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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.RootOperationSpec
( spec
) where
import Data.Aeson ((.=), object)
import qualified Data.HashMap.Strict as HashMap
import Language.GraphQL
import Test.Hspec (Spec, describe, it)
import Language.GraphQL.TH
import Language.GraphQL.Type
import qualified Language.GraphQL.Type.Out as Out
import Test.Hspec.GraphQL
hatType :: Out.ObjectType IO
hatType = Out.ObjectType "Hat" Nothing []
$ HashMap.singleton "circumference"
$ ValueResolver (Out.Field Nothing (Out.NamedScalarType int) mempty)
$ pure $ Int 60
garmentSchema :: Schema IO
garmentSchema = schema queryType (Just mutationType) Nothing mempty
where
queryType = Out.ObjectType "Query" Nothing [] hatFieldResolver
mutationType = Out.ObjectType "Mutation" Nothing [] incrementFieldResolver
garment = pure $ Object $ HashMap.fromList
[ ("circumference", Int 60)
]
incrementFieldResolver = HashMap.singleton "incrementCircumference"
$ ValueResolver (Out.Field Nothing (Out.NamedScalarType int) mempty)
$ pure $ Int 61
hatField = Out.Field Nothing (Out.NamedObjectType hatType) mempty
hatFieldResolver =
HashMap.singleton "garment" $ ValueResolver hatField garment
spec :: Spec
spec =
describe "Root operation type" $ do
it "returns objects from the root resolvers" $ do
let querySource = [gql|
{
garment {
circumference
}
}
|]
expected = HashMap.singleton "data"
$ object
[ "garment" .= object
[ "circumference" .= (60 :: Int)
]
]
actual <- graphql garmentSchema querySource
actual `shouldResolveTo` expected
it "chooses Mutation" $ do
let querySource = [gql|
mutation {
incrementCircumference
}
|]
expected = HashMap.singleton "data"
$ object
[ "incrementCircumference" .= (61 :: Int)
]
actual <- graphql garmentSchema querySource
actual `shouldResolveTo` expected
|
