import { getTimeRange } from '~/logs/utils'; describe('logs/utils', () => { describe('getTimeRange', () => { const nowTimestamp = 1577836800000; const nowString = '2020-01-01T00:00:00.000Z'; beforeEach(() => { jest.spyOn(Date, 'now').mockImplementation(() => nowTimestamp); }); afterEach(() => { Date.now.mockRestore(); }); it('returns the right values', () => { expect(getTimeRange(0)).toEqual({ start: '2020-01-01T00:00:00.000Z', end: nowString, }); expect(getTimeRange(60 * 30)).toEqual({ start: '2019-12-31T23:30:00.000Z', end: nowString, }); expect(getTimeRange(60 * 60 * 24 * 7 * 1)).toEqual({ start: '2019-12-25T00:00:00.000Z', end: nowString, }); expect(getTimeRange(60 * 60 * 24 * 7 * 4)).toEqual({ start: '2019-12-04T00:00:00.000Z', end: nowString, }); }); }); });