37 lines
1010 B
Go
37 lines
1010 B
Go
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package main
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import (
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"io/ioutil"
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"net"
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"net/http"
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"net/http/httptest"
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"net/url"
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"testing"
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)
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func TestNewReverseProxy(t *testing.T) {
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backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(200)
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hostname, _, _ := net.SplitHostPort(r.Host)
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w.Write([]byte(hostname))
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}))
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defer backend.Close()
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backendURL, _ := url.Parse(backend.URL)
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backendHostname := "upstream.127.0.0.1.xip.io"
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_, backendPort, _ := net.SplitHostPort(backendURL.Host)
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backendHost := net.JoinHostPort(backendHostname, backendPort)
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proxyURL, _ := url.Parse(backendURL.Scheme + "://" + backendHost + "/")
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proxyHandler := NewReverseProxy(proxyURL)
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frontend := httptest.NewServer(proxyHandler)
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defer frontend.Close()
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getReq, _ := http.NewRequest("GET", frontend.URL, nil)
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res, _ := http.DefaultClient.Do(getReq)
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bodyBytes, _ := ioutil.ReadAll(res.Body)
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if g, e := string(bodyBytes), backendHostname; g != e {
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t.Errorf("got body %q; expected %q", g, e)
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}
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}
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