testing

package.json

@@ -7,7 +7,10 @@
         "dev": "vite",
         "build": "tsc -b && vite build",
         "lint": "eslint .",
-        "preview": "vite preview"
+        "preview": "vite preview",
+        "test": "vitest",
+        "test:run": "vitest run",
+        "test:coverage": "vitest run --coverage"
     },
     "dependencies": {
         "driver.js": "^1.4.0",
@@ -19,16 +22,22 @@
     },
     "devDependencies": {
         "@eslint/js": "^9.39.1",
+        "@testing-library/jest-dom": "^6.6.3",
+        "@testing-library/react": "^16.3.0",
+        "@testing-library/user-event": "^14.5.2",
         "@types/node": "^24.10.1",
         "@types/react": "^19.2.7",
         "@types/react-dom": "^19.2.3",
         "@vitejs/plugin-react": "^5.1.1",
+        "@vitest/coverage-v8": "^3.2.0",
         "eslint": "^9.39.1",
         "eslint-plugin-react-hooks": "^7.0.1",
         "eslint-plugin-react-refresh": "^0.4.24",
         "globals": "^16.5.0",
+        "happy-dom": "^17.4.4",
         "typescript": "~5.9.3",
         "typescript-eslint": "^8.48.0",
-        "vite": "^7.3.1"
+        "vite": "^7.3.1",
+        "vitest": "^3.2.0"
     }
 }