Fix text encoding to utf8

hnix-store-remote/hnix-store-remote.cabal

@@ -62,6 +62,8 @@ test-suite hnix-store-remote-tests
    main-is:           Driver.hs
    other-modules:     Derivation
                     , NixDaemon
+                    , Spec
+                    , Util
    hs-source-dirs:    tests
    build-depends:
                        attoparsec
@@ -76,6 +78,7 @@ test-suite hnix-store-remote-tests
                      , process
                      , filepath
                      , hspec-expectations-lifted
+                     , quickcheck-text
                      , tasty
                      , tasty-discover
                      , tasty-hspec

hnix-store-remote/src/System/Nix/Store/Remote/Util.hs

@@ -11,6 +11,9 @@ import           Data.Binary.Get
 import           Data.Binary.Put
 import           Data.Text                 (Text)
 import qualified Data.Text                 as T
+import qualified Data.Text.Encoding        as T
+import qualified Data.Text.Lazy            as TL
+import qualified Data.Text.Lazy.Encoding   as TL
 import           Data.Time
 import           Data.Time.Clock.POSIX
 import           Data.ByteString           (ByteString)
@@ -91,13 +94,16 @@ sockGetPaths = do
   getSocketIncremental (getPaths sd)
 
 bsToText :: ByteString -> Text
-bsToText = T.pack . BSC.unpack
+bsToText = T.decodeUtf8
+
+textToBS :: Text -> ByteString
+textToBS = T.encodeUtf8
 
 bslToText :: BSL.ByteString -> Text
-bslToText = T.pack . BSC.unpack . BSL.toStrict
+bslToText = TL.toStrict . TL.decodeUtf8
 
 textToBSL :: Text -> BSL.ByteString
-textToBSL = BSL.fromStrict . BSC.pack . T.unpack
+textToBSL = TL.encodeUtf8 . TL.fromStrict
 
 putText :: Text -> Put
 putText = putByteStringLen . textToBSL

hnix-store-remote/tests/Driver.hs

@@ -1,8 +1,9 @@
 import Test.Tasty.Hspec
 import NixDaemon
+import qualified Spec
 
 -- we run remote tests in
 -- Linux namespaces to avoid interacting with systems store
 main = do
   enterNamespaces
-  hspec spec_protocol
+  Spec.main

hnix-store-remote/tests/Spec.hs

@@ -0,0 +1 @@
+{-# OPTIONS_GHC -F -pgmF tasty-discover -optF --generated-module=Spec #-}

hnix-store-remote/tests/Util.hs

@@ -0,0 +1,13 @@
+
+module Util where
+
+import           Test.Tasty.QuickCheck
+import           Data.Text.Arbitrary
+
+import           System.Nix.Store.Remote.Util
+
+prop_TextToBSLRoundtrip x =
+    bslToText (textToBSL x) === x
+
+prop_TextToBSRoundtrip x =
+    bsToText (textToBS x) === x