There is an interesting debate about the pros and cons of unit testing taking place on TheServerSide.com. Despite the fact that test-driven development has increased, unit testing is not a priority, according to a recent poll conducted by Methods & Tools. Poll results show that 17% said unit testing is not performed, and 40% said it was informal. Meanwhile many people say unit testing is critical for improving the quality of software.
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Why isn’t unit testing a priority? Developers give the following reasons:
- They don’t know about it
- Good unit tests are hard to write
- It’s a waste of time and productivity
- Writing the tests would take too long (especially if they’re doing frequent iterations)
- Regression testing is more effective
What do software testers, QA engineers, project managers, and IT managers think about unit testing? Do you like it when the developers on your team do unit testing — does it improve the quality of the software being created? Should they do it only if they’re going to do it well — not to simply say they did it?
I’d like to know what you think.