streamly-filesystem/test/Main.hs

81 lines
2.5 KiB
Haskell

{-# LANGUAGE CPP #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE OverloadedStrings #-}
module Main where
import Data.Foldable
import Data.List ( sortBy )
import GHC.IO.Handle ( Handle )
import System.IO
import System.IO.Temp
import Test.Hspec
import qualified Data.ByteString as BS
import qualified Data.ByteString.Lazy as BSL
import Streamly.External.FileSystem.Handle
import System.FilePath
#if !defined(mingw32_HOST_OS)
import Streamly.External.FileSystem.DirStream.Posix
import System.Posix.Directory as Posix
import System.Posix.Foreign
checkDirContents :: FilePath -> IO ()
checkDirContents fp = do
let f1 = fp </> "f1"
let f2 = fp </> "f2"
let f3 = fp </> "f3"
let f4 = fp </> "f4"
for_ [f1, f2, f3, f4] $ \f -> openFile f ReadWriteMode
ds <- Posix.openDirStream fp
contents <- fmap (sortBy (\(_, y) (_, z) -> compare y z)) $ dirContents ds
contents
`shouldBe` [ (DirType 8, "f1")
, (DirType 8, "f2")
, (DirType 8, "f3")
, (DirType 8, "f4")
]
#endif
checkCopyLBS :: FilePath -> Handle -> IO ()
checkCopyLBS filename handle' = do
let content = "Some file content"
print $ "Checking " <> filename
copyLBS content handle'
handle <- openFile filename ReadMode
bsContent <- BS.hGetContents handle
bsContent `shouldBe` (BSL.toStrict content)
checkReadFileLBS :: FilePath -> Handle -> IO ()
checkReadFileLBS filename handle' = do
let content = "Some file content"
print $ "Checking " <> filename
copyLBS content handle'
handle <- openFile filename ReadMode
bsContent <- readFileLBS handle
(BSL.toStrict bsContent) `shouldBe` (BSL.toStrict content)
checkCopyFileHandle :: Handle -> Handle -> IO ()
checkCopyFileHandle from to = do
let content = "Some file content"
copyLBS' content from
copyFileHandle' from to
fromContent <- readFileLBS from
toContent <- readFileLBS to
(BSL.toStrict fromContent) `shouldBe` (BSL.toStrict toContent)
main :: IO ()
main = hspec $ do
describe "Streamly.External.FileSystem.Handle.Posix" $ do
it "copyLBS" $ withSystemTempFile "x" checkCopyLBS
it "readFileLBS" $ withSystemTempFile "x" checkReadFileLBS
it "copyFileHandle" $ withSystemTempFile
"x"
(\_ h1 -> withSystemTempFile "y" $ (\_ h2 -> checkCopyFileHandle h1 h2))
#if !defined(mingw32_HOST_OS)
it "dirContents" $ withSystemTempDirectory "y" checkDirContents
#endif