Biography

Team/Tech Lead of the Cloud-Native Team at Hazelcast, author of the book “Continuous Delivery with Docker and Jenkins”, trainer, and conference speaker. He specializes in Java development, Cloud environments, and Continuous Delivery. A former employee in a number of companies and scientific organizations: Google, CERN, AGH University, and more. Website: rafalleszko.com

Talk

Mutation Testing with PIT

How well tested is your system? How do you measure it? Code coverage can give you the answer, however, can we trust our unit tests? He used to work for the investment banking industry with a big project where a lot of unit tests had no assertions (!). And yes… the coverage was very high.

Mutation testing is a method to check the quality of your unit tests and show more reasonable code coverage reports. In this session, he will describe the idea of mutation testing and show a live example with the use of PIT Mutation Testing framework.

Session Keywords