// Using data.js

describe("Zipper", function() {

var zip = Zipper.zip;

beforeEach(function() {

spyOn(zip, "generateAsync").and.returnValue(new Promise( function() {} ));

});

it("adds files to the zip", function() {

spyOn(zip, "file");

Zipper.createZip(Downloader);

expect(zip.file).toHaveBeenCalled();

});

it("adds the right amount of files", function() {

spyOn(zip, "file");

Zipper.createZip(Downloader);

expect(zip.file.calls.count()).toBe(4);

});

it("gets the files names right", function() {

spyOn(zip, "file");

spyOn(Downloader, "getFile").and.returnValue("irrelevant");

Zipper.createZip(Downloader);

expect(zip.file).toHaveBeenCalledWith("index.html", "irrelevant", {binary: true});

expect(zip.file).toHaveBeenCalledWith("script.js", "irrelevant", {binary: true});

});

it("tells the downloader to download the files", function() {

spyOn(Downloader, "getFile");

Zipper.createZip(Downloader);

expect(Downloader.getFile).toHaveBeenCalled();

});

it("calls the downloader with the right urls", function() {

spyOn(Downloader, "getFile");

Zipper.createZip(Downloader);

expect(Downloader.getFile).toHaveBeenCalledWith("/js/lesson3/files/index.html");

expect(Downloader.getFile).toHaveBeenCalledWith("/js/lesson3/files/script.js");

});

it("generates a zip file", function() {

Zipper.createZip(Downloader);

expect(zip.generateAsync).toHaveBeenCalled();

});

});