content: -- This file is part of the Wire Server implementation.
  --
  -- Copyright (C) 2022 Wire Swiss GmbH <opensource@wire.com>
  --
  -- This program is free software: you can redistribute it and/or modify it under
  -- the terms of the GNU Affero General Public License as published by the Free
  -- Software Foundation, either version 3 of the License, or (at your option) any
  -- later version.
  --
  -- This program is distributed in the hope that it will be useful, but WITHOUT
  -- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  -- FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
  -- details.
  --
  -- You should have received a copy of the GNU Affero General Public License along
  -- with this program. If not, see <https://www.gnu.org/licenses/>.
  
  module Test.Brig.Roundtrip where
  
  import Data.Aeson (FromJSON, ToJSON, parseJSON, toJSON)
  import Data.Aeson.Types (parseEither)
  import Data.OpenApi (ToSchema, validatePrettyToJSON)
  import Imports
  import Test.Tasty (TestTree)
  import Test.Tasty.QuickCheck (Arbitrary, counterexample, testProperty, (.&&.), (===))
  import Type.Reflection (typeRep)
  
  -- FUTUREWORK: make this an alias for 'testRoundTripWithSwagger' (or just remove the latter).
  testRoundTrip ::
    forall a.
    (Arbitrary a, Typeable a, ToJSON a, FromJSON a, Eq a, Show a) =>
    TestTree
  testRoundTrip = testProperty msg trip
    where
      msg = show (typeRep @a)
      trip (v :: a) =
        counterexample (show $ toJSON v) $
          Right v === (parseEither parseJSON . toJSON) v
  
  testRoundTripWithSwagger ::
    forall a.
    (Arbitrary a, ToJSON a, FromJSON a, ToSchema a, Eq a, Show a) =>
    TestTree
  testRoundTripWithSwagger = testProperty msg (trip .&&. scm)
    where
      msg = show (typeRep @a)
  
      trip (v :: a) =
        counterexample (show $ toJSON v) $
          Right v === (parseEither parseJSON . toJSON) v
  
      scm (v :: a) =
        counterexample
          ( fromMaybe "Schema validation failed, but there were no errors. This looks like a bug in swagger2!" $
              validatePrettyToJSON v
          )
          $ isNothing (validatePrettyToJSON v)
  