import sinon = require("sinon"); import assert = require("assert"); import UISelector = require("../../src/lib/totp-register/ui-selector"); import TOTPRegister = require("../../src/lib/totp-register/totp-register"); describe("test totp-register", function() { let jqueryMock: any; let windowMock: any; before(function() { jqueryMock = sinon.stub(); windowMock = { QRCode: sinon.spy() }; }); it("should create qrcode in page", function() { const mock = { text: sinon.stub(), empty: sinon.stub(), get: sinon.stub() }; jqueryMock.withArgs(UISelector.QRCODE_ID_SELECTOR).returns(mock); TOTPRegister.default(windowMock, jqueryMock); assert(mock.text.calledOnce); assert(mock.empty.calledOnce); }); });