Refactoring Angular code with TDD
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.
The power of the test-first approach
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:
- The red state: You start by writing a test for a specific functionality within the code you want to refactor. This initial test will likely fail, signifying that...
