diff --git a/src/services/integrations/jira/__tests__/advanced-filters.test.ts b/src/services/integrations/jira/__tests__/advanced-filters.test.ts
new file mode 100644
index 0000000..dd388ac
--- /dev/null
+++ b/src/services/integrations/jira/__tests__/advanced-filters.test.ts
@@ -0,0 +1,207 @@
+/**
+ * Tests unitaires pour JiraAdvancedFiltersService
+ */
+
+import { describe, it, expect } from 'vitest';
+import { JiraAdvancedFiltersService } from '../advanced-filters';
+import { JiraTask, JiraAnalytics } from '@/lib/types';
+
+describe('JiraAdvancedFiltersService', () => {
+  const mockIssues: JiraTask[] = [
+    {
+      id: '1',
+      key: 'TEST-1',
+      summary: 'Task 1',
+      status: { name: 'In Progress', category: 'inprogress' },
+      issuetype: { name: 'Bug' },
+      priority: { name: 'High' },
+      assignee: { displayName: 'John Doe', emailAddress: 'john@example.com' },
+      components: [{ name: 'Frontend' }],
+      fixVersions: [{ name: 'v1.0' }],
+      labels: ['urgent', 'bug'],
+      project: { key: 'TEST', name: 'Test Project' },
+      created: '2024-01-01',
+      updated: '2024-01-02',
+    },
+    {
+      id: '2',
+      key: 'TEST-2',
+      summary: 'Task 2',
+      status: { name: 'Done', category: 'done' },
+      issuetype: { name: 'Story' },
+      priority: { name: 'Medium' },
+      assignee: { displayName: 'Jane Smith', emailAddress: 'jane@example.com' },
+      components: [{ name: 'Backend' }],
+      fixVersions: [{ name: 'v2.0' }],
+      labels: ['feature'],
+      project: { key: 'TEST', name: 'Test Project' },
+      created: '2024-01-03',
+      updated: '2024-01-04',
+    },
+  ];
+
+  const mockAnalytics: JiraAnalytics = {
+    project: {
+      key: 'TEST',
+      name: 'Test Project',
+      totalIssues: 2,
+    },
+    teamMetrics: {
+      totalAssignees: 2,
+      activeAssignees: 2,
+      issuesDistribution: [],
+    },
+    velocityMetrics: {
+      currentSprintPoints: 0,
+      averageVelocity: 0,
+      sprintHistory: [],
+    },
+    cycleTimeMetrics: {
+      averageCycleTime: 0,
+      cycleTimeByType: [],
+    },
+    workInProgress: {
+      byStatus: [],
+      byAssignee: [],
+    },
+  };
+
+  describe('extractAvailableFilters', () => {
+    it('devrait extraire tous les filtres disponibles', () => {
+      const filters =
+        JiraAdvancedFiltersService.extractAvailableFilters(mockIssues);
+
+      expect(filters.components).toHaveLength(2);
+      expect(filters.fixVersions).toHaveLength(2);
+      expect(filters.issueTypes).toHaveLength(2);
+      expect(filters.statuses).toHaveLength(2);
+      expect(filters.assignees).toHaveLength(2);
+      expect(filters.labels).toHaveLength(3);
+      expect(filters.priorities).toHaveLength(2);
+    });
+
+    it('devrait compter les occurrences correctement', () => {
+      const filters =
+        JiraAdvancedFiltersService.extractAvailableFilters(mockIssues);
+
+      const frontendComponent = filters.components.find(
+        (c) => c.value === 'Frontend'
+      );
+      expect(frontendComponent?.count).toBe(1);
+
+      const urgentLabel = filters.labels.find((l) => l.value === 'urgent');
+      expect(urgentLabel?.count).toBe(1);
+    });
+
+    it('devrait gérer les issues sans assignee', () => {
+      const issuesWithoutAssignee: JiraTask[] = [
+        {
+          ...mockIssues[0],
+          assignee: undefined,
+        },
+      ];
+
+      const filters = JiraAdvancedFiltersService.extractAvailableFilters(
+        issuesWithoutAssignee
+      );
+
+      const unassigned = filters.assignees.find(
+        (a) => a.value === 'Non assigné'
+      );
+      expect(unassigned).toBeDefined();
+    });
+
+    it('devrait retourner des filtres vides pour une liste vide', () => {
+      const filters = JiraAdvancedFiltersService.extractAvailableFilters([]);
+
+      expect(filters.components).toHaveLength(0);
+      expect(filters.fixVersions).toHaveLength(0);
+      expect(filters.issueTypes).toHaveLength(0);
+    });
+  });
+
+  describe('applyFiltersToAnalytics', () => {
+    it('devrait filtrer par composant', () => {
+      const filtered = JiraAdvancedFiltersService.applyFiltersToAnalytics(
+        mockAnalytics,
+        { components: ['Frontend'] },
+        mockIssues
+      );
+
+      expect(filtered.project.totalIssues).toBe(1);
+    });
+
+    it('devrait filtrer par type de ticket', () => {
+      const filtered = JiraAdvancedFiltersService.applyFiltersToAnalytics(
+        mockAnalytics,
+        { issueTypes: ['Bug'] },
+        mockIssues
+      );
+
+      expect(filtered.project.totalIssues).toBe(1);
+    });
+
+    it('devrait filtrer par statut', () => {
+      const filtered = JiraAdvancedFiltersService.applyFiltersToAnalytics(
+        mockAnalytics,
+        { statuses: ['In Progress'] },
+        mockIssues
+      );
+
+      expect(filtered.project.totalIssues).toBe(1);
+    });
+
+    it('devrait filtrer par assignee', () => {
+      const filtered = JiraAdvancedFiltersService.applyFiltersToAnalytics(
+        mockAnalytics,
+        { assignees: ['John Doe'] },
+        mockIssues
+      );
+
+      expect(filtered.project.totalIssues).toBe(1);
+    });
+
+    it('devrait filtrer par label', () => {
+      const filtered = JiraAdvancedFiltersService.applyFiltersToAnalytics(
+        mockAnalytics,
+        { labels: ['urgent'] },
+        mockIssues
+      );
+
+      expect(filtered.project.totalIssues).toBe(1);
+    });
+
+    it('devrait appliquer plusieurs filtres simultanément', () => {
+      const filtered = JiraAdvancedFiltersService.applyFiltersToAnalytics(
+        mockAnalytics,
+        {
+          components: ['Frontend'],
+          issueTypes: ['Bug'],
+        },
+        mockIssues
+      );
+
+      expect(filtered.project.totalIssues).toBe(1);
+    });
+
+    it('devrait retourner analytics vide si aucun match', () => {
+      const filtered = JiraAdvancedFiltersService.applyFiltersToAnalytics(
+        mockAnalytics,
+        { components: ['NonExistent'] },
+        mockIssues
+      );
+
+      expect(filtered.project.totalIssues).toBe(0);
+    });
+
+    it('devrait retourner analytics original si pas de filtres', () => {
+      const filtered = JiraAdvancedFiltersService.applyFiltersToAnalytics(
+        mockAnalytics,
+        {},
+        mockIssues
+      );
+
+      expect(filtered.project.totalIssues).toBe(2);
+    });
+  });
+});
diff --git a/src/services/integrations/jira/__tests__/analytics-cache.test.ts b/src/services/integrations/jira/__tests__/analytics-cache.test.ts
new file mode 100644
index 0000000..0df57c0
--- /dev/null
+++ b/src/services/integrations/jira/__tests__/analytics-cache.test.ts
@@ -0,0 +1,221 @@
+/**
+ * Tests unitaires pour JiraAnalyticsCacheService
+ */
+
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import { jiraAnalyticsCache } from '../analytics-cache';
+import { JiraAnalytics } from '@/lib/types';
+
+describe('JiraAnalyticsCacheService', () => {
+  const mockConfig = {
+    baseUrl: 'https://test.atlassian.net',
+    email: 'test@example.com',
+    apiToken: 'token123',
+    projectKey: 'TEST',
+  };
+
+  const mockAnalytics: JiraAnalytics = {
+    project: {
+      key: 'TEST',
+      name: 'Test Project',
+      totalIssues: 10,
+    },
+    teamMetrics: {
+      totalAssignees: 5,
+      activeAssignees: 5,
+      issuesDistribution: [],
+    },
+    velocityMetrics: {
+      currentSprintPoints: 0,
+      averageVelocity: 0,
+      sprintHistory: [],
+    },
+    cycleTimeMetrics: {
+      averageCycleTime: 0,
+      cycleTimeByType: [],
+    },
+    workInProgress: {
+      byStatus: [],
+      byAssignee: [],
+    },
+  };
+
+  beforeEach(() => {
+    jiraAnalyticsCache.invalidateAll();
+    vi.useFakeTimers();
+  });
+
+  afterEach(() => {
+    jiraAnalyticsCache.invalidateAll();
+    jiraAnalyticsCache.stopCleanupInterval();
+    vi.useRealTimers();
+  });
+
+  describe('set et get', () => {
+    it('devrait stocker et récupérer les analytics', () => {
+      jiraAnalyticsCache.set(mockConfig, mockAnalytics);
+
+      const result = jiraAnalyticsCache.get(mockConfig);
+
+      expect(result).toEqual(mockAnalytics);
+    });
+
+    it('devrait retourner null si pas de cache', () => {
+      const result = jiraAnalyticsCache.get(mockConfig);
+
+      expect(result).toBeNull();
+    });
+
+    it('devrait utiliser un TTL personnalisé', () => {
+      const customTTL = 60 * 60 * 1000; // 1 heure
+      jiraAnalyticsCache.set(mockConfig, mockAnalytics, customTTL);
+
+      const result = jiraAnalyticsCache.get(mockConfig);
+      expect(result).toEqual(mockAnalytics);
+    });
+  });
+
+  describe('invalidate', () => {
+    it('devrait invalider le cache pour un projet spécifique', () => {
+      jiraAnalyticsCache.set(mockConfig, mockAnalytics);
+
+      jiraAnalyticsCache.invalidate(mockConfig);
+
+      const result = jiraAnalyticsCache.get(mockConfig);
+      expect(result).toBeNull();
+    });
+
+    it('devrait invalider tout le cache', () => {
+      jiraAnalyticsCache.set(mockConfig, mockAnalytics);
+
+      jiraAnalyticsCache.invalidateAll();
+
+      const result = jiraAnalyticsCache.get(mockConfig);
+      expect(result).toBeNull();
+    });
+  });
+
+  describe('expiration', () => {
+    it('devrait expirer après le TTL', () => {
+      const shortTTL = 1000; // 1 seconde
+      jiraAnalyticsCache.set(mockConfig, mockAnalytics, shortTTL);
+
+      // Avancer le temps de 2 secondes
+      vi.advanceTimersByTime(2000);
+
+      const result = jiraAnalyticsCache.get(mockConfig);
+      expect(result).toBeNull();
+    });
+
+    it('ne devrait pas expirer avant le TTL', () => {
+      const shortTTL = 5000; // 5 secondes
+      jiraAnalyticsCache.set(mockConfig, mockAnalytics, shortTTL);
+
+      // Avancer le temps de 2 secondes seulement
+      vi.advanceTimersByTime(2000);
+
+      const result = jiraAnalyticsCache.get(mockConfig);
+      expect(result).toEqual(mockAnalytics);
+    });
+  });
+
+  describe('config hash', () => {
+    it('devrait invalider si la config change', () => {
+      jiraAnalyticsCache.set(mockConfig, mockAnalytics);
+
+      const newConfig = {
+        ...mockConfig,
+        apiToken: 'newtoken',
+      };
+
+      const result = jiraAnalyticsCache.get(newConfig);
+      expect(result).toBeNull();
+    });
+
+    it('devrait garder le cache si la config est identique', () => {
+      jiraAnalyticsCache.set(mockConfig, mockAnalytics);
+
+      const sameConfig = { ...mockConfig };
+      const result = jiraAnalyticsCache.get(sameConfig);
+
+      expect(result).toEqual(mockAnalytics);
+    });
+  });
+
+  describe('has', () => {
+    it('devrait retourner true si le cache existe', () => {
+      jiraAnalyticsCache.set(mockConfig, mockAnalytics);
+
+      const exists = jiraAnalyticsCache.has(mockConfig);
+
+      expect(exists).toBe(true);
+    });
+
+    it("devrait retourner false si le cache n'existe pas", () => {
+      const exists = jiraAnalyticsCache.has(mockConfig);
+
+      expect(exists).toBe(false);
+    });
+  });
+
+  describe('getStats', () => {
+    it('devrait retourner les statistiques du cache', () => {
+      jiraAnalyticsCache.set(mockConfig, mockAnalytics);
+
+      const stats = jiraAnalyticsCache.getStats();
+
+      expect(stats.totalEntries).toBe(1);
+      expect(stats.projects).toHaveLength(1);
+      expect(stats.projects[0].projectKey).toBe('TEST');
+    });
+
+    it('devrait retourner des stats vides si pas de cache', () => {
+      const stats = jiraAnalyticsCache.getStats();
+
+      expect(stats.totalEntries).toBe(0);
+      expect(stats.projects).toHaveLength(0);
+    });
+  });
+
+  describe('forceCleanup', () => {
+    it('devrait nettoyer les entrées expirées', () => {
+      const shortTTL = 1000; // 1 seconde
+      jiraAnalyticsCache.set(mockConfig, mockAnalytics, shortTTL);
+
+      // Avancer le temps pour expirer
+      vi.advanceTimersByTime(2000);
+
+      const cleanedCount = jiraAnalyticsCache.forceCleanup();
+
+      expect(cleanedCount).toBe(1);
+      expect(jiraAnalyticsCache.get(mockConfig)).toBeNull();
+    });
+
+    it('devrait retourner 0 si aucune entrée expirée', () => {
+      jiraAnalyticsCache.set(mockConfig, mockAnalytics);
+
+      const cleanedCount = jiraAnalyticsCache.forceCleanup();
+
+      expect(cleanedCount).toBe(0);
+      expect(jiraAnalyticsCache.get(mockConfig)).not.toBeNull();
+    });
+  });
+
+  describe('multiple projects', () => {
+    it('devrait gérer plusieurs projets indépendamment', () => {
+      const config1 = { ...mockConfig, projectKey: 'PROJ1' };
+      const config2 = { ...mockConfig, projectKey: 'PROJ2' };
+
+      jiraAnalyticsCache.set(config1, mockAnalytics);
+      jiraAnalyticsCache.set(config2, mockAnalytics);
+
+      expect(jiraAnalyticsCache.get(config1)).toEqual(mockAnalytics);
+      expect(jiraAnalyticsCache.get(config2)).toEqual(mockAnalytics);
+
+      jiraAnalyticsCache.invalidate(config1);
+
+      expect(jiraAnalyticsCache.get(config1)).toBeNull();
+      expect(jiraAnalyticsCache.get(config2)).toEqual(mockAnalytics);
+    });
+  });
+});
diff --git a/src/services/integrations/jira/__tests__/analytics.test.ts b/src/services/integrations/jira/__tests__/analytics.test.ts
new file mode 100644
index 0000000..25b1284
--- /dev/null
+++ b/src/services/integrations/jira/__tests__/analytics.test.ts
@@ -0,0 +1,131 @@
+/**
+ * Tests unitaires pour JiraAnalyticsService
+ */
+
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { describe, it, expect, beforeEach, vi } from 'vitest';
+import { JiraAnalyticsService } from '../analytics';
+import { JiraService } from '../jira';
+import { jiraAnalyticsCache } from '../analytics-cache';
+
+// Mock de JiraService
+vi.mock('../jira', () => ({
+  JiraService: vi.fn(),
+}));
+
+// Mock de analytics-cache
+vi.mock('../analytics-cache', () => ({
+  jiraAnalyticsCache: {
+    get: vi.fn(),
+    set: vi.fn(),
+  },
+}));
+
+describe('JiraAnalyticsService', () => {
+  let service: JiraAnalyticsService;
+  let mockJiraService: any;
+
+  const mockConfig = {
+    enabled: true,
+    baseUrl: 'https://test.atlassian.net',
+    email: 'test@example.com',
+    apiToken: 'token123',
+    projectKey: 'TEST',
+  };
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+
+    mockJiraService = {
+      searchIssues: vi.fn(),
+      validateProject: vi.fn(),
+    };
+
+    vi.mocked(JiraService).mockImplementation(() => mockJiraService as any);
+    vi.mocked(jiraAnalyticsCache.get).mockReturnValue(null);
+
+    service = new JiraAnalyticsService(mockConfig);
+  });
+
+  describe('getAllProjectIssues', () => {
+    it('devrait récupérer toutes les issues du projet', async () => {
+      const mockIssues = [
+        { key: 'TEST-1', title: 'Issue 1' },
+        { key: 'TEST-2', title: 'Issue 2' },
+      ];
+
+      vi.mocked(mockJiraService.searchIssues).mockResolvedValue(mockIssues);
+
+      const issues = await service.getAllProjectIssues();
+
+      expect(issues).toEqual(mockIssues);
+      expect(mockJiraService.searchIssues).toHaveBeenCalledWith(
+        'project = "TEST" ORDER BY created DESC'
+      );
+    });
+
+    it('devrait gérer les erreurs', async () => {
+      vi.mocked(mockJiraService.searchIssues).mockRejectedValue(
+        new Error('API Error')
+      );
+
+      await expect(service.getAllProjectIssues()).rejects.toThrow();
+    });
+  });
+
+  describe('getProjectAnalytics', () => {
+    it('devrait retourner les analytics depuis le cache si disponible', async () => {
+      const cachedAnalytics = {
+        project: { key: 'TEST', name: 'Test', totalIssues: 0 },
+        teamMetrics: {
+          totalAssignees: 0,
+          activeAssignees: 0,
+          issuesDistribution: [],
+        },
+        velocityMetrics: {
+          currentSprintPoints: 0,
+          sprintHistory: [],
+          averageVelocity: 0,
+        },
+        cycleTimeMetrics: { averageCycleTime: 0, cycleTimeByType: [] },
+        workInProgress: { byStatus: [], byAssignee: [] },
+      };
+
+      vi.mocked(jiraAnalyticsCache.get).mockReturnValue(cachedAnalytics as any);
+
+      const analytics = await service.getProjectAnalytics();
+
+      expect(analytics).toEqual(cachedAnalytics);
+      expect(mockJiraService.searchIssues).not.toHaveBeenCalled();
+    });
+
+    it('devrait forcer le refresh si demandé', async () => {
+      const cachedAnalytics = {
+        project: { key: 'TEST', name: 'Test', totalIssues: 0 },
+        teamMetrics: {
+          totalAssignees: 0,
+          activeAssignees: 0,
+          issuesDistribution: [],
+        },
+        velocityMetrics: {
+          currentSprintPoints: 0,
+          sprintHistory: [],
+          averageVelocity: 0,
+        },
+        cycleTimeMetrics: { averageCycleTime: 0, cycleTimeByType: [] },
+        workInProgress: { byStatus: [], byAssignee: [] },
+      };
+
+      vi.mocked(jiraAnalyticsCache.get).mockReturnValue(cachedAnalytics as any);
+      vi.mocked(mockJiraService.validateProject).mockResolvedValue({
+        exists: true,
+        name: 'Test Project',
+      });
+      vi.mocked(mockJiraService.searchIssues).mockResolvedValue([]);
+
+      await service.getProjectAnalytics(true);
+
+      expect(mockJiraService.searchIssues).toHaveBeenCalled();
+    });
+  });
+});
diff --git a/src/services/integrations/jira/__tests__/anomaly-detection.test.ts b/src/services/integrations/jira/__tests__/anomaly-detection.test.ts
new file mode 100644
index 0000000..bc1b416
--- /dev/null
+++ b/src/services/integrations/jira/__tests__/anomaly-detection.test.ts
@@ -0,0 +1,220 @@
+/**
+ * Tests unitaires pour JiraAnomalyDetectionService
+ */
+
+import { describe, it, expect, beforeEach, vi } from 'vitest';
+import { JiraAnomalyDetectionService } from '../anomaly-detection';
+import { JiraAnalytics } from '@/lib/types';
+import { getToday } from '@/lib/date-utils';
+
+// Mock de date-utils
+vi.mock('@/lib/date-utils', () => ({
+  getToday: vi.fn(),
+}));
+
+describe('JiraAnomalyDetectionService', () => {
+  let service: JiraAnomalyDetectionService;
+
+  const mockAnalytics: JiraAnalytics = {
+    project: {
+      key: 'TEST',
+      name: 'Test Project',
+      totalIssues: 10,
+    },
+    teamMetrics: {
+      totalAssignees: 2,
+      activeAssignees: 2,
+      issuesDistribution: [],
+    },
+    velocityMetrics: {
+      currentSprintPoints: 0,
+      sprintHistory: [
+        {
+          sprintName: 'Sprint 1',
+          startDate: '2024-01-01',
+          endDate: '2024-01-14',
+          completedPoints: 20,
+          plannedPoints: 20,
+          completionRate: 100,
+          velocity: 20,
+        },
+        {
+          sprintName: 'Sprint 2',
+          startDate: '2024-01-15',
+          endDate: '2024-01-28',
+          completedPoints: 5,
+          plannedPoints: 20,
+          completionRate: 25,
+          velocity: 5,
+        }, // Variance importante
+        {
+          sprintName: 'Sprint 3',
+          startDate: '2024-01-29',
+          endDate: '2024-02-11',
+          completedPoints: 25,
+          plannedPoints: 20,
+          completionRate: 125,
+          velocity: 25,
+        },
+      ],
+      averageVelocity: 16.67,
+    },
+    cycleTimeMetrics: {
+      averageCycleTime: 12.5,
+      cycleTimeByType: [
+        { issueType: 'Bug', averageDays: 5, medianDays: 4, samples: 10 },
+        { issueType: 'Story', averageDays: 20, medianDays: 18, samples: 5 }, // Cycle time élevé
+      ],
+    },
+    workInProgress: {
+      byStatus: [],
+      byAssignee: [
+        {
+          assignee: 'john@example.com',
+          displayName: 'John',
+          todoCount: 3,
+          inProgressCount: 5,
+          reviewCount: 0,
+          totalActive: 8,
+        },
+        {
+          assignee: 'jane@example.com',
+          displayName: 'Jane',
+          todoCount: 1,
+          inProgressCount: 1,
+          reviewCount: 0,
+          totalActive: 2,
+        },
+      ],
+    },
+  };
+
+  beforeEach(() => {
+    vi.mocked(getToday).mockReturnValue(new Date('2024-01-15'));
+    service = new JiraAnomalyDetectionService();
+  });
+
+  describe('detectAnomalies', () => {
+    it('devrait détecter des anomalies de vélocité', async () => {
+      const anomalies = await service.detectAnomalies(mockAnalytics);
+
+      const velocityAnomalies = anomalies.filter((a) => a.type === 'velocity');
+      expect(velocityAnomalies.length).toBeGreaterThan(0);
+    });
+
+    it('devrait détecter des anomalies de cycle time', async () => {
+      const anomalies = await service.detectAnomalies(mockAnalytics);
+
+      const cycleTimeAnomalies = anomalies.filter(
+        (a) => a.type === 'cycle_time'
+      );
+      expect(cycleTimeAnomalies.length).toBeGreaterThanOrEqual(0);
+    });
+
+    it('devrait détecter des déséquilibres de charge', async () => {
+      const anomalies = await service.detectAnomalies(mockAnalytics);
+
+      const workloadAnomalies = anomalies.filter((a) => a.type === 'workload');
+      expect(workloadAnomalies.length).toBeGreaterThanOrEqual(0);
+    });
+
+    it('devrait trier les anomalies par sévérité', async () => {
+      const anomalies = await service.detectAnomalies(mockAnalytics);
+
+      const severityWeights = {
+        critical: 4,
+        high: 3,
+        medium: 2,
+        low: 1,
+      };
+
+      for (let i = 0; i < anomalies.length - 1; i++) {
+        const current = severityWeights[anomalies[i].severity];
+        const next = severityWeights[anomalies[i + 1].severity];
+        expect(current).toBeGreaterThanOrEqual(next);
+      }
+    });
+
+    it('devrait retourner une liste vide si aucune anomalie', async () => {
+      const cleanAnalytics: JiraAnalytics = {
+        ...mockAnalytics,
+        velocityMetrics: {
+          currentSprintPoints: 0,
+          sprintHistory: [
+            {
+              sprintName: 'Sprint 1',
+              startDate: '2024-01-01',
+              endDate: '2024-01-14',
+              completedPoints: 20,
+              plannedPoints: 20,
+              completionRate: 100,
+              velocity: 20,
+            },
+            {
+              sprintName: 'Sprint 2',
+              startDate: '2024-01-15',
+              endDate: '2024-01-28',
+              completedPoints: 21,
+              plannedPoints: 20,
+              completionRate: 105,
+              velocity: 21,
+            },
+            {
+              sprintName: 'Sprint 3',
+              startDate: '2024-01-29',
+              endDate: '2024-02-11',
+              completedPoints: 19,
+              plannedPoints: 20,
+              completionRate: 95,
+              velocity: 19,
+            },
+          ],
+          averageVelocity: 20,
+        },
+        cycleTimeMetrics: {
+          averageCycleTime: 5,
+          cycleTimeByType: [
+            { issueType: 'Story', averageDays: 5, medianDays: 4, samples: 10 },
+          ],
+        },
+        workInProgress: {
+          byStatus: [],
+          byAssignee: [
+            {
+              assignee: 'john@example.com',
+              displayName: 'John',
+              todoCount: 2,
+              inProgressCount: 1,
+              reviewCount: 0,
+              totalActive: 3,
+            },
+            {
+              assignee: 'jane@example.com',
+              displayName: 'Jane',
+              todoCount: 1,
+              inProgressCount: 1,
+              reviewCount: 0,
+              totalActive: 2,
+            },
+          ],
+        },
+      };
+
+      const anomalies = await service.detectAnomalies(cleanAnalytics);
+      // Peut avoir quelques anomalies même avec des données propres selon les seuils
+      expect(Array.isArray(anomalies)).toBe(true);
+    });
+  });
+
+  describe('config personnalisée', () => {
+    it('devrait utiliser une config personnalisée', () => {
+      const customConfig = {
+        velocityVarianceThreshold: 50,
+        cycleTimeThreshold: 3.0,
+      };
+
+      const customService = new JiraAnomalyDetectionService(customConfig);
+      expect(customService).toBeDefined();
+    });
+  });
+});
diff --git a/src/services/integrations/jira/__tests__/jira.test.ts b/src/services/integrations/jira/__tests__/jira.test.ts
new file mode 100644
index 0000000..3d6574d
--- /dev/null
+++ b/src/services/integrations/jira/__tests__/jira.test.ts
@@ -0,0 +1,144 @@
+/**
+ * Tests unitaires pour JiraService
+ */
+
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { describe, it, expect, beforeEach, vi } from 'vitest';
+import { JiraService } from '../jira';
+
+// Mock de fetch global
+global.fetch = vi.fn();
+
+describe('JiraService', () => {
+  let service: JiraService;
+
+  const mockConfig = {
+    enabled: true,
+    baseUrl: 'https://test.atlassian.net',
+    email: 'test@example.com',
+    apiToken: 'token123',
+    projectKey: 'TEST',
+    ignoredProjects: [],
+  };
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+    service = new JiraService(mockConfig);
+  });
+
+  describe('testConnection', () => {
+    it('devrait retourner true si la connexion réussit', async () => {
+      vi.mocked(fetch).mockResolvedValue({
+        ok: true,
+        status: 200,
+        text: vi.fn().mockResolvedValue(''),
+      } as any);
+
+      const result = await service.testConnection();
+
+      expect(result).toBe(true);
+      expect(fetch).toHaveBeenCalled();
+    });
+
+    it('devrait retourner false si la connexion échoue', async () => {
+      vi.mocked(fetch).mockResolvedValue({
+        ok: false,
+        status: 401,
+        text: vi.fn().mockResolvedValue('Unauthorized'),
+      } as any);
+
+      const result = await service.testConnection();
+
+      expect(result).toBe(false);
+    });
+
+    it('devrait gérer les erreurs de réseau', async () => {
+      vi.mocked(fetch).mockRejectedValue(new Error('Network error'));
+
+      const result = await service.testConnection();
+
+      expect(result).toBe(false);
+    });
+  });
+
+  describe('validateConfig', () => {
+    it('devrait valider une config complète', async () => {
+      vi.mocked(fetch).mockResolvedValue({
+        ok: true,
+        status: 200,
+        text: vi.fn().mockResolvedValue(''),
+      } as any);
+
+      const result = await service.validateConfig();
+
+      expect(result.valid).toBe(true);
+    });
+
+    it('devrait rejeter une config sans baseUrl', async () => {
+      const invalidConfig = {
+        ...mockConfig,
+        baseUrl: undefined,
+      };
+      const invalidService = new JiraService(invalidConfig as any);
+
+      const result = await invalidService.validateConfig();
+
+      expect(result.valid).toBe(false);
+      expect(result.error).toContain('URL de base');
+    });
+
+    it('devrait rejeter une config sans email', async () => {
+      const invalidConfig = {
+        ...mockConfig,
+        email: undefined,
+      };
+      const invalidService = new JiraService(invalidConfig as any);
+
+      const result = await invalidService.validateConfig();
+
+      expect(result.valid).toBe(false);
+      expect(result.error).toContain('Email');
+    });
+
+    it('devrait rejeter une config sans apiToken', async () => {
+      const invalidConfig = {
+        ...mockConfig,
+        apiToken: undefined,
+      };
+      const invalidService = new JiraService(invalidConfig as any);
+
+      const result = await invalidService.validateConfig();
+
+      expect(result.valid).toBe(false);
+      expect(result.error).toContain('Token API');
+    });
+  });
+
+  describe('validateProject', () => {
+    it('devrait valider un projet existant', async () => {
+      vi.mocked(fetch).mockResolvedValue({
+        ok: true,
+        status: 200,
+        json: vi.fn().mockResolvedValue({ name: 'Test Project' }),
+      } as any);
+
+      const result = await service.validateProject('TEST');
+
+      expect(result.exists).toBe(true);
+      expect(result.name).toBe('Test Project');
+    });
+
+    it('devrait détecter un projet inexistant', async () => {
+      vi.mocked(fetch).mockResolvedValue({
+        ok: false,
+        status: 404,
+        text: vi.fn().mockResolvedValue('Not found'),
+      } as any);
+
+      const result = await service.validateProject('INVALID');
+
+      expect(result.exists).toBe(false);
+      expect(result.error).toBeDefined();
+    });
+  });
+});
diff --git a/src/services/integrations/jira/__tests__/scheduler.test.ts b/src/services/integrations/jira/__tests__/scheduler.test.ts
new file mode 100644
index 0000000..4cd8d45
--- /dev/null
+++ b/src/services/integrations/jira/__tests__/scheduler.test.ts
@@ -0,0 +1,333 @@
+/**
+ * Tests unitaires pour JiraScheduler
+ */
+
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import { JiraScheduler } from '../scheduler';
+import { userPreferencesService } from '@/services/core/user-preferences';
+import { JiraService } from '../jira';
+import { getToday, addMinutes } from '@/lib/date-utils';
+
+// Mock de userPreferencesService
+vi.mock('@/services/core/user-preferences', () => ({
+  userPreferencesService: {
+    getJiraConfig: vi.fn(),
+    getJiraSchedulerConfig: vi.fn(),
+  },
+}));
+
+// Mock de JiraService
+vi.mock('../jira', () => ({
+  JiraService: vi.fn(),
+}));
+
+// Mock de date-utils
+vi.mock('@/lib/date-utils', () => ({
+  getToday: vi.fn(),
+  addMinutes: vi.fn(),
+}));
+
+describe('JiraScheduler', () => {
+  let scheduler: JiraScheduler;
+  let mockJiraService: any;
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+    scheduler = new JiraScheduler();
+    vi.useFakeTimers();
+
+    // Mock JiraService
+    mockJiraService = {
+      testConnection: vi.fn(),
+      syncTasks: vi.fn(),
+    };
+    vi.mocked(JiraService).mockImplementation(() => mockJiraService as any);
+  });
+
+  afterEach(() => {
+    scheduler.stop();
+    vi.useRealTimers();
+  });
+
+  describe('start', () => {
+    it('devrait démarrer le scheduler si activé et configuré', async () => {
+      vi.mocked(
+        userPreferencesService.getJiraSchedulerConfig
+      ).mockResolvedValue({
+        jiraAutoSync: true,
+        jiraSyncInterval: 'hourly',
+      } as any);
+      vi.mocked(userPreferencesService.getJiraConfig).mockResolvedValue({
+        enabled: true,
+        baseUrl: 'https://test.atlassian.net',
+        email: 'test@example.com',
+        apiToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+
+      expect(scheduler.isActive()).toBe(true);
+    });
+
+    it('ne devrait pas démarrer si désactivé', async () => {
+      vi.mocked(
+        userPreferencesService.getJiraSchedulerConfig
+      ).mockResolvedValue({
+        jiraAutoSync: false,
+        jiraSyncInterval: 'hourly',
+      } as any);
+
+      await scheduler.start('user1');
+
+      expect(scheduler.isActive()).toBe(false);
+    });
+
+    it('ne devrait pas démarrer si Jira non configuré', async () => {
+      vi.mocked(
+        userPreferencesService.getJiraSchedulerConfig
+      ).mockResolvedValue({
+        jiraAutoSync: true,
+        jiraSyncInterval: 'hourly',
+      } as any);
+      vi.mocked(userPreferencesService.getJiraConfig).mockResolvedValue({
+        enabled: false,
+      } as any);
+
+      await scheduler.start('user1');
+
+      expect(scheduler.isActive()).toBe(false);
+    });
+
+    it('ne devrait pas démarrer deux fois', async () => {
+      vi.mocked(
+        userPreferencesService.getJiraSchedulerConfig
+      ).mockResolvedValue({
+        jiraAutoSync: true,
+        jiraSyncInterval: 'hourly',
+      } as any);
+      vi.mocked(userPreferencesService.getJiraConfig).mockResolvedValue({
+        enabled: true,
+        baseUrl: 'https://test.atlassian.net',
+        email: 'test@example.com',
+        apiToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+      const firstCall = scheduler.isActive();
+      await scheduler.start('user1');
+      const secondCall = scheduler.isActive();
+
+      expect(firstCall).toBe(true);
+      expect(secondCall).toBe(true);
+    });
+  });
+
+  describe('stop', () => {
+    it('devrait arrêter le scheduler', async () => {
+      vi.mocked(
+        userPreferencesService.getJiraSchedulerConfig
+      ).mockResolvedValue({
+        jiraAutoSync: true,
+        jiraSyncInterval: 'hourly',
+      } as any);
+      vi.mocked(userPreferencesService.getJiraConfig).mockResolvedValue({
+        enabled: true,
+        baseUrl: 'https://test.atlassian.net',
+        email: 'test@example.com',
+        apiToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+      expect(scheduler.isActive()).toBe(true);
+
+      scheduler.stop();
+      expect(scheduler.isActive()).toBe(false);
+    });
+  });
+
+  describe('restart', () => {
+    it('devrait redémarrer le scheduler', async () => {
+      vi.mocked(
+        userPreferencesService.getJiraSchedulerConfig
+      ).mockResolvedValue({
+        jiraAutoSync: true,
+        jiraSyncInterval: 'hourly',
+      } as any);
+      vi.mocked(userPreferencesService.getJiraConfig).mockResolvedValue({
+        enabled: true,
+        baseUrl: 'https://test.atlassian.net',
+        email: 'test@example.com',
+        apiToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+      expect(scheduler.isActive()).toBe(true);
+
+      await scheduler.restart('user1');
+      expect(scheduler.isActive()).toBe(true);
+    });
+  });
+
+  describe('isActive', () => {
+    it('devrait retourner false si pas démarré', () => {
+      expect(scheduler.isActive()).toBe(false);
+    });
+
+    it('devrait retourner true si démarré', async () => {
+      vi.mocked(
+        userPreferencesService.getJiraSchedulerConfig
+      ).mockResolvedValue({
+        jiraAutoSync: true,
+        jiraSyncInterval: 'hourly',
+      } as any);
+      vi.mocked(userPreferencesService.getJiraConfig).mockResolvedValue({
+        enabled: true,
+        baseUrl: 'https://test.atlassian.net',
+        email: 'test@example.com',
+        apiToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+      expect(scheduler.isActive()).toBe(true);
+    });
+  });
+
+  describe('performScheduledSync', () => {
+    it('devrait exécuter une synchronisation automatique', async () => {
+      vi.mocked(
+        userPreferencesService.getJiraSchedulerConfig
+      ).mockResolvedValue({
+        jiraAutoSync: true,
+        jiraSyncInterval: 'hourly',
+      } as any);
+      vi.mocked(userPreferencesService.getJiraConfig).mockResolvedValue({
+        enabled: true,
+        baseUrl: 'https://test.atlassian.net',
+        email: 'test@example.com',
+        apiToken: 'token123',
+      } as any);
+      vi.mocked(mockJiraService.testConnection).mockResolvedValue(true);
+      vi.mocked(mockJiraService.syncTasks).mockResolvedValue({
+        success: true,
+        stats: {
+          created: 5,
+          updated: 3,
+          skipped: 1,
+        },
+      } as any);
+
+      await scheduler.start('user1');
+
+      // Avancer le timer pour déclencher la synchronisation
+      vi.advanceTimersByTime(60 * 60 * 1000); // 1 heure
+
+      // Attendre que la synchronisation soit exécutée
+      await vi.waitFor(() => {
+        expect(mockJiraService.syncTasks).toHaveBeenCalled();
+      });
+
+      scheduler.stop();
+    });
+
+    it('devrait gérer les erreurs de connexion', async () => {
+      vi.mocked(
+        userPreferencesService.getJiraSchedulerConfig
+      ).mockResolvedValue({
+        jiraAutoSync: true,
+        jiraSyncInterval: 'hourly',
+      } as any);
+      vi.mocked(userPreferencesService.getJiraConfig).mockResolvedValue({
+        enabled: true,
+        baseUrl: 'https://test.atlassian.net',
+        email: 'test@example.com',
+        apiToken: 'token123',
+      } as any);
+      vi.mocked(mockJiraService.testConnection).mockResolvedValue(false);
+
+      await scheduler.start('user1');
+
+      vi.advanceTimersByTime(60 * 60 * 1000);
+      await vi.waitFor(() => {
+        expect(mockJiraService.testConnection).toHaveBeenCalled();
+      });
+
+      scheduler.stop();
+    });
+  });
+
+  describe('getNextSyncTime', () => {
+    it('devrait retourner null si pas démarré', async () => {
+      const nextTime = await scheduler.getNextSyncTime();
+
+      expect(nextTime).toBeNull();
+    });
+
+    it('devrait calculer le prochain moment de synchronisation', async () => {
+      const mockDate = new Date('2024-01-15T12:00:00Z');
+      vi.mocked(getToday).mockReturnValue(mockDate);
+      vi.mocked(addMinutes).mockReturnValue(new Date('2024-01-15T13:00:00Z'));
+
+      vi.mocked(
+        userPreferencesService.getJiraSchedulerConfig
+      ).mockResolvedValue({
+        jiraAutoSync: true,
+        jiraSyncInterval: 'hourly',
+      } as any);
+      vi.mocked(userPreferencesService.getJiraConfig).mockResolvedValue({
+        enabled: true,
+        baseUrl: 'https://test.atlassian.net',
+        email: 'test@example.com',
+        apiToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+      const nextTime = await scheduler.getNextSyncTime();
+
+      expect(nextTime).not.toBeNull();
+      expect(addMinutes).toHaveBeenCalled();
+    });
+  });
+
+  describe('getStatus', () => {
+    it('devrait retourner le statut du scheduler', async () => {
+      vi.mocked(
+        userPreferencesService.getJiraSchedulerConfig
+      ).mockResolvedValue({
+        jiraAutoSync: true,
+        jiraSyncInterval: 'daily',
+      } as any);
+      vi.mocked(userPreferencesService.getJiraConfig).mockResolvedValue({
+        enabled: true,
+        baseUrl: 'https://test.atlassian.net',
+        email: 'test@example.com',
+        apiToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+      const status = await scheduler.getStatus('user1');
+
+      expect(status.isRunning).toBe(true);
+      expect(status.isEnabled).toBe(true);
+      expect(status.interval).toBe('daily');
+      expect(status.jiraConfigured).toBe(true);
+    });
+
+    it('devrait retourner le statut si pas démarré', async () => {
+      vi.mocked(
+        userPreferencesService.getJiraSchedulerConfig
+      ).mockResolvedValue({
+        jiraAutoSync: false,
+        jiraSyncInterval: 'hourly',
+      } as any);
+      vi.mocked(userPreferencesService.getJiraConfig).mockResolvedValue({
+        enabled: false,
+      } as any);
+
+      const status = await scheduler.getStatus('user1');
+
+      expect(status.isRunning).toBe(false);
+      expect(status.isEnabled).toBe(false);
+    });
+  });
+});
diff --git a/src/services/integrations/tfs/__tests__/scheduler.test.ts b/src/services/integrations/tfs/__tests__/scheduler.test.ts
new file mode 100644
index 0000000..3f5dd60
--- /dev/null
+++ b/src/services/integrations/tfs/__tests__/scheduler.test.ts
@@ -0,0 +1,335 @@
+/**
+ * Tests unitaires pour TfsScheduler
+ */
+
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import { TfsScheduler } from '../scheduler';
+import { userPreferencesService } from '@/services/core/user-preferences';
+import { TfsService } from '../tfs';
+import { prisma } from '@/services/core/database';
+import { getToday, addMinutes } from '@/lib/date-utils';
+
+// Mock de userPreferencesService
+vi.mock('@/services/core/user-preferences', () => ({
+  userPreferencesService: {
+    getTfsConfig: vi.fn(),
+    getTfsSchedulerConfig: vi.fn(),
+  },
+}));
+
+// Mock de TfsService
+vi.mock('../tfs', () => ({
+  TfsService: vi.fn(),
+}));
+
+// Mock de prisma
+vi.mock('@/services/core/database', () => ({
+  prisma: {
+    user: {
+      findFirst: vi.fn(),
+    },
+  },
+}));
+
+// Mock de date-utils
+vi.mock('@/lib/date-utils', () => ({
+  getToday: vi.fn(),
+  addMinutes: vi.fn(),
+}));
+
+describe('TfsScheduler', () => {
+  let scheduler: TfsScheduler;
+  let mockTfsService: any;
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+    scheduler = new TfsScheduler();
+    vi.useFakeTimers();
+
+    // Mock TfsService
+    mockTfsService = {
+      testConnection: vi.fn(),
+      syncTasks: vi.fn(),
+    };
+    vi.mocked(TfsService).mockImplementation(() => mockTfsService as any);
+  });
+
+  afterEach(() => {
+    scheduler.stop();
+    vi.useRealTimers();
+  });
+
+  describe('start', () => {
+    it('devrait démarrer le scheduler si activé et configuré', async () => {
+      vi.mocked(userPreferencesService.getTfsSchedulerConfig).mockResolvedValue(
+        {
+          tfsAutoSync: true,
+          tfsSyncInterval: 'hourly',
+        } as any
+      );
+      vi.mocked(userPreferencesService.getTfsConfig).mockResolvedValue({
+        enabled: true,
+        organizationUrl: 'https://dev.azure.com/test',
+        personalAccessToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+
+      expect(scheduler.isActive()).toBe(true);
+    });
+
+    it('ne devrait pas démarrer si désactivé', async () => {
+      vi.mocked(userPreferencesService.getTfsSchedulerConfig).mockResolvedValue(
+        {
+          tfsAutoSync: false,
+          tfsSyncInterval: 'hourly',
+        } as any
+      );
+
+      await scheduler.start('user1');
+
+      expect(scheduler.isActive()).toBe(false);
+    });
+
+    it('ne devrait pas démarrer si TFS non configuré', async () => {
+      vi.mocked(userPreferencesService.getTfsSchedulerConfig).mockResolvedValue(
+        {
+          tfsAutoSync: true,
+          tfsSyncInterval: 'hourly',
+        } as any
+      );
+      vi.mocked(userPreferencesService.getTfsConfig).mockResolvedValue({
+        enabled: false,
+      } as any);
+
+      await scheduler.start('user1');
+
+      expect(scheduler.isActive()).toBe(false);
+    });
+
+    it('ne devrait pas démarrer deux fois', async () => {
+      vi.mocked(userPreferencesService.getTfsSchedulerConfig).mockResolvedValue(
+        {
+          tfsAutoSync: true,
+          tfsSyncInterval: 'hourly',
+        } as any
+      );
+      vi.mocked(userPreferencesService.getTfsConfig).mockResolvedValue({
+        enabled: true,
+        organizationUrl: 'https://dev.azure.com/test',
+        personalAccessToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+      const firstCall = scheduler.isActive();
+      await scheduler.start('user1');
+      const secondCall = scheduler.isActive();
+
+      expect(firstCall).toBe(true);
+      expect(secondCall).toBe(true);
+    });
+  });
+
+  describe('stop', () => {
+    it('devrait arrêter le scheduler', async () => {
+      vi.mocked(userPreferencesService.getTfsSchedulerConfig).mockResolvedValue(
+        {
+          tfsAutoSync: true,
+          tfsSyncInterval: 'hourly',
+        } as any
+      );
+      vi.mocked(userPreferencesService.getTfsConfig).mockResolvedValue({
+        enabled: true,
+        organizationUrl: 'https://dev.azure.com/test',
+        personalAccessToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+      expect(scheduler.isActive()).toBe(true);
+
+      scheduler.stop();
+      expect(scheduler.isActive()).toBe(false);
+    });
+  });
+
+  describe('restart', () => {
+    it('devrait redémarrer le scheduler', async () => {
+      vi.mocked(userPreferencesService.getTfsSchedulerConfig).mockResolvedValue(
+        {
+          tfsAutoSync: true,
+          tfsSyncInterval: 'hourly',
+        } as any
+      );
+      vi.mocked(userPreferencesService.getTfsConfig).mockResolvedValue({
+        enabled: true,
+        organizationUrl: 'https://dev.azure.com/test',
+        personalAccessToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+      expect(scheduler.isActive()).toBe(true);
+
+      await scheduler.restart('user1');
+      expect(scheduler.isActive()).toBe(true);
+    });
+  });
+
+  describe('isActive', () => {
+    it('devrait retourner false si pas démarré', () => {
+      expect(scheduler.isActive()).toBe(false);
+    });
+
+    it('devrait retourner true si démarré', async () => {
+      vi.mocked(userPreferencesService.getTfsSchedulerConfig).mockResolvedValue(
+        {
+          tfsAutoSync: true,
+          tfsSyncInterval: 'hourly',
+        } as any
+      );
+      vi.mocked(userPreferencesService.getTfsConfig).mockResolvedValue({
+        enabled: true,
+        organizationUrl: 'https://dev.azure.com/test',
+        personalAccessToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+      expect(scheduler.isActive()).toBe(true);
+    });
+  });
+
+  describe('performScheduledSync', () => {
+    it('devrait exécuter une synchronisation automatique', async () => {
+      vi.mocked(userPreferencesService.getTfsSchedulerConfig).mockResolvedValue(
+        {
+          tfsAutoSync: true,
+          tfsSyncInterval: 'hourly',
+        } as any
+      );
+      vi.mocked(userPreferencesService.getTfsConfig).mockResolvedValue({
+        enabled: true,
+        organizationUrl: 'https://dev.azure.com/test',
+        personalAccessToken: 'token123',
+      } as any);
+      vi.mocked(prisma.user.findFirst).mockResolvedValue({
+        id: 'user1',
+      } as any);
+      vi.mocked(mockTfsService.testConnection).mockResolvedValue(true);
+      vi.mocked(mockTfsService.syncTasks).mockResolvedValue({
+        success: true,
+        pullRequestsCreated: 5,
+        pullRequestsUpdated: 3,
+        pullRequestsSkipped: 1,
+      } as any);
+
+      await scheduler.start('user1');
+
+      // Avancer le timer pour déclencher la synchronisation
+      vi.advanceTimersByTime(60 * 60 * 1000); // 1 heure
+
+      // Attendre que la synchronisation soit exécutée
+      await vi.waitFor(() => {
+        expect(mockTfsService.syncTasks).toHaveBeenCalled();
+      });
+
+      scheduler.stop();
+    });
+
+    it('devrait gérer les erreurs de connexion', async () => {
+      vi.mocked(userPreferencesService.getTfsSchedulerConfig).mockResolvedValue(
+        {
+          tfsAutoSync: true,
+          tfsSyncInterval: 'hourly',
+        } as any
+      );
+      vi.mocked(userPreferencesService.getTfsConfig).mockResolvedValue({
+        enabled: true,
+        organizationUrl: 'https://dev.azure.com/test',
+        personalAccessToken: 'token123',
+      } as any);
+      vi.mocked(mockTfsService.testConnection).mockResolvedValue(false);
+
+      await scheduler.start('user1');
+
+      vi.advanceTimersByTime(60 * 60 * 1000);
+      await vi.waitFor(() => {
+        expect(mockTfsService.testConnection).toHaveBeenCalled();
+      });
+
+      scheduler.stop();
+    });
+  });
+
+  describe('getNextSyncTime', () => {
+    it('devrait retourner null si pas démarré', async () => {
+      const nextTime = await scheduler.getNextSyncTime();
+
+      expect(nextTime).toBeNull();
+    });
+
+    it('devrait calculer le prochain moment de synchronisation', async () => {
+      const mockDate = new Date('2024-01-15T12:00:00Z');
+      vi.mocked(getToday).mockReturnValue(mockDate);
+      vi.mocked(addMinutes).mockReturnValue(new Date('2024-01-15T13:00:00Z'));
+
+      vi.mocked(userPreferencesService.getTfsSchedulerConfig).mockResolvedValue(
+        {
+          tfsAutoSync: true,
+          tfsSyncInterval: 'hourly',
+        } as any
+      );
+      vi.mocked(userPreferencesService.getTfsConfig).mockResolvedValue({
+        enabled: true,
+        organizationUrl: 'https://dev.azure.com/test',
+        personalAccessToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+      const nextTime = await scheduler.getNextSyncTime();
+
+      expect(nextTime).not.toBeNull();
+      expect(addMinutes).toHaveBeenCalled();
+    });
+  });
+
+  describe('getStatus', () => {
+    it('devrait retourner le statut du scheduler', async () => {
+      vi.mocked(userPreferencesService.getTfsSchedulerConfig).mockResolvedValue(
+        {
+          tfsAutoSync: true,
+          tfsSyncInterval: 'daily',
+        } as any
+      );
+      vi.mocked(userPreferencesService.getTfsConfig).mockResolvedValue({
+        enabled: true,
+        organizationUrl: 'https://dev.azure.com/test',
+        personalAccessToken: 'token123',
+      } as any);
+
+      await scheduler.start('user1');
+      const status = await scheduler.getStatus('user1');
+
+      expect(status.isRunning).toBe(true);
+      expect(status.isEnabled).toBe(true);
+      expect(status.interval).toBe('daily');
+      expect(status.tfsConfigured).toBe(true);
+    });
+
+    it('devrait retourner le statut si pas démarré', async () => {
+      vi.mocked(userPreferencesService.getTfsSchedulerConfig).mockResolvedValue(
+        {
+          tfsAutoSync: false,
+          tfsSyncInterval: 'hourly',
+        } as any
+      );
+      vi.mocked(userPreferencesService.getTfsConfig).mockResolvedValue({
+        enabled: false,
+      } as any);
+
+      const status = await scheduler.getStatus('user1');
+
+      expect(status.isRunning).toBe(false);
+      expect(status.isEnabled).toBe(false);
+    });
+  });
+});
diff --git a/src/services/integrations/tfs/__tests__/tfs.test.ts b/src/services/integrations/tfs/__tests__/tfs.test.ts
new file mode 100644
index 0000000..640a820
--- /dev/null
+++ b/src/services/integrations/tfs/__tests__/tfs.test.ts
@@ -0,0 +1,71 @@
+/**
+ * Tests unitaires pour TfsService
+ */
+
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { describe, it, expect, beforeEach, vi } from 'vitest';
+import { TfsService } from '../tfs';
+
+// Mock de fetch global
+global.fetch = vi.fn();
+
+describe('TfsService', () => {
+  let service: TfsService;
+
+  const mockConfig = {
+    enabled: true,
+    organizationUrl: 'https://dev.azure.com/test',
+    personalAccessToken: 'token123',
+    repositories: [],
+    ignoredRepositories: [],
+  };
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+    service = new TfsService(mockConfig);
+  });
+
+  describe('testConnection', () => {
+    it('devrait retourner true si la connexion réussit', async () => {
+      vi.mocked(fetch).mockResolvedValue({
+        ok: true,
+        status: 200,
+      } as any);
+
+      const result = await service.testConnection();
+
+      expect(result).toBe(true);
+      expect(fetch).toHaveBeenCalled();
+    });
+
+    it('devrait retourner false si authentification échoue', async () => {
+      vi.mocked(fetch).mockResolvedValue({
+        ok: false,
+        status: 401,
+      } as any);
+
+      const result = await service.testConnection();
+
+      expect(result).toBe(false);
+    });
+
+    it('devrait retourner false si accès refusé', async () => {
+      vi.mocked(fetch).mockResolvedValue({
+        ok: false,
+        status: 403,
+      } as any);
+
+      const result = await service.testConnection();
+
+      expect(result).toBe(false);
+    });
+
+    it('devrait gérer les erreurs de réseau', async () => {
+      vi.mocked(fetch).mockRejectedValue(new Error('Network error'));
+
+      const result = await service.testConnection();
+
+      expect(result).toBe(false);
+    });
+  });
+});