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| | ;;; lunar-tests.el --- tests for calendar/lunar.el -*- lexical-binding:t -*-
;; Copyright (C) 2020-2022 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/>.
;;; Code:
(require 'ert)
(require 'lunar)
(defmacro with-lunar-test (&rest body)
`(let ((calendar-latitude 40.1)
(calendar-longitude -88.2)
(calendar-location-name "Paris")
(calendar-time-zone 0)
(calendar-standard-time-zone-name "UTC")
;; Make sure daylight saving is disabled to avoid interference
;; from the system settings (see bug#45818).
(calendar-daylight-savings-starts nil)
(calendar-time-display-form '(24-hours ":" minutes)))
,@body))
(ert-deftest lunar-test-phase ()
(with-lunar-test
(should (equal (lunar-phase 1)
'((1 8 1900) "05:40" 1 "")))))
(ert-deftest lunar-test-eclipse-check ()
(with-lunar-test
(should (equal (eclipse-check 1 1) "** Eclipse **"))))
(ert-deftest lunar-test-phase-list ()
(with-lunar-test
(should (equal (lunar-phase-list 3 1871)
'(((3 21 1871) "04:03" 0 "")
((3 29 1871) "06:46" 1 "** Eclipse **")
((4 5 1871) "14:20" 2 "")
((4 12 1871) "05:57" 3 "** Eclipse possible **")
((4 19 1871) "19:06" 0 "")
((4 27 1871) "23:49" 1 "")
((5 4 1871) "22:57" 2 "")
((5 11 1871) "14:29" 3 "")
((5 19 1871) "10:46" 0 "")
((5 27 1871) "13:02" 1 ""))))))
(ert-deftest lunar-test-new-moon-time ()
(with-lunar-test
(should (= (round (lunar-new-moon-time 1))
2451580))))
(ert-deftest lunar-test-new-moon-on-or-after ()
(with-lunar-test
(should (= (round (lunar-new-moon-on-or-after (calendar-absolute-from-gregorian '(5 5 1818))))
664525))))
(provide 'lunar-tests)
;;; lunar-tests.el ends here
|