mutant

https://github.com/mbj/mutant

Ruby

Automated code reviews via mutation testing - semantic code coverage.

Mutant::Result::Subject#amount_mutations_killed

Number of killed mutations

Source | Google | Stack overflow

Edit

git clone [email protected]:mbj/mutant.git
cd mutant
open lib/mutant/result.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Mutant--Result--Subject-amount_mutations_killed-for-pr

# Commit to git
git add lib/mutant/result.rbgit commit -m "better docs for Mutant::Result::Subject#amount_mutations_killed"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-Mutant--Result--Subject-amount_mutations_killed-for-pr
hub pull-request

# Celebrate!