vue3-yuanma/packages/server-renderer/__tests__/render.spec.ts
2022-07-06 04:27:30 -04:00

1087 lines
28 KiB
TypeScript

/**
* @jest-environment node
*/
import {
createApp,
h,
createCommentVNode,
resolveComponent,
ComponentOptions,
ref,
defineComponent,
createTextVNode,
createStaticVNode,
withCtx,
KeepAlive,
Transition,
watchEffect,
createVNode,
resolveDynamicComponent,
renderSlot,
onErrorCaptured,
onServerPrefetch
} from 'vue'
import { escapeHtml } from '@vue/shared'
import { renderToString } from '../src/renderToString'
import { renderToNodeStream, pipeToNodeWritable } from '../src/renderToStream'
import { ssrRenderSlot, SSRSlot } from '../src/helpers/ssrRenderSlot'
import { ssrRenderComponent } from '../src/helpers/ssrRenderComponent'
import { Readable, Transform } from 'stream'
import { ssrRenderVNode } from '../src'
const promisifyStream = (stream: Readable) => {
return new Promise<string>((resolve, reject) => {
let result = ''
stream.on('data', data => {
result += data
})
stream.on('error', () => {
reject(result)
})
stream.on('end', () => {
resolve(result)
})
})
}
const renderToStream = (app: any, context?: any) => {
return promisifyStream(renderToNodeStream(app, context))
}
const pipeToWritable = (app: any, context?: any) => {
const stream = new Transform({
transform(data, _encoding, cb) {
this.push(data)
cb()
}
})
pipeToNodeWritable(app, context, stream)
return promisifyStream(stream)
}
// we run the same tests twice, once for renderToString, once for renderToStream
testRender(`renderToString`, renderToString)
testRender(`renderToNodeStream`, renderToStream)
testRender(`pipeToNodeWritable`, pipeToWritable)
function testRender(type: string, render: typeof renderToString) {
describe(`ssr: ${type}`, () => {
test('should apply app context', async () => {
const app = createApp({
render() {
const Foo = resolveComponent('foo') as ComponentOptions
return h(Foo)
}
})
app.component('foo', {
render: () => h('div', 'foo')
})
const html = await render(app)
expect(html).toBe(`<div>foo</div>`)
})
describe('components', () => {
test('vnode components', async () => {
expect(
await render(
createApp({
data() {
return { msg: 'hello' }
},
render(this: any) {
return h('div', this.msg)
}
})
)
).toBe(`<div>hello</div>`)
})
test('option components returning render from setup', async () => {
expect(
await render(
createApp({
setup() {
const msg = ref('hello')
return () => h('div', msg.value)
}
})
)
).toBe(`<div>hello</div>`)
})
test('setup components returning render from setup', async () => {
expect(
await render(
createApp(
defineComponent(() => {
const msg = ref('hello')
return () => h('div', msg.value)
})
)
)
).toBe(`<div>hello</div>`)
})
test('components using defineComponent with extends option', async () => {
expect(
await render(
createApp(
defineComponent({
extends: defineComponent({
data() {
return { msg: 'hello' }
},
render() {
return h('div', this.msg)
}
})
})
)
)
).toBe(`<div>hello</div>`)
})
test('components using defineComponent with mixins option', async () => {
expect(
await render(
createApp(
defineComponent({
mixins: [
defineComponent({
data() {
return { msg: 'hello' }
},
render() {
return h('div', this.msg)
}
})
]
})
)
)
).toBe(`<div>hello</div>`)
})
test('optimized components', async () => {
expect(
await render(
createApp({
data() {
return { msg: 'hello' }
},
ssrRender(ctx, push) {
push(`<div>${ctx.msg}</div>`)
}
})
)
).toBe(`<div>hello</div>`)
})
test('nested vnode components', async () => {
const Child = {
props: ['msg'],
render(this: any) {
return h('div', this.msg)
}
}
expect(
await render(
createApp({
render() {
return h('div', ['parent', h(Child, { msg: 'hello' })])
}
})
)
).toBe(`<div>parent<div>hello</div></div>`)
})
test('nested optimized components', async () => {
const Child = {
props: ['msg'],
ssrRender(ctx: any, push: any) {
push(`<div>${ctx.msg}</div>`)
}
}
expect(
await render(
createApp({
ssrRender(_ctx, push, parent) {
push(`<div>parent`)
push(ssrRenderComponent(Child, { msg: 'hello' }, null, parent))
push(`</div>`)
}
})
)
).toBe(`<div>parent<div>hello</div></div>`)
})
test('nested template components', async () => {
const Child = {
props: ['msg'],
template: `<div>{{ msg }}</div>`
}
const app = createApp({
template: `<div>parent<Child msg="hello" /></div>`
})
app.component('Child', Child)
expect(await render(app)).toBe(`<div>parent<div>hello</div></div>`)
})
test('template components with dynamic class attribute after static', async () => {
const app = createApp({
template: `<div><div class="child" :class="'dynamic'"></div></div>`
})
expect(await render(app)).toBe(
`<div><div class="dynamic child"></div></div>`
)
})
test('template components with dynamic class attribute before static', async () => {
const app = createApp({
template: `<div><div :class="'dynamic'" class="child"></div></div>`
})
expect(await render(app)).toBe(
`<div><div class="dynamic child"></div></div>`
)
})
test('mixing optimized / vnode / template components', async () => {
const OptimizedChild = {
props: ['msg'],
ssrRender(ctx: any, push: any) {
push(`<div>${ctx.msg}</div>`)
}
}
const VNodeChild = {
props: ['msg'],
render(this: any) {
return h('div', this.msg)
}
}
const TemplateChild = {
props: ['msg'],
template: `<div>{{ msg }}</div>`
}
expect(
await render(
createApp({
ssrRender(_ctx, push, parent) {
push(`<div>parent`)
push(
ssrRenderComponent(
OptimizedChild,
{ msg: 'opt' },
null,
parent
)
)
push(
ssrRenderComponent(VNodeChild, { msg: 'vnode' }, null, parent)
)
push(
ssrRenderComponent(
TemplateChild,
{ msg: 'template' },
null,
parent
)
)
push(`</div>`)
}
})
)
).toBe(
`<div>parent<div>opt</div><div>vnode</div><div>template</div></div>`
)
})
test('async components', async () => {
const Child = {
// should wait for resolved render context from setup()
async setup() {
return {
msg: 'hello'
}
},
ssrRender(ctx: any, push: any) {
push(`<div>${ctx.msg}</div>`)
}
}
expect(
await render(
createApp({
ssrRender(_ctx, push, parent) {
push(`<div>parent`)
push(ssrRenderComponent(Child, null, null, parent))
push(`</div>`)
}
})
)
).toBe(`<div>parent<div>hello</div></div>`)
})
test('parallel async components', async () => {
const OptimizedChild = {
props: ['msg'],
async setup(props: any) {
return {
localMsg: props.msg + '!'
}
},
ssrRender(ctx: any, push: any) {
push(`<div>${ctx.localMsg}</div>`)
}
}
const VNodeChild = {
props: ['msg'],
async setup(props: any) {
return {
localMsg: props.msg + '!'
}
},
render(this: any) {
return h('div', this.localMsg)
}
}
expect(
await render(
createApp({
ssrRender(_ctx, push, parent) {
push(`<div>parent`)
push(
ssrRenderComponent(
OptimizedChild,
{ msg: 'opt' },
null,
parent
)
)
push(
ssrRenderComponent(VNodeChild, { msg: 'vnode' }, null, parent)
)
push(`</div>`)
}
})
)
).toBe(`<div>parent<div>opt!</div><div>vnode!</div></div>`)
})
})
describe('slots', () => {
test('nested components with optimized slots', async () => {
const Child = {
props: ['msg'],
ssrRender(ctx: any, push: any, parent: any) {
push(`<div class="child">`)
ssrRenderSlot(
ctx.$slots,
'default',
{ msg: 'from slot' },
() => {
push(`fallback`)
},
push,
parent
)
push(`</div>`)
}
}
expect(
await render(
createApp({
ssrRender(_ctx, push, parent) {
push(`<div>parent`)
push(
ssrRenderComponent(
Child,
{ msg: 'hello' },
{
// optimized slot using string push
default: (({ msg }, push, _p) => {
push(`<span>${msg}</span>`)
}) as SSRSlot,
// important to avoid slots being normalized
_: 1 as any
},
parent
)
)
push(`</div>`)
}
})
)
).toBe(
`<div>parent<div class="child">` +
`<!--[--><span>from slot</span><!--]-->` +
`</div></div>`
)
// test fallback
expect(
await render(
createApp({
ssrRender(_ctx, push, parent) {
push(`<div>parent`)
push(ssrRenderComponent(Child, { msg: 'hello' }, null, parent))
push(`</div>`)
}
})
)
).toBe(
`<div>parent<div class="child"><!--[-->fallback<!--]--></div></div>`
)
})
test('nested components with vnode slots', async () => {
const Child = {
props: ['msg'],
ssrRender(ctx: any, push: any, parent: any) {
push(`<div class="child">`)
ssrRenderSlot(
ctx.$slots,
'default',
{ msg: 'from slot' },
null,
push,
parent
)
push(`</div>`)
}
}
expect(
await render(
createApp({
ssrRender(_ctx, push, parent) {
push(`<div>parent`)
push(
ssrRenderComponent(
Child,
{ msg: 'hello' },
{
// bailed slots returning raw vnodes
default: ({ msg }: any) => {
return h('span', msg)
}
},
parent
)
)
push(`</div>`)
}
})
)
).toBe(
`<div>parent<div class="child">` +
`<!--[--><span>from slot</span><!--]-->` +
`</div></div>`
)
})
test('nested components with template slots', async () => {
const Child = {
props: ['msg'],
template: `<div class="child"><slot msg="from slot"></slot></div>`
}
const app = createApp({
components: { Child },
template: `<div>parent<Child v-slot="{ msg }"><span>{{ msg }}</span></Child></div>`
})
expect(await render(app)).toBe(
`<div>parent<div class="child">` +
`<!--[--><span>from slot</span><!--]-->` +
`</div></div>`
)
})
test('nested render fn components with template slots', async () => {
const Child = {
props: ['msg'],
render(this: any) {
return h(
'div',
{
class: 'child'
},
this.$slots.default({ msg: 'from slot' })
)
}
}
const app = createApp({
template: `<div>parent<Child v-slot="{ msg }"><span>{{ msg }}</span></Child></div>`
})
app.component('Child', Child)
expect(await render(app)).toBe(
`<div>parent<div class="child">` +
// no comment anchors because slot is used directly as element children
`<span>from slot</span>` +
`</div></div>`
)
})
test('template slots forwarding', async () => {
const Child = {
template: `<div><slot/></div>`
}
const Parent = {
components: { Child },
template: `<Child><slot/></Child>`
}
const app = createApp({
components: { Parent },
template: `<Parent>hello</Parent>`
})
expect(await render(app)).toBe(
`<div><!--[--><!--[-->hello<!--]--><!--]--></div>`
)
})
test('template slots forwarding, empty slot', async () => {
const Child = {
template: `<div><slot/></div>`
}
const Parent = {
components: { Child },
template: `<Child><slot/></Child>`
}
const app = createApp({
components: { Parent },
template: `<Parent></Parent>`
})
expect(await render(app)).toBe(
// should only have a single fragment
`<div><!--[--><!--]--></div>`
)
})
test('template slots forwarding, empty slot w/ fallback', async () => {
const Child = {
template: `<div><slot>fallback</slot></div>`
}
const Parent = {
components: { Child },
template: `<Child><slot/></Child>`
}
const app = createApp({
components: { Parent },
template: `<Parent></Parent>`
})
expect(await render(app)).toBe(
// should only have a single fragment
`<div><!--[-->fallback<!--]--></div>`
)
})
})
describe('vnode element', () => {
test('props', async () => {
expect(
await render(h('div', { id: 'foo&', class: ['bar', 'baz'] }, 'hello'))
).toBe(`<div id="foo&amp;" class="bar baz">hello</div>`)
})
test('text children', async () => {
expect(await render(h('div', 'hello'))).toBe(`<div>hello</div>`)
})
test('array children', async () => {
expect(
await render(
h('div', [
'foo',
h('span', 'bar'),
[h('span', 'baz')],
createCommentVNode('qux')
])
)
).toBe(
`<div>foo<span>bar</span><!--[--><span>baz</span><!--]--><!--qux--></div>`
)
})
test('void elements', async () => {
expect(await render(h('input'))).toBe(`<input>`)
})
test('innerHTML', async () => {
expect(
await render(
h(
'div',
{
innerHTML: `<span>hello</span>`
},
'ignored'
)
)
).toBe(`<div><span>hello</span></div>`)
})
test('textContent', async () => {
expect(
await render(
h(
'div',
{
textContent: `<span>hello</span>`
},
'ignored'
)
)
).toBe(`<div>${escapeHtml(`<span>hello</span>`)}</div>`)
})
test('textarea value', async () => {
expect(
await render(
h(
'textarea',
{
value: `<span>hello</span>`
},
'ignored'
)
)
).toBe(`<textarea>${escapeHtml(`<span>hello</span>`)}</textarea>`)
})
})
describe('vnode component', () => {
test('KeepAlive', async () => {
const MyComp = {
render: () => h('p', 'hello')
}
expect(await render(h(KeepAlive, () => h(MyComp)))).toBe(`<p>hello</p>`)
})
test('Transition', async () => {
const MyComp = {
render: () => h('p', 'hello')
}
expect(await render(h(Transition, () => h(MyComp)))).toBe(
`<p>hello</p>`
)
})
})
describe('raw vnode types', () => {
test('Text', async () => {
expect(await render(createTextVNode('hello <div>'))).toBe(
`hello &lt;div&gt;`
)
})
test('Comment', async () => {
// https://www.w3.org/TR/html52/syntax.html#comments
expect(
await render(
h('div', [
createCommentVNode('>foo'),
createCommentVNode('->foo'),
createCommentVNode('<!--foo-->'),
createCommentVNode('--!>foo<!-')
])
)
).toBe(`<div><!--foo--><!--foo--><!--foo--><!--foo--></div>`)
})
test('Static', async () => {
const content = `<div id="ok">hello<span>world</span></div>`
expect(await render(createStaticVNode(content, 1))).toBe(content)
})
})
describe('scopeId', () => {
// note: here we are only testing scopeId handling for vdom serialization.
// compiled srr render functions will include scopeId directly in strings.
test('basic', async () => {
const Foo = {
__scopeId: 'data-v-test',
render() {
return h('div')
}
}
expect(await render(h(Foo))).toBe(`<div data-v-test></div>`)
})
test('with client-compiled vnode slots', async () => {
const Child = {
__scopeId: 'data-v-child',
render: function (this: any) {
return h('div', null, [renderSlot(this.$slots, 'default')])
}
}
const Parent = {
__scopeId: 'data-v-test',
render: () => {
return h(Child, null, {
default: withCtx(() => [h('span', 'slot')])
})
}
}
expect(await render(h(Parent))).toBe(
`<div data-v-child data-v-test>` +
`<!--[--><span data-v-test data-v-child-s>slot</span><!--]-->` +
`</div>`
)
})
})
describe('integration w/ compiled template', () => {
test('render', async () => {
expect(
await render(
createApp({
data() {
return { msg: 'hello' }
},
template: `<div>{{ msg }}</div>`
})
)
).toBe(`<div>hello</div>`)
})
test('handle compiler errors', async () => {
await render(
// render different content since compilation is cached
createApp({ template: `<div>${type}</` })
)
expect(
`Template compilation error: Unexpected EOF in tag.`
).toHaveBeenWarned()
expect(`Element is missing end tag`).toHaveBeenWarned()
})
})
test('serverPrefetch', async () => {
const msg = Promise.resolve('hello')
const app = createApp({
data() {
return {
msg: ''
}
},
async serverPrefetch() {
this.msg = await msg
},
render() {
return h('div', this.msg)
}
})
const html = await render(app)
expect(html).toBe(`<div>hello</div>`)
})
// #2763
test('error handling w/ async setup', async () => {
const fn = jest.fn()
const fn2 = jest.fn()
const asyncChildren = defineComponent({
async setup() {
return Promise.reject('async child error')
},
template: `<div>asyncChildren</div>`
})
const app = createApp({
name: 'App',
components: {
asyncChildren
},
template: `<div class="app"><async-children /></div>`,
errorCaptured(error) {
fn(error)
}
})
app.config.errorHandler = error => {
fn2(error)
}
const html = await renderToString(app)
expect(html).toBe(`<div class="app"><div>asyncChildren</div></div>`)
expect(fn).toHaveBeenCalledTimes(1)
expect(fn).toBeCalledWith('async child error')
expect(fn2).toHaveBeenCalledTimes(1)
expect(fn2).toBeCalledWith('async child error')
})
// https://github.com/vuejs/core/issues/3322
test('effect onInvalidate does not error', async () => {
const noop = () => {}
const app = createApp({
setup: () => {
watchEffect(onInvalidate => onInvalidate(noop))
},
render: noop
})
expect(await render(app)).toBe('<!---->')
})
// #2863
test('assets should be resolved correctly', async () => {
expect(
await render(
createApp({
components: {
A: {
ssrRender(_ctx, _push) {
_push(`<div>A</div>`)
}
},
B: {
render: () => h('div', 'B')
}
},
ssrRender(_ctx, _push, _parent) {
const A: any = resolveComponent('A')
_push(ssrRenderComponent(A, null, null, _parent))
ssrRenderVNode(
_push,
createVNode(resolveDynamicComponent('B'), null, null),
_parent
)
}
})
)
).toBe(`<div>A</div><div>B</div>`)
})
test('onServerPrefetch', async () => {
const msg = Promise.resolve('hello')
const app = createApp({
setup() {
const message = ref('')
onServerPrefetch(async () => {
message.value = await msg
})
return {
message
}
},
render() {
return h('div', this.message)
}
})
const html = await render(app)
expect(html).toBe(`<div>hello</div>`)
})
test('multiple onServerPrefetch', async () => {
const msg = Promise.resolve('hello')
const msg2 = Promise.resolve('hi')
const msg3 = Promise.resolve('bonjour')
const app = createApp({
setup() {
const message = ref('')
const message2 = ref('')
const message3 = ref('')
onServerPrefetch(async () => {
message.value = await msg
})
onServerPrefetch(async () => {
message2.value = await msg2
})
onServerPrefetch(async () => {
message3.value = await msg3
})
return {
message,
message2,
message3
}
},
render() {
return h('div', `${this.message} ${this.message2} ${this.message3}`)
}
})
const html = await render(app)
expect(html).toBe(`<div>hello hi bonjour</div>`)
})
test('onServerPrefetch are run in parallel', async () => {
const first = jest.fn(() => Promise.resolve())
const second = jest.fn(() => Promise.resolve())
let checkOther = [false, false]
let done = [false, false]
const app = createApp({
setup() {
onServerPrefetch(async () => {
checkOther[0] = done[1]
await first()
done[0] = true
})
onServerPrefetch(async () => {
checkOther[1] = done[0]
await second()
done[1] = true
})
},
render() {
return h('div', '')
}
})
await render(app)
expect(first).toHaveBeenCalled()
expect(second).toHaveBeenCalled()
expect(checkOther).toEqual([false, false])
expect(done).toEqual([true, true])
})
test('onServerPrefetch with serverPrefetch option', async () => {
const msg = Promise.resolve('hello')
const msg2 = Promise.resolve('hi')
const app = createApp({
data() {
return {
message: ''
}
},
async serverPrefetch() {
this.message = await msg
},
setup() {
const message2 = ref('')
onServerPrefetch(async () => {
message2.value = await msg2
})
return {
message2
}
},
render() {
return h('div', `${this.message} ${this.message2}`)
}
})
const html = await render(app)
expect(html).toBe(`<div>hello hi</div>`)
})
test('mixed in serverPrefetch', async () => {
const msg = Promise.resolve('hello')
const app = createApp({
data() {
return {
msg: ''
}
},
mixins: [
{
async serverPrefetch() {
this.msg = await msg
}
}
],
render() {
return h('div', this.msg)
}
})
const html = await render(app)
expect(html).toBe(`<div>hello</div>`)
})
test('many serverPrefetch', async () => {
const foo = Promise.resolve('foo')
const bar = Promise.resolve('bar')
const baz = Promise.resolve('baz')
const app = createApp({
data() {
return {
foo: '',
bar: '',
baz: ''
}
},
mixins: [
{
async serverPrefetch() {
this.foo = await foo
}
},
{
async serverPrefetch() {
this.bar = await bar
}
}
],
async serverPrefetch() {
this.baz = await baz
},
render() {
return h('div', `${this.foo}${this.bar}${this.baz}`)
}
})
const html = await render(app)
expect(html).toBe(`<div>foobarbaz</div>`)
})
test('onServerPrefetch throwing error', async () => {
let renderError: Error | null = null
let capturedError: Error | null = null
const Child = {
setup() {
onServerPrefetch(async () => {
throw new Error('An error')
})
},
render() {
return h('span')
}
}
const app = createApp({
setup() {
onErrorCaptured(e => {
capturedError = e
return false
})
},
render() {
return h('div', h(Child))
}
})
try {
await render(app)
} catch (e: any) {
renderError = e
}
expect(renderError).toBe(null)
expect((capturedError as unknown as Error).message).toBe('An error')
})
})
}