add Unit Unit and better typing

Author: Maxime-Cllt

README.md

@@ -78,6 +78,24 @@ To quickly test FileFlow:
 4. **Upload and Insert**: Upload your CSV file and start the insertion process. Monitor progress with the on-screen
    loader.
 
+## 🧪 Code Quality
+
+### Unit Tests available
+
+To run unit tests, use the following command:
+
+```bash
+cargo test
+```
+
+### Benchmarks available
+
+To run benchmarks, use the following command:
+
+```bash
+cargo bench
+```
+
 ## 🤝 Contributing
 
 Contributions are welcome! To contribute:

jest.config.js

@@ -0,0 +1,31 @@
+export default {
+    preset: 'ts-jest/presets/default-esm',
+    extensionsToTreatAsEsm: ['.ts', '.tsx'],
+    testEnvironment: 'node',
+    roots: ['<rootDir>/src'],
+    testMatch: [
+        '**/__tests__/**/*.+(ts|tsx|js)',
+        '**/*.(test|spec).+(ts|tsx|js)'
+    ],
+    transform: {
+        '^.+\\.(ts|tsx)$': ['ts-jest', {
+            useESM: true
+        }]
+    },
+    moduleNameMapping: {
+        '^(\\.{1,2}/.*)\\.js$': '$1'
+    },
+    collectCoverageFrom: [
+        'src/**/*.{ts,tsx}',
+        '!src/**/*.d.ts',
+        '!src/**/*.test.{ts,tsx}'
+    ],
+    coverageThreshold: {
+        global: {
+            branches: 90,
+            functions: 90,
+            lines: 90,
+            statements: 90
+        }
+    }
+};

package.json

@@ -7,7 +7,10 @@
     "dev": "vite",
     "build": "tsc && vite build",
     "preview": "vite preview",
-    "tauri": "tauri"
+    "tauri": "tauri",
+    "test": "jest",
+    "test:watch": "jest --watch",
+    "test:coverage": "jest --coverage"
   },
   "dependencies": {
     "@radix-ui/react-checkbox": "^1.3.2",
@@ -49,6 +52,9 @@
     "postcss": "^8.5.4",
     "tailwindcss": "^3.4.17",
     "typescript": "^5.8.3",
-    "vite": "^5.4.19"
+    "vite": "^5.4.19",
+    "@types/jest": "^29.5.0",
+    "jest": "^29.5.0",
+    "ts-jest": "^29.1.0"
   }
 }