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EuroSTAR Conference

Europe's Largest Quality Engineering Conference

Track Talk Th4

Testing the Important Changes – How Test-Gap-Analysis Can Align Dev and Test

Elmar Jürgens

10:15-11:00 CEST Thursday 15th June

Most bugs occur in those areas of the system that developers changed since the last release. As testers, we thus attempt to test those areas especially carefully.

However, our research shows that substantial amounts of code changes are shipped into production untested, where they cause the majority of field bugs. And this happens even if teams have very sophisticated test planning processes.

The key reason for this is insufficient communication from developers to testers about what was changed. In our experience, information documented in tickets or user stories is typically not enough.

In this talk, I present test gap analysis, a novel approach that combines static and dynamic analyses to discover untested changes. I outline experiences application in practice from different domains, in international teams with up to 20 developers and 30 testers and describe how it helps to keep development and testing in sync. I also demonstrate best practices for hotfix-tests, continuous integration and test planning.

What you will learn

  1. Recently modified code areas are the most prone to bugs.
  2. Change information available to testers is usually incomplete. Even using best effort, it is typically impossible to test all such changes.
  3. There are automated analyses operating on the data teams often already have that reveal such changes and can be the basis of productive communication between developers and testers to find remaining bugs effectively.

Session Details

  • Introductory
  • 45 Minutes
  • Includes 15mins Q&A
  • Software Testing
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Session Speaker

ES2023-Speaker-Dr-Elmar-Juergen

Elmar Jürgens

Founder – CQSE, Germany

Elmar works both as a researcher and a founder. Elmar wrote his PhD thesis on static code analysis and is still active as a researcher in software quality analysis. In 2009, he co-founded CQSE GmbH and since helps teams in using analysis tools more effectively. Elmar frequently talks at research conferences (e.g. ICSE, ICPC) and industry events (e.g. GOTO, OOP, JAX). He was elected best speaker at Clean Code Days, Software Quality Days, QS-Tag and Java Forum Stuttgart. Elmar was named Junior Fellow of the German Chapter of the ACM in 2015.

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