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