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(.module:
[library
[lux #*
["_" test (#+ Test)]
["@" target]
[abstract
[monad (#+ do)]]
[control
["." try ("#\." functor)]
["." exception]
[parser
["<.>" code]]]
[data
["." text ("#\." equivalence)
["%" format (#+ format)]]
[collection
["." list ("#\." functor)]]
[format
[json (#+ JSON)]
[xml (#+ XML)]]]
["." macro
[syntax (#+ syntax:)]
["." code]]
[math
["." random (#+ Random)]
[number
[ratio (#+ Ratio)]]]
[time (#+ Time)
[instant (#+ Instant)]
[date (#+ Date)]
[duration (#+ Duration)]
[month (#+ Month)]
[day (#+ Day)]]]]
[\\library
["." /]]
["$." // #_
["#." type]
[data
["#." name]
[format
["#." json]
["#." xml]]]
[macro
["#." code]]
[math
[number
["#." ratio]]]
[meta
["#." location]]])
(def: can_represent_simple_types
(Random Bit)
(do random.monad
[sample_bit random.bit
sample_int random.int
sample_frac random.frac
sample_text (random.ascii/upper 10)
sample_nat random.nat
sample_rev random.rev]
(in (`` (and (~~ (template [<type> <format> <sample>]
[(|> (/.representation <type> <sample>)
(try\map (text\= (<format> <sample>)))
(try.else false))]
[Bit %.bit sample_bit]
[Nat %.nat sample_nat]
[Int %.int sample_int]
[Rev %.rev sample_rev]
[Frac %.frac sample_frac]
[Text %.text sample_text]))
)))))
(def: can_represent_structure_types
(Random Bit)
(do random.monad
[sample_bit random.bit
sample_int random.int
sample_frac random.frac]
(in (`` (and (case (/.representation (type [Bit Int Frac])
[sample_bit sample_int sample_frac])
(#try.Success actual)
(text\= (format "[" (%.bit sample_bit)
" " (%.int sample_int)
" " (%.frac sample_frac)
"]")
actual)
(#try.Failure error)
false)
... TODO: Uncomment after switching from the old (tag+last?) to the new (lefts+right?) representation for variants
... (~~ (template [<lefts> <right?> <value> <format>]
... [(|> (/.representation (type (Or Bit Int Frac))
... (: (Or Bit Int Frac)
... (<lefts> <right?> <value>)))
... (try\map (text\= (format "(" (%.nat <lefts>)
... " " (%.bit <right?>)
... " " (<format> <value>) ")")))
... (try.else false))]
... [0 #0 sample_bit %.bit]
... [1 #0 sample_int %.int]
... [1 #1 sample_frac %.frac]
... ))
)))))
(def: can_represent_complex_types
(Random Bit)
(do random.monad
[sample_ratio $//ratio.random
sample_name ($//name.random 5 5)
sample_location $//location.random
sample_type ($//type.random 0)
sample_code $//code.random
sample_xml $//xml.random
sample_json $//json.random]
(in (`` (and (~~ (template [<type> <format> <sample>]
[(|> (/.representation <type> <sample>)
(try\map (text\= (<format> <sample>)))
(try.else false))]
[Ratio %.ratio sample_ratio]
[Name %.name sample_name]
[Location %.location sample_location]
[Code %.code sample_code]
[Type %.type sample_type]
[XML %.xml sample_xml]
[JSON %.json sample_json]))
)))))
(def: can_represent_time_types
(Random Bit)
(do random.monad
[sample_instant random.instant
sample_duration random.duration
sample_date random.date
sample_month random.month
sample_time random.time
sample_day random.day]
(in (`` (and (~~ (template [<type> <format> <sample>]
[(|> (/.representation <type> <sample>)
(try\map (text\= (<format> <sample>)))
(try.else false))]
[Instant %.instant sample_instant]
[Duration %.duration sample_duration]
[Date %.date sample_date]
[Month %.month sample_month]
[Time %.time sample_time]
[Day %.day sample_day]))
)))))
(def: representation
Test
(do random.monad
[sample_bit random.bit
sample_nat random.nat
sample_int random.int
sample_frac random.frac
can_represent_simple_types! ..can_represent_simple_types
can_represent_structure_types! ..can_represent_structure_types
can_represent_complex_types! ..can_represent_complex_types
can_represent_time_types! ..can_represent_time_types]
($_ _.and
(_.cover [/.representation]
(`` (and can_represent_simple_types!
can_represent_structure_types!
can_represent_complex_types!
can_represent_time_types!
(|> (/.representation .Any sample_frac)
(try\map (text\= "[]"))
(try.else false))
(|> (/.representation (type (List Nat)) (: (List Nat) (list sample_nat)))
(try\map (text\= (%.list %.nat (list sample_nat))))
(try.else false))
(~~ (template [<sample>]
[(|> (/.representation (type (Maybe Nat)) (: (Maybe Nat) <sample>))
(try\map (text\= (%.maybe %.nat <sample>)))
(try.else false))]
[(#.Some sample_nat)]
[#.None]
))
)))
(_.cover [/.cannot_represent_value]
(case (/.representation (-> Nat Nat) (|>>))
(#try.Success representation)
false
(#try.Failure error)
(exception.match? /.cannot_represent_value error)))
)))
(def: inspection
Test
(do random.monad
[sample_bit random.bit
sample_int random.int
sample_frac random.frac
sample_text (random.ascii/upper 10)]
(_.cover [/.inspection]
(`` (and (~~ (template [<format> <sample>]
[(text\= (<format> <sample>) (/.inspection <sample>))]
[%.bit sample_bit]
[%.int sample_int]
[%.frac sample_frac]
[%.text sample_text]
))
(text\= (|> (list sample_bit sample_int sample_frac sample_text)
(: (List Any))
(list\map /.inspection)
(text.interposed " ")
(text.enclosed ["[" "]"]))
(/.inspection [sample_bit sample_int sample_frac sample_text]))
)))))
(syntax: (macro_error [macro <code>.any])
(function (_ compiler)
(case ((macro.expansion macro) compiler)
(#try.Failure error)
(#try.Success [compiler (list (code.text error))])
(#try.Success _)
(#try.Failure "OOPS!"))))
(type: My_Text
Text)
(def: .public test
Test
(<| (_.covering /._)
(do random.monad
[message (random.ascii/lower 5)]
($_ _.and
..inspection
..representation
(_.cover [/.:hole /.type_hole]
(let [error (: My_Text (..macro_error (/.:hole)))]
(and (exception.match? /.type_hole error)
(text.contains? (%.type My_Text) error))))
(do random.monad
[foo (random.ascii/upper 10)
bar random.nat
baz random.bit]
(_.cover [/.here]
(with_expansions [<no_parameters> (for {@.js (~~ (as_is))}
(~~ (as_is (/.here))))]
(`` (exec
<no_parameters>
(/.here foo
{bar %.nat})
true)))))
(_.cover [/.unknown_local_binding]
(exception.match? /.unknown_local_binding
(..macro_error (/.here yolo))))
(_.cover [/.private]
(exec
(: (/.private /.Inspector)
/.inspection)
true))
(_.cover [/.log!]
(exec
(/.log! (format (%.name (name_of /.log!))
" works: " (%.text message)))
true))
))))
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