import 'reflect-metadata';

import {
    StarRatingSelectorComponent,
} from './star-rating-selector.component';

const initStarRatingSelectorComponent = () => new StarRatingSelectorComponent();

describe('isASelectedStar', () => {
    test('Returns false if there is no selected star rating set', () => {
        const starRatingSelectorComponent = initStarRatingSelectorComponent();
        starRatingSelectorComponent.selectedStarRating = undefined;

        const result = starRatingSelectorComponent.isASelectedStar(3);

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

    // tslint:disable-next-line
    test('Returns false if the selected star rating set but the supplied number is greater', () => {
        const starRatingSelectorComponent = initStarRatingSelectorComponent();
        starRatingSelectorComponent.selectedStarRating = 3;

        const result = starRatingSelectorComponent.isASelectedStar(4);

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

    // tslint:disable-next-line
    test('Returns true if the selected star rating set and the supplied number is the same', () => {
        const starRatingSelectorComponent = initStarRatingSelectorComponent();
        starRatingSelectorComponent.selectedStarRating = 3;

        const result = starRatingSelectorComponent.isASelectedStar(3);

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

    // tslint:disable-next-line
    test('Returns true if the selected star rating set and the supplied number is less', () => {
        const starRatingSelectorComponent = initStarRatingSelectorComponent();
        starRatingSelectorComponent.selectedStarRating = 3;

        const result = starRatingSelectorComponent.isASelectedStar(2);

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

describe('selectRating', () => {
    test('Calls onSelectRating.emit with the supplied number', () => {
        const starRatingSelectorComponent = initStarRatingSelectorComponent();
        starRatingSelectorComponent.onSelectRating.emit = jest.fn();

        starRatingSelectorComponent.selectRating(5);

        expect(starRatingSelectorComponent.onSelectRating.emit)
            .toHaveBeenCalledWith(5);
    });
});