should = require "should" helpers = require "../lib/olson/helpers" OlsonReader = require "../lib/olson/reader" OlsonCommon = require "../lib/olson/common" OlsonZone = OlsonCommon.Zone OlsonZoneSet = OlsonCommon.ZoneSet describe "Olson Zones", -> fullZoneLine = "Zone America/Chicago\t-5:50:36 -\tLMT\t1883 Nov 18 12:09:24" static1HourZoneLine = "\t\t\t-6:00\t1:00\tC%sT\t1920" secondZoneLine = "\t\t\t-6:00\tUS\tC%sT\t1920" thirdZoneLine = "\t\t\t-6:00\tChicago\tC%sT\t1940" endZoneLine = " -6:00 US C%sT" reader = new OlsonReader processZone = (line, parentZone) -> reader.processZoneLine line, parentZone makeSet = (lines...) -> currZone = null zones = [] for line in lines newZone = processZone line, currZone zones.push newZone currZone = newZone new OlsonZoneSet zones defaultSet = -> makeSet fullZoneLine, secondZoneLine, thirdZoneLine, endZoneLine makeZone = -> new OlsonZone("America/Chicago", "-5:50:36", "-", "LMT", "1883 Nov 18 12:09:24") makeRangeZone = -> new OlsonZone("America/Chihuahua", "-7:00:00", "-", "M%sT", "1998 Apr Sun>=1 3:00") makeLastRangeZone = -> new OlsonZone("Asia/Baku", "3:00", "RussiaAsia", "AZ%sT", "1992 Sep lastSat 23:00") makeReginaZone = -> new OlsonZone("America/Regina", "-7:00", "Regina", "M%sT", "1960 Apr lastSun 2:00") it "can set the begin and end range correctly for explicit end", -> zone = makeZone() expect = helpers.Time.MakeDateFromParts 1883, 10, 18, 12, 9, 24 expect = helpers.Time.ApplyOffset expect, negative: true hours: 5 mins: 50 secs: 36 expect = helpers.Time.MakeDateFromTimeStamp(expect.getTime() - 1) zone.range.end.toUTCString().should.equal expect.toUTCString() it "can set the begin and end range correctly for end with range like Sun>=1", -> zone = makeRangeZone() expect = helpers.Time.MakeDateFromParts 1998, 3, 5, 3, 0 expect = helpers.Time.ApplyOffset expect, negative: true hours: 7 mins: 0 secs: 0 expect = helpers.Time.MakeDateFromTimeStamp(expect.getTime() - 1) zone.range.end.toUTCString().should.equal expect.toUTCString() it "can set the begin and end range correctly for end with range like lastSat", -> zone = makeLastRangeZone() expect = helpers.Time.MakeDateFromParts 1992, 8, 26, 23, 0 expect = helpers.Time.ApplyOffset expect, negative: false hours: 3 mins: 0 secs: 0 expect = helpers.Time.MakeDateFromTimeStamp(expect.getTime() - 1) zone.range.end.toUTCString().should.equal expect.toUTCString() it "can process America/Regina zones", -> zone = makeReginaZone() expect = helpers.Time.MakeDateFromParts 1960, 3, 24, 2, 0 expect = helpers.Time.ApplyOffset expect, negative: true hours: 7 mins: 0 secs: 0 expect = helpers.Time.MakeDateFromTimeStamp(expect.getTime() - 1) zone.range.end.toUTCString().should.equal expect.toUTCString() it "can process from full Zone lines with beginning having minimum date", -> zone = processZone fullZoneLine should?.exist zone?.range, "range" # Far enough for me beginYear = zone.range.begin.getUTCFullYear() # Moses time and what-not is far enough for me. beginYear.should.be.below -2000 it "can process subsequent Zone lines", -> initialZone = processZone fullZoneLine secondZone = processZone secondZoneLine, initialZone secondZone.range.begin.should.equal helpers.Time.MakeDateFromTimeStamp(initialZone.range.end.getTime() + 1), "1 -> 2 Zones" thirdZone = processZone thirdZoneLine, secondZone thirdZone.range.begin.should.equal helpers.Time.MakeDateFromTimeStamp(secondZone.range.end.getTime() + 1), "2 -> 3 Zones" endZone = processZone endZoneLine, thirdZone endZone.range.begin.should.equal helpers.Time.MakeDateFromTimeStamp(thirdZone.range.end.getTime() + 1), "3 -> 4 Zones" # Max Date endZone.range.end.getUTCFullYear().should.be.above 20000 it "can convert a time to standard time when no rule is specified", -> zoneSet = defaultSet() firstZone = zoneSet.zones[0] firstZone._rule.should.equal "-" origTime = helpers.Time.MakeDateFromParts 1880, 0, 1 standardTime = helpers.Time.UTCToStandardTime origTime, firstZone.offset resultTime = firstZone.UTCToWallTime origTime resultTime.wallTime.should.equal standardTime it "can convert a time to offset time when static offset rule is specified", -> zoneSet = makeSet fullZoneLine, static1HourZoneLine, endZoneLine staticZone = zoneSet.zones[1] staticZone._rule.should.equal "1:00" origTime = helpers.Time.MakeDateFromParts 1900, 0, 1 standardTime = helpers.Time.UTCToStandardTime origTime, staticZone.offset offsetTime = helpers.Time.ApplySave standardTime, { hours: 1, mins: 0 } resultTime = staticZone.UTCToWallTime origTime resultTime.wallTime.should.equal offsetTime it "can convert a time to offset time when a named rule is specified", -> zoneSet = defaultSet() save = hours: 1 mins: 0 namedRuleZone = zoneSet.zones[1] namedRuleZone._rule.should.equal "US" origTime = helpers.Time.MakeDateFromParts 1921, 0, 1 standardTime = helpers.Time.UTCToStandardTime origTime, namedRuleZone.offset dstTime = helpers.Time.ApplySave standardTime, save getRules = (ruleName) -> ruleName.should.equal namedRuleZone._rule [] resultTime = namedRuleZone.UTCToWallTime origTime, getRules describe "Zone Sets", -> it "can find an applicable zone by UTC date before the beginning of the zones records minimum date", -> zoneSet = defaultSet() firstZone = zoneSet.zones[0] earlyDate = firstZone.range.begin earlyDate = helpers.Days.AddToDate earlyDate, 100 foundZone = zoneSet.findApplicable earlyDate should.exist foundZone foundZone.range.begin.getTime().should.be.below earlyDate.getTime() foundZone.should.equal firstZone it "can find an applicable zone by UTC date for a continuation zone", -> zoneSet = defaultSet() secondZone = zoneSet.zones[1] dt = helpers.Days.AddToDate secondZone.range.begin, 1 foundZone = zoneSet.findApplicable dt should.exist foundZone foundZone.range.begin.getTime().should.be.below dt.getTime() foundZone.should.equal secondZone it "can find an applicable zone by UTC date for a future beyond continuations maximum date", -> zoneSet = defaultSet() lastZone = zoneSet.zones.slice(-1)[0] dt = helpers.Days.AddToDate lastZone.range.end, -1 foundZone = zoneSet.findApplicable dt should.exist foundZone foundZone.range.end.getTime().should.be.above dt.getTime() foundZone.should.equal lastZone