K6_OCPP16/shared/apifunc.js

import crypto from 'k6/crypto';
import exec from 'k6/execution';

import { uuidv4 } from 'https://jslib.k6.io/k6-utils/1.4.0/index.js';
import moment from "cdnjs.com/libraries/moment.js/2.18.1";

const envSetting = JSON.parse(open('env.txt'));
const partnerId = envSetting.partnerId;
const apiKey = envSetting.apiKey;

export function GetP(baseUrl, apiPath, apiParam, bodyData) {
  const evsenNum = GetEvseNum();
  const randomUUID = uuidv4();
  const ts = ~~ (moment().valueOf() /1000);
  
  const urlapi = baseUrl+apiPath;
  const url = apiParam == "" ? urlapi : urlapi + '?' + apiParam;
  
  var assembledata = apiParam + bodyData + ts + partnerId + apiKey;
  
  var hash = crypto.md5(assembledata.toLowerCase(), 'hex').toString();
  
  const params = {
	headers: {
		'Timestamp': ts,
		'Signature': hash,
		'PartnerId': partnerId,
		'Content-Type': 'application/json'
		},
  }
  
  return {
	  url: url,
	  bodyData: bodyData,
	  params : params
	  };
}

export function GetSessionId(res){
	var data = JSON.parse(res.body).Data;
	var sessions = JSON.parse(data).Sessions;
	var session = sessions[0].SessionId;
	return session;
}

export function GetEvseNum(){
	const instanceId = exec.vu.idInTest;
	return ("00" + instanceId).slice(-3);
}