X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/e5c87b4489b0881b7b9903733478f0d11ac96ab7..e8263f466bf4da10b9577ac6029b3c2f5e1750fb:/spec/timetable_spec.lua diff --git a/spec/timetable_spec.lua b/spec/timetable_spec.lua index 4cadbbc..7f6c704 100644 --- a/spec/timetable_spec.lua +++ b/spec/timetable_spec.lua @@ -1,16 +1,6 @@ -describe ( "Time table library" , function ( ) +describe ( "Timetable library" , function ( ) local timetable = require "luatz.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 ) - local function native_normalise ( year , month , day ) return os.date("*t",os.time{ year = year ; @@ -19,7 +9,20 @@ describe ( "Time table library" , function ( ) }) end - it ( "Get day of week correct" , function ( ) + 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 ( @@ -35,6 +38,11 @@ describe ( "Time table library" , function ( ) 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 ) @@ -43,7 +51,7 @@ describe ( "Time table library" , function ( ) ) ):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) ) @@ -51,7 +59,56 @@ describe ( "Time table library" , function ( ) end end ) - it ( "Out of range month is normalised" , function ( ) + it ( "#normalise handles out of range days in a year" , function ( ) + assert.same ( { timetable.normalise(2013,1,366,0,0,0) } , { 2014,1,1,0,0,0 } ) + assert.same ( { timetable.normalise(2013,1,400,0,0,0) } , { 2014,2,4,0,0,0 } ) + assert.same ( { timetable.normalise(2016,1,400,0,0,0) } , { 2017,2,3,0,0,0 } ) + assert.same ( { timetable.normalise(2015,1,430,0,0,0) } , { 2016,3,5,0,0,0 } ) + assert.same ( { timetable.normalise(2016,1,430,0,0,0) } , { 2017,3,5,0,0,0 } ) + assert.same ( { timetable.normalise(2000,1,10000,0,0,0) } , { 2027,5,18,0,0,0 } ) + assert.same ( { timetable.normalise(2000,1,10000000,0,0,0) } , { 29379,1,25,0,0,0 } ) + end ) + + it ( "#normalise handles out of range days in a #month" , function ( ) assert.same ( { timetable.normalise(2013,0,1,0,0,0) } , { 2012,12,1,0,0,0 } ) + assert.same ( { timetable.normalise(2013,42,1,0,0,0) } , { 2016,6,1,0,0,0 } ) + + -- Correct behaviour around leap days + assert.same ( { timetable.normalise(2012,2,52,0,0,0) } , { 2012,3,23,0,0,0 } ) + assert.same ( { timetable.normalise(2013,2,52,0,0,0) } , { 2013,3,24,0,0,0 } ) + + assert.same ( { timetable.normalise(2012,3,-2,0,0,0) } , { 2012,2,26,0,0,0 } ) + assert.same ( { timetable.normalise(2013,3,-2,0,0,0) } , { 2013,2,27,0,0,0 } ) + + -- Also when more fields are out of range + assert.same ( { timetable.normalise(2013,42,52,0,0,0) } , { 2016,7,22,0,0,0 } ) + assert.same ( { timetable.normalise(2013,42,52,50,0,0) } , { 2016,7,24,2,0,0 } ) + end ) + + it ( "#normalise handles fractional #month" , function ( ) + assert.same ( { timetable.normalise(2014,14.5,1,0,0,0) } , { 2015,2,15,0,0,0 } ) + assert.same ( { timetable.normalise(2015,14.5,1,0,0,0) } , { 2016,2,15,12,0,0 } ) -- leap year, so hours is 12 + assert.same ( { timetable.normalise(2016,14.5,1,0,0,0) } , { 2017,2,15,0,0,0 } ) 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 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 )