admin.test.ts

jest.mock('../service/stats.service', () => ({
	getStats: jest.fn(),
}));

import request from 'supertest';
import express from 'express';
import * as StatsService from '../service/stats.service';

const adminRouter = require('../routes/admin.route').default;

const app = express();
app.use(express.json());
app.use('/admin', adminRouter);

describe('Admin Controller - API Stats', () => {
	const ADMIN_KEY = 'super-secret-admin-key';

	beforeAll(() => {
		process.env.ADMIN_SECRET_KEY = ADMIN_KEY;
	});

	beforeEach(() => {
		jest.clearAllMocks();
	});

	it('should return 401 if x-admin-key header is missing', async () => {
		const res = await request(app).get('/admin/stats');

		expect(res.status).toBe(401);
		expect(res.body.success).toBe(false);
	});

	it('should return 401 if x-admin-key is incorrect', async () => {
		const res = await request(app).get('/admin/stats').set('x-admin-key', 'wrong-password-key');

		expect(res.status).toBe(401);
		expect(res.body.success).toBe(false);
	});

	it('should return 200 and statistics when x-admin-key is valid', async () => {
		const mockStats = { 'GET /': 10, 'POST /login': 2 };
		(StatsService.getStats as jest.Mock).mockReturnValue(mockStats);

		const res = await request(app).get('/admin/stats').set('x-admin-key', ADMIN_KEY);

		expect(res.status).toBe(200);
		expect(res.body.success).toBe(true);
		expect(res.body.message).toBe('Statistics retrieved successfully');
		expect(res.body.data).toEqual(mockStats);
		expect(StatsService.getStats).toHaveBeenCalledTimes(1);
	});
});