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{-# LANGUAGE EmptyDataDecls #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE GADTs, DataKinds, FlexibleInstances #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE UndecidableInstances #-}
{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE StandaloneDeriving #-}
{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE TypeOperators #-}
module PgIntervalTest where
import PgInit
import Data.Time.Clock (NominalDiffTime)
import Database.Persist.Postgresql (PgInterval(..))
import Test.Hspec.QuickCheck
share [mkPersist sqlSettings, mkMigrate "pgIntervalMigrate"] [persistLowerCase|
PgIntervalDb
interval_field PgInterval
deriving Eq
deriving Show
|]
-- Postgres Interval has a 1 microsecond resolution, while NominalDiffTime has
-- picosecond resolution. Round to the nearest microsecond so that we can be
-- fine in the tests.
truncate' :: NominalDiffTime -> NominalDiffTime
truncate' x = (fromIntegral (round (x * 10^6))) / 10^6
specs :: Spec
specs = do
describe "Postgres Interval Property tests" $ do
prop "Round trips" $ \time -> runConnAssert $ do
let eg = PgIntervalDb $ PgInterval (truncate' time)
rid <- insert eg
r <- getJust rid
liftIO $ r `shouldBe` eg
|
