debian-mirror-gitlab/spec/javascripts/datetime_utility_spec.js
2018-03-17 18:26:18 +05:30

172 lines
5.5 KiB
JavaScript

import * as datetimeUtility from '~/lib/utils/datetime_utility';
describe('Date time utils', () => {
describe('timeFor', () => {
it('returns `past due` when in past', () => {
const date = new Date();
date.setFullYear(date.getFullYear() - 1);
expect(
datetimeUtility.timeFor(date),
).toBe('Past due');
});
it('returns remaining time when in the future', () => {
const date = new Date();
date.setFullYear(date.getFullYear() + 1);
// Add a day to prevent a transient error. If date is even 1 second
// short of a full year, timeFor will return '11 months remaining'
date.setDate(date.getDate() + 1);
expect(
datetimeUtility.timeFor(date),
).toBe('1 year remaining');
});
});
describe('get day name', () => {
it('should return Sunday', () => {
const day = datetimeUtility.getDayName(new Date('07/17/2016'));
expect(day).toBe('Sunday');
});
it('should return Monday', () => {
const day = datetimeUtility.getDayName(new Date('07/18/2016'));
expect(day).toBe('Monday');
});
it('should return Tuesday', () => {
const day = datetimeUtility.getDayName(new Date('07/19/2016'));
expect(day).toBe('Tuesday');
});
it('should return Wednesday', () => {
const day = datetimeUtility.getDayName(new Date('07/20/2016'));
expect(day).toBe('Wednesday');
});
it('should return Thursday', () => {
const day = datetimeUtility.getDayName(new Date('07/21/2016'));
expect(day).toBe('Thursday');
});
it('should return Friday', () => {
const day = datetimeUtility.getDayName(new Date('07/22/2016'));
expect(day).toBe('Friday');
});
it('should return Saturday', () => {
const day = datetimeUtility.getDayName(new Date('07/23/2016'));
expect(day).toBe('Saturday');
});
});
describe('get day difference', () => {
it('should return 7', () => {
const firstDay = new Date('07/01/2016');
const secondDay = new Date('07/08/2016');
const difference = datetimeUtility.getDayDifference(firstDay, secondDay);
expect(difference).toBe(7);
});
it('should return 31', () => {
const firstDay = new Date('07/01/2016');
const secondDay = new Date('08/01/2016');
const difference = datetimeUtility.getDayDifference(firstDay, secondDay);
expect(difference).toBe(31);
});
it('should return 365', () => {
const firstDay = new Date('07/02/2015');
const secondDay = new Date('07/01/2016');
const difference = datetimeUtility.getDayDifference(firstDay, secondDay);
expect(difference).toBe(365);
});
});
});
describe('timeIntervalInWords', () => {
it('should return string with number of minutes and seconds', () => {
expect(datetimeUtility.timeIntervalInWords(9.54)).toEqual('9 seconds');
expect(datetimeUtility.timeIntervalInWords(1)).toEqual('1 second');
expect(datetimeUtility.timeIntervalInWords(200)).toEqual('3 minutes 20 seconds');
expect(datetimeUtility.timeIntervalInWords(6008)).toEqual('100 minutes 8 seconds');
});
});
describe('dateInWords', () => {
const date = new Date('07/01/2016');
it('should return date in words', () => {
expect(datetimeUtility.dateInWords(date)).toEqual('July 1, 2016');
});
it('should return abbreviated month name', () => {
expect(datetimeUtility.dateInWords(date, true)).toEqual('Jul 1, 2016');
});
it('should return date in words without year', () => {
expect(datetimeUtility.dateInWords(date, true, true)).toEqual('Jul 1');
});
});
describe('monthInWords', () => {
const date = new Date('2017-01-20');
it('returns month name from provided date', () => {
expect(datetimeUtility.monthInWords(date)).toBe('January');
});
it('returns abbreviated month name from provided date', () => {
expect(datetimeUtility.monthInWords(date, true)).toBe('Jan');
});
});
describe('totalDaysInMonth', () => {
it('returns number of days in a month for given date', () => {
// 1st Feb, 2016 (leap year)
expect(datetimeUtility.totalDaysInMonth(new Date(2016, 1, 1))).toBe(29);
// 1st Feb, 2017
expect(datetimeUtility.totalDaysInMonth(new Date(2017, 1, 1))).toBe(28);
// 1st Jan, 2017
expect(datetimeUtility.totalDaysInMonth(new Date(2017, 0, 1))).toBe(31);
});
});
describe('getSundays', () => {
it('returns array of dates representing all Sundays of the month', () => {
// December, 2017 (it has 5 Sundays)
const dateOfSundays = [3, 10, 17, 24, 31];
const sundays = datetimeUtility.getSundays(new Date(2017, 11, 1));
expect(sundays.length).toBe(5);
sundays.forEach((sunday, index) => {
expect(sunday.getDate()).toBe(dateOfSundays[index]);
});
});
});
describe('getTimeframeWindow', () => {
it('returns array of dates representing a timeframe based on provided length and date', () => {
const date = new Date(2018, 0, 1);
const mockTimeframe = [
new Date(2017, 9, 1),
new Date(2017, 10, 1),
new Date(2017, 11, 1),
new Date(2018, 0, 1),
new Date(2018, 1, 1),
new Date(2018, 2, 31),
];
const timeframe = datetimeUtility.getTimeframeWindow(6, date);
expect(timeframe.length).toBe(6);
timeframe.forEach((timeframeItem, index) => {
expect(timeframeItem.getFullYear() === mockTimeframe[index].getFullYear()).toBeTruthy();
expect(timeframeItem.getMonth() === mockTimeframe[index].getMonth()).toBeTruthy();
expect(timeframeItem.getDate() === mockTimeframe[index].getDate()).toBeTruthy();
});
});
});