walltime-js

should = require "should" helpers = require "../lib/olson/helpers" OlsonReader = require "../lib/olson/reader" OlsonCommon = require "../lib/olson/common" WallTime = require "../lib/walltime" TimeZoneTime = require "../lib/olson/timezonetime" OlsonZone = OlsonCommon.Zone OlsonZoneSet = OlsonCommon.ZoneSet describe "walltime-js", -> rules = {} zones = {} noSave = hours: 0 mins: 0 dstSave = hours: 1 mins: 0 readTimezoneFile = (file = "./test/rsrc/full/northamerica", next) -> reader = new OlsonReader reader.singleFile file, (result) -> should.exist result?.zones, "should have zones in result" should.exist result?.rules, "should have rules in result" rules = JSON.parse(JSON.stringify(result.rules)) zones[zoneName] = zoneVal.zones for own zoneName, zoneVal of result.zones do next beforeEach -> WallTime.rules = undefined WallTime.zones = undefined WallTime.doneInit = false describe "init", -> before (next) -> readTimezoneFile "./test/rsrc/full/northamerica", next it "requires an init call to load the rules and zones", -> should.exist WallTime.init WallTime.init rules, zones should.exist WallTime.rules["US"], "rule" should.exist WallTime.zones["America/Chicago"], "zone" it "throws an error if you fail to init with rules and zones before setting the time zone", -> setTimeZoneWithNoInit = -> WallTime.setTimeZone "America/Chicago" setTimeZoneWithNoInit.should.throw() describe "setTimeZone", -> before (next) -> readTimezoneFile "./test/rsrc/full/northamerica", next it "allows you to set the time zone", -> should.exist WallTime.setTimeZone WallTime.init rules, zones WallTime.setTimeZone "America/Chicago" WallTime.zoneSet.name.should.equal "America/Chicago" it "throws an error if the time zone is not found", -> WallTime.init rules, zones emptyName = -> WallTime.setTimeZone "" emptyName.should.throw() ### # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule US 1918 1919 - Mar lastSun 2:00 1:00 D Rule US 1918 1919 - Oct lastSun 2:00 0 S Rule US 1942 only - Feb 9 2:00 1:00 W # War Rule US 1945 only - Aug 14 23:00u 1:00 P # Peace Rule US 1945 only - Sep 30 2:00 0 S Rule US 1967 2006 - Oct lastSun 2:00 0 S Rule US 1967 1973 - Apr lastSun 2:00 1:00 D Rule US 1974 only - Jan 6 2:00 1:00 D Rule US 1975 only - Feb 23 2:00 1:00 D Rule US 1976 1986 - Apr lastSun 2:00 1:00 D Rule US 1987 2006 - Apr Sun>=1 2:00 1:00 D Rule US 2007 max - Mar Sun>=8 2:00 1:00 D Rule US 2007 max - Nov Sun>=1 2:00 0 S # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER Rule Chicago 1920 only - Jun 13 2:00 1:00 D Rule Chicago 1920 1921 - Oct lastSun 2:00 0 S Rule Chicago 1921 only - Mar lastSun 2:00 1:00 D Rule Chicago 1922 1966 - Apr lastSun 2:00 1:00 D Rule Chicago 1922 1954 - Sep lastSun 2:00 0 S Rule Chicago 1955 1966 - Oct lastSun 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:09:24 -6:00 US C%sT 1920 -6:00 Chicago C%sT 1936 Mar 1 2:00 -5:00 - EST 1936 Nov 15 2:00 -6:00 Chicago C%sT 1942 -6:00 US C%sT 1946 -6:00 Chicago C%sT 1967 -6:00 US C%sT ### firstOffset = negative: true hours: 5 mins: 50 secs: 36 sixOffset = negative: true hours: 6 mins: 0 secs: 0 fiveOffset = negative: true hours: 5 mins: 0 secs: 0 commonWallTimeTest = (point, zoneName, expectSave, expectWallTime) -> WallTime.init rules, zones WallTime.setTimeZone zoneName result = WallTime.UTCToWallTime point result.save.hours.should.equal expectSave.hours result.save.mins.should.equal expectSave.mins result.utc.should.equal point, "UTC time" result.wallTime.getTime().should.equal expectWallTime.wallTime.getTime(), "WallTimes: #{result.wallTime.toUTCString()} :: #{expectWallTime.wallTime.toUTCString()}" describe "UTCToWallTime", -> it "can be called before setTimeZone as long as zone is passed", -> WallTime.init rules, zones currTime = new Date().getTime() result = WallTime.UTCToWallTime currTime, "America/Chicago" should.exist result it "throws an error when you don't setTimeZone and don't pass a zone", -> WallTime.init rules, zones currTime = new Date().getTime() result = null callFunc = -> result = WallTime.UTCToWallTime currTime callFunc.should.throw() should.not.exist result describe "UTCToWallTime (America/Chicago)", -> before (next) -> readTimezoneFile "./test/rsrc/full/northamerica", next it "can convert Jul 26 2013, 6:50 AM", -> WallTime.init rules, zones chicagoTime = WallTime.UTCToWallTime(1374839400000, "America/Chicago") chicagoTime.getFullYear().should.equal(2013) chicagoTime.getMonth().should.equal(6) chicagoTime.getDate().should.equal(26) chicagoTime.getHours().should.equal(6) chicagoTime.getMinutes().should.equal(50) it "can translate a UTC Time to Chicago Wall Time for times before the first zone line", -> # Before any zones point = helpers.Time.MakeDateFromParts 1880, 0, 1 expect = new TimeZoneTime point, { offset: firstOffset }, noSave commonWallTimeTest point, "America/Chicago", noSave, expect it "can translate a UTC Time to Chicago Wall Time for times at the end of first zone line", -> # Right at the end of the first zone line point = helpers.Time.MakeDateFromParts 1883, 10, 18, 12, 9, 23 point = helpers.Time.ApplyOffset point, firstOffset expect = new TimeZoneTime point, { offset: firstOffset }, noSave commonWallTimeTest point, "America/Chicago", noSave, expect it "can translate a UTC Time to Chicago Wall Time for times after the first zone line with -6:00 offset", -> # Right after the end of the first zone line point = helpers.Time.MakeDateFromParts 1883, 10, 18, 12, 9, 24 # We use the first offset here because we want it to match the end of the first rule point = helpers.Time.ApplyOffset point, firstOffset expect = new TimeZoneTime point, { offset: sixOffset }, noSave commonWallTimeTest point, "America/Chicago", noSave, expect it "can apply daylight savings for the first US Rule zone line", -> # Right after the end of the first zone line point = helpers.Time.MakeDateFromParts 1918, 2, 31, 2, 0, 1 point = helpers.Time.ApplyOffset point, sixOffset expect = new TimeZoneTime point, { offset: sixOffset }, dstSave commonWallTimeTest point, "America/Chicago", dstSave, expect it "can go back to standard time for the first US Rule zone line", -> # Right after the end of the first zone line point = helpers.Time.MakeDateFromParts 1918, 9, 31, 2, 0, 1 point = helpers.Time.ApplyOffset point, sixOffset # Apply the save because we would be in daylight savings from the previous move point = helpers.Time.ApplySave point, dstSave expect = new TimeZoneTime point, { offset: sixOffset }, noSave commonWallTimeTest point, "America/Chicago", noSave, expect it "can translate this years rule before DST", -> # Right before the time zone switch point = helpers.Time.StandardTimeToUTC sixOffset, 2012, 2, 11, 1, 59 #console.log point.toUTCString() #console.log point.toUTCString() point.getUTCHours().should.equal 7 expect = new TimeZoneTime point, { offset: sixOffset }, noSave commonWallTimeTest point, "America/Chicago", noSave, expect it "can translate this years rule after DST on 3/11 at 2:00 AM", -> # Right after the time zone switch point = helpers.Time.MakeDateFromParts 2012, 2, 11, 2, 0 point = helpers.Time.ApplyOffset point, sixOffset expect = new TimeZoneTime point, { offset: sixOffset }, dstSave commonWallTimeTest point, "America/Chicago", dstSave, expect it "can translate this years rule during the middle of DST", -> # Middle of DST point = helpers.Time.MakeDateFromParts 2012, 4, 11, 2, 0 point = helpers.Time.ApplyOffset point, sixOffset # Apply a DST because we would have had one applied. point = helpers.Time.ApplySave point, dstSave expect = new TimeZoneTime point, { offset: sixOffset }, dstSave commonWallTimeTest point, "America/Chicago", dstSave, expect it "can translate this years rule before the switch back to DST", -> # End of DST point = helpers.Time.WallTimeToUTC sixOffset, dstSave, 2012, 10, 4, 1, 59 expect = new TimeZoneTime point, { offset: sixOffset }, dstSave commonWallTimeTest point, "America/Chicago", dstSave, expect it "can translate this years rule after the switch back to DST on 11/4 at 2:00 AM", -> # After DST point = helpers.Time.MakeDateFromParts 2012, 10, 4, 2, 0 point = helpers.Time.ApplyOffset point, sixOffset # Apply a DST because we would have had one applied. point = helpers.Time.ApplySave point, dstSave expect = new TimeZoneTime point, { offset: sixOffset }, noSave commonWallTimeTest point, "America/Chicago", noSave, expect describe "WallTimeToUTC (America/Chicago)", -> before (next) -> readTimezoneFile "./test/rsrc/full/northamerica", next commonUTCTimeTest = (point, expect, zoneName = "America/Chicago") -> WallTime.init rules, zones WallTime.setTimeZone zoneName #console.log point.toUTCString() #console.log "\n"+expect.toUTCString() result = WallTime.WallTimeToUTC zoneName, point #console.log result.toUTCString() result.should.equal expect it "can translate wall time before the first zone line to UTC", -> expect = helpers.Time.MakeDateFromParts 1880, 0, 1 point = helpers.Time.UTCToStandardTime expect, firstOffset commonUTCTimeTest point, expect it "can translate wall time at the end of the first zone line", -> expect = helpers.Time.StandardTimeToUTC firstOffset, 1883, 10, 18, 12, 9, 23 point = helpers.Time.UTCToStandardTime expect, firstOffset commonUTCTimeTest point, expect it "can translate wall time after the end of the first zone line", -> # We are preparing the "point" by using the firstOffset and just adding 2 seconds after the end of the first zone line. expect = helpers.Time.StandardTimeToUTC firstOffset, 1883, 10, 18, 12, 9, 25 point = helpers.Time.UTCToStandardTime expect, firstOffset # What we actually are expecting should have the sixOffset value expect = helpers.Time.StandardTimeToUTC sixOffset, 1883, 10, 18, 12, 9, 25 commonUTCTimeTest point, expect it "can translate wall time after the first zone line", -> expect = helpers.Time.MakeDateFromParts 1900, 0, 1 point = helpers.Time.UTCToStandardTime expect, sixOffset commonUTCTimeTest point, expect it "can translate this years wall time before DST", -> expect = helpers.Time.StandardTimeToUTC sixOffset, 2012, 2, 11, 1, 59, 59 point = helpers.Time.UTCToStandardTime expect, sixOffset commonUTCTimeTest point, expect it "can translate this years wall time after DST", -> # Priming without dst save expect = helpers.Time.StandardTimeToUTC sixOffset, 2012, 2, 11, 2 point = helpers.Time.UTCToStandardTime expect, sixOffset # What we are expecting should have a dstSave applied. expect = helpers.Time.WallTimeToUTC sixOffset, dstSave, 2012, 2, 11, 2 commonUTCTimeTest point, expect it "can translate this years wall time during DST", -> # Priming without dst save expect = helpers.Time.StandardTimeToUTC fiveOffset, 2012, 7, 28, 12 point = helpers.Time.UTCToStandardTime expect, fiveOffset commonUTCTimeTest point, expect describe "IsAmbiguous (America/Chicago)", -> before (next) -> readTimezoneFile "./test/rsrc/full/northamerica", next beforeEach -> WallTime.init rules, zones WallTime.setTimeZone "America/Chicago" it "reports false for before DST", -> result = WallTime.IsAmbiguous "America/Chicago", 2012, 0, 1 result.should.equal false it "reports true for DST transition (2:00 AM, Mar 11, 2012)", -> result = WallTime.IsAmbiguous "America/Chicago", 2012, 2, 11, 2, 0 result.should.equal true it "reports false for before DST reset", -> result = WallTime.IsAmbiguous "America/Chicago", 2012, 5, 1 result.should.equal false it "reports true for DST reset transtion (1:00 AM, Nov 4, 2012)", -> result = WallTime.IsAmbiguous "America/Chicago", 2012, 10, 4, 1 result.should.equal true describe "UTCToWallTime (Australia/Adelaide)", -> ### Daylight savings in Australia/Adelaide is generally opposite of the united states. GMT Offset is +9:30. Enter Daylight savings (Spring Forward) on October 7, 2012 3:00 AM -> 2:00 AM Leave Daylights savings (Fall Back) on April 1, 2012 2:00 AM -> 3:00 AM ### Mar28_8AM_2012 = 1332883800000 Apr3_8AM_2012 = 1333405800000 Sep28_8AM_2012 = 1348785000000 Oct10_8AM_2012 = 1349818200000 Jan4_8AM_2013 = 1357248600000 testTimestamp = (ts, yr, month, day, hr, min) -> result = WallTime.UTCToWallTime ts result.getFullYear().should.equal yr, "Year" result.getMonth().should.equal month, "Month" result.getDate().should.equal day, "Day" result.getHours().should.equal hr, "Hour" result.getMinutes().should.equal min, "Minute" before (next) -> readTimezoneFile "./test/rsrc/full/australasia", next beforeEach -> WallTime.init rules, zones WallTime.setTimeZone "Australia/Adelaide" # Before the DST Transition it "can translate March 28 2012, 8:00 AM correctly", -> testTimestamp Mar28_8AM_2012, 2012, 2, 28, 8, 0 # After the DST Transition it "can translate April 3 2012, 8:00 AM correctly", -> testTimestamp Apr3_8AM_2012, 2012, 3, 3, 8, 0 # During the DST Transition it "can translate September 28 2012, 8:00 AM correctly", -> testTimestamp Sep28_8AM_2012, 2012, 8, 28, 8, 0 # After the DST Regression it "can translate October 10 2012, 8:00 AM correctly", -> testTimestamp Oct10_8AM_2012, 2012, 9, 10, 8, 0 # After the DST Regression beginning of year it "can translate January 4 2013, 8:00 AM correctly", -> testTimestamp Jan4_8AM_2013, 2013, 0, 4, 8, 0 describe "WallTimeToUTC (Australia/Adelaide)", -> ### Daylight savings in Australia/Adelaide is generally opposite of the united states. GMT Offset is +9:30. Enter Daylight savings (Spring Forward) on October 7, 2012 3:00 AM -> 2:00 AM Leave Daylights savings (Fall Back) on April 1, 2012 2:00 AM -> 3:00 AM ### Mar28_8AM_2012 = 1332883800000 Apr3_8AM_2012 = 1333405800000 Sep28_8AM_2012 = 1348785000000 Oct10_8AM_2012 = 1349818200000 Jan4_8AM_2013 = 1357248600000 testTimestamp = (ts, yr, month, day, hr, min) -> result = WallTime.WallTimeToUTC "Australia/Adelaide", yr, month, day, hr, min result.getTime().should.equal ts, "Timestamp" before (next) -> readTimezoneFile "./test/rsrc/full/australasia", next beforeEach -> WallTime.init rules, zones WallTime.setTimeZone "Australia/Adelaide" # Before the DST Transition it "can translate March 28 2012, 8:00 AM correctly", -> testTimestamp Mar28_8AM_2012, 2012, 2, 28, 8, 0 # After the DST Transition it "can translate April 3 2012, 8:00 AM correctly", -> testTimestamp Apr3_8AM_2012, 2012, 3, 3, 8, 0 # During the DST Transition it "can translate September 28 2012, 8:00 AM correctly", -> testTimestamp Sep28_8AM_2012, 2012, 8, 28, 8, 0 # After the DST Regression it "can translate October 10 2012, 8:00 AM correctly", -> testTimestamp Oct10_8AM_2012, 2012, 9, 10, 8, 0 # After the DST Regression beginning of year it "can translate January 4 2013, 8:00 AM correctly", -> testTimestamp Jan4_8AM_2013, 2013, 0, 4, 8, 0 describe "UTCToWallTime (America/Chihuahua)", -> Mar28_8AM_2012 = 1332946800000 Apr3_8AM_2012 = 1333461600000 Sep28_8AM_2012 = 1348840800000 Oct10_8AM_2012 = 1349877600000 Jan4_8AM_2013 = 1357311600000 testTimestamp = (ts, yr, month, day, hr, min) -> result = WallTime.UTCToWallTime ts result.getFullYear().should.equal yr, "Year" result.getMonth().should.equal month, "Month" result.getDate().should.equal day, "Day" result.getHours().should.equal hr, "Hour" result.getMinutes().should.equal min, "Minute" before (next) -> readTimezoneFile "./test/rsrc/full/northamerica", next beforeEach -> WallTime.init rules, zones WallTime.setTimeZone "America/Chihuahua" it "can set timezone to America/Chihuahua", -> WallTime.timeZoneName.should.equal "America/Chihuahua" # Before the DST Transition it "can translate March 28 2012, 8:00 AM correctly", -> testTimestamp Mar28_8AM_2012, 2012, 2, 28, 8, 0 # After the DST Transition it "can translate April 3 2012, 8:00 AM correctly", -> testTimestamp Apr3_8AM_2012, 2012, 3, 3, 8, 0 # During the DST Transition it "can translate September 28 2012, 8:00 AM correctly", -> testTimestamp Sep28_8AM_2012, 2012, 8, 28, 8, 0 # After the DST Regression it "can translate October 10 2012, 8:00 AM correctly", -> testTimestamp Oct10_8AM_2012, 2012, 9, 10, 8, 0 # After the DST Regression beginning of year it "can translate January 4 2013, 8:00 AM correctly", -> testTimestamp Jan4_8AM_2013, 2013, 0, 4, 8, 0 describe "UTCToWallTime (America/Regina)", -> sixOffset = negative: true hours: 6 mins: 0 secs: 0 Mar28_8AM_2012 = helpers.Time.MakeDateFromParts 2012, 2, 28, 8 Mar28_8AM_2012 = helpers.Time.ApplyOffset Mar28_8AM_2012, sixOffset testTimestamp = (ts, yr, month, day, hr, min) -> result = WallTime.UTCToWallTime ts result.getFullYear().should.equal yr, "Year" result.getMonth().should.equal month, "Month" result.getDate().should.equal day, "Day" result.getHours().should.equal hr, "Hour" result.getMinutes().should.equal min, "Minute" before (next) -> readTimezoneFile "./test/rsrc/full/northamerica", next beforeEach -> WallTime.init rules, zones WallTime.setTimeZone "America/Regina" it "can set timezone to America/Regina", -> WallTime.timeZoneName.should.equal "America/Regina" local = WallTime.UTCToWallTime new Date(), "America/Regina" local.zone.name.should.equal("America/Regina") # Before the DST Transition it "can translate March 28 2012, 8:00 AM correctly", -> testTimestamp Mar28_8AM_2012, 2012, 2, 28, 8, 0