Unit testing is absolutely essential.
If there's no automated test to show a particular element functionality, then the feature doesn't really exist. Put another way, it's not done until there's a test that shows that it's done.
We'll touch, tangentially, on testing. If we delved into testing each object-oriented design feature, the book would be twice as long as it is. Omitting the details of testing has the disadvantage of making good unit tests seem optional. They're emphatically not optional.
Unit testing is essential.
When in doubt, design the tests first. Fit the code to the test cases.
When in doubt, design the tests first. Fit the code to the test cases.
Python offers two built-in testing frameworks. Most applications and libraries will make use of both. One general wrapper for testing is the unittest module. In addition, many public API docstrings will have examples...
