@v4fire/core/src/core/prelude/date/relative/spec.js

V4Fire core library

/*!
 * V4Fire Core
 * https://github.com/V4Fire/Core
 *
 * Released under the MIT license
 * https://github.com/V4Fire/Core/blob/master/LICENSE
 */

describe('core/prelude/date/relative', () => {
	it('`relative`', () => {
		{
			const
				res = new Date().rewind({seconds: 10}).relative();

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'seconds',
				value: 10
			});

			expect(res.diff).toBeGreaterThanOrEqual((10).seconds() - 5);
		}

		{
			const
				res = new Date().rewind({minutes: 10}).relative();

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'minutes',
				value: 10
			});

			expect(res.diff).toBeGreaterThanOrEqual((10).minutes() - 5);
		}

		{
			const
				res = new Date().rewind({hours: 10}).relative();

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'hours',
				value: 10
			});

			expect(res.diff).toBeGreaterThanOrEqual((10).hours() - 5);
		}

		{
			const
				res = new Date().rewind({days: 4}).relative();

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'days',
				value: 4
			});

			expect(res.diff).toBeGreaterThanOrEqual((4).days() - 5);
		}

		{
			const
				res = new Date(Date.now() - (2).weeks()).relative();

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'weeks',
				value: 2
			});

			expect(res.diff).toBeGreaterThanOrEqual((2).weeks() - 5);
		}

		{
			const
				date = new Date().rewind({months: 2}),
				res = date.relative();

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'months',
				value: 2
			});

			expect(res.diff).toBeGreaterThanOrEqual(Date.now().valueOf() - date.valueOf() - 5);
		}

		{
			const
				date = new Date().rewind({years: 2}),
				res = date.relative();

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'years',
				value: 2
			});

			expect(res.diff).toBeGreaterThanOrEqual(Date.now().valueOf() - date.valueOf() - 5);
		}
	});

	it('Date.relative', () => {
		const
			res = Date.relative(new Date().rewind({minutes: 10}));

		expect(Object.reject(res, 'diff')).toEqual({
			type: 'minutes',
			value: 10
		});

		expect(res.diff).toBeGreaterThanOrEqual((10).minutes() - 5);
	});

	it('`relativeTo`', () => {
		{
			const
				res = new Date().rewind({seconds: 10}).relativeTo(new Date());

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'seconds',
				value: 10
			});

			expect(res.diff).toBeGreaterThanOrEqual((10).seconds() - 5);
		}

		{
			const
				res = new Date().rewind({minutes: 10}).relativeTo(new Date());

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'minutes',
				value: 10
			});

			expect(res.diff).toBeGreaterThanOrEqual((10).minutes() - 5);
		}

		{
			const
				res = new Date().rewind({hours: 10}).relativeTo(new Date());

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'hours',
				value: 10
			});

			expect(res.diff).toBeGreaterThanOrEqual((10).hours() - 5);
		}

		{
			const
				res = new Date().rewind({days: 4}).relativeTo(new Date());

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'days',
				value: 4
			});

			expect(res.diff).toBeGreaterThanOrEqual((4).days() - 5);
		}

		{
			const
				dateNow = new Date(),
				res = new Date(dateNow - (2).weeks()).relativeTo(dateNow);

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'weeks',
				value: 2
			});

			expect(res.diff).toBeGreaterThanOrEqual((2).weeks() - 5);
		}

		{
			const
				dateNow = new Date(),
				date = new Date().rewind({months: 2}),
				res = date.relativeTo(dateNow);

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'months',
				value: 2
			});

			expect(res.diff).toBeGreaterThanOrEqual(dateNow.valueOf() - date.valueOf() - 5);
		}

		{
			const
				dateNow = new Date(),
				date = new Date().rewind({years: 2}),
				res = date.relativeTo(dateNow);

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'years',
				value: 2
			});

			expect(res.diff).toBeGreaterThanOrEqual(dateNow.valueOf() - date.valueOf() - 5);
		}
	});

	it('`Date.relativeTo`', () => {
		{
			const
				res = Date.relativeTo(new Date().rewind({minutes: 10}), new Date());

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'minutes',
				value: 10
			});

			expect(res.diff).toBeGreaterThanOrEqual((10).minutes() - 5);
		}

		{
			const
				res = Date.relativeTo(new Date().rewind({minutes: 10}))(new Date());

			expect(Object.reject(res, 'diff')).toEqual({
				type: 'minutes',
				value: 10
			});

			expect(res.diff).toBeGreaterThanOrEqual((10).minutes() - 5);
		}
	});
});