Lightweight Assertions for Ad Hoc Python Analysis
Assertions catch data problems before exploratory results become unreliable input.
Tomasz Wielecki
Section
Testing Habits
3 stories in Testing Habits.
Documenting Data Quality Expectations in a Team Wiki
Documentation only works if it's testable and enforceable.
Marcus Seligman
Testing Data Pipelines With Realistic Synthetic Fixtures
Synthetic fixtures beat mocks by testing actual transform logic against realistic data.
Priya Nanthakumar