chore: add test and use npm workspace

.github/workflows/test.yml

@@ -0,0 +1,42 @@
+name: Jest Tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Use Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20'
+        cache: 'npm'
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Start test server
+      run: npm run start:test &
+      # Run in background and continue
+
+    - name: Wait for server to be ready
+      run: |
+        timeout=30
+        while ! nc -z localhost 4004; do
+          if [ $timeout -le 0 ]; then
+            echo "Timeout waiting for server to start"
+            exit 1
+          fi
+          timeout=$((timeout-1))
+          sleep 1
+        done
+
+    - name: Run tests
+      run: npm test 

.gitignore

@@ -1 +1,2 @@
-/node_modules/
+/node_modules/
+coverage/

jest.config.js

@@ -0,0 +1,14 @@
+module.exports = {
+    testEnvironment: 'node',
+    testTimeout: 30000,
+    testMatch: [
+        "**/tests/**/*.test.js"
+    ],
+    verbose: true,
+    collectCoverage: true,
+    coverageDirectory: "coverage",
+    coverageReporters: [
+        "text",
+        "lcov"
+    ]
+}