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import { nextTestSetup } from 'e2e-utils'
import { retry } from 'next-test-utils'
import cheerio from 'cheerio'
describe('dev-fetch-hmr', () => {
const { next } = nextTestSetup({
files: __dirname,
})
it('should retain module level fetch patching', async () => {
const html = await next.render('/')
expect(html).toContain('monkey patching is fun')
const magicNumber = cheerio.load(html)('#magic-number').text()
const html2 = await next.render('/')
expect(html2).toContain('monkey patching is fun')
const magicNumber2 = cheerio.load(html2)('#magic-number').text()
// Module was not re-evaluated
expect(magicNumber2).toBe(magicNumber)
const update = cheerio.load(html2)('#update').text()
expect(update).toBe('touch to trigger HMR')
// trigger HMR
await next.patchFile('app/page.tsx', (content) =>
content.replace('touch to trigger HMR', 'touch to trigger HMR 2')
)
await retry(async () => {
const html3 = await next.render('/')
const update2 = cheerio.load(html3)('#update').text()
expect(update2).toBe('touch to trigger HMR 2')
const magicNumber3 = cheerio.load(html3)('#magic-number').text()
expect(html3).toContain('monkey patching is fun')
// Module was re-evaluated
expect(magicNumber3).not.toEqual(magicNumber)
})
})
})
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