wdired-tests.el 4.95 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
;;; wdired-tests.el --- tests for wdired.el          -*- lexical-binding: t; -*-

;; Copyright (C) 2018 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)
24 25 26
(require 'wdired)

(defvar dired-query)                    ; Pacify byte compiler.
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79

(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)))))

80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
(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)))))

101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129
(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