stress test for woovers-js pix qrcode

stress-test.js

import http from 'k6/http';
import { check, sleep } from 'k6';

// Configuration
const BASE_URL = 'http://localhost:3000';
const VUS = 10;
const DURATION = '30s';

export const options = {
  vus: VUS, // number of virtual users
  stages: [
    { duration: '10s', target: VUS / 2 }, // ramp up to 50% of VUs
    { duration: '10s', target: VUS },     // ramp up to 100% of VUs
    { duration: DURATION, target: VUS },  // stay at 100% for the main duration
    { duration: '10s', target: 0 },       // ramp down to 0 VUs
  ],
  thresholds: {
    'http_req_failed': ['rate<0.01'], // http errors should be less than 1%
    'http_req_duration': ['p(95)<500'], // 95% of requests should be below 500 ms
  },
};

// Setup function: Create an initial QR code to get a valid ID for GET requests
export function setup() {
  const payload = JSON.stringify({
    name: 'Setup Test QR Code',
    correlationID: `setup-qrcode-${Date.now()}`,
    value: 1.0,
    comment: 'QR code created during test setup',
  });

  const params = {
    headers: {
      'Content-Type': 'application/json',
    },
  };

  const res = http.post(`${BASE_URL}/api/v1/qrcode-static`, payload, params);
  check(res, { 'Setup POST request successful': (r) => r.status === 201 });

  if (res.status !== 201) {
      console.error('Setup failed. Could not create initial QR code.');
      return { qrCodeId: null };
  }

  const body = JSON.parse(res.body);
  return { qrCodeId: body.pixQrCode.identifier };
}

export default function (data) {
  if (!data.qrCodeId) {
      console.error('Cannot run test, setup failed.');
      return;
  }
  
  // Simulate a workload with 80% read and 20% write operations
  if (__VU % 5 < 4) {
    // Read operation (GET single QR code)
    const res = http.get(`${BASE_URL}/api/v1/qrcode-static/${data.qrCodeId}`);
    check(res, {
      'GET /:id status is 200': (r) => r.status === 200,
    });
  } else {
    // Write operation (POST new QR code)
    const payload = JSON.stringify({
      name: `Test QR Code from VU ${__VU}`,
      correlationID: `test-vu-${__VU}-${__ITER}`,
      value: Math.random() * 100 + 1,
      comment: 'QR code created during the main test execution.',
    });

    const params = {
      headers: {
        'Content-Type': 'application/json',
      },
    };

    const res = http.post(`${BASE_URL}/api/v1/qrcode-static`, payload, params);
    check(res, {
      'POST / status is 201': (r) => r.status === 201,
    });
  }

  sleep(1); // wait for 1 second between iterations
}

sem wal mode

HTTP
    http_req_duration.......................................................: avg=1.28ms min=0s med=1.05ms max=12.56ms p(90)=2.39ms p(95)=4.16ms
      { expected_response:true }............................................: avg=1.28ms min=0s med=1.05ms max=12.56ms p(90)=2.39ms p(95)=4.16ms
    http_req_failed.........................................................: 0.00%  0 out of 506
    http_reqs...............................................................: 506    8.419006/s

com wal

HTTP
    http_req_duration.......................................................: avg=1.38ms min=0s med=1.55ms max=27.09ms p(90)=2.29ms p(95)=2.79ms
      { expected_response:true }............................................: avg=1.38ms min=0s med=1.55ms max=27.09ms p(90)=2.29ms p(95)=2.79ms
    http_req_failed.........................................................: 0.00%  0 out of 506
    http_reqs...............................................................: 506    8.41665/s