X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/12a8febabf1d5fe90d7c623377507d28a0f0fc80..929d70bbfde1714fc00f506c93cab33023901624:/spec/timetable_spec.lua?ds=inline diff --git a/spec/timetable_spec.lua b/spec/timetable_spec.lua index c81308e..930d36b 100644 --- a/spec/timetable_spec.lua +++ b/spec/timetable_spec.lua @@ -1,4 +1,4 @@ -describe ( "Time table library" , function ( ) +describe ( "Timetable library" , function ( ) local timetable = require "luatz.timetable" local function native_normalise ( year , month , day ) @@ -9,7 +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 ( @@ -28,6 +41,8 @@ describe ( "Time table library" , function ( ) 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 ) @@ -36,7 +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) ) @@ -44,7 +59,68 @@ describe ( "Time table library" , function ( ) end end ) - it ( "Out of range month is normalised" , function ( ) - assert.same ( { timetable.normalise(2013,0,1,0,0,0) } , { 2012,12,1,0,0,0 } ) + 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({ 2012,2,26,0,0,0 }, { timetable.normalise(2012,3,-2,0,0,0) }) + assert.same({ 2013,2,27,0,0,0 }, { 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 ) + + 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 )