script.js

import http from "k6/http";
import { sleep, check } from "k6";
import { Trend, Counter } from "k6/metrics";
import { textSummary } from 'https://jslib.k6.io/k6-summary/0.0.2/index.js';
import { jUnit } from 'https://jslib.k6.io/k6-summary/0.0.2/index.js';

const BASE_URL = __ENV.BASE_URL || "http://localhost:3333";
const pizzas = new Counter("quickpizza_number_of_pizzas");
const ingredients = new Trend("quickpizza_ingredients");

const THRESHOLD = __ENV.THRESHOLD || 1000;

export let options = {
  stages: [
    { duration: "5s", target: 10 },
    { duration: "10s", target: 10 },
    { duration: "5s", target: 0 },
  ],
  thresholds: {
    http_req_duration: [{ threshold: `p(95)<${THRESHOLD}`, abortOnFail: true }],
  },
};

export function setup() {
  let res = http.get(BASE_URL);
  if (res.status !== 200) {
    throw new Error(
      `Got unexpected status code ${res.status} when trying to setup. Exiting.`
    );
  }
}
export default function () {
  let restrictions = {
    maxCaloriesPerSlice: 500,
    mustBeVegetarian: false,
    excludedIngredients: ["pepperoni"],
    excludedTools: ["knife"],
    maxNumberOfToppings: 10,
    minNumberOfToppings: 2,
  };
  let res = http.post(`${BASE_URL}/api/pizza`, JSON.stringify(restrictions), {
    headers: {
      "Content-Type": "application/json",
      "X-User-ID": 23423,
    },
  });
  check(res, {
    "is status 200": (r) => r.status === 200,
  });
  // Incrementamos el número de pizzas en 1
  pizzas.add(1);

  // Añadimos el número de ingredientes de la pizza a la tendencia
  ingredients.add(res.json().pizza.ingredients.length);
  console.log(
    `${res.json().pizza.name} (${
      res.json().pizza.ingredients.length
    } ingredients)`
  );
  sleep(1);
}


export function handleSummary(data) {
  return {
    'stdout': textSummary(data, { indent: ' ', enableColors: true }), // Show the text summary to stdout...
    'junit.xml': jUnit(data), // Transform summary and save it as a JUnit XML...

    'summary.json': JSON.stringify(data), //el objeto de datos predeterminado
  };
}