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next.js/test/development/app-dir/cache-components-dev-cache-scope/cache-components-dev-cache-scope.test.ts
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first commit
2026-03-10 19:37:31 +03:30

87 lines
2.8 KiB
TypeScript

import { nextTestSetup } from 'e2e-utils'
import {
getRedboxDescription,
openRedbox,
waitForNoRedbox,
retry,
} from 'next-test-utils'
describe('Cache Components Dev Errors', () => {
const { next } = nextTestSetup({
files: __dirname,
})
it('should not show a red box error on the SSR render', async () => {
const browser = await next.browser('/cached')
await waitForNoRedbox(browser)
let latestValue = await browser.elementByCss('#value').text()
await browser.refresh()
await waitForNoRedbox(browser)
let priorValue = latestValue
latestValue = await browser.elementByCss('#value').text()
expect(latestValue).toBe(priorValue)
await browser.elementByCss('#refresh').click()
await retry(async () => {
await waitForNoRedbox(browser)
let priorValue = latestValue
latestValue = await browser.elementByCss('#value').text()
expect(latestValue).not.toBe(priorValue)
})
await browser.elementByCss('#refresh').click()
await retry(async () => {
await waitForNoRedbox(browser)
let priorValue = latestValue
latestValue = await browser.elementByCss('#value').text()
expect(latestValue).not.toBe(priorValue)
})
// TODO CI is too flakey to run tests like this b/c timing cannot be controlled.
// we need to land this so we're deactivating these assertions for now.
// you should be able to reproduce the assertions below when testing locally
// await browser.elementByCss('#reload').click()
// await retry(async () => {
// await waitForNoRedbox(browser)
// let priorValue = latestValue
// latestValue = await browser.elementByCss('#value').text()
// expect(latestValue).toBe(priorValue)
// })
// await browser.elementByCss('#reload').click()
// await retry(async () => {
// await waitForNoRedbox(browser)
// let priorValue = latestValue
// latestValue = await browser.elementByCss('#value').text()
// expect(latestValue).toBe(priorValue)
// })
// await browser.elementByCss('#refresh').click()
// await retry(async () => {
// await waitForNoRedbox(browser)
// let priorValue = latestValue
// latestValue = await browser.elementByCss('#value').text()
// expect(latestValue).not.toBe(priorValue)
// })g
})
it('should show a red box error on the SSR render when data is uncached', async () => {
let desc
const browser = await next.browser('/uncached')
await openRedbox(browser)
desc = await getRedboxDescription(browser)
expect(desc).toContain('https://nextjs.org/docs/messages/blocking-route')
await browser.refresh()
await openRedbox(browser)
desc = await getRedboxDescription(browser)
expect(desc).toContain('https://nextjs.org/docs/messages/blocking-route')
})
})