JMeter-to-k6 PR review: Stepping Thread Group

stepping-thread-group.jmx

<?xml version="1.0" encoding="UTF-8"?>
<jmeterTestPlan version="1.2" properties="5.0" jmeter="5.0 r1840935">
  <hashTree>
    <TestPlan guiclass="TestPlanGui" testclass="TestPlan" testname="jmeter-to-k6-stepping-thread-group" enabled="true">
      <stringProp name="TestPlan.comments"></stringProp>
      <boolProp name="TestPlan.functional_mode">false</boolProp>
      <boolProp name="TestPlan.tearDown_on_shutdown">true</boolProp>
      <boolProp name="TestPlan.serialize_threadgroups">false</boolProp>
      <elementProp name="TestPlan.user_defined_variables" elementType="Arguments" guiclass="ArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
        <collectionProp name="Arguments.arguments"/>
      </elementProp>
      <stringProp name="TestPlan.user_define_classpath"></stringProp>
    </TestPlan>
    <hashTree>
      <kg.apc.jmeter.threads.SteppingThreadGroup guiclass="kg.apc.jmeter.threads.SteppingThreadGroupGui" testclass="kg.apc.jmeter.threads.SteppingThreadGroup" testname="jp@gc - Stepping Thread Group" enabled="true">
        <stringProp name="ThreadGroup.on_sample_error">continue</stringProp>
        <stringProp name="ThreadGroup.num_threads">100</stringProp>
        <stringProp name="Threads initial delay">0</stringProp>
        <stringProp name="Start users count">10</stringProp>
        <stringProp name="Start users count burst">0</stringProp>
        <stringProp name="Start users period">30</stringProp>
        <stringProp name="Stop users count">5</stringProp>
        <stringProp name="Stop users period">1</stringProp>
        <stringProp name="flighttime">60</stringProp>
        <stringProp name="rampUp">5</stringProp>
        <elementProp name="ThreadGroup.main_controller" elementType="LoopController" guiclass="LoopControlPanel" testclass="LoopController" testname="Loop Controller" enabled="true">
          <boolProp name="LoopController.continue_forever">false</boolProp>
          <intProp name="LoopController.loops">-1</intProp>
        </elementProp>
      </kg.apc.jmeter.threads.SteppingThreadGroup>
      <hashTree>
        <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="HTTP Request" enabled="true">
          <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
            <collectionProp name="Arguments.arguments"/>
          </elementProp>
          <stringProp name="HTTPSampler.domain">test.loadimpact.com</stringProp>
          <stringProp name="HTTPSampler.port"></stringProp>
          <stringProp name="HTTPSampler.protocol"></stringProp>
          <stringProp name="HTTPSampler.contentEncoding"></stringProp>
          <stringProp name="HTTPSampler.path"></stringProp>
          <stringProp name="HTTPSampler.method">GET</stringProp>
          <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
          <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
          <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
          <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
          <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
          <stringProp name="HTTPSampler.connect_timeout"></stringProp>
          <stringProp name="HTTPSampler.response_timeout"></stringProp>
        </HTTPSamplerProxy>
        <hashTree/>
        <ConstantTimer guiclass="ConstantTimerGui" testclass="ConstantTimer" testname="Constant Timer" enabled="true">
          <stringProp name="ConstantTimer.delay">1000</stringProp>
        </ConstantTimer>
        <hashTree/>
      </hashTree>
    </hashTree>
  </hashTree>
</jmeterTestPlan>

stepping-thread-group.js

import http from "k6/http"
import k6 from "k6"

const vus = 100
let url, opts, auth, r, regex, match, matches, extract, output
let csvPage = {}, csvColumns = {}

const constants = {}

const vars = {}

const files = {}

export let options = {
  stages: [{"target":10,"duration":"30ms"},{"target":10,"duration":"30ms"},{"target":10,"duration":"30ms"},{"target":10,"duration":"30ms"},{"target":10,"duration":"30ms"},{"target":10,"duration":"30ms"},{"target":10,"duration":"30ms"},{"target":10,"duration":"30ms"},{"target":10,"duration":"30ms"},{"target":10,"duration":"30ms"}]
}

export default function (data) {
  if (__VU >= 1 && __VU <= 100) {
    url = `${`http`}://${`test.loadimpact.com`}`
    opts = {
      redirects: 999
    }
    r = http.request(`GET`, url, '', opts)

    k6.sleep(1)
  } else throw new Error('Unexpected VU: ' + __VU)
}