| import React from 'react'; |
| import { render } from 'react-testing-library'; |
| import renderer from 'react-test-renderer'; |
| import 'jest-styled-components'; |
|
|
| import Img from '../Img'; |
|
|
| describe('<Img />', () => { |
| it('should match the snapshot', () => { |
| const renderedComponent = renderer |
| .create(<Img src="http://example.com/test.jpg" alt="test" />) |
| .toJSON(); |
| expect(renderedComponent).toMatchSnapshot(); |
| }); |
|
|
| it('should have a class attribute', () => { |
| const { container } = render( |
| <Img src="http://example.com/test.jpg" alt="test" />, |
| ); |
| expect(container.querySelector('img').hasAttribute('class')).toBe(true); |
| }); |
|
|
| it('should adopt a valid attribute', () => { |
| const { container } = render( |
| <Img src="http://example.com/test.jpg" alt="test" />, |
| ); |
| expect(container.querySelector('img').alt).toEqual('test'); |
| }); |
|
|
| it('should not adopt an invalid attribute', () => { |
| const { container } = render( |
| <Img src="http://example.com/test.jpg" attribute="test" alt="test" />, |
| ); |
| expect(container.querySelector('img').getAttribute('attribute')).toBeNull(); |
| }); |
| }); |
|
|
