import { displayDate } from './datetime';
import { isToday } from './datetime';

test('should return only time for today\'s timestamp', () => {
  const today = new Date();
  const timestamp = today.getTime();
  const expectedTime = today.toLocaleTimeString(undefined, {
    hour: '2-digit',
    minute: '2-digit',
    second: '2-digit',
    hour12: true,
  });
  expect(displayDate(timestamp)).toBe(expectedTime);
});


test('should return N/A for undefined timestamp', () => {
  expect(displayDate()).toBe('N/A');
});


test('should return true for today\'s timestamp', () => {
  const today = new Date();
  const timestamp = today.setHours(0, 0, 0, 0);
  expect(isToday(timestamp)).toBe(true);
});