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Back-end Engineering

Refactoring by Leveraging Tests with Scala & ScalaTest

This course focuses on the Refactor step in TDD, teaching developers to spot code smells and resolve them through refactoring. Using real-world examples, you'll identify common issues, apply refactoring techniques, and ensure functionality is preserved with existing tests.

Scala

ScalaTest

See path

5 lessons

21 practices

3 hours

Computer Science Fundamentals

Course details

Eliminating Duplicated Code: Extract Functions and Refactor Magic Numbers

Preview

Refactor Duplicate Code in the Tests

Refactor Tests using Parameterization

Extract Function: calculateItemCost

Refactor Duplication between Calculate Functions

Refactor Magic Numbers to Constants

Previous Course

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