Port/Adapter/Simulator: read-only and write-only dependencies…

When dealing with many external dependencies, the Port/Adapter/Simulator pattern works great. But what about dependencies that are read-only – such as consuming an information feed from another system – or write-only – such as sending a notification to a user? Can we use P/A/S in those scenarios? The answer is a qualified "yes" – we…

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You suck at TDD #3 – On Design sensitivity and improvement

Through an above-average display of ineptness, I managed to overwrite my first version of this post with a response I wrote to the comments. Since I’m too lazy to try to reconstruct it, I’m going to go a different direction. In a recent talk about design, I told the attendees that I was going to…

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Agile Open Northwest 2016 recap

Last week, I spent three days at Agile Open Northwest 2016, a small (300-ish people) agile conference held at the Exhibition Hall at Seattle Center. Well, perhaps ‘conference" is the wrong word; one of the first things that I read about the conference said the following: Agile Open Northwest runs on Open Space Technology (OST)….

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