feat(rstest-plugin): add standalone federation plugin package

.changeset/bright-ducks-laugh.md

@@ -0,0 +1,5 @@
+---
+"@module-federation/rstest": patch
+---
+
+Treat the node runtime plugin as an internal default, and warn when it is configured manually instead of duplicating it.

.changeset/clean-rstest-surface.md

@@ -0,0 +1,5 @@
+---
+'@module-federation/rstest': patch
+---
+
+Slim the public API to `federation`, `FEDERATION_PLUGIN_NAME`, and the option types: drop the `pluginModuleFederation` alias and stop re-exporting the internal `shouldKeepBundledForFederation` predicate.

.changeset/config.json

@@ -23,6 +23,7 @@
       "@module-federation/modern-js-v3",
       "@module-federation/retry-plugin",
       "@module-federation/rsbuild-plugin",
+      "@module-federation/rstest",
       "@module-federation/error-codes",
       "@module-federation/inject-external-runtime-core-plugin",
       "@module-federation/runtime-core",

.changeset/pretty-horses-boil.md

@@ -0,0 +1,5 @@
+---
+'@module-federation/rstest': patch
+---
+
+Infer remote transport from remote declarations in rstest federation mode and always enable async startup defaults.

.changeset/quiet-remotes-relax.md

@@ -0,0 +1,5 @@
+---
+'@module-federation/rsbuild-plugin': patch
+---
+
+Avoid wrapping Node-target Module Federation containers under the package name when the library name is not explicitly configured.

.changeset/tidy-schema-family.md

@@ -0,0 +1,5 @@
+---
+'@module-federation/enhanced': patch
+---
+
+Sync the JSON schema for `dts.remote.family` with the generated TypeScript schema by allowing `0` (auto address-family selection) alongside `4` and `6`.

.changeset/wise-donuts-explain.md

@@ -0,0 +1,5 @@
+---
+'@module-federation/rstest': patch
+---
+
+Add `@module-federation/rstest` as the package-level Rsbuild federation plugin, port the richer federation behavior from rstest core, and resolve the Node runtime plugin from the package's own context so consumers do not need to install `@module-federation/node` directly. This includes remote-name-aware externals bypassing, container-reference request handling, and node-target defaults that inject the resolved runtime plugin automatically.

.github/workflows/build-and-test.yml

@@ -137,6 +137,11 @@ jobs:
     uses: ./.github/workflows/e2e-router.yml
     secrets: inherit
 
+  e2e-rstest:
+    needs: checkout-install
+    uses: ./.github/workflows/e2e-rstest.yml
+    secrets: inherit
+
   e2e-metro:
     needs:
       - checkout-install

.github/workflows/e2e-rstest.yml

@@ -0,0 +1,75 @@
+name: E2E Test for Rstest Demos
+
+on:
+  workflow_call:
+
+permissions:
+  contents: read
+
+jobs:
+  e2e-rstest:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        with:
+          fetch-depth: 0
+
+      - name: Cache Tool Downloads
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+        with:
+          path: ~/.cache
+          key: ${{ runner.os }}-toolcache-${{ hashFiles('pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-toolcache-
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@b906affcce14559ad1aafd4ab0e942779e9f58b1 # v4
+
+      - name: Setup Node.js 20
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
+        with:
+          node-version: '20'
+          cache: 'pnpm'
+          cache-dependency-path: '**/pnpm-lock.yaml'
+
+      - name: Set SKIP_DEVTOOLS_POSTINSTALL environment variable
+        run: echo "SKIP_DEVTOOLS_POSTINSTALL=true" >> "$GITHUB_ENV"
+
+      - name: Install Dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Run condition check script
+        id: check-ci
+        run: |
+          ci_status=0
+          node tools/scripts/ci-is-affected.mjs --appName=rstest-demo,rstest-remote-demo,rstest-rsbuild-demo,rstest-rslib-demo || ci_status=$?
+          if [ "$ci_status" -eq 0 ]; then
+            echo "run-e2e=true" >> "$GITHUB_OUTPUT"
+          elif [ "$ci_status" -eq 1 ]; then
+            echo "run-e2e=false" >> "$GITHUB_OUTPUT"
+          else
+            echo "ci-is-affected failed with unexpected exit code: $ci_status" >&2
+            exit "$ci_status"
+          fi
+
+      - name: Install Playwright
+        if: steps.check-ci.outputs.run-e2e == 'true'
+        run: pnpm exec playwright install --with-deps chromium
+
+      - name: Run Build for Rstest Demos
+        if: steps.check-ci.outputs.run-e2e == 'true'
+        run: pnpm exec turbo run build --filter=rstest-demo --filter=rstest-remote-demo --filter=rstest-rsbuild-demo --filter=rstest-rslib-demo --concurrency=20
+
+      - name: E2E Test for rstest demos
+        if: steps.check-ci.outputs.run-e2e == 'true'
+        run: |
+          npx kill-port --port 3015,3016,3025,3035,3115,3125,3135 || true
+          pnpm --filter rstest-demo run test:node
+          pnpm --filter rstest-demo run test:browser
+          pnpm --filter rstest-rsbuild-demo run test:node
+          pnpm --filter rstest-rsbuild-demo run test:browser
+          pnpm --filter rstest-rslib-demo run test:node
+          pnpm --filter rstest-rslib-demo run test:browser
+          lsof -ti tcp:3015,3016,3025,3035,3115,3125,3135 | xargs kill || true

.gitignore

@@ -55,6 +55,7 @@ migrations.json
 # build contnt
 packages/**/dist
 apps/**/dist
+apps/rstest-remote/dist-node/
 
 **/@mf-types/**
 **/cypress/downloads

apps/rstest-remote/README.md

@@ -0,0 +1,25 @@
+# rstest remote demo
+
+Federated remote used by rstest demo apps.
+
+## Running demo
+
+- remote: [localhost:3016](http://localhost:3016/)
+
+## How to start
+
+```bash
+# from repo root
+pnpm i
+pnpm --filter rstest-remote-demo run serve
+```
+
+## Build targets
+
+```bash
+pnpm --filter rstest-remote-demo run build
+pnpm --filter rstest-remote-demo run build:node
+```
+
+- `build` emits browser remote output
+- `build:node` emits node/commonjs remote output for federation node tests

apps/rstest-remote/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "rstest-remote-demo",
+  "private": true,
+  "scripts": {
+    "build": "rspack build --config rspack.config.js",
+    "build:node": "rspack build --config rspack.node.config.js",
+    "serve": "rspack serve --config rspack.config.js --host 127.0.0.1 --port 3016"
+  },
+  "dependencies": {
+    "@module-federation/enhanced": "workspace:*",
+    "@module-federation/node": "workspace:*",
+    "react": "^19.2.3",
+    "react-dom": "^19.2.3"
+  },
+  "devDependencies": {
+    "@rspack/cli": "^1.6.8",
+    "@rspack/core": "^1.6.8",
+    "typescript": "^5.9.3"
+  }
+}

apps/rstest-remote/rspack.config.js

@@ -0,0 +1,70 @@
+const path = require('node:path');
+const {
+  ModuleFederationPlugin,
+} = require('@module-federation/enhanced/rspack');
+
+/** @type {import('@rspack/core').Configuration} */
+module.exports = {
+  mode: process.env.NODE_ENV === 'production' ? 'production' : 'development',
+  context: __dirname,
+  entry: './src/index.ts',
+  devtool: false,
+  output: {
+    clean: true,
+    publicPath: 'http://127.0.0.1:3016/',
+    path: path.resolve(__dirname, 'dist'),
+  },
+  resolve: {
+    extensions: ['.tsx', '.ts', '.jsx', '.js'],
+  },
+  module: {
+    rules: [
+      {
+        test: /\.[jt]sx?$/,
+        use: [
+          {
+            loader: 'builtin:swc-loader',
+            options: {
+              jsc: {
+                parser: {
+                  syntax: 'typescript',
+                  tsx: true,
+                },
+                transform: {
+                  react: {
+                    runtime: 'automatic',
+                  },
+                },
+              },
+            },
+          },
+        ],
+      },
+    ],
+  },
+  plugins: [
+    new ModuleFederationPlugin({
+      name: 'rstest_remote',
+      dts: false,
+      filename: 'remoteEntry.js',
+      exposes: {
+        './Button': './src/Button.tsx',
+      },
+      shared: {
+        react: {
+          singleton: true,
+        },
+        'react-dom': {
+          singleton: true,
+        },
+      },
+    }),
+  ],
+  devServer: {
+    host: '127.0.0.1',
+    port: 3016,
+    headers: {
+      'Access-Control-Allow-Origin': '*',
+    },
+  },
+};

apps/rstest-remote/rspack.node.config.js

@@ -0,0 +1,72 @@
+const path = require('node:path');
+const {
+  ModuleFederationPlugin,
+} = require('@module-federation/enhanced/rspack');
+
+/** @type {import('@rspack/core').Configuration} */
+module.exports = {
+  mode: process.env.NODE_ENV === 'production' ? 'production' : 'development',
+  context: __dirname,
+  entry: './src/index.ts',
+  target: 'async-node',
+  devtool: false,
+  output: {
+    clean: true,
+    publicPath: 'auto',
+    path: path.resolve(__dirname, 'dist-node'),
+    library: {
+      type: 'commonjs-module',
+    },
+  },
+  resolve: {
+    extensions: ['.tsx', '.ts', '.jsx', '.js'],
+  },
+  module: {
+    rules: [
+      {
+        test: /\.[jt]sx?$/,
+        use: [
+          {
+            loader: 'builtin:swc-loader',
+            options: {
+              jsc: {
+                parser: {
+                  syntax: 'typescript',
+                  tsx: true,
+                },
+                transform: {
+                  react: {
+                    runtime: 'automatic',
+                  },
+                },
+              },
+            },
+          },
+        ],
+      },
+    ],
+  },
+  plugins: [
+    new ModuleFederationPlugin({
+      name: 'rstest_remote',
+      dts: false,
+      filename: 'remoteEntry.js',
+      library: { type: 'commonjs-module' },
+      remoteType: 'commonjs-module',
+      runtimePlugins: [
+        require.resolve('@module-federation/node/runtimePlugin'),
+      ],
+      exposes: {
+        './Button': './src/Button.tsx',
+      },
+      shared: {
+        react: {
+          singleton: true,
+        },
+        'react-dom': {
+          singleton: true,
+        },
+      },
+    }),
+  ],
+};

apps/rstest-remote/src/Button.tsx

@@ -0,0 +1,7 @@
+export default function Button() {
+  return (
+    <button type="button" data-testid="remote-button">
+      Remote Button
+    </button>
+  );
+}

apps/rstest-remote/src/index.ts

@@ -0,0 +1 @@
+export { default as Button } from './Button';

apps/rstest-remote/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "jsx": "react-jsx",
+    "types": ["node"]
+  },
+  "include": ["src/**/*", "*.ts", "*.tsx"]
+}

apps/rstest-rsbuild/README.md

@@ -0,0 +1,34 @@
+# rstest rsbuild adapter demo
+
+Demonstrates `@rstest/adapter-rsbuild` with module federation test flows.
+
+## Running demo
+
+- host: [localhost:3025](http://localhost:3025/)
+- remote: [localhost:3016](http://localhost:3016/)
+
+## How to start
+
+```bash
+# from repo root
+pnpm i
+
+# terminal 1
+pnpm --filter rstest-remote-demo run serve
+
+# terminal 2
+pnpm --filter rstest-rsbuild-demo run serve
+```
+
+## Test commands
+
+```bash
+pnpm --filter rstest-rsbuild-demo run test:node
+pnpm --filter rstest-rsbuild-demo run test:browser
+```
+
+## What this covers
+
+- rstest config extension via `withRsbuildConfig`
+- federation node tests with node remote output
+- browser mode tests with adapter-derived build settings