94 lines
2.7 KiB
Idris
94 lines
2.7 KiB
Idris
module Tests.FromPTerm
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import Quox.Parser.Syntax
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import Quox.Parser
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import TermImpls
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import TAP
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import Derive.Prelude
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%language ElabReflection
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public export
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data Failure =
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LexError Lexer.Error
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| ParseError (List1 (ParsingError Token))
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| FromPTermError FromPTermError
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| WrongResult String
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| ExpectedFail String
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%runElab derive "Syntax.FromPTermError" [Show]
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export
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ToInfo Failure where
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toInfo (LexError err) =
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[("type", "LexError"), ("info", show err)]
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toInfo (ParseError errs) =
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("type", "ParseError") ::
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map (bimap show show) ([1 .. length errs] `zip` toList errs)
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toInfo (FromPTermError err) =
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[("type", "FromPTermError"),
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("got", show err)]
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toInfo (WrongResult got) =
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[("type", "WrongResult"), ("got", got)]
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toInfo (ExpectedFail got) =
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[("type", "ExpectedFail"), ("got", got)]
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parameters {c : Bool} {auto _ : Show b}
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(grm : Grammar c a) (fromP : a -> Either FromPTermError b)
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(inp : String)
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parameters {default (ltrim inp) label : String}
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parsesWith : (b -> Bool) -> Test
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parsesWith p = test label $ do
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toks <- mapFst LexError $ lex inp
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(pres, _) <- mapFst ParseError $ parse (grm <* eof) toks
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res <- mapFst FromPTermError $ fromP pres
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unless (p res) $ Left $ WrongResult $ show res
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parses : Test
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parses = parsesWith $ const True
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parsesAs : Eq b => b -> Test
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parsesAs exp = parsesWith (== exp)
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parameters {default "\{ltrim inp} # fails" label : String}
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parseFails : Test
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parseFails = test label $ do
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toks <- mapFst LexError $ lex inp
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(pres, _) <- mapFst ParseError $ parse (grm <* eof) toks
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either (const $ Right ()) (Left . ExpectedFail . show) $ fromP pres
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FromString BName where fromString = Just . fromString
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export
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tests : Test
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tests = "PTerm → Term" :- [
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"dimensions" :-
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let fromPDim = fromPDimWith [< "𝑖", "𝑗"]
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in [
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note "dim ctx: [𝑖, 𝑗]",
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parsesAs dim fromPDim "𝑖" (BV 1),
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parsesAs dim fromPDim "𝑗" (BV 0),
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parseFails dim fromPDim "𝑘",
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parsesAs dim fromPDim "0" (K Zero),
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parsesAs dim fromPDim "1" (K One)
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],
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"terms" :-
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let fromPTerm' = fromPTermWith [< "𝑖", "𝑗"] [< "A", "x", "y", "z"]
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in [
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note "dim ctx: [𝑖, 𝑗]; term ctx: [A, x, y, z]",
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parsesAs term fromPTerm' "x" $ BVT 2,
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parseFails term fromPTerm' "𝑖",
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parsesAs term fromPTerm' "f" $ FT "f",
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parsesAs term fromPTerm' "λ w ⇒ w" $ ["w"] :\\ BVT 0,
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parsesAs term fromPTerm' "λ w ⇒ x" $ ["w"] :\\ BVT 3,
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parsesAs term fromPTerm' "λ x ⇒ x" $ ["x"] :\\ BVT 0,
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parsesAs term fromPTerm' "λ a b ⇒ f a b" $
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["a", "b"] :\\ E (F "f" :@@ [BVT 1, BVT 0]),
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parsesAs term fromPTerm' "f @𝑖" $
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E $ F "f" :% BV 1
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]
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]
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