TDDA 1-pager
We have written a 1-page summary of some of the core ideas in TDDA.
It is available as a PDF from stochasticsolutions.com/pdf/TDDA-One-Pager.pdf.
Continue readingWe have written a 1-page summary of some of the core ideas in TDDA.
It is available as a PDF from stochasticsolutions.com/pdf/TDDA-One-Pager.pdf.
Continue readingPosted on Tue 31 January 2017 in TDDA • Tagged with tdda, regular expressions
We
previously
added rexpy
to the Python tdda
module. Rexpy is used to
find regular expressions from example strings.
One of the most common requests from Rexpy users has been for information regarding how many examples each resulting regular expression matches.
We have now added a few methods …
Continue readingPosted on Thu 26 January 2017 in TDDA • Tagged with tdda, constraints, rexpy
Since the last post, we have extended the reference test functionality
in the Python tdda
library.
Major changes (as of version 0.2.5, at the time of writing) include:
ReferenceTest
class that has significantly
more functionality from the previous (now deprecated)
WritableTestCase
.pytest …
Posted on Fri 11 November 2016 in TDDA • Tagged with tdda, constraints, pandas, regular expressions
There's a Skyscanner data feed we have been working with for a year or so. It's produced some six million records so far, each of which has a transaction ID consisting of three parts—a four-digit alphanumeric transaction type, a numeric timestamp and a UUID, with the three parts …
Continue readingPosted on Fri 04 November 2016 in TDDA • Tagged with tdda, constraints, pandas
We recently extended the tdda library to include support for automatic discovery of constraints from datasets, and for verification of datasets against constraints. Yesterday's post—Constraint Discovery and Verification for Pandas DataFrames—describes these developments and the API.
The library we published is intended to be a base for …
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