import changeExtensionTooltip from '../../assets/js/helpers/changeExtensionTooltip'; describe('changeExtensionTooltip', function() { it('should be a function', function() { expect(changeExtensionTooltip).to.be.a('function'); }); it('should change the extension tooltip', function() { // Need to attach the spy first spyOn(chrome.browserAction, 'setTitle'); changeExtensionTooltip('WakaTime'); expect(chrome.browserAction.setTitle).toHaveBeenCalledWith({title: 'Wakatime'}); // sinon.assert.calledWithMatch(chrome.browserAction.setTitle, {title: 'WakaTime'}); }); });