Tell your story through data
Compelling, data-driven narratives and tools for exploration and data preparation. Browse our work »
WhoWasInCommand
A system for compiling public information on security forces to aid journalists, human rights groups and litigators to hold security forces accountable.
Chicago's Million Dollar Blocks
An interactive map showing spending on incarceration for every block in the City of Chicago.
LargeLots.org
We worked with the City of Chicago and neighborhood groups to improve and scale up a program for selling land to residents.
Products
Bring these amazing civic and data tools to your city or organization. Browse our products »
Dedupe.io
Dedupe.io is a powerful machine learning tool that learns the best way to match similar rows in your data.
Councilmatic
Your local city council, demystified. Search and browse your local legislation, representatives, and meetings.
Budget Breakdown
Empower your audience to browse and compare budgets in an interactive visualization.
Blog
Transactional Testing with Pytest and Flask-SQLAlchemy
Jul 18, 2018 by
Jean Cochrane
In this blog post we’ll cover DataMade’s approach to testing highly-stateful web apps like Dedupe.io, and introduce a new open-source plugin that we’re releasing to make it easier to test stateful Flask-SQLAlchemy apps using pytest: pytest-flask-sqlalchemy-transactions.
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