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Test that we produce unchanged entries for identity diffs.

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This commit is contained in:
Rob Rix 2017-05-11 10:02:18 -04:00
parent 8a86d27f7c
commit f7bc08427a
1 changed files with 4 additions and 0 deletions
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test/TOCSpec.hs
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@ -6,6 +6,7 @@ import Data.Aeson
import Category as C
import Data.Functor.Both
import Data.Functor.Listable
import Data.Maybe (fromJust)
import Data.Record
import Data.Text.Listable
import Diff
@ -37,6 +38,9 @@ spec = parallel $ do
prop "includes all nodes with a constant Just function" $
\ diff -> let diff' = (unListableDiff diff :: Diff (Syntax ()) ()) in entryValue <$> tableOfContentsBy (const (Just ())) diff' `shouldBe` replicate (diffSize diff') ()
prop "produces an unchanged entry for identity diffs" $
\ term -> let term' = (unListableF term :: Term (Syntax ()) (Record '[Category])) in tableOfContentsBy (Just . headF) (diffTerms term' term') `shouldBe` [Unchanged (fromJust (getLast (foldMap (Last . Just) term')))]
describe "diffTOC" $ do
it "blank if there are no methods" $
diffTOC blankDiffBlobs blankDiff `shouldBe` [ ]