vue3-yuanma/packages/runtime-core/__tests__/hooks.spec.ts
2018-11-08 12:54:11 -05:00

112 lines
2.3 KiB
TypeScript

import { useState, h, nextTick, useEffect, Component } from '../src'
import { renderInstance, serialize, triggerEvent } from '@vue/runtime-test'
describe('hooks', () => {
it('useState', async () => {
class Counter extends Component {
render() {
const [count, setCount] = useState(0)
return h(
'div',
{
onClick: () => {
setCount(count + 1)
}
},
count
)
}
}
const counter = await renderInstance(Counter)
expect(serialize(counter.$el)).toBe(`<div>0</div>`)
triggerEvent(counter.$el, 'click')
await nextTick()
expect(serialize(counter.$el)).toBe(`<div>1</div>`)
})
it('should be usable via hooks() method', async () => {
class Counter extends Component {
hooks() {
const [count, setCount] = useState(0)
return {
count,
setCount
}
}
render() {
const { count, setCount } = this as any
return h(
'div',
{
onClick: () => {
setCount(count + 1)
}
},
count
)
}
}
const counter = await renderInstance(Counter)
expect(serialize(counter.$el)).toBe(`<div>0</div>`)
triggerEvent(counter.$el, 'click')
await nextTick()
expect(serialize(counter.$el)).toBe(`<div>1</div>`)
})
it('useEffect', async () => {
let effect = -1
class Counter extends Component {
render() {
const [count, setCount] = useState(0)
useEffect(() => {
effect = count
})
return h(
'div',
{
onClick: () => {
setCount(count + 1)
}
},
count
)
}
}
const counter = await renderInstance(Counter)
expect(effect).toBe(0)
triggerEvent(counter.$el, 'click')
await nextTick()
expect(effect).toBe(1)
})
it('useEffect with empty keys', async () => {
// TODO
})
it('useEffect with keys', async () => {
// TODO
})
it('useData', () => {
// TODO
})
it('useMounted/useUnmounted/useUpdated', () => {
// TODO
})
it('useWatch', () => {
// TODO
})
it('useComputed', () => {
// TODO
})
})