-- | Coverage for 'Pqi.clientEncoding': reporting the current client
-- encoding, which tracks 'Pqi.setClientEncoding' and governs how result
-- cells are re-encoded.
module Pqi.Conformance.Operation.ClientEncoding
  ( spec,
  )
where

import qualified Pqi
import Pqi.Conformance.Harness
import Pqi.Conformance.Prelude
import Pqi.Conformance.Scenario (execScenario)
import Test.Hspec

spec :: Pqi.Adapter -> SpecWith ByteString
spec :: Adapter -> SpecWith ByteString
spec Adapter
adapter =
  String -> SpecWith ByteString -> SpecWith ByteString
forall a. HasCallStack => String -> SpecWith a -> SpecWith a
describe String
"clientEncoding" do
    String
-> (ByteString -> IO ()) -> SpecWith (Arg (ByteString -> IO ()))
forall a.
(HasCallStack, Example a) =>
String -> a -> SpecWith (Arg a)
it String
"round-trips and governs result re-encoding" \ByteString
conninfo ->
      Adapter
-> ByteString
-> (Connection
    -> IO
         (ByteString, Bool, ByteString, Maybe ByteString,
          Maybe ResultObservation, Bool, Maybe ResultObservation))
-> IO ()
forall a.
(Eq a, Show a, HasCallStack) =>
Adapter -> ByteString -> (Connection -> IO a) -> IO ()
differential Adapter
adapter ByteString
conninfo \Connection
connection -> do
        initial <- Connection -> IO ByteString
Pqi.clientEncoding Connection
connection
        setOk <- Pqi.setClientEncoding connection "LATIN1"
        switched <- Pqi.clientEncoding connection
        reported <- Pqi.parameterStatus connection "client_encoding"
        latinCell <- execScenario "select chr(233) as e" connection
        restoreOk <- Pqi.setClientEncoding connection "UTF8"
        utfCell <- execScenario "select chr(233) as e" connection
        pure (initial, setOk, switched, reported, latinCell, restoreOk, utfCell)