SQLAlchemy

Database Testing

ORM Testing Patterns: How to Test SQLAlchemy, Prisma, and TypeORM Correctly

ORMs hide SQL behind object abstractions, which makes application code cleaner but creates a testing trap: it's tempting to mock the ORM and test nothing real. Mock-based ORM tests can show 100% coverage while completely missing query logic bugs, N+1 problems, and constraint violations that only

Testing

Testing SQLAlchemy Models: factory-boy, Fixture Patterns, and Relationship Assertions

Writing tests for SQLAlchemy models means solving one problem over and over: creating realistic test data without duplicating setup code across hundreds of test files. The answer is factories. This guide shows you how to use factory-boy with SQLAlchemy to create clean, maintainable model tests—including relationship assertions, trait