diff --git a/graphql.cabal b/graphql.cabal
index 337e397..abbfba6 100644
--- a/graphql.cabal
+++ b/graphql.cabal
@@ -4,7 +4,7 @@ cabal-version: 2.2
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: ddb79ddbd13b917f320fff372b4a29b63b6eb0ed113ca732c1d779b4e6a296d8
+-- hash: c943c792ef9717e8305e22059e7244a0a471b6d26a53e6e4dc162e4f4a6110b4
 
 name:           graphql
 version:        0.10.0.0
@@ -74,7 +74,7 @@ library
     , unordered-containers
   default-language: Haskell2010
 
-test-suite tasty
+test-suite graphql-test
   type: exitcode-stdio-1.0
   main-is: Spec.hs
   other-modules:
@@ -89,9 +89,6 @@ test-suite tasty
       Test.DirectiveSpec
       Test.FragmentSpec
       Test.RootOperationSpec
-      Test.StarWars.Data
-      Test.StarWars.QuerySpec
-      Test.StarWars.Schema
       Paths_graphql
   hs-source-dirs:
       tests
diff --git a/package.yaml b/package.yaml
index b050492..8be36da 100644
--- a/package.yaml
+++ b/package.yaml
@@ -50,7 +50,7 @@ library:
   - Language.GraphQL.Validate.Rules
 
 tests:
-  tasty:
+  graphql-test:
     main: Spec.hs
     source-dirs: tests
     ghc-options:
diff --git a/tests/Test/StarWars/Data.hs b/tests/Test/StarWars/Data.hs
deleted file mode 100644
index e3dd696..0000000
--- a/tests/Test/StarWars/Data.hs
+++ /dev/null
@@ -1,204 +0,0 @@
-{-# LANGUAGE OverloadedStrings #-}
-module Test.StarWars.Data
-    ( Character
-    , StarWarsException(..)
-    , appearsIn
-    , artoo
-    , getDroid
-    , getDroid'
-    , getEpisode
-    , getFriends
-    , getHero
-    , getHuman
-    , id_
-    , homePlanet
-    , name_
-    , secretBackstory
-    , typeName
-    ) where
-
-import Control.Monad.Catch (Exception(..), MonadThrow(..), SomeException)
-import Control.Applicative (Alternative(..), liftA2)
-import Data.Maybe (catMaybes)
-import Data.Text (Text)
-import Data.Typeable (cast)
-import Language.GraphQL.Error
-import Language.GraphQL.Type
-
--- * Data
--- See https://github.com/graphql/graphql-js/blob/master/src/__tests__/starWarsData.js
-
--- ** Characters
-
-type ID = Text
-
-data CharCommon = CharCommon
-  { _id_        :: ID
-  , _name       :: Text
-  , _friends    :: [ID]
-  , _appearsIn  :: [Int]
-  } deriving (Show)
-
-
-data Human = Human
-  { _humanChar  :: CharCommon
-  , homePlanet :: Text
-  }
-
-data Droid = Droid
-  { _droidChar       :: CharCommon
-  , primaryFunction :: Text
-  }
-
-type Character = Either Droid Human
-
-id_ :: Character -> ID
-id_ (Left  x) = _id_ . _droidChar $ x
-id_ (Right x) = _id_ . _humanChar $ x
-
-name_ :: Character -> Text
-name_ (Left  x) = _name . _droidChar $ x
-name_ (Right x) = _name . _humanChar $ x
-
-friends :: Character -> [ID]
-friends (Left  x) = _friends . _droidChar $ x
-friends (Right x) = _friends . _humanChar $ x
-
-appearsIn :: Character -> [Int]
-appearsIn (Left  x) = _appearsIn . _droidChar $ x
-appearsIn (Right x) = _appearsIn . _humanChar $ x
-
-data StarWarsException = SecretBackstory | InvalidArguments
-
-instance Show StarWarsException where
-    show SecretBackstory = "secretBackstory is secret."
-    show InvalidArguments = "Invalid arguments."
-
-instance Exception StarWarsException where
-    toException = toException . ResolverException
-    fromException e = do
-        ResolverException resolverException <- fromException e
-        cast resolverException
-
-secretBackstory :: Resolve (Either SomeException)
-secretBackstory = throwM SecretBackstory
-
-typeName :: Character -> Text
-typeName = either (const "Droid") (const "Human")
-
-luke :: Character
-luke = Right luke'
-
-luke' :: Human
-luke' = Human
-  { _humanChar = CharCommon
-      { _id_        = "1000"
-      , _name       = "Luke Skywalker"
-      , _friends    = ["1002","1003","2000","2001"]
-      , _appearsIn  = [4,5,6]
-      }
-  , homePlanet = "Tatooine"
-  }
-
-vader :: Human
-vader = Human
-  { _humanChar = CharCommon
-      { _id_        = "1001"
-      , _name       = "Darth Vader"
-      , _friends    = ["1004"]
-      , _appearsIn  = [4,5,6]
-      }
-  , homePlanet = "Tatooine"
-  }
-
-han :: Human
-han = Human
-  { _humanChar = CharCommon
-      { _id_        = "1002"
-      , _name       = "Han Solo"
-      , _friends    = ["1000","1003","2001" ]
-      , _appearsIn  = [4,5,6]
-      }
-  , homePlanet = mempty
-  }
-
-leia :: Human
-leia = Human
-  { _humanChar = CharCommon
-      { _id_        = "1003"
-      , _name       = "Leia Organa"
-      , _friends    = ["1000","1002","2000","2001"]
-      , _appearsIn  = [4,5,6]
-      }
-  , homePlanet = "Alderaan"
-  }
-
-tarkin :: Human
-tarkin = Human
-  { _humanChar = CharCommon
-    { _id_        = "1004"
-    , _name       = "Wilhuff Tarkin"
-    , _friends    = ["1001"]
-    , _appearsIn  = [4]
-    }
-  , homePlanet = mempty
-  }
-
-threepio :: Droid
-threepio = Droid
-  { _droidChar = CharCommon
-      { _id_ = "2000"
-      , _name = "C-3PO"
-      , _friends = ["1000","1002","1003","2001" ]
-      , _appearsIn = [ 4, 5, 6 ]
-      }
-  , primaryFunction = "Protocol"
-  }
-
-artoo :: Character
-artoo = Left artoo'
-
-artoo' :: Droid
-artoo' = Droid
-  { _droidChar = CharCommon
-      { _id_        = "2001"
-      , _name       = "R2-D2"
-      , _friends    = ["1000","1002","1003"]
-      , _appearsIn  = [4,5,6]
-      }
-  , primaryFunction = "Astrometch"
-  }
-
--- ** Helper functions
-
-getHero :: Int -> Character
-getHero 5 = luke
-getHero _ = artoo
-
-getHuman :: ID -> Maybe Character
-getHuman = fmap Right . getHuman'
-
-getHuman' :: ID -> Maybe Human
-getHuman' "1000" = pure luke'
-getHuman' "1001" = pure vader
-getHuman' "1002" = pure han
-getHuman' "1003" = pure leia
-getHuman' "1004" = pure tarkin
-getHuman' _      = empty
-
-getDroid :: ID -> Maybe Character
-getDroid = fmap Left . getDroid'
-
-getDroid' :: ID -> Maybe Droid
-getDroid' "2000" = pure threepio
-getDroid' "2001" = pure artoo'
-getDroid' _      = empty
-
-getFriends :: Character -> [Character]
-getFriends char = catMaybes $ liftA2 (<|>) getDroid getHuman <$> friends char
-
-getEpisode :: Int -> Maybe Text
-getEpisode 4 = pure "NEW_HOPE"
-getEpisode 5 = pure "EMPIRE"
-getEpisode 6 = pure "JEDI"
-getEpisode _ = empty
diff --git a/tests/Test/StarWars/QuerySpec.hs b/tests/Test/StarWars/QuerySpec.hs
deleted file mode 100644
index f9b13d9..0000000
--- a/tests/Test/StarWars/QuerySpec.hs
+++ /dev/null
@@ -1,366 +0,0 @@
-{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE QuasiQuotes #-}
-module Test.StarWars.QuerySpec
-    ( spec
-    ) where
-
-import qualified Data.Aeson as Aeson
-import Data.Aeson ((.=))
-import qualified Data.HashMap.Strict as HashMap
-import Data.Text (Text)
-import Language.GraphQL
-import Text.RawString.QQ (r)
-import Test.Hspec.Expectations (Expectation, shouldBe)
-import Test.Hspec (Spec, describe, it)
-import Test.StarWars.Schema
-
--- * Test
--- See https://github.com/graphql/graphql-js/blob/master/src/__tests__/starWarsQueryTests.js
-
-spec :: Spec
-spec = describe "Star Wars Query Tests" $ do
-    describe "Basic Queries" $ do
-      it "R2-D2 hero" $ testQuery
-        [r| query HeroNameQuery {
-            hero {
-              id
-            }
-          }
-        |]
-        $ Aeson.object
-            [ "data" .= Aeson.object
-                [ "hero" .= Aeson.object ["id" .= ("2001" :: Text)]
-                ]
-            ]
-      it "R2-D2 ID and friends" $ testQuery
-        [r| query HeroNameAndFriendsQuery {
-            hero {
-              id
-              name
-              friends {
-                name
-              }
-            }
-          }
-        |]
-        $ Aeson.object [ "data" .= Aeson.object [
-            "hero" .= Aeson.object
-                [ "id" .= ("2001" :: Text)
-                , r2d2Name
-                , "friends" .=
-                    [ Aeson.object [lukeName]
-                    , Aeson.object [hanName]
-                    , Aeson.object [leiaName]
-                    ]
-                ]
-        ]]
-
-    describe "Nested Queries" $ do
-      it "R2-D2 friends" $ testQuery
-        [r| query NestedQuery {
-              hero {
-                name
-                friends {
-                  name
-                  appearsIn
-                  friends {
-                    name
-                  }
-                }
-              }
-            }
-        |]
-        $ Aeson.object [ "data" .= Aeson.object [
-          "hero" .= Aeson.object [
-              "name" .= ("R2-D2" :: Text)
-            , "friends" .= [
-                  Aeson.object [
-                      "name" .= ("Luke Skywalker" :: Text)
-                    , "appearsIn" .= ["NEW_HOPE", "EMPIRE", "JEDI" :: Text]
-                    , "friends" .= [
-                          Aeson.object [hanName]
-                        , Aeson.object [leiaName]
-                        , Aeson.object [c3poName]
-                        , Aeson.object [r2d2Name]
-                        ]
-                    ]
-                , Aeson.object [
-                      hanName
-                    , "appearsIn" .= ["NEW_HOPE", "EMPIRE", "JEDI" :: Text]
-                    , "friends" .=
-                        [ Aeson.object [lukeName]
-                        , Aeson.object [leiaName]
-                        , Aeson.object [r2d2Name]
-                        ]
-                    ]
-                , Aeson.object [
-                      leiaName
-                    , "appearsIn" .= ["NEW_HOPE", "EMPIRE", "JEDI" :: Text]
-                    , "friends" .=
-                        [ Aeson.object [lukeName]
-                        , Aeson.object [hanName]
-                        , Aeson.object [c3poName]
-                        , Aeson.object [r2d2Name]
-                        ]
-                    ]
-                ]
-            ]
-        ]]
-      it "Luke ID" $ testQuery
-        [r| query FetchLukeQuery {
-              human(id: "1000") {
-                name
-              }
-            }
-        |]
-        $ Aeson.object [ "data" .= Aeson.object
-            [ "human" .= Aeson.object [lukeName]
-            ]]
-
-    it "Luke ID with variable" $ testQueryParams
-      (HashMap.singleton "someId" "1000")
-      [r| query FetchSomeIDQuery($someId: String!) {
-            human(id: $someId) {
-              name
-            }
-          }
-      |]
-      $ Aeson.object [ "data" .= Aeson.object [
-        "human" .= Aeson.object [lukeName]
-      ]]
-    it "Han ID with variable" $ testQueryParams
-      (HashMap.singleton "someId" "1002")
-      [r| query FetchSomeIDQuery($someId: String!) {
-            human(id: $someId) {
-              name
-            }
-          }
-      |]
-      $ Aeson.object [ "data" .= Aeson.object [
-        "human" .= Aeson.object [hanName]
-      ]]
-    it "Invalid ID" $ testQueryParams
-      (HashMap.singleton "id" "Not a valid ID")
-      [r| query humanQuery($id: String!) {
-            human(id: $id) {
-              name
-            }
-          }
-      |] $ Aeson.object ["data" .= Aeson.object ["human" .= Aeson.Null]]
-    it "Luke aliased" $ testQuery
-      [r| query FetchLukeAliased {
-            luke: human(id: "1000") {
-              name
-            }
-          }
-      |]
-      $ Aeson.object [ "data" .= Aeson.object [
-       "luke" .= Aeson.object [lukeName]
-      ]]
-    it "R2-D2 ID and friends aliased" $ testQuery
-      [r| query HeroNameAndFriendsQuery {
-            hero {
-              id
-              name
-              friends {
-                friendName: name
-              }
-            }
-          }
-      |]
-      $ Aeson.object [ "data" .= Aeson.object [
-        "hero" .= Aeson.object [
-            "id" .= ("2001" :: Text)
-          , r2d2Name
-          , "friends" .=
-              [ Aeson.object ["friendName" .= ("Luke Skywalker" :: Text)]
-              , Aeson.object ["friendName" .= ("Han Solo" :: Text)]
-              , Aeson.object ["friendName" .= ("Leia Organa" :: Text)]
-              ]
-          ]
-      ]]
-    it "Luke and Leia aliased" $ testQuery
-      [r| query FetchLukeAndLeiaAliased {
-            luke: human(id: "1000") {
-              name
-            }
-            leia: human(id: "1003") {
-              name
-            }
-          }
-      |]
-      $ Aeson.object [ "data" .= Aeson.object
-        [ "luke" .= Aeson.object [lukeName]
-        , "leia" .= Aeson.object [leiaName]
-      ]]
-
-    describe "Fragments for complex queries" $ do
-      it "Aliases to query for duplicate content" $ testQuery
-        [r| query DuplicateFields {
-              luke: human(id: "1000") {
-                name
-                homePlanet
-              }
-              leia: human(id: "1003") {
-                name
-                homePlanet
-              }
-            }
-        |]
-        $ Aeson.object [ "data" .= Aeson.object [
-          "luke" .= Aeson.object [lukeName, tatooine]
-        , "leia" .= Aeson.object [leiaName, alderaan]
-        ]]
-      it "Fragment for duplicate content" $ testQuery
-        [r|  query UseFragment {
-              luke: human(id: "1000") {
-                ...HumanFragment
-              }
-              leia: human(id: "1003") {
-                ...HumanFragment
-              }
-            }
-            fragment HumanFragment on Human {
-              name
-              homePlanet
-            }
-        |]
-        $ Aeson.object [ "data" .= Aeson.object [
-          "luke" .= Aeson.object [lukeName, tatooine]
-        , "leia" .= Aeson.object [leiaName, alderaan]
-        ]]
-
-    describe "__typename" $ do
-      it "R2D2 is a Droid" $ testQuery
-        [r| query CheckTypeOfR2 {
-              hero {
-                __typename
-                name
-              }
-            }
-          |]
-        $ Aeson.object ["data" .= Aeson.object [
-            "hero" .= Aeson.object
-                [ "__typename" .= ("Droid" :: Text)
-                , r2d2Name
-                ]
-        ]]
-      it "Luke is a human" $ testQuery
-        [r| query CheckTypeOfLuke {
-              hero(episode: EMPIRE) {
-                __typename
-                name
-              }
-            }
-          |]
-        $ Aeson.object ["data" .= Aeson.object [
-            "hero" .= Aeson.object
-                [ "__typename" .= ("Human" :: Text)
-                , lukeName
-                ]
-        ]]
-
-    describe "Errors in resolvers" $ do
-        it "error on secretBackstory" $ testQuery
-          [r|
-            query HeroNameQuery {
-              hero {
-                name
-                secretBackstory
-              }
-            }
-          |]
-          $ Aeson.object
-              [ "data" .= Aeson.object
-                  [ "hero" .= Aeson.object
-                      [ "name" .= ("R2-D2" :: Text)
-                      , "secretBackstory" .= Aeson.Null
-                      ]
-                  ]
-              , "errors" .=
-                  [ Aeson.object
-                      ["message" .= ("secretBackstory is secret." :: Text)]
-                  ]
-              ]
-        it "Error in a list" $ testQuery
-          [r| query HeroNameQuery {
-                hero {
-                  name
-                  friends {
-                    name
-                    secretBackstory
-                  }
-                }
-              }
-            |]
-          $ Aeson.object ["data" .= Aeson.object
-            [ "hero" .= Aeson.object
-                [ "name" .= ("R2-D2" :: Text)
-                , "friends" .=
-                    [ Aeson.object
-                        [ "name" .= ("Luke Skywalker" :: Text)
-                        , "secretBackstory" .= Aeson.Null
-                        ]
-                    , Aeson.object
-                        [ "name" .= ("Han Solo" :: Text)
-                        , "secretBackstory" .= Aeson.Null
-                        ]
-                    , Aeson.object
-                        [ "name" .= ("Leia Organa" :: Text)
-                        , "secretBackstory" .= Aeson.Null
-                        ]
-                    ]
-                ]
-            ]
-            , "errors" .=
-                [ Aeson.object
-                    [ "message" .= ("secretBackstory is secret." :: Text)
-                    ]
-                , Aeson.object
-                    [ "message" .= ("secretBackstory is secret." :: Text)
-                    ]
-                , Aeson.object
-                    [ "message" .= ("secretBackstory is secret." :: Text)
-                    ]
-                ]
-            ]
-        it "error on secretBackstory with alias" $ testQuery
-          [r| query HeroNameQuery {
-                mainHero: hero {
-                  name
-                  story: secretBackstory
-                }
-              }
-            |]
-          $ Aeson.object
-              [ "data" .= Aeson.object
-                  [ "mainHero" .= Aeson.object
-                      [ "name" .= ("R2-D2" :: Text)
-                      , "story" .= Aeson.Null
-                      ]
-                  ]
-              , "errors" .=
-                  [ Aeson.object
-                    [ "message" .= ("secretBackstory is secret." :: Text)
-                    ]
-                  ]
-              ]
-
-  where
-    lukeName = "name" .= ("Luke Skywalker" :: Text)
-    leiaName = "name" .= ("Leia Organa" :: Text)
-    hanName = "name" .= ("Han Solo" :: Text)
-    r2d2Name = "name" .= ("R2-D2" :: Text)
-    c3poName = "name" .= ("C-3PO" :: Text)
-    tatooine = "homePlanet" .= ("Tatooine" :: Text)
-    alderaan = "homePlanet" .= ("Alderaan" :: Text)
-
-testQuery :: Text -> Aeson.Value -> Expectation
-testQuery q expected =
-    let Right (Right actual) = graphql starWarsSchema q
-     in Aeson.Object actual `shouldBe` expected
-
-testQueryParams :: Aeson.Object -> Text -> Aeson.Value -> Expectation
-testQueryParams f q expected =
-    let Right (Right actual) = graphqlSubs starWarsSchema Nothing f q
-     in Aeson.Object actual `shouldBe` expected
diff --git a/tests/Test/StarWars/Schema.hs b/tests/Test/StarWars/Schema.hs
deleted file mode 100644
index 90ce9fc..0000000
--- a/tests/Test/StarWars/Schema.hs
+++ /dev/null
@@ -1,166 +0,0 @@
-{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE ScopedTypeVariables #-}
-module Test.StarWars.Schema
-    ( starWarsSchema
-    ) where
-
-import Control.Monad.Catch (MonadThrow(..), SomeException)
-import Control.Monad.Trans.Reader (asks)
-import qualified Data.HashMap.Strict as HashMap
-import Data.Maybe (catMaybes)
-import Data.Text (Text)
-import Language.GraphQL.Type
-import qualified Language.GraphQL.Type.In as In
-import qualified Language.GraphQL.Type.Out as Out
-import Test.StarWars.Data
-import Prelude hiding (id)
-
--- See https://github.com/graphql/graphql-js/blob/master/src/__tests__/starWarsSchema.js
-
-starWarsSchema :: Schema (Either SomeException)
-starWarsSchema = schema queryType Nothing Nothing mempty
-  where
-    queryType = Out.ObjectType "Query" Nothing [] $ HashMap.fromList
-        [ ("hero", heroFieldResolver)
-        , ("human", humanFieldResolver)
-        , ("droid", droidFieldResolver)
-        ]
-    heroField = Out.Field Nothing (Out.NamedObjectType heroObject)
-        $ HashMap.singleton "episode"
-        $ In.Argument Nothing (In.NamedEnumType episodeEnum) Nothing
-    heroFieldResolver = ValueResolver heroField hero
-    humanField = Out.Field Nothing (Out.NamedObjectType heroObject)
-        $ HashMap.singleton "id"
-        $ In.Argument Nothing (In.NonNullScalarType string) Nothing
-    humanFieldResolver = ValueResolver humanField human
-    droidField = Out.Field Nothing (Out.NamedObjectType droidObject) mempty
-    droidFieldResolver = ValueResolver droidField droid
-
-heroObject :: Out.ObjectType (Either SomeException)
-heroObject = Out.ObjectType "Human" Nothing [characterType] $ HashMap.fromList
-    [ ("id", idFieldType)
-    , ("name", nameFieldType)
-    , ("friends", friendsFieldResolver)
-    , ("appearsIn", appearsInFieldResolver)
-    , ("homePlanet", homePlanetFieldType)
-    , ("secretBackstory", secretBackstoryFieldResolver)
-    , ("__typename", typenameFieldResolver)
-    ]
-  where
-    homePlanetFieldType
-      = ValueResolver (Out.Field Nothing (Out.NamedScalarType string) mempty)
-      $ defaultResolver "homePlanet"
-
-droidObject :: Out.ObjectType (Either SomeException)
-droidObject = Out.ObjectType "Droid" Nothing [characterType] $ HashMap.fromList
-    [ ("id", idFieldType)
-    , ("name", nameFieldType)
-    , ("friends", friendsFieldResolver)
-    , ("appearsIn", appearsInFieldResolver)
-    , ("primaryFunction", primaryFunctionFieldType)
-    , ("secretBackstory", secretBackstoryFieldResolver)
-    , ("__typename", typenameFieldResolver)
-    ]
-  where
-    primaryFunctionFieldType
-        = ValueResolver (Out.Field Nothing (Out.NamedScalarType string) mempty)
-        $ defaultResolver "primaryFunction"
-
-typenameFieldResolver :: Resolver (Either SomeException)
-typenameFieldResolver
-    = ValueResolver (Out.Field Nothing (Out.NamedScalarType string) mempty)
-    $ defaultResolver "__typename"
-
-idFieldType :: Resolver (Either SomeException)
-idFieldType = ValueResolver idField $ defaultResolver "id"
-
-nameFieldType :: Resolver (Either SomeException)
-nameFieldType = ValueResolver nameField $ defaultResolver "name"
-
-friendsFieldResolver :: Resolver (Either SomeException)
-friendsFieldResolver = ValueResolver friendsField $ defaultResolver "friends"
-
-characterType :: InterfaceType (Either SomeException)
-characterType = InterfaceType "Character" Nothing [] $ HashMap.fromList
-    [ ("id", idField)
-    , ("name", nameField)
-    , ("friends", friendsField)
-    , ("appearsIn", appearsInField)
-    , ("secretBackstory", secretBackstoryField)
-    ]
-
-idField :: Field (Either SomeException)
-idField = Field Nothing (Out.NonNullScalarType id) mempty
-
-nameField :: Field (Either SomeException)
-nameField = Field Nothing (Out.NamedScalarType string) mempty
-
-friendsField :: Field (Either SomeException)
-friendsField = Field Nothing friendsFieldType mempty
-  where
-    friendsFieldType = Out.ListType (Out.NamedInterfaceType characterType)
-
-appearsInField :: Field (Either SomeException)
-appearsInField = Field appearsInDescription appearsInFieldType mempty
-  where
-    appearsInDescription = Just "Which movies they appear in."
-    appearsInFieldType = Out.ListType $ Out.NamedEnumType episodeEnum
-
-secretBackstoryField :: Field (Either SomeException)
-secretBackstoryField =
-    Out.Field Nothing (Out.NamedScalarType string) mempty
-
-appearsInFieldResolver :: Resolver (Either SomeException)
-appearsInFieldResolver = ValueResolver appearsInField
-    $ defaultResolver "appearsIn"
-
-secretBackstoryFieldResolver :: Resolver (Either SomeException)
-secretBackstoryFieldResolver = ValueResolver secretBackstoryField secretBackstory
-
-defaultResolver :: Text -> Resolve (Either SomeException)
-defaultResolver f = do
-    v <- asks values
-    let (Object v') = v
-    pure $ v' HashMap.! f
-
-episodeEnum :: EnumType
-episodeEnum = EnumType "Episode" (Just description)
-    $ HashMap.fromList [newHope, empire, jedi]
-  where
-    description = "One of the films in the Star Wars Trilogy"
-    newHope = ("NEW_HOPE", EnumValue $ Just "Released in 1977.")
-    empire = ("EMPIRE", EnumValue $ Just "Released in 1980.")
-    jedi = ("JEDI", EnumValue $ Just "Released in 1983.")
-
-hero :: Resolve (Either SomeException)
-hero = do
-  episode <- argument "episode"
-  pure $ character $ case episode of
-      Enum "NEW_HOPE" -> getHero 4
-      Enum "EMPIRE" -> getHero 5
-      Enum "JEDI" -> getHero 6
-      _ -> artoo
-
-human :: Resolve (Either SomeException)
-human = do
-    id' <- argument "id"
-    case id' of
-        String i -> pure $ maybe Null character $ getHuman i >>= Just
-        _ -> throwM InvalidArguments
-
-droid :: Resolve (Either SomeException)
-droid = do
-    id' <- argument "id"
-    case id' of
-        String i -> pure $ maybe Null character $ getDroid i >>= Just
-        _ -> throwM InvalidArguments
-
-character :: Character -> Value
-character char = Object $ HashMap.fromList
-    [ ("id", String $ id_ char)
-    , ("name", String $ name_ char)
-    , ("friends", List $ character <$> getFriends char)
-    , ("appearsIn", List $ Enum <$> catMaybes (getEpisode <$> appearsIn char))
-    , ("homePlanet", String $ either mempty homePlanet char)
-    , ("__typename", String $ typeName char)
-    ]