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What can be achieved if we follow Test Driven Development?
Using TDD you build up, over time, a suite of automated tests that you and any other developer can rerun at will. Better Designed, cleaner and more extensible code. It helps to understand how the code will be used and how it interacts with other modules. It results in better design decision and more maintainable code.
What activities are tightly interwoven when using Test Driven Development?
“Test-driven development” refers to a style of programming in which three activities are tightly interwoven: coding, testing (in the form of writing unit tests) and design (in the form of refactoring).
Why is test driven development ( TDD ) so important?
TDD promotes a test-then-code approach. It’s based on the idea that if developers use test cases before writing functionality, they can create better software and, often, complete the project faster. This approach is different from normal software testing, where they generate the code first and only then test it.
How does test driven development reduce reliance on debugging?
Reduces the Reliance on Debugging: Since test-driven development focuses on writing tests first, and only then creating code intended to pass said tests, many developers find that a test-driven development life cycle can dramatically reduce the need for debugging.
Is there a sixth step in the test driven development process?
Arguably, there is a sixth step in this five-step test-driven development process: repeat. If everything is kept small (small use cases, small tests, small code changes, small confirmations, etc), then the entire process, from writing a failing test to confirming a passing test and refactoring, can often take only a few minutes.
How are red and green tests used in Test Driven Development?
A red test is a failing test, while a green test is a passing test, so the process of red-green-refactor just means to create a failing test, make it pass, and then refactor. For most modern software development projects, test-driven development is largely based around the use of other tools that dramatically assist with the process.