emacs/test/lisp/mail/uudecode-tests.el

;;; uudecode-tests.el --- Tests for uudecode.el  -*- lexical-binding: t -*-

;; Copyright (C) 2019-2024 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:

;;; Code:

(require 'ert)
(require 'ert-x)
(require 'uudecode)

(defun uudecode-tests-read-file (file)
  "Read contents of FILE and return as string."
  (with-temp-buffer
    (insert-file-contents file)
    (buffer-string)))

(defvar uudecode-tests-encoded-str
  (uudecode-tests-read-file (ert-resource-file "uuencoded.txt"))
  "Uuencoded data for bookmark-tests.el.
Same as `uudecode-tests-decoded-str' but uuencoded.")
(defvar uudecode-tests-decoded-str
  (uudecode-tests-read-file (ert-resource-file "uudecoded.txt"))
  "Plain text data for bookmark-tests.el.
Same as `uudecode-tests-encoded-str' but plain text.")

(ert-deftest uudecode-tests-decode-region-internal ()
  ;; Write to buffer
  (with-temp-buffer
    (insert uudecode-tests-encoded-str)
    (uudecode-decode-region-internal (point-min) (point-max))
    (should (equal (buffer-string) uudecode-tests-decoded-str)))
  ;; Write to file
  (with-temp-buffer
    (ert-with-temp-file tmpfile
      (insert uudecode-tests-encoded-str)
      (uudecode-decode-region-internal (point-min) (point-max) tmpfile)
      (should (equal (uudecode-tests-read-file tmpfile)
                     uudecode-tests-decoded-str)))))

(ert-deftest uudecode-tests-decode-region-external ()
  ;; Write to buffer
  (when uudecode-use-external
    (with-temp-buffer
      (insert uudecode-tests-encoded-str)
      (uudecode-decode-region-external (point-min) (point-max))
      (should (equal (buffer-string) uudecode-tests-decoded-str)))
    ;; Write to file
    (with-temp-buffer
      (ert-with-temp-file tmpfile
        (insert uudecode-tests-encoded-str)
        (uudecode-decode-region-external (point-min) (point-max) tmpfile)
        (should (equal (uudecode-tests-read-file tmpfile)
                       uudecode-tests-decoded-str))))))

(provide 'uudecode-tests)
;;; uudecode-tests.el ends here