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|
(.require
[library
[lux (.except)
[abstract
["[0]" monad (.only do)
["[1]T" \\test]]
["[0]" functor
["[1]T" \\test (.only Injection)]]
["[0]" apply
["[1]T" \\test]]
["[0]" monoid
["[1]T" \\test]]
["[0]" mix
["[1]T" \\test]]
["[0]" equivalence
["[1]T" \\test]]]
[control
["[0]" try (.only Try)]
["[0]" exception]]
[data
["[0]" bit (.use "[1]#[0]" equivalence)]
["[0]" text (.use "[1]#[0]" equivalence)]
[collection
["[0]" list (.use "[1]#[0]" mix)]
["[0]" set]]]
[math
["[0]" random]
[number
["n" nat]]]
[test
["_" property (.only Test)]]]]
[\\library
["[0]" / (.use "[1]#[0]" monad)]])
(def signatures
Test
(do [! random.monad]
[size (of ! each (n.% 100) random.nat)]
(all _.and
(_.for [/.equivalence]
(equivalenceT.spec (/.equivalence n.equivalence) (random.sequence size random.nat)))
(_.for [/.monoid]
(monoidT.spec (/.equivalence n.equivalence) /.monoid (random.sequence size random.nat)))
(_.for [/.mix]
(mixT.spec /#in /.equivalence /.mix))
(_.for [/.functor]
(functorT.spec /#in /.equivalence /.functor))
(_.for [/.apply]
(applyT.spec /#in /.equivalence /.apply))
(_.for [/.monad]
(monadT.spec /#in /.equivalence /.monad))
)))
(def whole
Test
(do [! random.monad]
[size (of ! each (n.% 100) random.nat)
sample (random.set n.hash size random.nat)
.let [sample (|> sample set.list /.of_list)]
.let [(open "/#[0]") (/.equivalence n.equivalence)]]
(all _.and
(_.coverage [/.size]
(n.= size (/.size sample)))
(_.coverage [/.empty?]
(bit#= (/.empty? sample) (n.= 0 (/.size sample))))
(_.coverage [/.empty]
(/.empty? /.empty))
(_.coverage [/.list /.of_list]
(|> sample /.list /.of_list (/#= sample)))
(_.coverage [/.reversed]
(or (n.< 2 (/.size sample))
(let [not_same!
(not (/#= sample
(/.reversed sample)))
self_symmetry!
(/#= sample
(/.reversed (/.reversed sample)))]
(and not_same!
self_symmetry!))))
(_.coverage [/.every? /.any?]
(if (/.every? n.even? sample)
(not (/.any? (bit.complement n.even?) sample))
(/.any? (bit.complement n.even?) sample)))
)))
(def index_based
Test
(do [! random.monad]
[size (of ! each (|>> (n.% 100) ++) random.nat)]
(all _.and
(do !
[good_index (|> random.nat (of ! each (n.% size)))
.let [bad_index (n.+ size good_index)]
sample (random.set n.hash size random.nat)
non_member (random.only (|>> (set.member? sample) not)
random.nat)
.let [sample (|> sample set.list /.of_list)]]
(all _.and
(_.coverage [/.item]
(when (/.item good_index sample)
{try.#Success member}
(/.member? n.equivalence sample member)
{try.#Failure error}
false))
(_.coverage [/.has]
(<| (try.else false)
(do try.monad
[sample (/.has good_index non_member sample)
actual (/.item good_index sample)]
(in (same? non_member actual)))))
(_.coverage [/.revised]
(<| (try.else false)
(do try.monad
[sample (/.has good_index non_member sample)
sample (/.revised good_index ++ sample)
actual (/.item good_index sample)]
(in (n.= (++ non_member) actual)))))
(_.coverage [/.within_bounds?]
(and (/.within_bounds? sample good_index)
(not (/.within_bounds? sample bad_index))))
(_.coverage [/.index_out_of_bounds]
(let [fails! (is (All (_ a) (-> (Try a) Bit))
(function (_ situation)
(when situation
{try.#Success member}
false
{try.#Failure error}
(exception.match? /.index_out_of_bounds error))))]
(and (fails! (/.item bad_index sample))
(fails! (/.has bad_index non_member sample))
(fails! (/.revised bad_index ++ sample)))))
))
)))
(def .public test
Test
(<| (_.covering /._)
(_.for [/.Sequence
/.#level /.#size /.#root /.#tail])
(do [! random.monad]
[size (of ! each (|>> (n.% 100) ++) random.nat)]
(all _.and
..signatures
..whole
..index_based
(do !
[sample (random.set n.hash size random.nat)
non_member (random.only (|>> (set.member? sample) not)
random.nat)
.let [sample (|> sample set.list /.of_list)]
.let [(open "/#[0]") (/.equivalence n.equivalence)]]
(all _.and
(do !
[value/0 random.nat
value/1 random.nat
value/2 random.nat]
(_.coverage [/.sequence]
(/#= (/.of_list (list value/0 value/1 value/2))
(/.sequence value/0 value/1 value/2))))
(_.coverage [/.member?]
(and (list.every? (/.member? n.equivalence sample)
(/.list sample))
(not (/.member? n.equivalence sample non_member))))
(_.coverage [/.suffix]
(let [added (/.suffix non_member sample)
size_increases!
(n.= (++ (/.size sample))
(/.size added))
is_a_member!
(/.member? n.equivalence added non_member)]
(and size_increases!
is_a_member!)))
(_.coverage [/.prefix]
(if (/.empty? sample)
(/.empty? (/.prefix sample))
(let [expected_size!
(n.= (-- (/.size sample))
(/.size (/.prefix sample)))
symmetry!
(|> sample
(/.suffix non_member)
/.prefix
(/#= sample))]
(and expected_size!
symmetry!))))
(_.coverage [/.only]
(let [positives (/.only n.even? sample)
negatives (/.only (bit.complement n.even?) sample)]
(and (/.every? n.even? positives)
(not (/.any? n.even? negatives))
(n.= (/.size sample)
(n.+ (/.size positives)
(/.size negatives))))))
(_.coverage [/.all]
(let [positives (/.all (function (_ it)
(if (n.even? it)
{.#Some it}
{.#None}))
sample)
negatives (/.all (function (_ it)
(if (not (n.even? it))
{.#Some it}
{.#None}))
sample)]
(and (/.every? n.even? positives)
(not (/.any? n.even? negatives))
(n.= (/.size sample)
(n.+ (/.size positives)
(/.size negatives))))))
(_.coverage [/.one]
(let [(open "/#[0]") /.functor
choice (is (-> Nat (Maybe Text))
(function (_ value)
(if (n.even? value)
{.#Some (of n.decimal encoded value)}
{.#None})))]
(when [(|> sample
(/.only n.even?)
(/#each (of n.decimal encoded))
(/.item 0))
(/.one choice sample)]
[{try.#Success expected} {.#Some actual}]
(text#= expected actual)
[{try.#Failure _} {.#None}]
true
_
false)))
))
))))
|
