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 …
Continue readingPosted 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 …
Continue readingPosted on Thu 31 October 2019 in TDDA • Tagged with reference test, exercise, screencast, video, pytest
This exercise (video 2m 58s)
shows a powerful way to run only a single test, or some subset of tests,
by using the @tag decorator available in the TDDA library.
This is useful for speeding up the test cycle and allowing you to focus
on a single test, or a …
Posted on Wed 30 October 2019 in TDDA • Tagged with reference test, exercise, screencast, video, unittest
This exercise (video 3m 34s)
shows a powerful way to run only a single test, or some subset of tests,
by using the @tag decorator available in the TDDA library.
This is useful for speeding up the test cycle and allowing you to focus
on a single test, or a …
Posted on Tue 29 October 2019 in TDDA • Tagged with reference test, exercise, screencast, video, pytest
This exercise (video 8m 54s) shows how to migrate a test from using pytest
directly to the exploiting the referencetest capabilities in
the TDDA library.
(If you do not currently use pytest for writing
tests, you might prefer the
unittest-flavoured version
of this exercise, since unittest is in Python's standard …