Test Your Tests Before They Betray You: Mutation Testing!
summary
Introduces mutation testing as a way to evaluate and improve unit tests by injecting small code changes (mutants) and checking whether tests detect them. Covers tools and workflows for running mutation testing in projects to find weak or missing tests and strengthen test suites.
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chapters (13)
- 0:00Introduction
- 2:30Insufficient tests problem
- 9:30Mutation testing basics
- 14:25Pitest setup
- 17:15Running Pitest analysis
- 20:06Pitest results analysis
- 23:38Fixing and improving tests
- 27:28False positives and test strength
- 28:10Mutation testing and AI
- 31:18CI/CD integration
- 33:23Performance and scaling
- 35:50Adoption strategies
- 37:16Conclusion
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