feat(backend): Aufgaben-Modul (Modul 6)

TasksModule mit CRUD, Status-/Prioritätsfilter und
Erledigen-Endpunkt für polymorph verknüpfte Aufgaben.

ApiCore-Backend/test/tasks.e2e-spec.ts

@@ -0,0 +1,102 @@
+import { INestApplication } from '@nestjs/common';
+import * as bcrypt from 'bcryptjs';
+import request from 'supertest';
+import { App } from 'supertest/types';
+import { PrismaService } from '../src/prisma/prisma.service';
+import { createTestApp } from './utils/create-test-app';
+import { login } from './utils/api';
+
+interface TaskBody {
+  id: string;
+  status: string;
+  completedAt: string | null;
+}
+
+describe('Tasks (e2e)', () => {
+  let app: INestApplication<App>;
+  let prisma: PrismaService;
+  const staffEmail = `tasks-e2e-staff-${Date.now()}@example.com`;
+  const readonlyEmail = `tasks-e2e-readonly-${Date.now()}@example.com`;
+  const password = 'SuperSecret123!';
+  let staffId: string;
+  let readonlyId: string;
+  let staffToken: string;
+  let readonlyToken: string;
+  let taskId: string;
+
+  beforeAll(async () => {
+    app = await createTestApp();
+    prisma = app.get(PrismaService);
+
+    const passwordHash = await bcrypt.hash(password, 12);
+    const staff = await prisma.user.create({
+      data: { email: staffEmail, passwordHash, name: 'Staff', role: 'STAFF' },
+    });
+    staffId = staff.id;
+    const readonly = await prisma.user.create({
+      data: {
+        email: readonlyEmail,
+        passwordHash,
+        name: 'Readonly',
+        role: 'READONLY',
+      },
+    });
+    readonlyId = readonly.id;
+    staffToken = (await login(app, staffEmail, password)).accessToken;
+    readonlyToken = (await login(app, readonlyEmail, password)).accessToken;
+  });
+
+  afterAll(async () => {
+    if (taskId) {
+      await prisma.task.delete({ where: { id: taskId } });
+    }
+    await prisma.refreshToken.deleteMany({
+      where: { userId: { in: [staffId, readonlyId] } },
+    });
+    await prisma.auditLog.deleteMany({
+      where: { userId: { in: [staffId, readonlyId] } },
+    });
+    await prisma.user.deleteMany({
+      where: { id: { in: [staffId, readonlyId] } },
+    });
+    await app.close();
+  });
+
+  it('rejects create for a READONLY user', () => {
+    return request(app.getHttpServer())
+      .post('/api/v1/tasks')
+      .set('Authorization', `Bearer ${readonlyToken}`)
+      .send({ title: 'Beute prüfen' })
+      .expect(403);
+  });
+
+  it('lets a STAFF user create a task', async () => {
+    const response = await request(app.getHttpServer())
+      .post('/api/v1/tasks')
+      .set('Authorization', `Bearer ${staffToken}`)
+      .send({ title: 'Beute prüfen', priority: 'HIGH' })
+      .expect(201);
+    const task = response.body as TaskBody;
+    taskId = task.id;
+    expect(task.status).toBe('OPEN');
+  });
+
+  it('lists tasks filtered by status', async () => {
+    const response = await request(app.getHttpServer())
+      .get('/api/v1/tasks?status=OPEN')
+      .set('Authorization', `Bearer ${readonlyToken}`)
+      .expect(200);
+    const tasks = response.body as TaskBody[];
+    expect(tasks.some((entry) => entry.id === taskId)).toBe(true);
+  });
+
+  it('completes a task', async () => {
+    const response = await request(app.getHttpServer())
+      .post(`/api/v1/tasks/${taskId}/complete`)
+      .set('Authorization', `Bearer ${staffToken}`)
+      .expect(201);
+    const task = response.body as TaskBody;
+    expect(task.status).toBe('DONE');
+    expect(task.completedAt).not.toBeNull();
+  });
+});