graphql/tests/Test/DirectiveSpec.hs

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