freeCodeCamp/test/server/utils/date-utils-test.js

46 lines
1.8 KiB
JavaScript

import moment from 'moment-timezone';
import { dayCount } from '../../../server/utils/date-utils';
let test = require('tape');
const PST = 'America/Los_Angeles';
test('Day count between two epochs (inclusive) calculation', function (t) {
t.plan(7);
t.equal(dayCount([
moment.utc("8/3/2015 3:00", "M/D/YYYY H:mm").valueOf(),
moment.utc("8/3/2015 2:00", "M/D/YYYY H:mm").valueOf()
]), 1, "should return 1 day given epochs of the same day");
t.equal(dayCount([
moment.utc("8/3/2015 2:00", "M/D/YYYY H:mm").valueOf(),
moment.utc("8/3/2015 2:00", "M/D/YYYY H:mm").valueOf()
]), 1, "should return 1 day given same epochs");
t.equal(dayCount([
moment.utc("8/4/2015 2:00", "M/D/YYYY H:mm").valueOf(),
moment.utc("8/3/2015 2:00", "M/D/YYYY H:mm").valueOf()
]), 2, "should return 2 days when there is a 24 hours difference between given dates");
t.equal(dayCount([
moment.utc("8/4/2015 1:00", "M/D/YYYY H:mm").valueOf(),
moment.utc("8/3/2015 23:00", "M/D/YYYY H:mm").valueOf()
]), 2, "should return 2 days when the diff is less than 24h but days are different in UTC");
t.equal(dayCount([
moment.utc("8/4/2015 1:00", "M/D/YYYY H:mm").valueOf(),
moment.utc("8/3/2015 23:00", "M/D/YYYY H:mm").valueOf()
], PST), 1, "should return 1 day when the diff is less than 24h and days are different in UTC, but given PST");
t.equal(dayCount([
moment.utc("10/27/2015 1:00", "M/D/YYYY H:mm").valueOf(),
moment.utc("5/12/1982 1:00", "M/D/YYYY H:mm").valueOf()
]), 12222, "should return correct count when there is very big period");
t.equal(dayCount([
moment.utc("8/4/2015 2:00", "M/D/YYYY H:mm").valueOf(),
moment.utc("8/3/2015 2:00", "M/D/YYYY H:mm").valueOf()
], undefined), 2, "should return 2 days when there is a 24 hours difference between dates given 'undefined' timezone");
});