const APP = (() => {
  var userData = null;
  const myURL = "http://stackoverflow.com";
  const getData = () => {
    $.ajax({
      type: "GET",
      url: myURL,
      success: obj.handleSuccess,
      error: obj.handleError,
    });
  };
  const handleError = () => {
    console.log("ERROR");
  };
  const handleSuccess = (data) => {
    userData = data;
    console.log(userData);
  };
  const render = () => {
    return "<div>some stuff</div>";
  };
  const obj = {
    getData,
    handleError,
    handleSuccess,
    render,
  };
  return obj;
})();
module.exports = APP;


const APP = require("../ajax");
describe("Ajax", () => {
  beforeEach(() => {
    jest.restoreAllMocks();
  });
  it("Data should load", () => {
    const ajaxSpy = jest.spyOn($, "ajax");
    APP.getData();
    expect(ajaxSpy).toBeCalledWith({
      type: "GET",
      url: "http://stackoverflow.com",
      success: expect.any(Function),
      error: expect.any(Function),
    });
  });
  it("should handle success", () => {
    const mUser = { userId: 1 };
    const logSpy = jest.spyOn(console, "log");
    APP.handleSuccess(mUser);
    expect(logSpy).toBeCalledWith(mUser);
  });
  it("should handle error", () => {
    const logSpy = jest.spyOn(console, "log");
    APP.handleError();
    expect(logSpy).toBeCalledWith("ERROR");
  });
});