Chapter 13
Testing Object-Oriented Programs
Skilled Python programmers agree that testing is one of the most important aspects of software development. Even though this chapter is placed near the end of the book, it is not an afterthought; everything we have studied so far will help us when writing tests. In this chapter, we’ll look at the following topics:
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The importance of unit testing and test-driven development
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The standard library unittest module
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The pytest tool
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The mock module
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Code coverage
We’ll start with some of the fundamental reasons why automated software testing is so important.
