NestJS API Testing Guidelines

Testing strategies and practices for NestJS backend APIs at Synapse Studios

Note: This document has been replaced with more comprehensive testing guides. Please refer to the following resources:

📚 NestJS Testing Documentation

Our NestJS testing practices are now documented in detail within the NestJS Implementation Guide:

Unit Testing in NestJS

Testing domain entities and value objects
Testing use cases with stubs
Pure unit tests without framework dependencies
Test organization and best practices

Integration Testing in NestJS

End-to-end API testing
Repository testing with real databases
Test environment setup
Business workflow testing
Performance testing

For testing business logic in isolation → Unit Testing
For testing complete API endpoints → Integration Testing
For understanding the architecture → Clean Architecture in NestJS
For repository testing patterns → Repository Pattern

Backend Integration Testing Concepts - Theoretical foundation
Test-Driven Development - TDD methodology
Acceptance Testing Guidelines - Business-focused testing

The original content of this document has been expanded and integrated into the comprehensive NestJS testing guides linked above.