added frontend test environment

frontend/package.json

@@ -7,7 +7,9 @@
     "dev": "vite",
     "build": "tsc -b && vite build",
     "lint": "eslint .",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "test": "vitest",
+    "test:ui": "vitest --ui"
   },
   "dependencies": {
     "react": "^19.2.4",
@@ -15,16 +17,21 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.39.4",
+    "@testing-library/jest-dom": "^6.9.1",
+    "@testing-library/react": "^16.3.2",
     "@types/node": "^24.12.0",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^6.0.1",
+    "@vitest/ui": "^4.1.2",
     "eslint": "^9.39.4",
     "eslint-plugin-react-hooks": "^7.0.1",
     "eslint-plugin-react-refresh": "^0.5.2",
     "globals": "^17.4.0",
+    "jsdom": "^29.0.1",
     "typescript": "~5.9.3",
     "typescript-eslint": "^8.57.0",
-    "vite": "^8.0.1"
+    "vite": "^8.0.1",
+    "vitest": "^4.1.2"
   }
 }

frontend/tests/main.test.ts

@@ -0,0 +1,7 @@
+import { it, expect, describe } from 'vitest'
+
+describe('group', () => {
+    it('should', () => {
+        expect(1).toBeTruthy();
+    })
+})

frontend/vitest.config.ts

@@ -0,0 +1,18 @@
+import { defineConfig } from 'vitest/config'
+import { loadEnv } from 'vite'
+
+export default defineConfig(({mode}) => {
+    const env = loadEnv(mode, process.cwd(), '')
+
+    return {
+        server: {
+            port: 51204,
+            host: '0.0.0.0',
+            allowedHosts: env.VITEST_PUBLIC_URL ? [env.VITEST_PUBLIC_URL] : [],
+        },
+        test: {
+            environment: 'jsdom',
+            env: loadEnv(mode, process.cwd(), '')
+        }
+    }
+});