X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/86e57ee7249734545974d4b8ba2de3bcea6575a3..74d5923767607c935fff45129486ff9c4251c283:/spec/timetable_spec.lua diff --git a/spec/timetable_spec.lua b/spec/timetable_spec.lua index a80b9ad..3713391 100644 --- a/spec/timetable_spec.lua +++ b/spec/timetable_spec.lua @@ -1,51 +1,132 @@ -describe ( "Time table library" , function ( ) - local timetable = require "timetable" - - it ( "Doomsday calculation" , function ( ) - local doomsday = timetable.doomsday - - -- Doomsday in Gregorian calendar for 2013 is Thursday. - assert.are.same ( 5 , doomsday(2013) ) - - assert.are.same ( 3 , doomsday(1967) ) - assert.are.same ( 5 , doomsday(1968) ) - end ) - - it ( "Get day of week correct" , function ( ) - local function native_normalise ( year , month , day ) - return os.date("*t",os.time{ - year = year ; - month = month ; - day = day ; - }) - end - local function assert_same_wday ( year , month , day ) - return assert.are.same ( - native_normalise ( year , month , day ).wday , - timetable.new ( year , month , day ):normalise().wday +describe("Timetable library", function() + local timetable = require "luatz.timetable" + + local function native_normalise(year, month, day) + return os.date("*t",os.time { + year = year; + month = month; + day = day; + }) + end + + it("#is_leap is correct", function() + assert.same(false, timetable.is_leap(1)) + assert.same(false, timetable.is_leap(3)) + assert.same(true , timetable.is_leap(4)) + assert.same(true , timetable.is_leap(2000)) + assert.same(true , timetable.is_leap(2004)) + assert.same(true , timetable.is_leap(2012)) + assert.same(false, timetable.is_leap(2013)) + assert.same(false, timetable.is_leap(2014)) + assert.same(false, timetable.is_leap(2100)) + assert.same(true , timetable.is_leap(2400)) + end) + + it("#normalise gets #wday (day of week) correct", function() + + local function assert_same_wday(year, month, day) + return assert.are.same( + native_normalise(year, month, day).wday, + timetable.new(year, month, day):normalise().wday ) end - assert_same_wday ( 2013 , 7 , 23 ) - assert_same_wday ( 2013 , 7 , 24 ) - assert_same_wday ( 2013 , 7 , 25 ) - assert_same_wday ( 2013 , 7 , 26 ) - assert_same_wday ( 2013 , 7 , 27 ) - assert_same_wday ( 2013 , 7 , 28 ) - assert_same_wday ( 2013 , 7 , 29 ) - end ) - - local function native_timestamp ( year , month , day ) - return assert ( tonumber ( assert ( io.popen ( - string.format('date -u -d "%d-%d-%d" +%%s', year , month , day ) - ) ):read "*l" ) ) + assert_same_wday(2013, 7, 23) + assert_same_wday(2013, 7, 24) + assert_same_wday(2013, 7, 25) + assert_same_wday(2013, 7, 26) + assert_same_wday(2013, 7, 27) + assert_same_wday(2013, 7, 28) + assert_same_wday(2013, 7, 29) + assert_same_wday(2014, 1, 1) + assert_same_wday(2014, 1, 6) + assert_same_wday(2016, 2, 28) + assert_same_wday(2016, 2, 29) + assert_same_wday(2016, 3, 1) + end) + + local function native_timestamp(year, month, day) + return assert(tonumber(assert(io.popen( + string.format('date -u -d "%d-%d-%d" +%%s', year, month, day) + )):read "*l")) end - it ( "Timestamp creation is valid" , function ( ) + it("#timestamp creation is valid", function() for y=1950,2013 do for m=1,12 do - assert.same ( native_timestamp ( y,m,1 ) , timetable.timestamp(y,m,1,0,0,0) ) + assert.same(native_timestamp(y,m,1), timetable.timestamp(y,m,1,0,0,0)) end end end) -end ) + + it("#normalise handles out of range days in a year", function() + assert.same({2014,1,1,0,0,0}, {timetable.normalise(2013,1,366,0,0,0)}) + assert.same({2014,2,4,0,0,0}, {timetable.normalise(2013,1,400,0,0,0)}) + assert.same({2017,2,3,0,0,0}, {timetable.normalise(2016,1,400,0,0,0)}) + assert.same({2016,3,5,0,0,0}, {timetable.normalise(2015,1,430,0,0,0)}) + assert.same({2017,3,5,0,0,0}, {timetable.normalise(2016,1,430,0,0,0)}) + assert.same({2027,5,18,0,0,0}, {timetable.normalise(2000,1,10000,0,0,0)}) + assert.same({29379,1,25,0,0,0}, {timetable.normalise(2000,1,10000000,0,0,0)}) + end) + + it("#normalise handles out of range days in a #month", function() + assert.same({2012,12,1,0,0,0}, {timetable.normalise(2013,0,1,0,0,0)}) + assert.same({2016,6,1,0,0,0}, {timetable.normalise(2013,42,1,0,0,0)}) + + -- Correct behaviour around leap days + assert.same({2012,3,23,0,0,0}, {timetable.normalise(2012,2,52,0,0,0)}) + assert.same({2013,3,24,0,0,0}, {timetable.normalise(2013,2,52,0,0,0)}) + + assert.same({2012,2,27,0,0,0}, {timetable.normalise(2012,3,-2,0,0,0)}) + assert.same({2013,2,26,0,0,0}, {timetable.normalise(2013,3,-2,0,0,0)}) + + -- Also when more fields are out of range + assert.same({2016,7,22,0,0,0}, {timetable.normalise(2013,42,52,0,0,0)}) + assert.same({2016,7,24,2,0,0}, {timetable.normalise(2013,42,52,50,0,0)}) + end) + + it("#normalise handles fractional #month", function() + assert.same({2015,2,15,0,0,0}, {timetable.normalise(2014,14.5,1,0,0,0)}) + assert.same({2016,2,15,12,0,0}, {timetable.normalise(2015,14.5,1,0,0,0)}) -- leap year, so hours is 12 + assert.same({2017,2,15,0,0,0}, {timetable.normalise(2016,14.5,1,0,0,0)}) + end) + + it("#normalise handles negative carry (issue #10)", function() + assert.same({1970,01,01,00,59,00}, {timetable.normalise(1970,01,01,01,00,-60)}) + assert.same({1970,01,01,00,58,58}, {timetable.normalise(1970,01,01,01,00,-62)}) + assert.same({1969,12,31,23,55,58}, {timetable.normalise(1970,01,01,01,-63,-62)}) + assert.same({2017,02,3,0,0,0}, {timetable.normalise(2017,02,13,0,-14400,0)}) + end) + + it("#normalise handles negative day carry (issue #13)", function() + assert.same({2016,11,30,00,00,00}, {timetable.normalise(2016,12,0,0,0,0)}) + assert.same({2017,11,30,00,00,00}, {timetable.normalise(2017,12,0,0,0,0)}) + assert.same({2018,11,30,00,00,00}, {timetable.normalise(2018,12,0,0,0,0)}) + end) + + local function round_trip_add(t, field, x) + local before = t:clone() + t[field]=t[field]+x; + t:normalise(); + t[field]=t[field]-x; + t:normalise(); + assert.same(0, t-before) + end + it("#normalise round trips", function() + round_trip_add(timetable.new(2000,2,28,0,0,0), "month", 0.5) + round_trip_add(timetable.new(2014,8,28,19,23,0), "month", 0.4) + round_trip_add(timetable.new(2014,14.5,28,0,0,0), "month", 0.4) + end) + + it("#rfc_3339 works with fractional milliseconds", function() + -- on lua 5.3 this used to throw an error due to milliseconds not being an integer + timetable.new_from_timestamp(1415141759.999911111):rfc_3339() + end) + + it("#rfc_3339 doesn't round seconds up to 60 (issue #4)", function() + assert.same("2014-11-04T22:55:59.999", timetable.new_from_timestamp(1415141759.999911111):rfc_3339()) + assert.same("1970-01-01T00:00:59.999", timetable.new_from_timestamp(59.9999999):rfc_3339()) + assert.same("1969-12-31T23:59:59.999", timetable.new_from_timestamp(-0.001):rfc_3339()) + assert.same("1969-12-31T23:59:00.000", timetable.new_from_timestamp(-59.9999999):rfc_3339()) + end) +end)