diff --git a/bob_party/package.json b/bob_party/package.json
index 1f27ac5..e71c9e9 100644
--- a/bob_party/package.json
+++ b/bob_party/package.json
@@ -14,15 +14,20 @@
     "@react-navigation/stack": "^6.3.2",
     "expo": "^46.0.15",
     "expo-status-bar": "~1.4.0",
+    "jest": "^29.1.2",
+    "node": "^18.10.0",
     "react": "18.0.0",
     "react-dom": "18.0.0",
-    "react-native": "0.69.6",
+    "react-native": "^0.69.6",
     "react-native-gesture-handler": "^2.7.1",
     "react-native-safe-area-context": "^4.4.1",
     "react-native-web": "~0.18.7"
   },
   "devDependencies": {
     "@babel/core": "^7.12.9",
+    "@types/jest": "^29.1.2",
+    "@types/mocha": "^10.0.0",
+    "@types/node": "^18.8.4",
     "@types/react": "~18.0.14",
     "@types/react-native": "~0.69.1",
     "typescript": "~4.3.5"
diff --git a/bob_party/src/core/skin.test.ts b/bob_party/src/core/skin.test.ts
new file mode 100644
index 0000000..1f6b0ca
--- /dev/null
+++ b/bob_party/src/core/skin.test.ts
@@ -0,0 +1,25 @@
+import { Skin } from './Skin';
+
+let classique = new Skin('Classique', 'wouhou');
+
+test('skin Name : Classique', () => {
+    expect(classique.getSkinName).toBe('Classique');
+});
+
+describe('Get tests', () => {
+    it('should return Classique', () => {
+        expect(classique.getSkinName).toBe('Classique');
+    })
+    it('should return wouhou', () => {
+        expect(classique.getSkinSource).toBe('wouhou');
+    })
+})
+
+describe('Set tests', () => {
+    it('should return The Classique', () => {
+        expect(classique.setSkinName('The Classique')).toBe('The Classique');
+    })
+    it('should return The wouhou', () => {
+        expect(classique.setSkinSource('The wouhou')).toBe('The wouhou');
+    })
+})
\ No newline at end of file