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Test readability

I read this excellent post on test readability a few days ago. I like the way he shows how he refactors a test for readability but personally I would have written the example test a little bit differently. First of all I would have added another extension Read More...
Posted Thursday, June 11, 2009 9:23 PM by cellfish | 0 Comments
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When to write passing tests before fixing a bug

If you're a BDD/TDD practitioner you're probably used to create a failing test whenever you have a new bug reported and you want to fix it. But sometimes a situation arises where you have to do the opposite; creating a passing test before you fix a bug. Read More...
Posted Tuesday, April 21, 2009 1:45 PM by cellfish | 0 Comments
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CAT - Continuous Acceptance Testing

A few days ago I wrote about Continuous Unit Testing (CUT) and why the need for CUT was a sign of other problems . The last days I have been thinking about CUT a little bit more and I still find CUT questionable but there is another thing - CAT (Continuous Read More...
Posted Saturday, January 17, 2009 10:17 AM by cellfish | 0 Comments
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Why slow unit tests are a bad smell:

Earlier I promised to elaborate on why slow unit tests are a sign of problems (or a smell if you like). So here it goes. The first thing I would like to look at is when the complete test suite takes too long to run to be part of a tight TDD-loop. If it Read More...
Posted Wednesday, January 07, 2009 10:07 AM by cellfish | 2 Comments
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CUT - Continuous Unit Testing

During the Christmas holidays I read about something I would like to call CUT (Continuous Unit Testing). CUT is a technique where you run your unit tests in the background all the time rather than after each time you compile (I'm assuming TDD/BDD is being Read More...
Posted Monday, January 05, 2009 10:05 AM by cellfish | 0 Comments
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Yet another reason for loving xUnit.net

I recently noticed a thing about xUnit.net that makes me love that framework even more than before . As you probably already know, an important aspect of (unit) tests is that they can be executed in any order. xUnit.net helps you remember this since it Read More...
Posted Wednesday, November 26, 2008 11:26 AM by cellfish | 0 Comments
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Dangers of using Visual Studio 2008 Team System Code Coverage Tool for Native C++

So now you know how to get coverage reports for native C++ using Visual Studio 2008 Team System (if not - read this ). There are a few things you need to know before you get excited. First of all the only metrics you get are line and block coverage. A Read More...
Posted Tuesday, November 18, 2008 2:18 PM by cellfish | 2 Comments
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Native C++ Code Coverage reports using Visual Studio 2008 Team System

The code coverage tool in Visual Studio 2008 Team System is quite easy to use from within the IDE unless you want code coverage for your native C++ code. In order to generate a code coverage report for native C++ you have to use the command line tools. Read More...
Posted Sunday, November 16, 2008 11:16 AM by cellfish | 6 Comments
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Exit Mocks. Enter Stubs!

Since I'm not a fan of mocks I guess my prayers have been heard. Microsoft Research will soon release a stub framework . That's right. Stubs and not mocks! It is part of Pex that I have mentioned before . And you don't need to use Pex if you don't want. Read More...
Posted Tuesday, October 14, 2008 11:13 AM by cellfish | 2 Comments
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My new favorite .Net unit test framework

I recently had a chance to really sink my teeth into xUnit.net . Since I've been stuck with CPPUnit for quite some time and working with xUnit.net was a relief. Compared to NUnit I find xUnit much easier and convenient to work with (and compared with Read More...
Posted Wednesday, September 24, 2008 10:53 AM by cellfish | 1 Comments
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Nothing is "Too simple to test"

A common practice taught in many TDD classes is the principle of too easy to test . The principle basically says that you should not test really simple things since then you will spend time writing tests that not really add value. This is a fair recommendation Read More...
Posted Monday, June 23, 2008 8:18 AM by cellfish | 0 Comments
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Code Coverage

Measuring code coverage is often perceived as a good measure of test quality. It is not. Good tests finds problems when changes are made to the code. But if you just want to have large code coverage you can easily make a number of tests calling all your Read More...
Posted Monday, June 16, 2008 8:00 AM by cellfish | 3 Comments
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I don't like Mock objects

When looking at BDD and TDD examples it is very common to see the use of mock objects in the code. This however strikes me as a little bit strange since I think you should use stubs and not mocks when working with BDD/TDD. A mock is basically a stub with Read More...
Posted Saturday, May 24, 2008 10:44 PM by cellfish | 8 Comments
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Yet another unit test framework for .Net released

Version 1.0 of xUnit.net has been released . So do we need another unit test framework? And I think the answer is yes . There are a number of things that I've found a little bit weird in NUnit and with xUnit.net they have been removed. I definitely think Read More...
Posted Thursday, April 24, 2008 8:09 AM by cellfish | 1 Comments
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Mocks are not Stubs

As many before me I was recently looking at different mocking frameworks in order to find one that suited my needs, and was written in C++. And there are not many alternatives out there if you're using C++. I've found one open source and two internal Read More...
Posted Tuesday, April 22, 2008 8:24 AM by cellfish | 2 Comments
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