Asymmetrik/mean2-starter

import * as moment from 'moment';

import { UtcDateUtils } from './utc-date-utils.service';

describe('UtcDateUtils', () => {

    describe('toTimestamp', () => {
        it('handles null inputs', () => {
            expect(UtcDateUtils.toTimestamp(null)).toBe(null);
        });

        it('handles undefined inputs', () => {
            expect(UtcDateUtils.toTimestamp(undefined)).toBe(null);
        });

        it('converts date string to timestamp', () => {
            expect(UtcDateUtils.toTimestamp('2016-01-31T00:00:00.000')).toBe(1454198400000);
        });

        it('converts existing timestamps to timestamp', () => {
            expect(UtcDateUtils.toTimestamp(1454198400000)).toBe(1454198400000);
        });

        it('converts timestamp strings to timestamp', () => {
            expect(UtcDateUtils.toTimestamp('1454198400000')).toBe(1454198400000);
        });
    });

    describe('format', () => {
        it('transforms date string to requested format', () => {
            expect(UtcDateUtils.format('2016-01-31T00:00:00.000', 'dddd, MMMM Do YYYY, h:mm:ss a')).toBe('Sunday, January 31st 2016, 12:00:00 am');
        });

        it('transforms date string to default format if no format is specified', () => {
            expect(UtcDateUtils.format('2016-01-31T00:00:00.000')).toBe('2016-01-31 00:00:00Z');
        });

        it('transforms milliseconds date to default format if no format is specified', () => {
            expect(UtcDateUtils.format(1492440722873)).toBe('2017-04-17 14:52:02Z');
        });

        it('transforms milliseconds string to default format if no format is specified', () => {
            expect(UtcDateUtils.format('1492440722873')).toBe('2017-04-17 14:52:02Z');
        });

        it('transforms milliseconds date to requested format', () => {
            expect(UtcDateUtils.format(1492440722873, 'dddd, MMMM Do YYYY, h:mm:ss a')).toBe('Monday, April 17th 2017, 2:52:02 pm');
        });

        it('transforms moment date to requested format', () => {
            expect(UtcDateUtils.format(moment(1492440722873).utc(), 'dddd, MMMM Do YYYY')).toBe('Monday, April 17th 2017');
        });

        it('returns dash if input is invalid', () => {
            expect(UtcDateUtils.format('gibberish')).toBe('-');
        });

        it('returns dash if input is null', () => {
            expect(UtcDateUtils.format(null)).toBe('-');
        });

        it('returns dash if input is undefined', () => {
            expect(UtcDateUtils.format(undefined)).toBe('-');
        });
    });
});