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import { nextTestSetup } from 'e2e-utils'
import type { Playwright } from 'next-webdriver'
const getPathname = (url: string) => {
const urlObj = new URL(url)
return urlObj.pathname
}
const createRequestsListener = async (browser: Playwright) => {
// wait for network idle
await browser.waitForIdleNetwork()
let requests = []
browser.on('request', (req) => {
requests.push([req.url(), !!req.headers()['next-router-prefetch']])
})
await browser.refresh()
return {
getRequests: () => requests,
clearRequests: () => {
requests = []
},
}
}
describe('app-prefetch-false', () => {
const { next, isNextDev } = nextTestSetup({
files: __dirname,
})
if (isNextDev) {
it.skip('should skip test in development mode', () => {})
} else {
it('should avoid double-fetching when optimistic navigation fails', async () => {
const browser = await next.browser('/foo')
const { getRequests } = await createRequestsListener(browser)
await browser.elementByCss('[href="/foo"]').click()
await browser.elementByCss('[href="/foo/bar"]').click()
console.log('getRequests()', getRequests())
expect(
getRequests().filter(([req]) => getPathname(req) === '/foo/bar').length
).toBe(1)
})
}
})
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