k6-web-recorder

Web recorder for k6 load testing tool using chrome.

Pre requisites

1. Chrome browser.
2. Nodejs version 7.6+ installed. Download from here.

or use nvm to install and manage multiple node version.

3. yarn (optional). Fast package manager for node.

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Install

Make sure you have git installed. Go to command prompt and do

git clone https://github.com/rupeshmore/k6-web-recorder.git

or download zip.

Go inside the directory

cd k6-web-recorder

Inside the directory

if yarn is installed

yarn

or

npm install

Usage

node app.js --url=https://github.com/rupeshmore

or

npm start --url=https://github.com/rupeshmore

url is required parameter. Specify it in command line or in config.json;

This will start an instance of chrome.

Configuration

edit config.json to record added data.

{
  "url": "https://github.com/rupeshmore",
  "recordThinkTime": true,
  "assignRequestToVariable": false,
  "recordHeaders": [
    "Content-Type"
  ]
}

1. url: is required for the app. This can be defined in config.json or passed as an argument via command line.

2. recordThinkTime: This will record think time between requests. Think time greater than 1 seconds are only recorded. If false it will not capture think time. Default value true.

3. assignRequestToVariable: This will assign the http requests to a variable.

Example: assignRequestToVariable: true

let req = http.get(https://github.com/rupeshmore);

assignRequestToVariable: false

http.get(https://github.com/rupeshmore);

4. recordHeaders: This is an array of values to be recoded for headers. values it can take to match the http headers. https://en.wikipedia.org/wiki/List_of_HTTP_header_fields#Request_fields

Scripts

All scripts are recorded under the scripts folder.

Features

• Records all http traffic and convert them to k6 load testing tool.

• Filters out the request based on the domain of url to be recorded.

• Records think-time for the script.

• Options to record specific headers in the scripts.

Note

All requests with multipart/form-data are not recorded. As the k6 tool will not be able to playback the same request as a browser does.

Close Recording

Close the browser to close recording or close the app.