fradrive/test/Handler/Utils/ZipSpec.hs
2017-10-09 19:00:39 +02:00

48 lines
1.6 KiB
Haskell

{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE RecordWildCards #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
module Handler.Utils.ZipSpec where
import TestImport
import Handler.Utils.Zip
import System.FilePath
import Data.Conduit
import qualified Data.Conduit.List as Conduit
import Data.List (dropWhileEnd)
import Data.Time
instance Arbitrary File where
arbitrary = do
fileTitle <- joinPath <$> arbitrary
date <- addDays <$> arbitrary <*> pure (fromGregorian 2043 7 2)
fileModified <- addUTCTime <$> arbitrary <*> pure (UTCTime date 0)
fileContent <- arbitrary
return File{..}
spec :: Spec
spec = describe "Zip file handling" $ do
it "has compatible encoding/decoding to/from zip files" . property $
\zipFiles -> do
zipFiles' <- runConduit $ Conduit.sourceList zipFiles =$= produceZip def =$= void consumeZip =$= Conduit.consume
forM_ (zipFiles `zip` zipFiles') $ \(file, file') -> do
let acceptableFilenameChanges
= makeValid . bool (dropWhileEnd isPathSeparator) addTrailingPathSeparator (isNothing $ fileContent file) . normalise . makeValid
acceptableTimeDifference t1 t2 = abs (diffUTCTime t1 t2) <= 2
(shouldBe `on` acceptableFilenameChanges) (fileTitle file') (fileTitle file)
when (inZipRange $ fileModified file) $
(fileModified file', fileModified file) `shouldSatisfy` uncurry acceptableTimeDifference
(fileContent file') `shouldBe` (fileContent file)
inZipRange :: UTCTime -> Bool
inZipRange time
| time > UTCTime (fromGregorian 1980 1 1) 0
, time < UTCTime (fromGregorian 2107 1 1) 0
= True
| otherwise
= False