describe('Directive zoomImage', () => {
    let compile;
    let scope;
    let srcDefault = 'http://default.img.jpg/';
    let srcZoom = 'http://zoom.img.jpg/';
    let findContainer;

    beforeEach(ngModule('vnCore'));

    beforeEach(angular.mock.inject(($compile, $rootScope) => {
        compile = $compile;
        scope = $rootScope.$new();
    }));

    afterEach(() => {
        if (findContainer) {
            findContainer.parentNode.removeChild(findContainer);
            findContainer = undefined;
        }
    });

    function getCompiledImage(imgHtml) {
        let element = angular.element(imgHtml);
        let compiledElement = compile(element)(scope);
        scope.$digest();
        return compiledElement;
    }

    it('should create zoom container when click into image', () => {
        let image = getCompiledImage(`<img src="${srcDefault}" zoom-image>`);
        image[0].click();

        findContainer = document.querySelector('.vn-zoom-image');

        expect(findContainer).not.toBeNull();
    });

    it('should detroy zoom container when click outside zoomed image', () => {
        let image = getCompiledImage(`<img src="${srcDefault}" zoom-image>`);
        image[0].click();

        findContainer = document.querySelector('.vn-zoom-image');
        findContainer.click();

        findContainer = document.querySelector('.vn-zoom-image');

        expect(findContainer).toBeNull();
    });

    it('should create new image, into zoom container, with src as original image src', () => {
        let image = getCompiledImage(`<img src="${srcDefault}" zoom-image>`);
        image[0].click();
        findContainer = document.querySelector('.vn-zoom-image');

        let zoomedImg = findContainer.querySelector('img');

        expect(zoomedImg.src).toEqual(srcDefault);
    });

    it('should create new image, into zoom container, with src likes zoomImage value', () => {
        let image = getCompiledImage(`<img src="${srcDefault}" zoom-image="${srcZoom}">`);
        image[0].click();
        findContainer = document.querySelector('.vn-zoom-image');

        let zoomedImg = findContainer.querySelector('img');

        expect(zoomedImg.src).toEqual(srcZoom);
    });
});