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@nextjs-bot nextjs-bot added created-by: Next.js team PRs by the Next.js team. tests labels Jan 28, 2026
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Verify cache header values (HIT/STALE) in resume-data-cache e2e tests to ensure proper cache behavior during revalidation.
@devjiwonchoi devjiwonchoi force-pushed the jiwon/01-28-test_resume-data-cache_add_x-vercel-cache-status_header_assertions branch from 86cd1c9 to 71e4851 Compare January 28, 2026 18:27
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nextjs-bot commented Jan 28, 2026

Failing test suites

Commit: 97f28d0 | About building and testing Next.js

pnpm test-start test/e2e/app-dir/actions/app-action.test.ts (job)

Expand output

● Test suite failed to run

Jest encountered an unexpected token

Jest failed to parse a file. This happens e.g. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax.

Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration.

By default "node_modules" folder is ignored by transformers.

Here's what you can do:
 • If you are trying to use ECMAScript Modules, see https://jestjs.io/docs/ecmascript-modules for how to enable it.
 • If you are trying to use TypeScript, see https://jestjs.io/docs/getting-started#using-typescript
 • To have some of your "node_modules" files transformed, you can specify a custom "transformIgnorePatterns" in your config.
 • If you need a custom transformation specify a "transform" option in your config.
 • If you simply want to mock your non-JS modules (e.g. binary assets) you can stub them out with the "moduleNameMapper" config option.

You'll find more details and examples of these config options in the docs:
https://jestjs.io/docs/configuration
For information about custom transformations, see:
https://jestjs.io/docs/code-transformation

Details:

/root/actions-runner/_work/next.js/next.js/test/e2e/app-dir/actions/app-action.test.ts:1
({"Object.<anonymous>":function(module,exports,require,__dirname,__filename,jest){import { FileRef, nextTestSetup } from 'e2e-utils';
                                                                                  ^^^^^^

SyntaxError: Cannot use import statement outside a module

  at Runtime.createScriptFromCode (../node_modules/.pnpm/jest-runtime@29.7.0/node_modules/jest-runtime/build/index.js:1505:14)

pnpm test-start-turbo test/e2e/app-dir/segment-cache/revalidation/segment-cache-revalidation.test.ts (turbopack) (job)

  • segment cache (revalidation) > refetch visible Form components after cache is revalidated (DD)
Expand output

● segment cache (revalidation) › refetch visible Form components after cache is revalidated

thrown: "Exceeded timeout of 120000 ms for a test.
Add a timeout value to this test to increase the timeout, if this is a long-running test. See https://jestjs.io/docs/api#testname-fn-timeout."

   97 |   })
   98 |
>  99 |   it('refetch visible Form components after cache is revalidated', async () => {
      |   ^
  100 |     // This is the same as the previous test, but for forms. Since the
  101 |     // prefetching implementation is shared between Link and Form, we don't
  102 |     // bother to test every feature using both Link and Form; this test should

  at it (e2e/app-dir/segment-cache/revalidation/segment-cache-revalidation.test.ts:99:3)
  at Object.describe (e2e/app-dir/segment-cache/revalidation/segment-cache-revalidation.test.ts:7:1)

pnpm test-dev test/e2e/app-dir/log-file/log-file.test.ts (job)

  • log-file > should capture client logging in log file (DD)
Expand output

● log-file › should capture client logging in log file

expect(received).toMatchInlineSnapshot(snapshot)

Snapshot name: `log-file should capture client logging in log file 1`

- Snapshot  - 4
+ Received  + 4

- "[xx:xx:xx.xxx] Browser LOG     Client: Complex circular object: {"data":{"nested":{"items":[1,2,3],"value":42},"parent":"[Circular]"},"metadata":{"name":"safe stringify","version":"1.0.0"},"name":"test"}
- [xx:xx:xx.xxx] Browser ERROR   Client: This is an error message from client component
- [xx:xx:xx.xxx] Browser WARN    Client: This is a warning message from client component
- [xx:xx:xx.xxx] Server  ERROR   [browser] "Client: This is an error message from client component" "\n    at ClientPage.useEffect (app/client/page.tsx:25:13)\n  23 |     circularObj.data.parent = circularObj\n  24 |     console.log('Client: Complex circular object:', circularObj)\n> 25 |     console.error('Client: This is an error message from client component')\n     |             ^\n  26 |     console.warn('Client: This is a warning message from client component')\n  27 |   }, [])\n  28 |" "(app/client/page.tsx:25:13)"
+ "[xx:xx:xx.xxx] Server  ERROR   [browser] "Client: This is an error message from client component" "\n    at ClientPage.useEffect (app/client/page.tsx:25:13)\n  23 |     circularObj.data.parent = circularObj\n  24 |     console.log('Client: Complex circular object:', circularObj)\n> 25 |     console.error('Client: This is an error message from client component')\n     |             ^\n  26 |     console.warn('Client: This is a warning message from client component')\n  27 |   }, [])\n  28 |" "(app/client/page.tsx:25:13)"
  [xx:xx:xx.xxx] Browser ERROR   Client: This is an error message from client component "\n    at ClientPage.useEffect (app/client/page.tsx:25:13)\n  23 |     circularObj.data.parent = circularObj\n  24 |     console.log('Client: Complex circular object:', circularObj)\n> 25 |     console.error('Client: This is an error message from client component')\n     |             ^\n  26 |     console.warn('Client: This is a warning message from client component')\n  27 |   }, [])\n  28 |" "(app/client/page.tsx:25:13)"
  [xx:xx:xx.xxx] Server  WARN    [browser] "Client: This is a warning message from client component" "(app/client/page.tsx:26:13)"
  [xx:xx:xx.xxx] Browser WARN    Client: This is a warning message from client component
+ [xx:xx:xx.xxx] Browser LOG     Client: Complex circular object: {"data":{"nested":{"items":[1,2,3],"value":42},"parent":"[Circular]"},"metadata":{"name":"safe stringify","version":"1.0.0"},"name":"test"}
+ [xx:xx:xx.xxx] Browser ERROR   Client: This is an error message from client component
+ [xx:xx:xx.xxx] Browser WARN    Client: This is a warning message from client component
  "

  123 |         const newLogContent = getNewLogContent()
  124 |         // Only browser only logs are being forwarded to terminal
> 125 |         expect(newLogContent).toMatchInlineSnapshot(`
      |                               ^
  126 |          "[xx:xx:xx.xxx] Browser LOG     Client: Complex circular object: {"data":{"nested":{"items":[1,2,3],"value":42},"parent":"[Circular]"},"metadata":{"name":"safe stringify","version":"1.0.0"},"name":"test"}
  127 |          [xx:xx:xx.xxx] Browser ERROR   Client: This is an error message from client component
  128 |          [xx:xx:xx.xxx] Browser WARN    Client: This is a warning message from client component

  at toMatchInlineSnapshot (e2e/app-dir/log-file/log-file.test.ts:125:31)
  at fn (lib/next-test-utils.ts:831:20)
  at Object.<anonymous> (e2e/app-dir/log-file/log-file.test.ts:122:18)

pnpm test-deploy test/e2e/app-dir/resume-data-cache/resume-data-cache.test.ts (job)

  • resume-data-cache > should have consistent data between static and dynamic renders with use cache (DD)
  • resume-data-cache > should have consistent data between static and dynamic renders with fetch cache (DD)
Expand output

● resume-data-cache › should have consistent data between static and dynamic renders with use cache

expect(received).toBe(expected) // Object.is equality

Expected: "STALE"
Received: "HIT"

  79 |       if (isNextDeploy) {
  80 |         const cacheHeader = rscRes.headers.get('x-vercel-cache')
> 81 |         expect(cacheHeader).toBe('STALE')
     |                             ^
  82 |       }
  83 |       expect(rsc).toContain(first)
  84 |

  at toBe (e2e/app-dir/resume-data-cache/resume-data-cache.test.ts:81:29)

● resume-data-cache › should have consistent data between static and dynamic renders with fetch cache

expect(received).toContain(expected) // indexOf

Expected substring: "0.8802834162238455"
Received string:    "1:\"$Sreact.fragment\"
2:I[7121,[],\"\"]
3:I[4581,[],\"\"]
5:I[484,[],\"OutletBoundary\"]
6:\"$Sreact.suspense\"
8:I[484,[],\"ViewportBoundary\"]
a:I[484,[],\"MetadataBoundary\"]
0:{\"b\":\"H4aXof3Rj9FSeRyEQp8hC\",\"f\":[[[\"\",{\"children\":[\"__PAGE__\",{}]},\"$undefined\",\"$undefined\",true],[[\"$\",\"$1\",\"c\",{\"children\":[null,[\"$\",\"html\",null,{\"children\":[\"$\",\"body\",null,{\"children\":[\"$\",\"$L2\",null,{\"parallelRouterKey\":\"children\",\"error\":\"$undefined\",\"errorStyles\":\"$undefined\",\"errorScripts\":\"$undefined\",\"template\":[\"$\",\"$L3\",null,{}],\"templateStyles\":\"$undefined\",\"templateScripts\":\"$undefined\",\"notFound\":[[[\"$\",\"title\",null,{\"children\":\"404: This page could not be found.\"}],[\"$\",\"div\",null,{\"style\":{\"fontFamily\":\"system-ui,\\\"Segoe UI\\\",Roboto,Helvetica,Arial,sans-serif,\\\"Apple Color Emoji\\\",\\\"Segoe UI Emoji\\\"\",\"height\":\"100vh\",\"textAlign\":\"center\",\"display\":\"flex\",\"flexDirection\":\"column\",\"alignItems\":\"center\",\"justifyContent\":\"center\"},\"children\":[\"$\",\"div\",null,{\"children\":[[\"$\",\"style\",null,{\"dangerouslySetInnerHTML\":{\"__html\":\"body{color:#000;background:#fff;margin:0}.next-error-h1{border-right:1px solid rgba(0,0,0,.3)}@media (prefers-color-scheme:dark){body{color:#fff;background:#000}.next-error-h1{border-right:1px solid rgba(255,255,255,.3)}}\"}}],[\"$\",\"h1\",null,{\"className\":\"next-error-h1\",\"style\":{\"display\":\"inline-block\",\"margin\":\"0 20px 0 0\",\"padding\":\"0 23px 0 0\",\"fontSize\":24,\"fontWeight\":500,\"verticalAlign\":\"top\",\"lineHeight\":\"49px\"},\"children\":404}],[\"$\",\"div\",null,{\"style\":{\"display\":\"inline-block\"},\"children\":[\"$\",\"h2\",null,{\"style\":{\"fontSize\":14,\"fontWeight\":400,\"lineHeight\":\"49px\",\"margin\":0},\"children\":\"This page could not be found.\"}]}]]}]}]],[]],\"forbidden\":\"$undefined\",\"unauthorized\":\"$undefined\"}]}]}]]}],{\"children\":[[\"$\",\"$1\",\"c\",{\"children\":[\"$L4\",null,[\"$\",\"$L5\",null,{\"children\":[\"$\",\"$6\",null,{\"name\":\"Next.MetadataOutlet\",\"children\":\"$@7\"}]}]]}],{},null,false,false]},null,false,false],[\"$\",\"$1\",\"h\",{\"children\":[null,[\"$\",\"$L8\",\"_9Ghr932gMyfYghFUk_ugv\",{\"children\":\"$L9\"}],[\"$\",\"div\",\"_9Ghr932gMyfYghFUk_ugm\",{\"hidden\":true,\"children\":[\"$\",\"$La\",null,{\"children\":[\"$\",\"$6\",null,{\"name\":\"Next.Metadata\",\"children\":\"$Lb\"}]}]}]]}],false]],\"q\":\"\",\"i\":false,\"S\":false}
9:[[\"$\",\"meta\",\"0\",{\"charSet\":\"utf-8\"}],[\"$\",\"meta\",\"1\",{\"name\":\"viewport\",\"content\":\"width=device-width, initial-scale=1\"}]]
4:[[\"$\",\"p\",null,{\"id\":\"random-number\",\"children\":0.9757878322263425}],[\"$\",\"p\",null,{\"id\":\"another-random-number\",\"children\":\"0.7238591503589717\"}],[\"$\",\"$6\",null,{\"children\":\"$Lc\"}]]
7:null
b:[]
c:null
"

  59 |           expect(cacheHeader).toBe('HIT')
  60 |         }
> 61 |         expect(rsc).toContain(first)
     |                     ^
  62 |       })
  63 |
  64 |       // Then revalidate the page. Note: Dynamic RSC requests don't trigger

  at toContain (e2e/app-dir/resume-data-cache/resume-data-cache.test.ts:61:21)
  at retry (lib/next-test-utils.ts:831:14)
  at e2e/app-dir/resume-data-cache/resume-data-cache.test.ts:50:7
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nextjs-bot commented Jan 28, 2026

Stats from current PR

✅ No significant changes detected

📊 All Metrics
📖 Metrics Glossary

Dev Server Metrics:

  • Listen = TCP port starts accepting connections
  • First Request = HTTP server returns successful response
  • Cold = Fresh build (no cache)
  • Warm = With cached build artifacts

Build Metrics:

  • Fresh = Clean build (no .next directory)
  • Cached = With existing .next directory

Change Thresholds:

  • Time: Changes < 50ms AND < 10%, OR < 2% are insignificant
  • Size: Changes < 1KB AND < 1% are insignificant
  • All other changes are flagged to catch regressions

⚡ Dev Server

Metric Canary PR Change Trend
Cold (Listen) 455ms 455ms ▁▁▁▁█
Cold (Ready in log) 439ms 440ms ▇▇▇▄▆
Cold (First Request) 1.220s 1.156s ███▇▄
Warm (Listen) 457ms 456ms ▁▁▁▁█
Warm (Ready in log) 445ms 444ms ▁▁▂▁█
Warm (First Request) 346ms 342ms ███▇▅
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 455ms 455ms ▁▁▁▁█
Cold (Ready in log) 440ms 440ms ▃▃▁▃█
Cold (First Request) 1.852s 1.856s ▃▂▁▂█
Warm (Listen) 456ms 455ms ▁▁▁▁█
Warm (Ready in log) 438ms 439ms ▃▃▁▃█
Warm (First Request) 1.882s 1.867s ▃▂▁▂█

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 4.312s 4.346s ▁▁▁▁█
Cached Build 4.338s 4.301s ▁▁▁▁█
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 14.118s 14.102s ▃▁▁▁█
Cached Build 14.201s 14.228s ▃▁▁▂█
node_modules Size 462 MB 462 MB ▁████
📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles: **432 kB** → **432 kB** ✅ -42 B

81 files with content-based hashes (individual files not comparable between builds)

Server

Middleware
Canary PR Change
middleware-b..fest.js gzip 770 B 763 B
Total 770 B 763 B ✅ -7 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 451 B 450 B
Total 451 B 450 B ✅ -1 B

📦 Webpack

Client

Main Bundles
Canary PR Change
5528-HASH.js gzip 5.47 kB N/A -
6280-HASH.js gzip 52.7 kB N/A -
6335.HASH.js gzip 169 B N/A -
912-HASH.js gzip 4.53 kB N/A -
e8aec2e4-HASH.js gzip 62.3 kB N/A -
framework-HASH.js gzip 59.7 kB 59.7 kB
main-app-HASH.js gzip 257 B 252 B 🟢 5 B (-2%)
main-HASH.js gzip 39 kB 39 kB
webpack-HASH.js gzip 1.68 kB 1.68 kB
262-HASH.js gzip N/A 4.52 kB -
2889.HASH.js gzip N/A 169 B -
5602-HASH.js gzip N/A 5.48 kB -
6948ada0-HASH.js gzip N/A 62.3 kB -
9544-HASH.js gzip N/A 53.2 kB -
Total 226 kB 226 kB ⚠️ +474 B
Polyfills
Canary PR Change
polyfills-HASH.js gzip 39.4 kB 39.4 kB
Total 39.4 kB 39.4 kB
Pages
Canary PR Change
_app-HASH.js gzip 194 B 194 B
_error-HASH.js gzip 183 B 180 B 🟢 3 B (-2%)
css-HASH.js gzip 331 B 330 B
dynamic-HASH.js gzip 1.81 kB 1.81 kB
edge-ssr-HASH.js gzip 256 B 256 B
head-HASH.js gzip 351 B 352 B
hooks-HASH.js gzip 384 B 383 B
image-HASH.js gzip 580 B 581 B
index-HASH.js gzip 260 B 260 B
link-HASH.js gzip 2.49 kB 2.49 kB
routerDirect..HASH.js gzip 320 B 319 B
script-HASH.js gzip 386 B 386 B
withRouter-HASH.js gzip 315 B 315 B
1afbb74e6ecf..834.css gzip 106 B 106 B
Total 7.97 kB 7.97 kB ✅ -1 B

Server

Edge SSR
Canary PR Change
edge-ssr.js gzip 126 kB 126 kB
page.js gzip 246 kB 247 kB
Total 373 kB 373 kB ⚠️ +250 B
Middleware
Canary PR Change
middleware-b..fest.js gzip 615 B 615 B
middleware-r..fest.js gzip 156 B 155 B
middleware.js gzip 32.9 kB 33.2 kB
edge-runtime..pack.js gzip 842 B 842 B
Total 34.5 kB 34.8 kB ⚠️ +256 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 732 B 736 B
Total 732 B 736 B ⚠️ +4 B
Build Cache
Canary PR Change
0.pack gzip 3.71 MB 3.72 MB 🔴 +11.2 kB (+0%)
index.pack gzip 102 kB 101 kB
index.pack.old gzip 102 kB 101 kB 🟢 1.66 kB (-2%)
Total 3.92 MB 3.93 MB ⚠️ +8.95 kB

🔄 Shared (bundler-independent)

Runtimes
Canary PR Change
app-page-exp...dev.js gzip 308 kB 308 kB
app-page-exp..prod.js gzip 164 kB 164 kB
app-page-tur...dev.js gzip 308 kB 308 kB
app-page-tur..prod.js gzip 164 kB 164 kB
app-page-tur...dev.js gzip 305 kB 305 kB
app-page-tur..prod.js gzip 162 kB 162 kB
app-page.run...dev.js gzip 305 kB 305 kB
app-page.run..prod.js gzip 162 kB 162 kB
app-route-ex...dev.js gzip 70.2 kB 70.2 kB
app-route-ex..prod.js gzip 48.8 kB 48.8 kB
app-route-tu...dev.js gzip 70.2 kB 70.2 kB
app-route-tu..prod.js gzip 48.8 kB 48.8 kB
app-route-tu...dev.js gzip 69.8 kB 69.8 kB
app-route-tu..prod.js gzip 48.6 kB 48.6 kB
app-route.ru...dev.js gzip 69.8 kB 69.8 kB
app-route.ru..prod.js gzip 48.6 kB 48.6 kB
dist_client_...dev.js gzip 324 B 324 B
dist_client_...dev.js gzip 326 B 326 B
dist_client_...dev.js gzip 318 B 318 B
dist_client_...dev.js gzip 317 B 317 B
pages-api-tu...dev.js gzip 43.1 kB 43.1 kB
pages-api-tu..prod.js gzip 32.8 kB 32.8 kB
pages-api.ru...dev.js gzip 43.1 kB 43.1 kB
pages-api.ru..prod.js gzip 32.8 kB 32.8 kB
pages-turbo....dev.js gzip 52.4 kB 52.4 kB
pages-turbo...prod.js gzip 39.3 kB 39.3 kB
pages.runtim...dev.js gzip 52.3 kB 52.3 kB
pages.runtim..prod.js gzip 39.3 kB 39.3 kB
server.runti..prod.js gzip 62.5 kB 62.5 kB
Total 2.75 MB 2.75 MB
devjiwonchoi added a commit that referenced this pull request Jan 29, 2026
Add "should have consistent data between static and dynamic renders
with fetch cache" test to the failed list. This test relies on
x-vercel-cache-status header assertions that only apply in deployment
contexts.

Related: #89187
https://linear.app/vercel/issue/NAR-719
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created-by: Next.js team PRs by the Next.js team. tests

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