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|
(.module:
[lux #*
[io]
[control
["M" monad (#+ do Monad)]
pipe
["p" parser]]
[data
[product]
[sum]
["E" error]
[number]
[text ("text/" Equivalence<Text>)
format]
[collection [list]]]
[math ["r" random]]
["/" cli]]
lux/test)
(context: "CLI"
(<| (times +100)
(do @
[num-args (|> r.nat (:: @ map (n/% +10)))
#let [(^open "Nat/") number.Codec<Text,Nat>
gen-arg (:: @ map Nat/encode r.nat)]
yes gen-arg
#let [gen-ignore (|> (r.unicode +5) (r.filter (|>> (text/= yes) not)))]
no gen-ignore
pre-ignore (r.list +5 gen-ignore)
post-ignore (r.list +5 gen-ignore)]
($_ seq
(test "Can read any argument."
(|> (/.run (list yes) /.any)
(case> (#E.Error _)
false
(#E.Success arg)
(text/= arg yes))))
(test "Can test tokens."
(and (|> (/.run (list yes) (/.this yes))
(case> (#E.Error _) false (#E.Success _) true))
(|> (/.run (list no) (/.this yes))
(case> (#E.Error _) true (#E.Success _) false))))
(test "Can use custom token parsers."
(|> (/.run (list yes) (/.parse Nat/decode))
(case> (#E.Error _)
false
(#E.Success parsed)
(text/= (Nat/encode parsed)
yes))))
(test "Can query if there are any more inputs."
(and (|> (/.run (list) /.end)
(case> (#E.Success []) true _ false))
(|> (/.run (list yes) (p.not /.end))
(case> (#E.Success []) false _ true))))
(test "Can parse CLI input anywhere."
(|> (/.run (list.concat (list pre-ignore (list yes) post-ignore))
(|> (/.somewhere (/.this yes))
(p.before (p.some /.any))))
(case> (#E.Error _) false (#E.Success _) true)))
))))
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