How to perform load testing using Selenium WebDriver?

Question

I have to perform the load testing the application using Selenium WebDriver for 100 users. 100 users login and hit the server at a time.

How to do this process using Selenium WebDriver?

Answer 1

UPDATE As mentioned in the comments, this is a bad idea. If you are considering Load Testing with Selenium Grid, reconsider your purpose and verify whether Selenium Grid really is the only option you have.

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For a free solution:

Selenium provides an easily scalable testing framework called Selenium Grid. You can use this in conjunction with TestNG to create a scalable load-testing framework.

From the link:

scale by distributing tests on several machines ( parallel execution )

manage multiple environments from a central point, making it easy to run the tests against a vast combination of browsers / OS.

minimize the maintenance time for the grid by allowing you to implement custom hooks to leverage virtual infrastructure for instance.

I have leveraged Selenium Grid to load-test our web-app with about a dozen concurrent browser sessions (so far). I used several references to achieve this:

• http://testng.org/doc/documentation-main.html#parallel-tests
• http://blog.wedoqa.com/2013/07/how-to-run-parallel-tests-with-selenium-webdriver-and-testng-2/
• http://www.mkyong.com/unittest/testng-selenium-load-testing-example/