nodejs · nodejs-github-bot · Apr 18, 2026 · Apr 10, 2026
diff --git a/.github/actions/undici-wpt-current/action.yml b/.github/actions/undici-wpt-current/action.yml
@@ -0,0 +1,56 @@
+name: Run undici WPT (current)
+description: Runs undici WPT tests for undici >= 7 and merges results into the Node.js WPT report
+
+inputs:
+  undici-version:
+    required: true
+    description: undici version tag to checkout
+  wpt-report:
+    required: true
+    description: Path to the Node.js WPT report to merge into
+
+runs:
+  using: composite
+  steps:
+    - name: Checkout undici
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
+      with:
+        repository: nodejs/undici
+        persist-credentials: false
+        path: undici
+        clean: false
+        ref: ${{ inputs.undici-version }}
+    - name: Prepare WPT checkout
+      shell: bash
+      run: |
+        rm -rf undici/test/web-platform-tests/wpt
+        mv test/fixtures/wpt undici/test/web-platform-tests/wpt
+    - name: Configure hosts
+      shell: bash
+      working-directory: undici/test/web-platform-tests/wpt
+      run: python3 wpt make-hosts-file | sudo tee -a /etc/hosts
+    - name: Install dependencies
+      shell: bash
+      working-directory: undici
+      run: npm install
+    - name: Run WPT
+      shell: bash
+      working-directory: undici
+      env:
+        CI: 'true'
+        WPT_REPORT: ${{ github.workspace }}/undici/wptreport.json
+      run: npm run test:wpt || true
+    - name: Merge report
+      shell: bash
+      env:
+        NODE_WPT_REPORT: ${{ inputs.wpt-report }}
+        UNDICI_WPT_REPORT: ${{ github.workspace }}/undici/wptreport.json
+      run: |
+        if [ -f "$UNDICI_WPT_REPORT" ]; then
+          jq -sc '
+            .[0].results += .[1].results |
+            .[0].time_end = .[1].time_end |
+            .[0]
+          ' "$NODE_WPT_REPORT" "$UNDICI_WPT_REPORT" > "${NODE_WPT_REPORT}.tmp"
+          mv "${NODE_WPT_REPORT}.tmp" "$NODE_WPT_REPORT"
+        fi
diff --git a/.github/actions/undici-wpt-legacy/action.yml b/.github/actions/undici-wpt-legacy/action.yml
@@ -0,0 +1,37 @@
+name: Run undici WPT (legacy)
+description: Runs undici WPT tests for undici < 7 and appends results to the Node.js WPT report
+
+inputs:
+  undici-version:
+    required: true
+    description: undici version tag to checkout
+  wpt-report:
+    required: true
+    description: Path to the Node.js WPT report
+
+runs:
+  using: composite
+  steps:
+    - name: Checkout undici
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
+      with:
+        repository: nodejs/undici
+        persist-credentials: false
+        path: undici
+        clean: false
+        ref: ${{ inputs.undici-version }}
+    - name: Prepare WPT checkout
+      shell: bash
+      run: |
+        rm -rf undici/test/wpt/tests
+        mv test/fixtures/wpt undici/test/wpt/tests
+    - name: Install dependencies
+      shell: bash
+      working-directory: undici
+      run: npm install
+    - name: Run WPT
+      shell: bash
+      working-directory: undici
+      env:
+        WPT_REPORT: ${{ inputs.wpt-report }}
+      run: npm run test:wpt || true
diff --git a/.github/workflows/daily-wpt-fyi.yml b/.github/workflows/daily-wpt-fyi.yml
@@ -96,6 +96,48 @@ jobs:
             echo "WPT_REPORT=$(pwd)/out/wpt/wptreport.json" >> $GITHUB_ENV
           fi
 
+      # undici WPT Runner
+      - name: Set env.UNDICI_VERSION
+        if: ${{ env.WPT_REPORT != '' }}
+        run: |
+          UNDICI_VERSION=$(jq -r '.version' < deps/undici/src/package.json)
+          echo "UNDICI_VERSION=v$UNDICI_VERSION" >> $GITHUB_ENV
+          if [ "${UNDICI_VERSION%%.*}" -ge 7 ]; then
+            echo "UNDICI_WPT=current" >> $GITHUB_ENV
+          else
+            echo "UNDICI_WPT=legacy" >> $GITHUB_ENV
+          fi
+      # Checkout composite actions from the default branch since the
+      # version-specific checkout above overwrites .github/actions/
+      - name: Checkout undici WPT actions
+        if: ${{ env.WPT_REPORT != '' }}
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
+        with:
+          sparse-checkout: |
+            .github/actions/undici-wpt-current
+            .github/actions/undici-wpt-legacy
+          sparse-checkout-cone-mode: false
+          persist-credentials: false
+          path: _wpt_actions
+          clean: false
+      - name: Place undici WPT actions
+        if: ${{ env.WPT_REPORT != '' }}
+        run: |
+          mkdir -p .github/actions
+          cp -r _wpt_actions/.github/actions/undici-wpt-* .github/actions/
+      - name: Run undici WPT (current)
+        if: ${{ env.UNDICI_WPT == 'current' }}
+        uses: ./.github/actions/undici-wpt-current
+        with:
+          undici-version: ${{ env.UNDICI_VERSION }}
+          wpt-report: ${{ env.WPT_REPORT }}
+      - name: Run undici WPT (legacy)
+        if: ${{ env.UNDICI_WPT == 'legacy' }}
+        uses: ./.github/actions/undici-wpt-legacy
+        with:
+          undici-version: ${{ env.UNDICI_VERSION }}
+          wpt-report: ${{ env.WPT_REPORT }}
+
       # Upload artifacts
       - name: Clone report for upload
         if: ${{ env.WPT_REPORT != '' }}