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

describe('Avatar Render', () => {
  it('Render long string correctly', () => {
    const wrapper = mount(Avatar, {
      slots: {
        default: 'TestString',
      },
    })
    const children = wrapper.findAll('.ant-avatar-string')
    expect(children.length).toBe(1)
  })
  it('should render fallback string correctly', async () => {
    global.document.body.innerHTML = ''
    const wrapper = mount(Avatar, {
      slots: {
        default: 'Fallback',
      },
      propsData: {
        src: 'http://error.url',
      },
      sync: false, attachToDocument: true,
    })
    wrapper.vm.setScale = jest.fn(() => { wrapper.setData({ scale: 0.5 }); wrapper.vm.$forceUpdate() })
    await asyncExpect(() => {
      wrapper.find('img').trigger('error')
    }, 0)
    await asyncExpect(() => {
      const children = wrapper.findAll('.ant-avatar-string')
      expect(children.length).toBe(1)
      expect(children.at(0).text()).toBe('Fallback')
      expect(wrapper.vm.setScale).toBeCalled()
    })
    await asyncExpect(() => {
      expect(global.document.body.querySelector('.ant-avatar-string').style.transform).toContain('scale(0.5)')
      global.document.body.innerHTML = ''
    }, 0)
  })
  it('should handle onError correctly', () => {
    global.document.body.innerHTML = ''
    const LOAD_FAILURE_SRC = 'http://error.url'
    const LOAD_SUCCESS_SRC = 'https://zos.alipayobjects.com/rmsportal/ODTLcjxAfvqbxHnVXCYX.png'

    const Foo = {
      data () {
        return {
          src: LOAD_FAILURE_SRC,
        }
      },
      methods: {
        handleImgError () {
          this.src = LOAD_SUCCESS_SRC
          return false
        },
      },

      render () {
        const { src } = this
        return <Avatar src={src} loadError={this.handleImgError} />
      },
    }

    const wrapper = mount(Foo, { attachToDocument: true })
    // mock img load Error, since jsdom do not load resource by default
    // https://github.com/jsdom/jsdom/issues/1816
    wrapper.find('img').trigger('error')

    expect(wrapper.find({ name: 'AAvatar' }).vm.isImgExist).toBe(true)
    expect(global.document.body.querySelector('img').getAttribute('src')).toBe(LOAD_SUCCESS_SRC)
  })
})