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// Package test implements utilities for testing
package test
import (
"crypto/tls"
"crypto/x509"
"net"
"net/http"
"net/http/httptest"
httpw "github.com/eduvpn/eduvpn-common/internal/http"
)
// Server wraps a HTTP test server
type Server struct {
*httptest.Server
}
// NewServer creates a new test server
func NewServer(handler http.Handler, listener net.Listener) *Server {
if listener == nil {
s := httptest.NewTLSServer(handler)
return &Server{s}
}
s := httptest.NewUnstartedServer(handler)
s.Listener.Close()
s.Listener = listener
s.StartTLS()
return &Server{s}
}
type HandlerPath struct {
Method string
Path string
Response string
ResponseHandler func(http.ResponseWriter, *http.Request)
ResponseCode int
}
func (hp *HandlerPath) HandlerFunc() func(http.ResponseWriter, *http.Request) {
if hp.ResponseHandler != nil {
return hp.ResponseHandler
}
return func(w http.ResponseWriter, r *http.Request) {
if r.Method != hp.Method {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
w.WriteHeader(hp.ResponseCode)
_, err := w.Write([]byte(hp.Response))
if err != nil {
panic(err)
}
}
}
// NewServerWithHandles creates a new test servers with path and responses
func NewServerWithHandles(hps []HandlerPath, listener net.Listener) *Server {
mux := http.NewServeMux()
for _, hp := range hps {
hp := hp
mux.HandleFunc(hp.Path, hp.HandlerFunc())
}
return NewServer(mux, listener)
}
// Client returns a test client that trusts the HTTPS certificates
func (srv *Server) Client() (*httpw.Client, error) {
// Get the certs from the test server
certs := x509.NewCertPool()
for _, c := range srv.TLS.Certificates {
roots, err := x509.ParseCertificates(c.Certificate[len(c.Certificate)-1])
if err != nil {
return nil, err
}
for _, root := range roots {
certs.AddCert(root)
}
}
client := &http.Client{
Transport: &http.Transport{
TLSClientConfig: &tls.Config{
RootCAs: certs,
},
},
}
// Override the client such that it only trusts the test server cert
httpC := httpw.NewClient(client)
return httpC, nil
}
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