1
1
mirror of https://github.com/github/semantic.git synced 2024-12-27 00:44:57 +03:00
semantic/test/TermSpec.hs
2016-02-04 13:59:33 -05:00

26 lines
693 B
Haskell

module TermSpec where
import Test.Hspec
import Test.Hspec.QuickCheck
import Data.Text.Arbitrary ()
import Category
import Interpreter
import Diff
import ArbitraryTerm
spec :: Spec
spec = parallel $ do
describe "Term" $ do
prop "equality is reflexive" $
\ a -> unTerm a == unTerm (a :: ArbitraryTerm String ())
describe "Diff" $ do
prop "equality is reflexive" $
\ a b -> let diff = interpret comparable (unTerm a) (unTerm (b :: ArbitraryTerm String CategorySet)) in
diff == diff
prop "equal terms produce identity diffs" $
\ a -> let term = unTerm (a :: ArbitraryTerm String CategorySet) in
diffCost (interpret comparable term term) == 0