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Combine Resolver and ActionT in ResolverT

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This commit is contained in:
Eugen Wissner
2020-06-29 13:14:23 +02:00
parent 9798b08b4c
commit 705e506c13
13 changed files with 127 additions and 107 deletions
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24
tests/Language/GraphQL/ExecuteSpec.hs
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@ -22,26 +22,26 @@ schema = Schema {query = queryType, mutation = Nothing}
queryType :: Out.ObjectType Identity
queryType = Out.ObjectType "Query" Nothing []
$ HashMap.singleton "philosopher"
$ Out.Resolver philosopherField
$ pure
$ Type.Object mempty
$ HashMap.singleton "philosopher" philosopherField
where
philosopherField =
Out.Field Nothing (Out.NonNullObjectType philosopherType) HashMap.empty
philosopherField
= Out.Field Nothing (Out.NonNullObjectType philosopherType) HashMap.empty
$ pure $ Type.Object mempty
philosopherType :: Out.ObjectType Identity
philosopherType = Out.ObjectType "Philosopher" Nothing []
$ HashMap.fromList resolvers
where
resolvers =
[ ("firstName", firstNameResolver)
, ("lastName", lastNameResolver)
[ ("firstName", firstNameField)
, ("lastName", lastNameField)
]
firstNameResolver = Out.Resolver firstNameField $ pure $ Type.String "Friedrich"
lastNameResolver = Out.Resolver lastNameField $ pure $ Type.String "Nietzsche"
firstNameField = Out.Field Nothing (Out.NonNullScalarType string) HashMap.empty
lastNameField = Out.Field Nothing (Out.NonNullScalarType string) HashMap.empty
firstNameField
= Out.Field Nothing (Out.NonNullScalarType string) HashMap.empty
$ pure $ Type.String "Friedrich"
lastNameField
= Out.Field Nothing (Out.NonNullScalarType string) HashMap.empty
$ pure $ Type.String "Nietzsche"
spec :: Spec
spec =

2
tests/Test/DirectiveSpec.hs
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@ -19,7 +19,7 @@ experimentalResolver = Schema { query = queryType, mutation = Nothing }
resolver = pure $ Int 5
queryType = Out.ObjectType "Query" Nothing []
$ HashMap.singleton "experimentalField"
$ Out.Resolver (Out.Field Nothing (Out.NamedScalarType int) mempty) resolver
$ Out.Field Nothing (Out.NamedScalarType int) mempty resolver
emptyObject :: Aeson.Value
emptyObject = object

16
tests/Test/FragmentSpec.hs
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@ -53,22 +53,24 @@ hasErrors _ = True
shirtType :: Out.ObjectType IO
shirtType = Out.ObjectType "Shirt" Nothing []
$ HashMap.fromList
[ ("size", Out.Resolver sizeFieldType $ pure $ snd size)
, ("circumference", Out.Resolver circumferenceFieldType $ pure $ snd circumference)
[ ("size", sizeFieldType)
, ("circumference", circumferenceFieldType)
]
hatType :: Out.ObjectType IO
hatType = Out.ObjectType "Hat" Nothing []
$ HashMap.fromList
[ ("size", Out.Resolver sizeFieldType $ pure $ snd size)
, ("circumference", Out.Resolver circumferenceFieldType $ pure $ snd circumference)
[ ("size", sizeFieldType)
, ("circumference", circumferenceFieldType)
]
circumferenceFieldType :: Out.Field IO
circumferenceFieldType = Out.Field Nothing (Out.NamedScalarType int) mempty
$ pure $ snd circumference
sizeFieldType :: Out.Field IO
sizeFieldType = Out.Field Nothing (Out.NamedScalarType string) mempty
$ pure $ snd size
toSchema :: Text -> (Text, Value) -> Schema IO
toSchema t (_, resolve) = Schema
@ -76,15 +78,17 @@ toSchema t (_, resolve) = Schema
where
unionMember = if t == "Hat" then hatType else shirtType
typeNameField = Out.Field Nothing (Out.NamedScalarType string) mempty
$ pure $ String "Shirt"
garmentField = Out.Field Nothing (Out.NamedObjectType unionMember) mempty
$ pure resolve
queryType =
case t of
"circumference" -> hatType
"size" -> shirtType
_ -> Out.ObjectType "Query" Nothing []
$ HashMap.fromList
[ ("garment", Out.Resolver garmentField $ pure resolve)
, ("__typename", Out.Resolver typeNameField $ pure $ String "Shirt")
[ ("garment", garmentField)
, ("__typename", typeNameField)
]
spec :: Spec

9
tests/Test/RootOperationSpec.hs
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@ -15,8 +15,9 @@ import qualified Language.GraphQL.Type.Out as Out
hatType :: Out.ObjectType IO
hatType = Out.ObjectType "Hat" Nothing []
$ HashMap.singleton "circumference"
$ Out.Resolver (Out.Field Nothing (Out.NamedScalarType int) mempty)
$ pure $ Int 60
$ Out.Field Nothing (Out.NamedScalarType int) mempty
$ pure
$ Int 60
schema :: Schema IO
schema = Schema
@ -27,10 +28,10 @@ schema = Schema
[ ("circumference", Int 60)
]
incrementField = HashMap.singleton "incrementCircumference"
$ Out.Resolver (Out.Field Nothing (Out.NamedScalarType int) mempty)
$ Out.Field Nothing (Out.NamedScalarType int) mempty
$ pure $ Int 61
hatField = HashMap.singleton "garment"
$ Out.Resolver (Out.Field Nothing (Out.NamedObjectType hatType) mempty) garment
$ Out.Field Nothing (Out.NamedObjectType hatType) mempty garment
spec :: Spec
spec =

4
tests/Test/StarWars/Data.hs
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@ -66,8 +66,8 @@ appearsIn :: Character -> [Int]
appearsIn (Left x) = _appearsIn . _droidChar $ x
appearsIn (Right x) = _appearsIn . _humanChar $ x
secretBackstory :: ActionT Identity Text
secretBackstory = ActionT $ throwE "secretBackstory is secret."
secretBackstory :: ResolverT Identity Text
secretBackstory = ResolverT $ throwE "secretBackstory is secret."
typeName :: Character -> Text
typeName = either (const "Droid") (const "Human")

71
tests/Test/StarWars/Schema.hs
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@ -24,65 +24,78 @@ schema :: Schema Identity
schema = Schema { query = queryType, mutation = Nothing }
where
queryType = Out.ObjectType "Query" Nothing [] $ HashMap.fromList
[ ("hero", Out.Resolver heroField hero)
, ("human", Out.Resolver humanField human)
, ("droid", Out.Resolver droidField droid)
[ ("hero", heroField)
, ("human", humanField)
, ("droid", droidField)
]
heroField = Out.Field Nothing (Out.NamedObjectType heroObject)
$ HashMap.singleton "episode"
heroArguments = HashMap.singleton "episode"
$ In.Argument Nothing (In.NamedEnumType episodeEnum) Nothing
humanField = Out.Field Nothing (Out.NamedObjectType heroObject)
$ HashMap.singleton "id"
heroField =
Out.Field Nothing (Out.NamedObjectType heroObject) heroArguments hero
humanArguments = HashMap.singleton "id"
$ In.Argument Nothing (In.NonNullScalarType string) Nothing
droidField = Out.Field Nothing (Out.NamedObjectType droidObject) mempty
humanField =
Out.Field Nothing (Out.NamedObjectType heroObject) humanArguments human
droidField = Out.Field Nothing (Out.NamedObjectType droidObject) mempty droid
heroObject :: Out.ObjectType Identity
heroObject = Out.ObjectType "Human" Nothing [] $ HashMap.fromList
[ ("id", Out.Resolver idFieldType (idField "id"))
, ("name", Out.Resolver nameFieldType (idField "name"))
, ("friends", Out.Resolver friendsFieldType (idField "friends"))
, ("appearsIn", Out.Resolver appearsInField (idField "appearsIn"))
, ("homePlanet", Out.Resolver homePlanetFieldType (idField "homePlanet"))
, ("secretBackstory", Out.Resolver secretBackstoryFieldType (String <$> secretBackstory))
, ("__typename", Out.Resolver (Out.Field Nothing (Out.NamedScalarType string) mempty) (idField "__typename"))
[ ("id", idFieldType)
, ("name", nameFieldType)
, ("friends", friendsFieldType)
, ("appearsIn", appearsInField)
, ("homePlanet", homePlanetFieldType)
, ("secretBackstory", secretBackstoryFieldType)
, ("__typename", typenameFieldType)
]
where
homePlanetFieldType = Out.Field Nothing (Out.NamedScalarType string) mempty
$ idField "homePlanet"
droidObject :: Out.ObjectType Identity
droidObject = Out.ObjectType "Droid" Nothing [] $ HashMap.fromList
[ ("id", Out.Resolver idFieldType (idField "id"))
, ("name", Out.Resolver nameFieldType (idField "name"))
, ("friends", Out.Resolver friendsFieldType (idField "friends"))
, ("appearsIn", Out.Resolver appearsInField (idField "appearsIn"))
, ("primaryFunction", Out.Resolver primaryFunctionFieldType (idField "primaryFunction"))
, ("secretBackstory", Out.Resolver secretBackstoryFieldType (String <$> secretBackstory))
, ("__typename", Out.Resolver (Out.Field Nothing (Out.NamedScalarType string) mempty) (idField "__typename"))
[ ("id", idFieldType)
, ("name", nameFieldType)
, ("friends", friendsFieldType)
, ("appearsIn", appearsInField)
, ("primaryFunction", primaryFunctionFieldType)
, ("secretBackstory", secretBackstoryFieldType)
, ("__typename", typenameFieldType)
]
where
primaryFunctionFieldType = Out.Field Nothing (Out.NamedScalarType string) mempty
$ idField "primaryFunction"
typenameFieldType :: Out.Field Identity
typenameFieldType = Out.Field Nothing (Out.NamedScalarType string) mempty
$ idField "__typename"
idFieldType :: Out.Field Identity
idFieldType = Out.Field Nothing (Out.NamedScalarType id) mempty
$ idField "id"
nameFieldType :: Out.Field Identity
nameFieldType = Out.Field Nothing (Out.NamedScalarType string) mempty
$ idField "name"
friendsFieldType :: Out.Field Identity
friendsFieldType = Out.Field Nothing (Out.ListType $ Out.NamedObjectType droidObject) mempty
$ idField "friends"
appearsInField :: Out.Field Identity
appearsInField = Out.Field (Just description) fieldType mempty
$ idField "appearsIn"
where
fieldType = Out.ListType $ Out.NamedEnumType episodeEnum
description = "Which movies they appear in."
secretBackstoryFieldType :: Out.Field Identity
secretBackstoryFieldType = Out.Field Nothing (Out.NamedScalarType string) mempty
$ String <$> secretBackstory
idField :: Text -> ActionT Identity Value
idField :: Text -> ResolverT Identity Value
idField f = do
v <- ActionT $ lift $ asks values
v <- ResolverT $ lift $ asks values
let (Object v') = v
pure $ v' HashMap.! f
@ -95,7 +108,7 @@ episodeEnum = EnumType "Episode" (Just description)
empire = ("EMPIRE", EnumValue $ Just "Released in 1980.")
jedi = ("JEDI", EnumValue $ Just "Released in 1983.")
hero :: ActionT Identity Value
hero :: ResolverT Identity Value
hero = do
episode <- argument "episode"
pure $ character $ case episode of
@ -104,7 +117,7 @@ hero = do
Enum "JEDI" -> getHero 6
_ -> artoo
human :: ActionT Identity Value
human :: ResolverT Identity Value
human = do
id' <- argument "id"
case id' of
@ -113,14 +126,14 @@ human = do
case humanCharacter of
Nothing -> pure Null
Just e -> pure $ character e
_ -> ActionT $ throwE "Invalid arguments."
_ -> ResolverT $ throwE "Invalid arguments."
droid :: ActionT Identity Value
droid :: ResolverT Identity Value
droid = do
id' <- argument "id"
case id' of
String i -> character <$> getDroid i
_ -> ActionT $ throwE "Invalid arguments."
_ -> ResolverT $ throwE "Invalid arguments."
character :: Character -> Value
character char = Object $ HashMap.fromList