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;;; wdired-tests.el --- tests for wdired.el -*- lexical-binding: t; -*-
;; Copyright (C) 2018-2019 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; This program 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.
;; This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
;;; Code:
(require 'ert)
(require 'dired)
(require 'wdired)
(defvar dired-query) ; Pacify byte compiler.
(ert-deftest wdired-test-bug32173-01 ()
"Test using non-nil wdired-use-interactive-rename.
Partially modifying a file name should succeed."
(let* ((test-dir (make-temp-file "test-dir-" t))
(test-file (concat (file-name-as-directory test-dir) "foo.c"))
(replace "bar")
(new-file (replace-regexp-in-string "foo" replace test-file))
(wdired-use-interactive-rename t))
(write-region "" nil test-file nil 'silent)
(advice-add 'dired-query ; Don't ask confirmation to overwrite a file.
:override
(lambda (_sym _prompt &rest _args) (setq dired-query t))
'((name . "advice-dired-query")))
(let ((buf (find-file-noselect test-dir)))
(unwind-protect
(with-current-buffer buf
(should (equal (dired-file-name-at-point) test-file))
(dired-toggle-read-only)
(kill-region (point) (progn (search-forward ".")
(forward-char -1) (point)))
(insert replace)
(wdired-finish-edit)
(should (equal (dired-file-name-at-point) new-file)))
(if buf (kill-buffer buf))
(delete-directory test-dir t)))))
(ert-deftest wdired-test-bug32173-02 ()
"Test using non-nil wdired-use-interactive-rename.
Aborting an edit should leaving original file name unchanged."
(let* ((test-dir (make-temp-file "test-dir-" t))
(test-file (concat (file-name-as-directory test-dir) "foo.c"))
(wdired-use-interactive-rename t))
(write-region "" nil test-file nil 'silent)
;; Make dired-do-create-files-regexp a noop to mimic typing C-g
;; at its prompt before wdired-finish-edit returns.
(advice-add 'dired-do-create-files-regexp
:override
(lambda (&rest _) (ignore))
'((name . "advice-dired-do-create-files-regexp")))
(let ((buf (find-file-noselect test-dir)))
(unwind-protect
(with-current-buffer buf
(should (equal (dired-file-name-at-point) test-file))
(dired-toggle-read-only)
(kill-region (point) (progn (search-forward ".")
(forward-char -1) (point)))
(insert "bar")
(wdired-finish-edit)
(should (equal (dired-get-filename) test-file)))
(if buf (kill-buffer buf))
(delete-directory test-dir t)))))
(ert-deftest wdired-test-symlink-name ()
"Test the file name of a symbolic link.
The Dired and WDired functions returning the name should include
only the name before the link arrow."
(let* ((test-dir (make-temp-file "test-dir-" t))
(link-name "foo"))
(let ((buf (find-file-noselect test-dir)))
(unwind-protect
(with-current-buffer buf
(make-symbolic-link "./bar/baz" link-name)
(revert-buffer)
(let* ((file-name (dired-get-filename))
(dir-part (file-name-directory file-name))
(lf-name (concat dir-part link-name)))
(should (equal file-name lf-name))
(dired-toggle-read-only)
(should (equal (wdired-get-filename) lf-name))
(dired-toggle-read-only)))
(if buf (kill-buffer buf))
(delete-directory test-dir t)))))
(ert-deftest wdired-test-unfinished-edit-01 ()
"Test editing a file name without saving the change.
Finding the new name should be possible while still in
wdired-mode."
:expected-result (if (< emacs-major-version 27) :failed :passed)
(let* ((test-dir (make-temp-file "test-dir-" t))
(test-file (concat (file-name-as-directory test-dir) "foo.c"))
(replace "bar")
(new-file (replace-regexp-in-string "foo" replace test-file)))
(write-region "" nil test-file nil 'silent)
(let ((buf (find-file-noselect test-dir)))
(unwind-protect
(with-current-buffer buf
(should (equal (dired-file-name-at-point) test-file))
(dired-toggle-read-only)
(kill-region (point) (progn (search-forward ".")
(forward-char -1) (point)))
(insert replace)
(should (equal (dired-get-filename) new-file)))
(when buf
(with-current-buffer buf
;; Prevent kill-buffer-query-functions from chiming in.
(set-buffer-modified-p nil)
(kill-buffer buf)))
(delete-directory test-dir t)))))
(provide 'wdired-tests)
;;; wdired-tests.el ends here
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