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