forked from OSS/graphql
53 lines
2.0 KiB
Haskell
53 lines
2.0 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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module Language.GraphQL.Execute.CoerceSpec
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( spec
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) where
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import qualified Data.HashMap.Strict as HashMap
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import Data.Maybe (isNothing)
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import qualified Language.GraphQL.Execute.Coerce as Coerce
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import Language.GraphQL.Type
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import qualified Language.GraphQL.Type.In as In
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import Prelude hiding (id)
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import Test.Hspec (Spec, describe, it, shouldBe, shouldSatisfy)
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direction :: EnumType
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direction = EnumType "Direction" Nothing $ HashMap.fromList
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[ ("NORTH", EnumValue Nothing)
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, ("EAST", EnumValue Nothing)
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, ("SOUTH", EnumValue Nothing)
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, ("WEST", EnumValue Nothing)
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]
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namedIdType :: In.Type
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namedIdType = In.NamedScalarType id
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spec :: Spec
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spec =
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describe "coerceInputLiteral" $ do
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it "coerces enums" $
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let expected = Just (Enum "NORTH")
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actual = Coerce.coerceInputLiteral
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(In.NamedEnumType direction) (Enum "NORTH")
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in actual `shouldBe` expected
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it "fails with non-existing enum value" $
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let actual = Coerce.coerceInputLiteral
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(In.NamedEnumType direction) (Enum "NORTH_EAST")
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in actual `shouldSatisfy` isNothing
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it "coerces integers to IDs" $
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let expected = Just (String "1234")
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actual = Coerce.coerceInputLiteral namedIdType (Int 1234)
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in actual `shouldBe` expected
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it "coerces nulls" $ do
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let actual = Coerce.coerceInputLiteral namedIdType Null
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in actual `shouldBe` Just Null
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it "wraps singleton lists" $ do
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let expected = Just $ List [List [String "1"]]
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embeddedType = In.ListType $ In.ListType namedIdType
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actual = Coerce.coerceInputLiteral embeddedType (String "1")
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in actual `shouldBe` expected
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