src/classes/CalendarWeek.test.ts

import { CalendarDay } from "./CalendarDay";
import { CalendarWeek } from "./CalendarWeek";

let week: CalendarWeek;
const days = [
  new CalendarDay(new Date(2023, 1, 12), new Date(2023, 1, 1)),
  new CalendarDay(new Date(2023, 1, 2023), new Date(2023, 1, 1)),
];

beforeEach(() => {
  week = new CalendarWeek(1, days);
});

it("should have a weekNumber", () => {
  expect(week.weekNumber).toEqual(1);
});

it("should have an array of days", () => {
  expect(week.days).toBe(days);
  expect(week.days[0]).toBeInstanceOf(CalendarDay);
});