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27 lines
938 B
Haskell
27 lines
938 B
Haskell
{-# LANGUAGE DataKinds #-}
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module InterpreterSpec where
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import Category
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import Diff
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import Data.Record
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import Data.Record.Arbitrary ()
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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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it "returns a replacement when comparing two unicode equivalent terms" $
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let termA = cofree $ (StringLiteral .: RNil) :< Leaf "t\776"
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termB = cofree $ (StringLiteral .: RNil) :< Leaf "\7831" in
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diffTerms (free . Free) ((==) `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 (free . Free) ((==) `on` extract) diffCost (toTerm a) (toTerm b) :: Diff Text (Record '[Category]) in
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(beforeTerm diff, afterTerm diff) `shouldBe` (Just (toTerm a), Just (toTerm b))
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