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47 lines
1.5 KiB
Haskell
47 lines
1.5 KiB
Haskell
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{-# OPTIONS_GHC -fno-warn-orphans #-}
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-- | Tests for EncJSON decoding
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module Hasura.EncJSONSpec (spec) where
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import Data.ByteString qualified as BS
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import Data.Text qualified as T
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import Database.PG.Query qualified as PG
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import Hasura.EncJSON
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import Hasura.Prelude
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import Test.Hspec
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spec :: Spec
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spec = do
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decodeJsonbSpec
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jsonString :: BS.ByteString
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jsonString = "{\"label\":true,\"another_label\":1234,\"array\":[123,123,123]}"
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decodeJsonbSpec :: Spec
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decodeJsonbSpec = do
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describe "jsonb" $ do
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it "reads a regular JSON value that does not contain a SOH header" $ do
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let input = jsonString
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encoded = either (error . T.unpack) id $ PG.fromCol @EncJSON (Just input)
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bytes = encJToBS encoded
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-- result is same as input
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BS.length bytes `shouldBe` BS.length jsonString
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-- decoding again gives the same result
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encJToBS <$> PG.fromCol @EncJSON (Just bytes) `shouldBe` Right bytes
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it "reads a JSONB value containing a SOH header" $ do
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let input = BS.cons 1 jsonString
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encoded = either (error . T.unpack) id $ PG.fromCol @EncJSON (Just input)
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bytes = encJToBS encoded
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-- result is same as input
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BS.length bytes `shouldBe` BS.length jsonString
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-- decoding again gives the same result
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encJToBS <$> PG.fromCol @EncJSON (Just bytes) `shouldBe` Right bytes
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it "returns null when passed Nothing" $ do
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encJToBS <$> PG.fromCol @EncJSON Nothing `shouldBe` Right "null"
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