A Python Introduction to Behavior Driven Development
summary
Explains how to write executable requirements with Gherkin and run them in Python using behave, tying feature files to step implementations, backgrounds and tags. Shows a real repo running CI with GitHub Actions against DuckDB, BigQuery, Postgres and Snowflake; current suite is 17 features, 91 scenarios, 474 steps and a full matrix run takes ~18 minutes (BigQuery ~4 min). Demonstrates DBT integration tests, initial failures fixed iteratively, and Slack alerts for broken runs.
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chapters (9)
- 0:00Introduction
- 1:01Testing challenges
- 2:54Overview of BDD
- 4:20The Gherkin language
- 6:47Implementing with behave
- 11:02Real-world application
- 15:16Automation and CI
- 17:33Summary and conclusion
- 18:17Q&A session
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