114 lines
2.4 KiB
Go
114 lines
2.4 KiB
Go
// Copyright 2016 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.
|
|
|
|
// +build openbsd
|
|
|
|
// This, on the face of it, bizarre testing mechanism is necessary because
|
|
// the only reliable way to gauge whether or not a pledge(2) call has succeeded
|
|
// is that the program has been killed as a result of breaking its pledge.
|
|
|
|
package unix_test
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"testing"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
type testProc struct {
|
|
fn func() // should always exit instead of returning
|
|
cleanup func() error // for instance, delete coredumps from testing pledge
|
|
success bool // whether zero-exit means success or failure
|
|
}
|
|
|
|
var (
|
|
testProcs = map[string]testProc{}
|
|
procName = ""
|
|
)
|
|
|
|
const (
|
|
optName = "sys-unix-internal-procname"
|
|
)
|
|
|
|
func init() {
|
|
flag.StringVar(&procName, optName, "", "internal use only")
|
|
}
|
|
|
|
// testCmd generates a proper command that, when executed, runs the test
|
|
// corresponding to the given key.
|
|
func testCmd(procName string) (*exec.Cmd, error) {
|
|
exe, err := filepath.Abs(os.Args[0])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
cmd := exec.Command(exe, "-"+optName+"="+procName)
|
|
cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
|
|
return cmd, nil
|
|
}
|
|
|
|
// ExitsCorrectly is a comprehensive, one-line-of-use wrapper for testing
|
|
// a testProc with a key.
|
|
func ExitsCorrectly(procName string, t *testing.T) {
|
|
s := testProcs[procName]
|
|
c, err := testCmd(procName)
|
|
defer func() {
|
|
if s.cleanup() != nil {
|
|
t.Fatalf("Failed to run cleanup for %s", procName)
|
|
}
|
|
}()
|
|
if err != nil {
|
|
t.Fatalf("Failed to construct command for %s", procName)
|
|
}
|
|
if (c.Run() == nil) != s.success {
|
|
result := "succeed"
|
|
if !s.success {
|
|
result = "fail"
|
|
}
|
|
t.Fatalf("Process did not %s when it was supposed to", result)
|
|
}
|
|
}
|
|
|
|
func TestMain(m *testing.M) {
|
|
flag.Parse()
|
|
if procName != "" {
|
|
testProcs[procName].fn()
|
|
}
|
|
os.Exit(m.Run())
|
|
}
|
|
|
|
// For example, add a test for pledge.
|
|
func init() {
|
|
testProcs["pledge"] = testProc{
|
|
func() {
|
|
fmt.Println(unix.Pledge("", ""))
|
|
os.Exit(0)
|
|
},
|
|
func() error {
|
|
files, err := ioutil.ReadDir(".")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for _, file := range files {
|
|
if filepath.Ext(file.Name()) == ".core" {
|
|
if err := os.Remove(file.Name()); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
},
|
|
false,
|
|
}
|
|
}
|
|
|
|
func TestPledge(t *testing.T) {
|
|
ExitsCorrectly("pledge", t)
|
|
}
|