The future of Software Testing
This is also what’s driving our industry to deliver products faster than ever before, and in many ways it will dictate the future of our testing careers. The biggest change for us as tester of the future will be in the role we play as part of the process:- Who do we serve?- What value do we provide?- How do we interact with the rest of the team?All these aspects will change in the future in order to make the development process faster and to complete our products and deliverable faster. If up to now our objective was mainly seen as stopping bugs from being delivered with the product, we will see how the value of testing starts flowing up-stream within the development process, and how the biggest value of the tester in the future will be to provide tools that ensure the product is stable all the time, and not that it only reaches stability a couple of weeks before release. How will we do this?- By concentrating more on automation that helps developers constantly test their changes. By helping the team understand the risks in the changes being done to the product, avoiding flaws and bugs before they are written into the code. By working together with the programmers, catching the bugs they are writing into the code as they do this, instead of testing the product and reporting the them 2 weeks or 2 months after the code was written. No more Organic Testing Teams, testers will be a part of the Atomic Development Teams. The second change in the role of the tester is related to the place in the Organization where we do our work. I see Organic Testing Teams disappearing, leaving way to testers being part of Atomic Development Teams, and in some cases creating a kind of matrix-reporting structure to a Director of QA that oversees the quality and testing processes for the whole organization. The reason for this is that the QA Engineers will need to work more and more time directly with their programming colleagues and it will “Make more sense” to have them as part of the development team than for them to report to a QA Manager that is not qualified to help them control their priorities or working schedules. We see this very strongly in SCRUM teams, but I believe this behavior is not singular to scrum and we will see more and more teams shifting from separate organizations structures in order to increase the communication and the interaction between the testers and their programming colleagues. The last thing changing about the role of the tester of the future is that she will be more and more in charge of coordinating the communication with other teams. This will happen due to the communication requirements we have for testers and also due to the fact that we require from them to be more connected to the “Business aspects” of the process and to be fully aware of all external factors that may influence the product and the team. Being more fitted to communicate and interrelate with other players of the Organization, I expect we will see testers taking a more active roles in representing the team with other teams. Changes to the Tools and to the Profile of the tester of the future.
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Modeling, Abstract The Automated Testing and Lo~d Analysis System formalizes a concept of model-referenced testing for large software systems. A directed graph model of the software under test, describing the sequential stimulus-response behavior of the software system, forms the basis of the approach. The objective of ATLAS is to certify the software under test against the model. Make th~ test application as efficient as possible by applying tests in 0arallel, reducing per test initialization overhead, and outoutting only failure data, and thereby allow the possibility of exhaustive testing. Foundations Of ATLAS ~nt xo ~au ~c~i~n Testin~ A~Koa~c h In the ATLAS testing approach a directed graph model is transformed into a m a c h i n e – r e a d a b l e ~es~ dia~Eam from which tests are extracted and aDDlied. In order to transform a software model into a test diagram, two operations, described below, must be performe~. In the conventional testing approach, a programmer analyzes his design or listing to develop tests. The tests are then encoded in some form suitable for ~pplying and the results are analyzed to determine if the test has passed or failed. These are assertions, associated with arcs of a test diagram, which specify Provide a formal testing approach based upon an abstract ~irected graph model of the soft,are to be 629 testing program is undertaken. Tests needed for this purpose m a y be obtained f r o m a small set of paths, called a cover, where each arc of the test d i a g r a m a p p e a r s at least o n c e in at l e a s t one p a t h of the set. These assertions are a s s e m b l e d into blocks of d a t a w h i c h are i n t e r p r e t i v e l y e x e c u t e d by Test A ~plication F a c i l i t y. In the process of adding the formal arc assertions, a tester may find it n e c e s s a r y to change the t o p o l o g y of the mo~el to accommodate the available m~des of expression in ATSL or to accosnt for different test c o n d i t i o n s w h i c h may a p p e a r at first to be f u n c t i o n a l l y e q u i v a l e n t. T h r e e t e c h n i q u e s may be u s e d to r e d u c e the n u m b e r of t e s t s i d e n t i f i e d by E L C A P for an e x h a u s t i v e t e s t if it turns out to be unreasonably large. The t e s t d i a g r a m is a n a l y z e d by a set of programs called the E n u m e r a t o r of Loops, C o v e r s , a n d ~ d m i s s i b l e Paths in order to identify tests, i.e., admissible paths. A l g o r i t h m s and I m P l e m e n t a t i o n. The a l g o r i t h m s e m p l ~ y e d by E – PATHS. A1 C1 D2 A2 In CI Ol ] “ESI~ GLI~KG /ULL OTHER PATH0 ARE ADMISSIBLE FIG. ~ ADMISSIBIUI~ -1 U~ING TEST FILES NO.4 EGG I T- H °’:”=” 1 oN.oR APPUCA’FION COVERAGE IATAF) at next point(s) within a program segment. GENERATE G e n e r a t e an external event which will cause program u n d e r test to advance. INHIBIT ENABLE WRITE Inhibit an autonomous e v e n t – one generated by the program under test and not by a G E N E R A T E command.