clr-angular-static-fix/forms/datepicker/model/calendar.model.spec.ts

1. Install Clarity Icons package through npm:

/*
 * Copyright (c) 2016-2018 VMware, Inc. All Rights Reserved.
 * This software is released under MIT license.
 * The full license information can be found in LICENSE in the root directory of this project.
 */

import { CalendarModel } from './calendar.model';
import { DayModel } from './day.model';

export default function(): void {
  describe('Calendar Model', function() {
    const calendarModel1: CalendarModel = new CalendarModel(2018, 5);
    const calendarModel2: CalendarModel = new CalendarModel(2017, 1);
    const calendarModel3: CalendarModel = new CalendarModel(2018, 5);
    const dayModel1: DayModel = new DayModel(2018, 5, 25);
    const dayModel2: DayModel = new DayModel(2018, 1, 25);

    function testDaysInCalendarModel(year: number) {
      for (let i = 0; i < 12; i++) {
        const calModel: CalendarModel = new CalendarModel(year, i);
        expect(calModel.days).not.toBeFalsy();

        // Month is 0 based but date is 1 based. We go to the next month and get the 0th date
        // which is the last date of the prev month.
        const daysInMonth: number = new Date(year, i + 1, 0).getDate();
        expect(calModel.days.length).toBe(daysInMonth);
      }
    }

    it('generates an array of DayModels indicating the days in that calendar month', () => {
      testDaysInCalendarModel(2018);

      // Leap Year
      testDaysInCalendarModel(2016);
    });

    it('checks if the passed CalendarDate is in the CalendarView or not', () => {
      expect(calendarModel1.year).toBe(2018);
      expect(calendarModel1.month).toBe(5);

      expect(calendarModel1.isDayInCalendar(dayModel1)).toBe(true);
      expect(calendarModel1.isDayInCalendar(dayModel2)).toBe(false);
      expect(calendarModel1.isDayInCalendar(null)).toBe(false);
    });

    it('checks if two CalendarModels are equal', () => {
      expect(calendarModel1.isEqual(calendarModel3)).toBe(true);
      expect(calendarModel1.isEqual(calendarModel2)).toBe(false);
      expect(calendarModel1.isEqual(null)).toBe(false);
    });

    it('returns a CalendarModel from the next month', () => {
      let calModel: CalendarModel = calendarModel1;

      for (let i = 5; i < 11; i++) {
        calModel = calModel.nextMonth();
        expect(calModel.year).toBe(2018);
        expect(calModel.month).toBe(i + 1);
      }

      calModel = calModel.nextMonth();
      expect(calModel.year).toBe(2019);
      expect(calModel.month).toBe(0);
    });

    it('returns a CalendarModel from the previous month', () => {
      let calModel: CalendarModel = calendarModel1;

      for (let i = 4; i >= 0; i--) {
        calModel = calModel.previousMonth();
        expect(calModel.year).toBe(2018);
        expect(calModel.month).toBe(i);
      }

      calModel = calModel.previousMonth();
      expect(calModel.year).toBe(2017);
      expect(calModel.month).toBe(11);
    });
  });
}