test: support server-side unit testing (#2485)

.github/workflows/ci.yml

@@ -127,6 +127,51 @@ jobs:
       - name: Build
         run: pnpm build
 
+  unit-test:
+    name: Unit Tests
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-24.04
+    container: node:22.22.0-alpine3.22@sha256:0c49915657c1c77c64c8af4d91d2f13fe96853bbd957993ed00dd592cbecc284
+    permissions:
+      checks: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        with:
+          persist-credentials: false
+
+      - name: Pnpm Setup
+        uses: pnpm/action-setup@41ff72655975bd51cab0327fa583b6e92b6d3061 # v4.2.0
+
+      - name: Get pnpm store directory
+        shell: sh
+        run: |
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+
+      - name: Setup pnpm cache
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
+
+      - name: Install dependencies
+        env:
+          CI: true
+        run: pnpm install
+
+      - name: Run tests
+        env:
+          CI: true
+        run: pnpm test
+
+      - name: Publish test report
+        uses: mikepenz/action-junit-report@74626db7353a25a20a72816467ebf035f674c5f8 # v6.2.0
+        if: success() || failure() # always run even if the previous step fails
+        with:
+          report_paths: 'report.xml'
+
   build:
     name: Build (per-arch, native runners)
     if: github.ref == 'refs/heads/develop'