integration.test.js

// tests/integration.test.js
const request = require('supertest');
const { MongoMemoryServer } = require('mongodb-memory-server');
const mongoose = require('mongoose');

let mongod;
let app;  // will hold our Express app

beforeAll(async () => {
    // 1️⃣ Start in‑memory MongoDB
    mongod = await MongoMemoryServer.create();
    process.env.MONGODB_URI = mongod.getUri() + 'hackai2025_test';

    // 2️⃣ Now that MONGODB_URI is pointing at our in‑memory instance,
    //    import & connect your app (which uses operations.connectDB())
    app = require('./index.js'); // import your Express app here
    // Note: index.js must export the `app` instance (not just listen)

    // Wait for Mongoose to connect
    await mongoose.connection.asPromise();
});

afterAll(async () => {
    // 1️⃣ Disconnect mongoose
    await mongoose.disconnect();

    // 2️⃣ Stop the in‑memory server
    await mongod.stop();
});

describe('Full API integration (Mongoose)', () => {
    let userId;

    it('POST /api/users → 201 & returns new user', async () => {
        const res = await request(app)
            .post('/api/users')
            .send({
                name:              { first: 'Test', last: 'User' },
                address:           '123 Main St',
                age:               25,
                gender:            'Other',
                relationshipStatus:'Single'
            });
        expect(res.statusCode).toBe(201);
        expect(res.body).toHaveProperty('_id');
        userId = res.body._id;
    });

    it('POST /api/journal-entries → 201 & returns entry', async () => {
        const res = await request(app)
            .post('/api/journal-entries')
            .send({
                userId,
                date:             new Date().toISOString(),
                keywords:         ['mongo','jest'],
                keywordFrequency: { mongo: 1, jest: 1 },
                summary:          'Testing journal entry'
            });
        expect(res.statusCode).toBe(201);
        expect(res.body).toMatchObject({ summary: 'Testing journal entry' });
    });

    it('POST /api/persons-of-interest → 201 & returns POI', async () => {
        const res = await request(app)
            .post('/api/persons-of-interest')
            .send({
                userId,
                name:            'Alice POI',
                age:             30,
                relationship:    'Friend',
                hostilityFactor: 2
            });
        expect(res.statusCode).toBe(201);
        expect(res.body).toMatchObject({ name: 'Alice POI', hostilityFactor: 2 });
    });
});