guard :minitest do watch(%r{^test/(.*)\/(.*)_test\.rb$}) watch(%r{^lib/(.*/)?([^/]+)\.rb$}) { |m| "test/#{m[1]}#{m[2]}_test.rb" } watch(%r{^test/test_helper\.rb$}) { 'test' } end guard :yard do watch(%r{^lib/(.*/)?([^/]+)\.rb$}) end