Commit Graph

2 Commits

Author SHA1 Message Date
Cong-Cong Pan eacb749030 chore: upgrade next-rspack to rspack 2.0 (#92222)
## Summary
- upgrade `@rspack/core` to `2.0.0-rc.0`
- sync the in-tree next rspack Rust binding/toolchain with newer rspack
releases
- align Next server runtime selection so `NEXT_RSPACK` uses the
turbo-like app runtime path
- include missing compiled `@next/react-refresh-utils` output in
`ncc-compiled`

## What is done
- `@next/rspack` Rust binding builds locally
- `packages/next` builds locally
- rspack-related tests are running and have been reduced to deeper
runtime compatibility failures

## Rspack test investigation
Latest checked CI run: `build-and-test` run `27129243230` at head
`484e7bf1b30655a9f94d0855b9e00774b4b38cd0`.

Confirmed Rspack / webpack parity gaps:
-
`test/e2e/edge-runtime-configurable-guards/edge-runtime-configurable-guards.test.ts`:
Rspack does not expose the webpack parser hooks used by
`MiddlewarePlugin`. The current Rspack path falls back to SWC analysis
in `finishModules`, which can report diagnostics but cannot apply the
parser-time transforms that wrap `eval` / `new Function`, track
`InnerGraph` usage for used vs unused dynamic code, or apply
`unstable_allowDynamic` with webpack parity. Dev therefore misses the
expected dynamic-code runtime warnings and also reports false
`process.cwd` Edge warnings from Next internals; prod fails
allowed/unused dynamic-code cases.
-
`test/development/middleware-overrides-node.js-api/middleware-overrides-node.js-api.test.ts`:
same parser-hook limitation. Webpack can observe that `process.cwd` is
overwritten before use, while the Rspack SWC fallback statically flags
`process.cwd` as an unsupported Edge Node API.
- `test/production/css-features/css-compilation.test.ts`: the CSS is
minified and prefixed as expected, but the Rspack lightningcss path
currently does not expose/control source map generation the way this
test expects, so emitted CSS has no `sourceMappingURL` comment or `.map`
file to assert.
- `test/e2e/app-dir/server-source-maps/server-source-maps.test.ts`:
invalid source maps are not handled with the same graceful diagnostic as
webpack/Node source-map handling. Rspack logs the raw `webpack-internal`
frame for the damaged map case instead of surfacing the expected
`Invalid source map. Only conformant source maps...` message with the
cause.
-
`test/e2e/app-dir/parallel-routes-revalidation/parallel-routes-revalidation.test.ts`:
raw CI output observed a dev-mode timeout waiting for `networkidle`
after refresh/back/forward lazy fetching. This was not the final
structured failure in the latest run, but it remains a Rspack dev parity
follow-up around router cache lazy fetches and network settling.
- `test/e2e/middleware-src/middleware-src.test.ts`: after the test adds
root middleware files, Rspack dev still lets `src/middleware`
participate; the expected behavior is that only the root middleware
runs.
- `test/e2e/env-config/env-config.test.ts`: changing `.env` logs `Reload
env:` but the client keeps the previous `NEXT_PUBLIC_` value, pointing
at an Rspack dev env invalidation/HMR gap.
-
`test/e2e/app-dir/use-cache-without-experimental-flag/use-cache-without-experimental-flag.test.ts`:
after enabling the `useCache` flag, the dev server does not finish
restarting, pointing at build-error recovery/restart parity.
-
`test/development/app-dir/server-navigation-error/server-navigation-error.test.ts`:
middleware navigation-error cases hit `ERR_CONNECTION_REFUSED`,
consistent with the Rspack dev server exiting or restarting unexpectedly
during those error flows.
- `test/e2e/opentelemetry/instrumentation/opentelemetry.test.ts`: the
custom-server dev process exits before the SDK handle is initialized,
then cleanup fails on `shutdown`; this needs follow-up in Rspack
dev/custom-server startup.
- `test/e2e/next-image-new/app-dir/app-dir.test.ts`: after toggling
image source, `onLoadingComplete` still reports the previous image
dimensions/source, pointing at an Rspack dev image/HMR or asset
invalidation parity issue.
- `test/e2e/node-cli-args/node-cli-args.test.ts`: on Node `20.19.x`,
`node --experimental-network-inspection` resolves instead of rejecting.
This looks like a Node-version behavior change rather than an Rspack
compiler issue.

Not attributed to this Rspack upgrade:
-
`test/e2e/app-dir/instant-navigation-testing-api/instant-navigation-testing-api.test.ts`
was marked by `scripts/pr-status.js` as a known flaky test across
branches.
-
`test/production/app-dir/build-output-prerender/build-output-prerender.test.ts`
ran in the webpack prod job and only differs by prerender error ordering
in the inline snapshot.


<!-- NEXT_JS_LLM_PR -->

---------

Co-authored-by: Benjamin Woodruff <benjamin.woodruff@vercel.com>
2026-06-15 23:19:53 +00:00
Tim Neutkens 8141dcf12e Convert test/integration to isolated tests (#93247)
### What?

Converts every test under `test/integration/` to an isolated test
running through `nextTestSetup` (under `test/e2e/`, `test/production/`,
`test/development/`, or `test/unit/`), then deletes `test/integration/`
along with the legacy CI orchestration that was specific to it.

- `test/integration/` removed entirely (~327 test suites)
- New isolated suites added across the existing folders:
  - `test/e2e/` — 175
  - `test/production/` — 130
  - `test/development/` — 43
  - `test/unit/` — 1
- `.github/workflows/build_and_test.yml` and `run-tests.js` no longer
have any `integration` branches
- `nextTestSetup` gained a `baseUrl` option on `next.browser()` so a
small number of tests that drive their own proxy/static-export server
can keep using `next.browser(...)` instead of importing `next-webdriver`
directly

### Why?

`test/integration/` predated `nextTestSetup` and ran tests directly
against the source checkout via custom helpers (`launchApp`,
`nextBuild`, `nextStart`, `runNextCommand`, `webdriver`, `fetchViaHTTP`,
…). Each suite hand-rolled its own dev/start/build orchestration,
fixture mutation, and process management.

The isolated test model used by the rest of the repo gives each suite an
isolated working directory containing a packed `next.tgz` install, a
uniform `next.start()` / `next.build()` / `next.fetch()` /
`next.browser()` API, and the same lifecycle for dev, start, and deploy
modes — so a single set of assertions covers all three. Deploy-mode
skips and per-feature gates are expressed declaratively
(`skipDeployment`, `disableAutoSkewProtection`, `if (skipped) return`)
instead of branching on `process.env`.

Removing `test/integration/` lets us:

- Delete the bespoke orchestration code in the CI workflow and
`run-tests.js`
- Run every converted suite consistently in dev, start, and deploy modes
(where applicable)
- Reproduce every test locally with the same `pnpm
test-{dev,start}-{turbo,webpack}` commands; no separate `integration`
path
- Open the door to running `test/production` against deployments in the
future (the converted suites already declare `skipDeployment` so they
can be flipped on)

### How?

Mechanical conversion per suite, with targeted clean-ups:

1. **Per-suite conversion.** Each
`test/integration/<name>/test/index.test.{js,ts}` was rewritten into a
single `<name>.test.ts` under the right folder based on what the
original exercised:
   - `launchApp` / dev-only assertions → `test/development/`
- `nextBuild` + `nextStart` / start-only assertions → `test/production/`
   - Both → `test/e2e/`
- The one pure jsdom render check (`link-without-router`) → `test/unit/`

2. **API mapping.** Custom helpers were replaced by `nextTestSetup`
equivalents: `launchApp` → `next.start()`, `nextBuild` → `next.build()`,
`runNextCommand` → `next.runCommand`, `fetchViaHTTP` → `next.fetch`,
`webdriver(...)` → `next.browser(...)`. Fixture mutations switched from
raw `fs.writeFile`/`fs.rename` to `next.patchFile` (with the 3-arg
`runWithTempContent` callback when the change has a defined scope) and
`next.deleteFile`.

3. **Deploy-mode handling.** Suites that can't run in deploy mode (use
`patchFile` / `next.build()` / depend on local CLI output) declare
`skipDeployment: true` and early-return on the `skipped` boolean. Suites
where Vercel's edge mutates URLs (`&dpl=`, immutable assets) declare
`disableAutoSkewProtection: true`.

4. **`next.browser({ baseUrl })`.** A handful of tests
(`prerender-export`, `cdn-cache-busting`, `preload-viewport`, both
`react-virtualized` suites) need to drive a separate server (a
static-export server or an `http-proxy` instance) rather than the
Next.js process. Instead of importing `next-webdriver` directly, those
tests now pass `{ baseUrl: <port|url> }` to `next.browser()`. For the
proxy cases, the proxy was moved into `server.js` inside the fixture and
`http-proxy` declared via the `dependencies` option of `nextTestSetup`,
so the test runs with a fully isolated dependency graph.

5. **CI clean-up.** With `test/integration` gone, the `test
integration*` jobs and `integration-tests-manifest`-related logic in
`.github/workflows/build_and_test.yml` were removed, and `run-tests.js`
no longer has the `integration` test-folder branch.

6. **Validation.** The PR was iterated against multiple full CI runs;
the remaining failures on the latest run are pre-existing flakes
(segment-cache 60s `act` timeouts in turbopack-prod) or transient
infrastructure issues unrelated to the conversion.
2026-05-11 13:55:47 +02:00