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-rw-r--r--src/Language/GraphQL/Foundation.hs58
-rw-r--r--src/Language/GraphQL/JSON.hs (renamed from src/Language/GraphQL/Serialize.hs)57
-rw-r--r--src/Test/Hspec/GraphQL.hs48
3 files changed, 102 insertions, 61 deletions
diff --git a/src/Language/GraphQL/Foundation.hs b/src/Language/GraphQL/Foundation.hs
deleted file mode 100644
index 4d0d4f3..0000000
--- a/src/Language/GraphQL/Foundation.hs
+++ /dev/null
@@ -1,58 +0,0 @@
-{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE NamedFieldPuns #-}
-{-# LANGUAGE RecordWildCards #-}
-
-module Language.GraphQL.Foundation
- ( module Language.GraphQL.Serialize
- , graphql
- ) where
-
-import Language.GraphQL.Serialize
-import Control.Monad.Catch (MonadCatch)
-import qualified Data.Aeson as Aeson
-import qualified Data.Aeson.Types as Aeson
-import Data.HashMap.Strict (HashMap)
-import qualified Data.Aeson.KeyMap as KeyMap
-import Data.Maybe (catMaybes)
-import qualified Data.Sequence as Seq
-import Data.Text (Text)
-import Data.Vector (Vector)
-import qualified Data.Vector as Vector
-import qualified Language.GraphQL as GraphQL
-import Language.GraphQL.AST
-import Language.GraphQL.Error
-import Language.GraphQL.Type.Schema (Schema)
-import Data.Bifunctor (Bifunctor(..))
-
--- | If the text parses correctly as a @GraphQL@ query the query is
--- executed using the given 'Schema'.
-graphql :: MonadCatch m
- => Schema m -- ^ Resolvers.
- -> Text -- ^ Text representing a @GraphQL@ request document.
- -> m (Either (ResponseEventStream m Aeson.Value) Aeson.Object) -- ^ Response.
-graphql schema = fmap (bimap stream formatResponse)
- . GraphQL.graphql schema mempty (mempty :: HashMap Name JSON)
- where
- stream :: ResponseEventStream m JSON -> ResponseEventStream m Aeson.Value
- stream = undefined
- formatResponse :: Response JSON -> Aeson.Object
- formatResponse Response{ errors, data' = JSON json } =
- let dataResponse = KeyMap.singleton "data" json
- in case errors of
- Seq.Empty -> dataResponse
- _ -> flip (KeyMap.insert "errors") dataResponse
- $ Aeson.Array $ foldr fromError mempty errors
- fromError :: Error -> Vector Aeson.Value -> Vector Aeson.Value
- fromError Error{..} = Vector.cons $ Aeson.object $ catMaybes
- [ Just ("message", Aeson.String message)
- , toMaybe fromLocation "locations" locations
- , toMaybe fromPath "path" path
- ]
- fromPath (Segment segment) = Aeson.String segment
- fromPath (Index index) = Aeson.toJSON index
- fromLocation Location{..} = Aeson.object
- [ ("line", Aeson.toJSON line)
- , ("column", Aeson.toJSON column)
- ]
- toMaybe _ _ [] = Nothing
- toMaybe f key xs = Just (key, Aeson.listValue f xs)
diff --git a/src/Language/GraphQL/Serialize.hs b/src/Language/GraphQL/JSON.hs
index cad4f47..bdbc4f4 100644
--- a/src/Language/GraphQL/Serialize.hs
+++ b/src/Language/GraphQL/JSON.hs
@@ -1,17 +1,30 @@
{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE NamedFieldPuns #-}
+{-# LANGUAGE RecordWildCards #-}
-module Language.GraphQL.Serialize
+module Language.GraphQL.JSON
( JSON(..)
+ , graphql
) where
-import qualified Data.Aeson as Aeson
+import Control.Monad.Catch (MonadCatch)
+import qualified Data.Aeson.Types as Aeson
+import Data.Maybe (catMaybes)
+import qualified Data.Sequence as Seq
+import Data.Vector (Vector)
+import qualified Data.Vector as Vector
+import qualified Language.GraphQL as GraphQL
+import Language.GraphQL.AST (Location(..), Name)
+import Language.GraphQL.Error
+import Language.GraphQL.Type.Schema (Schema)
+import Data.Bifunctor (Bifunctor(..))
+import qualified Conduit
import qualified Data.Aeson.Key as Aeson.Key
import qualified Data.Aeson.KeyMap as KeyMap
import Data.HashMap.Strict (HashMap)
import qualified Data.HashMap.Strict as HashMap
import Data.Scientific (toBoundedInteger, toRealFloat)
import Data.Text (Text)
-import Language.GraphQL.AST (Name)
import Language.GraphQL.Execute.Coerce
import qualified Language.GraphQL.Execute.OrderedMap as OrderedMap
import qualified Language.GraphQL.Type.In as In
@@ -100,3 +113,41 @@ instance VariableValue JSON where
coerced <- coerceVariableValue listType $ JSON variableValue
pure $ coerced : list
coerceVariableValue _ _ = Nothing
+
+-- | If the text parses correctly as a @GraphQL@ query the query is
+-- executed using the given 'Schema'.
+graphql :: MonadCatch m
+ => Schema m -- ^ Resolvers.
+ -> Maybe Text -- ^ Operation name.
+ -> Aeson.Object -- ^ Variables.
+ -> Text -- ^ Text representing a @GraphQL@ request document.
+ -> m (Either (ResponseEventStream m Aeson.Value) Aeson.Object) -- ^ Response.
+graphql schema operationName variableValues = fmap (bimap stream formatResponse)
+ . GraphQL.graphql schema operationName jsonVariables
+ where
+ jsonVariables = JSON <$> KeyMap.toHashMapText variableValues
+ -- stream :: ResponseEventStream m JSON -> ResponseEventStream m Aeson.Value
+ stream = Conduit.mapOutput mapResponse
+ mapResponse response@Response{ data' = JSON json } =
+ response{ data' = json }
+ formatResponse :: Response JSON -> Aeson.Object
+ formatResponse Response{ errors, data' = JSON json } =
+ let dataResponse = KeyMap.singleton "data" json
+ in case errors of
+ Seq.Empty -> dataResponse
+ _ -> flip (KeyMap.insert "errors") dataResponse
+ $ Aeson.Array $ foldr fromError mempty errors
+ fromError :: Error -> Vector Aeson.Value -> Vector Aeson.Value
+ fromError Error{..} = Vector.cons $ Aeson.object $ catMaybes
+ [ Just ("message", Aeson.String message)
+ , toMaybe fromLocation "locations" locations
+ , toMaybe fromPath "path" path
+ ]
+ fromPath (Segment segment) = Aeson.String segment
+ fromPath (Index index) = Aeson.toJSON index
+ fromLocation Location{..} = Aeson.object
+ [ ("line", Aeson.toJSON line)
+ , ("column", Aeson.toJSON column)
+ ]
+ toMaybe _ _ [] = Nothing
+ toMaybe f key xs = Just (key, Aeson.listValue f xs)
diff --git a/src/Test/Hspec/GraphQL.hs b/src/Test/Hspec/GraphQL.hs
new file mode 100644
index 0000000..41d9eb2
--- /dev/null
+++ b/src/Test/Hspec/GraphQL.hs
@@ -0,0 +1,48 @@
+{- 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 ExplicitForAll #-}
+{-# LANGUAGE NamedFieldPuns #-}
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE DuplicateRecordFields #-}
+
+-- | Test helpers.
+module Test.Hspec.GraphQL
+ ( shouldResolve
+ , shouldResolveTo
+ ) where
+
+import Control.Monad.Catch (MonadCatch)
+import qualified Data.Sequence as Seq
+import Data.Text (Text)
+import Language.GraphQL.Error
+import Language.GraphQL.Execute
+import Test.Hspec.Expectations
+ ( Expectation
+ , expectationFailure
+ , shouldBe
+ , shouldSatisfy
+ )
+
+-- | Asserts that a query resolves to some value.
+shouldResolveTo :: (MonadCatch m, Serialize b, Eq b, Show b)
+ => Either (ResponseEventStream m b) (Response b)
+ -> b
+ -> Expectation
+shouldResolveTo (Right Response{ errors = Seq.Empty, data' }) expected =
+ data' `shouldBe` expected
+shouldResolveTo _ _ = expectationFailure
+ "the query is expected to resolve to a value, but it resolved to an event stream"
+
+-- | Asserts that the response doesn't contain any errors.
+shouldResolve :: (MonadCatch m, Serialize b)
+ => (Text -> IO (Either (ResponseEventStream m b) (Response b)))
+ -> Text
+ -> Expectation
+shouldResolve executor query = do
+ actual <- executor query
+ case actual of
+ Right Response{ errors } -> errors `shouldSatisfy` Seq.null
+ _ -> expectationFailure
+ "the query is expected to resolve to a value, but it resolved to an event stream"
generated by cgit v1.2.3 (git 2.26.2) at 2026-06-26 21:21:23 +0000