test/lisp/dired-aux-tests.el

   1 ;;; dired-aux-tests.el --- Test suite for dired-aux. -*- lexical-binding: t -*-
   2
   3 ;; Copyright (C) 2017-2018 Free Software Foundation, Inc.
   4
   5 ;; This file is part of GNU Emacs.
   6
   7 ;; GNU Emacs is free software: you can redistribute it and/or modify
   8 ;; it under the terms of the GNU General Public License as published by
   9 ;; the Free Software Foundation, either version 3 of the License, or
  10 ;; (at your option) any later version.
  11
  12 ;; GNU Emacs is distributed in the hope that it will be useful,
  13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;; GNU General Public License for more details.
  16
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
  19
  20 ;;; Code:
  21 (require 'ert)
  22 (require 'dired-aux)
  23 (eval-when-compile (require 'cl-lib))
  24
  25 (ert-deftest dired-test-bug27496 ()
  26   "Test for https://debbugs.gnu.org/27496 ."
  27   (skip-unless (executable-find shell-file-name))
  28   (let* ((foo (make-temp-file "foo"))
  29          (files (list foo)))
  30     (unwind-protect
  31         (cl-letf (((symbol-function 'y-or-n-p) 'error))
  32           (dired temporary-file-directory)
  33           (dired-goto-file foo)
  34           ;; `dired-do-shell-command' returns nil on success.
  35           (should-error (dired-do-shell-command "ls ? ./?" nil files))
  36           (should-error (dired-do-shell-command "ls ./? ?" nil files))
  37           (should-not (dired-do-shell-command "ls ? ?" nil files))
  38           (should-error (dired-do-shell-command "ls * ./*" nil files))
  39           (should-not (dired-do-shell-command "ls * *" nil files))
  40           (should-not (dired-do-shell-command "ls ? ./`?`" nil files)))
  41       (delete-file foo))))
  42
  43 ;; Auxiliar macro for `dired-test-bug28834': it binds
  44 ;; `dired-create-destination-dirs' to CREATE-DIRS and execute BODY.
  45 ;; If YES-OR-NO is non-nil, it binds `yes-or-no-p' to
  46 ;; to avoid the prompt.
  47 (defmacro with-dired-bug28834-test (create-dirs yes-or-no &rest body)
  48   (declare (debug (form symbolp body)))
  49   (let ((foo (make-symbol "foo")))
  50     `(let* ((,foo (make-temp-file "foo" 'dir))
  51             (dired-create-destination-dirs ,create-dirs))
  52        (setq from (make-temp-file "from"))
  53        (setq to-cp
  54              (expand-file-name
  55               "foo-cp" (file-name-as-directory (expand-file-name "bar" ,foo))))
  56        (setq to-mv
  57              (expand-file-name
  58               "foo-mv" (file-name-as-directory (expand-file-name "qux" ,foo))))
  59        (unwind-protect
  60            (if ,yes-or-no
  61                (cl-letf (((symbol-function 'yes-or-no-p)
  62                           (lambda (_prompt) (eq ,yes-or-no 'yes))))
  63                  ,@body)
  64              ,@body)
  65          ;; clean up
  66          (delete-directory ,foo 'recursive)
  67          (delete-file from)))))
  68
  69 (ert-deftest dired-test-bug28834 ()
  70   "test for https://debbugs.gnu.org/28834 ."
  71   (let (from to-cp to-mv)
  72     ;; `dired-create-destination-dirs' set to 'always.
  73     (with-dired-bug28834-test
  74      'always nil
  75      (dired-copy-file-recursive from to-cp nil)
  76      (should (file-exists-p to-cp))
  77      (dired-rename-file from to-mv nil)
  78      (should (file-exists-p to-mv)))
  79     ;; `dired-create-destination-dirs' set to nil.
  80     (with-dired-bug28834-test
  81      nil nil
  82      (should-error (dired-copy-file-recursive from to-cp nil))
  83      (should-error (dired-rename-file from to-mv nil)))
  84     ;; `dired-create-destination-dirs' set to 'ask.
  85     (with-dired-bug28834-test
  86      'ask 'yes ; Answer `yes'
  87      (dired-copy-file-recursive from to-cp nil)
  88      (should (file-exists-p to-cp))
  89      (dired-rename-file from to-mv nil)
  90      (should (file-exists-p to-mv)))
  91     (with-dired-bug28834-test
  92      'ask 'no ; Answer `no'
  93      (should-error (dired-copy-file-recursive from to-cp nil))
  94      (should-error (dired-rename-file from to-mv nil)))))
  95
  96
  97 (provide 'dired-aux-tests)
  98 ;; dired-aux-tests.el ends here