Debugging And Testing Questions Medium
Test-driven development (TDD) code kata is a practice that involves writing small, focused tests before writing the actual code. It follows a cycle of writing a failing test, writing the minimum amount of code to pass the test, and then refactoring the code to improve its design and maintainability.
The process of practicing TDD code kata typically involves the following steps:
1. Understand the requirements: Begin by understanding the requirements or specifications of the feature or functionality that needs to be implemented.
2. Write a failing test: Start by writing a test that verifies the desired behavior of the code. This test should initially fail since the code to implement the functionality has not been written yet.
3. Write the minimum code to pass the test: Write the simplest code possible to make the failing test pass. This code may not be perfect or optimized, but it should fulfill the requirements of the test.
4. Run the test: Execute the test to ensure that it passes. If the test fails, iterate on step 3 until the test passes.
5. Refactor the code: Once the test passes, refactor the code to improve its design, readability, and maintainability. This step involves restructuring the code without changing its behavior, ensuring that the tests continue to pass.
6. Repeat the cycle: Repeat the above steps for the next test case or requirement. Each test case should be small and focused, testing a specific behavior or functionality.
By following this iterative process, TDD code kata helps in ensuring that the code is thoroughly tested and that it meets the desired requirements. It also promotes better code design and maintainability by encouraging refactoring after each test case. Additionally, TDD code kata helps in catching bugs early in the development process, making debugging easier and reducing the overall development time.