/
date.js
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/
date.js
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var should = require('should')
, time = require('../')
describe('Date', function () {
describe('constructor', function() {
it('should parse strings relative to TZ', function() {
var d = new time.Date('2012-1-12 02:00 PM', 'America/New_York')
d.getTime().should.equal(1326394800000)
d.getTimezone().should.equal('America/New_York')
d = new time.Date('2012-1-12 02:00 PM', 'America/Los_Angeles')
d.getTime().should.equal(1326405600000)
d.getTimezone().should.equal('America/Los_Angeles')
})
it('should interpret date parts relative to TZ', function() {
var d = new time.Date(2012, 0, 12, 14, 'America/New_York')
d.getTime().should.equal(1326394800000)
d.getFullYear().should.equal(2012)
d.getTimezone().should.equal('America/New_York')
d = new time.Date(2012, 0, 12, 14, 'America/Los_Angeles')
d.getTime().should.equal(1326405600000)
d.getTimezone().should.equal('America/Los_Angeles')
})
it('should accept milliseconds regardless of TZ', function() {
var d1 = new time.Date(1352005200000, 'America/New_York')
var d2 = new time.Date(1352005200000, 'America/Los_Angeles')
d1.getTime().should.equal(d2.getTime())
d1.getTimezone().should.equal('America/New_York')
d2.getTimezone().should.equal('America/Los_Angeles')
})
it('should parse strings around 2038', function() {
//Before threshold
var d = new time.Date('2037-12-31 11:59:59 PM', 'UTC')
d.getTime().should.equal(2145916799000)
//After threshold
d = new time.Date('2038-01-01 00:00:00 AM', 'UTC')
d.getTime().should.equal(2145916800000)
//Before threshold
d = new time.Date('2038-1-19 03:14:06 AM', 'UTC')
d.getTime().should.equal(2147483646000)
//After threshold
d = new time.Date('2038-1-19 03:14:07 AM', 'UTC')
d.getTime().should.equal(2147483647000)
})
})
describe('#setTimezone()', function () {
beforeEach(function () {
time.tzset('UTC')
})
it('should clean up after itself', function () {
var initial = process.env.TZ
, d = new time.Date()
d.setTimezone('America/Argentina/San_Juan')
initial.should.equal(process.env.TZ)
})
it('should be chainable', function () {
var initial = process.env.TZ
, d = new time.Date().setTimezone('America/Argentina/San_Juan')
d.getTimezone().should.equal('America/Argentina/San_Juan')
})
it('should change the "timezone offset"', function () {
var d = new time.Date()
, offset = d.getTimezoneOffset()
d.setTimezone('US/Pacific')
d.getTimezoneOffset().should.not.equal(offset)
})
it('should match the UTC values when set to "UTC"', function () {
var d = new time.Date()
d.setTimezone('UTC')
d.getUTCDay().should.equal(d.getDay())
d.getUTCDate().should.equal(d.getDate())
d.getUTCFullYear().should.equal(d.getFullYear())
d.getUTCHours().should.equal(d.getHours())
d.getUTCMilliseconds().should.equal(d.getMilliseconds())
d.getUTCMinutes().should.equal(d.getMinutes())
d.getUTCMonth().should.equal(d.getMonth())
d.getUTCSeconds().should.equal(d.getSeconds())
d.getTimezoneOffset().should.equal(0)
})
it('should especially change the "hours" value', function () {
var d = new time.Date()
, hours = d.getHours()
d.setTimezone('US/Pacific')
d.getHours().should.not.equal(hours)
hours = d.getHours()
d.setTimezone('US/Eastern')
d.getHours().should.not.equal(hours)
hours = d.getHours()
d.setTimezone('America/Argentina/San_Juan')
d.getHours().should.not.equal(hours)
})
describe('relative', function () {
it('should change the timezone', function () {
var d = new time.Date()
d.setTimezone('US/Pacific', true)
d.getTimezone().should.not.equal(process.env.TZ)
})
it('should keep local values', function () {
var d = new time.Date()
, millis = d.getMilliseconds()
, seconds = d.getSeconds()
, minutes = d.getMinutes()
, hours = d.getHours()
, date = d.getDate()
, month = d.getMonth()
, year = d.getFullYear()
d.setTimezone('US/Pacific', true)
d.getMilliseconds().should.equal(millis)
d.getSeconds().should.equal(seconds)
d.getMinutes().should.equal(minutes)
d.getHours().should.equal(hours)
d.getDate().should.equal(date)
d.getMonth().should.equal(month)
d.getFullYear().should.equal(year)
})
it('should change the date\'s internal time value', function () {
var d = new time.Date()
, old = d.getTime()
d.setTimezone('US/Pacific', true)
d.getTime().should.not.equal(old)
})
it('should calculate correctly when UTC date is day after timezone date', function () {
var forwards = {
timezone: 'US/Pacific', hour: 22, minute: 47,
year: 2013, month: 1, date: 31
};
var d = new time.Date(
forwards.year, forwards.month - 1, forwards.date,
forwards.hour, forwards.minute, 1, 1, forwards.timezone
);
d.toString().should.equal('Thu Jan 31 2013 22:47:01 GMT-0800 (PST)');
d.setTimezone('UTC');
d.toString().should.equal('Fri Feb 01 2013 06:47:01 GMT+0000 (UTC)');
})
it('should calculate correctly when UTC date is day before timezone date', function () {
var d = new time.Date(2010, 0, 31, 19, 0, 0, 0, 'UTC');
d.toString().should.equal('Sun Jan 31 2010 19:00:00 GMT+0000 (UTC)')
var backwards = {
timezone: 'Australia/Sydney', hour: 2, minute: 47,
year: 2013, month: 2, date: 1
};
var d2 = new time.Date(
backwards.year, backwards.month - 1, backwards.date,
backwards.hour, backwards.minute, 1, 1, backwards.timezone
);
d2.toString().should.equal('Fri Feb 01 2013 02:47:01 GMT+1100 (EST)');
d2.setTimezone('UTC');
d2.toString().should.equal('Thu Jan 31 2013 15:47:01 GMT+0000 (UTC)');
})
it('should calculate correctly on edge of months', function() {
var d = new time.Date("2013-02-01 01:02:03", 'US/Pacific');
d.toString().should.equal('Fri Feb 01 2013 01:02:03 GMT-0800 (PST)');
d.setTimezone('UTC');
d.toString().should.equal('Fri Feb 01 2013 09:02:03 GMT+0000 (UTC)');
})
})
})
})