ant-design/components/checkbox/__tests__/group.test.js

import React from 'react';
import { mount, render } from 'enzyme';
import Checkbox from '../index';

describe('CheckboxGroup', () => {
  it('should work basically', () => {
    const onChange = jest.fn();
    const wrapper = mount(
      <Checkbox.Group options={['Apple', 'Pear', 'Orange']} onChange={onChange} />
    );
    wrapper.find('.ant-checkbox-input').at(0).simulate('change');
    expect(onChange).toBeCalledWith(['Apple']);
    wrapper.find('.ant-checkbox-input').at(1).simulate('change');
    expect(onChange).toBeCalledWith(['Apple', 'Pear']);
    wrapper.find('.ant-checkbox-input').at(2).simulate('change');
    expect(onChange).toBeCalledWith(['Apple', 'Pear', 'Orange']);
    wrapper.find('.ant-checkbox-input').at(1).simulate('change');
    expect(onChange).toBeCalledWith(['Apple', 'Orange']);
  });

  it('does not trigger onChange callback of both Checkbox and CheckboxGroup when CheckboxGroup is disabled', () => {
    const onChangeGroup = jest.fn();

    const options = [
      { label: 'Apple', value: 'Apple' },
      { label: 'Pear', value: 'Pear' },
    ];

    const groupWrapper = mount(
      <Checkbox.Group options={options} onChange={onChangeGroup} disabled />
    );
    groupWrapper.find('.ant-checkbox-input').at(0).simulate('change');
    expect(onChangeGroup).not.toBeCalled();
    groupWrapper.find('.ant-checkbox-input').at(1).simulate('change');
    expect(onChangeGroup).not.toBeCalled();
  });

  it('does not prevent onChange callback from Checkbox when CheckboxGroup is not disabled', () => {
    const onChangeGroup = jest.fn();

    const options = [
      { label: 'Apple', value: 'Apple' },
      { label: 'Orange', value: 'Orange', disabled: true },
    ];

    const groupWrapper = mount(
      <Checkbox.Group options={options} onChange={onChangeGroup} />
    );
    groupWrapper.find('.ant-checkbox-input').at(0).simulate('change');
    expect(onChangeGroup).toBeCalledWith(['Apple']);
    groupWrapper.find('.ant-checkbox-input').at(1).simulate('change');
    expect(onChangeGroup).toBeCalledWith(['Apple']);
  });

  it('passes prefixCls down to checkbox', () => {
    const options = [
      { label: 'Apple', value: 'Apple' },
      { label: 'Orange', value: 'Orange' },
    ];

    const wrapper = render(
      <Checkbox.Group prefixCls="my-checkbox" options={options} />
    );

    expect(wrapper).toMatchSnapshot();
  });

  it('should be controlled by value', () => {
    const options = [
      { label: 'Apple', value: 'Apple' },
      { label: 'Orange', value: 'Orange' },
    ];

    const wrapper = mount(
      <Checkbox.Group options={options} />
    );

    expect(wrapper.instance().state.value).toEqual([]);
    wrapper.setProps({ value: ['Apple'] });
    expect(wrapper.instance().state.value).toEqual(['Apple']);
  });

  // https://github.com/ant-design/ant-design/issues/12642
  it('should trigger onChange in sub Checkbox', () => {
    const onChange = jest.fn();
    const wrapper = mount(
      <Checkbox.Group>
        <Checkbox value="my" onChange={onChange} />
      </Checkbox.Group>
    );
    wrapper.find('.ant-checkbox-input').at(0).simulate('change');
    expect(onChange).toBeCalled();
    expect(onChange.mock.calls[0][0].target.value).toEqual('my');
  });
});