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import path from 'path'
import { createNext, FileRef, NextInstance } from 'e2e-utils'
import {
fetchViaHTTP,
findPort,
initNextServerScript,
killApp,
retry,
} from 'next-test-utils'
describe('global-default-cache-handler', () => {
let appPort: number
let server: any
let output = ''
let next: NextInstance
beforeAll(async () => {
next = await createNext({
files: new FileRef(__dirname),
skipStart: true,
})
await next.build()
const standaloneServer = '.next/standalone/server.js'
await next.patchFile(
standaloneServer,
`
globalThis[Symbol.for('@next/cache-handlers')] = {
DefaultCache: {
get(cacheKey, softTags) {
console.log('symbol get', cacheKey, softTags)
},
set(cacheKey, entry) {
console.log('symbol set', cacheKey)
},
refreshTags() {
console.log('symbol refreshTags')
},
getExpiration(...tags) {
console.log('symbol getExpiration', tags)
},
expireTags(...tags) {
console.log('symbol expireTags', tags)
}
}
}
${await next.readFile(standaloneServer)}`
)
appPort = await findPort()
require('console').error(
'starting standalone mode',
path.join(next.testDir, standaloneServer)
)
server = await initNextServerScript(
path.join(next.testDir, standaloneServer),
/- Local:/,
{
...process.env,
PORT: `${appPort}`,
},
undefined,
{
cwd: next.testDir,
shouldRejectOnError: true,
onStdout(data) {
output += data
},
onStderr(data) {
output += data
},
}
)
})
afterAll(async () => {
await next.destroy()
await killApp(server)
})
it('should use global symbol for default cache handler', async () => {
const res = await fetchViaHTTP(appPort, '/')
expect(res.status).toBe(200)
await retry(() => {
expect(output).toContain('symbol get')
expect(output).toContain('symbol set')
})
})
it('should call expireTags on global default cache handler', async () => {
const res = await fetchViaHTTP(appPort, '/revalidate-tag', { tag: 'tag1' })
expect(res.status).toBe(200)
await retry(() => {
expect(output).toContain('symbol expireTags')
expect(output).toContain('tag1')
})
})
it('should call refreshTags on global default cache handler', async () => {
const res = await fetchViaHTTP(appPort, '/', {})
expect(res.status).toBe(200)
await retry(async () => {
expect(output).toContain('symbol refreshTags')
})
})
})
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