Book Image

Django 1.1 Testing and Debugging

Book Image

Django 1.1 Testing and Debugging

Overview of this book

Bugs are a time consuming burden during software development. Django's built-in test framework and debugging support help lessen this burden. This book will teach you quick and efficient techniques for using Django and Python tools to eradicate bugs and ensure your Django application works correctly. This book will walk you step by step through development of a complete sample Django application. You will learn how best to test and debug models, views, URL configuration, templates, and template tags. This book will help you integrate with and make use of the rich external environment of test and debugging tools for Python and Django applications. The book starts with a basic overview of testing. It will highlight areas to look out for while testing. You will learn about different kinds of tests available, and the pros and cons of each, and also details of test extensions provided by Django that simplify the task of testing Django applications. You will see an illustration of how external tools that provide even more sophisticated testing features can be integrated into Django's framework. On the debugging front, the book illustrates how to interpret the extensive debugging information provided by Django's debug error pages, and how to utilize logging and other external tools to learn what code is doing.
Table of Contents (17 chapters)
Django 1.1 Testing and Debugging
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We have now completed the overview of debugging support in Django. In this chapter, many topics were introduced that will be covered in greater depth in subsequent chapters. Specifically, we have:

  • Learned about the Django settings that control the collection and presentation of debug information

  • Seen how when debug is turned on, special error pages are produced that help with the task of debugging problems

  • Learned about the history of database queries that is maintained when debugging is turned on, and saw how to access it

  • Discussed several features of the development server that are helpful when debugging

  • Described how errors are handled in production, and the settings related to ensuring that helpful debug information is routed to the correct people

The next chapter will proceed to delve into the details of Django debug pages.