Effective Unit Testing

Chapter 2. In search of good

 

In this chapter

• What makes a test “good”?
• Testing relevant behavior
• The importance of reliable tests

 

We’re on a journey of learning about good tests. We want to learn to identify good tests, write good tests, and improve not-so-good tests so they become good tests—or at least closer to being good tests. The question is, What makes a test “good”? What are the magic ingredients? There are several aspects to consider, including:

• The test code’s readability and maintainability
• How the code is organized both within the project and within a given source file
• What kinds of things a test is checking for
• How reliable and repeatable a test is
• How a test makes use of test doubles

We’ll be taking ...