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' } watch("test/mini_sql/builder_tests.rb") { ['test/mini_sql/postgres/builder_test.rb', 'test/mini_sql/sqlite/builder_test.rb'] } end