(.module:
  [lux #*
   ["_" test (#+ Test)]
   [abstract
    [monad (#+ do)]]
   [control
    ["." try]
    [concurrency
     ["." promise]]
    [parser
     ["." environment]]
    [security
     ["!" capability]]]
   [data
    ["." text ("#\." equivalence)]
    [collection
     ["." dictionary]]]
   [math
    ["." random]]
   [world
    ["." file]
    ["." shell]
    ["." program]]]
  ["." // #_
   ["@." version]
   ["@." build]
   ["$/#" // #_
    ["#." package]]]
  {#program
   ["." /
    ["/#" // #_
     ["#." build]
     ["/#" // #_
      ["#" profile (#+ Profile)]
      ["#." action]
      ["#." artifact
       ["#/." type]]
      ["#." dependency
       ["#/." resolution]]]]]})

(def: #export test
  Test
  (<| (_.covering /._)
      (do {! random.monad}
        [program (random.ascii/alpha 5)
         target (random.ascii/alpha 5)
         home (random.ascii/alpha 5)
         working_directory (random.ascii/alpha 5)
         #let [empty_profile (: Profile
                                (\ ///.monoid identity))
               with_target (: (-> Profile Profile)
                              (set@ #///.target (#.Some target)))
               with_program (: (-> Profile Profile)
                               (set@ #///.program (#.Some program)))
               
               profile (|> empty_profile
                           with_program
                           with_target)]
         resolution @build.resolution]
        ($_ _.and
            (let [fs (file.mock (\ file.default separator))
                  console (@version.echo "")]
              (wrap (do promise.monad
                      [verdict (do ///action.monad
                                 [_ (/.do! console (program.async (program.mock environment.empty home working_directory)) fs (@build.good_shell []) resolution profile)
                                  build_start (!.use (\ console read_line) [])
                                  build_end (!.use (\ console read_line) [])
                                  test_start (!.use (\ console read_line) [])
                                  test_end (!.use (\ console read_line) [])]
                                 (wrap (and (and (text\= //build.start build_start)
                                                 (text\= //build.success build_end))
                                            (and (text\= /.start test_start)
                                                 (text\= /.success test_end)))))]
                      (_.cover' [/.do!
                                 /.start /.success]
                                (try.default false verdict)))))
            (let [fs (file.mock (\ file.default separator))
                  console (@version.echo "")]
              (wrap (do promise.monad
                      [verdict (do ///action.monad
                                 [#let [bad_shell (shell.mock
                                                   (function (_ [actual_environment actual_working_directory actual_command actual_arguments])
                                                     (#try.Success
                                                      (: (shell.Simulation [])
                                                         (structure
                                                          (def: (on_read state)
                                                            (#try.Failure "on_read"))
                                                          (def: (on_error state)
                                                            (#try.Failure "on_error"))
                                                          (def: (on_write input state)
                                                            (#try.Failure "on_write"))
                                                          (def: (on_destroy state)
                                                            (#try.Failure "on_destroy"))
                                                          (def: (on_await state)
                                                            (#try.Success [state (if (text.ends_with? " build" actual_command)
                                                                                   shell.normal
                                                                                   shell.error)]))))))
                                                   [])]
                                  _ (/.do! console (program.async (program.mock environment.empty home working_directory)) fs bad_shell resolution profile)
                                  build_start (!.use (\ console read_line) [])
                                  build_end (!.use (\ console read_line) [])
                                  test_start (!.use (\ console read_line) [])
                                  test_end (!.use (\ console read_line) [])]
                                 (wrap (and (and (text\= //build.start build_start)
                                                 (text\= //build.success build_end))
                                            (and (text\= /.start test_start)
                                                 (text\= /.failure test_end)))))]
                      (_.cover' [/.failure]
                                (try.default false verdict)))))
            ))))