Prompts
Testing & Refactoring
Overview
Devin can analyze existing codebases, identify areas for improvement, or execute on refactoring requirements you share without breaking functionality.
Common Use Cases
- Writing and expanding test coverage
- Code refactoring and optimization
- API endpoint development and modification
- Performance improvements
- Code review and quality assurance
- Automated testing workflows via the API Reference
Example Prompts
Write unit test
Write unit test
Write unit test
Endpoint refactor
Endpoint refactor
Endpoint refactor
General refactor
General refactor
General refactor
Example Sessions
Code Coverage Tutorial
Learn how to improve test coverage systematically through our detailed tutorial:
- Writing comprehensive unit tests
- Identifying coverage gaps
- Implementing missing test cases
View the Code Coverage Tutorial
Connect4 Code Refactor
A complete refactoring session showing:
- Code structure improvement
- Component separation
- Performance optimization
- Test coverage enhancement
View Session: https://app.devin.ai/sessions/8965de5e3ae0436985bf3dd2e1a5b4af