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Developers are not good testers. What you say?

原创 Linux操作系统 作者:AlexQin 时间:2011-06-03 16:42:59 0 删除 编辑
This can be a big debate. Developers testing their own code – what will be the testing output? All happy endings! Yes, the person who develops the code generally sees only happy paths of the product and don’t want to go in much details.

The main concern of developer testing is – misunderstanding of requirements. If requirements are misunderstood by developer then no matter at what depth developer test the application, he will never find the error. The first place where the bug gets introduced will remain till end, as developer will see it as functionality.

Optimistic developers – Yes, I wrote the code and I am confident it’s working properly. No need to test this path, no need to test that path, as I know it’s working properly. And right here developers skip the bugs.

Developer vs Tester: Developer always wants to see his code working properly. So he will test it to check if it’s working correctly. But you know why tester will test the application? To make it fail in any way, and tester surely will test how application is not working correctly. This is the main difference in developer testing and tester testing.

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