Test-Driven Development with Django by Kevin Harvey

By Kevin Harvey

Test-Driven improvement (TDD) simplifies the trickiest of software program initiatives with its certain skill to peel again difficulties into layers. The trying out instruments on hand in Python and Django make try writing a pleasure, and the entire assurance attempt suite that effects from TDD is a boon to any project.

This advisor to constructing with Django takes a test-first process: write a try, then write adequate creation code to get it to cross. You’ll speedy get hands-on event, writing checks for a database-driven software with the TDD technique. Use this publication to construct the abilities and conduct that make trying out a standard a part of your workflow.

Show description

Read or Download Test-Driven Development with Django PDF

Best programming books

Start Here! Learn the Kinect API

Ready to profit Kinect programming? begin right here! ™

Learn the basics of programming with the Kinect™ API—and start development apps that use movement monitoring, voice acceptance, and extra. when you have event programming with C#—simply commence the following! This e-book introduces must-know techniques and strategies via easy-to-follow causes, examples, and exercises.

Here’s the place you begin studying Kinect
* construct an program to show Kinect video in your workstation
* Have Kinect take pictures whilst it detects stream
* Draw on a working laptop or computer display via relocating your finger within the air
* song your physique gestures and use them to regulate a application
* Make a application that is aware your speech and talks again to you
* Play an element on your personal augmented truth online game
* Create an "air piano" utilizing Kinect with a MIDI machine

Programming F# 3.0

Why examine F#? With this consultant, you’ll learn the way this multi-paradigm language not just provides you with an important productiveness strengthen via sensible programming, but in addition permits you to advance purposes utilizing your current object-oriented and principal programming talents. You’ll fast notice the various merits of the language, together with entry to the entire nice instruments and libraries of the . web platform.

Reap some great benefits of practical programming to your subsequent undertaking, no matter if you’re writing concurrent code, or construction info- or math-intensive functions. With this complete e-book, former F# workforce member Chris Smith promises a head begin at the basics and walks you thru complicated suggestions of the F# language.
* study F#’s distinct features for development purposes
* achieve a fantastic realizing of F#’s middle syntax, together with object-oriented and vital types
* Make your object-oriented code larger via using useful programming styles
* Use complex practical thoughts, similar to tail-recursion and computation expressions
* make the most of multi-core processors with asynchronous workflows and parallel programming
* Use new variety services for interacting with net companies and information-rich environments
* find out how good F# works as a scripting language

Programming for Musicians and Digital Artists: Creating music with ChucK

Programming for Musicians and electronic Artists: growing song with ChucK bargains an entire creation to programming within the open resource song language ChucK. In it, you'll study the fundamentals of electronic sound construction and manipulation whenever you detect the ChucK language. As you progress example-by-example via this easy-to-follow e-book, you'll create significant and profitable electronic compositions and "instruments" that make sound and track in direct reaction to software good judgment, ratings, gestures, and different structures hooked up through MIDI or the community.

Additional info for Test-Driven Development with Django

Sample text

Here's more hard-to-read test output. Once again, it's telling us that it couldn't find the element that it's looking for, as expected. html. e. e. py test Creating test database for alias 'default'... StudentTestCase) --------------------------------------------------------------------... AssertionError: Incomplete Test ... And on to the next comment. Update the test with the following code, moving the placeholder down as we go: ... fail('Incomplete Test') [ 33 ] Your First Test-Driven Application send_keys lets us type in an input element, and submit allows us to submit a form.

Model): pass This will look very familiar if you've done much work with Django. We're subclassing Model for our solo model, which will give it an objects attribute. Run some tests and we'll see a new error. py test ... OperationalError: no such table: solos_solo The above exception was the direct cause of the following exception: ... com Your First Test-Driven Application What Django is trying to tell us with this database error is that there's no table for the solos, because we haven't created a migration for our Solo model yet.

Google is your friend, as am I. net if you're really stuck. 2MB downloaded Installing collected packages: django Successfully installed django Cleaning up... py test Creating test database for alias 'default'... 000s OK Destroying test database for alias 'default'... $ [ 14 ] Chapter 2 Believe it or not, this actually tells us something. We know that we've got a Django project where we can write some tests. We also know that our development environment is set up correctly since we didn't get any errors trying to run that command.

Download PDF sample

Test-Driven Development with Django by Kevin Harvey
Rated 4.53 of 5 – based on 7 votes