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37 lines
1.6 KiB
Haskell
37 lines
1.6 KiB
Haskell
{-# LANGUAGE DataKinds #-}
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module Data.RandomWalkSimilarity.Spec where
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import Data.DList as DList hiding (toList)
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import Data.Functor.Both
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import Data.RandomWalkSimilarity
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import Data.RandomWalkSimilarity.Arbitrary ()
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import Diff
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import Patch
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import Prologue
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import Syntax
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import Term
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import Term.Arbitrary
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import Test.Hspec
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import Test.Hspec.QuickCheck
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import Test.QuickCheck
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spec :: Spec
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spec = parallel $ do
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describe "pqGrams" $ do
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prop "produces grams with stems of the specified length" . forAll (arbitrary `suchThat` (\ (_, p, q) -> p > 0 && q > 0)) $
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\ (term, p, q) -> pqGrams p q identity (toTerm term :: Term Text Text) `shouldSatisfy` all ((== p) . length . stem)
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prop "produces grams with bases of the specified length" . forAll (arbitrary `suchThat` (\ (_, p, q) -> p > 0 && q > 0)) $
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\ (term, p, q) -> pqGrams p q identity (toTerm term :: Term Text Text) `shouldSatisfy` all ((== q) . length . base)
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describe "featureVector" $ do
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prop "produces a vector of the specified dimension" . forAll (arbitrary `suchThat` ((> 0) . Prologue.snd)) $
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\ (grams, d) -> length (featureVector d (fromList (grams :: [Gram Text]))) `shouldBe` d
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describe "rws" $ do
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prop "produces correct diffs" $
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\ as bs -> let termA = cofree ("" :< Indexed (toTerm <$> as))
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termB = cofree ("" :< Indexed (toTerm <$> bs))
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diff = free (Free (both "" "" :< Indexed (rws ((Just .) . (pure .) . Replace) identity (toTerm <$> as) (toTerm <$> bs) :: [Diff Text Text]))) in
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(beforeTerm diff, afterTerm diff) `shouldBe` (Just termA, Just termB)
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