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

117 lines
2.7 KiB

import Affix from '..'
import Button from '../../button'
import { mount } from '@vue/test-utils'
const events = {}
const AffixMounter = {
props: ['offsetBottom', 'offsetTop'],
mounted () {
this.$refs.container.addEventListener = jest.fn().mockImplementation((event, cb) => {
events[event] = cb
})
},
methods: {
getTarget () {
return this.$refs.container
},
},
render () {
return (
<div
style={{
height: '100px',
overflowY: 'scroll',
}}
ref='container'
>
<div
className='background'
style={{
paddingTop: '60px',
height: '300px',
}}
>
<Affix
target={() => this.$refs.container}
ref='affix'
{...{ props: this.$props }}
>
<Button type='primary' >
Fixed at the top of container
</Button>
</Affix>
</div>
</div>
)
},
}
describe('Affix Render', () => {
let wrapper
beforeAll(() => {
document.body.innerHTML = ''
jest.useFakeTimers()
})
afterAll(() => {
jest.useRealTimers()
})
const scrollTo = (top) => {
wrapper.vm.$refs.affix.$refs.fixedNode.parentNode.getBoundingClientRect = jest.fn(() => {
return {
bottom: 100, height: 28, left: 0, right: 0, top: 50 - top, width: 195,
}
})
wrapper.vm.$refs.container.scrollTop = top
events.scroll({
type: 'scroll',
})
jest.runAllTimers()
}
it('Anchor render perfectly', () => {
wrapper = mount(AffixMounter, { attachToDocument: true })
jest.runAllTimers()
scrollTo(0)
expect(wrapper.vm.$refs.affix.affixStyle).toBe(null)
scrollTo(100)
expect(wrapper.vm.$refs.affix.affixStyle).not.toBe(null)
scrollTo(0)
expect(wrapper.vm.$refs.affix.affixStyle).toBe(null)
})
it('support offsetBottom', () => {
wrapper = mount(AffixMounter, { attachToDocument: true, propsData: {
offsetBottom: 0,
}})
jest.runAllTimers()
scrollTo(0)
expect(wrapper.vm.$refs.affix.affixStyle).not.toBe(null)
scrollTo(100)
expect(wrapper.vm.$refs.affix.affixStyle).toBe(null)
scrollTo(0)
expect(wrapper.vm.$refs.affix.affixStyle).not.toBe(null)
})
it('updatePosition when offsetTop changed', () => {
wrapper = mount(AffixMounter, { attachToDocument: true, propsData: {
offsetTop: 0,
}})
jest.runAllTimers()
scrollTo(100)
expect(wrapper.vm.$refs.affix.affixStyle.top).toBe('0px')
wrapper.setProps({
offsetTop: 10,
})
jest.runAllTimers()
expect(wrapper.vm.$refs.affix.affixStyle.top).toBe('10px')
})
})