(.using
 [library
  [lux "*"
   ["_" test (.only Test)]
   [abstract
    [monad (.only do)]
    [\\specification
     ["$[0]" equivalence]]]
   [control
    ["[0]" try ("[1]#[0]" functor)]
    [parser
     ["<[0]>" xml]]]
   [math
    ["[0]" random (.only Random)]]]]
 [\\program
  ["[0]" /]]
 ["$[0]" // "_"
  ["[1][0]" time]
  ["[1][0]" snapshot
   ["[1]/[0]" version]]])

(def: .public random
  (Random /.Versioning)
  (all random.and
       $//snapshot.random
       $//time.random
       (random.list 5 $//snapshot/version.random)
       ))

(def: .public test
  Test
  (<| (_.covering /._)
      (_.for [/.Versioning])
      (all _.and
           (_.for [/.equivalence]
                  ($equivalence.spec /.equivalence ..random))
           
           (do random.monad
             [expected ..random]
             (_.coverage [/.format /.parser]
               (|> expected
                   /.format
                   list
                   (<xml>.result /.parser)
                   (try#each (# /.equivalence = expected))
                   (try.else false))))
           (_.coverage [/.init]
             (|> /.init
                 /.format
                 list
                 (<xml>.result /.parser)
                 (try#each (# /.equivalence = /.init))
                 (try.else false)))
           )))