]> git.madduck.net Git - etc/awesome.git/blobdiff - spec/timetable_spec.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

{luatz,doc}/gettime: Add Openresty's ngx.now as a source
[etc/awesome.git] / spec / timetable_spec.lua
index 653645921fbbc5aa876b66304b6f2b4ece8c7c33..7f6c7041a5ca6b8d86d576d522ed902494e224d1 100644 (file)
-describe ( "Time table library" , function ( )
-       local timetable = require "timetable"
+describe ( "Timetable library" , function ( )
+       local timetable = require "luatz.timetable"
 
-       it ( "Doomsday calculation" , function ( )
-               local doomsday = timetable.doomsday
+       local function native_normalise ( year , month , day )
+               return os.date("*t",os.time{
+                       year = year ;
+                       month = month ;
+                       day = day ;
+               })
+       end
 
-               -- Doomsday in Gregorian calendar for 2013 is Thursday.
-               assert.are.same ( 5 , doomsday(2013) )
+       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 ( )
 
-               assert.are.same ( 3 , doomsday(1967) )
-               assert.are.same ( 5 , doomsday(1968) )
+               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 )
+               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 )
 
-       it ( "Get day of week correct" , function ( )
-               local function native_normalise ( tbl )
-                       return os.date("*t",os.time(tbl))
+       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 ( )
+               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) )
+                       end
                end
-               local tbl = {
-                       year = 2013 ;
-                       month = 7 ;
-                       day = 23 ;
-               }
-               assert.are.same ( native_normalise ( tbl ).wday  , timetable.normalise ( tbl ).wday )
-               tbl.day=24
-               assert.are.same ( native_normalise ( tbl ).wday  , timetable.normalise ( tbl ).wday )
-               tbl.day=25
-               assert.are.same ( native_normalise ( tbl ).wday  , timetable.normalise ( tbl ).wday )
-               tbl.day=26
-               assert.are.same ( native_normalise ( tbl ).wday  , timetable.normalise ( tbl ).wday )
-               tbl.day=27
-               assert.are.same ( native_normalise ( tbl ).wday  , timetable.normalise ( tbl ).wday )
-               tbl.day=28
-               assert.are.same ( native_normalise ( tbl ).wday  , timetable.normalise ( tbl ).wday )
-               tbl.day=29
-               assert.are.same ( native_normalise ( tbl ).wday  , timetable.normalise ( tbl ).wday )
        end )
+
+       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 )