Testing PostgreSQL Schemas with pgTAP and Atlas
· 7 min read
Testing your database schema shouldn't be an afterthought. Automating checks on your objects, constraints, and functions is critical to catching breaking changes before they hit production.
Enter pgTAP—which relies on traditional runtime assertions in an ephemeral database—and Atlas—which leverages a modern, declarative approach. This post breaks down how both tools handle schema testing and explains when you should swap out heavy runtime assertions for Atlas's lightweight lint rules.
