ALL LESSONS
Module 20
Developer Testing Best Practices
Apr 5, 2026
1 min read
Testing Serverless Applications
Comprehensive testing strategy for AWS workloads.
Testing Layers
Unit Testing: - Lambda handler functions - Business logic isolation - DynamoDB data mappers Integration Testing: - LocalStack AWS emulation - DynamoDB Local database - SAM Local API Gateway Load Testing: - Artillery/Locust scripts - API Gateway throttling tests - Lambda concurrency limits
Optimization Tools
- Lambda Power Tuning (memory)
- Serverless Framework plugins
- AWS SAM Accelerate plugin
- Code coverage reporting