test/src/inotify-tests.el

   1 ;;; inotify-tests.el --- Test suite for inotify. -*- lexical-binding: t -*-
   2
   3 ;; Copyright (C) 2012-2018 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 <https://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 (ert-deftest inotify-valid-p-simple ()
  32   "Simple tests for `inotify-valid-p'."
  33   (skip-unless (featurep 'inotify))
  34   (should-not (inotify-valid-p 0))
  35   (should-not (inotify-valid-p nil))
  36   (should-not (inotify-valid-p '(0 . 0))))
  37
  38 ;; (ert-deftest filewatch-file-watch-aspects-check ()
  39 ;;   "Test whether `file-watch' properly checks the aspects."
  40 ;;   (let ((temp-file (make-temp-file "filewatch-aspects")))
  41 ;;     (should (stringp temp-file))
  42 ;;     (should-error (file-watch temp-file 'wrong nil)
  43 ;;                   :type 'error)
  44 ;;     (should-error (file-watch temp-file '(modify t) nil)
  45 ;;                   :type 'error)
  46 ;;     (should-error (file-watch temp-file '(modify all-modify) nil)
  47 ;;                   :type 'error)
  48 ;;     (should-error (file-watch temp-file '(access wrong modify) nil)
  49 ;;                   :type 'error)))
  50
  51 (ert-deftest inotify-file-watch-simple ()
  52   "Test if watching a normal file works."
  53
  54   (skip-unless (featurep 'inotify))
  55   (let ((temp-file (make-temp-file "inotify-simple"))
  56         (events 0))
  57     (let ((wd
  58            (inotify-add-watch temp-file t (lambda (_ev)
  59                                             (setq events (1+ events))))))
  60       (unwind-protect
  61           (progn
  62             (with-temp-file temp-file
  63               (insert "Foo\n"))
  64             (read-event nil nil 5)
  65             (should (> events 0)))
  66         (should (inotify-valid-p wd))
  67         (inotify-rm-watch wd)
  68         (should-not (inotify-valid-p wd))
  69         (delete-file temp-file)))))
  70
  71 (provide 'inotify-tests)
  72
  73 ;;; inotify-tests.el ends here.