src/components/WeeklyCalendar/helpers/__test__/getFormattedWeek.spec.js
import { getFormattedWeek } from '..';
describe('getFormattedWeek', () => {
it('should return Apr 5 - 11, 2020 when date is 2020/04/05', () => {
const date = new Date(2020, 3, 5);
expect(getFormattedWeek(date)).toBe('Apr 5 - 11, 2020');
});
it('should return Mar 29 - Apr 4, 2020 when date is 2020/03/29', () => {
const date = new Date(2020, 2, 29);
expect(getFormattedWeek(date)).toBe('Mar 29 - Apr 4, 2020');
});
it('should return Dec 29, 2019 - Jan 4, 2020 when date is 2019/11/29', () => {
const date = new Date(2019, 11, 29);
expect(getFormattedWeek(date)).toBe('Dec 29, 2019 - Jan 4, 2020');
});
});