test/automated/inotify-test.el

   1 ;;; inotify-tests.el --- Test suite for inotify. -*- lexical-binding: t -*-
   2
   3 ;; Copyright (C) 2012-2014 Free Software Foundation, Inc.
   4
   5 ;; Author: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
   6 ;; Keywords:       internal
   7 ;; Human-Keywords: internal
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 ;;; Code:
  25
  26 (require 'ert)
  27
  28 (declare-function inotify-add-watch "inotify.c" (file-name aspect callback))
  29 (declare-function inotify-rm-watch "inotify.c" (watch-descriptor))
  30
  31 (when (featurep 'inotify)
  32
  33   ;; (ert-deftest filewatch-file-watch-aspects-check ()
  34   ;;   "Test whether `file-watch' properly checks the aspects."
  35   ;;   (let ((temp-file (make-temp-file "filewatch-aspects")))
  36   ;;     (should (stringp temp-file))
  37   ;;     (should-error (file-watch temp-file 'wrong nil)
  38   ;;                   :type 'error)
  39   ;;     (should-error (file-watch temp-file '(modify t) nil)
  40   ;;                   :type 'error)
  41   ;;     (should-error (file-watch temp-file '(modify all-modify) nil)
  42   ;;                   :type 'error)
  43   ;;     (should-error (file-watch temp-file '(access wrong modify) nil)
  44   ;;                   :type 'error)))
  45
  46   (ert-deftest inotify-file-watch-simple ()
  47     "Test if watching a normal file works."
  48     (let ((temp-file (make-temp-file "inotify-simple"))
  49            (events 0))
  50       (let ((wd
  51              (inotify-add-watch temp-file t (lambda (_ev)
  52                                               (setq events (1+ events))))))
  53         (unwind-protect
  54             (progn
  55               (with-temp-file temp-file
  56                 (insert "Foo\n"))
  57               (sit-for 5) ;; Hacky. Wait for 5s until events are processed
  58               (should (> events 0)))
  59           (inotify-rm-watch wd)
  60           (delete-file temp-file)))))
  61 )
  62
  63 (provide 'inotify-tests)
  64
  65 ;;; inotify-tests.el ends here.