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package vhost
import (
"bytes"
"io"
"net"
"reflect"
"testing"
)
func TestHeaderPreserved(t *testing.T) {
var msg string = "TestHeaderPreserved message! Hello world!"
var headerLen int = 15
l, err := net.Listen("tcp", "127.0.0.1:12345")
if err != nil {
panic(err)
}
defer l.Close()
go func() {
conn, err := net.Dial("tcp", "127.0.0.1:12345")
if err != nil {
panic(err)
}
if _, err := conn.Write([]byte(msg)); err != nil {
panic(err)
}
if err = conn.Close(); err != nil {
panic(err)
}
}()
conn, err := l.Accept()
if err != nil {
panic(err)
}
// create a shared connection object
c, rd := newShared(conn)
// read out a "header"
p := make([]byte, headerLen)
_, err = io.ReadFull(rd, p)
if err != nil {
panic(err)
}
// make sure we got the header
expectedHeader := []byte(msg[:headerLen])
if !reflect.DeepEqual(p, expectedHeader) {
t.Errorf("Read header bytes %s, expected %s", p, expectedHeader)
return
}
// read out the entire connection. make sure it includes the header
buf := bytes.NewBuffer([]byte{})
io.Copy(buf, c)
expected := []byte(msg)
if !reflect.DeepEqual(buf.Bytes(), expected) {
t.Errorf("Read full connection bytes %s, expected %s", buf.Bytes(), expected)
}
}
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