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;;; mailcap-tests.el --- tests for mailcap.el -*- lexical-binding: t -*-
;; Copyright (C) 2017-2020 Free Software Foundation, Inc.
;; Author: Mark Oteiza <mvoteiza@udel.edu>
;; 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 'mailcap)
(defconst mailcap-tests-path (ert-resource-file "mime.types")
"String used as PATH argument of `mailcap-parse-mimetypes'.")
(defconst mailcap-tests-mime-extensions (copy-alist mailcap-mime-extensions))
(defconst mailcap-tests-path-extensions
'((".wav" . "audio/x-wav")
(".flac" . "audio/flac")
(".opus" . "audio/ogg"))
"Alist of MIME associations in `mailcap-tests-path'.")
(ert-deftest mailcap-mimetypes-parsed-p ()
(should (null mailcap-mimetypes-parsed-p)))
(ert-deftest mailcap-parse-empty-path ()
"If PATH is empty, this should be a noop."
(mailcap-parse-mimetypes "file/that/should/not/exist" t)
(should mailcap-mimetypes-parsed-p)
(should (equal mailcap-mime-extensions mailcap-tests-mime-extensions)))
(ert-deftest mailcap-parse-path ()
(let ((mimetypes (getenv "MIMETYPES")))
(unwind-protect
(progn
(setenv "MIMETYPES" mailcap-tests-path)
(mailcap-parse-mimetypes nil t))
(setenv "MIMETYPES" mimetypes)))
(should (equal mailcap-mime-extensions
(append mailcap-tests-path-extensions
mailcap-tests-mime-extensions)))
;; Already parsed this, should be a noop
(mailcap-parse-mimetypes mailcap-tests-path)
(should (equal mailcap-mime-extensions
(append mailcap-tests-path-extensions
mailcap-tests-mime-extensions))))
;;; mailcap-tests.el ends here
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