Test Smell: Irrelevant Information
Explore how to identify and remove irrelevant information in unit tests to improve readability and maintainability. Learn to replace confusing magic literals with clearly named constants to make tests easier to understand and avoid unnecessary questions. This lesson helps you write cleaner and more effective JUnit tests by focusing only on meaningful data.
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A well-abstracted test emphasizes everything that is important to understand and deemphasizes anything that’s not. The data used in a test should help tell a story.
Sometimes, we’re forced to supply data to get code to compile, even though that data is irrelevant to the test at hand. For example, a method might take additional arguments that have no impact on the test.
Magic literal and meaningful names
Magic literals are literals used arbitrarily, without a clear explanation of their meaning. Magic literals are considered poor practice ...