Add IO modules, previously from HSFM

test/HPath/IO/CanonicalizePathSpec.hs

@@ -0,0 +1,66 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module HPath.IO.CanonicalizePathSpec where
+
+
+import Test.Hspec
+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/canonicalizePathSpec/"
+
+specDir' :: String
+specDir' = toString specDir
+
+
+spec :: Spec
+spec =
+  describe "HPath.IO.canonicalizePath" $ do
+
+    -- successes --
+    it "canonicalizePath, all fine" $ do
+      path <- withPwd (specDir `ba` "file") return
+      canonicalizePath' (specDir `ba` "file")
+        `shouldReturn` path
+
+    it "canonicalizePath, all fine" $ do
+      path <- withPwd (specDir `ba` "dir") return
+      canonicalizePath' (specDir `ba` "dir")
+        `shouldReturn` path
+
+    it "canonicalizePath, all fine" $ do
+      path <- withPwd (specDir `ba` "file") return
+      canonicalizePath' (specDir `ba` "fileSym")
+        `shouldReturn` path
+
+    it "canonicalizePath, all fine" $ do
+      path <- withPwd (specDir `ba` "dir") return
+      canonicalizePath' (specDir `ba` "dirSym")
+        `shouldReturn` path
+
+
+    -- posix failures --
+    it "canonicalizePath, broken symlink" $
+      canonicalizePath' (specDir `ba` "brokenSym")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == NoSuchThing)
+
+    it "canonicalizePath, file does not exist" $
+      canonicalizePath' (specDir `ba` "nothingBlah")
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == NoSuchThing)
+