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|
(.module:
[lux #*
["_" test (#+ Test)]
[abstract
[monad (#+ do)]
{[0 #spec]
[/
["$." functor (#+ Injection Comparison)]
["$." apply]
["$." monad]]}]
[control
[pipe (#+ case>)]
["." io]]
[data
[number
["n" nat]
["i" int]]]
[time
["." instant]
["." duration]]
[math
["." random]]]
{1
["." /
[//
["." atom (#+ Atom)]]]})
(def: injection
(Injection /.Promise)
/.resolved)
(def: comparison
(Comparison /.Promise)
(function (_ == left right)
(io.run
(do io.monad
[?left (/.poll left)
?right (/.poll right)]
(wrap (case [?left ?right]
[(#.Some left)
(#.Some right)]
(== left right)
_
false))))))
(def: #export test
Test
(<| (_.covering /._)
(do {! random.monad}
[to-wait (|> random.nat (\ ! map (|>> (n.% 100) (n.max 10))))
expected random.nat
dummy random.nat
#let [not-dummy (|> random.nat (random.filter (|>> (n.= dummy) not)))]
leftE not-dummy
rightE not-dummy]
($_ _.and
(_.for [/.functor]
($functor.spec ..injection ..comparison /.functor))
(_.for [/.apply]
($apply.spec ..injection ..comparison /.apply))
(_.for [/.monad]
($monad.spec ..injection ..comparison /.monad))
(wrap (do /.monad
[#let [[promise resolver] (: [(/.Promise Nat) (/.Resolver Nat)]
(/.promise []))]
resolved? (/.future (resolver expected))
actual promise]
(_.cover' [/.Promise /.Resolver /.promise]
(and resolved?
(n.= expected actual)))))
(wrap (do /.monad
[actual (/.resolved expected)]
(_.cover' [/.resolved]
(n.= expected actual))))
(wrap (do /.monad
[actual (/.future (io.io expected))]
(_.cover' [/.future]
(n.= expected actual))))
(wrap (do /.monad
[pre (/.future instant.now)
actual (/.schedule to-wait (io.io expected))
post (/.future instant.now)]
(_.cover' [/.schedule]
(and (n.= expected actual)
(i.>= (.int to-wait)
(duration.to-millis (instant.span pre post)))))))
(wrap (do /.monad
[pre (/.future instant.now)
_ (/.wait to-wait)
post (/.future instant.now)]
(_.cover' [/.wait]
(i.>= (.int to-wait)
(duration.to-millis (instant.span pre post))))))
(wrap (do /.monad
[[leftA rightA] (/.and (/.future (io.io leftE))
(/.future (io.io rightE)))]
(_.cover' [/.and]
(n.= (n.+ leftE rightE)
(n.+ leftA rightA)))))
(wrap (do /.monad
[pre (/.future instant.now)
actual (/.delay to-wait expected)
post (/.future instant.now)]
(_.cover' [/.delay]
(and (n.= expected actual)
(i.>= (.int to-wait)
(duration.to-millis (instant.span pre post)))))))
(wrap (do /.monad
[?left (/.or (/.delay 100 leftE)
(/.delay 200 dummy))
?right (/.or (/.delay 200 dummy)
(/.delay 100 rightE))]
(_.cover' [/.or]
(case [?left ?right]
[(#.Left leftA) (#.Right rightA)]
(n.= (n.+ leftE rightE)
(n.+ leftA rightA))
_
false))))
(wrap (do /.monad
[leftA (/.either (/.delay 100 leftE)
(/.delay 200 dummy))
rightA (/.either (/.delay 200 dummy)
(/.delay 100 rightE))]
(_.cover' [/.either]
(n.= (n.+ leftE rightE)
(n.+ leftA rightA)))))
(wrap (do /.monad
[?actual (/.future (/.poll (/.resolved expected)))
#let [[promise resolver] (: [(/.Promise Nat) (/.Resolver Nat)]
(/.promise []))]
?never (/.future (/.poll promise))]
(_.cover' [/.poll]
(case [?actual ?never]
[(#.Some actual) #.None]
(n.= expected actual)
_
false))))
(wrap (do /.monad
[yep (/.future (/.resolved? (/.resolved expected)))
#let [[promise resolver] (: [(/.Promise Nat) (/.Resolver Nat)]
(/.promise []))]
nope (/.future (/.resolved? promise))]
(_.cover' [/.resolved?]
(and yep
(not nope)))))
(wrap (do /.monad
[?none (/.time-out 0 (/.delay to-wait dummy))
?actual (/.time-out to-wait (wrap expected))]
(_.cover' [/.time-out]
(case [?none ?actual]
[#.None (#.Some actual)]
(n.= expected actual)
_
false))))
(wrap (do /.monad
[#let [box (: (Atom Nat)
(atom.atom dummy))]
_ (/.future (/.await (function (_ value)
(atom.write value box))
(/.resolved expected)))
actual (/.future (atom.read box))]
(_.cover' [/.await]
(n.= expected actual))))
))))
|
