should = require "should" helpers = require "../lib/olson/helpers" OlsonCommon = require "../lib/olson/common" Handlers = (require "../lib/olson/rule").OnFieldHandlers OlsonRule = OlsonCommon.Rule OlsonRuleSet = OlsonCommon.RuleSet describe "Olson Rules", -> ruleLine = "rule\tChicago\t1920\tonly\t-\tJun\t13\t2:00\t1:00\tD" atUTCRuleLine = "rule\tChicago\t1920\tonly\t-\tJun\t13\t23:00u\t1:00\tD" atSTDRuleLine = "rule\tChicago\t1920\tonly\t-\tJun\t13\t23:00s\t1:00\tD" utcZone = offset: negative: false hours: 0 mins: 0 secs: 0 chiZone = offset: negative: true hours: 6 mins: 0 secs: 0 noSaveState = hours: 0 mins: 0 dstSaveState = hours: 1 mins: 0 makeRule = -> new OlsonRule("Chicago", "1920", "only", "-", "Jun", "13", "2:00", "1:00", "D") #makeUtcRule = -> new OlsonRule("Chicago", "1920", "only", "-", "Jun", "13", "23:00u", "1:00", "D") #makeStdRule = -> new OlsonRule("Chicago", "1920", "only", "-", "Jun", "13", "23:00s", "1:00", "D") rule = makeRule() beforeEach: -> rule = makeRule() describe "'on' Field Handlers", -> numberHandler = new Handlers.NumberHandler lastHandler = new Handlers.LastHandler compareHandler = new Handlers.CompareHandler commonHandlerTest = (str, year, month, handler, expectApply, expectResult) -> applies = handler.applies str, year, month applies.should.equal expectApply, "applies" return unless applies offset = negative: true hours: 6 mins: 0 secs: 0 save = hours: 1 mins: 0 qualifier = "w" expectResult.should.equal handler.parseDate(str, year, month, qualifier, offset, save), "parseDate - #{str}" it "handles specific date fields", -> commonHandlerTest "13", 1920, 5, numberHandler, true, 13 commonHandlerTest "lastSun", 1920, 5, numberHandler, false, 0 commonHandlerTest "Fri>=8", 1920, 5, numberHandler, false, 0 it "handles last day fields (lastSun)", -> commonHandlerTest "lastSun", 1920, 9, lastHandler, true, 31 commonHandlerTest "124", 1920, 9, lastHandler, false commonHandlerTest "Sat>=1", 1920, 9, lastHandler, false it "handles compare fields (Sun>=8)", -> commonHandlerTest "Sun>=1", 1920, 9, compareHandler, true, 3 commonHandlerTest "Sun>=8", 1920, 9, compareHandler, true, 10 commonHandlerTest "Sun>=10", 1920, 9, compareHandler, true, 10 commonHandlerTest "Sun>=11", 1920, 9, compareHandler, true, 17 commonHandlerTest "13", 1920, 9, compareHandler, false commonHandlerTest "lastSun", 1920, 9, compareHandler, false it "calculates the begin time in UTC without daylight savings offset", -> # Chicago zone (-5 Hour Offset) and no save state. rule.forZone chiZone.offset expected = helpers.Time.MakeDateFromParts rule.from, 0, 1 expected = helpers.Time.ApplyOffset expected, chiZone.offset rule.fromUTC.should.equal expected, "Chi - No Save State" it "calculates the end time in UTC with daylight savings offset", -> rule.forZone chiZone.offset expected = helpers.Time.MakeDateFromParts rule.from, 11, 31, 23, 59, 59, 999 expected = helpers.Time.ApplyOffset expected, chiZone.offset rule.toUTC.should.equal expected, "Chi - No Save State" describe "Sets", -> rules = [ new OlsonRule("Chicago", "1920", "only", "-", "Jun", "13", "2:00", "1:00", "D"), new OlsonRule("Chicago", "1920", "1921", "-", "Oct", "lastSun", "2:00", "0", "S"), new OlsonRule("Chicago", "1921", "only", "-", "Mar", "lastSun", "2:00", "1:00", "D"), new OlsonRule("Chicago", "1922", "1922", "-", "Apr", "lastSun", "2:00", "1:00", "D"), new OlsonRule("Chicago", "1922", "1922", "-", "Sep", "lastSun", "2:00", "0", "S"), new OlsonRule("Chicago", "1925", "1955", "-", "Oct", "lastSun", "2:00", "0", "S") ] set = new OlsonRuleSet(rules, chiZone) commonWallTimeTest = (point, zone, save) -> result = set.getWallTimeForUTC point result.offset.hours.should.equal zone.offset.hours, "Offset hours" result.offset.mins.should.equal zone.offset.mins, "Offset mins" result.offset.secs.should.equal zone.offset.secs, "Offset secs" result.save.hours.should.equal save.hours result.save.mins.should.equal save.mins result.utc.should.equal point, "UTC time" expect = point expect = helpers.Time.UTCToWallTime point, result.offset, result.save result.wallTime.should.equal expect it "can tell what rules apply for a given UTC time", -> point = helpers.Time.StandardTimeToUTC chiZone.offset, 1920, 0, 1 result = set.allThatAppliesTo point result.length.should.equal 2, "length" result[0].should.equal rules[0], "first rule" result[1].should.equal rules[1], "second rule" it "can get WallTime for before rules take effect", -> # Before any rules point = helpers.Time.MakeDateFromParts 1900, 0, 1 commonWallTimeTest point, chiZone, noSaveState it "can get WallTime for beginning of year", -> # Beginning of year with 2 rules. point = helpers.Time.MakeDateFromParts 1920, 0, 1 commonWallTimeTest point, chiZone, noSaveState it "can get WallTime for before dst rule takes effect", -> # Immediately before the dst rule point = helpers.Time.StandardTimeToUTC chiZone.offset, 1920, 5, 13, 1, 59, 59 commonWallTimeTest point, chiZone, noSaveState it "can get WallTime with 1 hour saved for after dst rule", -> # Immediately after the daylight savings rule (second of) point = helpers.Time.StandardTimeToUTC chiZone.offset, 1920, 5, 13, 2, 0, 0 commonWallTimeTest point, chiZone, dstSaveState it "can get WallTime for right before switching to no dst", -> # Immediately before the dst rule expires point = helpers.Time.WallTimeToUTC chiZone.offset, dstSaveState, 1920, 9, 31, 1, 59, 59 commonWallTimeTest point, chiZone, dstSaveState it "can get WallTime for after dst expires", -> # Immediately after the dst rule expires point = helpers.Time.MakeDateFromParts 1920, 9, 31, 2, 0, 0 point = helpers.Time.ApplyOffset point, chiZone.offset point = helpers.Time.ApplySave point, dstSaveState commonWallTimeTest point, chiZone, noSaveState