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PawCast with GeePaw Hill

91 EpisodesProduced by GeePaw HillWebsite

GeePaw is a software development coach with over 30 years in the field. His unique understanding of how to enact lasting change among teams has established him as a leader of the agility concept known as "Change-Harvesting". Here you can find his weekly podcasts.

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Microtest TDD is Gray-Box | #75

In the '70's, an important movement developed in testing theory, called "black box" testing. The idea is straightforward: We can prove our software works by treating it as a closed opaque container with only some knobs and meters on the front of it, a "black box". The tests we write don't know what 's inside the box, they only know the specification of how the surface controls are supposed to work. If they don't work tht way it's a fail, if they do work that way it's a pass. This idea has great merit under certain circumstances. It also has a kind of intellectual simplicity and purity that is profoundly pleasing to both the theorist and the newcomer. "It's just that simple." It also received considerable backing from the sociotechnical circumstances surrounding it. It allows a division of labor, for instance: there are testers and there are developers, and never the twain shall meet. And at the time, it was also by and large *viable*. We could do it.


You can read the full transcription of this podcast over on Any feedback, you can always tweet @GeePawHill on Twitter, or drop a voice message via the voice messages link here on Anchor. If you are interested in becoming more involved in the Change-Harvesting community, click here to learn how to join GeePaw's Camerata.

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