The Future of Software Quality Assurance

Today, testers have to test ever larger amounts of software in ever smaller
periods of time. This makes it infeasible to simply execute entire test suites for every
change. Also it has become impractical—if it ever was—to manually ensure that the
tests cover all changes. In response to this challenge, we propose Change-Driven
Testing. Change-Driven Testing uses Test-Impact Analysis to automatically find the
relevant tests for any given code change and sort them in a way that increases the
chance of catching mistakes early on. This makes testing more efficient, catching
over 90% of mistakes in only 2% testing time. Furthermore, Change-Driven Testing
uses Test-Gap Analysis to automatically identify test gaps, i.e., code changes that
lack tests. This enables us to make conscious decisions about where to direct our
limited testing resource to improve our testing effectiveness and notifies us about
where we are missing regression tests.
[Cham: 2020]

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