diff --git a/server/__tests__/auth.test.js b/server/__tests__/auth.test.js
new file mode 100644
index 0000000..f4c8ea4
--- /dev/null
+++ b/server/__tests__/auth.test.js
@@ -0,0 +1,103 @@
+const request = require('supertest');
+const AuthConfig = require('../config/auth.js');
+
+const mockConfig = {
+    "auth": {
+        "passportjs": [
+            {
+                "provider1": {
+                    "type": "oauth",
+                    "OAUTH_AUTHORIZATION_URL": "https://www.testurl.com/oauth2/authorize",
+                    "OAUTH_TOKEN_URL": "https://www.testurl.com/oauth2/token",
+                    "OAUTH_CLIENT_ID": "your_oauth_client_id",
+                    "OAUTH_CLIENT_SECRET": "your_oauth_client_secret",
+                    "OAUTH_CALLBACK_URL": "https://localhost:3000/auth/provider/callback",
+                    "OAUTH_ADD_SCOPE": "scopes",
+                    "OAUTH_ROLE_TEACHER_VALUE": "teacher-claim-value",
+                    "OAUTH_ROLE_STUDENT_VALUE": "student-claim-value"
+                }
+            },
+            {
+                "provider2": {
+                    "type": "oidc",
+                    "OIDC_CLIENT_ID": "your_oidc_client_id",
+                    "OIDC_CLIENT_SECRET": "your_oidc_client_secret",
+                    "OIDC_ISSUER_URL": "https://your-issuer.com",
+                    "OIDC_CALLBACK_URL": "http://localhost:3000/auth/oidc/callback"
+                }
+            }
+        ],
+        "simple-login": {
+            "enabled": true,
+            "name": "provider3",
+            "SESSION_SECRET": "your_session_secret"
+        }
+    }
+};
+
+// Créez une instance de AuthConfig en utilisant la configuration mockée
+describe('AuthConfig Class Tests', () => {
+    let authConfigInstance;
+
+    // Initialisez l'instance avec la configuration mockée
+    beforeAll(() => {
+        authConfigInstance = new AuthConfig();
+        authConfigInstance.loadConfigTest(mockConfig); // On injecte la configuration mockée
+    });
+
+    it('devrait retourner la configuration PassportJS', () => {
+        const config = authConfigInstance.getPassportJSConfig();
+        expect(config).toHaveProperty('provider1');
+        expect(config).toHaveProperty('provider2');
+    });
+
+    it('devrait retourner la configuration Simple Login', () => {
+        const config = authConfigInstance.getSimpleLoginConfig();
+        expect(config).toHaveProperty('name', 'provider3');
+        expect(config).toHaveProperty('SESSION_SECRET', 'your_session_secret');
+    });
+
+    it('devrait retourner les providers OAuth', () => {
+        const oauthProviders = authConfigInstance.getOAuthProviders();
+        expect(Array.isArray(oauthProviders)).toBe(true);
+        expect(oauthProviders.length).toBe(1);  // Il y a un seul provider OAuth
+        expect(oauthProviders[0]).toHaveProperty('provider1');
+    });
+
+    it('devrait valider la configuration des providers', () => {
+        expect(() => authConfigInstance.validateProvidersConfig()).not.toThrow();
+    });
+
+    it('devrait lever une erreur si une configuration manque', () => {
+        const invalidMockConfig = {
+            "auth": {
+                "passportjs": [
+                    {
+                        "provider1": {
+                            "type": "oauth",
+                            "OAUTH_CLIENT_ID": "your_oauth_client_id"  // Il manque des champs nécessaires
+                        }
+                    }
+                ]
+            }
+        };
+
+        const instanceWithInvalidConfig = new AuthConfig();
+        instanceWithInvalidConfig.loadConfigTest(invalidMockConfig);
+
+        // Vérifiez que l'erreur est lancée avec les champs manquants corrects
+        expect(() => instanceWithInvalidConfig.validateProvidersConfig()).toThrow(
+            new Error(`Configuration invalide pour les providers suivants : [
+  {
+    "provider": "provider1",
+    "missingFields": [
+      "OAUTH_AUTHORIZATION_URL",
+      "OAUTH_TOKEN_URL",
+      "OAUTH_CLIENT_SECRET",
+      "OAUTH_CALLBACK_URL"
+    ]
+  }
+]`)
+        );
+    });
+});
\ No newline at end of file
diff --git a/server/config/auth.js b/server/config/auth.js
index fc54497..b8b1f34 100644
--- a/server/config/auth.js
+++ b/server/config/auth.js
@@ -2,25 +2,29 @@ const fs = require('fs');
 const path = require('path');
 const pathAuthConfig = './auth_config.json';
 
+const configPath = path.join(__dirname, pathAuthConfig);
+
 class AuthConfig {
 
-  constructor(configPath) {
-    this.configPath = configPath;
-    this.config = this.loadConfig();
-    this.validateProvidersConfig();
-  }
+  config = null;
+
 
   // Méthode pour lire le fichier de configuration JSON
   loadConfig() {
     try {
-      const configData = fs.readFileSync(this.configPath, 'utf-8');
-      return JSON.parse(configData);
+      const configData = fs.readFileSync(configPath, 'utf-8');
+      this.config = JSON.parse(configData);
     } catch (error) {
       console.error("Erreur lors de la lecture du fichier de configuration :", error);
       return null;
     }
   }
 
+  // Méthode pour load le fichier de test
+  loadConfigTest(mockConfig) {
+    this.config = mockConfig;
+  }
+
   // Méthode pour retourner la configuration des fournisseurs PassportJS
   getPassportJSConfig() {
     if (this.config && this.config.auth && this.config.auth.passportjs) {
@@ -177,7 +181,4 @@ class AuthConfig {
 
 }
 
-// Utilisation de la classe ConfigManager
-const configPath = path.join(__dirname, pathAuthConfig);
-const instance = new AuthConfig(configPath);
-module.exports = instance;
+module.exports = AuthConfig;
diff --git a/server/controllers/auth.js b/server/controllers/auth.js
index 845e062..21fa3b1 100644
--- a/server/controllers/auth.js
+++ b/server/controllers/auth.js
@@ -1,17 +1,18 @@
-const authConfig = require('../config/auth.js');
+const AuthConfig = require('../config/auth.js');
 
 class authController {
 
     async getActive(req, res, next) {
-
         try {
 
-            const authActive = authConfig.getActiveAuth();
+            const authC = new AuthConfig();
+            authC.loadConfig();
+
+            const authActive = authC.getActiveAuth();
 
             const response = {
                 authActive
             };
-
             return res.json(response);
         }
         catch (error) {