vue3-yuanma/packages/vue-compat/__tests__/refInfor.spec.ts
2021-04-30 15:50:32 -04:00

58 lines
1.3 KiB
TypeScript

import Vue from '@vue/compat'
import { nextTick } from '../../runtime-core/src/scheduler'
import {
DeprecationTypes,
deprecationData,
toggleDeprecationWarning
} from '../../runtime-core/src/compat/compatConfig'
beforeEach(() => {
toggleDeprecationWarning(true)
Vue.configureCompat({
MODE: 2,
GLOBAL_MOUNT: 'suppress-warning'
})
})
afterEach(() => {
toggleDeprecationWarning(false)
Vue.configureCompat({ MODE: 3 })
})
test('V_FOR_REF', async () => {
const vm = new Vue({
data() {
return {
ok: true,
list: [1, 2, 3]
}
},
template: `
<template v-if="ok">
<li v-for="i in list" ref="list">{{ i }}</li>
</template>
`
}).$mount() as any
const mapRefs = () => vm.$refs.list.map((el: HTMLElement) => el.textContent)
expect(mapRefs()).toMatchObject(['1', '2', '3'])
expect(deprecationData[DeprecationTypes.V_FOR_REF].message).toHaveBeenWarned()
vm.list.push(4)
await nextTick()
expect(mapRefs()).toMatchObject(['1', '2', '3', '4'])
vm.list.shift()
await nextTick()
expect(mapRefs()).toMatchObject(['2', '3', '4'])
vm.ok = !vm.ok
await nextTick()
expect(mapRefs()).toMatchObject([])
vm.ok = !vm.ok
await nextTick()
expect(mapRefs()).toMatchObject(['2', '3', '4'])
})