86 lines
1.6 KiB
Go
86 lines
1.6 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package safesocket
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import (
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"fmt"
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"path/filepath"
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"runtime"
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"testing"
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)
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// downgradeSDDL is a no-op test helper on non-Windows systems.
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var downgradeSDDL = func() func() { return func() {} }
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func TestBasics(t *testing.T) {
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// Make the socket in a temp dir rather than the cwd
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// so that the test can be run from a mounted filesystem (#2367).
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dir := t.TempDir()
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var sock string
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if runtime.GOOS != "windows" {
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sock = filepath.Join(dir, "test")
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} else {
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sock = fmt.Sprintf(`\\.\pipe\tailscale-test`)
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t.Cleanup(downgradeSDDL())
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}
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l, err := Listen(sock)
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if err != nil {
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t.Fatal(err)
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}
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errs := make(chan error, 2)
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go func() {
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s, err := l.Accept()
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if err != nil {
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errs <- err
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return
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}
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l.Close()
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s.Write([]byte("hello"))
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b := make([]byte, 1024)
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n, err := s.Read(b)
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if err != nil {
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errs <- err
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return
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}
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t.Logf("server read %d bytes.", n)
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if string(b[:n]) != "world" {
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errs <- fmt.Errorf("got %#v, expected %#v\n", string(b[:n]), "world")
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return
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}
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s.Close()
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errs <- nil
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}()
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go func() {
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s := DefaultConnectionStrategy(sock)
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c, err := Connect(s)
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if err != nil {
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errs <- err
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return
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}
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c.Write([]byte("world"))
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b := make([]byte, 1024)
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n, err := c.Read(b)
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if err != nil {
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errs <- err
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return
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}
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if string(b[:n]) != "hello" {
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errs <- fmt.Errorf("got %#v, expected %#v\n", string(b[:n]), "hello")
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}
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c.Close()
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errs <- nil
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}()
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for i := 0; i < 2; i++ {
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if err := <-errs; err != nil {
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t.Fatal(err)
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}
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}
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}
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