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;;; dired-aux-tests.el --- Test suite for dired-aux. -*- lexical-binding: t -*-
;; Copyright (C) 2017-2025 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Code:
(require 'ert)
(require 'ert-x)
(require 'dired-aux)
(eval-when-compile (require 'cl-lib))
(ert-deftest dired-test-bug27496 ()
"Test for https://debbugs.gnu.org/27496 ."
(skip-unless (executable-find shell-file-name))
(ert-with-temp-file foo
(let* ((files (list foo)))
(cl-letf (((symbol-function 'read-char-from-minibuffer) 'error))
(dired temporary-file-directory)
(dired-goto-file foo)
;; `dired-do-shell-command' returns nil on success.
(should-error (dired-do-shell-command "ls ? ./?" nil files))
(should-error (dired-do-shell-command "ls ./? ?" nil files))
(should-not (dired-do-shell-command "ls ? ?" nil files))
(should-error (dired-do-shell-command "ls * ./*" nil files))
(should-not (dired-do-shell-command "ls * *" nil files))
(should-not (dired-do-shell-command "ls ? ./`?`" nil files))))))
;; Auxiliary macro for `dired-test-bug28834': it binds
;; `dired-create-destination-dirs' to CREATE-DIRS and execute BODY.
;; If YES-OR-NO is non-nil, it binds `yes-or-no-p' to
;; to avoid the prompt.
(defmacro with-dired-bug28834-test (create-dirs yes-or-no &rest body)
(declare (debug (form symbolp body)))
(let ((foo (make-symbol "foo")))
`(ert-with-temp-directory ,foo
(ert-with-temp-file from
(let* ((dired-create-destination-dirs ,create-dirs))
(setq to-cp
(expand-file-name
"foo-cp" (file-name-as-directory (expand-file-name "bar" ,foo))))
(setq to-mv
(expand-file-name
"foo-mv" (file-name-as-directory (expand-file-name "qux" ,foo))))
(if ,yes-or-no
(cl-letf (((symbol-function 'yes-or-no-p)
(lambda (_prompt) (eq ,yes-or-no 'yes))))
,@body)
,@body))))))
(ert-deftest dired-test-bug28834 ()
"test for https://debbugs.gnu.org/28834 ."
(let (to-cp to-mv)
;; `dired-create-destination-dirs' set to 'always.
(with-dired-bug28834-test
'always nil
(dired-copy-file-recursive from to-cp nil)
(should (file-exists-p to-cp))
(dired-rename-file from to-mv nil)
(should (file-exists-p to-mv)))
;; `dired-create-destination-dirs' set to nil.
(with-dired-bug28834-test
nil nil
(should-error (dired-copy-file-recursive from to-cp nil))
(should-error (dired-rename-file from to-mv nil)))
;; `dired-create-destination-dirs' set to 'ask.
(with-dired-bug28834-test
'ask 'yes ; Answer `yes'
(dired-copy-file-recursive from to-cp nil)
(should (file-exists-p to-cp))
(dired-rename-file from to-mv nil)
(should (file-exists-p to-mv)))
(with-dired-bug28834-test
'ask 'no ; Answer `no'
(should-error (dired-copy-file-recursive from to-cp nil))
(should-error (dired-rename-file from to-mv nil)))))
(ert-deftest dired-test-bug30624 ()
"test for https://debbugs.gnu.org/30624 ."
(cl-letf* ((target-dir (make-temp-file "target" 'dir))
((symbol-function 'dired-mark-read-file-name)
(lambda (&rest _) target-dir))
(inhibit-message t))
;; Delete target-dir: `dired-do-create-files' must recreate it.
(delete-directory target-dir)
(let ((file1 (make-temp-file "bug30624_file1"))
(file2 (make-temp-file "bug30624_file2"))
(dired-create-destination-dirs 'always)
(buf (dired temporary-file-directory)))
(unwind-protect
(progn
(dired-revert)
(dired-mark-files-regexp "bug30624_file")
(should (dired-do-create-files 'copy 'dired-copy-file "Copy" nil)))
(delete-directory target-dir 'recursive)
(mapc #'delete-file `(,file1 ,file2))
(kill-buffer buf)))))
(defun dired-test--check-highlighting (command positions)
(let ((start 1))
(dolist (pos positions)
(should-not (text-property-not-all start (1- pos) 'face nil command))
(should (equal 'warning (get-text-property pos 'face command)))
(setq start (1+ pos)))
(should-not (text-property-not-all
start (length command) 'face nil command))))
(ert-deftest dired-test-highlight-metachar ()
"Check that non-isolated meta-characters are highlighted."
(let* ((command "sed -r -e 's/oo?/a/' -e 's/oo?/a/' ? `?`")
(markers " ^ ^")
(result (dired--highlight-no-subst-chars
(dired--need-confirm-positions command "?")
command
t))
(lines (split-string result "\n")))
(should (= (length lines) 2))
(should (string-match (regexp-quote command) (nth 0 lines)))
(should (string-match (regexp-quote markers) (nth 1 lines)))
(dired-test--check-highlighting (nth 0 lines) '(15 29)))
;; Note that `?` is considered isolated, but `*` is not.
(let* ((command "sed -e 's/o*/a/' -e 's/o`*` /a/'")
(markers " ^ ^")
(result (dired--highlight-no-subst-chars
(dired--need-confirm-positions command "*")
command
t))
(lines (split-string result "\n")))
(should (= (length lines) 2))
(should (string-match (regexp-quote command) (nth 0 lines)))
(should (string-match (regexp-quote markers) (nth 1 lines)))
(dired-test--check-highlighting (nth 0 lines) '(11 25)))
(let* ((command "sed 's/\\?/!/'")
(result (dired--highlight-no-subst-chars
(dired--need-confirm-positions command "?")
command
nil))
(lines (split-string result "\n")))
(should (= (length lines) 1))
(should (string-match (regexp-quote command) (nth 0 lines)))
(dired-test--check-highlighting (nth 0 lines) '(8))))
(ert-deftest dired-guess-default ()
(let ((dired-guess-shell-alist-user nil)
(dired-guess-shell-alist-default
'(("\\.png\\'" "display")
("\\.gif\\'" "display" "xloadimage")
("\\.gif\\'" "feh")
("\\.jpe?g\\'" "xloadimage"))))
(should (equal (dired-guess-default '("/tmp/foo.png")) "display"))
(should (equal (dired-guess-default '("/tmp/foo.gif"))
'("display" "xloadimage" "feh")))
(should (equal (dired-guess-default '("/tmp/foo.png" "/tmp/foo.txt"))
nil))))
(provide 'dired-aux-tests)
;;; dired-aux-tests.el ends here
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