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;;; copyright-tests.el --- tests for copyright.el -*- lexical-binding: t -*-
;; Copyright (C) 2020-2025 Free Software Foundation, Inc.
;; 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/>.
;;; Code:
(require 'ert)
(require 'cl-lib)
(require 'copyright)
(defmacro with-copyright-test (orig result)
`(cl-letf (((symbol-function 'format-time-string) (lambda (&rest _) "2019")))
(let ((copyright-query nil)
(copyright-current-year 2019))
(with-temp-buffer
(insert ,orig)
(copyright-update)
(should (equal (buffer-string) ,result))))))
(defvar copyright-tests--data
'((";; Copyright (C) 2017 Free Software Foundation, Inc."
. ";; Copyright (C) 2017, 2019 Free Software Foundation, Inc.")
(";; Copyright (C) 2017-2018 Free Software Foundation, Inc."
. ";; Copyright (C) 2017-2019 Free Software Foundation, Inc.")
(";; Copyright (C) 2017–2018 Free Software Foundation, Inc."
. ";; Copyright (C) 2017–2019 Free Software Foundation, Inc.")
(";; Copyright (C) 2005-2006, 2015, 2017-2018 Free Software Foundation, Inc."
. ";; Copyright (C) 2005-2006, 2015, 2017-2019 Free Software Foundation, Inc.")
(";; Copyright (C) 2005–2006, 2015, 2017–2018 Free Software Foundation, Inc."
. ";; Copyright (C) 2005–2006, 2015, 2017–2019 Free Software Foundation, Inc.")
(";; copyright '18 FSF"
. ";; copyright '18, '19 FSF")))
(ert-deftest test-copyright-update ()
(dolist (test copyright-tests--data)
(with-copyright-test (car test) (cdr test))))
(ert-deftest test-end-chop ()
(should
(equal
(with-temp-buffer
(let ((copyright-query nil))
(insert (make-string (- copyright-limit 14) ?x) "\n"
"\nCopyright 2006, 2007, 2008 Foo Bar\n\n")
(copyright-update)
(buffer-substring (- (point-max) 42) (point-max))))
(format "Copyright 2006, 2007, 2008, %s Foo Bar\n\n"
(format-time-string "%Y")))))
(ert-deftest test-correct-notice ()
(should (equal
(with-temp-buffer
(dotimes (_ 2)
(insert "Copyright 2021 FSF\n"))
(let ((copyright-at-end-flag t)
(copyright-query nil))
(copyright-update))
(buffer-string))
(format "Copyright 2021 FSF\nCopyright 2021, %s FSF\n"
(format-time-string "%Y")))))
(defmacro with-copyright-fix-years-test (orig result)
`(let ((copyright-year-ranges t))
(with-temp-buffer
(insert ,orig)
(copyright-fix-years)
(should (equal (buffer-string) ,result)))))
(defvar copyright-fix-years-tests--data
'((";; Copyright (C) 2008, 2010, 2012"
. ";; Copyright (C) 2008, 2010, 2012")
(";; Copyright (C) 2008, 2009, 2010, 2013, 2014, 2015, 2016, 2018"
. ";; Copyright (C) 2008-2010, 2013-2016, 2018")
(";; Copyright (C) 2008-2010, 2011, 2015, 2016, 2017"
. ";; Copyright (C) 2008-2010, 2011, 2015-2017")))
(ert-deftest text-copyright-fix-years ()
"Test basics of \\[copyright-fix-years]."
(dolist (test copyright-fix-years-tests--data)
(with-copyright-fix-years-test (car test) (cdr test))))
(provide 'copyright-tests)
;;; copyright-tests.el ends here
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