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ngb-calendar.spec.ts
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ngb-calendar.spec.ts
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import {NgbCalendarGregorian} from './ngb-calendar';
import {NgbDate} from './ngb-date';
import {isBrowser} from '../test/common';
describe('ngb-calendar-gregorian', () => {
const calendar = new NgbCalendarGregorian();
it('should return todays date', () => {
const jsToday = new Date();
const today = new NgbDate(jsToday.getFullYear(), jsToday.getMonth() + 1, jsToday.getDate());
expect(calendar.getToday()).toEqual(today);
});
it('should return number of days per week', () => { expect(calendar.getDaysPerWeek()).toBe(7); });
it('should return number of weeks per month', () => { expect(calendar.getWeeksPerMonth()).toBe(6); });
it('should return months of a year', () => {
expect(calendar.getMonths()).toEqual([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]);
});
it('should return day of week', () => {
expect(calendar.getWeekday(new NgbDate(2017, 1, 2))).toBe(1); // Mon, 2 Jan 2017
expect(calendar.getWeekday(new NgbDate(2017, 1, 3))).toBe(2);
expect(calendar.getWeekday(new NgbDate(2017, 1, 4))).toBe(3);
expect(calendar.getWeekday(new NgbDate(2017, 1, 5))).toBe(4);
expect(calendar.getWeekday(new NgbDate(2017, 1, 6))).toBe(5);
expect(calendar.getWeekday(new NgbDate(2017, 1, 7))).toBe(6);
expect(calendar.getWeekday(new NgbDate(2017, 1, 8))).toBe(7); // Sun, 8 Jan 2017
});
it('should add days to date', () => {
expect(calendar.getNext(new NgbDate(2016, 12, 31))).toEqual(new NgbDate(2017, 1, 1));
expect(calendar.getNext(new NgbDate(2016, 2, 28))).toEqual(new NgbDate(2016, 2, 29));
expect(calendar.getNext(new NgbDate(2017, 2, 28))).toEqual(new NgbDate(2017, 3, 1));
});
it('should subtract days from date', () => {
expect(calendar.getPrev(new NgbDate(2017, 1, 1))).toEqual(new NgbDate(2016, 12, 31));
expect(calendar.getPrev(new NgbDate(2016, 2, 29))).toEqual(new NgbDate(2016, 2, 28));
expect(calendar.getPrev(new NgbDate(2017, 3, 1))).toEqual(new NgbDate(2017, 2, 28));
});
it('should add months to date', () => {
expect(calendar.getNext(new NgbDate(2016, 7, 22), 'm')).toEqual(new NgbDate(2016, 8, 22));
expect(calendar.getNext(new NgbDate(2016, 7, 1), 'm')).toEqual(new NgbDate(2016, 8, 1));
expect(calendar.getNext(new NgbDate(2016, 12, 22), 'm')).toEqual(new NgbDate(2017, 1, 22));
expect(calendar.getNext(new NgbDate(2016, 1, 29), 'm')).toEqual(new NgbDate(2016, 2, 29));
expect(calendar.getNext(new NgbDate(2016, 1, 30), 'm')).toEqual(new NgbDate(2016, 2, 29));
expect(calendar.getNext(new NgbDate(2016, 10, 30), 'm', 6)).toEqual(new NgbDate(2017, 4, 30));
expect(calendar.getNext(new NgbDate(2016, 10, 31), 'm', 6)).toEqual(new NgbDate(2017, 4, 30));
});
it('should subtract months from date', () => {
expect(calendar.getPrev(new NgbDate(2016, 7, 22), 'm')).toEqual(new NgbDate(2016, 6, 22));
expect(calendar.getPrev(new NgbDate(2016, 8, 1), 'm')).toEqual(new NgbDate(2016, 7, 1));
expect(calendar.getPrev(new NgbDate(2017, 1, 22), 'm')).toEqual(new NgbDate(2016, 12, 22));
expect(calendar.getPrev(new NgbDate(2016, 3, 29), 'm')).toEqual(new NgbDate(2016, 2, 29));
expect(calendar.getPrev(new NgbDate(2016, 3, 30), 'm')).toEqual(new NgbDate(2016, 2, 29));
expect(calendar.getPrev(new NgbDate(2016, 10, 30), 'm', 4)).toEqual(new NgbDate(2016, 6, 30));
expect(calendar.getPrev(new NgbDate(2016, 10, 31), 'm', 4)).toEqual(new NgbDate(2016, 6, 30));
});
it('should add years to date', () => {
expect(calendar.getNext(new NgbDate(2016, 1, 22), 'y')).toEqual(new NgbDate(2017, 1, 22));
expect(calendar.getNext(new NgbDate(2017, 12, 22), 'y')).toEqual(new NgbDate(2018, 12, 22));
expect(calendar.getNext(new NgbDate(2016, 2, 29), 'y')).toEqual(new NgbDate(2017, 2, 28));
expect(calendar.getNext(new NgbDate(2016, 2, 28), 'y')).toEqual(new NgbDate(2017, 2, 28));
expect(calendar.getNext(new NgbDate(2016, 2, 29), 'y', 4)).toEqual(new NgbDate(2020, 2, 29));
expect(calendar.getNext(new NgbDate(2016, 2, 29), 'y', 3)).toEqual(new NgbDate(2019, 2, 28));
});
it('should subtract years from date', () => {
expect(calendar.getPrev(new NgbDate(2016, 12, 22), 'y')).toEqual(new NgbDate(2015, 12, 22));
expect(calendar.getPrev(new NgbDate(2017, 1, 22), 'y')).toEqual(new NgbDate(2016, 1, 22));
expect(calendar.getPrev(new NgbDate(2016, 2, 28), 'y')).toEqual(new NgbDate(2015, 2, 28));
expect(calendar.getPrev(new NgbDate(2016, 2, 29), 'y')).toEqual(new NgbDate(2015, 2, 28));
expect(calendar.getPrev(new NgbDate(2016, 2, 29), 'y', 4)).toEqual(new NgbDate(2012, 2, 29));
expect(calendar.getPrev(new NgbDate(2016, 2, 29), 'y', 3)).toEqual(new NgbDate(2013, 2, 28));
});
it('should check that NgbDate is a valid javascript date', () => {
// invalid values
expect(calendar.isValid(null)).toBeFalsy();
expect(calendar.isValid(undefined)).toBeFalsy();
expect(calendar.isValid(<any>NaN)).toBeFalsy();
expect(calendar.isValid(<any>new Date())).toBeFalsy();
expect(calendar.isValid(new NgbDate(null, null, null))).toBeFalsy();
expect(calendar.isValid(new NgbDate(undefined, undefined, undefined))).toBeFalsy();
expect(calendar.isValid(new NgbDate(NaN, NaN, NaN))).toBeFalsy();
// min/max dates
expect(calendar.isValid(new NgbDate(275760, 9, 12))).toBeTruthy();
expect(calendar.isValid(new NgbDate(275760, 9, 14))).toBeFalsy();
expect(calendar.isValid(new NgbDate(-271821, 4, 19))).toBeFalsy();
expect(calendar.isValid(new NgbDate(-271821, 4, 21))).toBeTruthy();
// valid dates
expect(calendar.isValid(new NgbDate(2016, 8, 8))).toBeTruthy();
expect(calendar.isValid(new NgbDate(0, 0, 0))).toBeTruthy();
expect(calendar.isValid(new NgbDate(-1, -1, -1))).toBeTruthy();
});
});