Unit Testing · question
Q.01 of 32
What is unit testing and why is it important?
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Unit testing tests individual components (functions, methods, classes) in isolation to verify they work correctly.
Importance:
- Early bug detection: Catches issues during development
- Documentation: Tests document expected behavior
- Refactoring confidence: Enables safe code changes
- Design improvement: Promotes modular, testable code
- Cost reduction: Fixing bugs early is cheaper
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