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Disable cache in testmode #63265

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merged 1 commit into from
Mar 14, 2024
Merged

Disable cache in testmode #63265

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11 changes: 7 additions & 4 deletions packages/next/src/server/lib/incremental-cache/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,7 @@ export class CacheHandler {

export class IncrementalCache implements IncrementalCacheType {
dev?: boolean
disableForTestmode?: boolean
cacheHandler?: CacheHandler
hasCustomCacheHandler: boolean
prerenderManifest: PrerenderManifest
Expand Down Expand Up @@ -142,6 +143,7 @@ export class IncrementalCache implements IncrementalCacheType {
maxMemoryCacheSize = parseInt(process.env.__NEXT_TEST_MAX_ISR_CACHE, 10)
}
this.dev = dev
this.disableForTestmode = process.env.NEXT_PRIVATE_TEST_PROXY === 'true'
// this is a hack to avoid Webpack knowing this is equal to this.minimalMode
// because we replace this.minimalMode to true in production bundles.
const minimalModeKey = 'minimalMode'
Expand Down Expand Up @@ -441,9 +443,10 @@ export class IncrementalCache implements IncrementalCacheType {
// we don't leverage the prerender cache in dev mode
// so that getStaticProps is always called for easier debugging
if (
this.dev &&
(ctx.kindHint !== 'fetch' ||
this.requestHeaders['cache-control'] === 'no-cache')
this.disableForTestmode ||
(this.dev &&
(ctx.kindHint !== 'fetch' ||
this.requestHeaders['cache-control'] === 'no-cache'))
) {
return null
}
Expand Down Expand Up @@ -560,7 +563,7 @@ export class IncrementalCache implements IncrementalCacheType {
})
}

if (this.dev && !ctx.fetchCache) return
if (this.disableForTestmode || (this.dev && !ctx.fetchCache)) return
// FetchCache has upper limit of 2MB per-entry currently
const itemSize = JSON.stringify(data).length
if (
Expand Down
14 changes: 12 additions & 2 deletions test/e2e/testmode/testmode.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -38,11 +38,11 @@ createNextDescribe(
proxyServer.close()
})

const fetchForTest = async (url: string) => {
const fetchForTest = async (url: string, testData?: string) => {
return next.fetch(url, {
headers: {
'Next-Test-Proxy-Port': String(proxyServer.port),
'Next-Test-Data': 'test1',
'Next-Test-Data': testData ?? 'test1',
},
})
}
Expand All @@ -53,6 +53,16 @@ createNextDescribe(
expect(html).toContain('<pre>test1</pre>')
})

it('should avoid fetch cache', async () => {
const html1 = await (await fetchForTest('/app/rsc-fetch')).text()
expect(html1).toContain('<pre>test1</pre>')

const html2 = await (
await fetchForTest('/app/rsc-fetch', 'test2')
).text()
expect(html2).toContain('<pre>test2</pre>')
})

it('should handle RSC with http.get in serverless function', async () => {
const html = await (await fetchForTest('/app/rsc-httpget')).text()
expect(html).toContain('<pre>test1</pre>')
Expand Down