }
-
- func TestModifyRequest(t *testing.T) {
- fg := NewGroup()
- tm := martiantest.NewModifier()
-
- fg.AddRequestModifier(tm)
-
- req, err := http.NewRequest("GET", "/", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
- if err := fg.ModifyRequest(req); err != nil {
- t.Fatalf("fg.ModifyRequest(): got %v, want no error", err)
- }
- if !tm.RequestModified() {
- t.Error("tm.RequestModified(): got false, want true")
- }
- }
-
- func TestModifyRequestHaltsOnError(t *testing.T) {
- fg := NewGroup()
-
- reqerr := errors.New("request error")
- tm := martiantest.NewModifier()
- tm.RequestError(reqerr)
- fg.AddRequestModifier(tm)
-
- tm2 := martiantest.NewModifier()
- fg.AddRequestModifier(tm2)
-
- req, err := http.NewRequest("GET", "http://example.com/", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
- if err := fg.ModifyRequest(req); err != reqerr {
- t.Fatalf("fg.ModifyRequest(): got %v, want %v", err, reqerr)
- }
-
- if tm2.RequestModified() {
- t.Error("tm2.RequestModified(): got true, want false")
- }
- }
-
- func TestModifyRequestAggregatesErrors(t *testing.T) {
- fg := NewGroup()
- fg.SetAggregateErrors(true)
-
- reqerr1 := errors.New("1. request error")
- tm := martiantest.NewModifier()
- tm.RequestError(reqerr1)
- fg.AddRequestModifier(tm)
-
- tm2 := martiantest.NewModifier()
- reqerr2 := errors.New("2. request error")
- tm2.RequestError(reqerr2)
- fg.AddRequestModifier(tm2)
-
- req, err := http.NewRequest("GET", "http://example.com/", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
-
- merr := martian.NewMultiError()
- merr.Add(reqerr1)
- merr.Add(reqerr2)
-
- if err := fg.ModifyRequest(req); err == nil {
- t.Fatalf("fg.ModifyRequest(): got %v, want not nil", err)
- }
- if err := fg.ModifyRequest(req); err.Error() != merr.Error() {
- t.Fatalf("fg.ModifyRequest(): got %v, want %v", err, merr)
- }
-
- if err, want := fg.ModifyRequest(req), "1. request error\n2. request error"; err.Error() != want {
- t.Fatalf("fg.ModifyRequest(): got %v, want %v", err, want)
- }
- }
-
- func TestModifyResponse(t *testing.T) {
- fg := NewGroup()
- tm := martiantest.NewModifier()
-
- fg.AddResponseModifier(tm)
-
- res := proxyutil.NewResponse(200, nil, nil)
- if err := fg.ModifyResponse(res); err != nil {
- t.Fatalf("fg.ModifyResponse(): got %v, want no error", err)
- }
- if !tm.ResponseModified() {
- t.Error("tm.ResponseModified(): got false, want true")
- }
- }
-
- func TestModifyResponseHaltsOnError(t *testing.T) {
- fg := NewGroup()
-
- reserr := errors.New("request error")
- tm := martiantest.NewModifier()
- tm.ResponseError(reserr)
- fg.AddResponseModifier(tm)
-
- tm2 := martiantest.NewModifier()
- fg.AddResponseModifier(tm2)
-
- res := proxyutil.NewResponse(200, nil, nil)
- if err := fg.ModifyResponse(res); err != reserr {
- t.Fatalf("fg.ModifyResponse(): got %v, want %v", err, reserr)
- }
-
- if tm2.ResponseModified() {
- t.Error("tm2.ResponseModified(): got true, want false")
- }
- }
-
- func TestModifyResponseAggregatesErrors(t *testing.T) {
- fg := NewGroup()
- fg.SetAggregateErrors(true)
-
- reserr1 := errors.New("1. response error")
- tm := martiantest.NewModifier()
- tm.ResponseError(reserr1)
- fg.AddResponseModifier(tm)
-
- tm2 := martiantest.NewModifier()
- reserr2 := errors.New("2. response error")
- tm2.ResponseError(reserr2)
- fg.AddResponseModifier(tm2)
-
- req, err := http.NewRequest("GET", "http://example.com/", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
- _, remove, err := martian.TestContext(req, nil, nil)
- if err != nil {
- t.Fatalf("TestContext(): got %v, want no error", err)
- }
- defer remove()
-
- res := proxyutil.NewResponse(200, nil, req)
-
- merr := martian.NewMultiError()
- merr.Add(reserr1)
- merr.Add(reserr2)
-
- if err := fg.ModifyResponse(res); err == nil {
- t.Fatalf("fg.ModifyResponse(): got %v, want %v", err, merr)
- }
-
- if err := fg.ModifyResponse(res); err.Error() != merr.Error() {
- t.Fatalf("fg.ModifyResponse(): got %v, want %v", err, merr)
- }
- }
-
- func TestVerifyRequests(t *testing.T) {
- fg := NewGroup()
-
- if err := fg.VerifyRequests(); err != nil {
- t.Fatalf("VerifyRequest(): got %v, want no error", err)
- }
-
- errs := []error{}
- for i := 0; i < 3; i++ {
- err := fmt.Errorf("%d. verify request failure", i)
-
- tv := &verify.TestVerifier{
- RequestError: err,
- }
- fg.AddRequestModifier(tv)
-
- errs = append(errs, err)
- }
-
- merr, ok := fg.VerifyRequests().(*martian.MultiError)
- if !ok {
- t.Fatal("VerifyRequests(): got nil, want *verify.MultiError")
- }
-
- if !reflect.DeepEqual(merr.Errors(), errs) {
- t.Errorf("merr.Errors(): got %v, want %v", merr.Errors(), errs)
- }
- }
-
- func TestVerifyResponses(t *testing.T) {
- fg := NewGroup()
-
- if err := fg.VerifyResponses(); err != nil {
- t.Fatalf("VerifyResponses(): got %v, want no error", err)
- }
-
- errs := []error{}
- for i := 0; i < 3; i++ {
- err := fmt.Errorf("%d. verify responses failure", i)
-
- tv := &verify.TestVerifier{
- ResponseError: err,
- }
- fg.AddResponseModifier(tv)
-
- errs = append(errs, err)
- }
-
- merr, ok := fg.VerifyResponses().(*martian.MultiError)
- if !ok {
- t.Fatal("VerifyResponses(): got nil, want *verify.MultiError")
- }
-
- if !reflect.DeepEqual(merr.Errors(), errs) {
- t.Errorf("merr.Errors(): got %v, want %v", merr.Errors(), errs)
- }
- }
-
- func TestResets(t *testing.T) {
- fg := NewGroup()
-
- for i := 0; i < 3; i++ {
- tv := &verify.TestVerifier{
- RequestError: fmt.Errorf("%d. verify request error", i),
- ResponseError: fmt.Errorf("%d. verify response error", i),
- }
- fg.AddRequestModifier(tv)
- fg.AddResponseModifier(tv)
- }
-
- if err := fg.VerifyRequests(); err == nil {
- t.Fatal("VerifyRequests(): got nil, want error")
- }
- if err := fg.VerifyResponses(); err == nil {
- t.Fatal("VerifyResponses(): got nil, want error")
- }
-
- fg.ResetRequestVerifications()
- fg.ResetResponseVerifications()
-
- if err := fg.VerifyRequests(); err != nil {
- t.Errorf("VerifyRequests(): got %v, want no error", err)
- }
- if err := fg.VerifyResponses(); err != nil {
- t.Errorf("VerifyResponses(): got %v, want no error", err)
- }
- }
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