feat(test)!: upgrade to Vitest v5 with migration support

.github/actions/clone/action.yml

@@ -47,6 +47,13 @@ runs:
         ref: ${{ steps.upstream-versions.outputs.ROLLDOWN_VITE_HASH }}
         persist-credentials: false
 
+    # Match the manifests used by sync-remote when it generated the root lockfile.
+    # setup-node installs with --frozen-lockfile, so this must run before it.
+    # The runner's preinstalled Node may not support direct TypeScript execution.
+    - name: Align vendored Vite's Vitest dependencies
+      shell: bash
+      run: npx tsx packages/tools/src/vendored-vitest.ts
+
     # Disable autocrlf to preserve LF line endings on Windows
     # This prevents prettier/eslint from failing with "Delete ␍" errors
     - name: Configure git for LF line endings

.github/scripts/__tests__/upgrade-deps-utils.spec.ts

@@ -16,3 +16,9 @@ test('selects the highest stable version from the supported major', () => {
 test('returns undefined when the supported major has no stable release', () => {
   expect(findLatestStableVersionForMajor(['4.2.0-beta.1', '5.0.0'], 4)).toBeUndefined();
 });
+
+test('keeps Vitest upgrades on v5 after the migration', () => {
+  expect(
+    findLatestStableVersionForMajor(['4.1.11', '5.0.0', '5.1.0', '5.2.0-beta.1', '6.0.0'], 5),
+  ).toBe('5.1.0');
+});

.github/scripts/upgrade-deps.ts

@@ -72,7 +72,7 @@ type PnpmWorkspaceEntry = {
 const STABLE_SEMVER_TAG_RE = /^v?\d+\.\d+\.\d+$/;
 // Vitest major upgrades can change the bundled API, export shims, and CLI
 // behavior. Advance this only after Vite+ has adapted to the new major.
-const SUPPORTED_VITEST_MAJOR = 4;
+const SUPPORTED_VITEST_MAJOR = 5;
 
 const isFullSha = (s: string): boolean => /^[0-9a-f]{40}$/.test(s);
 
@@ -211,18 +211,15 @@ async function updatePnpmWorkspace(versions: PnpmWorkspaceVersions): Promise<voi
   let content = fs.readFileSync(filePath, 'utf8');
 
   // oxlint's trailing \n in the pattern disambiguates from oxlint-tsgolint.
-  // All @vitest/* catalog entries (browser + core direct deps) must stay pinned
+  // Official @vitest/* catalog entries (browser + core direct deps) stay pinned
   // to the same exact version as `vitest` itself, otherwise the catalog drifts
   // from VITEST_VERSION.
   const vitestExactVersionPackages = [
     '@vitest/browser',
     '@vitest/browser-playwright',
     '@vitest/browser-preview',
-    '@vitest/browser-webdriverio',
-    '@vitest/expect',
     '@vitest/mocker',
     '@vitest/pretty-format',
-    '@vitest/runner',
     '@vitest/snapshot',
     '@vitest/spy',
     '@vitest/utils',

.github/workflows/ci.yml

@@ -374,10 +374,13 @@ jobs:
         include:
           - os: namespace-profile-linux-x64-default
             target: x86_64-unknown-linux-gnu
+            test-node: 22.18.0
           - os: namespace-profile-mac-default
             target: aarch64-apple-darwin
+            test-node: 24.11.0
           - os: namespace-profile-windows-4c-8g
             target: x86_64-pc-windows-msvc
+            test-node: 26.0.0
     runs-on: ${{ matrix.os }}
     steps:
       - uses: taiki-e/checkout-action@7d1e50e93dc4fb3bba58f85018fadf77898aee8b # v1.4.2
@@ -452,8 +455,9 @@ jobs:
         run: vp check
 
       - name: Run unit tests
-        run: RUST_BACKTRACE=1 pnpm test:unit
+        run: vp env exec --node ${{ matrix.test-node }} node packages/cli/dist/bin.js test run
         env:
+          RUST_BACKTRACE: '1'
           RUST_MIN_STACK: 8388608
 
       - name: Test global package install (powershell)

.github/workflows/e2e-test.yml

@@ -344,7 +344,7 @@ jobs:
           - name: yaak
             node-version: 24
             command: |
-              vp fmt --ignore-path .oxfmtignore
+              vp fmt
               # FIXME: type-aware lint fails with "Invalid tsconfig" without full Rust/wasm bootstrap
               vp lint || true
               vp test
@@ -358,6 +358,16 @@ jobs:
               vp run test:types
               vp test --project nuxt
               vp test --project unit
+          - name: codiff
+            node-version: 24
+            timeout: 20
+            command: |
+              # Migration skips install scripts. node-pty has no Linux prebuild,
+              # so build its approved native addon before running the tests.
+              vp pm rebuild node-pty
+              vp run build
+              # The separate Workers integration suite still requires Vitest 4.
+              vp test run
           - name: vite-plus-jest-dom-repro
             node-version: 24
             command: |
@@ -418,6 +428,19 @@ jobs:
               vp run build && vp run build:demos
               vp run lint
               vp run test:unit
+          - name: 10ten-ja-reader
+            # Match upstream's pin for its locked WebDriverIO/Undici versions.
+            node-version: 24.15.0
+            command: |
+              vp test run --project browser --browser.name=chrome
+          - name: sqlocal
+            node-version: 24
+            command: |
+              vp test run --browser.name=chrome
+          - name: brazilian-utils
+            node-version: 24
+            command: |
+              vp test run --browser.enabled --browser.name=chrome --browser.headless
           - name: solid-vite-plugin
             node-version: 24
             # The next branch's Vite 8 example uses Solid 2 and @solidjs/vite-plugin.
@@ -452,10 +475,24 @@ jobs:
           - os: namespace-profile-windows-4c-8g
             project:
               name: varlet
+          # Codiff's upstream test job is Ubuntu-only and needs native-keymap system libraries.
+          - os: namespace-profile-windows-4c-8g
+            project:
+              name: codiff
           # tiptap upstream CI is ubuntu-only
           - os: namespace-profile-windows-4c-8g
             project:
               name: tiptap
+          # Match upstream's Linux Chrome jobs for these WebDriverIO suites.
+          - os: namespace-profile-windows-4c-8g
+            project:
+              name: 10ten-ja-reader
+          - os: namespace-profile-windows-4c-8g
+            project:
+              name: sqlocal
+          - os: namespace-profile-windows-4c-8g
+            project:
+              name: brazilian-utils
 
     steps:
       - uses: taiki-e/checkout-action@7d1e50e93dc4fb3bba58f85018fadf77898aee8b # v1.4.2
@@ -481,6 +518,12 @@ jobs:
           name: vite-plus-packages-${{ matrix.os }}
           path: tmp/tgz
 
+      - name: Install Codiff native-keymap dependencies
+        if: matrix.project.name == 'codiff'
+        run: |
+          sudo apt-get update
+          sudo apt-get install --yes libx11-dev libxkbfile-dev
+
       - name: Install vp CLI
         shell: bash
         run: |

.github/workflows/upgrade-deps.yml

@@ -113,8 +113,9 @@ jobs:
 
             ### Background
             - Upgrade script: `./.github/scripts/upgrade-deps.ts`
-            - Vitest is intentionally capped at the latest stable `4.x` release until
-              Vite+ adapts to a newer major. Do not remove or bypass that cap.
+            - Vitest is capped at the latest stable `5.x` release. Keep the exact
+              version selected by the upgrade script when merging upstream catalogs.
+              Official Vitest packages must use that version. Do not bypass the cap.
             - Sync-remote tool: `pnpm tool sync-remote` (source in
               `packages/tools/src/sync-remote-deps.ts`) — clones rolldown/vite into the
               working tree, merges their pnpm-workspace catalogs into the root
@@ -135,7 +136,7 @@ jobs:
                cross-major semver conflict in the merged catalog, e.g.
                `Incompatible semver ranges for <pkg>: ^X vs ^Y`. The merger refuses to
                auto-resolve cross-major conflicts for packages outside its synced list
-               (oxc-*, vitest deps). For passthrough deps that vp does NOT import
+               (oxc-* and tinybench). For passthrough deps that vp does NOT import
                directly (e.g. `diff`, `acorn`, `astring`, anything only present in
                `rolldown/scripts/package.json` or vite's internals), bump vp's
                `pnpm-workspace.yaml` catalog entry to match the rolldown/vite version,

.typos.toml

@@ -1,3 +1,7 @@
+[default]
+# Vitest v4 used this misspelled directory; the migrator must recognize it.
+extend-ignore-re = ['\.vitest-attachements\b']
+
 [default.extend-words]
 ratatui = "ratatui"
 PUNICODE = "PUNICODE"

Cargo.toml

@@ -256,7 +256,7 @@ reqwest = { version = "0.13", default-features = false }
 rolldown-notify = "10.2.0"
 rolldown-notify-debouncer-full = "0.7.5"
 rustc-hash = "2.1.1"
-rustls = { version = "0.23", default-features = false, features = ["ring", "std", "tls12"] }
+rustls = { version = "0.23.45", default-features = false, features = ["ring", "std", "tls12"] }
 same-file = "1.0.6"
 schemars = "1.0.0"
 self_cell = "1.2.0"

README.md

@@ -207,7 +207,7 @@ Add package-manager overrides so that other packages use the Vite+ versions. Ali
 ```json
 "overrides": {
   "vite": "npm:@voidzero-dev/vite-plus-core@latest",
-  "vitest": "4.1.11"
+  "vitest": "5.0.1"
 }
 ```
 
@@ -216,15 +216,15 @@ If you are using `pnpm`, add this to your `pnpm-workspace.yaml`:
 ```yaml
 overrides:
   vite: npm:@voidzero-dev/vite-plus-core@latest
-  vitest: 4.1.11
+  vitest: 5.0.1
 ```
 
 Or, if you are using Yarn:
 
 ```json
 "resolutions": {
   "vite": "npm:@voidzero-dev/vite-plus-core@latest",
-  "vitest": "4.1.11"
+  "vitest": "5.0.1"
 }
 ```
 

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/command_add_yarn4/snapshots/command_add_yarn4.md

@@ -50,7 +50,7 @@ should add package as dev dependencies
 ➤ YN0000: └ Completed
 ➤ YN0000: ┌ Link step
 ➤ YN0000: └ Completed
-➤ YN0000: · Done in <duration> <duration>
+➤ YN0000: · Done in <duration>
 ```
 
 ## `vpt print-file package.json`
@@ -81,7 +81,7 @@ warn: yarn does not support --allow-build.
 ➤ YN0000: └ Completed
 ➤ YN0000: ┌ Link step
 ➤ YN0000: └ Completed
-➤ YN0000: · Done in <duration> <duration>
+➤ YN0000: · Done in <duration>
 ```
 
 ## `vpt print-file package.json`
@@ -114,7 +114,7 @@ VITE+ - The Unified Toolchain for the Web
 ➤ YN0000: └ Completed
 ➤ YN0000: ┌ Link step
 ➤ YN0000: └ Completed
-➤ YN0000: · Done in <duration> <duration>
+➤ YN0000: · Done in <duration>
 ```
 
 ## `vpt print-file package.json`
@@ -150,7 +150,7 @@ should add package as optional dependencies
 ➤ YN0000: └ Completed
 ➤ YN0000: ┌ Link step
 ➤ YN0000: └ Completed
-➤ YN0000: · Done in <duration> <duration>
+➤ YN0000: · Done in <duration>
 ```
 
 ## `vpt print-file package.json`
@@ -187,7 +187,7 @@ support pass through arguments
 ➤ YN0000: └ Completed
 ➤ YN0000: ┌ Link step
 ➤ YN0000: └ Completed
-➤ YN0000: · Done in <duration> <duration>
+➤ YN0000: · Done in <duration>
 ```
 
 ## `vpt print-file package.json`