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|
;;; iso8601-tests.el --- tests for calendar/iso8601.el -*- lexical-binding:t -*-
;; Copyright (C) 2019-2025 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 'iso8601)
(ert-deftest test-iso8601-date-years ()
(should (equal (iso8601-parse-date "1985")
'(nil nil nil nil nil 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "-0003")
'(nil nil nil nil nil -3 nil -1 nil)))
(should (equal (iso8601-parse-date "+1985")
'(nil nil nil nil nil 1985 nil -1 nil))))
(ert-deftest test-iso8601-date-dates ()
(should (equal (iso8601-parse-date "1985-03-14")
'(nil nil nil 14 3 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "19850314")
'(nil nil nil 14 3 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "1985-02")
'(nil nil nil nil 2 1985 nil -1 nil))))
(ert-deftest test-iso8601-date-obsolete ()
(should (equal (iso8601-parse-date "--02-01")
'(nil nil nil 1 2 nil nil -1 nil)))
(should (equal (iso8601-parse-date "--0201")
'(nil nil nil 1 2 nil nil -1 nil))))
(ert-deftest test-iso8601-date-obsolete-2000 ()
;; These are forms in 5.2.1.3 of the 2000 version of the standard,
;; e) and f).
(should (equal (iso8601-parse-date "--12")
'(nil nil nil nil 12 nil nil -1 nil)))
(should (equal (iso8601-parse "--12T14")
'(0 0 14 nil 12 nil nil -1 nil)))
(should (equal (iso8601-parse-date "---12")
'(nil nil nil 12 nil nil nil -1 nil)))
(should (equal (iso8601-parse "---12T14:10:12")
'(12 10 14 12 nil nil nil -1 nil))))
(ert-deftest test-iso8601-date-weeks ()
(should (equal (iso8601-parse-date "2008W39-6")
'(nil nil nil 27 9 2008 nil -1 nil)))
(should (equal (iso8601-parse-date "2009W01-1")
'(nil nil nil 29 12 2008 nil -1 nil)))
(should (equal (iso8601-parse-date "2009W53-7")
'(nil nil nil 3 1 2010 nil -1 nil))))
(ert-deftest test-iso8601-date-ordinals ()
(should (equal (iso8601-parse-date "1981-095")
'(nil nil nil 5 4 1981 nil -1 nil))))
(ert-deftest test-iso8601-time ()
(should (equal (iso8601-parse-time "13:47:30")
'(30 47 13 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "134730")
'(30 47 13 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "1347")
'(0 47 13 nil nil nil nil -1 nil))))
(ert-deftest test-iso8601-combined ()
(should (equal (iso8601-parse "2008-03-02T13:47:30")
'(30 47 13 2 3 2008 nil -1 nil)))
(should (equal (iso8601-parse "2008-03-02T13:47:30Z")
'(30 47 13 2 3 2008 nil nil 0)))
(should (equal (iso8601-parse "2008-03-02T13:47:30+01:00")
'(30 47 13 2 3 2008 nil -1 3600)))
(should (equal (iso8601-parse "2008-03-02T13:47:30-01")
'(30 47 13 2 3 2008 nil -1 -3600))))
(ert-deftest test-iso8601-duration ()
(should (equal (iso8601-parse-duration "P3Y6M4DT12H30M5S")
'(5 30 12 4 6 3 nil -1 nil)))
(should (equal (iso8601-parse-duration "P1M")
'(0 0 0 0 1 0 nil -1 nil)))
(should (equal (iso8601-parse-duration "PT1M")
'(0 1 0 0 0 0 nil -1 nil)))
(should (equal (iso8601-parse-duration "P0003-06-04T12:30:05")
'(5 30 12 4 6 3 nil -1 nil))))
(ert-deftest test-iso8601-invalid ()
(should-not (iso8601-valid-p " 2008-03-02T13:47:30-01"))
(should-not (iso8601-valid-p "2008-03-02T13:47:30-01:200"))
(should-not (iso8601-valid-p "2008-03-02T13:47:30-01 "))
(should-not (iso8601-valid-p "2008-03-02 T 13:47:30-01 "))
(should-not (iso8601-valid-p "20008-03-02T13:47:30-01")))
(ert-deftest test-iso8601-intervals ()
(should (equal
(iso8601-parse-interval "2007-03-01T13:00:00Z/2008-05-11T15:30:00Z")
'((0 0 13 1 3 2007 nil nil 0)
(0 30 15 11 5 2008 nil nil 0)
;; Hm... can't really use decode-time for time differences...
(0 30 2 14 3 1971 0 nil 0))))
(should (equal (iso8601-parse-interval "2007-03-01T13:00:00Z/P1Y2M10DT2H30M")
'((0 0 13 1 3 2007 nil nil 0)
(0 30 15 11 5 2008 nil nil 0)
(0 30 2 10 2 1 nil -1 nil))))
(should (equal (iso8601-parse-interval "P1Y2M10DT2H30M/2008-05-11T15:30:00Z")
'((0 0 13 1 3 2007 nil nil 0)
(0 30 15 11 5 2008 nil nil 0)
(0 30 2 10 2 1 nil -1 nil)))))
(ert-deftest standard-test-dates ()
(should (equal (iso8601-parse-date "19850412")
'(nil nil nil 12 4 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "1985-04-12")
'(nil nil nil 12 4 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "1985102")
'(nil nil nil 12 4 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "1985-102")
'(nil nil nil 12 4 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "1985W155")
'(nil nil nil 12 4 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "1985-W15-5")
'(nil nil nil 12 4 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "1985W15")
'(nil nil nil 7 4 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "1985-W15")
'(nil nil nil 7 4 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "1985-04")
'(nil nil nil nil 4 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "1985")
'(nil nil nil nil nil 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "+1985-04-12")
'(nil nil nil 12 4 1985 nil -1 nil)))
(should (equal (iso8601-parse-date "+19850412")
'(nil nil nil 12 4 1985 nil -1 nil))))
(ert-deftest standard-test-time-of-day-local-time ()
(should (equal (iso8601-parse-time "152746")
'(46 27 15 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "15:27:46")
'(46 27 15 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "1528")
'(0 28 15 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "15:28")
'(0 28 15 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "15")
'(0 0 15 nil nil nil nil -1 nil))))
(ert-deftest standard-test-time-of-day-fractions ()
(should (equal (iso8601-parse-time "152735,5" t)
'((355 . 10) 27 15 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "15:27:35,5" t)
'((355 . 10) 27 15 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "2320,5" t)
'(30 20 23 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "23:20,8" t)
'(48 20 23 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "23,3" t)
'(0 18 23 nil nil nil nil -1 nil))))
(ert-deftest nonstandard-test-time-of-day-decimals ()
(should (equal (iso8601-parse-time "15:27:35.123" t)
'((35123 . 1000) 27 15 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "15:27:35.123456789" t)
'((35123456789 . 1000000000) 27 15 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "15:27:35.012345678" t)
'((35012345678 . 1000000000) 27 15 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "15:27:35.00001" t)
'((3500001 . 100000) 27 15 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "15:27:35.0000100" t)
'((3500001 . 100000) 27 15 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "15:27:35.0" t)
'(35 27 15 nil nil nil nil -1 nil))))
(ert-deftest standard-test-time-of-day-beginning-of-day ()
(should (equal (iso8601-parse-time "000000")
'(0 0 0 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "00:00:00")
'(0 0 0 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "0000")
'(0 0 0 nil nil nil nil -1 nil)))
(should (equal (iso8601-parse-time "00:00")
'(0 0 0 nil nil nil nil -1 nil))))
(ert-deftest standard-test-time-of-day-utc ()
(should (equal (iso8601-parse-time "232030Z")
'(30 20 23 nil nil nil nil nil 0)))
(should (equal (iso8601-parse-time "23:20:30Z")
'(30 20 23 nil nil nil nil nil 0)))
(should (equal (iso8601-parse-time "2320Z")
'(0 20 23 nil nil nil nil nil 0)))
(should (equal (iso8601-parse-time "23:20Z")
'(0 20 23 nil nil nil nil nil 0)))
(should (equal (iso8601-parse-time "23Z")
'(0 0 23 nil nil nil nil nil 0))))
(ert-deftest standard-test-time-of-day-zone ()
(should (equal (iso8601-parse-time "152746+0100")
'(46 27 15 nil nil nil nil -1 3600)))
(should (equal (iso8601-parse-time "15:27:46+0100")
'(46 27 15 nil nil nil nil -1 3600)))
(should (equal (iso8601-parse-time "152746+01")
'(46 27 15 nil nil nil nil -1 3600)))
(should (equal (iso8601-parse-time "15:27:46+01")
'(46 27 15 nil nil nil nil -1 3600)))
(should (equal (iso8601-parse-time "152746-0500")
'(46 27 15 nil nil nil nil -1 -18000)))
(should (equal (iso8601-parse-time "15:27:46-0500")
'(46 27 15 nil nil nil nil -1 -18000)))
(should (equal (iso8601-parse-time "152746-05")
'(46 27 15 nil nil nil nil -1 -18000)))
(should (equal (iso8601-parse-time "15:27:46-05")
'(46 27 15 nil nil nil nil -1 -18000))))
(defun test-iso8601-format-time-string-zone-round-trip (offset-minutes z-format)
"Pass OFFSET-MINUTES to format-time-string with Z-FORMAT, a %z variation,
and then to iso8601-parse-zone. The result should be the original offset."
(let* ((offset-seconds (* 60 offset-minutes))
(zone-string (format-time-string z-format 0 offset-seconds))
(offset-rt
(condition-case nil
(iso8601-parse-zone zone-string)
(wrong-type-argument (format "(failed to parse %S)" zone-string))))
;; compare strings that contain enough info to debug failures
(success (format "%s(%s) -> %S -> %s"
z-format offset-minutes zone-string offset-minutes))
(actual (format "%s(%s) -> %S -> %s"
z-format offset-minutes zone-string offset-rt)))
(should (equal success actual))))
(ert-deftest iso8601-format-time-string-zone-round-trip ()
"Round trip zone offsets through format-time-string and iso8601-parse-zone.
Passing a time zone created by format-time-string %z to
iso8601-parse-zone should yield the original offset."
(dolist (offset-minutes
(list
;; compare hours (1- and 2-digit), minutes, both, neither
(* 5 60) (* 11 60) 5 11 (+ (* 5 60) 30) (+ (* 11 60) 30) 0
;; do negative values, too
(* -5 60) (* -11 60) -5 -11 (- (* -5 60) 30) (- (* -11 60) 30)))
(dolist (z-format '("%z" "%:z" "%:::z"))
(test-iso8601-format-time-string-zone-round-trip
offset-minutes z-format))))
(ert-deftest standard-test-date-and-time-of-day ()
(should (equal (iso8601-parse "19850412T101530")
'(30 15 10 12 4 1985 nil -1 nil)))
(should (equal (iso8601-parse "1985-04-12T10:15:30")
'(30 15 10 12 4 1985 nil -1 nil)))
(should (equal (iso8601-parse "1985102T235030Z")
'(30 50 23 12 4 1985 nil nil 0)))
(should (equal (iso8601-parse "1985-102T23:50:30Z")
'(30 50 23 12 4 1985 nil nil 0)))
(should (equal (iso8601-parse "1985W155T235030")
'(30 50 23 12 4 1985 nil -1 nil)))
(should (equal (iso8601-parse "1985-W155T23:50:30")
'(30 50 23 12 4 1985 nil -1 nil))))
(ert-deftest standard-test-interval ()
;; A time interval starting at 20 minutes and 50 seconds past 23
;; hours on 12 April 1985 and ending at 30 minutes past 10 hours on
;; 25 June 1985.
(should (equal (iso8601-parse-interval "19850412T232050Z/19850625T103000Z")
'((50 20 23 12 4 1985 nil nil 0)
(0 30 10 25 6 1985 nil nil 0)
(10 9 11 15 3 1970 0 nil 0))))
(should (equal (iso8601-parse-interval
"1985-04-12T23:20:50Z/1985-06-25T10:30:00Z")
'((50 20 23 12 4 1985 nil nil 0)
(0 30 10 25 6 1985 nil nil 0)
(10 9 11 15 3 1970 0 nil 0))))
;; A time interval starting at 12 April 1985 and ending on 25 June
;; 1985.
;; This example doesn't seem valid according to the standard.
;; "0625" is unambiguous, and means "the year 625". Weird.
;; (should (equal (iso8601-parse-interval "19850412/0625")
;; '((nil nil nil 12 4 1985 nil -1 nil)
;; (nil nil nil nil nil 625 nil -1 nil)
;; (0 17 0 22 9 609 5 nil 0))))
;; A time interval of 2 years, 10 months, 15 days, 10 hours, 20
;; minutes and 30 seconds.
(should (equal (iso8601-parse-duration "P2Y10M15DT10H20M30S")
'(30 20 10 15 10 2 nil -1 nil)))
(should (equal (iso8601-parse-duration "P00021015T102030")
'(30 20 10 15 10 2 nil -1 nil)))
(should (equal (iso8601-parse-duration "P0002-10-15T10:20:30")
'(30 20 10 15 10 2 nil -1 nil)))
;; A time interval of 1 year and 6 months.
(should (equal (iso8601-parse-duration "P1Y6M")
'(0 0 0 0 6 1 nil -1 nil)))
(should (equal (iso8601-parse-duration "P0001-06")
'(nil nil nil nil 6 1 nil -1 nil)))
;; A time interval of seventy-two hours.
(should (equal (iso8601-parse-duration "PT72H")
'(0 0 72 0 0 0 nil -1 nil)))
;; Defined by start and duration
;; A time interval of 1 year, 2 months, 15 days and 12 hours,
;; beginning on 12 April 1985 at 20 minutes past 23 hours.
(should (equal (iso8601-parse-interval "19850412T232000/P1Y2M15DT12H")
'((0 20 23 12 4 1985 nil -1 nil)
(0 20 11 28 6 1986 nil -1 nil)
(0 0 12 15 2 1 nil -1 nil))))
(should (equal (iso8601-parse-interval "1985-04-12T23:20:00/P1Y2M15DT12H")
'((0 20 23 12 4 1985 nil -1 nil)
(0 20 11 28 6 1986 nil -1 nil)
(0 0 12 15 2 1 nil -1 nil))))
;; Defined by duration and end
;; A time interval of 1 year, 2 months, 15 days and 12 hours, ending
;; on 12 April 1985 at 20 minutes past 23 hour.
(should (equal (iso8601-parse-interval "P1Y2M15DT12H/19850412T232000")
'((0 20 11 28 1 1984 nil -1 nil)
(0 20 23 12 4 1985 nil -1 nil)
(0 0 12 15 2 1 nil -1 nil)))))
;;; iso8601-tests.el ends here
|
