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b8147d8e6bff84de505f331c81191744d316c927
lua-date/spec/date_spec.lua
Thijs Schreijer b8147d8e6b chore(*) update linter, add makefile
2023-09-06 17:34:24 +02:00

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local date = require("date")
describe("Testing the 'date' module", function()
it("Tests date parsing", function()
assert( date("Jul 27 2006 03:56:28 +2:00") == date(2006,07,27,1,56,28))
assert(date("Jul 27 2006 -75 ") == date(2006,07,27,1,15,0))
assert(date("Jul 27 2006 -115") == date(2006,07,27,1,15,0))
assert(date("Jul 27 2006 +10 ") == date(2006,07,26,14,0,0))
assert(date("Jul 27 2006 +2 ") == date(2006,07,26,22,0,0))
-- Standard timezone GMT, UTC, EST, EDT, CST, CDT, MST, MDT, PST, PDT are supported.
assert(date("Jul 27 2006 GMT") == date(2006,07,27,0,0,0))
assert(date("Jul 27 2006 UTC") == date(2006,07,27,0,0,0))
assert(date("Jul 27 2006 EST") == date(2006,07,27,5,0,0))
assert(date("Jul 27 2006 EDT") == date(2006,07,27,4,0,0))
assert(date("Jul 27 2006 CST") == date(2006,07,27,6,0,0))
assert(date("Jul 27 2006 CDT") == date(2006,07,27,5,0,0))
assert(date("Jul 27 2006 MST") == date(2006,07,27,7,0,0))
assert(date("Jul 27 2006 MDT") == date(2006,07,27,6,0,0))
assert(date("Jul 27 2006 PST") == date(2006,07,27,8,0,0))
assert(date("Jul 27 2006 PDT") == date(2006,07,27,7,0,0))
-- Date Format. Short dates can use either a "/" or "-" date separator, but must
-- follow the month/day/year format.
assert(date("02-03-04")==date(1904,02,03))
assert(date("12/25/98")==date(1998,12,25))
-- Long dates of the form "July 10 1995" can be given with the year, month, and day
-- in any order, and the year in 2-digit or 4-digit form. If you use the 2-digit
-- form, the year must be greater than or equal to 70.
assert(date("Feb-03-04")==date(1904,02,03))
assert(date("December 25 1998")==date(1998,12,25))
-- Follow the year with BC or BCE to indicate that the year is before common era.
assert(date("Feb 3 0003 BC")==date(-2,02,03))
assert(date("December 25 0001 BC")==date(0,12,25))
-- Supported ISO 8601 Formats
-- YYYY-MM-DD, where YYYY is the year, MM is the month of the year, and DD is the
-- day of the month
assert(date("2000-12-31")==date(2000,12,31))
assert(date(" 20001231 ")==date(2000,12,31)) -- "basic format" (compact)
-- YYYY-DDD, where YYYY is the year, DDD is the day of the year
assert(date("1995-035")==date(1995,02,04))
assert(date("1995035 ")==date(1995,02,04)) -- "basic format" (compact)
-- YYYY-WDD-D, where YYYY is the year, DD is the week of the year, D is the day of
-- the week
assert(date("1997-W01-1")==date(1996,12,30))
assert(date(" 1997W017")==date(1997,01,05)) -- "basic format" (compact)
-- DATE HH:MM:SS.SSS, where DATE is the date format discussed above, HH is the hour,
-- MM is the minute, SS.SSS is the seconds (fraction is optional)
-- These are not ISO 8601 conformant: Space between date and time is no longer
-- allowed (though is in RFC 3339).
assert(date("1995-02-04 24:00:51.536")==date(1995,2,5,0,0,51.536))
assert(date("1995-02-04 24:00:51,536")==date(1995,2,5,0,0,51.536))
assert(date("1976-W01-1 12:12:12.123")==date(1975,12,29,12,12,12.123))
assert(date("1995-035 23:59:59.99999")==date(1995,02,04,23,59,59.99999))
-- "basic format" (compact), date and time separated by the Latin capital T
assert(date(" 19950205T000051.536 ")==date(1995,2,5,0,0,51.536))
assert(date(" 19950205T000051,536 ")==date(1995,2,5,0,0,51.536))
assert(date(" 1976W011T121212.123 ")==date(1975,12,29,12,12,12.123))
assert(date(" 1995035T235959.99999 ")==date(1995,02,04,23,59,59.99999)) -- not ISO 8601 conformant day spec
-- "extended format" (human readable), date and time separated by the Latin
-- capital T
assert(date("1995-02-05T00:00:51.536")==date(1995,2,5,0,0,51.536))
assert(date("1995-02-05T00:00:51,536")==date(1995,2,5,0,0,51.536))
assert(date("1976-W01-1T12:12:12.123")==date(1975,12,29,12,12,12.123))
assert(date("1995-035T23:59:59.99999")==date(1995,02,04,23,59,59.99999)) -- not ISO 8601 conformant day spec
-- DATE TIME +HH:MM, DATE TIME -HHMM, DATE TIME Z, where DATE and TIME is the date
-- and time format discussed above
-- First character is a sign "+" (east of UTC) or "-" (west of UTC). HH and MM are
-- hours and minutes offset. The Z stands for the zero offset.
assert(date("1976-W01-1 12:00Z ")==date(1975,12,29,12))
assert(date("1976-W01-1 13:00+01:00")==date(1975,12,29,12))
assert(date("1976-W01-1 0700-0500 ")==date(1975,12,29,12))
local a = date(2006, 8, 13) assert(a == date("Sun Aug 13 2006"))
local b = date("Jun 13 1999") assert(b == date(1999, 6, 13))
local c = date(1234483200) assert(c == date("Feb 13 2009"))
local d = date({year=2009, month=11, day=13, min=6})
assert(d == date("Nov 13 2009 00:06:00"))
local e = date() assert(e)
end)
it("Tests century-flip", function()
local old = date.getcenturyflip()
finally(function()
date.setcenturyflip(old)
end)
assert(old==0)
assert(date("01-01-00")==date(1900,01,01))
assert(date("01-01-50")==date(1950,01,01))
assert(date("01-01-99")==date(1999,01,01))
date.setcenturyflip(100)
assert(date("01-01-00")==date(2000,01,01))
assert(date("01-01-50")==date(2050,01,01))
assert(date("01-01-99")==date(2099,01,01))
date.setcenturyflip(50)
assert(date("01-01-00")==date(2000,01,01))
assert(date("01-01-49")==date(2049,01,01))
assert(date("01-01-50")==date(1950,01,01))
assert(date("01-01-99")==date(1999,01,01))
end)
it("Tests leap year", function()
assert.is_true(date.isleapyear(2012))
assert.is_true(date.isleapyear(2000))
assert.is_false(date.isleapyear(2011))
assert.is_false(date.isleapyear(1900))
end)
it("Tests date equality", function()
local a = date("20131230 00:57:04")
assert(a:getyear() == 2013)
assert(a:getmonth() == 12)
assert(a:getday() == 30)
assert(a:gethours() == 0)
assert(a:getminutes() == 57)
assert(a:getseconds() == 04)
local b = date("20131230 01:00:00")
local c = date("20131230 00:57:04") -- same as a
assert(a < b)
assert(a <= b)
assert(not (a > b)) -- luacheck: ignore
assert(not (a >= b)) -- luacheck: ignore
assert(a == c)
assert(a <= c)
assert(a >= c)
end)
it("Tests metamethods", function()
local a = date(1521,5,2)
local b = a:copy():addseconds(0.001)
assert((a - b):spanseconds() == -0.001)
assert((a + b) == (b + a))
assert(a == (b - date("00:00:00.001")) )
assert(b == (a + date("00:00:00.001")) )
b:addseconds(-0.01)
assert(a > b and b < a)
assert(a >= b and b <= a)
assert(a ~= b and (not(a == b))) -- luacheck: ignore
a = b:copy()
assert(not (a > b and b < a))
assert(a >= b and b <= a)
assert(a == b and (not(a ~= b))) -- luacheck: ignore
assert((a .. 565369) == (b .. 565369))
assert((a .. "????") == (b .. "????"))
end)
it("Tests 'adddays()'", function()
local a = date(2000,12,30)
local b = date(a):adddays(3)
local c = date.diff(b,a)
assert(c:spandays() == 3)
end)
it("Tests 'addhours()'", function()
local a = date(2000,12,30)
local b = date(a):addhours(3)
local c = date.diff(b,a)
assert(c:spanhours() == 3)
end)
it("Tests 'addminutes()'", function()
local a = date(2000,12,30)
local b = date(a):addminutes(3)
local c = date.diff(b,a)
assert(c:spanminutes() == 3)
end)
it("Tests 'addseconds()'", function()
local a = date(2000,12,30)
local b = date(a):addseconds(3)
local c = date.diff(b,a)
assert(c:spanseconds() == 3)
end)
it("Tests 'addmonths()'", function()
local a = date(2000,12,28):addmonths(3)
assert(a:getmonth() == 3)
end)
it("Tests 'addticks()'", function()
local a = date(2000,12,30)
local b = date(a):addticks(3)
local c = date.diff(b,a)
assert(c:spanticks() == 3)
end)
it("Tests 'addyears()'", function()
local a = date(2000,12,30):addyears(3)
assert(a:getyear() == (2000+3))
end)
it("Tests 'copy()'", function()
local a = date(2000,12,30)
local b = a:copy()
assert(a==b)
end)
it("Tests 'fmt()'", function()
local d = date(1582,10,5)
assert(d:fmt('%D') == d:fmt("%m/%d/%y")) -- month/day/year from 01/01/00 (12/02/79)
assert(d:fmt('%F') == d:fmt("%Y-%m-%d")) -- year-month-day (1979-12-02)
assert(d:fmt('%h') == d:fmt("%b")) -- same as %b (Dec)
assert(d:fmt('%r') == d:fmt("%I:%M:%S %p")) -- 12-hour time, from 01:00:00 AM (06:55:15 AM)
assert(d:fmt('%T') == d:fmt("%H:%M:%S")) -- 24-hour time, from 00:00:00 (06:55:15)
assert(d:fmt('%a %A %b %B') == "Tue Tuesday Oct October")
assert(d:fmt('%C %d') == "15 05", d:fmt('%C %d'))
local d2 = date(1446747300.00008)
assert.is.equals(d2:fmt('%\f'),"00.000080109")
end)
it("Tests 'getclockhour()'", function()
local a = date("10:59:59 pm")
assert(a:getclockhour()==10)
end)
it("Tests 'getdate()'", function()
local a = date(1970, 1, 1)
local y, m, d = a:getdate()
assert(y == 1970 and m == 1 and d == 1)
end)
it("Tests 'getday()'", function()
local d = date(1966, 'sep', 6)
assert(d:getday() == 6)
end)
it("Tests 'getfracsec()'", function()
local d = date("Wed Apr 04 2181 11:51:06.996 UTC")
assert(d:getfracsec() == 6.996)
end)
it("Tests 'gethours()'", function()
local d = date("Wed Apr 04 2181 11:51:06 UTC")
assert(d:gethours() == 11)
end)
it("Tests 'getisoweekday()'", function()
local d = date(1970, 1, 1)
assert(d:getisoweekday() == 4)
end)
it("Tests 'getisoweeknumber()'", function()
local d = date(1975, 12, 29)
assert(d:getisoweeknumber() == 1)
assert(d:getisoyear() == 1976)
assert(d:getisoweekday() == 1)
d = date(1977, 1, 2)
assert(d:getisoweeknumber() == 53)
assert(d:getisoyear() == 1976)
assert(d:getisoweekday() == 7)
end)
it("Tests 'getisoyear()'", function()
local d = date(1996, 12, 30)
assert(d:getisoyear() == 1997)
d = date(1997, 01, 05)
assert(d:getisoyear() == 1997)
end)
it("Tests 'getminutes'", function()
local d = date("Wed Apr 04 2181 11:51:06 UTC")
assert(d:getminutes() == 51)
end)
it("Tests 'getmonth'", function()
local d = date("Wed Apr 04 2181 11:51:06 UTC")
assert(d:getmonth() == 4)
end)
it("Tests 'getseconds'", function()
local d = date("Wed Apr 04 2181 11:51:06 UTC")
assert(d:getseconds() == 6)
end)
it("Tests 'getticks()'", function()
local d = date("Wed Apr 04 2181 11:51:06.123 UTC")
assert(d:getticks() == 123000)
end)
it("Tests 'gettime()'", function()
local a = date({hour=5,sec=.5,min=59})
local h, m, s, t = a:gettime()
assert(t == 500000 and s == 0 and m == 59 and h == 5, tostring(a))
end)
it("Tests 'getweekday()'", function()
local d = date(1970, 1, 1)
assert(d:getweekday() == 5)
end)
it("Tests 'getweeknumber()'", function()
local a = date("12/31/1972")
local b,c = a:getweeknumber(), a:getweeknumber(2)
assert(b==53 and c==52)
end)
it("Tests 'getyear()'", function()
local d = date(1965, 'jan', 0)
assert(d:getyear() == 1964)
end)
it("Tests 'getyearday()'", function()
local d = date(2181, 1, 12)
assert(d:getyearday() == 12)
end)
it("Tests 'setday()'", function()
local d = date(1966, 'july', 6)
d:setday(1)
assert(d == date("1966 july 1"))
end)
it("Tests 'sethours()'", function()
local d = date(1984, 12, 3, 4, 39, 54)
d:sethours(1, 1, 1)
assert(d == date("1984 DEc 3 1:1:1"))
end)
it("Tests 'setisoweekday()'", function()
local d = date.isodate(1999, 52, 1)
d:setisoweekday(7)
assert(d == date(2000, 1, 02))
end)
it("Tests 'setisoweeknumber()'", function()
local d = date(1999, 12, 27)
d:setisoweeknumber(51, 7)
assert(d == date(1999, 12, 26))
end)
it("Tests 'setisoyear()'", function()
local d = date(1999, 12, 27)
d:setisoyear(2000, 1)
assert(d == date.isodate(2000,1,1))
assert(d:getyear() == 2000)
assert(d:getday() == 3)
end)
it("Tests 'setminutes()'", function()
local d = date(1984, 12, 3, 4, 39, 54)
d:setminutes(59, 59, 500)
assert(d == date(1984, 12, 3, 4, 59, 59, 500))
end)
it("Tests 'setmonth()'", function()
local d = date(1966, 'july', 6)
d:setmonth(1)
assert(d == date("6 jan 1966"))
end)
it("Tests 'setseconds()'", function()
local d = date(1984, 12, 3, 4, 39, 54)
d:setseconds(59, date.ticks())
assert(d == date(1984, 12, 3, 4, 40))
end)
it("Tests 'setticks()'", function()
local d = date(1984, 12, 3, 4, 39, 54)
d:setticks(444)
assert(d == date(1984, 12, 3, 4, 39, 54, 444))
end)
it("Tests 'setyear()'", function()
local d = date(1966, 'july', 6)
d:setyear(2000)
assert(d == date("jul 6 2000"))
end)
it("Tests 'spandays()'", function()
local a = date(2181, "aPr", 4, 6, 30, 30, 15000)
local b = date(a):adddays(2)
local c = date.diff(b, a)
assert(c:spandays() == (2))
end)
it("Tests 'spanhours()'", function()
local a = date(2181, "aPr", 4, 6, 30, 30, 15000)
local b = date(a):adddays(2)
local c = date.diff(b, a)
assert(c:spanhours() == (2*24))
end)
it("Tests 'spanminutes()'", function()
local a = date(2181, "aPr", 4, 6, 30, 30, 15000)
local b = date(a):adddays(2)
local c = date.diff(b, a)
assert(c:spanminutes() == (2*24*60))
end)
it("Tests 'spanseconds()'", function()
local a = date(2181, "aPr", 4, 6, 30, 30, 15000)
local b = date(a):adddays(2)
local c = date.diff(b, a)
assert(c:spanseconds() == (2*24*60*60))
end)
it("Tests 'spanticks()'", function()
local a = date(2181, "aPr", 4, 6, 30, 30, 15000)
local b = date(a):adddays(2)
local c = date.diff(b, a)
assert(c:spanticks() == (2*24*60*60*1000000))
end)
end)
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