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| | ;;; time-stamp-tests.el --- tests for time-stamp.el -*- lexical-binding: t -*-
;; Copyright (C) 2019 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)
(eval-when-compile (require 'cl-lib))
(require 'time-stamp)
(defmacro with-time-stamp-test-env (&rest body)
"Evaluates BODY with some standard time-stamp test variables bound."
`(let ((user-login-name "test-logname")
(user-full-name "Time Stamp Tester")
(buffer-file-name "/emacs/test/time-stamped-file")
(mail-host-address "test-mail-host-name")
(ref-time '(17337 16613)) ;Monday, Jan 2, 2006, 3:04:05 PM
(ref-time2 '(22574 61591)) ;Friday, Nov 18, 2016, 12:14:15 PM
(ref-time3 '(21377 34956)) ;Sunday, May 25, 2014, 06:07:08 AM
(time-stamp-time-zone t)) ;use UTC
(cl-letf (((symbol-function 'time-stamp-conv-warn)
(lambda (old-format _new)
(ert-fail
(format "Unexpected format warning for '%s'" old-format))))
((symbol-function 'system-name)
(lambda () "test-system-name.example.org")))
;; Not all reference times are used in all tests;
;; suppress the byte compiler's "unused" warning.
(list ref-time ref-time2 ref-time3)
,@body)))
(put 'with-time-stamp-test-env 'lisp-indent-hook 'defun)
(defmacro time-stamp-should-warn (form)
"Similar to `should' but verifies that a format warning is generated."
`(let ((warning-count 0))
(cl-letf (((symbol-function 'time-stamp-conv-warn)
(lambda (_old _new)
(setq warning-count (1+ warning-count)))))
(should ,form)
(if (not (= warning-count 1))
(ert-fail (format "Should have warned about format: %S" ',form))))))
;;; Tests:
(ert-deftest time-stamp-test-day-of-week ()
"Test time-stamp formats for named day of week."
(with-time-stamp-test-env
;; implemented and documented since 1997
(should (equal (time-stamp-string "%3a" ref-time) "Mon"))
(should (equal (time-stamp-string "%#A" ref-time) "MONDAY"))
;; documented 1997-2019
(should (equal (time-stamp-string "%3A" ref-time) "MON"))
(should (equal (time-stamp-string "%:a" ref-time) "Monday"))
;; implemented since 2001, documented since 2019
(should (equal (time-stamp-string "%#a" ref-time) "MON"))
(should (equal (time-stamp-string "%:A" ref-time) "Monday"))
;; allowed but undocumented since 2019 (warned 1997-2019)
(should (equal (time-stamp-string "%^A" ref-time) "MONDAY"))
;; warned 1997-2019, changed in 2019
(should (equal (time-stamp-string "%a" ref-time) "Mon"))
(should (equal (time-stamp-string "%^a" ref-time) "MON"))
(should (equal (time-stamp-string "%A" ref-time) "Monday"))))
(ert-deftest time-stamp-test-month-name ()
"Test time-stamp formats for month name."
(with-time-stamp-test-env
;; implemented and documented since 1997
(should (equal (time-stamp-string "%3b" ref-time) "Jan"))
(should (equal (time-stamp-string "%#B" ref-time) "JANUARY"))
;; documented 1997-2019
(should (equal (time-stamp-string "%3B" ref-time) "JAN"))
(should (equal (time-stamp-string "%:b" ref-time) "January"))
;; implemented since 2001, documented since 2019
(should (equal (time-stamp-string "%#b" ref-time) "JAN"))
(should (equal (time-stamp-string "%:B" ref-time) "January"))
;; allowed but undocumented since 2019 (warned 1997-2019)
(should (equal (time-stamp-string "%^B" ref-time) "JANUARY"))
;; warned 1997-2019, changed in 2019
(should (equal (time-stamp-string "%b" ref-time) "Jan"))
(should (equal (time-stamp-string "%^b" ref-time) "JAN"))
(should (equal (time-stamp-string "%B" ref-time) "January"))))
(ert-deftest time-stamp-test-day-of-month ()
"Test time-stamp formats for day of month."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%2d" ref-time) " 2"))
(should (equal (time-stamp-string "%2d" ref-time2) "18"))
(should (equal (time-stamp-string "%02d" ref-time) "02"))
(should (equal (time-stamp-string "%02d" ref-time2) "18"))
;; documented 1997-2019
(should (equal (time-stamp-string "%:d" ref-time) "2"))
(should (equal (time-stamp-string "%:d" ref-time2) "18"))
;; implemented since 1997, documented since 2019
(should (equal (time-stamp-string "%1d" ref-time) "2"))
(should (equal (time-stamp-string "%1d" ref-time2) "18"))
;; allowed but undocumented since 2019 (warned 1997-2019)
(should (equal (time-stamp-string "%-d" ref-time) "2"))
(should (equal (time-stamp-string "%-d" ref-time2) "18"))
;; warned 1997-2019, changed in 2019
(should (equal (time-stamp-string "%_d" ref-time) " 2"))
(should (equal (time-stamp-string "%_d" ref-time2) "18"))
(should (equal (time-stamp-string "%d" ref-time) "02"))
(should (equal (time-stamp-string "%d" ref-time2) "18"))))
(ert-deftest time-stamp-test-hours-24 ()
"Test time-stamp formats for hour on a 24-hour clock."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%2H" ref-time) "15"))
(should (equal (time-stamp-string "%2H" ref-time2) "12"))
(should (equal (time-stamp-string "%2H" ref-time3) " 6"))
(should (equal (time-stamp-string "%02H" ref-time) "15"))
(should (equal (time-stamp-string "%02H" ref-time2) "12"))
(should (equal (time-stamp-string "%02H" ref-time3) "06"))
;; documented 1997-2019
(should (equal (time-stamp-string "%:H" ref-time) "15"))
(should (equal (time-stamp-string "%:H" ref-time2) "12"))
(should (equal (time-stamp-string "%:H" ref-time3) "6"))
;; implemented since 1997, documented since 2019
(should (equal (time-stamp-string "%1H" ref-time) "15"))
(should (equal (time-stamp-string "%1H" ref-time2) "12"))
(should (equal (time-stamp-string "%1H" ref-time3) "6"))
;; allowed but undocumented since 2019 (warned 1997-2019)
(should (equal (time-stamp-string "%-H" ref-time) "15"))
(should (equal (time-stamp-string "%-H" ref-time2) "12"))
(should (equal (time-stamp-string "%-H" ref-time3) "6"))
;; warned 1997-2019, changed in 2019
(should (equal (time-stamp-string "%_H" ref-time) "15"))
(should (equal (time-stamp-string "%_H" ref-time2) "12"))
(should (equal (time-stamp-string "%_H" ref-time3) " 6"))
(should (equal (time-stamp-string "%H" ref-time) "15"))
(should (equal (time-stamp-string "%H" ref-time2) "12"))
(should (equal (time-stamp-string "%H" ref-time3) "06"))))
(ert-deftest time-stamp-test-hours-12 ()
"Test time-stamp formats for hour on a 12-hour clock."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%2I" ref-time) " 3"))
(should (equal (time-stamp-string "%2I" ref-time2) "12"))
(should (equal (time-stamp-string "%2I" ref-time3) " 6"))
(should (equal (time-stamp-string "%02I" ref-time) "03"))
(should (equal (time-stamp-string "%02I" ref-time2) "12"))
(should (equal (time-stamp-string "%02I" ref-time3) "06"))
;; documented 1997-2019
(should (equal (time-stamp-string "%:I" ref-time) "3")) ;PM
(should (equal (time-stamp-string "%:I" ref-time2) "12")) ;PM
(should (equal (time-stamp-string "%:I" ref-time3) "6")) ;AM
;; implemented since 1997, documented since 2019
(should (equal (time-stamp-string "%1I" ref-time) "3"))
(should (equal (time-stamp-string "%1I" ref-time2) "12"))
(should (equal (time-stamp-string "%1I" ref-time3) "6"))
;; allowed but undocumented since 2019 (warned 1997-2019)
(should (equal (time-stamp-string "%-I" ref-time) "3"))
(should (equal (time-stamp-string "%-I" ref-time2) "12"))
(should (equal (time-stamp-string "%-I" ref-time3) "6"))
;; warned 1997-2019, changed in 2019
(should (equal (time-stamp-string "%_I" ref-time) " 3"))
(should (equal (time-stamp-string "%_I" ref-time2) "12"))
(should (equal (time-stamp-string "%_I" ref-time3) " 6"))
(should (equal (time-stamp-string "%I" ref-time) "03"))
(should (equal (time-stamp-string "%I" ref-time2) "12"))
(should (equal (time-stamp-string "%I" ref-time3) "06"))))
(ert-deftest time-stamp-test-month-number ()
"Test time-stamp formats for month number."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%2m" ref-time) " 1"))
(should (equal (time-stamp-string "%2m" ref-time2) "11"))
(should (equal (time-stamp-string "%02m" ref-time) "01"))
(should (equal (time-stamp-string "%02m" ref-time2) "11"))
;; documented 1997-2019
(should (equal (time-stamp-string "%:m" ref-time) "1"))
(should (equal (time-stamp-string "%:m" ref-time2) "11"))
;; implemented since 1997, documented since 2019
(should (equal (time-stamp-string "%1m" ref-time) "1"))
(should (equal (time-stamp-string "%1m" ref-time2) "11"))
;; allowed but undocumented since 2019 (warned 1997-2019)
(should (equal (time-stamp-string "%-m" ref-time) "1"))
(should (equal (time-stamp-string "%-m" ref-time2) "11"))
;; warned 1997-2019, changed in 2019
(should (equal (time-stamp-string "%_m" ref-time) " 1"))
(should (equal (time-stamp-string "%_m" ref-time2) "11"))
(should (equal (time-stamp-string "%m" ref-time) "01"))
(should (equal (time-stamp-string "%m" ref-time2) "11"))))
(ert-deftest time-stamp-test-minute ()
"Test time-stamp formats for minute."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%2M" ref-time) " 4"))
(should (equal (time-stamp-string "%2M" ref-time2) "14"))
(should (equal (time-stamp-string "%02M" ref-time) "04"))
(should (equal (time-stamp-string "%02M" ref-time2) "14"))
;; documented 1997-2019
(should (equal (time-stamp-string "%:M" ref-time) "4"))
(should (equal (time-stamp-string "%:M" ref-time2) "14"))
;; implemented since 1997, documented since 2019
(should (equal (time-stamp-string "%1M" ref-time) "4"))
(should (equal (time-stamp-string "%1M" ref-time2) "14"))
;; allowed but undocumented since 2019 (warned 1997-2019)
(should (equal (time-stamp-string "%-M" ref-time) "4"))
(should (equal (time-stamp-string "%-M" ref-time2) "14"))
;; warned 1997-2019, changed in 2019
(should (equal (time-stamp-string "%_M" ref-time) " 4"))
(should (equal (time-stamp-string "%_M" ref-time2) "14"))
(should (equal (time-stamp-string "%M" ref-time) "04"))
(should (equal (time-stamp-string "%M" ref-time2) "14"))))
(ert-deftest time-stamp-test-second ()
"Test time-stamp formats for second."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%2S" ref-time) " 5"))
(should (equal (time-stamp-string "%2S" ref-time2) "15"))
(should (equal (time-stamp-string "%02S" ref-time) "05"))
(should (equal (time-stamp-string "%02S" ref-time2) "15"))
;; documented 1997-2019
(should (equal (time-stamp-string "%:S" ref-time) "5"))
(should (equal (time-stamp-string "%:S" ref-time2) "15"))
;; implemented since 1997, documented since 2019
(should (equal (time-stamp-string "%1S" ref-time) "5"))
(should (equal (time-stamp-string "%1S" ref-time2) "15"))
;; allowed but undocumented since 2019 (warned 1997-2019)
(should (equal (time-stamp-string "%-S" ref-time) "5"))
(should (equal (time-stamp-string "%-S" ref-time2) "15"))
;; warned 1997-2019, changed in 2019
(should (equal (time-stamp-string "%_S" ref-time) " 5"))
(should (equal (time-stamp-string "%_S" ref-time2) "15"))
(should (equal (time-stamp-string "%S" ref-time) "05"))
(should (equal (time-stamp-string "%S" ref-time2) "15"))))
(ert-deftest time-stamp-test-year-2digit ()
"Test time-stamp formats for %y."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%02y" ref-time) "06"))
(should (equal (time-stamp-string "%02y" ref-time2) "16"))
;; documented 1997-2019
(should (equal (time-stamp-string "%:y" ref-time) "2006"))
(should (equal (time-stamp-string "%:y" ref-time2) "2016"))
;; warned 1997-2019, changed in 2019
;; (We don't expect the %-y or %_y form to be useful,
;; but we test both so that we can confidently state that
;; `-' and `_' affect all 2-digit conversions identically.)
(should (equal (time-stamp-string "%-y" ref-time) "6"))
(should (equal (time-stamp-string "%-y" ref-time2) "16"))
(should (equal (time-stamp-string "%_y" ref-time) " 6"))
(should (equal (time-stamp-string "%_y" ref-time2) "16"))
(should (equal (time-stamp-string "%y" ref-time) "06"))
(should (equal (time-stamp-string "%y" ref-time2) "16"))
;; implemented since 1995, warned since 2019, will change
(time-stamp-should-warn (equal (time-stamp-string "%04y" ref-time) "2006"))
(time-stamp-should-warn (equal (time-stamp-string "%4y" ref-time) "2006"))))
(ert-deftest time-stamp-test-year-4digit ()
"Test time-stamp format %Y."
(with-time-stamp-test-env
;; implemented since 1997, documented since 2019
(should (equal (time-stamp-string "%Y" ref-time) "2006"))))
(ert-deftest time-stamp-test-am-pm ()
"Test time-stamp formats for AM and PM strings."
(with-time-stamp-test-env
;; implemented and documented since 1997
(should (equal (time-stamp-string "%#p" ref-time) "pm"))
(should (equal (time-stamp-string "%#p" ref-time3) "am"))
(should (equal (time-stamp-string "%P" ref-time) "PM"))
(should (equal (time-stamp-string "%P" ref-time3) "AM"))
;; warned 1997-2019, changed in 2019
(should (equal (time-stamp-string "%p" ref-time) "PM"))
(should (equal (time-stamp-string "%p" ref-time3) "AM"))))
(ert-deftest time-stamp-test-day-number-in-week ()
"Test time-stamp formats for day number in week."
(with-time-stamp-test-env
(should (equal (time-stamp-string "%w" ref-time) "1"))
(should (equal (time-stamp-string "%w" ref-time2) "5"))
(should (equal (time-stamp-string "%w" ref-time3) "0"))))
(ert-deftest time-stamp-test-time-zone ()
"Test time-stamp formats for time zone."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%Z" ref-time) "GMT"))
;; documented 1995-2019
(should (equal (time-stamp-string "%z" ref-time) "gmt"))
;; implemented since 1997, documented since 2019
(should (equal (time-stamp-string "%#Z" ref-time) "gmt"))))
(ert-deftest time-stamp-test-non-date-conversions ()
"Test time-stamp formats for non-date items."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%%" ref-time) "%")) ;% last char
(should (equal (time-stamp-string "%%P" ref-time) "%P")) ;% not last char
(should (equal (time-stamp-string "%f" ref-time) "time-stamped-file"))
(should (equal
(time-stamp-string "%F" ref-time) "/emacs/test/time-stamped-file"))
(should (equal (time-stamp-string "%h" ref-time) "test-mail-host-name"))
;; documented 1995-2019
(should (equal
(time-stamp-string "%s" ref-time) "test-system-name.example.org"))
(should (equal (time-stamp-string "%U" ref-time) "Time Stamp Tester"))
(should (equal (time-stamp-string "%u" ref-time) "test-logname"))
;; implemented since 2001, documented since 2019
(should (equal (time-stamp-string "%L" ref-time) "Time Stamp Tester"))
(should (equal (time-stamp-string "%l" ref-time) "test-logname"))
;; implemented since 2007, documented since 2019
(should (equal
(time-stamp-string "%Q" ref-time) "test-system-name.example.org"))
(should (equal
(time-stamp-string "%q" ref-time) "test-system-name"))))
(ert-deftest time-stamp-test-ignored-modifiers ()
"Test additional args allowed (but ignored) to allow for future expansion."
(with-time-stamp-test-env
;; allowed modifiers
(should (equal (time-stamp-string "%.,@-+_ ^(stuff)P" ref-time3) "AM"))
;; not all punctuation is allowed
(should-not (equal (time-stamp-string "%&P" ref-time3) "AM"))))
(ert-deftest time-stamp-test-non-conversions ()
"Test that without a %, the text is copied literally."
(with-time-stamp-test-env
(should (equal (time-stamp-string "No percent" ref-time) "No percent"))))
(ert-deftest time-stamp-test-string-width ()
"Test time-stamp string width modifiers."
(with-time-stamp-test-env
;; strings truncate on the right or are blank-padded on the left
(should (equal (time-stamp-string "%0P" ref-time3) ""))
(should (equal (time-stamp-string "%1P" ref-time3) "A"))
(should (equal (time-stamp-string "%2P" ref-time3) "AM"))
(should (equal (time-stamp-string "%3P" ref-time3) " AM"))
(should (equal (time-stamp-string "%0%" ref-time3) ""))
(should (equal (time-stamp-string "%1%" ref-time3) "%"))
(should (equal (time-stamp-string "%2%" ref-time3) " %"))
(should (equal (time-stamp-string "%#3a" ref-time3) "SUN"))
(should (equal (time-stamp-string "%#3b" ref-time2) "NOV"))))
;;; time-stamp-tests.el ends here
|