Gain insights into test-driven development in Django, explore the differences between test methodologies, and learn to build robust applications through unit testing and Red-Green Refactor methodology.

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steps involved in test-driven development

As Django co-founder Jacob Kaplan-Moss says, “code without tests is broken as designed.” That’s why it’s essential to develop your applications with tests and success conditions in mind.

This course is an introduction to test-driven development and a practical guide on applying these principles to Django development. You’ll start with the purpose of automated testing, including the differences between test-driven development and development-driven testing. You’ll then be introduced to Django, a Python framework for building web applications. You’ll design and write a series of unit tests before building a complete web application using Django—a web application that will pass all the tests you designed, to ensure a robust, low-risk experience.

By the end of this course, you’ll be familiar with test-driven development, Red-Green Refactor methodology, and deploying quality applications using Django.

Build Robust Applications with Test-driven Development in Django

Maybe. Refactoring is the fifth and final step involved in TDD, but it’s completely optional.

Yes, it’s necessary to refactor your code even if the code you intially wrote was very clean.


No, you never refactor your code. In fact, it isn’t part of the steps in TDD.

Should you refactor your code after the tests pass?

Should you refactor your code after the tests pass?

Rewrite the code, and then rerun the test. Keep repeating this process until the tests pass.

What should you do when you rerun the tests after writing the simplest code and they fail again? 

What should you do when you rerun the tests after writing the simplest code and they fail again?

No, it’s recommended you don’t because you want the tests to fail, and existing tests might pass since the feature has been built.

When running the tests initially, should you also run old tests?

When running the tests initially, should you also run old tests?

Test what you’ve learned in this chapter with this quiz.

Introduction

Steps Involved in Test-driven Development

E-library Application: Part One

E-library Application: Part Two

E-library Application: Part Three

What's Next?

Conclusion

Quiz Yourself on the Steps Involved in Test Driven Development