forked from OSS/graphql-spice
90 lines
3.0 KiB
Haskell
90 lines
3.0 KiB
Haskell
{- This Source Code Form is subject to the terms of the Mozilla Public License,
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v. 2.0. If a copy of the MPL was not distributed with this file, You can
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obtain one at https://mozilla.org/MPL/2.0/. -}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE TemplateHaskell #-}
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module Language.GraphQL.ClassSpec
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( spec
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) where
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import Data.Text (Text)
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import Data.Time (UTCTime(..))
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import Data.Time.Calendar.OrdinalDate (fromOrdinalDate)
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import qualified Language.GraphQL.Type as Type
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import Language.GraphQL.Class (FromGraphQL(..), ToGraphQL(..), deriveToGraphQL)
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import Test.Hspec (Spec, describe, it, shouldBe)
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import qualified Data.HashMap.Strict as HashMap
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data TwoFieldRecord = TwoFieldRecord
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{ x :: Int
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, y :: Bool
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}
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$(deriveToGraphQL ''TwoFieldRecord)
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spec :: Spec
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spec = do
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describe "ToGraphQL" $ do
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it "converts integers" $
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toGraphQL (5 :: Int) `shouldBe` Type.Int 5
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it "converts text" $
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toGraphQL ("String" :: Text) `shouldBe` Type.String "String"
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it "converts booleans" $
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toGraphQL True `shouldBe` Type.Boolean True
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it "converts Nothing to Null" $
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toGraphQL (Nothing :: Maybe Int) `shouldBe` Type.Null
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it "converts singleton lists" $
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toGraphQL [True] `shouldBe` Type.List [Type.Boolean True]
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it "converts UTCTime" $
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let given = UTCTime
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{ utctDay = fromOrdinalDate 2023 5
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, utctDayTime = 90
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}
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actual = toGraphQL given
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expected = Type.String "2023-01-05T00:01:30Z"
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in actual `shouldBe` expected
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describe "FromGraphQL" $ do
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it "converts integers" $
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fromGraphQL (Type.Int 5) `shouldBe` Just (5 :: Int)
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it "converts text" $
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fromGraphQL (Type.String "String") `shouldBe` Just ("String" :: Text)
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it "converts booleans" $
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fromGraphQL (Type.Boolean True) `shouldBe` Just True
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it "converts Null to Nothing" $
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fromGraphQL Type.Null `shouldBe` Just (Nothing :: Maybe Int)
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it "converts singleton lists" $
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fromGraphQL (Type.List [Type.Boolean True]) `shouldBe` Just [True]
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it "converts UTCTime" $
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let given = Type.String "2023-01-05T00:01:30Z"
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expected = Just $ UTCTime
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{ utctDay = fromOrdinalDate 2023 5
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, utctDayTime = 90
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}
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actual = fromGraphQL given
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in actual `shouldBe` expected
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describe "deriveToGraphQL" $ do
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it "derives ToGraphQL for a record" $ do
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let expected = Type.Object $ HashMap.fromList
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[ ("x", Type.Int 1)
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, ("y", Type.Boolean True)
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, ("__typename", Type.String "TwoFieldRecord")
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]
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given = TwoFieldRecord
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{ x = 1
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, y = True
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}
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in toGraphQL given `shouldBe` expected
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