Testar: scriptless testing through graphical user interface

Tanja E. J. Vos*, Pekka Aho, Fernando Pastor Ricós, Olivia Rodriguez Valdes, Ad Mulders

*Corresponding author for this work

Research output: Contribution to journalSpecial issueAcademicpeer-review


Covering all the possible paths of the graphical user interface (GUI) with test scripts would take too much effort and result in serious maintenance issues. We propose complementing scripted testing with scriptless test automation using the open-source testar tool. This paper gives a comprehensive overview of testar and its latest extensions together with the ongoing and future research. With this paper, we hope we can help and encourage other researchers to use testar for their GUI testing-related research and pave the way for an international research agenda in GUI testing built upon stable and open-source infrastructure.
Original languageEnglish
Article numbere1771
JournalSoftware Testing, Verification and Reliability
Issue number3
Publication statusPublished - Apr 2021


  • artificial intelligence
  • graphical user interface
  • model inference
  • monkey testing
  • test automation


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