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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Reverse proxy tests.
package http_test
import (
. "http"
"http/httptest"
"io/ioutil"
"testing"
)
func TestReverseProxy(t *testing.T) {
const backendResponse = "I am the backend"
const backendStatus = 404
backend := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
if r.Header.Get("X-Forwarded-For") == "" {
t.Errorf("didn't get X-Forwarded-For header")
}
w.Header().Set("X-Foo", "bar")
w.WriteHeader(backendStatus)
w.Write([]byte(backendResponse))
}))
defer backend.Close()
backendURL, err := ParseURL(backend.URL)
if err != nil {
t.Fatal(err)
}
proxyHandler := NewSingleHostReverseProxy(backendURL)
frontend := httptest.NewServer(proxyHandler)
defer frontend.Close()
res, _, err := Get(frontend.URL)
if err != nil {
t.Fatalf("Get: %v", err)
}
if g, e := res.StatusCode, backendStatus; g != e {
t.Errorf("got res.StatusCode %d; expected %d", g, e)
}
if g, e := res.Header.Get("X-Foo"), "bar"; g != e {
t.Errorf("got X-Foo %q; expected %q", g, e)
}
bodyBytes, _ := ioutil.ReadAll(res.Body)
if g, e := string(bodyBytes), backendResponse; g != e {
t.Errorf("got body %q; expected %q", g, e)
}
}
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