golang/libnbd_210_opt_abort_test.go

   1 /* libnbd golang tests
   2  * Copyright Red Hat
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 package libnbd
  20
  21 import "testing"
  22
  23 func Test210OptAbort(t *testing.T) {
  24         h, err := Create()
  25         if err != nil {
  26                 t.Fatalf("could not create handle: %s", err)
  27         }
  28         defer h.Close()
  29
  30         err = h.SetOptMode(true)
  31         if err != nil {
  32                 t.Fatalf("could not set opt mode: %s", err)
  33         }
  34
  35         err = h.ConnectCommand([]string{
  36                 "nbdkit", "-s", "--exit-with-parent", "-v", "null",
  37         })
  38         if err != nil {
  39                 t.Fatalf("could not connect: %s", err)
  40         }
  41
  42         proto, err := h.GetProtocol()
  43         if err != nil {
  44                 t.Fatalf("could not get correct protocol: %s", err)
  45         } else if *proto != "newstyle-fixed" {
  46                 t.Fatalf("wrong protocol detected: %s", *proto)
  47         }
  48
  49         sr, err := h.GetStructuredRepliesNegotiated()
  50         if err != nil {
  51                 t.Fatalf("could not determine structured replies: %s", err)
  52         } else if !sr {
  53                 t.Fatalf("structured replies not negotiated")
  54         }
  55
  56         err = h.OptAbort()
  57         if err != nil {
  58                 t.Fatalf("could not abort option mode: %s", err)
  59         }
  60
  61         closed, err := h.AioIsClosed()
  62         if err != nil {
  63                 t.Fatalf("could not determine state after opt_abort: %s", err)
  64         } else if !closed {
  65                 t.Fatalf("wrong state after opt_abort")
  66         }
  67
  68         _, err = h.GetSize()
  69         if err == nil {
  70                 t.Fatalf("getting a size should not be possible")
  71         }
  72 }