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When relative dates are more than about a year ago, we start writing them as "Y years, M months". At the point where we calculate Y and M, we have the time delta specified as a number of days. We calculate these integers as: Y = days / 365 M = (days % 365 + 15) / 30 This rounds days in the latter half of a month up to the nearest month, so that day 16 is "1 month" (or day 381 is "1 year, 1 month"). We don't round the year at all, though, meaning we can end up with "1 year, 12 months", which is silly; it should just be "2 years". Implement this differently with months of size onemonth = 365/12 so that totalmonths = (long)( (days + onemonth/2)/onemonth ) years = totalmonths / 12 months = totalmonths % 12 In order to do this without floats, we write the first formula as totalmonths = (days*12*2 + 365) / (365*2) Tests and inspiration by Jeff King. Helped-by: Jeff King <peff@peff.net> Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
80 lines
2.5 KiB
Bash
Executable File
80 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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test_description='test date parsing and printing'
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. ./test-lib.sh
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# arbitrary reference time: 2009-08-30 19:20:00
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TEST_DATE_NOW=1251660000; export TEST_DATE_NOW
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check_show() {
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t=$(($TEST_DATE_NOW - $1))
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echo "$t -> $2" >expect
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test_expect_${3:-success} "relative date ($2)" "
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test-date show $t >actual &&
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test_cmp expect actual
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"
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}
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check_show 5 '5 seconds ago'
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check_show 300 '5 minutes ago'
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check_show 18000 '5 hours ago'
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check_show 432000 '5 days ago'
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check_show 1728000 '3 weeks ago'
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check_show 13000000 '5 months ago'
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check_show 37500000 '1 year, 2 months ago'
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check_show 55188000 '1 year, 9 months ago'
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check_show 630000000 '20 years ago'
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check_show 31449600 '12 months ago'
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check_show 62985600 '2 years ago'
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check_parse() {
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echo "$1 -> $2" >expect
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test_expect_${4:-success} "parse date ($1${3:+ TZ=$3})" "
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TZ=${3:-$TZ} test-date parse '$1' >actual &&
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test_cmp expect actual
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"
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}
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check_parse 2008 bad
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check_parse 2008-02 bad
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check_parse 2008-02-14 bad
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check_parse '2008-02-14 20:30:45' '2008-02-14 20:30:45 +0000'
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check_parse '2008-02-14 20:30:45 -0500' '2008-02-14 20:30:45 -0500'
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check_parse '2008-02-14 20:30:45' '2008-02-14 20:30:45 -0500' EST5
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check_approxidate() {
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echo "$1 -> $2 +0000" >expect
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test_expect_${3:-success} "parse approxidate ($1)" "
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test-date approxidate '$1' >actual &&
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test_cmp expect actual
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"
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}
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check_approxidate now '2009-08-30 19:20:00'
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check_approxidate '5 seconds ago' '2009-08-30 19:19:55'
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check_approxidate 5.seconds.ago '2009-08-30 19:19:55'
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check_approxidate 10.minutes.ago '2009-08-30 19:10:00'
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check_approxidate yesterday '2009-08-29 19:20:00'
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check_approxidate 3.days.ago '2009-08-27 19:20:00'
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check_approxidate 3.weeks.ago '2009-08-09 19:20:00'
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check_approxidate 3.months.ago '2009-05-30 19:20:00'
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check_approxidate 2.years.3.months.ago '2007-05-30 19:20:00'
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check_approxidate '6am yesterday' '2009-08-29 06:00:00'
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check_approxidate '6pm yesterday' '2009-08-29 18:00:00'
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check_approxidate '3:00' '2009-08-30 03:00:00'
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check_approxidate '15:00' '2009-08-30 15:00:00'
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check_approxidate 'noon today' '2009-08-30 12:00:00'
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check_approxidate 'noon yesterday' '2009-08-29 12:00:00'
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check_approxidate 'last tuesday' '2009-08-25 19:20:00'
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check_approxidate 'July 5th' '2009-07-05 19:20:00'
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check_approxidate '06/05/2009' '2009-06-05 19:20:00'
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check_approxidate '06.05.2009' '2009-05-06 19:20:00'
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check_approxidate 'Jun 6, 5AM' '2009-06-06 05:00:00'
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check_approxidate '5AM Jun 6' '2009-06-06 05:00:00'
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check_approxidate '6AM, June 7, 2009' '2009-06-07 06:00:00'
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test_done
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