(.module:
  [library
   [lux #*
    ["_" test (#+ Test)]
    [abstract
     [monad (#+ do)]
     [\\specification
      ["$." equivalence]]]
    [math
     ["." random (#+ Random)]]]]
  [//
   ["@." artifact]]
  [\\program
   ["." /]])

(def: #export random
  (Random /.Dependency)
  ($_ random.and
      @artifact.random
      (random.ascii/alpha 1)))

(def: #export test
  Test
  (<| (_.covering /._)
      (_.for [/.Dependency]
             ($_ _.and
                 (_.for [/.equivalence]
                        ($equivalence.spec /.equivalence ..random))
                 ))))