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|
(.module:
[lux #*
["_" test (#+ Test)]
[abstract
[monad (#+ do)]
{[0 #spec]
[/
["$." equivalence]
["$." monoid]
["$." functor]
["$." apply]
["$." monad]]}]
[control
["." io ("#\." monad)]
pipe]
[data
["." text]
[number
["n" nat]]
[collection
["." list]]]
[math
["." random (#+ Random)]]]
{1
["." / ("#\." monoid monad)]})
(def: #export test
Test
(<| (_.covering /._)
(_.with-cover [.Maybe]
($_ _.and
(_.with-cover [/.equivalence]
($equivalence.spec (/.equivalence n.equivalence) (random.maybe random.nat)))
(_.with-cover [/.monoid]
($monoid.spec (/.equivalence n.equivalence) /.monoid (random.maybe random.nat)))
(_.with-cover [/.functor]
($functor.spec /\wrap /.equivalence /.functor))
(_.with-cover [/.apply]
($apply.spec /\wrap /.equivalence /.apply))
(_.with-cover [/.monad]
($monad.spec /\wrap /.equivalence /.monad))
(do random.monad
[left random.nat
right random.nat
#let [expected (n.+ left right)]]
(let [lift (/.lift io.monad)]
(_.cover [/.with /.lift]
(|> (io.run (do (/.with io.monad)
[a (lift (io\wrap left))
b (wrap right)]
(wrap (n.+ a b))))
(case> (#.Some actual)
(n.= expected actual)
_
false)))))
(do random.monad
[default random.nat
value random.nat]
(_.cover [/.default]
(and (is? default (/.default default
#.None))
(is? value (/.default default
(#.Some value))))))
(do random.monad
[value random.nat]
(_.cover [/.assume]
(is? value (/.assume (#.Some value)))))
(do random.monad
[value random.nat]
(_.cover [/.to-list]
(\ (list.equivalence n.equivalence) =
(list value)
(/.to-list (#.Some value)))))
))))
|
