How to Effectively Test in PHP

Any software has an unlimited amount of bugs. How can we make sure our system has as few bugs as possible and is operating as expected? Ideally, using debugger tools is an option, to easily define some breaking point and check system states to debug. Also, any developer can just go through code and debug. Then why have debugging tools been invented? In a typical system, there would be different types of bugs (such as library bugs, OS bugs, concurrency bugs, etc.); debugger tools are great tools to diagnose them; albeit they are not for debugging code. If you want to debug your code, you should write unit tests. I do not mean that a system with high test coverage has no bugs. In fact, tests are not just for identifying bugs. Why Tests Are Very Important Understanding the true definition of software testing can make a profound difference in the success of your efforts. Software testing is a process designed to make sure code does what it was designed to do and that it does not do anything unintended.

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php,tutorial,performance,testing,unit testing,mocking