text: import React from 'react';
  import { render, mount } from 'enzyme';
  import { renderToJson } from 'enzyme-to-json';
  import Transfer from '..';
  import TransferList from '../list';
  import TransferOperation from '../operation';
  import TransferSearch from '../search';
  import TransferItem from '../item';
  import Button from '../../button';
  import Checkbox from '../../checkbox';
  
  const listCommonProps = {
    dataSource: [{
      key: 'a',
      title: 'a',
    }, {
      key: 'b',
      title: 'b',
    }, {
      key: 'c',
      title: 'c',
      disabled: true,
    }],
    selectedKeys: ['a'],
    targetKeys: ['b'],
    lazy: false,
  };
  
  describe('Transfer', () => {
    it('should render correctly', () => {
      const wrapper = render(<Transfer {...listCommonProps} />);
      expect(renderToJson(wrapper)).toMatchSnapshot();
    });
  
    it('should move selected keys to corresponding list', () => {
      const handleChange = jest.fn();
      const wrapper = mount(<Transfer {...listCommonProps} onChange={handleChange} />);
      wrapper.find(TransferOperation).find(Button).at(1).simulate('click'); // move selected keys to right list
      expect(handleChange).toHaveBeenCalledWith(['a', 'b'], 'right', ['a']);
    });
  
    it('should uncheck checkbox when click on checked item', () => {
      const handleSelectChange = jest.fn();
      const wrapper = mount(<Transfer {...listCommonProps} onSelectChange={handleSelectChange} />);
      wrapper.find(TransferItem).filterWhere(n => n.prop('item').key === 'a').simulate('click');
      expect(handleSelectChange).toHaveBeenLastCalledWith([], []);
    });
  
    it('should check checkbox when click on unchecked item', () => {
      const handleSelectChange = jest.fn();
      const wrapper = mount(<Transfer {...listCommonProps} onSelectChange={handleSelectChange} />);
      wrapper.find(TransferItem).filterWhere(n => n.prop('item').key === 'b').simulate('click');
      expect(handleSelectChange).toHaveBeenLastCalledWith(['a'], ['b']);
    });
  
    it('should not check checkbox when click on disabled item', () => {
      const handleSelectChange = jest.fn();
      const wrapper = mount(<Transfer {...listCommonProps} onSelectChange={handleSelectChange} />);
      wrapper.find(TransferItem).filterWhere(n => n.prop('item').key === 'c').simulate('click');
      expect(handleSelectChange).not.toHaveBeenCalled();
    });
  
    it('should check all item when click on check all', () => {
      const handleSelectChange = jest.fn();
      const wrapper = mount(<Transfer {...listCommonProps} onSelectChange={handleSelectChange} />);
      wrapper.find('.ant-transfer-list-header input[type="checkbox"]')
        .filterWhere(n => !n.prop('checked')).simulate('change');
      expect(handleSelectChange).toHaveBeenCalledWith(['a'], ['b']);
    });
  
    it('should uncheck all item when click on uncheck all', () => {
      const handleSelectChange = jest.fn();
      const wrapper = mount(<Transfer {...listCommonProps} onSelectChange={handleSelectChange} />);
      wrapper.find('.ant-transfer-list-header input[type="checkbox"]')
        .filterWhere(n => n.prop('checked')).simulate('change');
      expect(handleSelectChange).toHaveBeenCalledWith([], []);
    });
  
    it('should call `filterOption` when use input in search box', () => {
      const filterOption = (inputValue, option) => inputValue === option.title;
      const wrapper = mount(<Transfer {...listCommonProps} showSearch filterOption={filterOption} />);
      wrapper.find(TransferSearch).at(0).find('input').simulate('change', { target: { value: 'a' } });
      expect(wrapper.find(TransferList).at(0).find(TransferItem).find(Checkbox)).toHaveLength(1);
    });
  });
  