62 lines
1.7 KiB
Haskell
62 lines
1.7 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE QuasiQuotes #-}
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module Test.FragmentSpec
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( spec
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) where
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import Data.Aeson (object, (.=))
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import Data.List.NonEmpty (NonEmpty(..))
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import Data.Text (Text)
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import Language.GraphQL
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import qualified Language.GraphQL.Schema as Schema
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import Test.Hspec (Spec, describe, it, shouldBe)
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import Text.RawString.QQ (r)
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size :: Schema.Resolver IO
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size = Schema.scalar "size" $ return ("L" :: Text)
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circumference :: Schema.Resolver IO
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circumference = Schema.scalar "circumference" $ return (60 :: Int)
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garment :: Text -> Schema.Resolver IO
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garment typeName = Schema.object "garment" $ return
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[ if typeName == "Hat" then circumference else size
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, Schema.scalar "__typename" $ return typeName
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]
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inlineQuery :: Text
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inlineQuery = [r|{
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garment {
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... on Hat {
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circumference
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}
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... on Shirt {
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size
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}
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}
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}|]
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spec :: Spec
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spec = describe "Inline fragment executor" $ do
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it "chooses the first selection if the type matches" $ do
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actual <- graphql (garment "Hat" :| []) inlineQuery
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let expected = object
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[ "data" .= object
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[ "garment" .= object
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[ "circumference" .= (60 :: Int)
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]
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]
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]
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in actual `shouldBe` expected
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it "chooses the last selection if the type matches" $ do
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actual <- graphql (garment "Shirt" :| []) inlineQuery
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let expected = object
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[ "data" .= object
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[ "garment" .= object
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[ "size" .= ("L" :: Text)
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]
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]
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]
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in actual `shouldBe` expected
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