Add IO modules, previously from HSFM

test/HPath/IO/CopyFileSpec.hs

@@ -0,0 +1,105 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module HPath.IO.CopyFileSpec where
+
+
+import Test.Hspec
+import HPath.IO.Errors
+import System.IO.Error
+  (
+    ioeGetErrorType
+  )
+import GHC.IO.Exception
+  (
+    IOErrorType(..)
+  )
+import System.Exit
+import System.Process
+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/copyFileSpec/"
+
+specDir' :: String
+specDir' = toString specDir
+
+
+spec :: Spec
+spec =
+  describe "HPath.IO.copyFile" $ do
+
+    -- successes --
+    it "copyFile, everything clear" $ do
+      copyFile' (specDir `ba` "inputFile")
+                (specDir `ba` "outputFile")
+      removeFileIfExists (specDir `ba` "outputFile")
+
+    it "copyFile, and compare" $ do
+      copyFile' (specDir `ba` "inputFile")
+                (specDir `ba` "outputFile")
+      (system $ "cmp -s " ++ specDir' ++ "inputFile" ++ " "
+                          ++ specDir' ++ "outputFile")
+        `shouldReturn` ExitSuccess
+      removeFileIfExists (specDir `ba` "outputFile")
+
+    -- posix failures --
+    it "copyFile, input file does not exist" $
+      copyFile' (specDir `ba` "noSuchFile")
+                (specDir `ba` "outputFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == NoSuchThing)
+
+    it "copyFile, no permission to write to output directory" $
+      copyFile' (specDir `ba` "inputFile")
+                (specDir `ba` "outputDirNoWrite/outputFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    it "copyFile, cannot open output directory" $
+      copyFile' (specDir `ba` "inputFile")
+                (specDir `ba` "noPerms/outputFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    it "copyFile, cannot open source directory" $
+      copyFile' (specDir `ba` "noPerms/inputFile")
+                (specDir `ba` "outputFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    it "copyFile, wrong input type (symlink)" $
+      copyFile' (specDir `ba` "inputFileSymL")
+                (specDir `ba` "outputFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == InvalidArgument)
+
+    it "copyFile, wrong input type (directory)" $
+      copyFile' (specDir `ba` "wrongInput")
+                (specDir `ba` "outputFile")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == InappropriateType)
+
+    it "copyFile, output file already exists" $
+      copyFile' (specDir `ba` "inputFile")
+                (specDir `ba` "alreadyExists")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == AlreadyExists)
+
+    it "copyFile, output file already exists and is a dir" $
+      copyFile' (specDir `ba` "inputFile")
+                (specDir `ba` "alreadyExistsD")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == AlreadyExists)
+
+    -- custom failures --
+    it "copyFile, output and input are same file" $
+      copyFile' (specDir `ba` "inputFile")
+                (specDir `ba` "inputFile")
+        `shouldThrow`
+        isSameFile