// Mock dependencies jest.mock('../../../../../services/email/core/EmailClient', () => { return jest.fn().mockImplementation(() => ({ initialize: jest.fn().mockResolvedValue(), sendEmail: jest.fn().mockResolvedValue({ success: true, messageId: 'msg-123' }), })); }); jest.mock('../../../../../services/email/core/TemplateManager', () => { return jest.fn().mockImplementation(() => ({ initialize: jest.fn().mockResolvedValue(), renderTemplate: jest.fn().mockResolvedValue('Test'), })); }); jest.mock('../../../../../utils/logger', () => ({ info: jest.fn(), error: jest.fn(), warn: jest.fn(), })); const UserEngagementEmailService = require('../../../../../services/email/domain/UserEngagementEmailService'); describe('UserEngagementEmailService', () => { let service; const originalEnv = process.env; beforeEach(() => { jest.clearAllMocks(); process.env = { ...originalEnv, FRONTEND_URL: 'http://localhost:3000', SUPPORT_EMAIL: 'support@villageshare.com', }; service = new UserEngagementEmailService(); }); afterEach(() => { process.env = originalEnv; }); describe('initialize', () => { it('should initialize only once', async () => { await service.initialize(); await service.initialize(); expect(service.emailClient.initialize).toHaveBeenCalledTimes(1); expect(service.templateManager.initialize).toHaveBeenCalledTimes(1); }); }); describe('sendFirstListingCelebrationEmail', () => { const owner = { firstName: 'John', email: 'john@example.com' }; const item = { id: 123, name: 'Power Drill' }; it('should send first listing celebration email with correct variables', async () => { const result = await service.sendFirstListingCelebrationEmail(owner, item); expect(result.success).toBe(true); expect(service.templateManager.renderTemplate).toHaveBeenCalledWith( 'firstListingCelebrationToOwner', expect.objectContaining({ ownerName: 'John', itemName: 'Power Drill', itemId: 123, viewItemUrl: 'http://localhost:3000/items/123', }) ); expect(service.emailClient.sendEmail).toHaveBeenCalledWith( 'john@example.com', 'Congratulations! Your first item is live on Village Share', expect.any(String) ); }); it('should use default name when firstName is missing', async () => { const ownerNoName = { email: 'john@example.com' }; await service.sendFirstListingCelebrationEmail(ownerNoName, item); expect(service.templateManager.renderTemplate).toHaveBeenCalledWith( 'firstListingCelebrationToOwner', expect.objectContaining({ ownerName: 'there' }) ); }); it('should handle errors gracefully', async () => { service.templateManager.renderTemplate.mockRejectedValueOnce(new Error('Template error')); const result = await service.sendFirstListingCelebrationEmail(owner, item); expect(result.success).toBe(false); expect(result.error).toBe('Template error'); }); }); describe('sendItemDeletionNotificationToOwner', () => { const owner = { firstName: 'John', email: 'john@example.com' }; const item = { id: 123, name: 'Power Drill' }; const deletionReason = 'Violated community guidelines'; it('should send item deletion notification with correct variables', async () => { const result = await service.sendItemDeletionNotificationToOwner( owner, item, deletionReason ); expect(result.success).toBe(true); expect(service.templateManager.renderTemplate).toHaveBeenCalledWith( 'itemDeletionToOwner', expect.objectContaining({ ownerName: 'John', itemName: 'Power Drill', deletionReason: 'Violated community guidelines', supportEmail: 'support@villageshare.com', dashboardUrl: 'http://localhost:3000/owning', }) ); expect(service.emailClient.sendEmail).toHaveBeenCalledWith( 'john@example.com', 'Important: Your listing "Power Drill" has been removed', expect.any(String) ); }); it('should use default name when firstName is missing', async () => { const ownerNoName = { email: 'john@example.com' }; await service.sendItemDeletionNotificationToOwner(ownerNoName, item, deletionReason); expect(service.templateManager.renderTemplate).toHaveBeenCalledWith( 'itemDeletionToOwner', expect.objectContaining({ ownerName: 'there' }) ); }); it('should handle errors gracefully', async () => { service.emailClient.sendEmail.mockRejectedValueOnce(new Error('Send error')); const result = await service.sendItemDeletionNotificationToOwner( owner, item, deletionReason ); expect(result.success).toBe(false); expect(result.error).toBe('Send error'); }); }); describe('sendUserBannedNotification', () => { const bannedUser = { firstName: 'John', email: 'john@example.com' }; const admin = { firstName: 'Admin', lastName: 'User' }; const banReason = 'Multiple policy violations'; it('should send user banned notification with correct variables', async () => { const result = await service.sendUserBannedNotification(bannedUser, admin, banReason); expect(result.success).toBe(true); expect(service.templateManager.renderTemplate).toHaveBeenCalledWith( 'userBannedNotification', expect.objectContaining({ userName: 'John', banReason: 'Multiple policy violations', supportEmail: 'support@villageshare.com', }) ); expect(service.emailClient.sendEmail).toHaveBeenCalledWith( 'john@example.com', 'Important: Your Village Share Account Has Been Suspended', expect.any(String) ); }); it('should use default name when firstName is missing', async () => { const bannedUserNoName = { email: 'john@example.com' }; await service.sendUserBannedNotification(bannedUserNoName, admin, banReason); expect(service.templateManager.renderTemplate).toHaveBeenCalledWith( 'userBannedNotification', expect.objectContaining({ userName: 'there' }) ); }); it('should handle errors gracefully', async () => { service.templateManager.renderTemplate.mockRejectedValueOnce(new Error('Template error')); const result = await service.sendUserBannedNotification(bannedUser, admin, banReason); expect(result.success).toBe(false); expect(result.error).toBe('Template error'); }); }); });