(.module:
  [lux #*
   ["_" test (#+ Test)]
   [abstract
    [monad (#+ do)]]
   [control
    ["." try ("#\." functor)]
    [parser
     ["." environment]]
    [concurrency
     ["." promise]]]
   [data
    ["." binary ("#\." equivalence)]
    [text
     [encoding
      ["." utf8]]]]
   [math
    ["." random]]
   [world
    ["." file]
    ["." program]]]
  {#program
   ["." /]})

(def: #export test
  Test
  (<| (_.covering /._)
      (do {! random.monad}
        [/ (random.ascii/upper 1)
         home (random.ascii/lower 10)
         working_directory (random.ascii/lower 10)
         #let [fs (file.mock /)
               program (program.async (program.mock environment.empty home working_directory))
               repo (/.repository program fs)]

         uri (random.ascii/lower 10)
         expected (\ ! map (\ utf8.codec encode)
                     (random.ascii/lower 10))]
        ($_ _.and
            (wrap (do promise.monad
                    [before_upload (\ repo download uri)
                     _ (\ repo upload uri expected)
                     actual (\ repo download uri)]
                    (_.cover' [/.repository]
                              (and (case before_upload
                                     (#try.Success _) false
                                     (#try.Failure _) true)
                                   (|> actual
                                       (try\map (binary\= expected))
                                       (try.default false))))))
            ))))