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[test] Resolve workspace packages from local tarballs in isolated installs#96081

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[test] Resolve workspace packages from local tarballs in isolated installs#96081
gaearon wants to merge 1 commit into
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fix/isolated-install-overrides

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@gaearon

@gaearon gaearon commented Jul 22, 2026

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Unflaking some tests, part 1.


Details

Summary

pnpm only honors overrides at the workspace root, so the tarball overrides createNextInstall writes into the install dir's package.json are ignored whenever a fixture creates its own pnpm-workspace.yaml above it (pnpm warns This will not take effect. You should configure "pnpm.overrides" at the root of the workspace instead). Those installs fetch workspace packages like @next/env from the npm registry at the repo's current version, which fails while a canary release is still propagating — this took out 16 CI shards in a single run — and otherwise silently tests published packages instead of the local build.

  • createNextInstall writes the overrides into the pnpm-workspace.yaml that governs the install: the fixture's own workspace root when it creates one, otherwise the one the security settings ensure exists in the install dir. The caller-provided resolutions land there too.
  • The synthesized pnpm.overrides field in the generated package.json is gone; npm reads overrides and yarn reads resolutions, which remain.
  • After each default install, an assertion checks that @next/env (a dependency of next, so always resolved transitively) came from the packed tarball. A regression now fails every affected test immediately with a clear error instead of only during canary publish windows.
  • ci-missing-typescript-deps declared its types-react@beta aliases in three places, two of them dead; it now uses the resolutions option.

Verification

  • pnpm test-start-turbo test/e2e/app-dir/pnpm-workspace-root/pnpm-workspace-root.test.ts — passes; the install's lockfile resolves @next/env from file: (@next+env@file+... in .pnpm) instead of the registry.
  • pnpm test-start-turbo test/production/custom-server/custom-server.test.ts — passes (14/14); standalone install path, same tarball provenance.
  • pnpm test-start-turbo test/production/typescript-paths-baseUrl/typescript-paths-baseUrl-inherited.test.ts — passes (workspace root without a package.json).
  • pnpm test-start-turbo test/production/ci-missing-typescript-deps/index.test.ts — passes (3/3).
  • Falsified the assertion by removing the yaml merge: setup fails with @next/env resolved from the npm registry instead of the local tarball.

…talls

pnpm only honors overrides at the workspace root, so the overrides that
createNextInstall writes into the install dir's package.json are ignored
whenever a fixture creates its own pnpm-workspace.yaml above it. Those
installs fetch workspace packages like @next/env from the npm registry at
the repo's current version, which fails while a canary release is still
propagating (this took out 16 CI shards in a single run) and otherwise
silently tests published packages instead of the local build.

Write the overrides into the pnpm-workspace.yaml that governs the install,
drop the pnpm.overrides field from the generated package.json, and assert
after each default install that @next/env resolved from the packed tarball
so a regression fails immediately instead of during publish windows.
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Failing test suites

Commit: f549afc | About building and testing Next.js

pnpm test-start test/e2e/css-client-nav/css-client-nav.test.ts (job)

  • CSS Module client-side navigation > should time out and hard navigate for stalled CSS request (DD)
Expand output

● CSS Module client-side navigation › should time out and hard navigate for stalled CSS request

expect(received).toBeFalsy()

Received: "hello"

   96 |         expect(blueColor).toMatchInlineSnapshot(`"rgb(0, 0, 255)"`)
   97 |
>  98 |         expect(await browser.eval('window.beforeNav')).toBeFalsy()
      |                                                        ^
   99 |       } finally {
  100 |         stallCss = false
  101 |         await browser.close()

  at Object.toBeFalsy (e2e/css-client-nav/css-client-nav.test.ts:98:56)

pnpm test-dev-turbo test/development/acceptance/ReactRefreshLogBox-builtins.test.ts (turbopack) (job)

  • ReactRefreshLogBox > Module not found (DD)
Expand output

● ReactRefreshLogBox › Module not found

expect(received).toMatchInlineSnapshot(snapshot)

Snapshot name: `ReactRefreshLogBox Module not found 1`

- Snapshot  - 10
+ Received  +  1

- {
-   "description": "Module not found: Can't resolve 'b'",
-   "environmentLabel": null,
-   "label": "Build Error",
-   "source": "./index.js (1:1)
- Error: Module not found: Can't resolve 'b'
- > 1 | import Comp from 'b'
-     | ^^^^^^^^^^^^^^^^^^^^",
-   "stack": [],
- }
+ "Expected Redbox but found no visible one."

  113 |
  114 |     if (isTurbopack) {
> 115 |       await expect(browser).toDisplayRedbox(`
      |                             ^
  116 |        {
  117 |          "description": "Module not found: Can't resolve 'b'",
  118 |          "environmentLabel": null,

  at Object.toDisplayRedbox (development/acceptance/ReactRefreshLogBox-builtins.test.ts:115:29)

pnpm test-dev-turbo test/development/acceptance/server-component-compiler-errors-in-pages.test.ts (turbopack) (job)

  • Error Overlay for server components compiler errors in pages > importing 'next/headers' in pages (DD)
  • Error Overlay for server components compiler errors in pages > importing 'next/cache' APIs in pages > revalidatePath is not allowed (DD)
  • Error Overlay for server components compiler errors in pages > importing 'next/cache' APIs in pages > revalidateTag is not allowed (DD)
  • Error Overlay for server components compiler errors in pages > importing 'next/cache' APIs in pages > revalidatePath is not allowed (DD)
Expand output

● Error Overlay for server components compiler errors in pages › importing 'next/headers' in pages

Expected Redbox but found no visible one.

  47 |     )
  48 |
> 49 |     await session.waitForRedbox()
     |     ^
  50 |     await expect(session.getRedboxSource()).resolves.toMatch(
  51 |       /This API is only available in Server Components/
  52 |     )

  at Object.<anonymous> (development/acceptance/server-component-compiler-errors-in-pages.test.ts:49:5)

● Error Overlay for server components compiler errors in pages › importing 'next/cache' APIs in pages › revalidatePath is not allowed

Expected Redbox but found no visible one.

  405 |       )
  406 |
> 407 |       await session.waitForRedbox()
      |       ^
  408 |       await expect(session.getRedboxSource()).resolves.toMatch(
  409 |         `You're importing a module that depends on "${api}". This API is only available in Server Components in the App Router, but you are using it in the Pages Router.`
  410 |       )

  at development/acceptance/server-component-compiler-errors-in-pages.test.ts:407:7

● Error Overlay for server components compiler errors in pages › importing 'next/cache' APIs in pages › revalidateTag is not allowed

Expected Redbox but found no visible one.

  405 |       )
  406 |
> 407 |       await session.waitForRedbox()
      |       ^
  408 |       await expect(session.getRedboxSource()).resolves.toMatch(
  409 |         `You're importing a module that depends on "${api}". This API is only available in Server Components in the App Router, but you are using it in the Pages Router.`
  410 |       )

  at development/acceptance/server-component-compiler-errors-in-pages.test.ts:407:7

● Error Overlay for server components compiler errors in pages › importing 'next/cache' APIs in pages › revalidatePath is not allowed

Expected Redbox but found no visible one.

  405 |       )
  406 |
> 407 |       await session.waitForRedbox()
      |       ^
  408 |       await expect(session.getRedboxSource()).resolves.toMatch(
  409 |         `You're importing a module that depends on "${api}". This API is only available in Server Components in the App Router, but you are using it in the Pages Router.`
  410 |       )

  at development/acceptance/server-component-compiler-errors-in-pages.test.ts:407:7

pnpm test-dev-turbo test/development/tsconfig-path-reloading/index.test.ts (turbopack) (job)

  • tsconfig-path-reloading > tsconfig without baseUrl added after starting dev > should recover from module not found when paths is updated (DD)
Expand output

● tsconfig-path-reloading › tsconfig without baseUrl added after starting dev › should recover from module not found when paths is updated

Expected Redbox but found no visible one.

  87 |         )
  88 |
> 89 |         await waitForRedbox(browser)
     |         ^
  90 |         expect(await getRedboxSource(browser)).toContain("'@lib/second-data'")
  91 |
  92 |         await next.patchFile(

  at Object.<anonymous> (development/tsconfig-path-reloading/index.test.ts:89:9)

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github-actions Bot commented Jul 22, 2026

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Stats from current PR

🔴 3 regressions

Metric Canary PR Change Trend
Turbo Build Time (cached) 5.051s 5.561s 🔴 +510ms (+10%) ▁▁▁▁▁
Webpack Build Time (cached) 25.483s 26.271s 🔴 +788ms (+3%) ▅▁▃▁▁
Webpack Cold (First Request) 3.374s 3.525s 🔴 +151ms (+4%) ▇▄▃▆▁
📊 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) 811ms 813ms ▂▁▁▁▁
Cold (Ready in log) 774ms 778ms ▁▁▁▁▁
Cold (First Request) 1.306s 1.320s ▁▁▁▁▁
Warm (Listen) 812ms 812ms ▁▁▂▁▂
Warm (Ready in log) 771ms 772ms ▁▁▁▁▁
Warm (First Request) 1.304s 1.297s ▁▁▁▁▁
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 812ms 813ms █████
Cold (Ready in log) 774ms 786ms ▄▃▄▅▁
Cold (First Request) 3.374s 3.525s 🔴 +151ms (+4%) ▇▄▃▆▁
Warm (Listen) 812ms 815ms ████▁
Warm (Ready in log) 774ms 791ms ▃▂▅▁▁
Warm (First Request) 3.649s 3.566s █▃▄▄▁

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 4.977s 5.064s ▁▁▁▁▁
Cached Build 5.051s 5.561s 🔴 +510ms (+10%) ▁▁▁▁▁
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 25.347s 25.155s ▅▃▄▂▁
Cached Build 25.483s 26.271s 🔴 +788ms (+3%) ▅▁▃▁▁
node_modules Size 527 MB 527 MB █████
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Bundle Sizes

⚡ Turbopack

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Server

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Canary PR Change
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Total 780 B 778 B ✅ -2 B
Build Details
Build Manifests
Canary PR Change
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Total 433 B 431 B ✅ -2 B

📦 Webpack

Client

Main Bundles
Canary PR Change
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7920-HASH.js gzip 4.68 kB N/A -
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Polyfills
Canary PR Change
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Total 39.4 kB 39.4 kB
Pages
Canary PR Change
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script-HASH.js gzip 384 B 386 B
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Server

Edge SSR
Canary PR Change
edge-ssr.js gzip 128 kB 128 kB
page.js gzip 287 kB 287 kB
Total 415 kB 414 kB ✅ -862 B
Middleware
Canary PR Change
middleware-b..fest.js gzip 619 B 618 B
middleware-r..fest.js gzip 156 B 156 B
middleware.js gzip 45.4 kB 45.1 kB
edge-runtime..pack.js gzip 842 B 842 B
Total 47 kB 46.8 kB ✅ -280 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 718 B 718 B
Total 718 B 718 B
Build Cache
Canary PR Change
0.pack gzip 4.83 MB 4.83 MB
index.pack gzip 119 kB 119 kB
index.pack.old gzip 120 kB 120 kB
Total 5.07 MB 5.07 MB ✅ -2.75 kB

🔄 Shared (bundler-independent)

Runtimes
Canary PR Change
app-page-exp...dev.js gzip 366 kB 366 kB
app-page-exp..prod.js gzip 202 kB 202 kB
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app-page-tur..prod.js gzip 202 kB 202 kB
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app-route.ru..prod.js gzip 55.4 kB 55.4 kB
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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 45.4 kB 45.4 kB
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pages-api.ru..prod.js gzip 34.1 kB 34.1 kB
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pages.runtim..prod.js gzip 39.7 kB 39.7 kB
server.runti..prod.js gzip 67.8 kB 67.8 kB
use-cache-pr...dev.js gzip 71.6 kB 71.6 kB
use-cache-pr...dev.js gzip 71.6 kB 71.6 kB
use-cache-pr...dev.js gzip 69.9 kB 69.9 kB
use-cache-pr...dev.js gzip 69.9 kB 69.9 kB
Total 3.51 MB 3.51 MB
📎 Tarball URL
https://vercel-packages.vercel.app/next/commits/f549afc4e9a81b53770c5c938c449c78d31d00e2/next

Commit: f549afc

@gaearon gaearon changed the title fix/isolated install overrides [test] Resolve workspace packages from local tarballs in isolated installs Jul 22, 2026
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