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-rw-r--r--tests/Test/StarWars/Data.hs28
-rw-r--r--tests/Test/StarWars/QueryTests.hs91
-rw-r--r--tests/Test/StarWars/Schema.hs40
3 files changed, 92 insertions, 67 deletions
diff --git a/tests/Test/StarWars/Data.hs b/tests/Test/StarWars/Data.hs
index a710dd8..1305de3 100644
--- a/tests/Test/StarWars/Data.hs
+++ b/tests/Test/StarWars/Data.hs
@@ -2,10 +2,12 @@
module Test.StarWars.Data where
import Data.Monoid (mempty)
-import Control.Applicative (Alternative, (<|>), empty, liftA2)
+import Control.Applicative (liftA2)
+import Control.Monad (MonadPlus(..))
+import Control.Monad.Trans.Except (throwE)
import Data.Maybe (catMaybes)
-
import Data.Text (Text)
+import Language.GraphQL.Trans
-- * Data
-- See https://github.com/graphql/graphql-js/blob/master/src/__tests__/starWarsData.js
@@ -50,8 +52,8 @@ appearsIn :: Character -> [Int]
appearsIn (Left x) = _appearsIn . _droidChar $ x
appearsIn (Right x) = _appearsIn . _humanChar $ x
-secretBackstory :: Character -> Text
-secretBackstory = error "secretBackstory is secret."
+secretBackstory :: MonadPlus m => Character -> ActionT m Text
+secretBackstory = const $ ActionT $ throwE "secretBackstory is secret."
typeName :: Character -> Text
typeName = either (const "Droid") (const "Human")
@@ -148,30 +150,30 @@ getHero _ = artoo
getHeroIO :: Int -> IO Character
getHeroIO = pure . getHero
-getHuman :: Alternative f => ID -> f Character
+getHuman :: MonadPlus m => ID -> m Character
getHuman = fmap Right . getHuman'
-getHuman' :: Alternative f => ID -> f Human
+getHuman' :: MonadPlus m => ID -> m Human
getHuman' "1000" = pure luke'
getHuman' "1001" = pure vader
getHuman' "1002" = pure han
getHuman' "1003" = pure leia
getHuman' "1004" = pure tarkin
-getHuman' _ = empty
+getHuman' _ = mzero
-getDroid :: Alternative f => ID -> f Character
+getDroid :: MonadPlus m => ID -> m Character
getDroid = fmap Left . getDroid'
-getDroid' :: Alternative f => ID -> f Droid
+getDroid' :: MonadPlus m => ID -> m Droid
getDroid' "2000" = pure threepio
getDroid' "2001" = pure artoo'
-getDroid' _ = empty
+getDroid' _ = mzero
getFriends :: Character -> [Character]
-getFriends char = catMaybes $ liftA2 (<|>) getDroid getHuman <$> friends char
+getFriends char = catMaybes $ liftA2 mplus getDroid getHuman <$> friends char
-getEpisode :: Alternative f => Int -> f Text
+getEpisode :: MonadPlus m => Int -> m Text
getEpisode 4 = pure "NEWHOPE"
getEpisode 5 = pure "EMPIRE"
getEpisode 6 = pure "JEDI"
-getEpisode _ = empty
+getEpisode _ = mzero
diff --git a/tests/Test/StarWars/QueryTests.hs b/tests/Test/StarWars/QueryTests.hs
index 736f5b4..8dde8c2 100644
--- a/tests/Test/StarWars/QueryTests.hs
+++ b/tests/Test/StarWars/QueryTests.hs
@@ -2,8 +2,10 @@
{-# LANGUAGE QuasiQuotes #-}
module Test.StarWars.QueryTests (test) where
-import qualified Data.Aeson as Aeson (Value(Null), toJSON)
-import Data.Aeson (object, (.=))
+import qualified Data.Aeson as Aeson
+import Data.Aeson ( object
+ , (.=)
+ )
import Data.Text (Text)
import Text.RawString.QQ (r)
@@ -258,20 +260,26 @@ test = testGroup "Star Wars Query Tests"
]
, testGroup "Errors in resolvers"
[ testCase "error on secretBackstory" . testQuery
- [r| query HeroNameQuery {
- hero {
- name
+ [r|
+ query HeroNameQuery {
+ hero {
+ name
secretBackstory
- }
}
- |]
- $ object ["data" .= object [
- "hero" .= [r2d2Name, secretBackstory]
- ]
- , "errors" .= object [
- "message" .= Aeson.toJSON [secretText]
- , "path" .= Aeson.toJSON [[ "hero" :: Text, "secretBackstory" :: Text ]]
- ]]
+ }
+ |]
+ $ object
+ [ "data" .= object
+ [ "hero" .= object
+ [ "name" .= ("R2-D2" :: Text)
+ , "secretBackstory" .= Aeson.Null
+ ]
+ ]
+ , "errors" .=
+ [ object
+ ["message" .= ("secretBackstory is secret." :: Text)]
+ ]
+ ]
, testCase "Error in a list" . testQuery
[r| query HeroNameQuery {
hero {
@@ -283,17 +291,31 @@ test = testGroup "Star Wars Query Tests"
}
}
|]
- $ object ["data" .= object [
- "hero" .= [r2d2Name, "friends" .= [
- object [lukeName, secretBackstory]
- , object [hanName, secretBackstory]
- , object [leiaName, secretBackstory]
- ]]
+ $ object ["data" .= object
+ [ "hero" .= object
+ [ "name" .= ("R2-D2" :: Text)
+ , "friends" .=
+ [ object
+ [ "name" .= ("Luke Skywalker" :: Text)
+ , "secretBackstory" .= Aeson.Null
+ ]
+ , object
+ [ "name" .= ("Han Solo" :: Text)
+ , "secretBackstory" .= Aeson.Null
+ ]
+ , object
+ [ "name" .= ("Leia Organa" :: Text)
+ , "secretBackstory" .= Aeson.Null
+ ]
+ ]
+ ]
+ ]
+ , "errors" .=
+ [ object ["message" .= ("secretBackstory is secret." :: Text)]
+ , object ["message" .= ("secretBackstory is secret." :: Text)]
+ , object ["message" .= ("secretBackstory is secret." :: Text)]
+ ]
]
- , "errors" .= object [
- "message" .= Aeson.toJSON [secretText, secretText, secretText]
- , "path" .= Aeson.toJSON [secretPath 0, secretPath 1, secretPath 2]
- ]]
, testCase "error on secretBackstory with alias" . testQuery
[r| query HeroNameQuery {
mainHero: hero {
@@ -302,14 +324,18 @@ test = testGroup "Star Wars Query Tests"
}
}
|]
- $ object ["data" .= object [
- "mainHero" .= [r2d2Name, "story" .= ()]
+ $ object
+ [ "data" .= object
+ [ "mainHero" .= object
+ [ "name" .= ("R2-D2" :: Text)
+ , "story" .= Aeson.Null
+ ]
+ ]
+ , "errors" .=
+ [ object ["message" .= ("secretBackstory is secret." :: Text)]
+ ]
+ ]
]
- , "errors" .= object [
- "message" .= Aeson.toJSON [secretText]
- , "path" .= Aeson.toJSON [[ "mainHero" :: Text, "story" :: Text ]]
- ]]
- ]
]
where
lukeName = "name" .= ("Luke Skywalker" :: Text)
@@ -319,9 +345,6 @@ test = testGroup "Star Wars Query Tests"
c3poName = "name" .= ("C-3PO" :: Text)
tatooine = "homePlanet" .= ("Tatooine" :: Text)
alderaan = "homePlanet" .= ("Alderaan" :: Text)
- secretBackstory = "secretBackstory" .= ()
- secretText = "secretBackstory is secret" :: Text
- secretPath n = ("hero", "friends", n, "secretBackstory") :: (Text, Text, Int, Text)
testQuery :: Text -> Aeson.Value -> Assertion
testQuery q expected = graphql schema q @?= Just expected
diff --git a/tests/Test/StarWars/Schema.hs b/tests/Test/StarWars/Schema.hs
index 09344fc..0abda7b 100644
--- a/tests/Test/StarWars/Schema.hs
+++ b/tests/Test/StarWars/Schema.hs
@@ -2,17 +2,17 @@
{-# LANGUAGE OverloadedStrings #-}
module Test.StarWars.Schema where
-import Control.Applicative (Alternative(..))
-import Control.Monad (MonadPlus)
+import Control.Monad (MonadPlus(..))
+import Control.Monad.Trans.Except (throwE)
+import Control.Monad.Trans.Class (lift)
import Data.List.NonEmpty (NonEmpty((:|)))
-
import Data.GraphQL.Schema ( Schema
, Resolver
, Argument(..)
, Value(..)
)
import qualified Data.GraphQL.Schema as Schema
-
+import Language.GraphQL.Trans
import Test.StarWars.Data
-- * Schema
@@ -28,25 +28,25 @@ hero = Schema.objectA "hero" $ \case
[Argument "episode" (ValueEnum "NEWHOPE")] -> character $ getHero 4
[Argument "episode" (ValueEnum "EMPIRE" )] -> character $ getHero 5
[Argument "episode" (ValueEnum "JEDI" )] -> character $ getHero 6
- _ -> empty
+ _ -> ActionT $ throwE "Invalid arguments."
human :: MonadPlus m => Resolver m
human = Schema.objectA "human" $ \case
- [Argument "id" (ValueString i)] -> character =<< getHuman i
- _ -> empty
+ [Argument "id" (ValueString i)] -> character =<< lift (getHuman i)
+ _ -> ActionT $ throwE "Invalid arguments."
droid :: MonadPlus m => Resolver m
droid = Schema.objectA "droid" $ \case
- [Argument "id" (ValueString i)] -> character =<< getDroid i
- _ -> empty
-
-character :: MonadPlus m => Character -> [Resolver m]
-character char =
- [ Schema.scalar "id" $ id_ char
- , Schema.scalar "name" $ name char
- , Schema.array "friends" $ character <$> getFriends char
- , Schema.enum "appearsIn" . traverse getEpisode $ appearsIn char
- , Schema.scalar "secretBackstory" $ secretBackstory char
- , Schema.scalar "homePlanet" $ either mempty homePlanet char
- , Schema.scalar "__typename" $ typeName char
- ]
+ [Argument "id" (ValueString i)] -> character =<< lift (getDroid i)
+ _ -> ActionT $ throwE "Invalid arguments."
+
+character :: MonadPlus m => Character -> ActionT m [Resolver m]
+character char = return
+ [ Schema.scalar "id" $ return $ id_ char
+ , Schema.scalar "name" $ return $ name char
+ , Schema.array "friends" $ traverse character $ getFriends char
+ , Schema.enum "appearsIn" $ return $ foldMap getEpisode $ appearsIn char
+ , Schema.scalar "secretBackstory" $ secretBackstory char
+ , Schema.scalar "homePlanet" $ return $ either mempty homePlanet char
+ , Schema.scalar "__typename" $ return $ typeName char
+ ]
generated by cgit v1.2.3 (git 2.26.2) at 2026-06-27 05:04:56 +0000