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|
(.require
[library
[lux (.except)
["_" test (.only Test)]
[abstract
["[0]" monad (.only do)]
[\\specification
["$[0]" equivalence]
["$[0]" mix]
["$[0]" functor]]]
[control
["//" parser]
["[0]" try]
["[0]" exception]]
[data
["[0]" product]
[collection
["[0]" list (.use "[1]#[0]" functor mix)]]]
[math
["[0]" random (.only Random)]
[number
["n" nat]]]
[meta
[macro
["^" pattern]]]]]
["[0]" \\parser]
[\\library
["[0]" / (.only Tree)
["[0]" zipper]]])
(def !expect
(template (_ <pattern> <value>)
[(case <value>
<pattern>
true
_
false)]))
(def !cover
(template (_ <coverage> <parser> <sample>)
[(do [! random.monad]
[dummy random.nat
expected (|> random.nat (random.only (|>> (n.= dummy) not)))]
(_.coverage <coverage>
(|> (\\parser.result <parser>
<sample>)
(!expect (^.multi {try.#Success actual}
(n.= expected actual))))))]))
(def !cover/2
(template (_ <coverage> <parser> <sample0> <sample1>)
[(do [! random.monad]
[dummy random.nat
expected (|> random.nat (random.only (|>> (n.= dummy) not)))]
(_.coverage <coverage>
(and (|> (\\parser.result <parser> <sample0>)
(!expect (^.multi {try.#Success actual}
(n.= expected actual))))
(|> (\\parser.result <parser> <sample1>)
(!expect (^.multi {try.#Success actual}
(n.= expected actual)))))))]))
(def \\parser
Test
(<| (_.covering \\parser._)
(_.for [\\parser.Parser])
(all _.and
(!cover [\\parser.result \\parser.value]
\\parser.value
(/.leaf expected))
(do [! random.monad]
[expected random.nat]
(_.coverage [\\parser.result']
(|> (\\parser.result' \\parser.value
(zipper.zipper (/.leaf expected)))
(!expect (^.multi {try.#Success actual}
(n.= expected actual))))))
(!cover [\\parser.down]
(do //.monad
[_ \\parser.down]
\\parser.value)
(/.branch dummy
(list (/.leaf expected))))
(!cover [\\parser.up]
(do //.monad
[_ \\parser.down
_ \\parser.up]
\\parser.value)
(/.branch expected
(list (/.leaf dummy))))
(!cover [\\parser.right]
(do //.monad
[_ \\parser.down
_ \\parser.right]
\\parser.value)
(/.branch dummy
(list (/.leaf dummy)
(/.leaf expected))))
(!cover [\\parser.left]
(do //.monad
[_ \\parser.down
_ \\parser.right
_ \\parser.left]
\\parser.value)
(/.branch dummy
(list (/.leaf expected)
(/.leaf dummy))))
(!cover [\\parser.rightmost]
(do //.monad
[_ \\parser.down
_ \\parser.rightmost]
\\parser.value)
(/.branch dummy
(list (/.leaf dummy)
(/.leaf dummy)
(/.leaf expected))))
(!cover [\\parser.leftmost]
(do //.monad
[_ \\parser.down
_ \\parser.rightmost
_ \\parser.leftmost]
\\parser.value)
(/.branch dummy
(list (/.leaf expected)
(/.leaf dummy)
(/.leaf dummy))))
(!cover/2 [\\parser.next]
(do //.monad
[_ \\parser.next
_ \\parser.next]
\\parser.value)
(/.branch dummy
(list (/.branch dummy
(list (/.leaf expected)))))
(/.branch dummy
(list (/.leaf dummy)
(/.leaf expected))))
(!cover/2 [\\parser.previous]
(do //.monad
[_ \\parser.next
_ \\parser.next
_ \\parser.previous]
\\parser.value)
(/.branch dummy
(list (/.branch expected
(list (/.leaf dummy)))))
(/.branch dummy
(list (/.leaf expected)
(/.leaf dummy))))
(!cover/2 [\\parser.end]
(do //.monad
[_ \\parser.end]
\\parser.value)
(/.branch dummy
(list (/.branch dummy
(list (/.leaf expected)))))
(/.branch dummy
(list (/.leaf dummy)
(/.leaf expected))))
(!cover/2 [\\parser.start]
(do //.monad
[_ \\parser.end
_ \\parser.start]
\\parser.value)
(/.branch expected
(list (/.branch dummy
(list (/.leaf dummy)))))
(/.branch expected
(list (/.leaf dummy)
(/.leaf dummy))))
(do [! random.monad]
[dummy random.nat]
(_.coverage [\\parser.cannot_move_further]
(`` (and (,, (with_template [<parser>]
[(|> (\\parser.result <parser>
(/.leaf dummy))
(!expect (^.multi {try.#Failure error}
(exception.match? \\parser.cannot_move_further error))))]
[\\parser.down] [\\parser.up]
[\\parser.right] [\\parser.left]
[\\parser.next] [\\parser.previous]
))))))
)))
(def .public (tree gen_value)
(All (_ a) (-> (Random a) (Random [Nat (Tree a)])))
(do [! random.monad]
[value gen_value
num_children (at ! each (n.% 2) random.nat)
children (random.list num_children (tree gen_value))]
(in [(|> children
(list#each product.left)
(list#mix n.+ 1))
[/.#value value
/.#children (list#each product.right children)]])))
(def .public test
Test
(<| (_.covering /._)
(_.for [/.Tree])
(all _.and
(_.for [/.equivalence]
(|> (..tree random.nat)
(at random.monad each product.right)
($equivalence.spec (/.equivalence n.equivalence))))
(_.for [/.mix]
($mix.spec /.leaf /.equivalence /.mix))
(_.for [/.functor]
($functor.spec /.leaf /.equivalence /.functor))
(do random.monad
[[size sample] (..tree random.nat)]
(_.coverage [/.flat]
(n.= size
(list.size (/.flat sample)))))
(do random.monad
[expected random.nat]
(_.coverage [/.leaf]
(at (list.equivalence n.equivalence) =
(list expected)
(/.flat (/.leaf expected)))))
(do [! random.monad]
[value random.nat
num_children (at ! each (n.% 3) random.nat)
children (random.list num_children random.nat)]
(_.coverage [/.branch]
(at (list.equivalence n.equivalence) =
(list.partial value children)
(/.flat (/.branch value (list#each /.leaf children))))))
(do random.monad
[expected/0 random.nat
expected/1 random.nat
expected/2 random.nat
expected/3 random.nat
expected/4 random.nat
expected/5 random.nat]
(_.coverage [/.tree]
(and (at (list.equivalence n.equivalence) =
(list expected/0)
(/.flat (/.tree expected/0)))
(at (list.equivalence n.equivalence) =
(list expected/0 expected/1 expected/2)
(/.flat (/.tree expected/0
{expected/1 {}
expected/2 {}})))
(at (list.equivalence n.equivalence) =
(list expected/0 expected/1 expected/2
expected/3 expected/4 expected/5)
(/.flat (/.tree expected/0
{expected/1 {}
expected/2 {expected/3 {}
expected/4 {expected/5 {}}}})))
)))
..\\parser
)))
|
