import { mountSuspended } from '@nuxt/test-utils/runtime' import { flushPromises } from '@vue/test-utils' import { describe, expect, it, vi } from 'vitest' import { Suspense } from 'vue' import { createIslandPage } from '~/packages/nuxt/src/components/runtime/server-component' vi.mock('#app/composables/error', async (og) => { return { ...(await og()), showError: vi.fn(), } }) describe('Island pages', () => { it('expect to show error', async () => { await mountSuspended({ setup () { return () => h(Suspense, {}, { default: () => h(createIslandPage('pagedontexist')), }) }, }) await flushPromises() expect(showError).toHaveBeenCalledOnce() }) })