git/t/t0006-date.sh

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#!/bin/sh
test_description='test date parsing and printing'
. ./test-lib.sh
# arbitrary reference time: 2009-08-30 19:20:00
TEST_DATE_NOW=1251660000; export TEST_DATE_NOW
check_relative() {
t=$(($TEST_DATE_NOW - $1))
echo "$t -> $2" >expect
test_expect_${3:-success} "relative date ($2)" "
test-tool date relative $t >actual &&
test_i18ncmp expect actual
"
}
check_relative 5 '5 seconds ago'
check_relative 300 '5 minutes ago'
check_relative 18000 '5 hours ago'
check_relative 432000 '5 days ago'
check_relative 1728000 '3 weeks ago'
check_relative 13000000 '5 months ago'
check_relative 37500000 '1 year, 2 months ago'
check_relative 55188000 '1 year, 9 months ago'
check_relative 630000000 '20 years ago'
check_relative 31449600 '12 months ago'
check_relative 62985600 '2 years ago'
check_show () {
format=$1
time=$2
expect=$3
prereqs=$4
zone=$5
test_expect_success $prereqs "show date ($format:$time)" '
echo "$time -> $expect" >expect &&
TZ=${zone:-$TZ} test-tool date show:"$format" "$time" >actual &&
test_cmp expect actual
'
}
# arbitrary but sensible time for examples
TIME='1466000000 +0200'
check_show iso8601 "$TIME" '2016-06-15 16:13:20 +0200'
check_show iso8601-strict "$TIME" '2016-06-15T16:13:20+02:00'
check_show rfc2822 "$TIME" 'Wed, 15 Jun 2016 16:13:20 +0200'
check_show short "$TIME" '2016-06-15'
check_show default "$TIME" 'Wed Jun 15 16:13:20 2016 +0200'
check_show raw "$TIME" '1466000000 +0200'
check_show unix "$TIME" '1466000000'
check_show iso-local "$TIME" '2016-06-15 14:13:20 +0000'
check_show raw-local "$TIME" '1466000000 +0000'
check_show unix-local "$TIME" '1466000000'
check_show 'format:%z' "$TIME" '+0200'
check_show 'format-local:%z' "$TIME" '+0000'
check_show 'format:%Z' "$TIME" ''
date: use localtime() for "-local" time formats When we convert seconds-since-epochs timestamps into a broken-down "struct tm", we do so by adjusting the timestamp according to the known offset and then using gmtime() to break down the result. This means that the resulting struct "knows" that it's in GMT, even though the time it represents is adjusted for a different zone. The fields where it stores this data are not portably accessible, so we have no way to override them to tell them the real zone info. For the most part, this works. Our date-formatting routines don't pay attention to these inaccessible fields, and use the same tz info we provided for adjustment. The one exception is when we call strftime(), whose %Z format reveals this hidden timezone data. We solved that by always showing the empty string for %Z. This is allowed by POSIX, but not very helpful to the user. We can't make this work in the general case, as there's no portable function for setting an arbitrary timezone (and anyway, we don't have the zone name for the author zones, only their offsets). But for the special case of the "-local" formats, we can just skip the adjustment and use localtime() instead of gmtime(). This makes --date=format-local:%Z work correctly, showing the local timezone instead of an empty string. The new test checks the result for "UTC", our default test-lib value for $TZ. Using something like EST5 might be more interesting, but the actual zone string is system-dependent (for instance, on my system it expands to just EST). Hopefully "UTC" is vanilla enough that every system treats it the same. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-15 13:52:17 +00:00
check_show 'format-local:%Z' "$TIME" 'UTC'
check_show 'format:%%z' "$TIME" '%z'
check_show 'format-local:%%z' "$TIME" '%z'
check_show 'format:%Y-%m-%d %H:%M:%S' "$TIME" '2016-06-15 16:13:20'
check_show 'format-local:%Y-%m-%d %H:%M:%S' "$TIME" '2016-06-15 09:13:20' '' EST5
# arbitrary time absurdly far in the future
FUTURE="5758122296 -0400"
check_show iso "$FUTURE" "2152-06-19 18:24:56 -0400" TIME_IS_64BIT,TIME_T_IS_64BIT
check_show iso-local "$FUTURE" "2152-06-19 22:24:56 +0000" TIME_IS_64BIT,TIME_T_IS_64BIT
check_parse() {
echo "$1 -> $2" >expect
test_expect_${4:-success} "parse date ($1${3:+ TZ=$3})" "
TZ=${3:-$TZ} test-tool date parse '$1' >actual &&
test_cmp expect actual
"
}
check_parse 2008 bad
check_parse 2008-02 bad
check_parse 2008-02-14 bad
check_parse '2008-02-14 20:30:45' '2008-02-14 20:30:45 +0000'
check_parse '2008-02-14 20:30:45 -0500' '2008-02-14 20:30:45 -0500'
check_parse '2008-02-14 20:30:45 -0015' '2008-02-14 20:30:45 -0015'
check_parse '2008-02-14 20:30:45 -5' '2008-02-14 20:30:45 +0000'
check_parse '2008-02-14 20:30:45 -5:' '2008-02-14 20:30:45 +0000'
check_parse '2008-02-14 20:30:45 -05' '2008-02-14 20:30:45 -0500'
check_parse '2008-02-14 20:30:45 -:30' '2008-02-14 20:30:45 +0000'
check_parse '2008-02-14 20:30:45 -05:00' '2008-02-14 20:30:45 -0500'
check_parse '2008-02-14 20:30:45' '2008-02-14 20:30:45 -0500' EST5
check_approxidate() {
echo "$1 -> $2 +0000" >expect
test_expect_${3:-success} "parse approxidate ($1)" "
test-tool date approxidate '$1' >actual &&
test_cmp expect actual
"
}
check_approxidate now '2009-08-30 19:20:00'
check_approxidate '5 seconds ago' '2009-08-30 19:19:55'
check_approxidate 5.seconds.ago '2009-08-30 19:19:55'
check_approxidate 10.minutes.ago '2009-08-30 19:10:00'
check_approxidate yesterday '2009-08-29 19:20:00'
check_approxidate 3.days.ago '2009-08-27 19:20:00'
check_approxidate 3.weeks.ago '2009-08-09 19:20:00'
check_approxidate 3.months.ago '2009-05-30 19:20:00'
check_approxidate 2.years.3.months.ago '2007-05-30 19:20:00'
check_approxidate '6am yesterday' '2009-08-29 06:00:00'
check_approxidate '6pm yesterday' '2009-08-29 18:00:00'
check_approxidate '3:00' '2009-08-30 03:00:00'
check_approxidate '15:00' '2009-08-30 15:00:00'
check_approxidate 'noon today' '2009-08-30 12:00:00'
check_approxidate 'noon yesterday' '2009-08-29 12:00:00'
check_approxidate 'last tuesday' '2009-08-25 19:20:00'
check_approxidate 'July 5th' '2009-07-05 19:20:00'
check_approxidate '06/05/2009' '2009-06-05 19:20:00'
check_approxidate '06.05.2009' '2009-05-06 19:20:00'
check_approxidate 'Jun 6, 5AM' '2009-06-06 05:00:00'
check_approxidate '5AM Jun 6' '2009-06-06 05:00:00'
check_approxidate '6AM, June 7, 2009' '2009-06-07 06:00:00'
approxidate: allow ISO-like dates far in the future When we are parsing approxidate strings and we find three numbers separate by one of ":/-.", we guess that it may be a date. We feed the numbers to match_multi_number, which checks whether it makes sense as a date in various orderings (e.g., dd/mm/yy or mm/dd/yy, etc). One of the checks we do is to see whether it is a date more than 10 days in the future. This was added in 38035cf (date parsing: be friendlier to our European friends., 2006-04-05), and lets us guess that if it is currently April 2014, then "10/03/2014" is probably March 10th, not October 3rd. This has a downside, though; if you want to be overly generous with your "--until" date specification, we may wrongly parse "2014-12-01" as "2014-01-12" (because the latter is an in-the-past date). If the year is a future year (i.e., both are future dates), it gets even weirder. Due to the vagaries of approxidate, months _after_ the current date (no matter the year) get flipped, but ones before do not. This patch drops the "in the future" check for dates of this form, letting us treat them always as yyyy-mm-dd, even if they are in the future. This does not affect the normal dd/mm/yyyy versus mm/dd/yyyy lookup, because this code path only kicks in when the first number is greater than 70 (i.e., it must be a year, and cannot be either a date or a month). The one possible casualty is that "yyyy-dd-mm" is less likely to be chosen over "yyyy-mm-dd". That's probably OK, though because: 1. The difference happens only when the date is in the future. Already we prefer yyyy-mm-dd for dates in the past. 2. It's unclear whether anybody even uses yyyy-dd-mm regularly. It does not appear in lists of common date formats in Wikipedia[1,2]. 3. Even if (2) is wrong, it is better to prefer ISO-like dates, as that is consistent with what we use elsewhere in git. [1] http://en.wikipedia.org/wiki/Date_and_time_representation_by_country [2] http://en.wikipedia.org/wiki/Calendar_date Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-13 21:43:31 +00:00
check_approxidate '2008-12-01' '2008-12-01 19:20:00'
check_approxidate '2009-12-01' '2009-12-01 19:20:00'
test_done