mirror of
https://github.com/github/semantic.git
synced 2024-12-23 06:41:45 +03:00
35 lines
1004 B
Haskell
35 lines
1004 B
Haskell
{-# LANGUAGE DataKinds #-}
|
|
module DiffSpec where
|
|
|
|
import Category
|
|
import Data.Functor.Both
|
|
import Data.Functor.Listable ()
|
|
import RWS
|
|
import Diff
|
|
import Info
|
|
import Interpreter
|
|
import Term
|
|
import Test.Hspec
|
|
import Test.Hspec.LeanCheck
|
|
|
|
spec :: Spec
|
|
spec = parallel $ do
|
|
let decorate = defaultFeatureVectorDecorator (category . termAnnotation)
|
|
prop "equality is reflexive" $
|
|
\ a -> let diff = a :: SyntaxDiff '[Category] in
|
|
diff `shouldBe` diff
|
|
|
|
prop "equal terms produce identity diffs" $
|
|
\ a -> let term = decorate (a :: SyntaxTerm '[Category]) in
|
|
diffCost (diffTerms (pure term)) `shouldBe` 0
|
|
|
|
describe "beforeTerm" $ do
|
|
prop "recovers the before term" $
|
|
\ a b -> let diff = diffTerms (both a b :: Both (SyntaxTerm '[Category])) in
|
|
beforeTerm diff `shouldBe` Just a
|
|
|
|
describe "afterTerm" $ do
|
|
prop "recovers the after term" $
|
|
\ a b -> let diff = diffTerms (both a b :: Both (SyntaxTerm '[Category])) in
|
|
afterTerm diff `shouldBe` Just b
|