diff --git a/Makefile.am b/Makefile.am
index 601da2b8361483e7a5a09601d03e50643caef85a..49dd1e0f00ed768a6c3f9a421c13f41a8f5bad5b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -512,6 +512,7 @@ HS_TEST_SRCS = \
 	htest/Test/Ganeti/Block/Drbd/Parser.hs \
 	htest/Test/Ganeti/Block/Drbd/Types.hs \
 	htest/Test/Ganeti/Common.hs \
+	htest/Test/Ganeti/Confd/Types.hs \
 	htest/Test/Ganeti/Confd/Utils.hs \
 	htest/Test/Ganeti/Daemon.hs \
 	htest/Test/Ganeti/Errors.hs \
diff --git a/htest/Test/Ganeti/Confd/Types.hs b/htest/Test/Ganeti/Confd/Types.hs
new file mode 100644
index 0000000000000000000000000000000000000000..0c5b40cea39d377bf47fff15ce91e1e2c0e5c586
--- /dev/null
+++ b/htest/Test/Ganeti/Confd/Types.hs
@@ -0,0 +1,116 @@
+{-# LANGUAGE TemplateHaskell #-}
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+
+{-| Unittests for ganeti-htools.
+
+-}
+
+{-
+
+Copyright (C) 2009, 2010, 2011, 2012 Google Inc.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.
+
+-}
+
+module Test.Ganeti.Confd.Types
+  ( testConfd_Types
+  , ConfdRequestType(..)
+  , ConfdReqField(..)
+  , ConfdReqQ(..)
+  ) where
+
+import Control.Applicative
+import Test.QuickCheck
+import Test.HUnit
+import qualified Text.JSON as J
+
+import Test.Ganeti.TestHelper
+import Test.Ganeti.TestCommon
+
+import Ganeti.Confd.Types as Confd
+
+{-# ANN module "HLint: ignore Use camelCase" #-}
+
+-- * Arbitrary instances
+
+$(genArbitrary ''ConfdRequestType)
+
+$(genArbitrary ''ConfdReqField)
+
+$(genArbitrary ''ConfdReqQ)
+
+instance Arbitrary ConfdQuery where
+  arbitrary = oneof [ pure EmptyQuery
+                    , PlainQuery <$> genName
+                    , DictQuery <$> arbitrary
+                    ]
+
+$(genArbitrary ''ConfdRequest)
+
+$(genArbitrary ''ConfdReplyStatus)
+
+instance Arbitrary ConfdReply where
+  arbitrary = ConfdReply <$> arbitrary <*> arbitrary <*>
+                pure J.JSNull <*> arbitrary
+
+$(genArbitrary ''ConfdErrorType)
+
+$(genArbitrary ''ConfdNodeRole)
+
+-- * Test cases
+
+-- | Test 'ConfdQuery' serialisation.
+prop_ConfdQuery_serialisation :: ConfdQuery -> Property
+prop_ConfdQuery_serialisation = testSerialisation
+
+-- | Test bad types deserialisation for 'ConfdQuery'.
+case_ConfdQuery_BadTypes :: Assertion
+case_ConfdQuery_BadTypes = do
+  let helper jsval = case J.readJSON jsval of
+                       J.Error _ -> return ()
+                       J.Ok cq -> assertFailure $ "Parsed " ++ show jsval
+                                   ++ " as query " ++ show (cq::ConfdQuery)
+  helper $ J.showJSON (1::Int)
+  helper $ J.JSBool True
+  helper $ J.JSBool False
+  helper $ J.JSArray []
+
+
+-- | Test 'ConfdReplyStatus' serialisation.
+prop_ConfdReplyStatus_serialisation :: ConfdReplyStatus -> Property
+prop_ConfdReplyStatus_serialisation = testSerialisation
+
+-- | Test 'ConfdReply' serialisation.
+prop_ConfdReply_serialisation :: ConfdReply -> Property
+prop_ConfdReply_serialisation = testSerialisation
+
+-- | Test 'ConfdErrorType' serialisation.
+prop_ConfdErrorType_serialisation :: ConfdErrorType -> Property
+prop_ConfdErrorType_serialisation = testSerialisation
+
+-- | Test 'ConfdNodeRole' serialisation.
+prop_ConfdNodeRole_serialisation :: ConfdNodeRole -> Property
+prop_ConfdNodeRole_serialisation = testSerialisation
+
+testSuite "Confd/Types"
+  [ 'prop_ConfdQuery_serialisation
+  , 'case_ConfdQuery_BadTypes
+  , 'prop_ConfdReplyStatus_serialisation
+  , 'prop_ConfdReply_serialisation
+  , 'prop_ConfdErrorType_serialisation
+  , 'prop_ConfdNodeRole_serialisation
+  ]
diff --git a/htest/Test/Ganeti/Confd/Utils.hs b/htest/Test/Ganeti/Confd/Utils.hs
index 81818a6e23cee99180038cac4b91a9db8aa1e5a7..128a78ed28072b3fa1346f68a62cf39db19ce4ee 100644
--- a/htest/Test/Ganeti/Confd/Utils.hs
+++ b/htest/Test/Ganeti/Confd/Utils.hs
@@ -28,12 +28,12 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 
 module Test.Ganeti.Confd.Utils (testConfd_Utils) where
 
-import Control.Applicative
 import Test.QuickCheck
 import qualified Text.JSON as J
 
 import Test.Ganeti.TestHelper
 import Test.Ganeti.TestCommon
+import Test.Ganeti.Confd.Types ()
 
 import qualified Ganeti.BasicTypes as BasicTypes
 import qualified Ganeti.Confd.Types as Confd
@@ -41,20 +41,6 @@ import qualified Ganeti.Confd.Utils as Confd.Utils
 import qualified Ganeti.Constants as C
 import qualified Ganeti.Hash as Hash
 
-$(genArbitrary ''Confd.ConfdRequestType)
-
-$(genArbitrary ''Confd.ConfdReqField)
-
-$(genArbitrary ''Confd.ConfdReqQ)
-
-instance Arbitrary Confd.ConfdQuery where
-  arbitrary = oneof [ pure Confd.EmptyQuery
-                    , Confd.PlainQuery <$> genName
-                    , Confd.DictQuery <$> arbitrary
-                    ]
-
-$(genArbitrary ''Confd.ConfdRequest)
-
 -- | Test that signing messages and checking signatures is correct. It
 -- also tests, indirectly the serialisation of messages so we don't
 -- need a separate test for that.
diff --git a/htest/test.hs b/htest/test.hs
index 8d71c247cc8a86e009595cdae33398ae4af5e1db..3bb1294c6ef0f0337c8cf3b2f3cb079c6fe6ca76 100644
--- a/htest/test.hs
+++ b/htest/test.hs
@@ -37,6 +37,7 @@ import Test.Ganeti.Block.Drbd.Parser
 import Test.Ganeti.Block.Drbd.Types
 import Test.Ganeti.Common
 import Test.Ganeti.Confd.Utils
+import Test.Ganeti.Confd.Types
 import Test.Ganeti.Daemon
 import Test.Ganeti.Errors
 import Test.Ganeti.HTools.Backend.Simu
@@ -83,6 +84,7 @@ allTests =
   [ testBasicTypes
   , testAttoparsec
   , testCommon
+  , testConfd_Types
   , testConfd_Utils
   , testDaemon
   , testBlock_Drbd_Parser