Initial commit with Email Import Wizard and Task Processor updates

paperless-backend/src/email/email.controller.spec.ts

@@ -0,0 +1,55 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { getRepositoryToken } from '@nestjs/typeorm';
+import { EmailController } from './email.controller';
+import { Email } from '../database/entities/email.entity';
+
+const mockEmails: Partial<Email>[] = [
+  { Id: 1, MessageId: 'msg-1', SenderAddress: 'a@test.de', RecipientAddress: 'b@test.de', Subject: 'Test 1', Date: new Date(), Body: 'body', Status: 0 },
+  { Id: 2, MessageId: 'msg-2', SenderAddress: 'c@test.de', RecipientAddress: 'd@test.de', Subject: 'Test 2', Date: new Date(), Body: 'body2', Status: 1 },
+];
+
+const mockQueryBuilder = {
+  orderBy: jest.fn().mockReturnThis(),
+  take: jest.fn().mockReturnThis(),
+  where: jest.fn().mockReturnThis(),
+  getMany: jest.fn().mockResolvedValue(mockEmails),
+};
+
+const mockRepo = {
+  createQueryBuilder: jest.fn().mockReturnValue(mockQueryBuilder),
+  findOneByOrFail: jest.fn().mockResolvedValue(mockEmails[0]),
+};
+
+describe('EmailController', () => {
+  let controller: EmailController;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      controllers: [EmailController],
+      providers: [{ provide: getRepositoryToken(Email), useValue: mockRepo }],
+    }).compile();
+
+    controller = module.get<EmailController>(EmailController);
+  });
+
+  it('should be defined', () => {
+    expect(controller).toBeDefined();
+  });
+
+  it('getEmails returns list', async () => {
+    const result = await controller.getEmails();
+    expect(result).toHaveLength(2);
+    expect(mockQueryBuilder.orderBy).toHaveBeenCalledWith('e.Date', 'DESC');
+  });
+
+  it('getEmails filters by status', async () => {
+    await controller.getEmails('1');
+    expect(mockQueryBuilder.where).toHaveBeenCalledWith('e.Status = :status', { status: 1 });
+  });
+
+  it('getEmail returns single item', async () => {
+    const result = await controller.getEmail('1');
+    expect(result).toEqual(mockEmails[0]);
+    expect(mockRepo.findOneByOrFail).toHaveBeenCalledWith({ Id: 1 });
+  });
+});