Chapter 6
Test-Driven Development
It wouldn’t be right if we didn’t make an effort to show test-driven development (TDD) in action. So, in this chapter we’re going to create an app from scratch using our TDD approach. Using TDD, we’re going to create a sample app for a daily horoscope. I’m not an astrology fanatic by any means, but it’s a simple enough app that will allow us to show our TDD techniques in action.
Understanding Test-Driven Development
TDD means that we take the first feature on our list of features and code using the following process:
- Write a test first and see it fail (red)
- Implement the simplest possible solution to get our test to pass (green)
- Refactor to remove any code smells (refactor)
In reality you’re probably going ...
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