Trustee.hs

{-# OPTIONS -fno-warn-orphans #-}
{-# LANGUAGE UndecidableInstances #-} -- for Reifies instances
module QuickCheck.Trustee where

import Test.Tasty.QuickCheck
import qualified Data.Text as Text

import Voting.Protocol

import Utils
import QuickCheck.Election ()

quickcheck :: TestTree
quickcheck =
	testGroup "Trustee"
	 [ testGroup "verifyIndispensableTrusteePublicKey" $
		 [ testIndispensableTrusteePublicKey weakFFC
		 , testIndispensableTrusteePublicKey beleniosFFC
		 ]
	 ]

testIndispensableTrusteePublicKey :: FFC -> TestTree
testIndispensableTrusteePublicKey ffc =
	reify ffc $ \(Proxy::Proxy c) ->
	testGroup (Text.unpack $ ffc_name ffc)
	 [ testProperty "Right" $ \seed ->
		isRight $ runExcept $
			(`evalStateT` mkStdGen seed) $ do
				trusteeSecKey :: SecretKey c <- randomSecretKey
				trusteePubKey <- proveIndispensableTrusteePublicKey trusteeSecKey
				lift $ verifyIndispensableTrusteePublicKey trusteePubKey
	 ]

instance Reifies c FFC => Arbitrary (TrusteePublicKey c) where
	arbitrary = do
		trustee_PublicKey <- arbitrary
		trustee_SecretKeyProof <- arbitrary
		return TrusteePublicKey{..}