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import { join } from 'path'
import { nextTestSetup } from 'e2e-utils'
import { assertNoRedbox } from 'next-test-utils'
// Skipped in Turbopack, will be added later.
;(process.env.IS_TURBOPACK_TEST ? describe.skip : describe)(
'Skipped in Turbopack',
() => {
describe('optimizePackageImports - mui', () => {
const { next } = nextTestSetup({
env: {
NEXT_TEST_MODE: '1',
},
files: join(__dirname, 'fixture'),
dependencies: {
'@mui/material': '5.15.15',
'@emotion/react': '11.11.1',
'@emotion/styled': '11.11.0',
},
})
it('should support MUI', async () => {
let logs = ''
next.on('stdout', (log) => {
logs += log
})
// Ensure that MUI is working
const $ = await next.render$('/mui')
expect(await $('#button').text()).toContain('button')
expect(await $('#typography').text()).toContain('typography')
const browser = await next.browser('/mui')
await assertNoRedbox(browser)
const modules = [...logs.matchAll(/\((\d+) modules\)/g)]
expect(modules.length).toBeGreaterThanOrEqual(1)
for (const [, moduleCount] of modules) {
// Ensure that the number of modules is less than 1500 - otherwise we're
// importing the entire library.
expect(parseInt(moduleCount)).toBeLessThan(1500)
}
})
})
}
)
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