Articles on tdd
Writing Reliable iOS Tests
Tests help me write better apps. Writing tests informs my interface designs, expresses some of my intentions, and guards against regressions. As applications grow so do the number of tests I’m running as a regular part of my development workflow. If I’m not careful those growing test suites can slow down, become inconsistent, and eventually …
Test-Driving the Design of MVC Based Apps
Using tests to drive out the design of objects is an effective way to write code. By taking the perspective of a client, your objects will develop simple, and intuitive interfaces. In addition, the tests act as both documentation and an automated, regression test suite. In this post, we’ll outline a basic test-driven workflow for …
Test-Driven C with Ceedling
Recently, an Arduino project forced me to brush up on my C. Like many programmers of my generation, C was my first programming language; but it has been a while since I wrote anything in it. After a quick K&R refresher, I immediately began looking for a unit testing framework. I found several, but I …
Beginning Test-Driven Development in Android
The Android framework contains several familiar and new architectural patterns. Fortunately, testing was not forgotten. In this post, we’ll develop a simple app test-first, exploring both functional and unit testing in Android. We’ll be using the latest Android API, 4.1, and working entirely from the command-line. All the code is available on github.
How to Test External APIs
Integrating with an external API is almost a guarantee in any modern web app. To effectively test such integration, you need to stub it out. A good stub should be easy to create and consistently up-to-date with actual, current API responses. In this post, we’ll outline a testing strategy using stubs for an external API.
Behavior Driven Development for node.js
On Tuesday night, the San Francisco Server Side JavaScripters had an excellent meetup hosted by the folks at CBS Interactive. I gave a short talk on using zombie.js with jasmine-node to test drive your node.js application under automation. Here is the video: Here are the slides from my presentation: http://node-bdd.heroku.com And here is the source …
Speedy Test Iterations for Rails 3 with Spork and Guard
Overview TDD is fun, right? Rails enthusiasts and agile evangelists alike agree. Waiting for your tests to run, however, makes for a frustrating experience. When the time between test iterations is magnified by bloated tests it can be hard to maintain a purist’s test-driven approach. After looking into autotest, parallel testing, and in-memory databases, I …