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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.
// Implementation of Server
package httptest
import (
"fmt"
"http"
"os"
"net"
)
// A Server is an HTTP server listening on a system-chosen port on the
// local loopback interface, for use in end-to-end HTTP tests.
type Server struct {
URL string // base URL of form http://ipaddr:port with no trailing slash
Listener net.Listener
}
// historyListener keeps track of all connections that it's ever
// accepted.
type historyListener struct {
net.Listener
history []net.Conn
}
func (hs *historyListener) Accept() (c net.Conn, err os.Error) {
c, err = hs.Listener.Accept()
if err == nil {
hs.history = append(hs.history, c)
}
return
}
// NewServer starts and returns a new Server.
// The caller should call Close when finished, to shut it down.
func NewServer(handler http.Handler) *Server {
ts := new(Server)
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
if l, err = net.Listen("tcp6", "[::1]:0"); err != nil {
panic(fmt.Sprintf("httptest: failed to listen on a port: %v", err))
}
}
ts.Listener = &historyListener{l, make([]net.Conn, 0)}
ts.URL = "http://" + l.Addr().String()
server := &http.Server{Handler: handler}
go server.Serve(ts.Listener)
return ts
}
// Close shuts down the server.
func (s *Server) Close() {
s.Listener.Close()
}
// CloseClientConnections closes any currently open HTTP connections
// to the test Server.
func (s *Server) CloseClientConnections() {
hl, ok := s.Listener.(*historyListener)
if !ok {
return
}
for _, conn := range hl.history {
conn.Close()
}
}
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