graphql/tests/Test/DirectiveSpec.hs
2020-05-24 13:51:00 +02:00

92 lines
2.7 KiB
Haskell

{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
module Test.DirectiveSpec
( spec
) where
import Data.Aeson (Value(..), object, (.=))
import qualified Data.HashMap.Strict as HashMap
import Language.GraphQL
import Language.GraphQL.Type.Definition
import qualified Language.GraphQL.Type.Out as Out
import Language.GraphQL.Type.Schema (Schema(..))
import Test.Hspec (Spec, describe, it, shouldBe)
import Text.RawString.QQ (r)
experimentalResolver :: Schema IO
experimentalResolver = Schema { query = queryType, mutation = Nothing }
where
resolver = pure $ Out.Int 5
queryType = ObjectType "Query" Nothing
$ HashMap.singleton "experimentalField"
$ Field Nothing (ScalarOutputType int) mempty resolver
emptyObject :: Value
emptyObject = object
[ "data" .= object []
]
spec :: Spec
spec =
describe "Directive executor" $ do
it "should be able to @skip fields" $ do
let sourceQuery = [r|
{
experimentalField @skip(if: true)
}
|]
actual <- graphql experimentalResolver sourceQuery
actual `shouldBe` emptyObject
it "should not skip fields if @skip is false" $ do
let sourceQuery = [r|
{
experimentalField @skip(if: false)
}
|]
expected = object
[ "data" .= object
[ "experimentalField" .= (5 :: Int)
]
]
actual <- graphql experimentalResolver sourceQuery
actual `shouldBe` expected
it "should skip fields if @include is false" $ do
let sourceQuery = [r|
{
experimentalField @include(if: false)
}
|]
actual <- graphql experimentalResolver sourceQuery
actual `shouldBe` emptyObject
it "should be able to @skip a fragment spread" $ do
let sourceQuery = [r|
{
...experimentalFragment @skip(if: true)
}
fragment experimentalFragment on ExperimentalType {
experimentalField
}
|]
actual <- graphql experimentalResolver sourceQuery
actual `shouldBe` emptyObject
it "should be able to @skip an inline fragment" $ do
let sourceQuery = [r|
{
... on ExperimentalType @skip(if: true) {
experimentalField
}
}
|]
actual <- graphql experimentalResolver sourceQuery
actual `shouldBe` emptyObject