server.test.js

const { describe, it } = require('node:test');
const assert = require('assert');
const axios = require('axios');
const os = require("os");

const serverUrl = 'http://localhost/';
const numberOfRequests = 10000;

const numCPUs = os.cpus().length;

describe('Server functionality tests', () => {

    it('should respond to multiple concurrent HTTP GET requests', async () => {
        const requests = Array.from({length: numberOfRequests}, () =>
            axios.get(serverUrl)
        );

        const responses = await Promise.all(requests);
        responses.forEach(response => {
            assert.strictEqual(response.status, 200);
            assert.ok(response.data.includes('Hello world!!!'));
        });
    });

    // it('should balance load across workers', async () => {
    //     const workerResponses = new Set();
    //     const requests = Array.from({length: numberOfRequests}, () =>
    //         axios.get(serverUrl).then(response => workerResponses.add(response.data))
    //     );

    //     await Promise.all(requests);
    //     assert.ok(workerResponses.size === numCPUs);
    // });
});