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|
(.module:
[library
[lux "*"
["_" test {"+" [Test]}]
[abstract
[monad {"+" [do]}]
[\\specification
["$." functor {"+" [Injection Comparison]}]
["$." apply]
["$." monad]]]
[control
["." try]
["." exception]
["." io {"+" [IO io]}]]
[data
[collection
["." list ("#\." mix monoid)]
["." row {"+" [Row]}]]]
[math
["." random]
[number
["n" nat]]]]]
[\\library
["." /
[//
["." async {"+" [Async]} ("#\." monad)]
["." atom {"+" [Atom atom]}]]]])
(def: injection
(Injection /.Channel)
(|>> async.resolved
/.of_async))
(def: comparison
(Comparison /.Channel)
(function (_ == left right)
(io.run!
(do io.monad
[?left (async.value left)
?right (async.value right)]
(in (case [?left ?right]
[(#.Some (#.Some [left _]))
(#.Some (#.Some [right _]))]
(== left right)
_
false))))))
(def: (take_amount amount_of_polls [channel sink])
(All (_ a) (-> Nat [(/.Channel a) (/.Sink a)] (Async (List a))))
(case amount_of_polls
0 (do async.monad
[_ (async.future (\ sink close))]
(in #.End))
_ (do [! async.monad]
[event channel]
(case event
#.None
(in #.End)
(#.Some [head tail])
(\ ! each (|>> (#.Item head))
(take_amount (-- amount_of_polls) [channel sink]))))))
(def: .public test
Test
(<| (_.covering /._)
(let [(^open "list\.") (list.equivalence n.equivalence)]
(do [! random.monad]
[inputs (random.list 5 random.nat)
sample random.nat
distint/0 random.nat
distint/1 (|> random.nat (random.only (|>> (n.= distint/0) not)))
distint/2 (|> random.nat (random.only (function (_ value)
(not (or (n.= distint/0 value)
(n.= distint/1 value))))))
shift random.nat]
($_ _.and
(_.for [/.functor]
($functor.spec ..injection ..comparison /.functor))
(_.for [/.apply]
($apply.spec ..injection ..comparison /.apply))
(_.for [/.monad]
($monad.spec ..injection ..comparison /.monad))
(_.cover [/.Channel /.Sink /.channel]
(case (io.run!
(do (try.with io.monad)
[.let [[channel sink] (/.channel [])]
_ (\ sink feed sample)
_ (\ sink close)]
(in channel)))
(#try.Success channel)
(io.run!
(do io.monad
[?actual (async.value channel)]
(in (case ?actual
(#.Some (#.Some [actual _]))
(n.= sample actual)
_
false))))
(#try.Failure error)
false))
(_.cover [/.channel_is_already_closed]
(case (io.run!
(do (try.with io.monad)
[.let [[channel sink] (/.channel [])]
_ (\ sink close)]
(\ sink feed sample)))
(#try.Success _)
false
(#try.Failure error)
(exception.match? /.channel_is_already_closed error)))
(in (do async.monad
[output (|> sample
async.resolved
/.of_async
/.list)]
(_.cover' [/.of_async /.list]
(list\= (list sample)
output))))
(in (do async.monad
[output (|> inputs
(/.sequential 0)
/.list)]
(_.cover' [/.sequential]
(list\= inputs
output))))
(in (do async.monad
[output (|> inputs
(/.sequential 0)
(/.only n.even?)
/.list)]
(_.cover' [/.only]
(list\= (list.only n.even? inputs)
output))))
(in (do [! async.monad]
[.let [[?signal !signal] (: [(async.Async Any) (async.Resolver Any)]
(async.async []))
sink (: (Atom (Row Nat))
(atom.atom row.empty))]
_ (async.future (/.subscribe! (function (_ value)
(do [! io.monad]
[current (atom.read! sink)
_ (atom.update! (row.suffix value) sink)]
(if (n.< (list.size inputs)
(++ (row.size current)))
(in (#.Some []))
(do !
[_ (!signal [])]
(in #.None)))))
(/.sequential 0 (list\composite inputs inputs))))
_ ?signal
listened (|> sink
atom.read!
async.future
(\ ! each row.list))]
(_.cover' [/.Subscriber /.subscribe!]
(list\= inputs listened))))
(in (do async.monad
[actual (/.mix (function (_ input total)
(async.resolved (n.+ input total)))
0
(/.sequential 0 inputs))]
(_.cover' [/.mix]
(n.= (list\mix n.+ 0 inputs)
actual))))
(in (do async.monad
[actual (|> inputs
(/.sequential 0)
(/.mixes (function (_ input total)
(async.resolved (n.+ input total)))
0)
/.list)]
(_.cover' [/.mixes]
(list\= (list.mixes n.+ 0 inputs)
actual))))
(in (do async.monad
[actual (|> (list distint/0 distint/0 distint/0
distint/1
distint/2 distint/2)
(/.sequential 0)
(/.distinct n.equivalence)
/.list)]
(_.cover' [/.distinct]
(list\= (list distint/0 distint/1 distint/2)
actual))))
(do !
[polling_delay (\ ! each (|>> (n.% 10) ++) random.nat)
amount_of_polls (\ ! each (|>> (n.% 10) ++) random.nat)]
($_ _.and
(in (do [! async.monad]
[actual (..take_amount amount_of_polls (/.poll polling_delay (: (IO Nat) (io.io sample))))
.let [correct_values!
(list.every? (n.= sample) actual)
enough_polls!
(n.= amount_of_polls (list.size actual))]]
(_.cover' [/.poll]
(and correct_values!
enough_polls!))))
(in (do [! async.monad]
[actual (..take_amount amount_of_polls (/.periodic polling_delay))]
(_.cover' [/.periodic]
(n.= amount_of_polls (list.size actual)))))))
(in (do async.monad
[.let [max_iterations 10]
actual (|> [0 sample]
(/.iterations (function (_ [iterations current])
(async.resolved
(if (n.< max_iterations iterations)
(#.Some [[(++ iterations) (n.+ shift current)]
current])
#.None))))
/.list)]
(_.cover' [/.iterations]
(and (n.= max_iterations (list.size actual))
(list\= (list.mixes n.+ sample (list.repeated (-- max_iterations) shift))
actual)))))
)))))
|
