vue3-yuanma/packages/server-renderer/__tests__/ssrAttrFallthrough.spec.ts

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import { createApp } from 'vue'
import { renderToString } from '../src/renderToString'
describe('ssr: attr fallthrough', () => {
test('basic', async () => {
const Child = {
template: `<div class="foo" />`
}
const Parent = {
components: { Child },
template: `<child class="bar"/>`
}
const app = createApp(Parent)
expect(await renderToString(app)).toBe(`<div class="foo bar"></div>`)
})
test('with v-if', async () => {
const Child = {
props: ['ok'],
template: `<div v-if="ok" class="foo" /><span v-else />`
}
const Parent = {
props: ['ok'],
components: { Child },
template: `<child :ok="ok" class="bar"/>`
}
expect(await renderToString(createApp(Parent, { ok: true }))).toBe(
`<div class="foo bar"></div>`
)
expect(await renderToString(createApp(Parent, { ok: false }))).toBe(
`<span class="bar"></span>`
)
})
test('with v-model', async () => {
const Child = {
props: ['text'],
template: `<input v-model="text">`
}
const Parent = {
components: { Child },
template: `<child text="hello" class="bar"/>`
}
expect(await renderToString(createApp(Parent))).toBe(
`<input class="bar" value="hello">`
)
})
test('with v-bind', async () => {
const Child = {
props: ['obj'],
template: `<div v-bind="obj" />`
}
const Parent = {
components: { Child },
template: `<child :obj="{ class: 'foo' }" class="bar"/>`
}
expect(await renderToString(createApp(Parent))).toBe(
`<div class="foo bar"></div>`
)
})
test('nested fallthrough', async () => {
const Child = {
props: ['id'],
template: `<div :id="id"></div>`
}
const Parent = {
components: { Child },
template: `<child id="foo" class="bar"/>`
}
// pass to parent, fallthrough to child and merge
const app = createApp(Parent, { class: 'baz' })
expect(await renderToString(app)).toBe(
`<div id="foo" class="bar baz"></div>`
)
})
})