Test-Driven Development with Python, 3rd Edition

Chapter 3. Testing a Simple Home Page with Unit Tests

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This will be the 3rd chapter of the final book. The GitHub repo is available at https://github.com/hjwp/book-example.

If you have comments about how we might improve the content and/or examples in this book, or if you notice missing material within this chapter, please reach out to the author at [e-mail].

We finished the last chapter with a functional test failing, telling us that it wanted the home page for our site to have “To-Do” in its title. It’s time to start working on our application. In this chapter, we’ll build our first HTML page, find out about URL handling, and creating responses to HTTP requests with Django’s view functions.

Warning: Things Are About to Get Real

The first two chapters were intentionally nice and light. From now on, we get into some more meaty coding. Here’s a prediction: at some point, things are going to go wrong. You’re going to see different results from what I say you should see. This is a Good Thing, because it will be a genuine character-building Learning Experience™.

One possibility is that I’ve given some ambiguous explanations, and you’ve done something different from what I intended. Step back and have a think about what ...