(.using
 [library
  [lux "*"
   ["_" test {"+" Test}]
   [abstract
    [monad {"+" do}]]
   [control
    ["[0]" try ("[1]#[0]" functor)]
    [parser
     ["[0]" environment]]
    [concurrency
     ["[0]" async]]]
   [data
    ["[0]" binary ("[1]#[0]" equivalence)]
    [text
     [encoding
      ["[0]" utf8]]]]
   [math
    ["[0]" random]]
   [world
    ["[0]" file]
    ["[0]" program]]]]
 [\\program
  ["[0]" /]])

(def: .public test
  Test
  (<| (_.covering /._)
      (do [! random.monad]
        [/ (random.upper_case 1)
         home (random.lower_case 10)
         working_directory (random.lower_case 10)
         .let [fs (file.mock /)
               program (program.async (program.mock environment.empty home working_directory))
               repo (/.repository program fs)]

         uri (random.lower_case 10)
         expected (# ! each (# utf8.codec encoded)
                     (random.lower_case 10))]
        (all _.and
             (in (do async.monad
                   [before_upload (# repo download uri)
                    _ (# repo upload uri expected)
                    actual (# repo download uri)]
                   (_.coverage' [/.repository]
                     (and (case before_upload
                            {try.#Success _} false
                            {try.#Failure _} true)
                          (|> actual
                              (try#each (binary#= expected))
                              (try.else false))))))
             ))))