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import { createNext, FileRef } from 'e2e-utils'
import { NextInstance } from 'e2e-utils'
import path from 'path'
import execa from 'execa'
const appDir = path.join(__dirname, 'app')
describe('next/jest', () => {
let next: NextInstance
beforeAll(async () => {
next = await createNext({
skipStart: true,
files: {
app: new FileRef(path.join(appDir, 'app')),
[`tests/index.test.tsx`]: `
import { render, screen } from '@testing-library/react'
import Page from '../app/page'
it('<Page /> renders', () => {
render(<Page />)
const logo = screen.getByRole('img')
expect(logo).toBeDefined()
})
`,
'jest.config.js': new FileRef(path.join(appDir, 'jest.config.js')),
},
dependencies: {
jest: '29.7.0',
'jest-environment-jsdom': '29.7.0',
'@testing-library/react': '15.0.2',
'@testing-library/jest-dom': '5.17.0',
},
})
})
afterAll(() => next.destroy())
it('Should not throw preload is undefined error', async () => {
const { stdout, stderr } = await execa(
'pnpm',
['jest', 'tests/index.test.tsx'],
{
cwd: next.testDir,
reject: false,
}
)
// Uncaught [TypeError: (0 , _reactdom.preload) is not a function]
expect(stdout + stderr).not.toContain('is not a function')
})
})
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