Flat Files (a.k.a. CSV files)

Posted on Fri 16 July 2021 in TDDA • Tagged with data

This week, a client I'm working for received a large volume of data, and as usual the data was sent as "flat" files—or CSV (comma-separated values1) files, as they are more often called. Everyone hates CSV files, because they are badly specified, contain little metadata and are generally …

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Sharing Tests across Implementations by Externalizing Test Data

Posted on Sun 30 August 2020 in TDDA • Tagged with tests, reference tests, data

I've been dabbling in Swift—Apple's new-ish programming language—recently. One of the things I often do when learning a new language is either to take an existing project in a language I know (usually, Python) and translate it to the new one, or (better) to try a new project …

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