Release 1.4.0.0

... within parens.

.gitea/deploy.awk

@@ -0,0 +1,3 @@
+END {
+    system("cabal upload --username belka --password "ENVIRON["HACKAGE_PASSWORD"]" "$0)
+}

.gitea/workflows/build.yml

@@ -9,28 +9,14 @@ on:
 
 jobs:
   audit:
-    runs-on: haskell
+    runs-on: buildenv
     steps:
-      - name: Set up environment
-        run: |
-          apt-get update -y
-          apt-get upgrade -y
-          apt-get install -y nodejs pkg-config
       - uses: actions/checkout@v4
-      - name: Install dependencies
-        run: |
-          cabal update
-          cabal install hlint "--constraint=hlint ==3.8"
-      - run: cabal exec hlint -- src tests
+      - run: hlint -- src tests
 
   test:
-    runs-on: haskell
+    runs-on: buildenv
     steps:
-      - name: Set up environment
-        run: |
-          apt-get update -y
-          apt-get upgrade -y
-          apt-get install -y nodejs pkg-config
       - uses: actions/checkout@v4
       - name: Install dependencies
         run: cabal update
@@ -39,13 +25,8 @@ jobs:
       - run: cabal test --test-show-details=streaming
 
   doc:
-    runs-on: haskell
+    runs-on: buildenv
     steps:
-      - name: Set up environment
-        run: |
-          apt-get update -y
-          apt-get upgrade -y
-          apt-get install -y nodejs pkg-config
       - uses: actions/checkout@v4
       - name: Install dependencies
         run: cabal update

.gitea/workflows/release.yml

@@ -7,17 +7,11 @@ on:
 
 jobs:
   release:
-    runs-on: haskell
+    runs-on: buildenv
     steps:
-      - name: Set up environment
-        run: |
-          apt-get update -y
-          apt-get upgrade -y
-          apt-get install -y nodejs pkg-config
       - uses: actions/checkout@v4
       - name: Upload a candidate
         env:
           HACKAGE_PASSWORD: ${{ secrets.HACKAGE_PASSWORD }}
         run: |
-          cabal sdist
-          cabal upload --username belka --password ${HACKAGE_PASSWORD}
+          cabal sdist | awk -f .gitea/deploy.awk

CHANGELOG.md

@@ -6,6 +6,20 @@ The format is based on
 and this project adheres to
 [Haskell Package Versioning Policy](https://pvp.haskell.org/).
 
+## [1.4.0.0] - 2024-10-26
+### Changed
+- `Schema.Directive` is extended to contain a boolean argument, representing
+  repeatable directives. The parser can parse repeatable directive definitions.
+  Validation allows repeatable directives.
+- `AST.Document.Directive` is a record.
+- `gql` quasi quoter is deprecated (moved to graphql-spice package).
+
+### Fixed
+- `gql` quasi quoter recognizeds all GraphQL line endings (CR, LF and CRLF).
+
+### Added
+- @specifiedBy directive.
+
 ## [1.3.0.0] - 2024-05-01
 ### Changed
 - Remove deprecated `runCollectErrs`, `Resolution`, `CollectErrsT` from the
@@ -524,6 +538,7 @@ and this project adheres to
 ### Added
 - Data types for the GraphQL language.
 
+[1.4.0.0]: https://git.caraus.tech/OSS/graphql/compare/v1.3.0.0...v1.4.0.0
 [1.3.0.0]: https://git.caraus.tech/OSS/graphql/compare/v1.2.0.3...v1.3.0.0
 [1.2.0.3]: https://git.caraus.tech/OSS/graphql/compare/v1.2.0.2...v1.2.0.3
 [1.2.0.2]: https://git.caraus.tech/OSS/graphql/compare/v1.2.0.1...v1.2.0.2

graphql.cabal

@@ -1,7 +1,7 @@
-cabal-version: 2.4
+cabal-version: 3.0
 
 name:           graphql
-version:        1.3.0.0
+version:        1.4.0.0
 synopsis:       Haskell GraphQL implementation
 description:    Haskell <https://spec.graphql.org/June2018/ GraphQL> implementation.
 category:       Language
@@ -21,8 +21,7 @@ extra-source-files:
   CHANGELOG.md
   README.md
 tested-with:
-  GHC == 9.4.7,
-  GHC == 9.6.3
+  GHC == 9.8.2
 
 source-repository head
   type: git
@@ -58,7 +57,7 @@ library
   ghc-options: -Wall
 
   build-depends:
-    base >= 4.7 && < 5,
+    base >= 4.15 && < 5,
     conduit ^>= 1.3.4,
     containers >= 0.6 && < 0.8,
     exceptions ^>= 0.10.4,
@@ -85,6 +84,7 @@ test-suite graphql-test
     Language.GraphQL.Execute.CoerceSpec
     Language.GraphQL.Execute.OrderedMapSpec
     Language.GraphQL.ExecuteSpec
+    Language.GraphQL.THSpec
     Language.GraphQL.Type.OutSpec
     Language.GraphQL.Validate.RulesSpec
     Schemas.HeroSchema

src/Language/GraphQL/AST/Document.hs

@@ -380,7 +380,11 @@ instance Show NonNullType where
 --
 -- Directives begin with "@", can accept arguments, and can be applied to the
 -- most GraphQL elements, providing additional information.
-data Directive = Directive Name [Argument] Location deriving (Eq, Show)
+data Directive = Directive
+    { name :: Name
+    , arguments :: [Argument]
+    , location :: Location
+    } deriving (Eq, Show)
 
 -- * Type System
 
@@ -405,7 +409,7 @@ data TypeSystemDefinition
     = SchemaDefinition [Directive] (NonEmpty OperationTypeDefinition)
     | TypeDefinition TypeDefinition
     | DirectiveDefinition
-        Description Name ArgumentsDefinition (NonEmpty DirectiveLocation)
+        Description Name ArgumentsDefinition Bool (NonEmpty DirectiveLocation)
     deriving (Eq, Show)
 
 -- ** Type System Extensions

src/Language/GraphQL/AST/Encoder.hs

@@ -159,11 +159,12 @@ typeSystemDefinition formatter = \case
             <> optempty (directives formatter) operationDirectives
             <> bracesList formatter (operationTypeDefinition formatter) (NonEmpty.toList operationTypeDefinitions')
     Full.TypeDefinition typeDefinition' -> typeDefinition formatter typeDefinition'
-    Full.DirectiveDefinition description' name' arguments' locations
+    Full.DirectiveDefinition description' name' arguments' repeatable locations
         -> description formatter description'
         <> "@"
         <> Lazy.Text.fromStrict name'
         <> argumentsDefinition formatter arguments'
+        <> (if repeatable then " repeatable" else mempty)
         <> " on"
         <> pipeList formatter (directiveLocation <$> locations)
 

src/Language/GraphQL/AST/Lexer.hs

@@ -29,7 +29,8 @@ module Language.GraphQL.AST.Lexer
     , unicodeBOM
     ) where
 
-import Control.Applicative (Alternative(..), liftA2)
+import Control.Applicative (Alternative(..))
+import qualified Control.Applicative.Combinators.NonEmpty as NonEmpty
 import Data.Char (chr, digitToInt, isAsciiLower, isAsciiUpper, ord)
 import Data.Foldable (foldl')
 import Data.List (dropWhileEnd)
@@ -37,7 +38,8 @@ import qualified Data.List.NonEmpty as NonEmpty
 import Data.List.NonEmpty (NonEmpty(..))
 import Data.Proxy (Proxy(..))
 import Data.Void (Void)
-import Text.Megaparsec ( Parsec
+import Text.Megaparsec
+    ( Parsec
     , (<?>)
     , between
     , chunk
@@ -47,7 +49,6 @@ import Text.Megaparsec ( Parsec
     , option
     , optional
     , satisfy
-                       , sepBy
     , skipSome
     , takeP
     , takeWhile1P
@@ -142,12 +143,13 @@ blockString :: Parser T.Text
 blockString = between "\"\"\"" "\"\"\"" stringValue <* spaceConsumer
   where
     stringValue = do
-        byLine <- sepBy (many blockStringCharacter) lineTerminator
-        let indentSize = foldr countIndent 0 $ tail byLine
-            withoutIndent = head byLine : (removeIndent indentSize <$> tail byLine)
+        byLine <- NonEmpty.sepBy1 (many blockStringCharacter) lineTerminator
+        let indentSize = foldr countIndent 0 $ NonEmpty.tail byLine
+            withoutIndent = NonEmpty.head byLine
+                : (removeIndent indentSize <$> NonEmpty.tail byLine)
             withoutEmptyLines = liftA2 (.) dropWhile dropWhileEnd removeEmptyLine withoutIndent
 
-        return $ T.intercalate "\n" $ T.concat <$> withoutEmptyLines
+        pure $ T.intercalate "\n" $ T.concat <$> withoutEmptyLines
     removeEmptyLine [] = True
     removeEmptyLine [x] = T.null x || isWhiteSpace (T.head x)
     removeEmptyLine _ = False
@@ -180,8 +182,8 @@ name :: Parser T.Text
 name = do
     firstLetter <- nameFirstLetter
     rest <- many $ nameFirstLetter <|> digitChar
-    _ <- spaceConsumer
-    return $ TL.toStrict $ TL.cons firstLetter $ TL.pack rest
+    void spaceConsumer
+    pure $ TL.toStrict $ TL.cons firstLetter $ TL.pack rest
   where
     nameFirstLetter = satisfy isAsciiUpper <|> satisfy isAsciiLower <|> char '_'
 
@@ -197,25 +199,25 @@ lineTerminator = chunk "\r\n" <|> chunk "\n" <|> chunk "\r"
 isSourceCharacter :: Char -> Bool
 isSourceCharacter = isSourceCharacter' . ord
   where
-    isSourceCharacter' code = code >= 0x0020
-                           || code == 0x0009
-                           || code == 0x000a
-                           || code == 0x000d
+    isSourceCharacter' code
+        = code >= 0x0020
+        || elem code [0x0009, 0x000a, 0x000d]
 
 escapeSequence :: Parser Char
 escapeSequence = do
-    _ <- char '\\'
+    void $ char '\\'
     escaped <- oneOf ['"', '\\', '/', 'b', 'f', 'n', 'r', 't', 'u']
     case escaped of
-        'b' -> return '\b'
-        'f' -> return '\f'
-        'n' -> return '\n'
-        'r' -> return '\r'
-        't' -> return '\t'
-        'u' -> chr . foldl' step 0
+        'b' -> pure '\b'
+        'f' -> pure '\f'
+        'n' -> pure '\n'
+        'r' -> pure '\r'
+        't' -> pure '\t'
+        'u' -> chr
+            . foldl' step 0
             . chunkToTokens (Proxy :: Proxy T.Text)
             <$> takeP Nothing 4
-        _ -> return escaped
+        _ -> pure escaped
   where
     step accumulator = (accumulator * 16 +) . digitToInt
 

src/Language/GraphQL/AST/Parser.hs

@@ -8,7 +8,7 @@ module Language.GraphQL.AST.Parser
     ( document
     ) where
 
-import Control.Applicative (Alternative(..), liftA2, optional)
+import Control.Applicative (Alternative(..), optional)
 import Control.Applicative.Combinators (sepBy1)
 import qualified Control.Applicative.Combinators.NonEmpty as NonEmpty
 import Data.List.NonEmpty (NonEmpty(..))
@@ -27,6 +27,7 @@ import Text.Megaparsec
     , unPos
     , (<?>)
     )
+import Data.Maybe (isJust)
 
 -- | Parser for the GraphQL documents.
 document :: Parser Full.Document
@@ -82,6 +83,7 @@ directiveDefinition description' = Full.DirectiveDefinition description'
     <* at
     <*> name
     <*> argumentsDefinition
+    <*> (isJust <$> optional (symbol "repeatable"))
     <* symbol "on"
     <*> directiveLocations
     <?> "DirectiveDefinition"

src/Language/GraphQL/TH.hs

@@ -12,20 +12,30 @@ import Language.Haskell.TH (Exp(..), Lit(..))
 
 stripIndentation :: String -> String
 stripIndentation code = reverse
-    $ dropNewlines
+    $ dropWhile isLineBreak
     $ reverse
     $ unlines
-    $ indent spaces <$> lines withoutLeadingNewlines
+    $ indent spaces <$> lines' withoutLeadingNewlines
   where
     indent 0 xs = xs
     indent count (' ' : xs) = indent (count - 1) xs
     indent _ xs = xs
-    withoutLeadingNewlines = dropNewlines code
-    dropNewlines = dropWhile $ flip any ['\n', '\r'] . (==)
+    withoutLeadingNewlines = dropWhile isLineBreak code
     spaces = length $ takeWhile (== ' ') withoutLeadingNewlines
+    lines' "" = []
+    lines' string =
+        let (line, rest) = break isLineBreak string
+            reminder =
+                case rest of
+                    [] -> []
+                    '\r' : '\n' : strippedString -> lines' strippedString
+                    _ : strippedString -> lines' strippedString
+         in line : reminder
+    isLineBreak = flip any ['\n', '\r'] . (==)
 
 -- | Removes leading and trailing newlines. Indentation of the first line is
 -- removed from each line of the string.
+{-# DEPRECATED gql "Use Language.GraphQL.Class.gql from graphql-spice instead" #-}
 gql :: QuasiQuoter
 gql = QuasiQuoter
     { quoteExp = pure . LitE . StringL . stripIndentation

src/Language/GraphQL/Type/In.hs

@@ -74,6 +74,7 @@ instance Show Type where
 
 -- | Field argument definition.
 data Argument = Argument (Maybe Text) Type (Maybe Definition.Value)
+    deriving Eq
 
 -- | Field argument definitions.
 type Arguments = HashMap Name Argument

src/Language/GraphQL/Type/Internal.hs

@@ -48,7 +48,11 @@ data Type m
     deriving Eq
 
 -- | Directive definition.
-data Directive = Directive (Maybe Text) [DirectiveLocation] In.Arguments
+--
+-- A definition consists of an optional description, arguments, whether the
+-- directive is repeatable, and the allowed directive locations.
+data Directive = Directive (Maybe Text) In.Arguments Bool [DirectiveLocation]
+    deriving Eq
 
 -- | Directive definitions.
 type Directives = HashMap Full.Name Directive

src/Language/GraphQL/Type/Schema.hs

@@ -85,15 +85,16 @@ schemaWithTypes description' queryRoot mutationRoot subscriptionRoot types' dire
         [ ("skip", skipDirective)
         , ("include", includeDirective)
         , ("deprecated", deprecatedDirective)
+        , ("specifiedBy", specifiedByDirective)
         ]
     includeDirective =
-        Directive includeDescription skipIncludeLocations includeArguments
+        Directive includeDescription includeArguments False skipIncludeLocations
     includeArguments = HashMap.singleton "if"
         $ In.Argument (Just "Included when true.") ifType Nothing
     includeDescription = Just
         "Directs the executor to include this field or fragment only when the \
         \`if` argument is true."
-    skipDirective = Directive skipDescription skipIncludeLocations skipArguments
+    skipDirective = Directive skipDescription skipArguments False skipIncludeLocations
     skipArguments = HashMap.singleton "if"
         $ In.Argument (Just "skipped when true.") ifType Nothing
     ifType = In.NonNullScalarType Definition.boolean
@@ -106,16 +107,15 @@ schemaWithTypes description' queryRoot mutationRoot subscriptionRoot types' dire
         , ExecutableDirectiveLocation DirectiveLocation.InlineFragment
         ]
     deprecatedDirective =
-        Directive deprecatedDescription deprecatedLocations deprecatedArguments
+        Directive deprecatedDescription deprecatedArguments False deprecatedLocations
     reasonDescription = Just
         "Explains why this element was deprecated, usually also including a \
         \suggestion for how to access supported similar data. Formatted using \
         \the Markdown syntax, as specified by \
         \[CommonMark](https://commonmark.org/).'"
     deprecatedArguments = HashMap.singleton "reason"
-        $ In.Argument reasonDescription reasonType
+        $ In.Argument reasonDescription (In.NamedScalarType Definition.string)
         $ Just "No longer supported"
-    reasonType = In.NamedScalarType Definition.string
     deprecatedDescription = Just
         "Marks an element of a GraphQL schema as no longer supported."
     deprecatedLocations =
@@ -124,6 +124,16 @@ schemaWithTypes description' queryRoot mutationRoot subscriptionRoot types' dire
         , TypeSystemDirectiveLocation DirectiveLocation.InputFieldDefinition
         , TypeSystemDirectiveLocation DirectiveLocation.EnumValue
         ]
+    specifiedByDirective =
+        Directive specifiedByDescription specifiedByArguments False specifiedByLocations
+    urlDescription = Just
+        "The URL that specifies the behavior of this scalar."
+    specifiedByArguments = HashMap.singleton "url"
+        $ In.Argument urlDescription (In.NonNullScalarType Definition.string) Nothing
+    specifiedByDescription = Just
+        "Exposes a URL that specifies the behavior of this scalar."
+    specifiedByLocations =
+        [TypeSystemDirectiveLocation DirectiveLocation.Scalar]
 
 -- | Traverses the schema and finds all referenced types.
 collectReferencedTypes :: forall m

src/Language/GraphQL/Validate.hs

@@ -200,7 +200,7 @@ typeSystemDefinition context rule = \case
         directives context rule schemaLocation directives'
     Full.TypeDefinition typeDefinition' ->
         typeDefinition context rule typeDefinition'
-    Full.DirectiveDefinition _ _ arguments' _ ->
+    Full.DirectiveDefinition _ _ arguments' _ _ ->
         argumentsDefinition context rule arguments'
 
 typeDefinition :: forall m. Validation m -> ApplyRule m Full.TypeDefinition
@@ -482,4 +482,4 @@ directive context rule (Full.Directive directiveName arguments' _) =
             $ Validation.schema context
      in arguments rule argumentTypes arguments'
   where
-    directiveArguments (Schema.Directive _ _ argumentTypes) = argumentTypes
+    directiveArguments (Schema.Directive _ argumentTypes _ _) = argumentTypes

src/Language/GraphQL/Validate/Rules.hs

@@ -50,14 +50,15 @@ import Control.Monad.Trans.Class (MonadTrans(..))
 import Control.Monad.Trans.Reader (ReaderT(..), ask, asks, mapReaderT)
 import Control.Monad.Trans.State (StateT, evalStateT, gets, modify)
 import Data.Bifunctor (first)
-import Data.Foldable (find, fold, foldl', toList)
+import Data.Foldable (Foldable(..), find)
 import qualified Data.HashMap.Strict as HashMap
 import Data.HashMap.Strict (HashMap)
 import Data.HashSet (HashSet)
 import qualified Data.HashSet as HashSet
-import Data.List (groupBy, sortBy, sortOn)
+import Data.List (sortBy)
 import Data.Maybe (fromMaybe, isJust, isNothing, mapMaybe)
 import Data.List.NonEmpty (NonEmpty(..))
+import qualified Data.List.NonEmpty as NonEmpty
 import Data.Ord (comparing)
 import Data.Sequence (Seq(..), (|>))
 import qualified Data.Sequence as Seq
@@ -253,14 +254,16 @@ findDuplicates :: (Full.Definition -> [Full.Location] -> [Full.Location])
     -> Full.Location
     -> String
     -> RuleT m
-findDuplicates filterByName thisLocation errorMessage = do
-    ast' <- asks ast
-    let locations' = foldr filterByName [] ast'
-    if length locations' > 1 && head locations' == thisLocation
-        then pure $ error' locations'
-        else lift mempty
+findDuplicates filterByName thisLocation errorMessage =
+    asks ast >>= go . foldr filterByName []
   where
-    error' locations' = Error 
+    go locations' =
+        case locations' of
+            headLocation : otherLocations -- length locations' > 1
+                | not $ null otherLocations
+                , headLocation == thisLocation -> pure $ makeError locations'
+            _ -> lift mempty
+    makeError locations' = Error
         { message = errorMessage
         , locations = locations'
         }
@@ -530,16 +533,20 @@ uniqueArgumentNamesRule = ArgumentsRule fieldRule directiveRule
 -- used, the expected metadata or behavior becomes ambiguous, therefore only one
 -- of each directive is allowed per location.
 uniqueDirectiveNamesRule :: forall m. Rule m
-uniqueDirectiveNamesRule = DirectivesRule
-    $ const $ lift . filterDuplicates extract "directive"
+uniqueDirectiveNamesRule = DirectivesRule $ const $ \directives' -> do
+    definitions' <- asks $ Schema.directives . schema
+    let filterNonRepeatable = flip HashSet.member nonRepeatableSet
+            . getField @"name"
+        nonRepeatableSet =
+            HashMap.foldlWithKey foldNonRepeatable HashSet.empty definitions'
+    lift $ filterDuplicates extract "directive"
+        $ filter filterNonRepeatable directives'
   where
-    extract (Full.Directive directiveName _ location') =
-        (directiveName, location')
-
-groupSorted :: forall a. (a -> Text) -> [a] -> [[a]]
-groupSorted getName = groupBy equalByName . sortOn getName
-  where
-    equalByName lhs rhs = getName lhs == getName rhs
+    foldNonRepeatable  hashSet directiveName' (Schema.Directive _ _ False _) =
+        HashSet.insert directiveName' hashSet
+    foldNonRepeatable hashSet _ _ = hashSet
+    extract (Full.Directive directiveName' _ location') =
+        (directiveName', location')
 
 filterDuplicates :: forall a
     . (a -> (Text, Full.Location))
@@ -549,12 +556,12 @@ filterDuplicates :: forall a
 filterDuplicates extract nodeType = Seq.fromList
     . fmap makeError
     . filter ((> 1) . length)
-    . groupSorted getName
+    . NonEmpty.groupAllWith getName
   where
     getName = fst . extract
     makeError directives' = Error
-        { message = makeMessage $ head directives'
-        , locations = snd . extract <$> directives'
+        { message = makeMessage $ NonEmpty.head directives'
+        , locations = snd . extract <$> toList directives'
         }
     makeMessage directive = concat
         [ "There can be only one "
@@ -833,7 +840,7 @@ knownArgumentNamesRule = ArgumentsRule fieldRule directiveRule
             . Schema.directives . schema
         Full.Argument argumentName _ location' <- lift $ Seq.fromList arguments
         case available of
-            Just (Schema.Directive _ _ definitions)
+            Just (Schema.Directive _ definitions _ _)
                 | not $ HashMap.member argumentName definitions ->
                     pure $ makeError argumentName directiveName location'
             _ -> lift mempty
@@ -854,18 +861,18 @@ knownArgumentNamesRule = ArgumentsRule fieldRule directiveRule
 knownDirectiveNamesRule :: Rule m
 knownDirectiveNamesRule = DirectivesRule $ const $ \directives' -> do
     definitions' <- asks $ Schema.directives . schema
-    let directiveSet = HashSet.fromList $ fmap directiveName directives'
-    let definitionSet = HashSet.fromList $ HashMap.keys definitions'
-    let difference = HashSet.difference directiveSet definitionSet
-    let undefined' = filter (definitionFilter difference) directives'
+    let directiveSet = HashSet.fromList $ fmap (getField @"name") directives'
+        definitionSet = HashSet.fromList $ HashMap.keys definitions'
+        difference = HashSet.difference directiveSet definitionSet
+        undefined' = filter (definitionFilter difference) directives'
     lift $ Seq.fromList $ makeError <$> undefined'
   where
+    definitionFilter :: HashSet Full.Name -> Full.Directive -> Bool
     definitionFilter difference = flip HashSet.member difference
-        . directiveName
-    directiveName (Full.Directive directiveName' _ _) = directiveName'
-    makeError (Full.Directive directiveName' _ location') = Error
-        { message = errorMessage directiveName'
-        , locations = [location']
+        . getField @"name"
+    makeError Full.Directive{..} = Error
+        { message = errorMessage name
+        , locations = [location]
         }
     errorMessage directiveName' = concat
         [ "Unknown directive \"@"
@@ -913,7 +920,7 @@ directivesInValidLocationsRule = DirectivesRule directivesRule
         maybeDefinition <- asks
             $ HashMap.lookup directiveName . Schema.directives . schema
         case maybeDefinition of
-            Just (Schema.Directive _ allowedLocations _)
+            Just (Schema.Directive _ _ _ allowedLocations)
                 | directiveLocation `notElem` allowedLocations -> pure $ Error
                     { message = errorMessage directiveName directiveLocation
                     , locations = [location]
@@ -943,7 +950,7 @@ providedRequiredArgumentsRule = ArgumentsRule fieldRule directiveRule
         available <- asks
             $ HashMap.lookup directiveName . Schema.directives . schema
         case available of
-            Just (Schema.Directive _ _ definitions) ->
+            Just (Schema.Directive _ definitions _ _) ->
                 let forEach = go (directiveMessage directiveName) arguments location'
                  in lift $ HashMap.foldrWithKey forEach Seq.empty definitions
             _ -> lift mempty
@@ -1411,7 +1418,7 @@ variablesInAllowedPositionRule = OperationDefinitionRule $ \case
         let Full.Directive directiveName arguments _ = directive
         directiveDefinitions <- lift $ asks $ Schema.directives . schema
         case HashMap.lookup directiveName directiveDefinitions of
-            Just (Schema.Directive _ _ directiveArguments) ->
+            Just (Schema.Directive _ directiveArguments _ _) ->
                 mapArguments variables directiveArguments arguments
             Nothing -> pure mempty
     mapArguments variables argumentTypes = fmap fold

tests/Language/GraphQL/AST/Arbitrary.hs

@@ -1,15 +1,26 @@
 {-# LANGUAGE OverloadedStrings #-}
 
-module Language.GraphQL.AST.Arbitrary where
+module Language.GraphQL.AST.Arbitrary
+    ( AnyArgument(..)
+    , AnyLocation(..)
+    , AnyName(..)
+    , AnyNode(..)
+    , AnyObjectField(..)
+    , AnyValue(..)
+    , printArgument
+    ) where
 
 import qualified Language.GraphQL.AST.Document as Doc
 import Test.QuickCheck.Arbitrary (Arbitrary (arbitrary))
 import Test.QuickCheck (oneof, elements, listOf, resize, NonEmptyList (..))
 import Test.QuickCheck.Gen (Gen (..))
-import Data.Text (Text, pack)
+import Data.Text (Text)
+import qualified Data.Text as Text
 import Data.Functor ((<&>))
 
-newtype AnyPrintableChar = AnyPrintableChar { getAnyPrintableChar :: Char } deriving (Eq, Show)
+newtype AnyPrintableChar = AnyPrintableChar
+    { getAnyPrintableChar :: Char
+    } deriving (Eq, Show)
 
 alpha :: String
 alpha = ['a'..'z'] <> ['A'..'Z']
@@ -22,28 +33,40 @@ instance Arbitrary AnyPrintableChar where
         where
            chars = alpha <> num <> ['_']
 
-newtype AnyPrintableText = AnyPrintableText { getAnyPrintableText :: Text } deriving (Eq, Show)
+newtype AnyPrintableText = AnyPrintableText
+    { getAnyPrintableText :: Text
+    } deriving (Eq, Show)
 
 instance Arbitrary AnyPrintableText where
     arbitrary = do
         nonEmptyStr <- getNonEmpty <$> (arbitrary :: Gen (NonEmptyList AnyPrintableChar))
-        pure $ AnyPrintableText (pack $ map getAnyPrintableChar nonEmptyStr)
+        pure $ AnyPrintableText
+            $ Text.pack
+            $ map getAnyPrintableChar nonEmptyStr
 
 -- https://spec.graphql.org/June2018/#Name
-newtype AnyName = AnyName { getAnyName :: Text } deriving (Eq, Show)
+newtype AnyName = AnyName
+    { getAnyName :: Text
+    } deriving (Eq, Show)
 
 instance Arbitrary AnyName where
     arbitrary = do
         firstChar <- elements $ alpha <> ['_']
         rest <- (arbitrary :: Gen [AnyPrintableChar])
-        pure $ AnyName (pack $ firstChar : map getAnyPrintableChar rest)
+        pure $ AnyName
+            $ Text.pack
+            $ firstChar : map getAnyPrintableChar rest
 
-newtype AnyLocation = AnyLocation { getAnyLocation :: Doc.Location } deriving (Eq, Show)
+newtype AnyLocation = AnyLocation
+    { getAnyLocation :: Doc.Location
+    } deriving (Eq, Show)
 
 instance Arbitrary AnyLocation where
     arbitrary = AnyLocation <$> (Doc.Location <$> arbitrary <*> arbitrary)
 
-newtype AnyNode a = AnyNode { getAnyNode :: Doc.Node a } deriving (Eq, Show)
+newtype AnyNode a = AnyNode
+    { getAnyNode :: Doc.Node a
+    } deriving (Eq, Show)
 
 instance Arbitrary a => Arbitrary (AnyNode a) where
     arbitrary = do
@@ -51,7 +74,9 @@ instance Arbitrary a => Arbitrary (AnyNode a) where
         node' <- flip Doc.Node location' <$> arbitrary
         pure $ AnyNode node'
 
-newtype AnyObjectField a = AnyObjectField { getAnyObjectField :: Doc.ObjectField a } deriving (Eq, Show)
+newtype AnyObjectField a = AnyObjectField
+    { getAnyObjectField :: Doc.ObjectField a
+    } deriving (Eq, Show)
 
 instance Arbitrary a => Arbitrary (AnyObjectField a) where
     arbitrary = do
@@ -60,8 +85,9 @@ instance Arbitrary a => Arbitrary (AnyObjectField a) where
         location' <- getAnyLocation <$> arbitrary
         pure $ AnyObjectField $ Doc.ObjectField name' value' location'
 
-newtype AnyValue = AnyValue { getAnyValue :: Doc.Value }
-    deriving (Eq, Show)
+newtype AnyValue = AnyValue
+    { getAnyValue :: Doc.Value
+    } deriving (Eq, Show)
 
 instance Arbitrary AnyValue
   where
@@ -88,8 +114,9 @@ instance Arbitrary AnyValue
             , Doc.Object <$> objectGen
             ]
 
-newtype AnyArgument a = AnyArgument { getAnyArgument :: Doc.Argument }
-    deriving (Eq, Show)
+newtype AnyArgument a = AnyArgument
+    { getAnyArgument :: Doc.Argument
+    } deriving (Eq, Show)
 
 instance Arbitrary a => Arbitrary (AnyArgument a) where
     arbitrary = do
@@ -99,4 +126,5 @@ instance Arbitrary a => Arbitrary (AnyArgument a) where
         pure $ AnyArgument $ Doc.Argument name' (Doc.Node value' location') location'
 
 printArgument :: AnyArgument AnyValue -> Text
-printArgument (AnyArgument (Doc.Argument name' (Doc.Node value' _) _)) = name' <> ": " <> (pack . show) value'
+printArgument (AnyArgument (Doc.Argument name' (Doc.Node value' _) _)) =
+    name' <> ": " <> (Text.pack . show) value'

tests/Language/GraphQL/AST/EncoderSpec.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE QuasiQuotes #-}
 module Language.GraphQL.AST.EncoderSpec
     ( spec
     ) where
@@ -7,20 +6,17 @@ module Language.GraphQL.AST.EncoderSpec
 import Data.List.NonEmpty (NonEmpty(..))
 import qualified Language.GraphQL.AST.Document as Full
 import Language.GraphQL.AST.Encoder
-import Language.GraphQL.TH
 import Test.Hspec (Spec, context, describe, it, shouldBe, shouldStartWith, shouldEndWith, shouldNotContain)
 import Test.QuickCheck (choose, oneof, forAll)
 import qualified Data.Text.Lazy as Text.Lazy
+import qualified Language.GraphQL.AST.DirectiveLocation as DirectiveLocation
 
 spec :: Spec
 spec = do
     describe "value" $ do
-        context "null value" $ do
-            let testNull formatter = value formatter Full.Null `shouldBe` "null"
-            it "minified" $ testNull minified
-            it "pretty" $ testNull pretty
-
         context "minified" $ do
+            it "encodes null" $
+                value minified Full.Null `shouldBe` "null"
             it "escapes \\" $
                 value minified (Full.String "\\") `shouldBe` "\"\\\\\""
             it "escapes double quotes" $
@@ -46,113 +42,95 @@ spec = do
                 it "~" $ value minified (Full.String "\x007E") `shouldBe` "\"~\""
 
         context "pretty" $ do
+            it "encodes null" $
+                value pretty Full.Null `shouldBe` "null"
+
             it "uses strings for short string values" $
                 value pretty (Full.String "Short text") `shouldBe` "\"Short text\""
             it "uses block strings for text with new lines, with newline symbol" $
-                let expected = [gql|
-                  """
-                    Line 1
-                    Line 2
-                  """
-                |]
+                let expected = "\"\"\"\n\
+                        \  Line 1\n\
+                        \  Line 2\n\
+                        \\"\"\""
                     actual = value pretty $ Full.String "Line 1\nLine 2"
                  in actual `shouldBe` expected
             it "uses block strings for text with new lines, with CR symbol" $
-                let expected = [gql|
-                  """
-                    Line 1
-                    Line 2
-                  """
-                |]
+                let expected = "\"\"\"\n\
+                        \  Line 1\n\
+                        \  Line 2\n\
+                        \\"\"\""
                     actual = value pretty $ Full.String "Line 1\rLine 2"
                  in actual `shouldBe` expected
             it "uses block strings for text with new lines, with CR symbol followed by newline" $
-                let expected = [gql|
-                  """
-                    Line 1
-                    Line 2
-                  """
-                |]
+                let expected = "\"\"\"\n\
+                        \  Line 1\n\
+                        \  Line 2\n\
+                        \\"\"\""
                     actual = value pretty $ Full.String "Line 1\r\nLine 2"
                  in actual `shouldBe` expected
             it "encodes as one line string if has escaped symbols" $ do
-                let
-                  genNotAllowedSymbol = oneof
+                let genNotAllowedSymbol = oneof
                         [ choose ('\x0000', '\x0008')
                         , choose ('\x000B', '\x000C')
                         , choose ('\x000E', '\x001F')
                         , pure '\x007F'
                         ]
-
                 forAll genNotAllowedSymbol $ \x -> do
-                    let
-                      rawValue = "Short \n" <> Text.Lazy.cons x "text"
-                      encoded = value pretty
-                          $ Full.String $ Text.Lazy.toStrict rawValue
-                    shouldStartWith (Text.Lazy.unpack encoded) "\""
-                    shouldEndWith (Text.Lazy.unpack encoded) "\""
-                    shouldNotContain (Text.Lazy.unpack encoded) "\"\"\""
+                    let rawValue = "Short \n" <> Text.Lazy.cons x "text"
+                        encoded = Text.Lazy.unpack
+                            $ value pretty
+                            $ Full.String
+                            $ Text.Lazy.toStrict rawValue
+                    shouldStartWith encoded "\""
+                    shouldEndWith encoded "\""
+                    shouldNotContain encoded "\"\"\""
 
             it "Hello world" $
                 let actual = value pretty
                         $ Full.String "Hello,\n  World!\n\nYours,\n  GraphQL."
-                    expected = [gql|
-                      """
-                        Hello,
-                          World!
-
-                        Yours,
-                          GraphQL.
-                      """
-                    |]
+                    expected = "\"\"\"\n\
+                        \  Hello,\n\
+                        \    World!\n\
+                        \\n\
+                        \  Yours,\n\
+                        \    GraphQL.\n\
+                        \\"\"\""
                   in actual `shouldBe` expected
 
             it "has only newlines" $
                 let actual = value pretty $ Full.String "\n"
-                    expected = [gql|
-                      """
-
-
-                      """
-                    |]
+                    expected = "\"\"\"\n\n\n\"\"\""
                  in actual `shouldBe` expected
             it "has newlines and one symbol at the begining" $
                 let actual = value pretty $ Full.String "a\n\n"
-                    expected = [gql|
-                      """
-                        a
-
-
-                      """|]
+                    expected = "\"\"\"\n\
+                        \  a\n\
+                        \\n\
+                        \\n\
+                        \\"\"\""
                  in actual `shouldBe` expected
             it "has newlines and one symbol at the end" $
                 let actual = value pretty $ Full.String "\n\na"
-                    expected = [gql|
-                      """
-
-
-                        a
-                      """
-                    |]
+                    expected = "\"\"\"\n\
+                        \\n\
+                        \\n\
+                        \  a\n\
+                        \\"\"\""
                  in actual `shouldBe` expected
             it "has newlines and one symbol in the middle" $
                 let actual = value pretty $ Full.String "\na\n"
-                    expected = [gql|
-                      """
-
-                        a
-
-                      """
-                    |]
+                    expected = "\"\"\"\n\
+                        \\n\
+                        \  a\n\
+                        \\n\
+                        \\"\"\""
                  in actual `shouldBe` expected
             it "skip trailing whitespaces" $
                 let actual = value pretty $ Full.String "  Short\ntext    "
-                    expected = [gql|
-                      """
-                        Short
-                        text
-                      """
-                    |]
+                    expected = "\"\"\"\n\
+                        \  Short\n\
+                        \  text\n\
+                        \\"\"\""
                  in actual `shouldBe` expected
 
     describe "definition" $
@@ -164,14 +142,12 @@ spec = do
                 fieldSelection = pure $ Full.FieldSelection field
                 operation = Full.DefinitionOperation
                     $ Full.SelectionSet fieldSelection location
-                expected = Text.Lazy.snoc [gql|
-                  {
-                    field(message: """
-                      line1
-                      line2
-                    """)
-                  }
-                |] '\n'
+                expected = "{\n\
+                    \  field(message: \"\"\"\n\
+                    \    line1\n\
+                    \    line2\n\
+                    \  \"\"\")\n\
+                    \}\n"
                 actual = definition pretty operation
              in actual `shouldBe` expected
 
@@ -186,12 +162,10 @@ spec = do
                 mutationType = Full.OperationTypeDefinition Full.Mutation "MutationType"
                 operations = queryType :| pure mutationType
                 definition' = Full.SchemaDefinition [] operations
-                expected = Text.Lazy.snoc [gql|
-                  schema {
-                    query: QueryRootType
-                    mutation: MutationType
-                  }
-                |] '\n'
+                expected = "schema {\n\
+                    \  query: QueryRootType\n\
+                    \  mutation: MutationType\n\
+                    \}\n"
                 actual = typeSystemDefinition pretty definition'
              in actual `shouldBe` expected
 
@@ -210,11 +184,9 @@ spec = do
                     $ Full.InterfaceTypeDefinition mempty "UUID" mempty
                     $ pure
                     $ Full.FieldDefinition mempty "value" arguments someType mempty
-                expected = [gql|
-                  interface UUID {
-                    value(arg: String): String
-                  }
-                |]
+                expected = "interface UUID {\n\
+                    \  value(arg: String): String\n\
+                    \}"
                 actual = typeSystemDefinition pretty definition'
              in actual `shouldBe` expected
 
@@ -222,11 +194,9 @@ spec = do
             let definition' = Full.TypeDefinition
                     $ Full.UnionTypeDefinition mempty "SearchResult" mempty
                     $ Full.UnionMemberTypes ["Photo", "Person"]
-                expected = [gql|
-                  union SearchResult =
-                    | Photo
-                    | Person
-                |]
+                expected = "union SearchResult =\n\
+                    \  | Photo\n\
+                    \  | Person"
                 actual = typeSystemDefinition pretty definition'
              in actual `shouldBe` expected
 
@@ -239,14 +209,12 @@ spec = do
                     ]
                 definition' = Full.TypeDefinition
                     $ Full.EnumTypeDefinition mempty "Direction" mempty values
-                expected = [gql|
-                  enum Direction {
-                    NORTH
-                    EAST
-                    SOUTH
-                    WEST
-                  }
-                |]
+                expected = "enum Direction {\n\
+                    \  NORTH\n\
+                    \  EAST\n\
+                    \  SOUTH\n\
+                    \  WEST\n\
+                    \}"
                 actual = typeSystemDefinition pretty definition'
              in actual `shouldBe` expected
 
@@ -259,11 +227,28 @@ spec = do
                     ]
                 definition' = Full.TypeDefinition
                     $ Full.InputObjectTypeDefinition mempty "ExampleInputObject" mempty fields
-                expected = [gql|
-                  input ExampleInputObject {
-                    a: String
-                    b: Int!
-                  }
-                |]
+                expected = "input ExampleInputObject {\n\
+                    \  a: String\n\
+                    \  b: Int!\n\
+                    \}"
+                actual = typeSystemDefinition pretty definition'
+             in actual `shouldBe` expected
+
+        context "directive definition" $ do
+            it "encodes a directive definition" $ do
+                let definition' = Full.DirectiveDefinition mempty "example" mempty False
+                        $ pure
+                        $ DirectiveLocation.ExecutableDirectiveLocation DirectiveLocation.Field
+                    expected = "@example() on\n\
+                        \  | FIELD"
+                    actual = typeSystemDefinition pretty definition'
+                 in actual `shouldBe` expected
+
+            it "encodes a repeatable directive definition" $ do
+                let definition' = Full.DirectiveDefinition mempty "example" mempty True
+                        $ pure
+                        $ DirectiveLocation.ExecutableDirectiveLocation DirectiveLocation.Field
+                    expected = "@example() repeatable on\n\
+                        \  | FIELD"
                     actual = typeSystemDefinition pretty definition'
                  in actual `shouldBe` expected

tests/Language/GraphQL/AST/LexerSpec.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE QuasiQuotes #-}
 module Language.GraphQL.AST.LexerSpec
     ( spec
     ) where
@@ -7,7 +6,6 @@ module Language.GraphQL.AST.LexerSpec
 import Data.Text (Text)
 import Data.Void (Void)
 import Language.GraphQL.AST.Lexer
-import Language.GraphQL.TH
 import Test.Hspec (Spec, context, describe, it)
 import Test.Hspec.Megaparsec (shouldParse, shouldFailOn, shouldSucceedOn)
 import Text.Megaparsec (ParseErrorBundle, parse)
@@ -19,38 +17,39 @@ spec = describe "Lexer" $ do
             parse unicodeBOM "" `shouldSucceedOn` "\xfeff"
 
         it "lexes strings" $ do
-            parse string "" [gql|"simple"|] `shouldParse` "simple"
-            parse string "" [gql|" white space "|] `shouldParse` " white space "
-            parse string "" [gql|"quote \""|] `shouldParse` [gql|quote "|]
-            parse string "" [gql|"escaped \n"|] `shouldParse` "escaped \n"
-            parse string "" [gql|"slashes \\ \/"|] `shouldParse` [gql|slashes \ /|]
-            parse string "" [gql|"unicode \u1234\u5678\u90AB\uCDEF"|]
+            parse string "" "\"simple\"" `shouldParse` "simple"
+            parse string "" "\" white space \"" `shouldParse` " white space "
+            parse string "" "\"quote \\\"\"" `shouldParse` "quote \""
+            parse string "" "\"escaped \\n\"" `shouldParse` "escaped \n"
+            parse string "" "\"slashes \\\\ \\/\"" `shouldParse` "slashes \\ /"
+            parse string "" "\"unicode \\u1234\\u5678\\u90AB\\uCDEF\""
                 `shouldParse` "unicode ሴ噸邫췯"
 
         it "lexes block string" $ do
-            parse blockString "" [gql|"""simple"""|] `shouldParse` "simple"
-            parse blockString "" [gql|""" white space """|]
+            parse blockString "" "\"\"\"simple\"\"\"" `shouldParse` "simple"
+            parse blockString "" "\"\"\" white space \"\"\""
                 `shouldParse` " white space "
-            parse blockString "" [gql|"""contains " quote"""|]
-                `shouldParse` [gql|contains " quote|]
-            parse blockString "" [gql|"""contains \""" triplequote"""|]
-                `shouldParse` [gql|contains """ triplequote|]
+            parse blockString "" "\"\"\"contains \" quote\"\"\""
+                `shouldParse` "contains \" quote"
+            parse blockString "" "\"\"\"contains \\\"\"\" triplequote\"\"\""
+                `shouldParse` "contains \"\"\" triplequote"
             parse blockString "" "\"\"\"multi\nline\"\"\"" `shouldParse` "multi\nline"
             parse blockString "" "\"\"\"multi\rline\r\nnormalized\"\"\""
                 `shouldParse` "multi\nline\nnormalized"
             parse blockString "" "\"\"\"multi\rline\r\nnormalized\"\"\""
                 `shouldParse` "multi\nline\nnormalized"
-            parse blockString "" [gql|"""unescaped \n\r\b\t\f\u1234"""|]
-                `shouldParse` [gql|unescaped \n\r\b\t\f\u1234|]
-            parse blockString "" [gql|"""slashes \\ \/"""|]
-                `shouldParse` [gql|slashes \\ \/|]
-            parse blockString "" [gql|"""
-
-                spans
-                  multiple
-                    lines
-
-                """|] `shouldParse` "spans\n  multiple\n    lines"
+            parse blockString "" "\"\"\"unescaped \\n\\r\\b\\t\\f\\u1234\"\"\""
+                `shouldParse` "unescaped \\n\\r\\b\\t\\f\\u1234"
+            parse blockString "" "\"\"\"slashes \\\\ \\/\"\"\""
+                `shouldParse` "slashes \\\\ \\/"
+            parse blockString "" "\"\"\"\n\
+                \\n\
+                \  spans\n\
+                \    multiple\n\
+                \      lines\n\
+                \\n\
+                \\"\"\""
+                `shouldParse` "spans\n  multiple\n    lines"
 
         it "lexes numbers" $ do
             parse integer "" "4" `shouldParse` (4 :: Int)
@@ -84,7 +83,7 @@ spec = describe "Lexer" $ do
 
     context "Implementation tests" $ do
         it "lexes empty block strings" $
-            parse blockString "" [gql|""""""|] `shouldParse` ""
+            parse blockString "" "\"\"\"\"\"\"" `shouldParse` ""
         it "lexes ampersand" $
             parse amp "" "&" `shouldParse` "&"
         it "lexes schema extensions" $

tests/Language/GraphQL/AST/ParserSpec.hs

@@ -1,18 +1,20 @@
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE QuasiQuotes #-}
 module Language.GraphQL.AST.ParserSpec
     ( spec
     ) where
 
 import Data.List.NonEmpty (NonEmpty(..))
-import Data.Text (Text)
 import qualified Data.Text as Text
 import Language.GraphQL.AST.Document
 import qualified Language.GraphQL.AST.DirectiveLocation as DirLoc
 import Language.GraphQL.AST.Parser
-import Language.GraphQL.TH
 import Test.Hspec (Spec, describe, it, context)
-import Test.Hspec.Megaparsec (shouldParse, shouldFailOn, shouldSucceedOn)
+import Test.Hspec.Megaparsec
+    ( shouldParse
+    , shouldFailOn
+    , parseSatisfies
+    , shouldSucceedOn
+    )
 import Text.Megaparsec (parse)
 import Test.QuickCheck (property, NonEmptyList (..), mapSize)
 import Language.GraphQL.AST.Arbitrary
@@ -24,181 +26,153 @@ spec = describe "Parser" $ do
 
     context "Arguments" $ do
         it "accepts block strings as argument" $
-           parse document "" `shouldSucceedOn` [gql|{
-                 hello(text: """Argument""")
-               }|]
+            parse document "" `shouldSucceedOn`
+                "{ hello(text: \"\"\"Argument\"\"\") }"
 
         it "accepts strings as argument" $
-           parse document "" `shouldSucceedOn` [gql|{
-                 hello(text: "Argument")
-               }|]
+            parse document "" `shouldSucceedOn` "{ hello(text: \"Argument\") }"
 
-       it "accepts int as argument1" $
-           parse document "" `shouldSucceedOn` [gql|{
-                 user(id: 4)
-               }|]
+        it "accepts int as argument" $
+            parse document "" `shouldSucceedOn` "{ user(id: 4) }"
 
         it "accepts boolean as argument" $
-           parse document "" `shouldSucceedOn` [gql|{
-                 hello(flag: true) { field1 }
-               }|]
+            parse document "" `shouldSucceedOn`
+                "{ hello(flag: true) { field1 } }"
 
         it "accepts float as argument" $
-           parse document "" `shouldSucceedOn` [gql|{
-                 body(height: 172.5) { height }
-               }|]
+            parse document "" `shouldSucceedOn`
+                "{ body(height: 172.5) { height } }"
 
         it "accepts empty list as argument" $
-           parse document "" `shouldSucceedOn` [gql|{
-                 query(list: []) { field1 }
-               }|]
+            parse document "" `shouldSucceedOn` "{ query(list: []) { field1 } }"
 
         it "accepts two required arguments" $
-           parse document "" `shouldSucceedOn` [gql|
-               mutation auth($username: String!, $password: String!){
-                 test
-               }|]
+            parse document "" `shouldSucceedOn`
+                "mutation auth($username: String!, $password: String!) { test }"
 
         it "accepts two string arguments" $
-           parse document "" `shouldSucceedOn` [gql|
-               mutation auth{
-                 test(username: "username", password: "password")
-               }|]
+            parse document "" `shouldSucceedOn`
+                "mutation auth { test(username: \"username\", password: \"password\") }"
 
         it "accepts two block string arguments" $
-           parse document "" `shouldSucceedOn` [gql|
-               mutation auth{
-                 test(username: """username""", password: """password""")
-               }|]
+            let given = "mutation auth {\n\
+                    \  test(username: \"\"\"username\"\"\", password: \"\"\"password\"\"\")\n\
+                    \}"
+             in parse document "" `shouldSucceedOn` given
+
+        it "fails to parse an empty argument list in parens" $
+            parse document "" `shouldFailOn` "{ test() }"
 
         it "accepts any arguments" $ mapSize (const 10) $ property $ \xs ->
-            let
-                query' :: Text
-                arguments = map printArgument $ getNonEmpty (xs :: NonEmptyList (AnyArgument AnyValue))
-                query' = "query(" <> Text.intercalate ", " arguments <> ")" in
-            parse document "" `shouldSucceedOn` ("{ " <> query' <> " }")
+            let arguments' = map printArgument
+                    $ getNonEmpty (xs :: NonEmptyList (AnyArgument AnyValue))
+                query' = "query(" <> Text.intercalate ", " arguments' <> ")"
+             in parse document "" `shouldSucceedOn` ("{ " <> query' <> " }")
 
     it "parses minimal schema definition" $
-        parse document "" `shouldSucceedOn` [gql|schema { query: Query }|]
+        parse document "" `shouldSucceedOn` "schema { query: Query }"
 
     it "parses minimal scalar definition" $
-        parse document "" `shouldSucceedOn` [gql|scalar Time|]
+        parse document "" `shouldSucceedOn` "scalar Time"
 
     it "parses ImplementsInterfaces" $
-        parse document "" `shouldSucceedOn` [gql|
-            type Person implements NamedEntity & ValuedEntity {
-              name: String
-            }
-        |]
+        parse document "" `shouldSucceedOn`
+            "type Person implements NamedEntity & ValuedEntity {\n\
+            \  name: String\n\
+            \}"
 
     it "parses a  type without ImplementsInterfaces" $
-        parse document "" `shouldSucceedOn` [gql|
-            type Person {
-              name: String
-            }
-        |]
+        parse document "" `shouldSucceedOn`
+            "type Person {\n\
+            \  name: String\n\
+            \}"
 
     it "parses ArgumentsDefinition in an ObjectDefinition" $
-        parse document "" `shouldSucceedOn` [gql|
-            type Person {
-              name(first: String, last: String): String
-            }
-        |]
+        parse document "" `shouldSucceedOn`
+            "type Person {\n\
+            \  name(first: String, last: String): String\n\
+            \}"
 
     it "parses minimal union type definition" $
-        parse document "" `shouldSucceedOn` [gql|
-            union SearchResult = Photo | Person
-        |]
+        parse document "" `shouldSucceedOn`
+            "union SearchResult = Photo | Person"
 
     it "parses minimal interface type definition" $
-        parse document "" `shouldSucceedOn` [gql|
-            interface NamedEntity {
-              name: String
-            }
-        |]
+        parse document "" `shouldSucceedOn`
+            "interface NamedEntity {\n\
+            \  name: String\n\
+            \}"
 
     it "parses minimal enum type definition" $
-        parse document "" `shouldSucceedOn` [gql|
-            enum Direction {
-              NORTH
-              EAST
-              SOUTH
-              WEST
-            }
-        |]
+        parse document "" `shouldSucceedOn`
+            "enum Direction {\n\
+            \  NORTH\n\
+            \  EAST\n\
+            \  SOUTH\n\
+            \  WEST\n\
+            \}"
 
     it "parses minimal input object type definition" $
-        parse document "" `shouldSucceedOn` [gql|
-            input Point2D {
-              x: Float
-              y: Float
-            }
-        |]
+        parse document "" `shouldSucceedOn`
+            "input Point2D {\n\
+            \  x: Float\n\
+            \  y: Float\n\
+            \}"
 
     it "parses minimal input enum definition with an optional pipe" $
-        parse document "" `shouldSucceedOn` [gql|
-            directive @example on
-              | FIELD
-              | FRAGMENT_SPREAD
-        |]
+        parse document "" `shouldSucceedOn`
+            "directive @example on\n\
+            \  | FIELD\n\
+            \  | FRAGMENT_SPREAD"
 
     it "parses two minimal directive definitions" $
-        let directive nm loc =
-                TypeSystemDefinition
-                    (DirectiveDefinition
+        let directive name' loc = TypeSystemDefinition
+                $ DirectiveDefinition
                     (Description Nothing)
-                         nm
+                    name'
                     (ArgumentsDefinition [])
-                         (loc :| []))
-            example1 =
-                directive "example1"
+                    False
+                    (loc :| [])
+            example1 = directive "example1"
                 (DirLoc.TypeSystemDirectiveLocation DirLoc.FieldDefinition)
                 (Location {line = 1, column = 1})
-            example2 =
-                directive "example2"
+            example2 = directive "example2"
                 (DirLoc.ExecutableDirectiveLocation DirLoc.Field)
                 (Location {line = 2, column = 1})
-            testSchemaExtension = example1 :| [ example2 ]
-            query = [gql|
-              directive @example1 on FIELD_DEFINITION
-              directive @example2 on FIELD
-            |]
+            testSchemaExtension = example1 :| [example2]
+            query = Text.unlines
+                [ "directive @example1 on FIELD_DEFINITION"
+                , "directive @example2 on FIELD"
+                ]
          in parse document "" query `shouldParse` testSchemaExtension
 
     it "parses a directive definition with a default empty list argument" $
-        let directive nm loc args =
-                TypeSystemDefinition
-                    (DirectiveDefinition
-                         (Description Nothing)
-                         nm
-                         (ArgumentsDefinition
-                              [ InputValueDefinition
-                                    (Description Nothing)
-                                    argName
-                                    argType
-                                    argValue
-                                    []
-                              | (argName, argType, argValue) <- args])
-                         (loc :| []))
-            defn =
-                directive "test"
-                    (DirLoc.TypeSystemDirectiveLocation DirLoc.FieldDefinition)
-                    [("foo",
-                      TypeList (TypeNamed "String"),
-                      Just
+        let argumentValue = Just
                 $ Node (ConstList [])
-                          $ Location {line = 1, column = 33})]
-                    (Location {line = 1, column = 1})
-            query = [gql|directive @test(foo: [String] = []) on FIELD_DEFINITION|]
-         in parse document "" query `shouldParse` (defn :| [ ])
+                $ Location{ line = 1, column = 33 }
+            loc = DirLoc.TypeSystemDirectiveLocation DirLoc.FieldDefinition
+            argumentValueDefinition = InputValueDefinition
+                (Description Nothing)
+                "foo"
+                (TypeList (TypeNamed "String"))
+                argumentValue
+                []
+            definition = DirectiveDefinition
+                (Description Nothing)
+                "test"
+                (ArgumentsDefinition [argumentValueDefinition])
+                False
+                (loc :| [])
+            directive = TypeSystemDefinition definition
+                $ Location{ line = 1, column = 1 }
+            query = "directive @test(foo: [String] = []) on FIELD_DEFINITION"
+         in parse document "" query `shouldParse` (directive :| [])
 
     it "parses schema extension with a new directive" $
-        parse document "" `shouldSucceedOn`[gql|
-            extend schema @newDirective
-        |]
+        parse document "" `shouldSucceedOn` "extend schema @newDirective"
 
     it "parses schema extension with an operation type definition" $
-        parse document "" `shouldSucceedOn` [gql|extend schema { query: Query }|]
+        parse document "" `shouldSucceedOn` "extend schema { query: Query }"
 
     it "parses schema extension with an operation type and directive" $
         let newDirective = Directive "newDirective" [] $ Location 1 15
@@ -207,45 +181,42 @@ spec = describe "Parser" $ do
                 $ OperationTypeDefinition Query "Query" :| []
             testSchemaExtension = TypeSystemExtension schemaExtension
                 $ Location 1 1
-            query = [gql|extend schema @newDirective { query: Query }|]
+            query = "extend schema @newDirective { query: Query }"
          in parse document "" query `shouldParse` (testSchemaExtension :| [])
 
+    it "parses a repeatable directive definition" $
+        let given = "directive @test repeatable on FIELD_DEFINITION"
+            isRepeatable (TypeSystemDefinition definition' _ :| [])
+                | DirectiveDefinition _ _ _ repeatable _ <- definition' = repeatable
+            isRepeatable _ = False
+         in parse document "" given `parseSatisfies` isRepeatable
+
     it "parses an object extension" $
-        parse document "" `shouldSucceedOn` [gql|
-            extend type Story {
-              isHiddenLocally: Boolean
-            }
-        |]
+        parse document "" `shouldSucceedOn`
+            "extend type Story { isHiddenLocally: Boolean }"
 
     it "rejects variables in DefaultValue" $
-        parse document "" `shouldFailOn` [gql|
-            query ($book: String = "Zarathustra", $author: String = $book) {
-              title
-            }
-        |]
+        parse document "" `shouldFailOn`
+            "query ($book: String = \"Zarathustra\", $author: String = $book) {\n\
+            \  title\n\
+            \}"
 
     it "rejects empty selection set" $
-       parse document "" `shouldFailOn` [gql|
-            query {
-              innerField {}
-            }
-        |]
+       parse document "" `shouldFailOn` "query { innerField {} }"
 
     it "parses documents beginning with a comment" $
-        parse document "" `shouldSucceedOn` [gql|
-            """
-            Query
-            """
-            type Query {
-                queryField: String
-            }
-        |]
+        parse document "" `shouldSucceedOn`
+            "\"\"\"\n\
+            \Query\n\
+            \\"\"\"\n\
+            \type Query {\n\
+            \  queryField: String\n\
+            \}"
 
     it "parses subscriptions" $
-        parse document "" `shouldSucceedOn` [gql|
-            subscription NewMessages {
-              newMessage(roomId: 123) {
-                sender
-              }
-            }
-        |]
+        parse document "" `shouldSucceedOn`
+            "subscription NewMessages {\n\
+            \  newMessage(roomId: 123) {\n\
+            \    sender\n\
+            \  }\n\
+            \}"

tests/Language/GraphQL/ExecuteSpec.hs

@@ -5,9 +5,7 @@
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE NamedFieldPuns #-}
-{-# LANGUAGE RecordWildCards #-}
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE QuasiQuotes #-}
 
 module Language.GraphQL.ExecuteSpec
     ( spec
@@ -23,7 +21,6 @@ import Language.GraphQL.AST (Document, Location(..), Name)
 import Language.GraphQL.AST.Parser (document)
 import Language.GraphQL.Error
 import Language.GraphQL.Execute (execute)
-import Language.GraphQL.TH
 import qualified Language.GraphQL.Type.Schema as Schema
 import qualified Language.GraphQL.Type as Type
 import Language.GraphQL.Type
@@ -269,15 +266,15 @@ spec :: Spec
 spec =
     describe "execute" $ do
         it "rejects recursive fragments" $
-            let sourceQuery = [gql|
-              {
-                ...cyclicFragment
-              }
-
-              fragment cyclicFragment on Query {
-                ...cyclicFragment
-              }
-            |]
+            let sourceQuery = "\
+              \{\n\
+              \  ...cyclicFragment\n\
+              \}\n\
+              \\n\
+              \fragment cyclicFragment on Query {\n\
+              \  ...cyclicFragment\n\
+              \}\
+              \"
                 expected = Response (Object mempty) mempty
              in sourceQuery `shouldResolveTo` expected
 

tests/Language/GraphQL/THSpec.hs

@@ -0,0 +1,24 @@
+{- This Source Code Form is subject to the terms of the Mozilla Public License,
+   v. 2.0. If a copy of the MPL was not distributed with this file, You can
+   obtain one at https://mozilla.org/MPL/2.0/. -}
+
+{-# LANGUAGE QuasiQuotes #-}
+
+module Language.GraphQL.THSpec
+    ( spec
+    ) where
+
+import Language.GraphQL.TH (gql)
+import Test.Hspec (Spec, describe, it, shouldBe)
+
+spec :: Spec
+spec =
+    describe "gql" $
+        it "replaces CRNL with NL" $
+            let expected = "line1\nline2\nline3"
+                actual = [gql|
+                  line1
+                  line2
+                  line3
+                |]
+             in actual `shouldBe` expected