Since software developers and testers work together in the Agile and DevOps environments, it gets challenging to cope up with the increasing competition. Development teams work in collaboration with various stakeholders to make the most of the testing efforts. Defects in software applications are a norm, the sooner you realize that better it is. It is impossible to have a 100% defect/error-free software application, but experts work to make the most of their efforts. The current need for faster delivery and quality products calls for robust software testing solutions that can meet customer expectations.
A defect management system is a defect repository where all the defects appearing in a system are identified, recorded and assigned for rectification. This system includes defect management software and defect management tools to achieve projects efficiently.
How Does Defect Management Work?
A defect management system works in a systematic manner, and records all the defects in the system without duplicating defects, and maintaining a log for future use too. There are different steps involved in the defect management that are explained below–
The bugs we find during
testing can tell us a lot about the application, the state of its quality and its
release-readiness. Bugs can also provide insights into our development
processes and practices — and lapses therein.
How can we study bugs to improve the overall state of our project? In my article published @Gurock TestRail blog, I have described three things to learn from the bugs you find. https://blog.gurock.com/three-learn-bugs/
As we log defects into a tracking tool or portal, teams
generally follow the practice of measuring relevant modules, components or
functional areas against each defect. When tracked over time, this information
can be real gold! It helps us track which areas of the application are having
Boris Beizer, in his book Software Testing Techniques (1990) coined the term pesticide paradox to describe the phenomenon that the more you test software, the more immune it becomes to your tests.
Just like, if you keep applying the same pesticide, the insects eventually build up resistance and the pesticide no longer works. Software undergoing the same repetitive tests build resistance to them, and they fail to catch more defects after that.
Software undergoing the same repetitive tests eventually builds up resistance to them.
As you run your tests multiple times, they stop being effective in catching bugs.
Moreover, part of the new defects introduced into the system will not be caught by your existing tests and will be released onto the field.
Solution: Refurnish and Revise Test Materials regularly
In order to overcome the pesticide paradox, testers must regularly develop newer tests exercising the various parts of the system and their inter-connections to find additional defects.
Also, testers cannot forever rely on existing test techniques or methods and must be on the look out to continually improve upon existing methods to make testing more effective.
It is suggested to keep revisiting the test cases regularly and revising them. Though agile teams provide little spare time for such activities, but the testing team is bound to keep planning these exercises within the team in order to keep the best performance coming. A few ideas to achieve this:
Brainstorming sessions – to think of more ideas around the same component testing
Buddy Reviews – New joinees to the team are encouraged to give their fresh perspective to the existing test scenarios for the product, which might get some new cases added.
Strike out older tests on functionalities that are changed / removed
Build new tests from scratch if a major change is made in a component – to open a fresh perspective