Add IO modules, previously from HSFM

test/HPath/IO/RecreateSymlinkSpec.hs

@@ -0,0 +1,95 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module HPath.IO.RecreateSymlinkSpec where
+
+
+import Test.Hspec
+import HPath.IO.Errors
+import System.IO.Error
+  (
+    ioeGetErrorType
+  )
+import GHC.IO.Exception
+  (
+    IOErrorType(..)
+  )
+import Utils
+import qualified Data.ByteString as BS
+import           Data.ByteString.UTF8 (toString)
+
+
+ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
+ba = BS.append
+
+specDir :: BS.ByteString
+specDir = "test/HPath/IO/recreateSymlinkSpec/"
+
+specDir' :: String
+specDir' = toString specDir
+
+
+spec :: Spec
+spec =
+  describe "HPath.IO.recreateSymlink" $ do
+
+    -- successes --
+    it "recreateSymLink, all fine" $ do
+      recreateSymlink' (specDir `ba` "myFileL")
+                       (specDir `ba` "movedFile")
+      removeFileIfExists (specDir `ba` "movedFile")
+
+    it "recreateSymLink, all fine" $ do
+      recreateSymlink' (specDir `ba` "myFileL")
+                       (specDir `ba` "dir/movedFile")
+      removeFileIfExists (specDir `ba` "dir/movedFile")
+
+    -- posix failures --
+    it "recreateSymLink, wrong input type (file)" $
+      recreateSymlink' (specDir `ba` "myFile")
+                       (specDir `ba` "movedFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == InvalidArgument)
+
+    it "recreateSymLink, wrong input type (directory)" $
+      recreateSymlink' (specDir `ba` "dir")
+                       (specDir `ba` "movedFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == InvalidArgument)
+
+    it "recreateSymLink, can't write to destination directory" $
+      recreateSymlink' (specDir `ba` "myFileL")
+                       (specDir `ba` "noWritePerm/movedFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    it "recreateSymLink, can't open destination directory" $
+      recreateSymlink' (specDir `ba` "myFileL")
+                       (specDir `ba` "noPerms/movedFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    it "recreateSymLink, can't open source directory" $
+      recreateSymlink' (specDir `ba` "noPerms/myFileL")
+                       (specDir `ba` "movedFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    it "recreateSymLink, destination file already exists" $
+      recreateSymlink' (specDir `ba` "myFileL")
+                       (specDir `ba` "alreadyExists")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == AlreadyExists)
+
+    it "recreateSymLink, destination already exists and is a dir" $
+      recreateSymlink' (specDir `ba` "myFileL")
+                       (specDir `ba` "alreadyExistsD")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == AlreadyExists)
+
+    -- custom failures --
+    it "recreateSymLink, source and destination are the same file" $
+      recreateSymlink' (specDir `ba` "myFileL")
+                       (specDir `ba` "myFileL")
+        `shouldThrow`
+        isSameFile
+