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