Tạo script kiểm thử tải k6

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

// --- Generated k6 script. URLs, headers, and payloads are inlined. ---
export const options = {
  stages: [
    { duration: '2m', target: 10 },
    { duration: '3m', target: 50 },
    { duration: '5m', target: 50 },
    { duration: '5m', target: 100 },
    { duration: '10m', target: 100 },
    { duration: '5m', target: 0 },
  ],
  thresholds: {
    http_req_failed: ['rate<0.01'],
    http_req_duration: ['p(95)<500'],
    checks: ['rate>0.95'],
  },
};

export default function () {
  // 1. GET https://example.com/
  let res = http.get('https://example.com/');
  check(res, {
    'Status code is 200': (r) => res.status === 200,
    'Response time < 500ms': (r) => res.timings.duration < 500,
    'Response body contains "success"': (r) => res.body && res.body.includes("success"),
  });
  sleep(1);

  // 2. POST https://example.com/api/login
  res = http.post('https://example.com/api/login', '{\n  "username": "[email protected]",\n  "password": "password123"\n}');
  check(res, {
    'Status code is 200': (r) => res.status === 200,
    'Response time < 500ms': (r) => res.timings.duration < 500,
    'Response body contains "success"': (r) => res.body && res.body.includes("success"),
  });
  sleep(1);

  // 3. GET https://example.com/api/users
  res = http.get('https://example.com/api/users', { headers: {
    'Authorization': 'Bearer your_token_here',
  } });
  check(res, {
    'Status code is 200': (r) => res.status === 200,
    'Response time < 500ms': (r) => res.timings.duration < 500,
    'Response body contains "success"': (r) => res.body && res.body.includes("success"),
  });
  sleep(1);

  // 4. POST https://example.com/api/users
  res = http.post('https://example.com/api/users', '{\n  "name": "Alice"\n}', { headers: {
    'Authorization': 'Bearer your_token_here',
  } });
  check(res, {
    'Status code is 200': (r) => res.status === 200,
    'Response time < 500ms': (r) => res.timings.duration < 500,
    'Response body contains "success"': (r) => res.body && res.body.includes("success"),
  });
  sleep(1);

}