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;;; ediff-diff-tests.el --- Unit tests for ediff-diff.el -*- lexical-binding: t; -*-
;; Copyright (C) 2017-2020 Free Software Foundation, Inc.
;; Author: Philipp Stephani <phst@google.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:
;; Unit tests for lisp/vc/ediff-diff.el.
;;; Code:
(require 'ediff-diff)
(require 'cl-lib)
(require 'ert)
(ert-deftest ediff-diff-tests--ediff-exec-process--quoted-file ()
"Check that Bug#25950 is fixed."
(cl-letf* ((call-process-args ())
((symbol-function #'call-process)
(lambda (&rest args) (push args call-process-args) 0)))
(with-temp-buffer
(ediff-exec-process "diff" (current-buffer) :synchronous ""
"/:/a" "/:/b")
(should (equal call-process-args
`(("diff" nil ,(current-buffer) nil "/a" "/b")))))))
(ert-deftest ediff-diff-tests--ediff-exec-process--nil ()
"Check that Bug#26378 is fixed."
(cl-letf* ((call-process-args ())
((symbol-function #'call-process)
(lambda (&rest args) (push args call-process-args) 0)))
(with-temp-buffer
(ediff-exec-process "diff" (current-buffer) :synchronous ""
"foo" nil "")
(should (equal call-process-args
`(("diff" nil ,(current-buffer) nil "foo")))))))
;;; ediff-diff-tests.el ends here
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