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The RWS unbiased tests require disjoint syntax constructors.

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This commit is contained in:
Rob Rix 2016-08-12 09:56:24 -04:00
parent 5462278d0f
commit ada00d0485
1 changed files with 5 additions and 4 deletions
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9
test/Data/RandomWalkSimilarity/Spec.hs
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@ -1,6 +1,7 @@
{-# LANGUAGE DataKinds #-}
module Data.RandomWalkSimilarity.Spec where
import Data.Align.Generic
import Data.RandomWalkSimilarity
import Data.Record
import Diff
@ -39,10 +40,10 @@ spec = parallel $ do
(beforeTerm diff, afterTerm diff) `shouldBe` (Just (root (stripTerm <$> tas)), Just (root (stripTerm <$> tbs)))
let toTerm'' c (ArbitraryTerm r f) = toTerm' (ArbitraryTerm (setCategory r c) f)
prop "produces unbiased deletions" $
\ a b c -> let (a', b') = (toTerm'' c a, toTerm'' c (b :: ArbitraryTerm Text (Record '[Category]))) in
prop "produces unbiased deletions" . forAll (arbitrary `suchThat` \ (a, b, _) -> isNothing ((galign `on` syntax) a b)) $
\ (a, b, c) -> let (a', b') = (toTerm'' c a, toTerm'' c (b :: ArbitraryTerm Text (Record '[Category]))) in
fmap stripDiff (rws compare [ a', b' ] [ a' ]) `shouldBe` fmap stripDiff (reverse (rws compare [ b', a' ] [ a' ]))
prop "produces unbiased insertions" $
\ a b c -> let (a', b') = (toTerm'' c a, toTerm'' c (b :: ArbitraryTerm Text (Record '[Category]))) in
prop "produces unbiased insertions" . forAll (arbitrary `suchThat` \ (a, b, _) -> isNothing ((galign `on` syntax) a b)) $
\ (a, b, c) -> let (a', b') = (toTerm'' c a, toTerm'' c (b :: ArbitraryTerm Text (Record '[Category]))) in
fmap stripDiff (rws compare [ a' ] [ a', b' ]) `shouldBe` fmap stripDiff (reverse (rws compare [ a' ] [ b', a' ]))