load-test.js

import http from 'k6/http'
import { check } from 'k6'

export const options = {
  // A number specifying the number of VUs to run concurrently.
  vus: 100,
  // A string specifying the total duration of the test run.
  duration: '30s'

  // The following section contains configuration options for execution of this
  // test script in Grafana Cloud.
  //
  // See https://grafana.com/docs/grafana-cloud/k6/get-started/run-cloud-tests-from-the-cli/
  // to learn about authoring and running k6 test scripts in Grafana k6 Cloud.
  //
  // ext: {
  //   loadimpact: {
  //     // The ID of the project to which the test is assigned in the k6 Cloud UI.
  //     // By default tests are executed in default project.
  //     projectID: "",
  //     // The name of the test in the k6 Cloud UI.
  //     // Test runs with the same name will be grouped.
  //     name: "script.js"
  //   }
  // },

  // Uncomment this section to enable the use of Browser API in your tests.
  //
  // See https://grafana.com/docs/k6/latest/using-k6-browser/running-browser-tests/ to learn more
  // about using Browser API in your test scripts.
  //
  // scenarios: {
  //   // The scenario name appears in the result summary, tags, and so on.
  //   // You can give the scenario any name, as long as each name in the script is unique.
  //   ui: {
  //     // Executor is a mandatory parameter for browser-based tests.
  //     // Shared iterations in this case tells k6 to reuse VUs to execute iterations.
  //     //
  //     // See https://grafana.com/docs/k6/latest/using-k6/scenarios/executors/ for other executor types.
  //     executor: 'shared-iterations',
  //     options: {
  //       browser: {
  //         // This is a mandatory parameter that instructs k6 to launch and
  //         // connect to a Chromium-based browser, and use it to run UI-based
  //         // tests.
  //         type: 'chromium',
  //       },
  //     },
  //   },
  // }
}

const payload = 'foo\n'.repeat(1000)

// The function that defines VU logic.
//
// See https://grafana.com/docs/k6/latest/examples/get-started-with-k6/ to learn more
// about authoring k6 scripts.
//
export default function () {
  const params = {
    headers: {
      Accept:
        'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8',
      // 'Accept-Encoding': 'br',
      'Accept-Language': 'fr,fr-FR;q=0.8,en-US;q=0.5,en;q=0.3',
      'Cache-Control': 'no-cache',
      Connection: 'keep-alive',
      Cookie:
        'user_session=myrandomuuid; __Host-user_session_same_site=myotherrandomuuid; dotcom_user=dunglas; logged_in=yes; _foo=barbarbarbarbarbar; _device_id=anotherrandomuuid; color_mode=foobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobar; preferred_color_mode=light; tz=Europe%2FParis; has_recent_activity=1',
      DNT: '1',
      Host: 'example.com',
      Pragma: 'no-cache',
      'Sec-Fetch-Dest': 'document',
      'Sec-Fetch-Mode': 'navigate',
      'Sec-Fetch-Site': 'cross-site',
      'Sec-GPC': '1',
      'Upgrade-Insecure-Requests': '1',
      'User-Agent':
        'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0'
    }
  }

  const res = http.post('http://localhost/echo.php', payload, params)
  check(res, {
    'is status 200': (r) => r.status === 200,
    'is echoed': (r) => r.body === payload
  })
}