Add IO modules, previously from HSFM

test/HPath/IO/RenameFileSpec.hs

@@ -0,0 +1,95 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module HPath.IO.RenameFileSpec 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/renameFileSpec/"
+
+specDir' :: String
+specDir' = toString specDir
+
+
+spec :: Spec
+spec =
+  describe "HPath.IO.renameFile" $ do
+
+    -- successes --
+    it "renameFile, all fine" $
+      renameFile' (specDir `ba` "myFile")
+                  (specDir `ba` "renamedFile")
+
+    it "renameFile, all fine" $
+      renameFile' (specDir `ba` "myFile")
+                  (specDir `ba` "dir/renamedFile")
+
+    it "renameFile, all fine on symlink" $
+      renameFile' (specDir `ba` "myFileL")
+                  (specDir `ba` "renamedFile")
+
+    it "renameFile, all fine on directory" $
+      renameFile' (specDir `ba` "dir")
+                  (specDir `ba` "renamedFile")
+
+    -- posix failures --
+    it "renameFile, source file does not exist" $
+      renameFile' (specDir `ba` "fileDoesNotExist")
+                  (specDir `ba` "renamedFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == NoSuchThing)
+
+    it "renameFile, can't write to output directory" $
+      renameFile' (specDir `ba` "myFile")
+                  (specDir `ba` "noWritePerm/renamedFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    it "renameFile, can't open output directory" $
+      renameFile' (specDir `ba` "myFile")
+                  (specDir `ba` "noPerms/renamedFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    it "renameFile, can't open source directory" $
+      renameFile' (specDir `ba` "noPerms/myFile")
+                  (specDir `ba` "renamedFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    -- custom failures --
+    it "renameFile, destination file already exists" $
+      renameFile' (specDir `ba` "myFile")
+                  (specDir `ba` "alreadyExists")
+        `shouldThrow`
+        isFileDoesExist
+
+    it "renameFile, move from file to dir" $
+      renameFile' (specDir `ba` "myFile")
+                  (specDir `ba` "alreadyExistsD")
+        `shouldThrow`
+        isDirDoesExist
+
+    it "renameFile, source and dest are same file" $
+      renameFile' (specDir `ba` "myFile")
+                  (specDir `ba` "myFile")
+        `shouldThrow`
+        isSameFile
+