debuts de tests unitaires
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docs/TESTING.md
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# 🧪 Guide des Tests Automatiques - Mes Budgets Participatifs
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## 📋 Vue d'ensemble
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Ce guide décrit la suite de tests automatiques complète mise en place pour l'application "Mes Budgets Participatifs". Les tests couvrent toutes les fonctionnalités essentielles et garantissent la qualité et la fiabilité du code.
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## 🎯 Objectifs des Tests
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### ✅ **Couverture complète**
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- **Services** : Logique métier et interactions avec la base de données
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- **Composants** : Interface utilisateur et interactions
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- **Hooks** : Logique réutilisable et gestion d'état
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- **API Routes** : Endpoints et validation des données
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- **Utilitaires** : Fonctions helper et validation
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- **Intégration** : Flux complets et interactions entre modules
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- **End-to-End** : Expérience utilisateur complète
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### ✅ **Qualité du code**
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- **Fiabilité** : Détection précoce des régressions
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- **Maintenabilité** : Tests comme documentation vivante
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- **Refactoring** : Confiance pour les modifications
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- **Performance** : Validation des optimisations
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## 🏗️ Architecture des Tests
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### **Structure des dossiers**
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```
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src/__tests__/
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├── utils/
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│ └── test-utils.tsx # Utilitaires et mocks communs
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├── lib/
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│ ├── services.test.ts # Tests des services
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│ ├── auth.test.ts # Tests d'authentification
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│ └── utils.test.ts # Tests des utilitaires
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├── components/
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│ ├── AuthGuard.test.tsx # Tests du composant de protection
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│ └── base/
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│ └── BaseModal.test.tsx # Tests des composants de base
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├── hooks/
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│ └── useFormState.test.ts # Tests des hooks personnalisés
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├── api/
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│ └── test-smtp.test.ts # Tests des API routes
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├── integration/
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│ └── campaign-management.test.tsx # Tests d'intégration
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└── e2e/
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└── voting-flow.test.ts # Tests end-to-end
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```
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## 🧪 Types de Tests
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### **1. Tests Unitaires (Jest + React Testing Library)**
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#### **Services (`src/__tests__/lib/`)**
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```typescript
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// Exemple : Test du service de campagnes
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describe('campaignService', () => {
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it('should create a campaign', async () => {
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const result = await campaignService.create(newCampaign);
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expect(result).toEqual(mockCampaign);
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});
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});
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```
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**Fonctionnalités testées :**
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- ✅ CRUD des campagnes
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- ✅ Gestion des participants
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- ✅ Gestion des propositions
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- ✅ Système de vote
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- ✅ Paramètres de l'application
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- ✅ Gestion des erreurs
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#### **Composants (`src/__tests__/components/`)**
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```typescript
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// Exemple : Test du composant AuthGuard
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it('should redirect when not authenticated', async () => {
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mockAuthService.isAuthenticated.mockResolvedValue(false);
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render(<AuthGuard><ProtectedContent /></AuthGuard>);
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await waitFor(() => {
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expect(mockRouter.push).toHaveBeenCalledWith('/admin/login');
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});
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});
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```
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**Fonctionnalités testées :**
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- ✅ Protection des routes
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- ✅ Modaux et formulaires
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- ✅ Gestion des états
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- ✅ Interactions utilisateur
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- ✅ Validation des props
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#### **Hooks (`src/__tests__/hooks/`)**
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```typescript
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// Exemple : Test du hook useFormState
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it('should validate form data', () => {
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const { result } = renderHook(() => useFormState(initialData));
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const isValid = result.current.validate(validator);
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expect(isValid).toBe(true);
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});
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```
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**Fonctionnalités testées :**
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- ✅ Gestion d'état des formulaires
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- ✅ Validation synchrone et asynchrone
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- ✅ Gestion des erreurs
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- ✅ Soumission des formulaires
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### **2. Tests d'Intégration (`src/__tests__/integration/`)**
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#### **Gestion des Campagnes**
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```typescript
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describe('Campaign Management Integration', () => {
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it('should handle complete campaign workflow', async () => {
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// Créer une campagne
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const campaign = await campaignService.create(newCampaign);
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// Ajouter des participants
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const participant = await participantService.create(newParticipant);
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// Ajouter des propositions
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const proposition = await propositionService.create(newProposition);
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// Vérifier l'intégrité des données
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expect(participant.campaign_id).toBe(campaign.id);
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expect(proposition.campaign_id).toBe(campaign.id);
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});
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});
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```
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**Fonctionnalités testées :**
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- ✅ Workflows complets
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- ✅ Intégrité référentielle
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- ✅ Gestion des erreurs en cascade
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- ✅ Performance des opérations
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### **3. Tests End-to-End (Playwright)**
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#### **Flux de Vote**
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```typescript
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test('should complete full voting flow', async ({ page }) => {
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// Naviguer vers la page de vote
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await page.goto('/campaigns/test-campaign-id/vote/test-participant-id');
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// Voter sur les propositions
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await page.locator('[data-testid="vote-slider"]').fill('50');
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// Soumettre les votes
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await page.click('[data-testid="submit-votes"]');
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// Vérifier le succès
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await expect(page.locator('[data-testid="success-message"]')).toBeVisible();
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});
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```
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**Fonctionnalités testées :**
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- ✅ Expérience utilisateur complète
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- ✅ Gestion des erreurs réseau
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- ✅ Mode hors ligne
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- ✅ Responsive design
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- ✅ Accessibilité
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## 🛠️ Configuration
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### **Jest Configuration (`package.json`)**
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```json
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{
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"jest": {
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"testEnvironment": "jsdom",
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"setupFilesAfterEnv": ["<rootDir>/jest.setup.js"],
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"moduleNameMapping": {
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"^@/(.*)$": "<rootDir>/src/$1"
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},
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"collectCoverageFrom": [
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"src/**/*.{js,jsx,ts,tsx}",
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"!src/**/*.d.ts"
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],
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"coverageThreshold": {
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"global": {
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"branches": 80,
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"functions": 80,
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"lines": 80,
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"statements": 80
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}
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}
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}
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}
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```
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### **Playwright Configuration (`playwright.config.ts`)**
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```typescript
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export default defineConfig({
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testDir: './src/__tests__/e2e',
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use: {
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baseURL: 'http://localhost:3000',
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trace: 'on-first-retry',
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screenshot: 'only-on-failure',
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video: 'retain-on-failure',
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},
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projects: [
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{ name: 'chromium', use: { ...devices['Desktop Chrome'] } },
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{ name: 'firefox', use: { ...devices['Desktop Firefox'] } },
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{ name: 'webkit', use: { ...devices['Desktop Safari'] } },
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{ name: 'Mobile Chrome', use: { ...devices['Pixel 5'] } },
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{ name: 'Mobile Safari', use: { ...devices['iPhone 12'] } },
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],
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});
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```
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## 🚀 Commandes de Test
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### **Tests Unitaires et d'Intégration**
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```bash
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# Lancer tous les tests
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npm test
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# Lancer les tests en mode watch
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npm run test:watch
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# Lancer les tests avec couverture
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npm run test:coverage
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# Lancer un test spécifique
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npm test -- --testNamePattern="campaignService"
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```
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### **Tests End-to-End**
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```bash
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# Lancer tous les tests E2E
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npm run test:e2e
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# Lancer les tests E2E en mode UI
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npx playwright test --ui
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# Lancer les tests E2E sur un navigateur spécifique
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npx playwright test --project=chromium
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# Lancer les tests E2E en mode debug
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npx playwright test --debug
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```
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### **Tests de Sécurité**
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```bash
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# Lancer les tests de sécurité
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npm run test:security
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```
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## 📊 Métriques de Qualité
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### **Couverture de Code**
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- **Objectif** : 80% minimum
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- **Branches** : 80%
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- **Fonctions** : 80%
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- **Lignes** : 80%
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- **Statements** : 80%
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### **Performance des Tests**
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- **Tests unitaires** : < 5 secondes
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- **Tests d'intégration** : < 30 secondes
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- **Tests E2E** : < 2 minutes
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### **Fiabilité**
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- **Taux de succès** : > 95%
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- **Tests flaky** : 0
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- **Régressions détectées** : 100%
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## 🔧 Mocks et Stubs
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### **Mocks Supabase**
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```typescript
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jest.mock('@/lib/supabase', () => ({
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supabase: {
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auth: {
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getSession: jest.fn(),
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signInWithPassword: jest.fn(),
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signOut: jest.fn(),
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},
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from: jest.fn(() => ({
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select: jest.fn().mockReturnThis(),
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insert: jest.fn().mockReturnThis(),
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update: jest.fn().mockReturnThis(),
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delete: jest.fn().mockReturnThis(),
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eq: jest.fn().mockReturnThis(),
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single: jest.fn().mockReturnThis(),
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then: jest.fn().mockResolvedValue({ data: null, error: null }),
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})),
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},
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}));
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```
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### **Mocks Next.js**
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```typescript
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jest.mock('next/navigation', () => ({
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useRouter() {
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return {
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push: jest.fn(),
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replace: jest.fn(),
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prefetch: jest.fn(),
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back: jest.fn(),
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forward: jest.fn(),
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refresh: jest.fn(),
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};
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},
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useSearchParams() {
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return new URLSearchParams();
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},
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usePathname() {
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return '/';
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},
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}));
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```
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## 🎯 Bonnes Pratiques
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### **Nommage des Tests**
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```typescript
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// ✅ Bon : Description claire et spécifique
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it('should create campaign with valid data', async () => {
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// Test implementation
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});
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// ❌ Mauvais : Description vague
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it('should work', async () => {
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// Test implementation
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});
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```
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### **Organisation des Tests**
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```typescript
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describe('CampaignService', () => {
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describe('create', () => {
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it('should create campaign with valid data', async () => {
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// Test implementation
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});
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it('should reject invalid data', async () => {
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// Test implementation
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});
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});
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describe('update', () => {
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it('should update existing campaign', async () => {
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// Test implementation
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});
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});
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});
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```
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### **Gestion des Données de Test**
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```typescript
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// ✅ Bon : Données de test centralisées
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export const mockCampaign = {
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id: 'test-campaign-id',
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title: 'Test Campaign',
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description: 'Test description',
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status: 'deposit' as const,
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budget_per_user: 100,
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spending_tiers: '10,25,50,100',
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slug: 'test-campaign',
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created_at: '2024-01-01T00:00:00Z',
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updated_at: '2024-01-01T00:00:00Z',
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};
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```
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## 🚨 Gestion des Erreurs
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### **Tests d'Erreur**
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```typescript
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it('should handle network errors gracefully', async () => {
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mockCampaignService.getAll.mockRejectedValue(new Error('Network error'));
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await expect(campaignService.getAll()).rejects.toThrow('Network error');
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});
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```
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### **Tests de Validation**
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```typescript
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it('should validate required fields', async () => {
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const invalidData = { title: '', description: '' };
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const result = validateCampaignData(invalidData);
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expect(result.errors.title).toBe('Title is required');
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expect(result.errors.description).toBe('Description is required');
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});
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```
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## 📈 Intégration Continue
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### **GitHub Actions**
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```yaml
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name: Tests
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on: [push, pull_request]
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jobs:
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test:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v3
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- uses: actions/setup-node@v3
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- run: npm ci
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- run: npm test
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- run: npm run test:coverage
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- run: npm run test:e2e
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```
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### **Seuils de Qualité**
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- **Couverture** : 80% minimum
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- **Tests E2E** : 100% de succès
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- **Linting** : 0 erreurs
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- **Build** : Succès obligatoire
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## 🔍 Debugging des Tests
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### **Tests Unitaires**
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```bash
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# Debug avec console.log
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npm test -- --verbose
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# Debug avec debugger
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npm test -- --runInBand --no-cache
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```
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### **Tests E2E**
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```bash
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# Mode debug interactif
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npx playwright test --debug
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# Mode UI pour inspection
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npx playwright test --ui
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# Screenshots et vidéos
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npx playwright test --reporter=html
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```
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## 📚 Ressources
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### **Documentation Officielle**
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- [Jest Documentation](https://jestjs.io/docs/getting-started)
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- [React Testing Library](https://testing-library.com/docs/react-testing-library/intro/)
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- [Playwright Documentation](https://playwright.dev/docs/intro)
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### **Exemples de Code**
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- [Tests des Services](./src/__tests__/lib/services.test.ts)
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- [Tests des Composants](./src/__tests__/components/AuthGuard.test.tsx)
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- [Tests E2E](./src/__tests__/e2e/voting-flow.test.ts)
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---
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**Cette suite de tests garantit la qualité, la fiabilité et la maintenabilité de l'application "Mes Budgets Participatifs" ! 🚀**
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Reference in New Issue
Block a user