Testing legacy code: Hard-wired dependencies

When pairing with some developers, I’ve noticed that one of the reasons they are not unit testing existing code is…

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Test-driving Builders with Mockito and Hamcrest

A lot of people asked me in the past if I test getters and setters (properties, attributes, etc). They also…

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Extract, Inject, Kill: Breaking hierarchies – Part 2

 In part one I explained the main idea behind this approach and  I started this example. Please read part one before…

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Extract, Inject, Kill: Breaking hierarchies – Part 1

Years ago, before I caught the TDD bug, I used to love the template method pattern. I really thought that…

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Frustrations and aspirations of a software craftsman

For a while I’ve been thinking about what makes me like or dislike a project. Having spent a very big…

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Working with legacy code

Context Large organisations’ systems may have from tens of thousands to a few million lines of code and a good…

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Mentorship in Software Craftsmanship

First, a little bit of background and metaphor In the medieval times, apprentices would work in workshops an would be…

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