redux-devtools/packages/devui/tests/Button.test.js

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import React from 'react';
import { render, mount } from 'enzyme';
import { renderToJson } from 'enzyme-to-json';
import { Button } from '../src';
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describe('Button', function() {
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it('renders correctly', () => {
const wrapper = render(<Button>Text</Button>);
expect(renderToJson(wrapper)).toMatchSnapshot();
});
it('should handle the click event', () => {
const onClick = jest.fn();
const wrapper = mount(<Button onClick={onClick}>ClickMe</Button>);
wrapper.find('button').simulate('click');
expect(onClick).toBeCalled();
});
});