Add dst formatting tests (#6468)
* Rename ttime.nim => ttimes.nim * Add formating tests for DST, closes #3199 * Make appveyor green * Remove broken test
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GULPF
Andreas Rumpf
parent
edefe4db21
commit
8bd9c7a4e6
1 changed files with 19 additions and 11 deletions
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# test the new time module
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discard """
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file: "ttime.nim"
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"""
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import
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times, strutils
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# $ date --date='@2147483647'
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# Tue 19 Jan 03:14:07 GMT 2038
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proc checkFormat(t: TimeInfo, format, expected: string) =
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let actual = t.format(format)
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if actual != expected:
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echo "Formatting failure!"
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echo "expected: ", expected
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echo "actual : ", actual
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doAssert false
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let t = getGMTime(fromSeconds(2147483647))
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t.checkFormat("ddd dd MMM hh:mm:ss yyyy", "Tue 19 Jan 03:14:07 2038")
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t.checkFormat("ddd ddMMMhh:mm:ssyyyy", "Tue 19Jan03:14:072038")
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t.checkFormat("d dd ddd dddd h hh H HH m mm M MM MMM MMMM s" &
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" ss t tt y yy yyy yyyy yyyyy z zz zzz",
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"19 19 Tue Tuesday 3 03 3 03 14 14 1 01 Jan January 7 07 A AM 8 38 038 2038 02038 +0 +00 +00:00")
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t.checkFormat("yyyyMMddhhmmss", "20380119031407")
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let t2 = getGMTime(fromSeconds(160070789)) # Mon 27 Jan 16:06:29 GMT 1975
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t2.checkFormat("d dd ddd dddd h hh H HH m mm M MM MMM MMMM s" &
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" ss t tt y yy yyy yyyy yyyyy z zz zzz",
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"27 27 Mon Monday 4 04 16 16 6 06 1 01 Jan January 29 29 P PM 5 75 975 1975 01975 +0 +00 +00:00")
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when not defined(JS):
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when sizeof(Time) == 8:
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var t3 = getGMTime(fromSeconds(889067643645)) # Fri 7 Jun 19:20:45 BST 30143
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t3.checkFormat("d dd ddd dddd h hh H HH m mm M MM MMM MMMM s" &
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" ss t tt y yy yyy yyyy yyyyy z zz zzz",
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"7 07 Fri Friday 6 06 18 18 20 20 6 06 Jun June 45 45 P PM 3 43 143 0143 30143 +0 +00 +00:00")
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t3.checkFormat(":,[]()-/", ":,[]()-/")
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var t4 = getGMTime(fromSeconds(876124714)) # Mon 6 Oct 08:58:34 BST 1997
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t4.checkFormat("M MM MMM MMMM", "10 10 Oct October")
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# Interval tests
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(t4 - initInterval(years = 2)).checkFormat("yyyy", "1995")
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(t4 - initInterval(years = 7, minutes = 34, seconds = 24)).checkFormat("yyyy mm ss", "1990 24 10")
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proc parseTest(s, f, sExpected: string, ydExpected: int) =
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let
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parsed = s.parse(f)
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parsedStr = $getGMTime(toTime(parsed))
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if parsedStr != sExpected:
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echo "Parsing failure!"
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echo "expected: ", sExpected
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echo "actual : ", parsedStr
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doAssert false
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doAssert(parsed.yearday == ydExpected)
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proc parseTestTimeOnly(s, f, sExpected: string) =
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doAssert(sExpected in $s.parse(f))
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# because setting a specific timezone for testing is platform-specific, we use
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# explicit timezone offsets in all tests.
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parseTest("Tuesday at 09:04am on Dec 15, 2015 +0",
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"dddd at hh:mmtt on MMM d, yyyy z", "2015-12-15T09:04:00+00:00", 348)
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# ANSIC = "Mon Jan _2 15:04:05 2006"
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parseTest("Thu Jan 12 15:04:05 2006 +0", "ddd MMM dd HH:mm:ss yyyy z",
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"2006-01-12T15:04:05+00:00", 11)
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# UnixDate = "Mon Jan _2 15:04:05 MST 2006"
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parseTest("Thu Jan 12 15:04:05 2006 +0", "ddd MMM dd HH:mm:ss yyyy z",
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"2006-01-12T15:04:05+00:00", 11)
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# RubyDate = "Mon Jan 02 15:04:05 -0700 2006"
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parseTest("Mon Feb 29 15:04:05 -07:00 2016 +0", "ddd MMM dd HH:mm:ss zzz yyyy z",
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"2016-02-29T15:04:05+00:00", 59) # leap day
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# RFC822 = "02 Jan 06 15:04 MST"
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parseTest("12 Jan 16 15:04 +0", "dd MMM yy HH:mm z",
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"2016-01-12T15:04:00+00:00", 11)
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# RFC822Z = "02 Jan 06 15:04 -0700" # RFC822 with numeric zone
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parseTest("01 Mar 16 15:04 -07:00", "dd MMM yy HH:mm zzz",
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"2016-03-01T22:04:00+00:00", 60) # day after february in leap year
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# RFC850 = "Monday, 02-Jan-06 15:04:05 MST"
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parseTest("Monday, 12-Jan-06 15:04:05 +0", "dddd, dd-MMM-yy HH:mm:ss z",
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"2006-01-12T15:04:05+00:00", 11)
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# RFC1123 = "Mon, 02 Jan 2006 15:04:05 MST"
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parseTest("Sun, 01 Mar 2015 15:04:05 +0", "ddd, dd MMM yyyy HH:mm:ss z",
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"2015-03-01T15:04:05+00:00", 59) # day after february in non-leap year
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# RFC1123Z = "Mon, 02 Jan 2006 15:04:05 -0700" # RFC1123 with numeric zone
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parseTest("Thu, 12 Jan 2006 15:04:05 -07:00", "ddd, dd MMM yyyy HH:mm:ss zzz",
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"2006-01-12T22:04:05+00:00", 11)
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# RFC3339 = "2006-01-02T15:04:05Z07:00"
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parseTest("2006-01-12T15:04:05Z-07:00", "yyyy-MM-ddTHH:mm:ssZzzz",
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"2006-01-12T22:04:05+00:00", 11)
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parseTest("2006-01-12T15:04:05Z-07:00", "yyyy-MM-dd'T'HH:mm:ss'Z'zzz",
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"2006-01-12T22:04:05+00:00", 11)
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# RFC3339Nano = "2006-01-02T15:04:05.999999999Z07:00"
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parseTest("2006-01-12T15:04:05.999999999Z-07:00",
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"yyyy-MM-ddTHH:mm:ss.999999999Zzzz", "2006-01-12T22:04:05+00:00", 11)
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for tzFormat in ["z", "zz", "zzz"]:
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# formatting timezone as 'Z' for UTC
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parseTest("2001-01-12T22:04:05Z", "yyyy-MM-dd'T'HH:mm:ss" & tzFormat,
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"2001-01-12T22:04:05+00:00", 11)
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# Kitchen = "3:04PM"
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parseTestTimeOnly("3:04PM", "h:mmtt", "15:04:00")
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#when not defined(testing):
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# echo "Kitchen: " & $s.parse(f)
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# var ti = timeToTimeInfo(getTime())
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# echo "Todays date after decoding: ", ti
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# var tint = timeToTimeInterval(getTime())
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# echo "Todays date after decoding to interval: ", tint
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# checking dayOfWeek matches known days
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doAssert getDayOfWeek(21, 9, 1900) == dFri
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doAssert getDayOfWeek(1, 1, 1970) == dThu
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doAssert getDayOfWeek(21, 9, 1970) == dMon
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doAssert getDayOfWeek(1, 1, 2000) == dSat
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doAssert getDayOfWeek(1, 1, 2021) == dFri
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# Julian tests
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doAssert getDayOfWeekJulian(21, 9, 1900) == dFri
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doAssert getDayOfWeekJulian(21, 9, 1970) == dMon
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doAssert getDayOfWeekJulian(1, 1, 2000) == dSat
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doAssert getDayOfWeekJulian(1, 1, 2021) == dFri
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# toSeconds tests with GM timezone
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let t4L = getGMTime(fromSeconds(876124714))
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doAssert toSeconds(toTime(t4L)) == 876124714
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doAssert toSeconds(toTime(t4L)) + t4L.timezone.float == toSeconds(toTime(t4))
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# adding intervals
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var
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a1L = toSeconds(toTime(t4L + initInterval(hours = 1))) + t4L.timezone.float
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a1G = toSeconds(toTime(t4)) + 60.0 * 60.0
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doAssert a1L == a1G
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# subtracting intervals
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a1L = toSeconds(toTime(t4L - initInterval(hours = 1))) + t4L.timezone.float
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a1G = toSeconds(toTime(t4)) - (60.0 * 60.0)
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doAssert a1L == a1G
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# add/subtract TimeIntervals and Time/TimeInfo
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doAssert getTime() - 1.seconds == getTime() - 3.seconds + 2.seconds
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doAssert getTime() + 65.seconds == getTime() + 1.minutes + 5.seconds
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doAssert getTime() + 60.minutes == getTime() + 1.hours
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doAssert getTime() + 24.hours == getTime() + 1.days
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doAssert getTime() + 13.months == getTime() + 1.years + 1.months
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var
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ti1 = getTime() + 1.years
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ti1 -= 1.years
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doAssert ti1 == getTime()
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ti1 += 1.days
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doAssert ti1 == getTime() + 1.days
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# overflow of TimeIntervals on initalisation
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doAssert initInterval(milliseconds = 25000) == initInterval(seconds = 25)
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doAssert initInterval(seconds = 65) == initInterval(seconds = 5, minutes = 1)
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doAssert initInterval(hours = 25) == initInterval(hours = 1, days = 1)
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doAssert initInterval(months = 13) == initInterval(months = 1, years = 1)
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# Bug with adding a day to a Time
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let day = 24.hours
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let tomorrow = getTime() + day
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doAssert tomorrow - getTime() == 60*60*24
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doAssert milliseconds(1000 * 60) == minutes(1)
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doAssert milliseconds(1000 * 60 * 60) == hours(1)
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doAssert milliseconds(1000 * 60 * 60 * 24) == days(1)
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doAssert seconds(60 * 60) == hours(1)
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doAssert seconds(60 * 60 * 24) == days(1)
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doAssert seconds(60 * 60 + 65) == (hours(1) + minutes(1) + seconds(5))
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# Bug with parse not setting DST properly if the current local DST differs from
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# the date being parsed. Need to test parse dates both in and out of DST. We
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# are testing that be relying on the fact that tranforming a TimeInfo to a Time
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# and back again will correctly set the DST value. With the incorrect parse
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# behavior this will introduce a one hour offset from the named time and the
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# parsed time if the DST value differs between the current time and the date we
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# are parsing.
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#
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# Unfortunately these tests depend on the locale of the system in which they
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# are run. They will not be meaningful when run in a locale without DST. They
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# also assume that Jan. 1 and Jun. 1 will have differing isDST values.
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let dstT1 = parse("2016-01-01 00:00:00", "yyyy-MM-dd HH:mm:ss")
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let dstT2 = parse("2016-06-01 00:00:00", "yyyy-MM-dd HH:mm:ss")
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doAssert dstT1 == getLocalTime(toTime(dstT1))
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doAssert dstT2 == getLocalTime(toTime(dstT2))
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# Comparison between Time objects should be detected by compiler
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# as 'noSideEffect'.
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proc cmpTimeNoSideEffect(t1: Time, t2: Time): bool {.noSideEffect.} =
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result = t1 == t2
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doAssert cmpTimeNoSideEffect(0.fromSeconds, 0.fromSeconds)
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# Additionally `==` generic for seq[T] has explicit 'noSideEffect' pragma
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# so we can check above condition by comparing seq[Time] sequences
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let seqA: seq[Time] = @[]
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let seqB: seq[Time] = @[]
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doAssert seqA == seqB
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for tz in [
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(0, "+0", "+00", "+00:00"), # UTC
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(-3600, "+1", "+01", "+01:00"), # CET
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(-39600, "+11", "+11", "+11:00"), # two digits
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(-1800, "+0", "+00", "+00:30"), # half an hour
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(7200, "-2", "-02", "-02:00"), # positive
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(38700, "-10", "-10", "-10:45")]: # positive with three quaters hour
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let ti = TimeInfo(monthday: 1, timezone: tz[0])
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doAssert ti.format("z") == tz[1]
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doAssert ti.format("zz") == tz[2]
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doAssert ti.format("zzz") == tz[3]
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block dstTest:
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let nonDst = TimeInfo(year: 2015, month: mJan, monthday: 01, yearday: 0,
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weekday: dThu, hour: 00, minute: 00, second: 00, isDST: false, timezone: 0)
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var dst = nonDst
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dst.isDst = true
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# note that both isDST == true and isDST == false are valid here because
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# DST is in effect on January 1st in some southern parts of Australia.
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doAssert nonDst.toTime() - dst.toTime() == 3600
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doAssert nonDst.format("z") == "+0"
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doAssert dst.format("z") == "+1"
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# parsing will set isDST in relation to the local time. We take a date in
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# January and one in July to maximize the probability to hit one date with DST
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# and one without on the local machine. However, this is not guaranteed.
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let
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parsedJan = parse("2016-01-05 04:00:00+01:00", "yyyy-MM-dd HH:mm:sszzz")
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parsedJul = parse("2016-07-01 04:00:00+01:00", "yyyy-MM-dd HH:mm:sszzz")
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doAssert toTime(parsedJan) == fromSeconds(1451962800)
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doAssert toTime(parsedJul) == fromSeconds(1467342000)
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