const {expect} = require('chai') const {BrowserWindow} = require('electron').remote const {emittedOnce} = require('./events-helpers') exports.closeWindow = async (window = null, {assertSingleWindow} = {assertSingleWindow: true}) => { const windowExists = (window !== null) && !window.isDestroyed() if (windowExists) { const isClosed = emittedOnce(window, 'closed') window.setClosable(true) window.close() await isClosed } if (assertSingleWindow) { expect(BrowserWindow.getAllWindows()).to.have.lengthOf(1) } }