import { uniques, uniquesByAtt } from './uniques';


describe('uniques function', () => {
	it('should filter unique elements by strict equality by default', () => {
		const value = [1, 2, 3, 3, 2, 1, 4, 5, 5];
		const res = uniques(value);
		expect(res).toEqual([1, 2, 3, 4, 5]);
	});

	it('should filter unique elements using comparator function', () => {
		const value = [{ a: 3 }, { a: 2 }, { a: 5 }, { a: 2 }];
		const res = uniquesByAtt(value, 'a');
		expect(res).toEqual([{ a: 3 }, { a: 2 }, { a: 5 }]);
	});
});