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{- 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 OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
module Language.GraphQL.ValidateSpec
( spec
) where
import Data.Sequence (Seq(..))
import qualified Data.Sequence as Seq
import qualified Data.HashMap.Strict as HashMap
import Data.Text (Text)
import qualified Language.GraphQL.AST as AST
import Language.GraphQL.Type
import qualified Language.GraphQL.Type.In as In
import qualified Language.GraphQL.Type.Out as Out
import Language.GraphQL.Validate
import Test.Hspec (Spec, describe, it, shouldBe)
import Text.Megaparsec (parse)
import Text.RawString.QQ (r)
schema :: Schema IO
schema = Schema
{ query = queryType
, mutation = Nothing
, subscription = Nothing
}
queryType :: ObjectType IO
queryType = ObjectType "Query" Nothing []
$ HashMap.singleton "dog" dogResolver
where
dogField = Field Nothing (Out.NamedObjectType dogType) mempty
dogResolver = ValueResolver dogField $ pure Null
dogCommandType :: EnumType
dogCommandType = EnumType "DogCommand" Nothing $ HashMap.fromList
[ ("SIT", EnumValue Nothing)
, ("DOWN", EnumValue Nothing)
, ("HEEL", EnumValue Nothing)
]
dogType :: ObjectType IO
dogType = ObjectType "Dog" Nothing [petType] $ HashMap.fromList
[ ("name", nameResolver)
, ("nickname", nicknameResolver)
, ("barkVolume", barkVolumeResolver)
, ("doesKnowCommand", doesKnowCommandResolver)
, ("isHousetrained", isHousetrainedResolver)
, ("owner", ownerResolver)
]
where
nameField = Field Nothing (Out.NonNullScalarType string) mempty
nameResolver = ValueResolver nameField $ pure "Name"
nicknameField = Field Nothing (Out.NamedScalarType string) mempty
nicknameResolver = ValueResolver nicknameField $ pure "Nickname"
barkVolumeField = Field Nothing (Out.NamedScalarType int) mempty
barkVolumeResolver = ValueResolver barkVolumeField $ pure $ Int 3
doesKnowCommandField = Field Nothing (Out.NonNullScalarType boolean)
$ HashMap.singleton "dogCommand"
$ In.Argument Nothing (In.NonNullEnumType dogCommandType) Nothing
doesKnowCommandResolver = ValueResolver doesKnowCommandField
$ pure $ Boolean True
isHousetrainedField = Field Nothing (Out.NonNullScalarType boolean)
$ HashMap.singleton "atOtherHomes"
$ In.Argument Nothing (In.NamedScalarType boolean) Nothing
isHousetrainedResolver = ValueResolver isHousetrainedField
$ pure $ Boolean True
ownerField = Field Nothing (Out.NamedObjectType humanType) mempty
ownerResolver = ValueResolver ownerField $ pure Null
sentientType :: InterfaceType IO
sentientType = InterfaceType "Sentient" Nothing []
$ HashMap.singleton "name"
$ Field Nothing (Out.NonNullScalarType string) mempty
petType :: InterfaceType IO
petType = InterfaceType "Pet" Nothing []
$ HashMap.singleton "name"
$ Field Nothing (Out.NonNullScalarType string) mempty
{-
alienType :: ObjectType IO
alienType = ObjectType "Alien" Nothing [sentientType] $ HashMap.fromList
[ ("name", nameResolver)
, ("homePlanet", homePlanetResolver)
]
where
nameField = Field Nothing (Out.NonNullScalarType string) mempty
nameResolver = ValueResolver nameField $ pure "Name"
homePlanetField =
Field Nothing (Out.NamedScalarType string) mempty
homePlanetResolver = ValueResolver homePlanetField $ pure "Home planet"
-}
humanType :: ObjectType IO
humanType = ObjectType "Human" Nothing [sentientType] $ HashMap.fromList
[ ("name", nameResolver)
, ("pets", petsResolver)
]
where
nameField = Field Nothing (Out.NonNullScalarType string) mempty
nameResolver = ValueResolver nameField $ pure "Name"
petsField =
Field Nothing (Out.ListType $ Out.NonNullInterfaceType petType) mempty
petsResolver = ValueResolver petsField $ pure $ List []
{-
catCommandType :: EnumType
catCommandType = EnumType "CatCommand" Nothing $ HashMap.fromList
[ ("JUMP", EnumValue Nothing)
]
catType :: ObjectType IO
catType = ObjectType "Cat" Nothing [petType] $ HashMap.fromList
[ ("name", nameResolver)
, ("nickname", nicknameResolver)
, ("doesKnowCommand", doesKnowCommandResolver)
, ("meowVolume", meowVolumeResolver)
]
where
nameField = Field Nothing (Out.NonNullScalarType string) mempty
nameResolver = ValueResolver nameField $ pure "Name"
nicknameField = Field Nothing (Out.NamedScalarType string) mempty
nicknameResolver = ValueResolver nicknameField $ pure "Nickname"
doesKnowCommandField = Field Nothing (Out.NonNullScalarType boolean)
$ HashMap.singleton "catCommand"
$ In.Argument Nothing (In.NonNullEnumType catCommandType) Nothing
doesKnowCommandResolver = ValueResolver doesKnowCommandField
$ pure $ Boolean True
meowVolumeField = Field Nothing (Out.NamedScalarType int) mempty
meowVolumeResolver = ValueResolver meowVolumeField $ pure $ Int 2
catOrDogType :: UnionType IO
catOrDogType = UnionType "CatOrDog" Nothing [catType, dogType]
dogOrHumanType :: UnionType IO
dogOrHumanType = UnionType "DogOrHuman" Nothing [dogType, humanType]
humanOrAlienType :: UnionType IO
humanOrAlienType = UnionType "HumanOrAlien" Nothing [humanType, alienType]
-}
validate :: Text -> Seq Error
validate queryString =
case parse AST.document "" queryString of
Left _ -> Seq.empty
Right ast -> document schema specifiedRules ast
spec :: Spec
spec =
describe "document" $ do
it "rejects type definitions" $
let queryString = [r|
query getDogName {
dog {
name
color
}
}
extend type Dog {
color: String
}
|]
expected = Error
{ message =
"Definition must be OperationDefinition or FragmentDefinition."
, locations = [AST.Location 9 15]
, path = []
}
in validate queryString `shouldBe` Seq.singleton expected
it "rejects multiple subscription root fields" $
let queryString = [r|
subscription sub {
newMessage {
body
sender
}
disallowedSecondRootField
}
|]
expected = Error
{ message =
"Subscription sub must select only one top level field."
, locations = [AST.Location 2 15]
, path = []
}
in validate queryString `shouldBe` Seq.singleton expected
it "rejects multiple subscription root fields coming from a fragment" $
let queryString = [r|
subscription sub {
...multipleSubscriptions
}
fragment multipleSubscriptions on Subscription {
newMessage {
body
sender
}
disallowedSecondRootField
}
|]
expected = Error
{ message =
"Subscription sub must select only one top level field."
, locations = [AST.Location 2 15]
, path = []
}
in validate queryString `shouldBe` Seq.singleton expected
|
