graphql-spice/tests/Language/GraphQL/DirectiveSpec.hs

93 lines
2.9 KiB
Haskell

{- 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.DirectiveSpec
( spec
) where
import Data.Aeson (object, (.=))
import qualified Data.Aeson as Aeson
import qualified Data.HashMap.Strict as HashMap
import Language.GraphQL
import Language.GraphQL.TH
import Language.GraphQL.Type
import qualified Language.GraphQL.Type.Out as Out
import Test.Hspec (Spec, describe, it)
import Test.Hspec.GraphQL
experimentalResolver :: Schema IO
experimentalResolver = schema queryType Nothing Nothing mempty
where
queryType = Out.ObjectType "Query" Nothing []
$ HashMap.singleton "experimentalField"
$ Out.ValueResolver (Out.Field Nothing (Out.NamedScalarType int) mempty)
$ pure $ Int 5
emptyObject :: Aeson.Object
emptyObject = HashMap.singleton "data" $ object []
spec :: Spec
spec =
describe "Directive executor" $ do
it "should be able to @skip fields" $ do
let sourceQuery = [gql|
{
experimentalField @skip(if: true)
}
|]
actual <- graphql experimentalResolver sourceQuery
actual `shouldResolveTo` emptyObject
it "should not skip fields if @skip is false" $ do
let sourceQuery = [gql|
{
experimentalField @skip(if: false)
}
|]
expected = HashMap.singleton "data"
$ object
[ "experimentalField" .= (5 :: Int)
]
actual <- graphql experimentalResolver sourceQuery
actual `shouldResolveTo` expected
it "should skip fields if @include is false" $ do
let sourceQuery = [gql|
{
experimentalField @include(if: false)
}
|]
actual <- graphql experimentalResolver sourceQuery
actual `shouldResolveTo` emptyObject
it "should be able to @skip a fragment spread" $ do
let sourceQuery = [gql|
{
...experimentalFragment @skip(if: true)
}
fragment experimentalFragment on Query {
experimentalField
}
|]
actual <- graphql experimentalResolver sourceQuery
actual `shouldResolveTo` emptyObject
it "should be able to @skip an inline fragment" $ do
let sourceQuery = [gql|
{
... on Query @skip(if: true) {
experimentalField
}
}
|]
actual <- graphql experimentalResolver sourceQuery
actual `shouldResolveTo` emptyObject