go-mutesting
A framework for performing mutation testing on Go source code to find untested implementation cases.
What is go-mutesting?
go-mutesting is a mutation testing framework for Go that automatically modifies source code to create mutants and checks if existing test suites detect these changes. It helps identify untested code, dead code, and test suite gaps by calculating a mutation score based on how many mutants are killed.
Go developers and teams focused on improving test suite quality, especially those working on libraries, tools, or projects where test coverage and correctness are critical.
It provides a structured, extensible way to perform mutation testing in Go with built-in mutators, support for custom exec commands, and a blacklisting system to reduce false positives, offering deeper insights than standard coverage tools.
Overview
Mutation testing for Go source code
Use Cases
Best For
- Evaluating the effectiveness of automatically generated test suites
- Identifying untested edge cases in Go codebases
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