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|
package ftp
import (
"net"
"net/textproto"
"reflect"
"strings"
"sync"
"testing"
)
type ftpMock struct {
listener net.Listener
commands []string // list of received commands
sync.WaitGroup
}
func newFtpMock(t *testing.T, addresss string) *ftpMock {
var err error
mock := &ftpMock{}
mock.listener, err = net.Listen("tcp", addresss)
if err != nil {
t.Fatal(err)
}
go func() {
// Listen for an incoming connection.
conn, err := mock.listener.Accept()
if err != nil {
t.Fatal(err)
}
mock.Add(1)
defer mock.Done()
defer conn.Close()
proto := textproto.NewConn(conn)
proto.Writer.PrintfLine("220 FTP Server ready.")
for {
command, _ := proto.ReadLine()
// Strip the arguments
if i := strings.Index(command, " "); i > 0 {
command = command[:i]
}
// Append to list of received commands
mock.commands = append(mock.commands, command)
// At least one command must have a multiline response
switch command {
case "FEAT":
proto.Writer.PrintfLine("211-Features:\r\nFEAT\r\nPASV\r\nSIZE\r\n211 End")
case "USER":
proto.Writer.PrintfLine("331 Please send your password")
case "PASS":
proto.Writer.PrintfLine("230-Hey,\r\nWelcome to my FTP\r\n230 Access granted")
case "TYPE":
proto.Writer.PrintfLine("200 Type set ok")
case "QUIT":
proto.Writer.PrintfLine("221 Goodbye.")
return
default:
t.Fatal("unknown command:", command)
}
}
}()
return mock
}
// Closes the listening socket
func (mock *ftpMock) Close() {
mock.listener.Close()
}
// ftp.mozilla.org uses multiline 220 response
func TestMultiline(t *testing.T) {
if testing.Short() {
t.Skip("skipping test in short mode.")
}
address := "localhost:2121"
mock := newFtpMock(t, address)
defer mock.Close()
c, err := Dial(address)
if err != nil {
t.Fatal(err)
}
err = c.Login("anonymous", "anonymous")
if err != nil {
t.Fatal(err)
}
c.Quit()
// Wait for the connection to close
mock.Wait()
expected := []string{"FEAT", "USER", "PASS", "TYPE", "QUIT"}
if !reflect.DeepEqual(mock.commands, expected) {
t.Fatal("unexpected sequence of commands:", mock.commands, "expected:", expected)
}
}
|
