(.module:
  [lux #*
   ["_" test (#+ Test)]
   [abstract
    [monad (#+ do)]]
   [control
    [concurrency
     [promise (#+ Promise)]]]
   [data
    ["." text]]
   [math
    ["." random (#+ Random)]]
   [world
    ["." file]]]
  [//
   ["@." artifact]]
  {#program
   ["." /
    ["/#" // #_
     ["#." artifact]]]})

(def: #export test
  Test
  (<| (_.covering /._)
      (do {@ random.monad}
        [sample @artifact.random
         #let [fs (: (file.System Promise)
                     (file.mock (:: file.default separator)))]]
        ($_ _.and
            (_.cover [/.repository /.path]
                     (let [path (/.path fs sample)]
                       (and (text.starts-with? (/.repository fs)
                                               path)
                            (text.ends-with? (//artifact.path fs sample)
                                             path))))
            ))))