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|
(;module:
lux
(lux [io]
(control ["M" monad #+ do Monad]
pipe
["p" parser])
(data [product]
[sum]
["E" error]
[number]
[text "text/" Eq<Text>]
text/format
(coll [list]))
["r" math/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;text +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)))
))))
|
