SIMON is an automated testing application developed by WM-Data Consulting in Växjö, Sweden. Previously the test cases, called BIFs, run by SIMON to test the applications under test has been written manually in a very time consuming manner offering no protection against errors in the structure or misspellings. This thesis investigates a replacement to the manual method when creating the BIFs; my own developed application called the BIF-Editor. The usage of the BIF-Editor guaranteed correct syntax and structure and made the creation of the BIFs faster, but did it increase the quality of the BIFs? So to evaluate the BIF-Editor, the quality regarding path coverage of BIFs manually created was compared with BIFs created during the same elapsed time using the BIF-Editor. This evaluation showed that the usage of the BIF-Editor increased the quality of the BIFs by making the creation safer, but primarily faster which enabled the user to produce more BIFs than previously possible resulting in a raised path cover.

Test coverage is an important parameter of analyzing how well the product is being tested in any domain within the IT industry. Unit testing is one of the important processes that have gained even more popularity with the rise in Test driven development (TDD) culture.This degree project, conducted at NASDAQ Technology AB, analyzes the existing unit tests in one of the products, and compares various coverage models in terms of quality. Further, the study examines the factors that affect code coverage, presents the best practices for unit testing, and a proven test process used in a real world project.To conclude, recommendations are given to NASDAQ based on the findings of this study and industry standards. / Testtäckning är en viktig parameter för att analysera hur väl en produkt är testad inom alla domäner i IT-industrin. Enhetstestning är en av de viktiga processerna som har ökat sin popularitet med testdriven utveckling. Detta examensarbete, utfört på NASDAQ Technology AB, analyserar de befintliga testen i en av produkterna, och jämför olika kvalitetsmodeller. Vidare undersöker undersökningen de faktorer som påverkar koddekning, presenterar de bästa metoderna för enhetstestning och en beprövad testprocess som används i ett verkligt världsprojekt. Avslutningsvis ges rekommendationer till NASDAQ baserat på resultaten från denna studie och industristandarder.

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