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Mastering Angular Test-Driven Development
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Refactoring existing code in complex Angular applications can be a nerve-wracking task. You want to improve the code’s structure and organization without accidentally breaking existing functionalities. This is where TDD comes into play, offering a structured approach to navigate refactoring with confidence. In this section, we’ll see the power of the test-first approach, the benefits of TDD in refactoring, and how to choose the right tests to write.
TDD flips the traditional coding script. Instead of writing code first and then testing it, TDD emphasizes writing tests before making any modifications to the code. These tests essentially define the expected behavior of the code you intend to refactor. Here’s how it works: