Nuxt/test/nuxt/nuxt-island.test.ts

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import { describe, expect, it, vi } from 'vitest'
import { h } from 'vue'
import { createServerComponent } from '../../packages/nuxt/src/components/runtime/server-component'
vi.mock('vue', async (original) => {
const vue = await original<typeof import('vue')>()
return {
...vue,
h: vi.fn(vue.h)
}
})
describe('runtime server component', () => {
it('expect no data-v- attrbutes #23051', () => {
// @ts-expect-error mock
vi.mocked(h).mockImplementation(() => null)
// @ts-expect-error test setup
createServerComponent('DummyName').setup!({
lazy: false
}, {
attrs: {
'data-v-123': '',
test: 1
},
slots: {},
emit: vi.fn(),
expose: vi.fn()
})()
expect(h).toHaveBeenCalledOnce()
if (!vi.mocked(h).mock.lastCall) { throw new Error('no last call') }
expect(vi.mocked(h).mock.lastCall![1]?.props).toBeTypeOf('object')
expect(vi.mocked(h).mock.lastCall![1]?.props).toMatchInlineSnapshot(`
{
"data-v-123": "",
"test": 1,
}
`)
})
})