mutant
https://github.com/mbj/mutant
Ruby
Automated code reviews via mutation testing - semantic code coverage.
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- Issues
- Improve incremental mode
- SQL mutations
- Choose subjects based on an AST diff when using `--since`
- Mutation idea: `foo.all? { |bar| bar == baz }` -> `foo.all?(baz)`
- Idea: neutral mutation only mode
- Enhance corpus tests
- Expand corpus tests
- Improve error UX?
- Skip mutation of `else T.absurd`
- Mutate `str.tr_s(pattern, '')` → `str.delete(pattern)`
- Docs
- Mutant::Util.max_one
- Mutant::Reporter::CLI::Printer::Test::EnvResult#visit_failed_tests
- Mutant::Reporter::CLI::Printer::Test::EnvResult#visit_other_failed
- Mutant::Reporter::CLI::Printer::Test::EnvResult#visit_failed
- Mutant::Usage.parse
- Mutant::Usage::Unknown#verify
- Mutant::Usage::Unknown#merge
- Mutant::Usage#merge
- Mutant::Usage#message
- Mutant::Usage#verify