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|
(.using
[library
[lux "*"
["_" test (.only Test)]
[abstract
[monad (.only do)]
[\\specification
["$[0]" equivalence]]]
[control
["[0]" try (.only Try)]]
[data
["[0]" product]
["[0]" text]
[collection
["[0]" list ("[1]#[0]" functor)]]]
[math
["[0]" random (.only Random) ("[1]#[0]" monad)]
[number
["n" nat]]]
[meta
["[0]" location]]
[tool
[compiler
[language
[lux
["[0]" syntax]]]]]]]
[\\library
["[0]" /]])
(def: random_text
(Random Text)
(random.alphabetic 10))
(def: random_symbol
(Random Symbol)
(random.and ..random_text ..random_text))
(def: (random_sequence random)
(All (_ a) (-> (Random a) (Random (List a))))
(do [! random.monad]
[size (|> random.nat (# ! each (n.% 3)))]
(random.list size random)))
(def: .public random
(Random Code)
(random.rec
(function (_ random)
(all random.either
(random#each /.bit random.bit)
(random#each /.nat random.nat)
(random#each /.int random.int)
(random#each /.rev random.rev)
(random#each /.frac random.safe_frac)
(random#each /.text ..random_text)
(random#each /.symbol ..random_symbol)
(random#each /.form (..random_sequence random))
(random#each /.variant (..random_sequence random))
(random#each /.tuple (..random_sequence random))
))))
(def: (read source_code)
(-> Text (Try Code))
(let [parse (syntax.parse ""
syntax.no_aliases
(text.size source_code))
start (is Source
[location.dummy 0 source_code])]
(case (parse start)
{.#Left [end error]}
{try.#Failure error}
{.#Right [end lux_code]}
{try.#Success lux_code})))
(def: (replacement_simulation [original substitute])
(-> [Code Code] (Random [Code Code]))
(random.rec
(function (_ replacement_simulation)
(let [for_sequence (is (-> (-> (List Code) Code) (Random [Code Code]))
(function (_ to_code)
(random.only (|>> product.left (# /.equivalence = original) not)
(do [! random.monad]
[parts (..random_sequence replacement_simulation)]
(in [(to_code (list#each product.left parts))
(to_code (list#each product.right parts))])))))]
(all random.either
(random#in [original substitute])
(do [! random.monad]
[sample (random.only (|>> (# /.equivalence = original) not)
(all random.either
(random#each /.bit random.bit)
(random#each /.nat random.nat)
(random#each /.int random.int)
(random#each /.rev random.rev)
(random#each /.frac random.safe_frac)
(random#each /.text ..random_text)
(random#each /.symbol ..random_symbol)))]
(in [sample sample]))
(for_sequence /.form)
(for_sequence /.variant)
(for_sequence /.tuple)
)))))
(def: for_format
Test
(`` (all _.and
(~~ (template [<coverage> <random> <tag>]
[(do [! random.monad]
[expected <random>]
(_.coverage [<coverage>]
(and (case (..read (/.format (<coverage> expected)))
{try.#Success actual}
(# /.equivalence =
actual
(<coverage> expected))
{try.#Failure error}
false)
(# /.equivalence =
[location.dummy {<tag> expected}]
(<coverage> expected)))))]
[/.bit random.bit .#Bit]
[/.nat random.nat .#Nat]
[/.int random.int .#Int]
[/.rev random.rev .#Rev]
[/.frac random.safe_frac .#Frac]
[/.text ..random_text .#Text]
[/.symbol ..random_symbol .#Symbol]
[/.form (..random_sequence ..random) .#Form]
[/.variant (..random_sequence ..random) .#Variant]
[/.tuple (..random_sequence ..random) .#Tuple]))
(~~ (template [<coverage> <random> <tag>]
[(do [! random.monad]
[expected <random>]
(_.coverage [<coverage>]
(and (case (..read (/.format (<coverage> expected)))
{try.#Success actual}
(# /.equivalence =
actual
(<coverage> expected))
{try.#Failure error}
false)
(# /.equivalence =
[location.dummy {<tag> ["" expected]}]
(<coverage> expected)))
))]
[/.local ..random_text .#Symbol]
)))))
(def: .public test
Test
(<| (_.covering /._)
(all _.and
(_.for [/.equivalence]
($equivalence.spec /.equivalence ..random))
(_.for [/.format]
..for_format)
(do [! random.monad]
[[original substitute] (random.only (function (_ [original substitute])
(not (# /.equivalence = original substitute)))
(random.and ..random ..random))
[sample expected] (random.only (function (_ [sample expected])
(not (# /.equivalence = sample expected)))
(..replacement_simulation [original substitute]))]
(_.coverage [/.replaced]
(# /.equivalence =
expected
(/.replaced original substitute sample))))
)))
|
