Add tests

.github/workflows/test-api.yaml

@@ -1,4 +1,4 @@
-name: Test API
+name: Test DragaliaAPI
 
 on:
   push:

.github/workflows/test-worker.yaml

@@ -0,0 +1,25 @@
+name: Test MaintenanceWorker
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths:
+      - MaintenanceWorker/**
+
+jobs:
+  vitest:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
+      - name: Install dependencies
+        run: |
+          cd MaintenanceWorker
+          pnpm install
+
+      - name: Run tests
+        run: pnpm run test

MaintenanceWorker/package.json

@@ -1,11 +1,19 @@
 {
   "name": "maintenance-worker",
+  "packageManager": "[email protected]",
   "version": "1.0.0",
   "description": "Cloudflare worker for showing the maintenance screen even if the origin server is down",
   "devDependencies": {
+    "@msgpack/msgpack": "3.0.0-beta2",
+    "@types/jest": "29.5.12",
+    "miniflare": "3.20240605.0",
+    "vitest": "1.6.0",
+    "vitest-environment-miniflare": "2.14.2",
     "wrangler": "3.57.0"
   },
+  "type": "module",
   "scripts": {
-    "start": "pnpm exec wrangler dev"
+    "start": "pnpm exec wrangler dev",
+    "test": "pnpm exec vitest run"
   }
 }