describe('Component vnDatePicker', () => {
    let $filter;
    let $element;
    let $ctrl;

    let today;
    today = new Date();
    today.setHours(0, 0, 0, 0);

    beforeEach(ngModule('vnCore'));

    beforeEach(angular.mock.inject(($compile, $rootScope, _$filter_) => {
        $filter = _$filter_;

        $element = $compile(`<vn-date-picker></vn-date-picker>`)($rootScope);
        $ctrl = $element.controller('vnDatePicker');
    }));

    afterEach(() => {
        $element.remove();
    });

    describe('field() setter', () => {
        it(`should display the formated the date`, () => {
            $ctrl.field = today;
            let displayed = $filter('date')(today, 'yyyy-MM-dd');

            expect($ctrl.value).toEqual(displayed);
        });
    });

    describe('onValueUpdate()', () => {
        it(`should change the picker value to selected date`, () => {
            $ctrl.value = $filter('date')(today, 'yyyy-MM-dd');
            $ctrl.input.dispatchEvent(new Event('change'));

            expect($ctrl.field).toEqual(today);
        });
    });
});