func TestUnderlying(t *testing.T) {
e1 := errors.New("")
e2 := stackerr.Wrap(e1)
errs := stackerr.Underlying(e2)
if len(errs) != 2 || errs[0] != e2 || errs[1] != e1 {
t.Fatal("failed Underlying")
}
}
func TestWrap(t *testing.T) {
const errStr = "foo bar baz"
e := stackerr.Wrap(errors.New(errStr))
matches := []string{
errStr,
"stackerr_test.go:36 +TestWrap$",
}
match(t, e.Error(), matches)
}
func watch() error {
watcher, err := fsnotify.NewWatcher()
if err != nil {
return stackerr.Wrap(err)
}
defer watcher.Close()
argv0, err := exec.LookPath(os.Args[0])
if err != nil {
return stackerr.Wrap(err)
}
debug("reloader:", argv0)
if err := watcher.Add(argv0); err != nil {
return stackerr.Wrap(err)
}
var doit <-chan time.Time
for {
select {
case <-doit:
log.Println("Restarting", argv0)
if err := syscall.Exec(argv0, os.Args, os.Environ()); err != nil {
return stackerr.Wrap(err)
}
case event := <-watcher.Events:
debug("watcher.Event:", event)
doit = time.After(500 * time.Millisecond)
if err := watcher.Add(event.Name); err != nil {
return stackerr.Wrap(err)
}
case err := <-watcher.Errors:
debug("watcher.Error:", err)
}
}
}