ant-design-vue/components/spin/__tests__/index.test.js

import { mount } from '@vue/test-utils'
import { asyncExpect } from '@/tests/utils'
import Spin from '..'

describe('Spin', () => {
  it('should only affect the spin element when set style to a nested <Spin>xx</Spin>', () => {
    const wrapper = mount({
      render () {
        return (
          <Spin style={{ background: 'red' }}>
            <div>content</div>
          </Spin>
        )
      },
    })
    expect(wrapper.html()).toMatchSnapshot()
    // expect(wrapper.findAll('.ant-spin-nested-loading').at(0).prop('style')).toBe(null)
    // expect(wrapper.findAll('.ant-spin').at(0).prop('style').background).toBe('red')
  })

  it('should render custom indicator when it\'s set', () => {
    // const customIndicator = <div className='custom-indicator' />
    const wrapper = mount(
      {
        render () {
          return (
            <Spin><div slot='indicator' class='custom-indicator' /></Spin>
          )
        },
      })
    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render with delay when it\'s mounted with spinning=true and delay', async () => {
    const props = {
      propsData: {
        delay: 500,
        spinning: true,
      },
      async: false,
    }
    const wrapper = mount(Spin, props)
    await asyncExpect(() => {
      expect(wrapper.find('.ant-spin').classes().includes('ant-spin-spinning')).toEqual(false)
    })
  })

  it('should be controlled by spinning', async () => {
    const props = {
      propsData: {
        spinning: false,
      },
      async: false,
    }
    const wrapper = mount(Spin, props)
    await asyncExpect(() => {
      expect(wrapper.vm.stateSpinning).toBe(false)
      wrapper.setProps({ spinning: true })
      expect(wrapper.vm.stateSpinning).toBe(true)
    })
  })
})