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34 lines
1.3 KiB
Haskell
34 lines
1.3 KiB
Haskell
{-# LANGUAGE DataKinds #-}
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module InterpreterSpec where
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import Category
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import Data.RandomWalkSimilarity
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import Data.Record
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import Diff
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import Info
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import Interpreter
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import Patch
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import Prologue
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import Syntax
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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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spec :: Spec
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spec = parallel $ do
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describe "interpret" $ do
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let decorate = featureVectorDecorator (category . headF) 2 2 15
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it "returns a replacement when comparing two unicode equivalent terms" $
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let termA = decorate . cofree $ (StringLiteral .: RNil) :< Leaf ("t\776" :: Text)
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termB = decorate . cofree $ (StringLiteral .: RNil) :< Leaf "\7831" in
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diffTerms wrap ((==) `on` extract) diffCost termA termB `shouldBe` free (Pure (Replace termA termB))
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prop "produces correct diffs" $
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\ a b -> let diff = diffTerms wrap ((==) `on` extract) diffCost (decorate (toTerm a)) (decorate (toTerm (b :: ArbitraryTerm Text (Record '[Category])))) in
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(beforeTerm diff, afterTerm diff) `shouldBe` (Just (decorate (toTerm a)), Just (decorate (toTerm b)))
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prop "constructs zero-cost diffs of equal terms" $
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\ a -> let term = decorate (toTerm (a :: ArbitraryTerm Text (Record '[Category])))
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diff = diffTerms wrap ((==) `on` extract) diffCost term term in
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diffCost diff `shouldBe` 0
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