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// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package safesocket
import (
"fmt"
"path/filepath"
"testing"
)
func TestBasics(t *testing.T) {
// Make the socket in a temp dir rather than the cwd
// so that the test can be run from a mounted filesystem (#2367).
dir := t.TempDir()
sock := filepath.Join(dir, "test")
l, port, err := Listen(sock, 0)
if err != nil {
t.Fatal(err)
}
errs := make(chan error, 2)
go func() {
s, err := l.Accept()
if err != nil {
errs <- err
return
}
l.Close()
s.Write([]byte("hello"))
b := make([]byte, 1024)
n, err := s.Read(b)
if err != nil {
errs <- err
return
}
t.Logf("server read %d bytes.", n)
if string(b[:n]) != "world" {
errs <- fmt.Errorf("got %#v, expected %#v\n", string(b[:n]), "world")
return
}
s.Close()
errs <- nil
}()
go func() {
s := DefaultConnectionStrategy(sock)
s.UsePort(port)
c, err := Connect(s)
if err != nil {
errs <- err
return
}
c.Write([]byte("world"))
b := make([]byte, 1024)
n, err := c.Read(b)
if err != nil {
errs <- err
return
}
if string(b[:n]) != "hello" {
errs <- fmt.Errorf("got %#v, expected %#v\n", string(b[:n]), "hello")
}
c.Close()
errs <- nil
}()
for i := 0; i < 2; i++ {
if err := <-errs; err != nil {
t.Fatal(err)
}
}
}
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