ant-design/components/transfer/__tests__/list.test.js

import React from 'react';
import { render, mount } from 'enzyme';
import List from '../list';
import Checkbox from '../../checkbox';

const listCommonProps = {
  prefixCls: 'ant-transfer-list',
  dataSource: [
    {
      key: 'a',
      title: 'a',
    },
    {
      key: 'b',
      title: 'b',
    },
    {
      key: 'c',
      title: 'c',
      disabled: true,
    },
  ],
  checkedKeys: ['a'],
  notFoundContent: 'Not Found',
  lazy: false,
};

describe('List', () => {
  it('should render correctly', () => {
    const wrapper = render(<List {...listCommonProps} />);
    expect(wrapper).toMatchSnapshot();
  });

  it('should check top Checkbox while all available items are checked', () => {
    const wrapper = mount(<List {...listCommonProps} checkedKeys={['a', 'b']} />);
    expect(
      wrapper
        .find('.ant-transfer-list-header')
        .find(Checkbox)
        .prop('checked'),
    ).toBeTruthy();
  });
});