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emacs/test/lisp/saveplace-tests.el
Stefan Kangas cdbbc2081e Use lexical-binding in saveplace.el and add tests
* lisp/saveplace.el: Use lexical-binding.
(save-place-to-alist): Doc fix.
* test/lisp/saveplace-tests.el:
* test/lisp/saveplace-resources/saveplace: New files.
2020-08-08 01:40:38 +02:00

104 lines
3.7 KiB
EmacsLisp

;;; saveplace-tests.el --- Tests for saveplace.el -*- lexical-binding:t -*-
;; Copyright (C) 2019-2020 Free Software Foundation, Inc.
;; Author: Stefan Kangas <stefankangas@gmail.com>
;; 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/>.
;;; Commentary:
(require 'ert)
(require 'saveplace)
(defvar saveplace-tests-dir
(file-truename
(expand-file-name "saveplace-resources"
(file-name-directory (or load-file-name
buffer-file-name)))))
(ert-deftest saveplace-test-save-place-to-alist/dir ()
(save-place-mode)
(let* ((save-place-alist nil)
(save-place-loaded t)
(loc saveplace-tests-dir))
(save-window-excursion
(dired loc)
(save-place-to-alist)
(should (equal save-place-alist
`((,(concat loc "/")
(dired-filename . ,(concat loc "/saveplace")))))))))
(ert-deftest saveplace-test-save-place-to-alist/file ()
(save-place-mode)
(let* ((tmpfile (make-temp-file "emacs-test-saveplace-"))
(save-place-alist nil)
(save-place-loaded t)
(loc tmpfile)
(pos 4))
(unwind-protect
(save-window-excursion
(find-file loc)
(insert "abc") ; must insert something
(save-place-to-alist)
(should (equal save-place-alist (list (cons tmpfile pos)))))
(delete-file tmpfile))))
(ert-deftest saveplace-test-forget-unreadable-files ()
(save-place-mode)
(let* ((save-place-loaded t)
(tmpfile (make-temp-file "emacs-test-saveplace-"))
(alist-orig (list (cons "/this/file/does/not/exist" 10)
(cons tmpfile 1917)))
(save-place-alist alist-orig))
(unwind-protect
(progn
(save-place-forget-unreadable-files)
(should (equal save-place-alist (cdr alist-orig))))
(delete-file tmpfile))))
(ert-deftest saveplace-test-place-alist-to-file ()
(save-place-mode)
(let* ((tmpfile (make-temp-file "emacs-test-saveplace-"))
(tmpfile2 (make-temp-file "emacs-test-saveplace-"))
(save-place-file tmpfile)
(save-place-alist (list (cons tmpfile2 99))))
(unwind-protect
(progn (save-place-alist-to-file)
(setq save-place-alist nil)
(save-window-excursion
(find-file save-place-file)
(unwind-protect
(should (string-match tmpfile2 (buffer-string)))
(kill-buffer))))
(delete-file tmpfile)
(delete-file tmpfile2))))
(ert-deftest saveplace-test-load-alist-from-file ()
(save-place-mode)
(let ((save-place-loaded nil)
(save-place-file
(expand-file-name "saveplace" saveplace-tests-dir))
(save-place-alist nil))
(load-save-place-alist-from-file)
(should (equal save-place-alist
'(("/home/skangas/.emacs.d/cache/recentf" . 1306)
("/home/skangas/wip/emacs/"
(dired-filename . "/home/skangas/wip/emacs/COPYING")))))))
(provide 'saveplace-tests)
;;; saveplace-tests.el ends here