import 'reflect-metadata';

import {
    CarouselSelectorComponent,
} from './carousel-selector.component';

const initCarouselSelectorComponent = () => {
    return new CarouselSelectorComponent();
};

describe('isSelected', () => {
    test('Returns true if the id equals the selected id', () => {
        const carouselSelectorComponent = initCarouselSelectorComponent();
        carouselSelectorComponent.selectedId = 'test';

        const result = carouselSelectorComponent.isSelected('test');

        expect(result).toBe(true);
    });

    test('Returns false if the id does not equal the selected id', () => {
        const carouselSelectorComponent = initCarouselSelectorComponent();
        carouselSelectorComponent.selectedId = 'nottest';

        const result = carouselSelectorComponent.isSelected('test');

        expect(result).toBe(false);
    });
});

describe('itemSelected', () => {
    test('Emits an id to onItemSelected', () => {
        const carouselSelectorComponent = initCarouselSelectorComponent();
        carouselSelectorComponent.onItemSelected.emit = jest.fn();

        carouselSelectorComponent.itemSelected('10');

        expect(carouselSelectorComponent.onItemSelected.emit)
            .toHaveBeenCalledWith('10');
    });
});