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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 stash
-
- import (
- "net"
- "net/http"
- "testing"
-
- "github.com/google/martian/fifo"
- "github.com/google/martian/parse"
- "github.com/google/martian/port"
- "github.com/google/martian/proxyutil"
- )
-
- func TestStashRequest(t *testing.T) {
- fg := fifo.NewGroup()
- fg.AddRequestModifier(NewModifier("stashed-url"))
- pmod := port.NewModifier()
- pmod.UsePort(8080)
- fg.AddRequestModifier(pmod)
-
- req, err := http.NewRequest("GET", "http://example.com", nil)
- if err != nil {
- t.Fatalf("NewRequest(): got %v, want no error", err)
- }
-
- if err := fg.ModifyRequest(req); err != nil {
- t.Fatalf("smod.ModifyRequest(): got %v, want no error", err)
- }
-
- _, port, err := net.SplitHostPort(req.URL.Host)
- if err != nil {
- t.Fatalf("net.SplitHostPort(%q): got %v, want no error", req.URL.Host, err)
- }
-
- if got, want := port, "8080"; got != want {
- t.Errorf("port: got %v, want %v", got, want)
- }
-
- if got, want := req.Header.Get("stashed-url"), "http://example.com"; got != want {
- t.Errorf("stashed-url header: got %v, want %v", got, want)
- }
-
- }
-
- func TestStashRequestResponse(t *testing.T) {
- headerName := "stashed-url"
- originalURL := "http://example.com"
- fg := fifo.NewGroup()
- fg.AddRequestModifier(NewModifier(headerName))
- fg.AddResponseModifier(NewModifier(headerName))
- pmod := port.NewModifier()
- pmod.UsePort(8080)
- fg.AddRequestModifier(pmod)
-
- req, err := http.NewRequest("GET", originalURL, nil)
- if err != nil {
- t.Fatalf("NewRequest(): got %v, want no error", err)
- }
-
- if err := fg.ModifyRequest(req); err != nil {
- t.Fatalf("smod.ModifyRequest(): got %v, want no error", err)
- }
-
- _, port, err := net.SplitHostPort(req.URL.Host)
- if err != nil {
- t.Fatalf("net.SplitHostPort(%q): got %v, want no error", req.URL.Host, err)
- }
-
- if got, want := port, "8080"; got != want {
- t.Errorf("port: got %v, want %v", got, want)
- }
-
- if got, want := req.Header.Get(headerName), originalURL; got != want {
- t.Errorf("res.Header.Get(%q): got %v, want %v", headerName, got, want)
- }
-
- res := proxyutil.NewResponse(200, nil, req)
- if err := fg.ModifyResponse(res); err != nil {
- t.Fatalf("resmod.ModifyResponse(): got %v, want no error", err)
- }
-
- if got, want := res.Header.Get(headerName), originalURL; got != want {
- t.Errorf("res.Header.Get(%q): got %q, want %q", headerName, got, want)
- }
- }
-
- func TestStashInvalidHeaderName(t *testing.T) {
- mod := NewModifier("invalid-chars-actually-work-;><@")
-
- req, err := http.NewRequest("GET", "http://example.com", nil)
- if err != nil {
- t.Fatalf("NewRequest(): got %v, want no error", err)
- }
-
- if err := mod.ModifyRequest(req); err != nil {
- t.Fatalf("smod.ModifyRequest(): got %v, want no error", err)
- }
-
- if got, want := req.Header.Get("invalid-chars-actually-work-;><@"), "http://example.com"; got != want {
- t.Errorf("stashed-url header: got %v, want %v", got, want)
- }
- }
-
- func TestModiferFromJSON(t *testing.T) {
- headerName := "stashed-url"
- originalURL := "http://example.com"
- msg := []byte(`{
- "fifo.Group": {
- "scope": ["request", "response"],
- "modifiers": [
- {
- "stash.Modifier": {
- "scope": ["request", "response"],
- "headerName": "stashed-url"
- }
- },
- {
- "port.Modifier": {
- "scope": ["request"],
- "port": 8080
- }
- }
- ]
- }
- }`)
-
- 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", originalURL, nil)
- if err != nil {
- t.Fatalf("NewRequest(): got %v, want no error", err)
- }
-
- if err := reqmod.ModifyRequest(req); err != nil {
- t.Fatalf("ModifyRequest(): got %v, want no error", err)
- }
-
- _, port, err := net.SplitHostPort(req.URL.Host)
- if err != nil {
- t.Fatalf("net.SplitHostPort(%q): got %v, want no error", req.URL.Host, err)
- }
-
- if got, want := port, "8080"; got != want {
- t.Errorf("port: got %v, want %v", got, want)
- }
-
- if got, want := req.Header.Get(headerName), originalURL; got != want {
- t.Errorf("req.Header.Get(%q) header: got %v, want %v", headerName, got, want)
- }
-
- resmod := r.ResponseModifier()
- 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(headerName), originalURL; got != want {
- t.Errorf("res.Header.Get(%q): got %q, want %q", headerName, got, want)
- }
- }
-
- func TestModiferFromJSONInvalidConfigurations(t *testing.T) {
- msg := []byte(`{
- "stash.Modifier": {
- "scope": ["response"],
- "headerName": "stash-header"
- }
- }`)
-
- _, err := parse.FromJSON(msg)
- if err == nil {
- t.Fatalf("parseFromJSON(msg): Got no error, but should have gotten one.")
- }
- }
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