703 lines
21 KiB
TypeScript
703 lines
21 KiB
TypeScript
import {
|
|
createSSRApp,
|
|
h,
|
|
ref,
|
|
nextTick,
|
|
VNode,
|
|
Teleport,
|
|
createStaticVNode,
|
|
Suspense,
|
|
onMounted,
|
|
defineAsyncComponent,
|
|
defineComponent
|
|
} from '@vue/runtime-dom'
|
|
import { renderToString, SSRContext } from '@vue/server-renderer'
|
|
|
|
function mountWithHydration(html: string, render: () => any) {
|
|
const container = document.createElement('div')
|
|
container.innerHTML = html
|
|
const app = createSSRApp({
|
|
render
|
|
})
|
|
return {
|
|
vnode: app.mount(container).$.subTree as VNode<Node, Element> & {
|
|
el: Element
|
|
},
|
|
container
|
|
}
|
|
}
|
|
|
|
const triggerEvent = (type: string, el: Element) => {
|
|
const event = new Event(type)
|
|
el.dispatchEvent(event)
|
|
}
|
|
|
|
describe('SSR hydration', () => {
|
|
beforeEach(() => {
|
|
document.body.innerHTML = ''
|
|
})
|
|
|
|
test('text', async () => {
|
|
const msg = ref('foo')
|
|
const { vnode, container } = mountWithHydration('foo', () => msg.value)
|
|
expect(vnode.el).toBe(container.firstChild)
|
|
expect(container.textContent).toBe('foo')
|
|
msg.value = 'bar'
|
|
await nextTick()
|
|
expect(container.textContent).toBe('bar')
|
|
})
|
|
|
|
test('comment', () => {
|
|
const { vnode, container } = mountWithHydration('<!---->', () => null)
|
|
expect(vnode.el).toBe(container.firstChild)
|
|
expect(vnode.el.nodeType).toBe(8) // comment
|
|
})
|
|
|
|
test('static', () => {
|
|
const html = '<div><span>hello</span></div>'
|
|
const { vnode, container } = mountWithHydration(html, () =>
|
|
createStaticVNode('', 1)
|
|
)
|
|
expect(vnode.el).toBe(container.firstChild)
|
|
expect(vnode.el.outerHTML).toBe(html)
|
|
expect(vnode.anchor).toBe(container.firstChild)
|
|
expect(vnode.children).toBe(html)
|
|
})
|
|
|
|
test('static (multiple elements)', () => {
|
|
const staticContent = '<div></div><span>hello</span>'
|
|
const html = `<div><div>hi</div>` + staticContent + `<div>ho</div></div>`
|
|
|
|
const n1 = h('div', 'hi')
|
|
const s = createStaticVNode('', 2)
|
|
const n2 = h('div', 'ho')
|
|
|
|
const { container } = mountWithHydration(html, () => h('div', [n1, s, n2]))
|
|
|
|
const div = container.firstChild!
|
|
|
|
expect(n1.el).toBe(div.firstChild)
|
|
expect(n2.el).toBe(div.lastChild)
|
|
expect(s.el).toBe(div.childNodes[1])
|
|
expect(s.anchor).toBe(div.childNodes[2])
|
|
expect(s.children).toBe(staticContent)
|
|
})
|
|
|
|
test('element with text children', async () => {
|
|
const msg = ref('foo')
|
|
const { vnode, container } = mountWithHydration(
|
|
'<div class="foo">foo</div>',
|
|
() => h('div', { class: msg.value }, msg.value)
|
|
)
|
|
expect(vnode.el).toBe(container.firstChild)
|
|
expect(container.firstChild!.textContent).toBe('foo')
|
|
msg.value = 'bar'
|
|
await nextTick()
|
|
expect(container.innerHTML).toBe(`<div class="bar">bar</div>`)
|
|
})
|
|
|
|
test('element with elements children', async () => {
|
|
const msg = ref('foo')
|
|
const fn = jest.fn()
|
|
const { vnode, container } = mountWithHydration(
|
|
'<div><span>foo</span><span class="foo"></span></div>',
|
|
() =>
|
|
h('div', [
|
|
h('span', msg.value),
|
|
h('span', { class: msg.value, onClick: fn })
|
|
])
|
|
)
|
|
expect(vnode.el).toBe(container.firstChild)
|
|
expect((vnode.children as VNode[])[0].el).toBe(
|
|
container.firstChild!.childNodes[0]
|
|
)
|
|
expect((vnode.children as VNode[])[1].el).toBe(
|
|
container.firstChild!.childNodes[1]
|
|
)
|
|
|
|
// event handler
|
|
triggerEvent('click', vnode.el.querySelector('.foo')!)
|
|
expect(fn).toHaveBeenCalled()
|
|
|
|
msg.value = 'bar'
|
|
await nextTick()
|
|
expect(vnode.el.innerHTML).toBe(`<span>bar</span><span class="bar"></span>`)
|
|
})
|
|
|
|
test('element with ref', () => {
|
|
const el = ref()
|
|
const { vnode, container } = mountWithHydration('<div></div>', () =>
|
|
h('div', { ref: el })
|
|
)
|
|
expect(vnode.el).toBe(container.firstChild)
|
|
expect(el.value).toBe(vnode.el)
|
|
})
|
|
|
|
test('Fragment', async () => {
|
|
const msg = ref('foo')
|
|
const fn = jest.fn()
|
|
const { vnode, container } = mountWithHydration(
|
|
'<div><!--[--><span>foo</span><!--[--><span class="foo"></span><!--]--><!--]--></div>',
|
|
() =>
|
|
h('div', [
|
|
[h('span', msg.value), [h('span', { class: msg.value, onClick: fn })]]
|
|
])
|
|
)
|
|
expect(vnode.el).toBe(container.firstChild)
|
|
|
|
expect(vnode.el.innerHTML).toBe(
|
|
`<!--[--><span>foo</span><!--[--><span class="foo"></span><!--]--><!--]-->`
|
|
)
|
|
|
|
// start fragment 1
|
|
const fragment1 = (vnode.children as VNode[])[0]
|
|
expect(fragment1.el).toBe(vnode.el.childNodes[0])
|
|
const fragment1Children = fragment1.children as VNode[]
|
|
|
|
// first <span>
|
|
expect(fragment1Children[0].el!.tagName).toBe('SPAN')
|
|
expect(fragment1Children[0].el).toBe(vnode.el.childNodes[1])
|
|
|
|
// start fragment 2
|
|
const fragment2 = fragment1Children[1]
|
|
expect(fragment2.el).toBe(vnode.el.childNodes[2])
|
|
const fragment2Children = fragment2.children as VNode[]
|
|
|
|
// second <span>
|
|
expect(fragment2Children[0].el!.tagName).toBe('SPAN')
|
|
expect(fragment2Children[0].el).toBe(vnode.el.childNodes[3])
|
|
|
|
// end fragment 2
|
|
expect(fragment2.anchor).toBe(vnode.el.childNodes[4])
|
|
|
|
// end fragment 1
|
|
expect(fragment1.anchor).toBe(vnode.el.childNodes[5])
|
|
|
|
// event handler
|
|
triggerEvent('click', vnode.el.querySelector('.foo')!)
|
|
expect(fn).toHaveBeenCalled()
|
|
|
|
msg.value = 'bar'
|
|
await nextTick()
|
|
expect(vnode.el.innerHTML).toBe(
|
|
`<!--[--><span>bar</span><!--[--><span class="bar"></span><!--]--><!--]-->`
|
|
)
|
|
})
|
|
|
|
test('Teleport', async () => {
|
|
const msg = ref('foo')
|
|
const fn = jest.fn()
|
|
const teleportContainer = document.createElement('div')
|
|
teleportContainer.id = 'teleport'
|
|
teleportContainer.innerHTML = `<span>foo</span><span class="foo"></span><!---->`
|
|
document.body.appendChild(teleportContainer)
|
|
|
|
const { vnode, container } = mountWithHydration(
|
|
'<!--teleport start--><!--teleport end-->',
|
|
() =>
|
|
h(Teleport, { to: '#teleport' }, [
|
|
h('span', msg.value),
|
|
h('span', { class: msg.value, onClick: fn })
|
|
])
|
|
)
|
|
|
|
expect(vnode.el).toBe(container.firstChild)
|
|
expect(vnode.anchor).toBe(container.lastChild)
|
|
|
|
expect(vnode.target).toBe(teleportContainer)
|
|
expect((vnode.children as VNode[])[0].el).toBe(
|
|
teleportContainer.childNodes[0]
|
|
)
|
|
expect((vnode.children as VNode[])[1].el).toBe(
|
|
teleportContainer.childNodes[1]
|
|
)
|
|
expect(vnode.targetAnchor).toBe(teleportContainer.childNodes[2])
|
|
|
|
// event handler
|
|
triggerEvent('click', teleportContainer.querySelector('.foo')!)
|
|
expect(fn).toHaveBeenCalled()
|
|
|
|
msg.value = 'bar'
|
|
await nextTick()
|
|
expect(teleportContainer.innerHTML).toBe(
|
|
`<span>bar</span><span class="bar"></span><!---->`
|
|
)
|
|
})
|
|
|
|
test('Teleport (multiple + integration)', async () => {
|
|
const msg = ref('foo')
|
|
const fn1 = jest.fn()
|
|
const fn2 = jest.fn()
|
|
|
|
const Comp = () => [
|
|
h(Teleport, { to: '#teleport2' }, [
|
|
h('span', msg.value),
|
|
h('span', { class: msg.value, onClick: fn1 })
|
|
]),
|
|
h(Teleport, { to: '#teleport2' }, [
|
|
h('span', msg.value + '2'),
|
|
h('span', { class: msg.value + '2', onClick: fn2 })
|
|
])
|
|
]
|
|
|
|
const teleportContainer = document.createElement('div')
|
|
teleportContainer.id = 'teleport2'
|
|
const ctx: SSRContext = {}
|
|
const mainHtml = await renderToString(h(Comp), ctx)
|
|
expect(mainHtml).toMatchInlineSnapshot(
|
|
`"<!--[--><!--teleport start--><!--teleport end--><!--teleport start--><!--teleport end--><!--]-->"`
|
|
)
|
|
|
|
const teleportHtml = ctx.teleports!['#teleport2']
|
|
expect(teleportHtml).toMatchInlineSnapshot(
|
|
`"<span>foo</span><span class=\\"foo\\"></span><!----><span>foo2</span><span class=\\"foo2\\"></span><!---->"`
|
|
)
|
|
|
|
teleportContainer.innerHTML = teleportHtml
|
|
document.body.appendChild(teleportContainer)
|
|
|
|
const { vnode, container } = mountWithHydration(mainHtml, Comp)
|
|
expect(vnode.el).toBe(container.firstChild)
|
|
const teleportVnode1 = (vnode.children as VNode[])[0]
|
|
const teleportVnode2 = (vnode.children as VNode[])[1]
|
|
expect(teleportVnode1.el).toBe(container.childNodes[1])
|
|
expect(teleportVnode1.anchor).toBe(container.childNodes[2])
|
|
expect(teleportVnode2.el).toBe(container.childNodes[3])
|
|
expect(teleportVnode2.anchor).toBe(container.childNodes[4])
|
|
|
|
expect(teleportVnode1.target).toBe(teleportContainer)
|
|
expect((teleportVnode1 as any).children[0].el).toBe(
|
|
teleportContainer.childNodes[0]
|
|
)
|
|
expect(teleportVnode1.targetAnchor).toBe(teleportContainer.childNodes[2])
|
|
|
|
expect(teleportVnode2.target).toBe(teleportContainer)
|
|
expect((teleportVnode2 as any).children[0].el).toBe(
|
|
teleportContainer.childNodes[3]
|
|
)
|
|
expect(teleportVnode2.targetAnchor).toBe(teleportContainer.childNodes[5])
|
|
|
|
// // event handler
|
|
triggerEvent('click', teleportContainer.querySelector('.foo')!)
|
|
expect(fn1).toHaveBeenCalled()
|
|
|
|
triggerEvent('click', teleportContainer.querySelector('.foo2')!)
|
|
expect(fn2).toHaveBeenCalled()
|
|
|
|
msg.value = 'bar'
|
|
await nextTick()
|
|
expect(teleportContainer.innerHTML).toMatchInlineSnapshot(
|
|
`"<span>bar</span><span class=\\"bar\\"></span><!----><span>bar2</span><span class=\\"bar2\\"></span><!---->"`
|
|
)
|
|
})
|
|
|
|
test('Teleport (disabled)', async () => {
|
|
const msg = ref('foo')
|
|
const fn1 = jest.fn()
|
|
const fn2 = jest.fn()
|
|
|
|
const Comp = () => [
|
|
h('div', 'foo'),
|
|
h(Teleport, { to: '#teleport3', disabled: true }, [
|
|
h('span', msg.value),
|
|
h('span', { class: msg.value, onClick: fn1 })
|
|
]),
|
|
h('div', { class: msg.value + '2', onClick: fn2 }, 'bar')
|
|
]
|
|
|
|
const teleportContainer = document.createElement('div')
|
|
teleportContainer.id = 'teleport3'
|
|
const ctx: SSRContext = {}
|
|
const mainHtml = await renderToString(h(Comp), ctx)
|
|
expect(mainHtml).toMatchInlineSnapshot(
|
|
`"<!--[--><div>foo</div><!--teleport start--><span>foo</span><span class=\\"foo\\"></span><!--teleport end--><div class=\\"foo2\\">bar</div><!--]-->"`
|
|
)
|
|
|
|
const teleportHtml = ctx.teleports!['#teleport3']
|
|
expect(teleportHtml).toMatchInlineSnapshot(`"<!---->"`)
|
|
|
|
teleportContainer.innerHTML = teleportHtml
|
|
document.body.appendChild(teleportContainer)
|
|
|
|
const { vnode, container } = mountWithHydration(mainHtml, Comp)
|
|
expect(vnode.el).toBe(container.firstChild)
|
|
const children = vnode.children as VNode[]
|
|
|
|
expect(children[0].el).toBe(container.childNodes[1])
|
|
|
|
const teleportVnode = children[1]
|
|
expect(teleportVnode.el).toBe(container.childNodes[2])
|
|
expect((teleportVnode.children as VNode[])[0].el).toBe(
|
|
container.childNodes[3]
|
|
)
|
|
expect((teleportVnode.children as VNode[])[1].el).toBe(
|
|
container.childNodes[4]
|
|
)
|
|
expect(teleportVnode.anchor).toBe(container.childNodes[5])
|
|
expect(children[2].el).toBe(container.childNodes[6])
|
|
|
|
expect(teleportVnode.target).toBe(teleportContainer)
|
|
expect(teleportVnode.targetAnchor).toBe(teleportContainer.childNodes[0])
|
|
|
|
// // event handler
|
|
triggerEvent('click', container.querySelector('.foo')!)
|
|
expect(fn1).toHaveBeenCalled()
|
|
|
|
triggerEvent('click', container.querySelector('.foo2')!)
|
|
expect(fn2).toHaveBeenCalled()
|
|
|
|
msg.value = 'bar'
|
|
await nextTick()
|
|
expect(container.innerHTML).toMatchInlineSnapshot(
|
|
`"<!--[--><div>foo</div><!--teleport start--><span>bar</span><span class=\\"bar\\"></span><!--teleport end--><div class=\\"bar2\\">bar</div><!--]-->"`
|
|
)
|
|
})
|
|
|
|
// compile SSR + client render fn from the same template & hydrate
|
|
test('full compiler integration', async () => {
|
|
const mounted: string[] = []
|
|
const log = jest.fn()
|
|
const toggle = ref(true)
|
|
|
|
const Child = {
|
|
data() {
|
|
return {
|
|
count: 0,
|
|
text: 'hello',
|
|
style: {
|
|
color: 'red'
|
|
}
|
|
}
|
|
},
|
|
mounted() {
|
|
mounted.push('child')
|
|
},
|
|
template: `
|
|
<div>
|
|
<span class="count" :style="style">{{ count }}</span>
|
|
<button class="inc" @click="count++">inc</button>
|
|
<button class="change" @click="style.color = 'green'" >change color</button>
|
|
<button class="emit" @click="$emit('foo')">emit</button>
|
|
<span class="text">{{ text }}</span>
|
|
<input v-model="text">
|
|
</div>
|
|
`
|
|
}
|
|
|
|
const App = {
|
|
setup() {
|
|
return { toggle }
|
|
},
|
|
mounted() {
|
|
mounted.push('parent')
|
|
},
|
|
template: `
|
|
<div>
|
|
<span>hello</span>
|
|
<template v-if="toggle">
|
|
<Child @foo="log('child')"/>
|
|
<template v-if="true">
|
|
<button class="parent-click" @click="log('click')">click me</button>
|
|
</template>
|
|
</template>
|
|
<span>hello</span>
|
|
</div>`,
|
|
components: {
|
|
Child
|
|
},
|
|
methods: {
|
|
log
|
|
}
|
|
}
|
|
|
|
const container = document.createElement('div')
|
|
// server render
|
|
container.innerHTML = await renderToString(h(App))
|
|
// hydrate
|
|
createSSRApp(App).mount(container)
|
|
|
|
// assert interactions
|
|
// 1. parent button click
|
|
triggerEvent('click', container.querySelector('.parent-click')!)
|
|
expect(log).toHaveBeenCalledWith('click')
|
|
|
|
// 2. child inc click + text interpolation
|
|
const count = container.querySelector('.count') as HTMLElement
|
|
expect(count.textContent).toBe(`0`)
|
|
triggerEvent('click', container.querySelector('.inc')!)
|
|
await nextTick()
|
|
expect(count.textContent).toBe(`1`)
|
|
|
|
// 3. child color click + style binding
|
|
expect(count.style.color).toBe('red')
|
|
triggerEvent('click', container.querySelector('.change')!)
|
|
await nextTick()
|
|
expect(count.style.color).toBe('green')
|
|
|
|
// 4. child event emit
|
|
triggerEvent('click', container.querySelector('.emit')!)
|
|
expect(log).toHaveBeenCalledWith('child')
|
|
|
|
// 5. child v-model
|
|
const text = container.querySelector('.text')!
|
|
const input = container.querySelector('input')!
|
|
expect(text.textContent).toBe('hello')
|
|
input.value = 'bye'
|
|
triggerEvent('input', input)
|
|
await nextTick()
|
|
expect(text.textContent).toBe('bye')
|
|
})
|
|
|
|
test('Suspense', async () => {
|
|
const AsyncChild = {
|
|
async setup() {
|
|
const count = ref(0)
|
|
return () =>
|
|
h(
|
|
'span',
|
|
{
|
|
onClick: () => {
|
|
count.value++
|
|
}
|
|
},
|
|
count.value
|
|
)
|
|
}
|
|
}
|
|
const { vnode, container } = mountWithHydration('<span>0</span>', () =>
|
|
h(Suspense, () => h(AsyncChild))
|
|
)
|
|
expect(vnode.el).toBe(container.firstChild)
|
|
// wait for hydration to finish
|
|
await new Promise(r => setTimeout(r))
|
|
triggerEvent('click', container.querySelector('span')!)
|
|
await nextTick()
|
|
expect(container.innerHTML).toBe(`<span>1</span>`)
|
|
})
|
|
|
|
test('Suspense (full integration)', async () => {
|
|
const mountedCalls: number[] = []
|
|
const asyncDeps: Promise<any>[] = []
|
|
|
|
const AsyncChild = defineComponent({
|
|
props: ['n'],
|
|
async setup(props) {
|
|
const count = ref(props.n)
|
|
onMounted(() => {
|
|
mountedCalls.push(props.n)
|
|
})
|
|
const p = new Promise(r => setTimeout(r, props.n * 10))
|
|
asyncDeps.push(p)
|
|
await p
|
|
return () =>
|
|
h(
|
|
'span',
|
|
{
|
|
onClick: () => {
|
|
count.value++
|
|
}
|
|
},
|
|
count.value
|
|
)
|
|
}
|
|
})
|
|
|
|
const done = jest.fn()
|
|
const App = {
|
|
template: `
|
|
<Suspense @resolve="done">
|
|
<AsyncChild :n="1" />
|
|
<AsyncChild :n="2" />
|
|
</Suspense>`,
|
|
components: {
|
|
AsyncChild
|
|
},
|
|
methods: {
|
|
done
|
|
}
|
|
}
|
|
|
|
const container = document.createElement('div')
|
|
// server render
|
|
container.innerHTML = await renderToString(h(App))
|
|
expect(container.innerHTML).toMatchInlineSnapshot(
|
|
`"<!--[--><span>1</span><span>2</span><!--]-->"`
|
|
)
|
|
// reset asyncDeps from ssr
|
|
asyncDeps.length = 0
|
|
// hydrate
|
|
createSSRApp(App).mount(container)
|
|
|
|
expect(mountedCalls.length).toBe(0)
|
|
expect(asyncDeps.length).toBe(2)
|
|
|
|
// wait for hydration to complete
|
|
await Promise.all(asyncDeps)
|
|
await new Promise(r => setTimeout(r))
|
|
|
|
// should flush buffered effects
|
|
expect(mountedCalls).toMatchObject([1, 2])
|
|
expect(container.innerHTML).toMatch(`<span>1</span><span>2</span>`)
|
|
|
|
const span1 = container.querySelector('span')!
|
|
triggerEvent('click', span1)
|
|
await nextTick()
|
|
expect(container.innerHTML).toMatch(`<span>2</span><span>2</span>`)
|
|
|
|
const span2 = span1.nextSibling as Element
|
|
triggerEvent('click', span2)
|
|
await nextTick()
|
|
expect(container.innerHTML).toMatch(`<span>2</span><span>3</span>`)
|
|
})
|
|
|
|
test('async component', async () => {
|
|
const spy = jest.fn()
|
|
const Comp = () =>
|
|
h(
|
|
'button',
|
|
{
|
|
onClick: spy
|
|
},
|
|
'hello!'
|
|
)
|
|
|
|
let serverResolve: any
|
|
let AsyncComp = defineAsyncComponent(
|
|
() =>
|
|
new Promise(r => {
|
|
serverResolve = r
|
|
})
|
|
)
|
|
|
|
const App = {
|
|
render() {
|
|
return ['hello', h(AsyncComp), 'world']
|
|
}
|
|
}
|
|
|
|
// server render
|
|
const htmlPromise = renderToString(h(App))
|
|
serverResolve(Comp)
|
|
const html = await htmlPromise
|
|
expect(html).toMatchInlineSnapshot(
|
|
`"<!--[-->hello<button>hello!</button>world<!--]-->"`
|
|
)
|
|
|
|
// hydration
|
|
let clientResolve: any
|
|
AsyncComp = defineAsyncComponent(
|
|
() =>
|
|
new Promise(r => {
|
|
clientResolve = r
|
|
})
|
|
)
|
|
|
|
const container = document.createElement('div')
|
|
container.innerHTML = html
|
|
createSSRApp(App).mount(container)
|
|
|
|
// hydration not complete yet
|
|
triggerEvent('click', container.querySelector('button')!)
|
|
expect(spy).not.toHaveBeenCalled()
|
|
|
|
// resolve
|
|
clientResolve(Comp)
|
|
await new Promise(r => setTimeout(r))
|
|
|
|
// should be hydrated now
|
|
triggerEvent('click', container.querySelector('button')!)
|
|
expect(spy).toHaveBeenCalled()
|
|
})
|
|
|
|
describe('mismatch handling', () => {
|
|
test('text node', () => {
|
|
const { container } = mountWithHydration(`foo`, () => 'bar')
|
|
expect(container.textContent).toBe('bar')
|
|
expect(`Hydration text mismatch`).toHaveBeenWarned()
|
|
})
|
|
|
|
test('element text content', () => {
|
|
const { container } = mountWithHydration(`<div>foo</div>`, () =>
|
|
h('div', 'bar')
|
|
)
|
|
expect(container.innerHTML).toBe('<div>bar</div>')
|
|
expect(`Hydration text content mismatch in <div>`).toHaveBeenWarned()
|
|
})
|
|
|
|
test('not enough children', () => {
|
|
const { container } = mountWithHydration(`<div></div>`, () =>
|
|
h('div', [h('span', 'foo'), h('span', 'bar')])
|
|
)
|
|
expect(container.innerHTML).toBe(
|
|
'<div><span>foo</span><span>bar</span></div>'
|
|
)
|
|
expect(`Hydration children mismatch in <div>`).toHaveBeenWarned()
|
|
})
|
|
|
|
test('too many children', () => {
|
|
const { container } = mountWithHydration(
|
|
`<div><span>foo</span><span>bar</span></div>`,
|
|
() => h('div', [h('span', 'foo')])
|
|
)
|
|
expect(container.innerHTML).toBe('<div><span>foo</span></div>')
|
|
expect(`Hydration children mismatch in <div>`).toHaveBeenWarned()
|
|
})
|
|
|
|
test('complete mismatch', () => {
|
|
const { container } = mountWithHydration(
|
|
`<div><span>foo</span><span>bar</span></div>`,
|
|
() => h('div', [h('div', 'foo'), h('p', 'bar')])
|
|
)
|
|
expect(container.innerHTML).toBe('<div><div>foo</div><p>bar</p></div>')
|
|
expect(`Hydration node mismatch`).toHaveBeenWarnedTimes(2)
|
|
})
|
|
|
|
test('fragment mismatch removal', () => {
|
|
const { container } = mountWithHydration(
|
|
`<div><!--[--><div>foo</div><div>bar</div><!--]--></div>`,
|
|
() => h('div', [h('span', 'replaced')])
|
|
)
|
|
expect(container.innerHTML).toBe('<div><span>replaced</span></div>')
|
|
expect(`Hydration node mismatch`).toHaveBeenWarned()
|
|
})
|
|
|
|
test('fragment not enough children', () => {
|
|
const { container } = mountWithHydration(
|
|
`<div><!--[--><div>foo</div><!--]--><div>baz</div></div>`,
|
|
() => h('div', [[h('div', 'foo'), h('div', 'bar')], h('div', 'baz')])
|
|
)
|
|
expect(container.innerHTML).toBe(
|
|
'<div><!--[--><div>foo</div><div>bar</div><!--]--><div>baz</div></div>'
|
|
)
|
|
expect(`Hydration node mismatch`).toHaveBeenWarned()
|
|
})
|
|
|
|
test('fragment too many children', () => {
|
|
const { container } = mountWithHydration(
|
|
`<div><!--[--><div>foo</div><div>bar</div><!--]--><div>baz</div></div>`,
|
|
() => h('div', [[h('div', 'foo')], h('div', 'baz')])
|
|
)
|
|
expect(container.innerHTML).toBe(
|
|
'<div><!--[--><div>foo</div><!--]--><div>baz</div></div>'
|
|
)
|
|
// fragment ends early and attempts to hydrate the extra <div>bar</div>
|
|
// as 2nd fragment child.
|
|
expect(`Hydration text content mismatch`).toHaveBeenWarned()
|
|
// excessive children removal
|
|
expect(`Hydration children mismatch`).toHaveBeenWarned()
|
|
})
|
|
|
|
test('Teleport target has empty children', () => {
|
|
const teleportContainer = document.createElement('div')
|
|
teleportContainer.id = 'teleport'
|
|
document.body.appendChild(teleportContainer)
|
|
|
|
mountWithHydration('<!--teleport start--><!--teleport end-->', () =>
|
|
h(Teleport, { to: '#teleport' }, [h('span', 'value')])
|
|
)
|
|
expect(teleportContainer.innerHTML).toBe(`<span>value</span>`)
|
|
expect(`Hydration children mismatch`).toHaveBeenWarned()
|
|
})
|
|
})
|
|
})
|