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Migrate the Diff property tests to leancheck.

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This commit is contained in:
Rob Rix 2017-01-07 23:17:05 -05:00
parent a86db572f6
commit 26d0a634ed
1 changed files with 15 additions and 18 deletions
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33
test/Diff/Spec.hs
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@ -2,41 +2,38 @@
module Diff.Spec where
import Category
import Data.RandomWalkSimilarity
import Data.Record
import Data.Text.Arbitrary ()
import Data.Bifunctor.Join
import Data.Functor.Listable
import Data.String
import Diff
import Diff.Arbitrary
import Diffing (getLabel)
import Info
import Interpreter
import Patch
import Patch.Arbitrary ()
import Prologue
import Term.Arbitrary
import Term
import Test.Hspec
import Test.Hspec.QuickCheck
import Test.QuickCheck
import Test.Hspec.LeanCheck
spec :: Spec
spec = parallel $ do
let toTerm' = defaultFeatureVectorDecorator (category . headF) . toTerm
prop "equality is reflexive" $
\ a b -> let diff = diffTerms wrap (==) diffCost getLabel (toTerm' a) (toTerm' (b :: ArbitraryTerm Text (Record '[Category]))) in
\ a -> let diff = unListableDiff a :: SyntaxDiff String '[Category] in
diff `shouldBe` diff
prop "equal terms produce identity diffs" $
\ a -> let term = toTerm' (a :: ArbitraryTerm Text (Record '[Category])) in
\ a -> let term = unListableF a :: SyntaxTerm String '[Category] in
diffCost (diffTerms wrap (==) diffCost getLabel term term) `shouldBe` 0
describe "beforeTerm" $ do
prop "recovers the before term" $
\ a b -> let diff = diffTerms wrap (==) diffCost getLabel (toTerm' a) (toTerm' (b :: ArbitraryTerm Text (Record '[Category]))) in
beforeTerm diff `shouldBe` Just (toTerm' a)
\ a b -> let diff = diffTerms wrap (==) diffCost getLabel (unListableF a) (unListableF b :: SyntaxTerm String '[Category]) in
beforeTerm diff `shouldBe` Just (unListableF a)
describe "afterTerm" $ do
prop "recovers the after term" $
\ a b -> let diff = diffTerms wrap (==) diffCost getLabel (toTerm' a) (toTerm' (b :: ArbitraryTerm Text (Record '[Category]))) in
afterTerm diff `shouldBe` Just (toTerm' b)
\ a b -> let diff = diffTerms wrap (==) diffCost getLabel (unListableF a) (unListableF b :: SyntaxTerm String '[Category]) in
afterTerm diff `shouldBe` Just (unListableF b)
describe "ArbitraryDiff" $ do
prop "generates diffs of a specific size" . forAll ((arbitrary >>= \ n -> (,) n <$> diffOfSize n) `suchThat` ((> 0) . fst)) $
\ (n, diff) -> arbitraryDiffSize (diff :: ArbitraryDiff Text ()) `shouldBe` n
unListableDiff :: Functor f => ListableF (Free (TermF f (ListableF (Join (,)) annotation))) (Patch (ListableF (Term f) annotation)) -> Diff f annotation
unListableDiff diff = transFreeT (first unListableF) $ fmap unListableF <$> unListableF diff