var browser = navigator.appName;
if(browser != "Microsoft Internet Explorer")
{
describe("MultiDownload", function() {

    var first, second, third, links, trigger;

    beforeEach(function() {
        first = $('<a href="download1.txt" id="first"></a>');
        second = $('<a href="download1.txt" id="first"></a>');
        third = $('<a href="download1.txt" id="first"></a>');
        trigger = $('<a href="#" id="trigger"></a>');

        links = $('<div></div>');
        links.append(first).append(second).append(third);
    });

    it('is chainable', function () {
        first.multiDownloadAdd().addClass('second-class');
        expect(first.hasClass('second-class')).toBeTruthy();

        trigger.multiDownload('click').addClass('second-class');
        expect(trigger.hasClass('second-class')).toBeTruthy();
    });

    describe("elements css classes", function() {
        it('adds multi-download-item class to download item', function () {
            first.multiDownload();
            third.multiDownloadAdd();
            expect(first.hasClass('multi-download-item')).toBeTruthy();
            expect(second.hasClass('multi-download-item')).toBeFalsy();
            expect(third.hasClass('multi-download-item')).toBeTruthy();
        });

        it("adds multi-download-trigger class to download trigger", function() {
            trigger.multiDownload('click');
            expect(trigger.hasClass('multi-download-trigger')).toBeTruthy();
        });
    });  

    describe("multiDownloadAdd", function () {
        it("adds link to download list", function () {
            first.multiDownloadAdd();
            third.multiDownloadAdd();
            expect(links.find('.multi-download-item').length).toEqual(2);
        });
    });

    describe("multiDownloadRemove", function () {
        it("removes links from download list", function () {
            first.multiDownloadAdd();
            third.multiDownloadAdd();
            first.multiDownloadRemove();
            expect(links.find('.multi-download-item').length).toEqual(1);
        });
    });

    describe("multiDownloadClear", function () {
        it("clears download links list", function () {
            first.multiDownloadAdd();
            third.multiDownloadAdd();
            first.multiDownloadClear();
            expect(links.find('.multi-download-item').length).toEqual(0);
        });
    });

    describe("iframes", function() {
        it('creates download iframes on trigger event', function () {
            first.multiDownload();
            third.multiDownloadAdd();
            trigger.multiDownload('click');
            trigger.click();

            expect(links.find('.multi-download-item').length).toEqual(2);
            expect(links.find('iframe.multi-download-frame').length).toEqual(2);
        });

        it("creates iframe with link href as src", function() {
            first.multiDownloadAdd();
            trigger.multiDownload('click');
            trigger.click();

            expect(links.find('iframe.multi-download-frame').attr('src')).toEqual(first.attr('href'));
        });

        it("removes download iframes after 1000 miliseconds by default", function() {
            first.multiDownloadAdd();
            trigger.multiDownload('click');
            runs(function () {
                trigger.click();
                expect(links.find('iframe.multi-download-frame').length).toEqual(1);
            });

            waits(1000);
            runs(function () {
                expect(links.find('iframe.multi-download-frame').length).toEqual(0);
            });
        });

        it("removes download iframes after specified delay", function() {
            first.multiDownloadAdd();
            trigger.multiDownload('click', { delay: 2000 });
            runs(function () {
                trigger.click();
                expect(links.find('iframe.multi-download-frame').length).toEqual(1);
            });

            waits(1000);
            runs(function () {
                expect(links.find('iframe.multi-download-frame').length).toEqual(1);
            });

            waits(1000);
            runs(function () {
                expect(links.find('iframe.multi-download-frame').length).toEqual(0);
            });
        });
    });  

});
}