FactoryBoy/factory_boy

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

3804 stars · 420 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

factory_boy is a Python test fixtures replacement inspired by Ruby's factory_bot. It lets developers define declarative factories for creating test objects, working well with ORMs like Django, SQLAlchemy, and MongoDB.

Use cases

• generate test data for django models
• replace static fixtures in python tests
• create test objects with only test-specific fields
• build test fixtures for sqlalchemy
• set up complex object graphs in unit tests
• create mock users and orders for integration tests

When to choose

• you maintain repetitive, hard-to-update static test fixtures
• your tests need many variations of model instances
• you use Django, SQLAlchemy, or MongoDB and want ORM-aware factories

When to avoid

• you only need simple hardcoded test constants
• your project is not in Python
• you prefer property-based or random data generation over declarative factories

Facets

library · maturity stable

testing mocking data-generation testing developer-tools web-development python test-fixtures factory-pattern django sqlalchemy orm

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