ant-design/components/layout/__tests__/index.test.js

import React from 'react';
import { mount, render } from 'enzyme';
import Layout from '..';

const { Sider, Content } = Layout;

describe('Layout', () => {
  it('detect the sider as children', async () => {
    const wrapper = mount(
      <Layout>
        <Sider>Sider</Sider>
        <Content>Content</Content>
      </Layout>,
    );
    expect(wrapper.find('.ant-layout').hasClass('ant-layout-has-sider')).toBe(true);
  });

  it('detect the sider inside the children', async () => {
    const wrapper = mount(
      <Layout>
        <div>
          <Sider>Sider</Sider>
        </div>
        <Content>Content</Content>
      </Layout>,
    );
    expect(wrapper.find('.ant-layout').hasClass('ant-layout-has-sider')).toBe(true);
  });

  it('detect ant-layout-sider-has-trigger class in sider when ant-layout-sider-trigger div tag exists', async () => {
    const wrapper = mount(
      <Layout>
        <div>
          <Sider collapsible>Sider</Sider>
        </div>
        <Content>Content</Content>
      </Layout>,
    );
    expect(wrapper.find('.ant-layout-sider').hasClass('ant-layout-sider-has-trigger')).toBe(true);
  });

  it('should have 50% width of sidebar', async () => {
    const wrapper = mount(
      <Layout>
        <div>
          <Sider width="50%">Sider</Sider>
        </div>
        <Content>Content</Content>
      </Layout>,
    );
    expect(
      wrapper
        .find('.ant-layout-sider')
        .at(0)
        .prop('style').width,
    ).toBe('50%');
    expect(
      wrapper
        .find('.ant-layout-sider')
        .at(0)
        .prop('style').flex,
    ).toBe('0 0 50%');
  });

  it('detect ant-layout-sider-zero-width class in sider when its width is 0%', async () => {
    const wrapper = mount(
      <Layout>
        <div>
          <Sider width="0%">Sider</Sider>
        </div>
        <Content>Content</Content>
      </Layout>,
    );
    expect(wrapper.find('.ant-layout-sider').hasClass('ant-layout-sider-zero-width')).toBe(true);
  });

  it('detect ant-layout-sider-dark as default theme', async () => {
    const wrapper = mount(<Sider>Sider</Sider>);
    expect(wrapper.find('.ant-layout-sider').hasClass('ant-layout-sider-dark'));
  });

  it('detect ant-layout-sider-light when set light theme', async () => {
    const wrapper = mount(<Sider theme="light">Sider</Sider>);
    expect(wrapper.find('.ant-layout-sider').hasClass('ant-layout-sider-light'));
  });

  it('renders string width correctly', () => {
    const wrapper = render(<Sider width="200">Sider</Sider>);
    expect(wrapper).toMatchSnapshot();
  });

  it('should be controlled by collapsed', () => {
    const wrapper = mount(<Sider>Sider</Sider>);
    expect(wrapper.instance().state.collapsed).toBe(false);
    wrapper.setProps({ collapsed: true });
    expect(wrapper.instance().state.collapsed).toBe(true);
  });
});

describe('Sider onBreakpoint', () => {
  beforeAll(() => {
    Object.defineProperty(window, 'matchMedia', {
      value: jest.fn(() => ({
        matches: true,
        addListener: () => {},
        removeListener: () => {},
      })),
    });
  });

  it('should trigger onBreakpoint', async () => {
    const onBreakpoint = jest.fn();

    mount(
      <Sider breakpoint="md" onBreakpoint={onBreakpoint}>
        Sider
      </Sider>,
    );
    expect(onBreakpoint).toBeCalledWith(true);
  });
});