midUnit Testing
What is setup and teardown in testing?
Updated May 6, 2026
Short answer
Setup prepares test environment; teardown cleans it.
Deep explanation
Used to initialize resources before tests and release them after execution.
Real-world example
Resetting test database in API tests.
Common mistakes
- Not cleaning up resources.
Follow-up questions
- What happens if teardown is skipped?
- Where is setup defined?