quox/tests/Tests/PrettyTerm.idr

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module Tests.PrettyTerm
import TAP
import Quox.Syntax
import Quox.Syntax.Qty.Three
import Quox.Pretty
squash : String -> String
squash = pack . squash' . unpack where
squash' : List Char -> List Char
squash' [] = []
squash' (c :: cs) =
if isSpace c then
' ' :: squash' (dropWhile isSpace cs)
else
c :: squash' cs
renderSquash : Doc HL -> String
renderSquash = squash . ($ "") . renderShow . layoutCompact
parameters (ds : NContext d) (ns : NContext n)
testPrettyT : Term Three d n -> String -> String -> Test
testPrettyT t uni asc = test {e = Info} uni $ do
let uni' = renderSquash $ prettyTerm True ds ns t
asc' = renderSquash $ prettyTerm False ds ns t
unless (squash uni == uni') $ Left [("exp", uni), ("got", uni')]
unless (squash asc == asc') $ Left [("exp", asc), ("got", asc')]
testPrettyT1 : Term Three d n -> String -> Test
testPrettyT1 t str = testPrettyT t str str
testPrettyE : Elim Three d n -> String -> String -> Test
testPrettyE e uni asc = testPrettyT (E e) uni asc
testPrettyE1 : Elim Three d n -> String -> Test
testPrettyE1 e str = testPrettyT1 (E e) str
enum : List TagVal -> Term q d n
enum = Enum . SortedSet.fromList
export
tests : Test
tests = "pretty printing terms" :- [
"free vars" :- [
testPrettyE1 [<] [<] (F "x") "x",
testPrettyE1 [<] [<] (F $ MakeName [< "A", "B", "C"] "x") "A.B.C.x"
],
"bound vars" :- [
testPrettyE1 [< "𝑖", "𝑗"] [< "x", "y"] (BV 0) "y",
testPrettyE1 [< "𝑖", "𝑗"] [< "x", "y"] (BV 1) "x",
testPrettyE1 [< "𝑖", "𝑗"] [< "x", "y"] (F "eq" :% BV 1) "eq @𝑖",
testPrettyE1 [< "𝑖", "𝑗"] [< "x", "y"] (F "eq" :% BV 1 :% BV 0) "eq @𝑖 @𝑗"
],
"applications" :- [
testPrettyE1 [<] [<] (F "f" :@ FT "x") "f x",
testPrettyE1 [<] [<] (F "f" :@@ [FT "x", FT "y"]) "f x y",
testPrettyE1 [<] [<] (F "f" :% K Zero) "f @0",
testPrettyE1 [<] [<] (F "f" :@ FT "x" :% K Zero) "f x @0",
testPrettyE1 [<] [<] (F "g" :% K One :@ FT "y") "g @1 y"
],
"lambda" :- [
testPrettyT [<] [<] ([< "x"] :\\ BVT 0) "λ x ⇒ x" "fun x => x",
testPrettyT [<] [<] (Lam $ SN $ FT "a") "λ _ ⇒ a" "fun _ => a",
testPrettyT [<] [< "y"] ([< "x"] :\\ BVT 1) "λ x ⇒ y" "fun x => y",
testPrettyT [<] [<]
([< "x", "y", "f"] :\\ E (BV 0 :@@ [BVT 2, BVT 1]))
"λ x y f ⇒ f x y"
"fun x y f => f x y",
testPrettyT [<] [<] (DLam $ SN $ FT "a") "δ _ ⇒ a" "dfun _ => a",
testPrettyT [<] [<] ([< "i"] :\\% FT "x") "δ i ⇒ x" "dfun i => x",
testPrettyT [<] [<]
([< "x"] :\\ [< "i"] :\\% E (BV 0 :% BV 0))
"λ x ⇒ δ i ⇒ x @i"
"fun x => dfun i => x @i"
],
"type universes" :- [
testPrettyT [<] [<] (TYPE 0) "★₀" "Type0",
testPrettyT [<] [<] (TYPE 100) "★₁₀₀" "Type100"
],
"function types" :- [
skipWith "todo: non-dependent notation" $
testPrettyT [<] [<] (Arr One (FT "A") (FT "B")) "A ⊸ B" "A -o B",
testPrettyT [<] [<]
(Pi_ One "x" (FT "A") (E $ F "B" :@ BVT 0))
"(1.x : A) → B x"
"(1.x : A) -> B x",
testPrettyT [<] [<]
(Pi_ Zero "A" (TYPE 0) $ Arr Any (BVT 0) (BVT 0))
"(0.A : ★₀) → (ω._ : A) → A"
"(0.A : Type0) -> (#._ : A) -> A",
todo #"print (and parse) the below as "(AA)A""#,
testPrettyT [<] [<]
(Arr Any (Arr Any (FT "A") (FT "A")) (FT "A"))
"(ω._ : (ω._ : A) → A) → A"
"(#._ : (#._ : A) -> A) -> A",
todo "non-dependent, left and right nested"
],
"pair types" :- [
skipWith "todo: non-dependent notation" $
testPrettyT [<] [<] (FT "A" `And` FT "B") "A × B" "A ** B",
testPrettyT [<] [<]
(Sig_ "x" (FT "A") (E $ F "B" :@ BVT 0))
"(x : A) × B x"
"(x : A) ** B x",
testPrettyT [<] [<]
(Sig_ "x" (FT "A") $
Sig_ "y" (E $ F "B" :@ BVT 0) $
E $ F "C" :@@ [BVT 1, BVT 0])
"(x : A) × (y : B x) × C x y"
"(x : A) ** (y : B x) ** C x y",
todo "non-dependent, left and right nested"
],
"pairs" :- [
testPrettyT1 [<] [<] (Pair (FT "A") (FT "B")) "(A, B)",
testPrettyT1 [<] [<] (Pair (FT "A") (Pair (FT "B") (FT "C"))) "(A, B, C)",
testPrettyT1 [<] [<] (Pair (Pair (FT "A") (FT "B")) (FT "C")) "((A, B), C)",
testPrettyT [<] [<]
(Pair ([< "x"] :\\ BVT 0) (Arr One (FT "B₁") (FT "B₂")))
"(λ x ⇒ x, (1._ : B₁) → B₂)"
"(fun x => x, (1._ : B₁) -> B₂)"
],
"enum types" :- [
testPrettyT1 [<] [<] (enum []) "{}",
testPrettyT1 [<] [<] (enum ["a"]) "{a}",
testPrettyT1 [<] [<] (enum ["aa", "bb", "cc"]) "{aa, bb, cc}",
testPrettyT1 [<] [<] (enum ["a b c"]) #"{"a b c"}"#
],
"tags" :- [
testPrettyT1 [<] [<] (Tag "a") "'a",
testPrettyT1 [<] [<] (Tag "hello") "'hello",
testPrettyT1 [<] [<] (Tag "qualified.tag") "'qualified.tag",
testPrettyT1 [<] [<] (Tag "non-identifier tag") #"'"non-identifier tag""#
],
todo "equality types",
todo "case",
todo "annotations"
]