hasql/testing-kit/Hasql/TestingKit/TestingDsl.hs

58 lines
1.6 KiB
Haskell

module Hasql.TestingKit.TestingDsl
( -- * Errors
Error (..),
Session.SessionError (..),
Session.CommandError (..),
Session.ResultError (..),
Session.RowError (..),
-- * Abstractions
Session.Session,
Pipeline.Pipeline,
Statement.Statement (..),
-- * Execution
runSessionOnLocalDb,
runPipelineOnLocalDb,
runStatementInSession,
runPipelineInSession,
)
where
import Hasql.Connection qualified as Connection
import Hasql.Pipeline qualified as Pipeline
import Hasql.Session qualified as Session
import Hasql.Statement qualified as Statement
import Hasql.TestingKit.Constants qualified as Constants
import Prelude
data Error
= ConnectionError (Connection.ConnectionError)
| SessionError (Session.SessionError)
deriving (Show, Eq)
runSessionOnLocalDb :: Session.Session a -> IO (Either Error a)
runSessionOnLocalDb session =
runExceptT $ acquire >>= \connection -> use connection <* release connection
where
acquire =
ExceptT $ fmap (first ConnectionError) $ Connection.acquire Constants.localConnectionSettings
use connection =
ExceptT
$ fmap (first SessionError)
$ Session.run session connection
release connection =
lift $ Connection.release connection
runPipelineOnLocalDb :: Pipeline.Pipeline a -> IO (Either Error a)
runPipelineOnLocalDb =
runSessionOnLocalDb . Session.pipeline
runStatementInSession :: Statement.Statement a b -> a -> Session.Session b
runStatementInSession statement params =
Session.statement params statement
runPipelineInSession :: Pipeline.Pipeline a -> Session.Session a
runPipelineInSession =
Session.pipeline