{"name":"active_mutator","downloads":3229,"version":"0.4.0","version_created_at":"2026-08-10T18:01:21.382Z","version_downloads":216,"platform":"ruby","authors":"Daniel John","info":"Mutation testing for Ruby and Rails. Uses Prism-based source-span mutations (no unparser), coverage-mapped test selection, and a fork-per-mutant kill pipeline. Scopes to changed methods for a fast dev loop, or to a diff for CI. Includes an incremental coverage baseline and a committed acceptance ledger for equivalent mutants.","licenses":["MIT"],"metadata":{"changelog_uri":"https://github.com/drj613/active_mutator/blob/main/CHANGELOG.md","bug_tracker_uri":"https://github.com/drj613/active_mutator/issues","source_code_uri":"https://github.com/drj613/active_mutator","rubygems_mfa_required":"true"},"yanked":false,"sha":"163e818f24c6223438e6d4b937499f72b62e60048ef43f3fab021ad7e75bc6d9","spec_sha":"367954ff704a51b726a0000f78521e2d04ed42014155c3b214239e2e43d3778a","project_uri":"https://rubygems.org/gems/active_mutator","gem_uri":"https://rubygems.org/gems/active_mutator-0.4.0.gem","homepage_uri":"https://github.com/drj613/active_mutator","wiki_uri":null,"documentation_uri":null,"mailing_list_uri":null,"source_code_uri":"https://github.com/drj613/active_mutator","bug_tracker_uri":"https://github.com/drj613/active_mutator/issues","changelog_uri":"https://github.com/drj613/active_mutator/blob/main/CHANGELOG.md","funding_uri":null,"dependencies":{"development":[{"name":"rspec","requirements":"~> 3.13"}],"runtime":[{"name":"prism","requirements":">= 0.30, < 2"},{"name":"rspec-core","requirements":"~> 3.12"}]}}