import React from 'react'; import { mount } from 'enzyme'; import { ThemeProvider } from 'styled-components'; import Ages from 'components/Ages'; import data from './main.json'; // @ts-ignore import theme from 'lib/theme.ts'; describe('Age graph', () => { const wrapper = mount( <ThemeProvider theme={theme}> <Ages ages={data.ageRows} /> </ThemeProvider> ); it('displays an age graph', () => { setTimeout(() => { expect(wrapper.find('.recharts-bar-rectangle').length).toBeGreaterThan(0); }, 10); }); });