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The Absolute Beginner’s Guide To Mutation Testing - Neal Brooks
Discover the beginner's guide to mutation testing, a powerful extension of traditional testing that helps spot defects, edge cases, and code weaknesses, and learn how to integrate it into your CI pipeline for improved code quality and reliability.
- Mutation testing is a valuable extension of traditional testing, helping spot defects and edge cases hard to catch.
- Early on, mutation testing will surface the most critical issues, exposing weaknesses in your codebase from day one.
- Coverage is deceiving; a high amount of coverage doesn’t necessarily mean your application is reliable or bug-free, and mutation testing can help bridge the gulf between coverage and quality indicators.
- Mutation testing is a manual process, but can be automated into a CI pipeline to run automatically triggered by code changes.
- The importance of test organization and structure; e.g., grouping tests by feature / behavior rather than randomly scattered methods.
- Mutation testing can be set to run automatically with every code change, so as to ensure quality maintenance in the development process.
- It aids in identifying areas of the code structure and architecture that are worth reviewing and refactoring.
- Mutation techniques are not just about writing faulty code, but also about creating alternative versions of existing code. *
- Mutation testing is a helpful metric for measuring the quality of your CI/CD pipeline, providing direct insights into the reliability of your shipped software.
- It can help optimize test suites, by identifying coverage holes and redundant tests.
- Mutationtesting should be used in conjunction with other valuable metrics, such as speed, stability testing and overall system reliability.
- Good coding practices and quality testing measures, such as Mutation testing contribute to a high-quality product, the sooner, the better.
- Mutation testing is a tool that can help bring code quality and testing to mind and make it a priority without manual testing.